| 1 | <?xml version="1.0" encoding="ISO-8859-1"?> |
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| 2 | <chapter id="messages"> |
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| 3 | <title> |
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| 4 | Messages |
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| 5 | </title> |
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| 6 | <para> |
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| 7 | Some of the more common messages and codes passed by CLP are listed in the |
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| 8 | tables below. This is list is not meant to exhaustive. The notation is as |
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| 9 | for printf from "C": |
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| 10 | </para> |
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| 11 | <itemizedlist> |
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| 12 | <listitem> |
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| 13 | <simpara> |
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| 14 | <computeroutput>%s</computeroutput> is a string |
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| 15 | </simpara> |
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| 16 | </listitem> |
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| 17 | <listitem> |
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| 18 | <simpara> |
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| 19 | <computeroutput>%d</computeroutput> is an integer |
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| 20 | </simpara> |
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| 21 | </listitem> |
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| 22 | <listitem> |
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| 23 | <simpara> |
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| 24 | <computeroutput>%g</computeroutput> or <computeroutput>%f</computeroutput> |
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| 25 | is a floating point value |
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| 26 | </simpara> |
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| 27 | </listitem> |
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| 28 | </itemizedlist> |
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| 29 | |
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| 30 | <table frame="none" align="left"> |
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| 31 | <title> |
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| 32 | COIN Messages passed at or above logging level 1 |
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| 33 | </title> |
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| 34 | <tgroup cols="4" colsep="1" rowsep="1"> |
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| 35 | <colspec colname="c1"/> |
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| 36 | <colspec colname="c2"/> |
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| 37 | <colspec colname="c3"/> |
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| 38 | <colspec colname="c4"/> |
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| 39 | <thead> |
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| 40 | <row> |
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| 41 | <entry align="center"> |
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| 42 | Code |
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| 43 | </entry> |
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| 44 | <entry align="center"> |
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| 45 | Area |
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| 46 | </entry> |
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| 47 | <entry> |
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| 48 | </entry> |
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| 49 | <entry align="left"> |
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| 50 | Text and notes |
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| 51 | </entry> |
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| 52 | </row> |
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| 53 | </thead> |
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| 54 | <tbody> |
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| 55 | <row> |
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| 56 | <entry align="left"> |
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| 57 | 1 |
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| 58 | </entry> |
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| 59 | <entry align="center"> |
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| 60 | MPSREAD |
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| 61 | </entry> |
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| 62 | <entry> |
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| 63 | </entry> |
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| 64 | <entry align="left"> |
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| 65 | <computeroutput>At line %d %s</computeroutput> |
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| 66 | </entry> |
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| 67 | </row> |
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| 68 | <row> |
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| 69 | <entry namest="c1" nameend="c3"> |
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| 70 | </entry> |
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| 71 | <entry align="left"> |
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| 72 | <simpara> |
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| 73 | This just prints out NAME line, ROW line, etc |
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| 74 | </simpara> |
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| 75 | </entry> |
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| 76 | </row> |
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| 77 | <row> |
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| 78 | <entry align="left"> |
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| 79 | 2 |
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| 80 | </entry> |
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| 81 | <entry align="center"> |
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| 82 | MPSREAD |
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| 83 | </entry> |
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| 84 | <entry> |
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| 85 | </entry> |
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| 86 | <entry align="left"> |
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| 87 | <computeroutput>Problem %s has %d rows, %d columns and %d elements |
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| 88 | </computeroutput> |
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| 89 | </entry> |
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| 90 | </row> |
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| 91 | <row> |
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| 92 | <entry namest="c1" nameend="c3"> |
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| 93 | </entry> |
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| 94 | <entry align="left"> |
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| 95 | <simpara> |
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| 96 | This gives statistics after reading an MPS file |
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| 97 | </simpara> |
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| 98 | </entry> |
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| 99 | </row> |
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| 100 | <row> |
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| 101 | <entry align="left"> |
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| 102 | 8 |
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| 103 | </entry> |
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| 104 | <entry align="center"> |
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| 105 | MPSREAD |
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| 106 | </entry> |
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| 107 | <entry> |
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| 108 | </entry> |
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| 109 | <entry align="left"> |
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| 110 | <computeroutput>%s read with %d errors |
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| 111 | </computeroutput> |
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| 112 | </entry> |
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| 113 | </row> |
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| 114 | <row> |
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| 115 | <entry namest="c1" nameend="c3"> |
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| 116 | </entry> |
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| 117 | <entry align="left"> |
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| 118 | <simpara> |
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| 119 | This gives error statistics for file |
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| 120 | </simpara> |
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| 121 | </entry> |
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| 122 | </row> |
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| 123 | <row> |
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| 124 | <entry align="left"> |
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| 125 | 505 |
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| 126 | </entry> |
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| 127 | <entry align="center"> |
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| 128 | PRESOLVE |
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| 129 | </entry> |
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| 130 | <entry> |
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| 131 | </entry> |
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| 132 | <entry align="left"> |
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| 133 | <computeroutput> |
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| 134 | Presolved poblem not optimal, resolve after postsolve |
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| 135 | </computeroutput> |
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| 136 | </entry> |
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| 137 | </row> |
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| 138 | <row> |
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| 139 | <entry namest="c1" nameend="c3"> |
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| 140 | </entry> |
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| 141 | <entry align="left"> |
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| 142 | <simpara> |
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| 143 | This could be because it was not feasible or because of maximum |
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| 144 | iterations. If this message occurs then consider using primal clean up |
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| 145 | </simpara> |
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| 146 | </entry> |
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| 147 | </row> |
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| 148 | <row> |
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| 149 | <entry align="left"> |
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| 150 | 506 |
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| 151 | </entry> |
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| 152 | <entry align="center"> |
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| 153 | PRESOLVE |
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| 154 | </entry> |
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| 155 | <entry> |
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| 156 | </entry> |
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| 157 | <entry align="left"> |
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| 158 | <computeroutput> |
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| 159 | Presolve %d (%d) rows, %d (%d) columns and %d (%d) elements |
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| 160 | </computeroutput> |
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| 161 | </entry> |
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| 162 | </row> |
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| 163 | <row> |
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| 164 | <entry namest="c1" nameend="c3"> |
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| 165 | </entry> |
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| 166 | <entry align="left"> |
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| 167 | <simpara> |
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| 168 | The first number is the number after presolve and the number |
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| 169 | in parentheses is amount of reduction |
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| 170 | </simpara> |
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| 171 | </entry> |
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| 172 | </row> |
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| 173 | <row> |
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| 174 | <entry align="left"> |
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| 175 | 510 |
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| 176 | </entry> |
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| 177 | <entry align="center"> |
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| 178 | PRESOLVE |
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| 179 | </entry> |
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| 180 | <entry> |
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| 181 | </entry> |
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| 182 | <entry align="left"> |
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| 183 | <computeroutput> |
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| 184 | Presolve is modifying %d integer bounds and re-presolving |
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| 185 | </computeroutput> |
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| 186 | </entry> |
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| 187 | </row> |
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| 188 | <row> |
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| 189 | <entry namest="c1" nameend="c3"> |
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| 190 | </entry> |
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| 191 | <entry align="left"> |
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| 192 | <simpara> |
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| 193 | If presolve determines at the end that an integer variable have its bounds |
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| 194 | changed then it will repeat the entrire presolve |
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| 195 | </simpara> |
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| 196 | </entry> |
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| 197 | </row> |
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| 198 | <row> |
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| 199 | <entry align="left"> |
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| 200 | 511 |
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| 201 | </entry> |
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| 202 | <entry align="center"> |
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| 203 | PRESOLVE |
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| 204 | </entry> |
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| 205 | <entry> |
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| 206 | </entry> |
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| 207 | <entry align="left"> |
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| 208 | <computeroutput> |
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| 209 | After Postsolve, objective %g, infeasibilities - dual %g (%d), |
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| 210 | primal %g (%d) |
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| 211 | </computeroutput> |
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| 212 | </entry> |
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| 213 | </row> |
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| 214 | <row> |
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| 215 | <entry namest="c1" nameend="c3"> |
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| 216 | </entry> |
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| 217 | <entry align="left"> |
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| 218 | <simpara> |
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| 219 | This gives the state after postsolve - this gives the objective value |
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| 220 | and the sum of dual and primal infeasibilities with the number of |
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| 221 | infeasibilities in parentheses. Hopefully these should be zero |
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| 222 | </simpara> |
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| 223 | </entry> |
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| 224 | </row> |
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| 225 | <row> |
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| 226 | <entry align="left"> |
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| 227 | 512 |
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| 228 | </entry> |
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| 229 | <entry align="center"> |
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| 230 | PRESOLVE |
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| 231 | </entry> |
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| 232 | <entry> |
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| 233 | </entry> |
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| 234 | <entry align="left"> |
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| 235 | <computeroutput> |
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| 236 | Presolved model was optimal, full model needs cleaning up |
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| 237 | </computeroutput> |
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| 238 | </entry> |
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| 239 | </row> |
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| 240 | <row> |
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| 241 | <entry namest="c1" nameend="c3"> |
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| 242 | </entry> |
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| 243 | <entry align="left"> |
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| 244 | <simpara> |
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| 245 | If the numbers in previous message (511) were large then maybe we need to |
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| 246 | know, if small then that's life |
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| 247 | </simpara> |
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| 248 | </entry> |
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| 249 | </row> |
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| 250 | </tbody> |
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| 251 | </tgroup> |
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| 252 | </table> |
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| 253 | |
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| 254 | <table frame="none" align="left"> |
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| 255 | <title> |
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| 256 | CLP Messages passed at or above logging level 1 |
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| 257 | </title> |
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| 258 | <tgroup cols="4" colsep="1" rowsep="1"> |
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| 259 | <colspec colname="c1"/> |
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| 260 | <colspec colname="c2"/> |
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| 261 | <colspec colname="c3"/> |
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| 262 | <colspec colname="c4"/> |
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| 263 | <thead> |
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| 264 | <row> |
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| 265 | <entry align="center"> |
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| 266 | Code |
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| 267 | </entry> |
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| 268 | <entry align="center"> |
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| 269 | Area |
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| 270 | </entry> |
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| 271 | <entry> |
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| 272 | </entry> |
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| 273 | <entry align="left"> |
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| 274 | Text and notes |
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| 275 | </entry> |
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| 276 | </row> |
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| 277 | </thead> |
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| 278 | <tbody> |
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| 279 | <row> |
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| 280 | <row> |
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| 281 | <entry align="left"> |
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| 282 | 0 |
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| 283 | </entry> |
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| 284 | <entry align="center"> |
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| 285 | SIMPLEX |
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| 286 | </entry> |
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| 287 | <entry> |
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| 288 | </entry> |
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| 289 | <entry align="left"> |
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| 290 | <computeroutput> |
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| 291 | Optimal - objective value %g |
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| 292 | </computeroutput> |
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| 293 | </entry> |
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| 294 | </row> |
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| 295 | <row> |
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| 296 | <entry namest="c1" nameend="c3"> |
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| 297 | </entry> |
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| 298 | <entry align="left"> |
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| 299 | <simpara> |
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| 300 | The only message you want to see |
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| 301 | </simpara> |
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| 302 | </entry> |
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| 303 | </row> |
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| 304 | <entry align="left"> |
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| 305 | 1 |
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| 306 | </entry> |
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| 307 | <entry align="center"> |
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| 308 | SIMPLEX |
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| 309 | </entry> |
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| 310 | <entry> |
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| 311 | </entry> |
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| 312 | <entry align="left"> |
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| 313 | <computeroutput> |
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| 314 | Primal infeasible - objective value %g |
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| 315 | </computeroutput> |
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| 316 | </entry> |
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| 317 | </row> |
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| 318 | <row> |
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| 319 | <entry namest="c1" nameend="c3"> |
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| 320 | </entry> |
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| 321 | <entry align="left"> |
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| 322 | <simpara> |
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| 323 | You may need to look at previous messages or use methods. Such as |
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| 324 | sumPrimalInfeasibilities() to find cause |
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| 325 | </simpara> |
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| 326 | </entry> |
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| 327 | </row> |
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| 328 | <row> |
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| 329 | <entry align="left"> |
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| 330 | 2 |
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| 331 | </entry> |
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| 332 | <entry align="center"> |
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| 333 | SIMPLEX |
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| 334 | </entry> |
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| 335 | <entry> |
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| 336 | </entry> |
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| 337 | <entry align="left"> |
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| 338 | <computeroutput> |
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| 339 | Dual infeasible - objective value %g |
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| 340 | </computeroutput> |
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| 341 | </entry> |
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| 342 | </row> |
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| 343 | <row> |
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| 344 | <entry namest="c1" nameend="c3"> |
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| 345 | </entry> |
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| 346 | <entry align="left"> |
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| 347 | <simpara> |
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| 348 | You may need to look at previous messages or use methods. Such as |
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| 349 | sumDualInfeasibilities() to find cause |
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| 350 | </simpara> |
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| 351 | </entry> |
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| 352 | </row> |
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| 353 | <row> |
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| 354 | <entry align="left"> |
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| 355 | 3 |
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| 356 | </entry> |
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| 357 | <entry align="center"> |
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| 358 | SIMPLEX |
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| 359 | </entry> |
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| 360 | <entry> |
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| 361 | </entry> |
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| 362 | <entry align="left"> |
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| 363 | <computeroutput> |
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| 364 | Stopped - objective value %g |
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| 365 | </computeroutput> |
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| 366 | </entry> |
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| 367 | </row> |
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| 368 | <row> |
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| 369 | <entry namest="c1" nameend="c3"> |
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| 370 | </entry> |
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| 371 | <entry align="left"> |
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| 372 | <simpara> |
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| 373 | The algorithm stopped as requested by the user. |
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| 374 | </simpara> |
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| 375 | </entry> |
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| 376 | </row> |
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| 377 | <row> |
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| 378 | <entry align="left"> |
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| 379 | 4 |
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| 380 | </entry> |
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| 381 | <entry align="center"> |
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| 382 | SIMPLEX |
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| 383 | </entry> |
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| 384 | <entry> |
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| 385 | </entry> |
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| 386 | <entry align="left"> |
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| 387 | <computeroutput> |
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| 388 | Stopped due to errors - objective value %g |
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| 389 | </computeroutput> |
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| 390 | </entry> |
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| 391 | </row> |
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| 392 | <row> |
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| 393 | <entry namest="c1" nameend="c3"> |
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| 394 | </entry> |
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| 395 | <entry align="left"> |
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| 396 | <simpara> |
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| 397 | Switch on log level 2 to see information on size of elements etc. If they |
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| 398 | look reasonable then maybe we need to know. |
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| 399 | </simpara> |
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| 400 | </entry> |
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| 401 | </row> |
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| 402 | <row> |
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| 403 | <entry align="left"> |
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| 404 | 5 |
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| 405 | </entry> |
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| 406 | <entry align="center"> |
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| 407 | SIMPLEX |
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| 408 | </entry> |
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| 409 | <entry> |
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| 410 | </entry> |
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| 411 | <entry align="left"> |
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| 412 | <computeroutput> |
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| 413 | %d Obj %g Primal inf %g (%d) Dual inf %g (%d) |
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| 414 | </computeroutput> |
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| 415 | </entry> |
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| 416 | </row> |
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| 417 | <row> |
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| 418 | <entry namest="c1" nameend="c3"> |
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| 419 | </entry> |
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| 420 | <entry align="left"> |
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| 421 | <simpara> |
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| 422 | At each re-factorization this gives the number of iterations and the value |
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| 423 | of the objective function. If there are primal infeasibilities then the |
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| 424 | sum and number are given and similarly for dual infeasibilities. |
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| 425 | (This is a simplified form of message.) |
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| 426 | </simpara> |
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| 427 | </entry> |
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| 428 | </row> |
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| 429 | <row> |
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| 430 | <entry align="left"> |
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| 431 | 14 |
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| 432 | </entry> |
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| 433 | <entry align="center"> |
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| 434 | SIMPLEX |
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| 435 | </entry> |
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| 436 | <entry> |
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| 437 | </entry> |
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| 438 | <entry align="left"> |
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| 439 | <computeroutput> |
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| 440 | Perturbing problem by %g % of %g |
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| 441 | </computeroutput> |
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| 442 | </entry> |
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| 443 | </row> |
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| 444 | <row> |
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| 445 | <entry namest="c1" nameend="c3"> |
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| 446 | </entry> |
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| 447 | <entry align="left"> |
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| 448 | <simpara> |
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| 449 | There is more to this message but if the user sees this then s/he has |
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| 450 | chosen to perturb the problem or the algorithm has decided to do so. |
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| 451 | If the numbers look too large the user may wish to think again. |
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| 452 | </simpara> |
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| 453 | </entry> |
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| 454 | </row> |
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| 455 | <row> |
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| 456 | <entry align="left"> |
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| 457 | 19 |
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| 458 | </entry> |
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| 459 | <entry align="center"> |
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| 460 | SIMPLEX |
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| 461 | </entry> |
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| 462 | <entry> |
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| 463 | </entry> |
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| 464 | <entry align="left"> |
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| 465 | <computeroutput> |
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| 466 | %d variables/rows fixed as scaled bounds too close |
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| 467 | </computeroutput> |
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| 468 | </entry> |
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| 469 | </row> |
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| 470 | <row> |
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| 471 | <entry namest="c1" nameend="c3"> |
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| 472 | </entry> |
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| 473 | <entry align="left"> |
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| 474 | <simpara> |
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| 475 | If this occurs look carefully at your input data |
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| 476 | </simpara> |
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| 477 | </entry> |
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| 478 | </row> |
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| 479 | <row> |
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| 480 | <entry align="left"> |
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| 481 | 24 |
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| 482 | </entry> |
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| 483 | <entry align="center"> |
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| 484 | SIMPLEX |
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| 485 | </entry> |
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| 486 | <entry> |
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| 487 | </entry> |
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| 488 | <entry align="left"> |
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| 489 | <computeroutput> |
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| 490 | Matrix will be packed to eliminate small elements |
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| 491 | </computeroutput> |
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| 492 | </entry> |
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| 493 | </row> |
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| 494 | <row> |
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| 495 | <entry namest="c1" nameend="c3"> |
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| 496 | </entry> |
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| 497 | <entry align="left"> |
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| 498 | <simpara> |
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| 499 | If this occurs the user should look carefully at data. |
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| 500 | </simpara> |
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| 501 | </entry> |
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| 502 | </row> |
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| 503 | <row> |
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| 504 | <entry align="left"> |
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| 505 | 26 |
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| 506 | </entry> |
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| 507 | <entry align="center"> |
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| 508 | SIMPLEX |
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| 509 | </entry> |
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| 510 | <entry> |
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| 511 | </entry> |
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| 512 | <entry align="left"> |
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| 513 | <computeroutput> |
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| 514 | Matrix will be packed to eliminate %d duplicate elements |
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| 515 | </computeroutput> |
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| 516 | </entry> |
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| 517 | </row> |
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| 518 | <row> |
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| 519 | <entry namest="c1" nameend="c3"> |
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| 520 | </entry> |
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| 521 | <entry align="left"> |
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| 522 | <simpara> |
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| 523 | If this occurs the user should look carefully at data. |
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| 524 | </simpara> |
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| 525 | </entry> |
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| 526 | </row> |
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| 527 | <row> |
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| 528 | <entry align="left"> |
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| 529 | 28 |
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| 530 | </entry> |
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| 531 | <entry align="center"> |
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| 532 | SIMPLEX |
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| 533 | </entry> |
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| 534 | <entry> |
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| 535 | </entry> |
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| 536 | <entry align="left"> |
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| 537 | <computeroutput> |
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| 538 | Crash put %d variables in basis, %d dual infeasibilities |
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| 539 | </computeroutput> |
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| 540 | </entry> |
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| 541 | </row> |
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| 542 | <row> |
|---|
| 543 | <entry namest="c1" nameend="c3"> |
|---|
| 544 | </entry> |
|---|
| 545 | <entry align="left"> |
|---|
| 546 | <simpara> |
|---|
| 547 | |
|---|
| 548 | </simpara> |
|---|
| 549 | </entry> |
|---|
| 550 | </row> |
|---|
| 551 | <row> |
|---|
| 552 | <entry align="left"> |
|---|
| 553 | 29 |
|---|
| 554 | </entry> |
|---|
| 555 | <entry align="center"> |
|---|
| 556 | SIMPLEX |
|---|
| 557 | </entry> |
|---|
| 558 | <entry> |
|---|
| 559 | </entry> |
|---|
| 560 | <entry align="left"> |
|---|
| 561 | <computeroutput> |
|---|
| 562 | End of values pass after %d iterations |
|---|
| 563 | </computeroutput> |
|---|
| 564 | </entry> |
|---|
| 565 | </row> |
|---|
| 566 | <row> |
|---|
| 567 | <entry namest="c1" nameend="c3"> |
|---|
| 568 | </entry> |
|---|
| 569 | <entry align="left"> |
|---|
| 570 | <simpara> |
|---|
| 571 | ??? If primal(1) or dual(1) the a sweep through model is made and this |
|---|
| 572 | signals end of pass. |
|---|
| 573 | </simpara> |
|---|
| 574 | </entry> |
|---|
| 575 | </row> |
|---|
| 576 | |
|---|
| 577 | </tbody> |
|---|
| 578 | </tgroup> |
|---|
| 579 | </table> |
|---|
| 580 | |
|---|
| 581 | <table frame="none" align="left"> |
|---|
| 582 | <title> |
|---|
| 583 | COIN Messages passed at or above logging level 0 |
|---|
| 584 | </title> |
|---|
| 585 | <tgroup cols="4" colsep="1" rowsep="1"> |
|---|
| 586 | <colspec colname="c1"/> |
|---|
| 587 | <colspec colname="c2"/> |
|---|
| 588 | <colspec colname="c3"/> |
|---|
| 589 | <colspec colname="c4"/> |
|---|
| 590 | <thead> |
|---|
| 591 | <row> |
|---|
| 592 | <entry align="center"> |
|---|
| 593 | Code |
|---|
| 594 | </entry> |
|---|
| 595 | <entry align="center"> |
|---|
| 596 | Area |
|---|
| 597 | </entry> |
|---|
| 598 | <entry> |
|---|
| 599 | </entry> |
|---|
| 600 | <entry align="left"> |
|---|
| 601 | Text and notes |
|---|
| 602 | </entry> |
|---|
| 603 | </row> |
|---|
| 604 | </thead> |
|---|
| 605 | <tbody> |
|---|
| 606 | <row> |
|---|
| 607 | <entry align="left"> |
|---|
| 608 | 3001 |
|---|
| 609 | </entry> |
|---|
| 610 | <entry align="center"> |
|---|
| 611 | MPSREAD |
|---|
| 612 | </entry> |
|---|
| 613 | <entry> |
|---|
| 614 | </entry> |
|---|
| 615 | <entry align="left"> |
|---|
| 616 | <computeroutput> |
|---|
| 617 | Illegal value for %s of %g |
|---|
| 618 | </computeroutput> |
|---|
| 619 | </entry> |
|---|
| 620 | </row> |
|---|
| 621 | <row> |
|---|
| 622 | <entry namest="c1" nameend="c3"> |
|---|
| 623 | </entry> |
|---|
| 624 | <entry align="left"> |
|---|
| 625 | <simpara> |
|---|
| 626 | String will be "infinity" if setInfinity passed bad value, |
|---|
| 627 | or "default integer bound" if setDefaultBound passed bad value. |
|---|
| 628 | </simpara> |
|---|
| 629 | </entry> |
|---|
| 630 | </row> |
|---|
| 631 | <row> |
|---|
| 632 | <entry align="left"> |
|---|
| 633 | 3002 |
|---|
| 634 | </entry> |
|---|
| 635 | <entry align="center"> |
|---|
| 636 | MPSREAD |
|---|
| 637 | </entry> |
|---|
| 638 | <entry> |
|---|
| 639 | </entry> |
|---|
| 640 | <entry align="left"> |
|---|
| 641 | <computeroutput> |
|---|
| 642 | Bad image at line %d < %s > |
|---|
| 643 | </computeroutput> |
|---|
| 644 | </entry> |
|---|
| 645 | </row> |
|---|
| 646 | <row> |
|---|
| 647 | <entry namest="c1" nameend="c3"> |
|---|
| 648 | </entry> |
|---|
| 649 | <entry align="left"> |
|---|
| 650 | <simpara> |
|---|
| 651 | This gives line number and the offending line |
|---|
| 652 | </simpara> |
|---|
| 653 | </entry> |
|---|
| 654 | </row> |
|---|
| 655 | <row> |
|---|
| 656 | <entry align="left"> |
|---|
| 657 | 3003 |
|---|
| 658 | </entry> |
|---|
| 659 | <entry align="center"> |
|---|
| 660 | MPSREAD |
|---|
| 661 | </entry> |
|---|
| 662 | <entry> |
|---|
| 663 | </entry> |
|---|
| 664 | <entry align="left"> |
|---|
| 665 | <computeroutput> |
|---|
| 666 | Duplicate objective at line %d < %s > |
|---|
| 667 | </computeroutput> |
|---|
| 668 | </entry> |
|---|
| 669 | </row> |
|---|
| 670 | <row> |
|---|
| 671 | <entry namest="c1" nameend="c3"> |
|---|
| 672 | </entry> |
|---|
| 673 | <entry align="left"> |
|---|
| 674 | <simpara> |
|---|
| 675 | An objective row appears twice in one column |
|---|
| 676 | </simpara> |
|---|
| 677 | </entry> |
|---|
| 678 | </row> |
|---|
| 679 | <row> |
|---|
| 680 | <entry align="left"> |
|---|
| 681 | 3004 |
|---|
| 682 | </entry> |
|---|
| 683 | <entry align="center"> |
|---|
| 684 | MPSREAD |
|---|
| 685 | </entry> |
|---|
| 686 | <entry> |
|---|
| 687 | </entry> |
|---|
| 688 | <entry align="left"> |
|---|
| 689 | <computeroutput> |
|---|
| 690 | Duplicate row %s at line %d %s |
|---|
| 691 | </computeroutput> |
|---|
| 692 | </entry> |
|---|
| 693 | </row> |
|---|
| 694 | <row> |
|---|
| 695 | <entry namest="c1" nameend="c3"> |
|---|
| 696 | </entry> |
|---|
| 697 | <entry align="left"> |
|---|
| 698 | <simpara> |
|---|
| 699 | The named row appears twice in one column. |
|---|
| 700 | </simpara> |
|---|
| 701 | </entry> |
|---|
| 702 | </row> |
|---|
| 703 | <row> |
|---|
| 704 | <entry align="left"> |
|---|
| 705 | 3005 |
|---|
| 706 | </entry> |
|---|
| 707 | <entry align="center"> |
|---|
| 708 | MPSREAD |
|---|
| 709 | </entry> |
|---|
| 710 | <entry> |
|---|
| 711 | </entry> |
|---|
| 712 | <entry align="left"> |
|---|
| 713 | <computeroutput> |
|---|
| 714 | No match for row %s at line %d < %s > |
|---|
| 715 | </computeroutput> |
|---|
| 716 | </entry> |
|---|
| 717 | </row> |
|---|
| 718 | <row> |
|---|
| 719 | <entry namest="c1" nameend="c3"> |
|---|
| 720 | </entry> |
|---|
| 721 | <entry align="left"> |
|---|
| 722 | <simpara> |
|---|
| 723 | The named row did not appear in ROWS section. |
|---|
| 724 | </simpara> |
|---|
| 725 | </entry> |
|---|
| 726 | </row> |
|---|
| 727 | <row> |
|---|
| 728 | <entry align="left"> |
|---|
| 729 | 3006 |
|---|
| 730 | </entry> |
|---|
| 731 | <entry align="center"> |
|---|
| 732 | MPSREAD |
|---|
| 733 | </entry> |
|---|
| 734 | <entry> |
|---|
| 735 | </entry> |
|---|
| 736 | <entry align="left"> |
|---|
| 737 | <computeroutput> |
|---|
| 738 | No match for column at line %d < %s > |
|---|
| 739 | </computeroutput> |
|---|
| 740 | </entry> |
|---|
| 741 | </row> |
|---|
| 742 | <row> |
|---|
| 743 | <entry namest="c1" nameend="c3"> |
|---|
| 744 | </entry> |
|---|
| 745 | <entry align="left"> |
|---|
| 746 | <simpara> |
|---|
| 747 | The named column (in BOUNDS section) did not appear in COLUMNS section. |
|---|
| 748 | </simpara> |
|---|
| 749 | </entry> |
|---|
| 750 | </row> |
|---|
| 751 | <row> |
|---|
| 752 | <entry align="left"> |
|---|
| 753 | 6001 |
|---|
| 754 | </entry> |
|---|
| 755 | <entry align="center"> |
|---|
| 756 | MPSREAD |
|---|
| 757 | </entry> |
|---|
| 758 | <entry> |
|---|
| 759 | </entry> |
|---|
| 760 | <entry align="left"> |
|---|
| 761 | <computeroutput> |
|---|
| 762 | Unable to open mps input file %s |
|---|
| 763 | </computeroutput> |
|---|
| 764 | </entry> |
|---|
| 765 | </row> |
|---|
| 766 | <row> |
|---|
| 767 | <entry namest="c1" nameend="c3"> |
|---|
| 768 | </entry> |
|---|
| 769 | <entry align="left"> |
|---|
| 770 | <simpara> |
|---|
| 771 | |
|---|
| 772 | </simpara> |
|---|
| 773 | </entry> |
|---|
| 774 | </row> |
|---|
| 775 | <row> |
|---|
| 776 | <entry align="left"> |
|---|
| 777 | 6002 |
|---|
| 778 | </entry> |
|---|
| 779 | <entry align="center"> |
|---|
| 780 | MPSREAD |
|---|
| 781 | </entry> |
|---|
| 782 | <entry> |
|---|
| 783 | </entry> |
|---|
| 784 | <entry align="left"> |
|---|
| 785 | <computeroutput> |
|---|
| 786 | Unknown image %s at line %d of file %s |
|---|
| 787 | </computeroutput> |
|---|
| 788 | </entry> |
|---|
| 789 | </row> |
|---|
| 790 | <row> |
|---|
| 791 | <entry namest="c1" nameend="c3"> |
|---|
| 792 | </entry> |
|---|
| 793 | <entry align="left"> |
|---|
| 794 | <simpara> |
|---|
| 795 | The Mps reader could not make sense of the image file specified. |
|---|
| 796 | </simpara> |
|---|
| 797 | </entry> |
|---|
| 798 | </row> |
|---|
| 799 | <row> |
|---|
| 800 | <entry align="left"> |
|---|
| 801 | 6003 |
|---|
| 802 | </entry> |
|---|
| 803 | <entry align="center"> |
|---|
| 804 | MPSREAD |
|---|
| 805 | </entry> |
|---|
| 806 | <entry> |
|---|
| 807 | </entry> |
|---|
| 808 | <entry align="left"> |
|---|
| 809 | <computeroutput> |
|---|
| 810 | Consider the possibility of a compressed file which zlib is unable to read. |
|---|
| 811 | </computeroutput> |
|---|
| 812 | </entry> |
|---|
| 813 | </row> |
|---|
| 814 | <row> |
|---|
| 815 | <entry namest="c1" nameend="c3"> |
|---|
| 816 | </entry> |
|---|
| 817 | <entry align="left"> |
|---|
| 818 | <simpara> |
|---|
| 819 | Some .gz files can not be read by zlib. Using gunzip and then gzip |
|---|
| 820 | normally cures problem. |
|---|
| 821 | </simpara> |
|---|
| 822 | </entry> |
|---|
| 823 | </row> |
|---|
| 824 | <row> |
|---|
| 825 | <entry align="left"> |
|---|
| 826 | 6004 |
|---|
| 827 | </entry> |
|---|
| 828 | <entry align="center"> |
|---|
| 829 | MPSREAD |
|---|
| 830 | </entry> |
|---|
| 831 | <entry> |
|---|
| 832 | </entry> |
|---|
| 833 | <entry align="left"> |
|---|
| 834 | <computeroutput> |
|---|
| 835 | EOF on file %s |
|---|
| 836 | </computeroutput> |
|---|
| 837 | </entry> |
|---|
| 838 | </row> |
|---|
| 839 | <row> |
|---|
| 840 | <entry namest="c1" nameend="c3"> |
|---|
| 841 | </entry> |
|---|
| 842 | <entry align="left"> |
|---|
| 843 | <simpara> |
|---|
| 844 | The Mps reader did not find expected section marker. |
|---|
| 845 | </simpara> |
|---|
| 846 | </entry> |
|---|
| 847 | </row> |
|---|
| 848 | <row> |
|---|
| 849 | <entry align="left"> |
|---|
| 850 | 6005 |
|---|
| 851 | </entry> |
|---|
| 852 | <entry align="center"> |
|---|
| 853 | MPSREAD |
|---|
| 854 | </entry> |
|---|
| 855 | <entry> |
|---|
| 856 | </entry> |
|---|
| 857 | <entry align="left"> |
|---|
| 858 | <computeroutput> |
|---|
| 859 | Returning as too many errors |
|---|
| 860 | </computeroutput> |
|---|
| 861 | </entry> |
|---|
| 862 | </row> |
|---|
| 863 | <row> |
|---|
| 864 | <entry namest="c1" nameend="c3"> |
|---|
| 865 | </entry> |
|---|
| 866 | <entry align="left"> |
|---|
| 867 | <simpara> |
|---|
| 868 | The reader has put out 100 messages and is giving up. |
|---|
| 869 | </simpara> |
|---|
| 870 | </entry> |
|---|
| 871 | </row> |
|---|
| 872 | <row> |
|---|
| 873 | <entry align="left"> |
|---|
| 874 | 507 |
|---|
| 875 | </entry> |
|---|
| 876 | <entry align="center"> |
|---|
| 877 | PRESOLVE |
|---|
| 878 | </entry> |
|---|
| 879 | <entry> |
|---|
| 880 | </entry> |
|---|
| 881 | <entry align="left"> |
|---|
| 882 | <computeroutput> |
|---|
| 883 | Presolve determined that the problem is infeasible with tolerance of %g |
|---|
| 884 | </computeroutput> |
|---|
| 885 | </entry> |
|---|
| 886 | </row> |
|---|
| 887 | <row> |
|---|
| 888 | <entry namest="c1" nameend="c3"> |
|---|
| 889 | </entry> |
|---|
| 890 | <entry align="left"> |
|---|
| 891 | <simpara> |
|---|
| 892 | If you want you can try with a larger tolerance |
|---|
| 893 | </simpara> |
|---|
| 894 | </entry> |
|---|
| 895 | </row> |
|---|
| 896 | <row> |
|---|
| 897 | <entry align="left"> |
|---|
| 898 | 508 |
|---|
| 899 | </entry> |
|---|
| 900 | <entry align="center"> |
|---|
| 901 | PRESOLVE |
|---|
| 902 | </entry> |
|---|
| 903 | <entry> |
|---|
| 904 | </entry> |
|---|
| 905 | <entry align="left"> |
|---|
| 906 | <computeroutput> |
|---|
| 907 | Presolve thinks problem is unbounded |
|---|
| 908 | </computeroutput> |
|---|
| 909 | </entry> |
|---|
| 910 | </row> |
|---|
| 911 | <row> |
|---|
| 912 | <entry namest="c1" nameend="c3"> |
|---|
| 913 | </entry> |
|---|
| 914 | <entry align="left"> |
|---|
| 915 | <simpara> |
|---|
| 916 | Perhaps the user should maximize if initially minimizing or vice versa. |
|---|
| 917 | </simpara> |
|---|
| 918 | </entry> |
|---|
| 919 | </row> |
|---|
| 920 | <row> |
|---|
| 921 | <entry align="left"> |
|---|
| 922 | 509 |
|---|
| 923 | </entry> |
|---|
| 924 | <entry align="center"> |
|---|
| 925 | PRESOLVE |
|---|
| 926 | </entry> |
|---|
| 927 | <entry> |
|---|
| 928 | </entry> |
|---|
| 929 | <entry align="left"> |
|---|
| 930 | <computeroutput> |
|---|
| 931 | Presolve thinks problem is infeasible AND unbounded??? |
|---|
| 932 | </computeroutput> |
|---|
| 933 | </entry> |
|---|
| 934 | </row> |
|---|
| 935 | <row> |
|---|
| 936 | <entry namest="c1" nameend="c3"> |
|---|
| 937 | </entry> |
|---|
| 938 | <entry align="left"> |
|---|
| 939 | <simpara> |
|---|
| 940 | If you get this message we want to know |
|---|
| 941 | </simpara> |
|---|
| 942 | </entry> |
|---|
| 943 | </row> |
|---|
| 944 | </tbody> |
|---|
| 945 | </tgroup> |
|---|
| 946 | </table> |
|---|
| 947 | |
|---|
| 948 | <table frame="none" align="left"> |
|---|
| 949 | <title> |
|---|
| 950 | CLP Messages passed at or above logging level 0 |
|---|
| 951 | </title> |
|---|
| 952 | <tgroup cols="4" colsep="1" rowsep="1"> |
|---|
| 953 | <colspec colname="c1"/> |
|---|
| 954 | <colspec colname="c2"/> |
|---|
| 955 | <colspec colname="c3"/> |
|---|
| 956 | <colspec colname="c4"/> |
|---|
| 957 | <thead> |
|---|
| 958 | <row> |
|---|
| 959 | <entry align="center"> |
|---|
| 960 | Code |
|---|
| 961 | </entry> |
|---|
| 962 | <entry align="center"> |
|---|
| 963 | Area |
|---|
| 964 | </entry> |
|---|
| 965 | <entry> |
|---|
| 966 | </entry> |
|---|
| 967 | <entry align="left"> |
|---|
| 968 | Text and notes |
|---|
| 969 | </entry> |
|---|
| 970 | </row> |
|---|
| 971 | </thead> |
|---|
| 972 | <tbody> |
|---|
| 973 | <row> |
|---|
| 974 | <entry align="left"> |
|---|
| 975 | 3002 |
|---|
| 976 | </entry> |
|---|
| 977 | <entry align="center"> |
|---|
| 978 | SIMPLEX |
|---|
| 979 | </entry> |
|---|
| 980 | <entry> |
|---|
| 981 | </entry> |
|---|
| 982 | <entry align="left"> |
|---|
| 983 | <computeroutput> |
|---|
| 984 | Not solving empty problem - %d rows, %d columns and %d elements |
|---|
| 985 | </computeroutput> |
|---|
| 986 | </entry> |
|---|
| 987 | </row> |
|---|
| 988 | <row> |
|---|
| 989 | <entry namest="c1" nameend="c3"> |
|---|
| 990 | </entry> |
|---|
| 991 | <entry align="left"> |
|---|
| 992 | <simpara> |
|---|
| 993 | Test problem size before solving. |
|---|
| 994 | </simpara> |
|---|
| 995 | </entry> |
|---|
| 996 | </row> |
|---|
| 997 | <row> |
|---|
| 998 | <entry align="left"> |
|---|
| 999 | 6002 |
|---|
| 1000 | </entry> |
|---|
| 1001 | <entry align="center"> |
|---|
| 1002 | SIMPLEX |
|---|
| 1003 | </entry> |
|---|
| 1004 | <entry> |
|---|
| 1005 | </entry> |
|---|
| 1006 | <entry align="left"> |
|---|
| 1007 | <computeroutput> |
|---|
| 1008 | %d bad bound pairs or bad objectives were found |
|---|
| 1009 | </computeroutput> |
|---|
| 1010 | </entry> |
|---|
| 1011 | </row> |
|---|
| 1012 | <row> |
|---|
| 1013 | <entry namest="c1" nameend="c3"> |
|---|
| 1014 | </entry> |
|---|
| 1015 | <entry align="left"> |
|---|
| 1016 | <simpara> |
|---|
| 1017 | Either the value in the objective was too large or a lower bound was |
|---|
| 1018 | greater than an upper bound. |
|---|
| 1019 | </simpara> |
|---|
| 1020 | </entry> |
|---|
| 1021 | </row> |
|---|
| 1022 | <row> |
|---|
| 1023 | <entry align="left"> |
|---|
| 1024 | 6003 |
|---|
| 1025 | </entry> |
|---|
| 1026 | <entry align="center"> |
|---|
| 1027 | SIMPLEX |
|---|
| 1028 | </entry> |
|---|
| 1029 | <entry> |
|---|
| 1030 | </entry> |
|---|
| 1031 | <entry align="left"> |
|---|
| 1032 | <computeroutput> |
|---|
| 1033 | Matrix has %d large values, first at column %d, row %d is %g |
|---|
| 1034 | </computeroutput> |
|---|
| 1035 | </entry> |
|---|
| 1036 | </row> |
|---|
| 1037 | <row> |
|---|
| 1038 | <entry namest="c1" nameend="c3"> |
|---|
| 1039 | </entry> |
|---|
| 1040 | <entry align="left"> |
|---|
| 1041 | <simpara> |
|---|
| 1042 | Some of the values in matrix are ridiculous. |
|---|
| 1043 | </simpara> |
|---|
| 1044 | </entry> |
|---|
| 1045 | </row> |
|---|
| 1046 | <row> |
|---|
| 1047 | <entry align="left"> |
|---|
| 1048 | 6004 |
|---|
| 1049 | </entry> |
|---|
| 1050 | <entry align="center"> |
|---|
| 1051 | SIMPLEX |
|---|
| 1052 | </entry> |
|---|
| 1053 | <entry> |
|---|
| 1054 | </entry> |
|---|
| 1055 | <entry align="left"> |
|---|
| 1056 | <computeroutput> |
|---|
| 1057 | Can't get out of loop ... |
|---|
| 1058 | </computeroutput> |
|---|
| 1059 | </entry> |
|---|
| 1060 | </row> |
|---|
| 1061 | <row> |
|---|
| 1062 | <entry namest="c1" nameend="c3"> |
|---|
| 1063 | </entry> |
|---|
| 1064 | <entry align="left"> |
|---|
| 1065 | <simpara> |
|---|
| 1066 | |
|---|
| 1067 | </simpara> |
|---|
| 1068 | </entry> |
|---|
| 1069 | </row> |
|---|
| 1070 | </tbody> |
|---|
| 1071 | </tgroup> |
|---|
| 1072 | </table> |
|---|
| 1073 | <para> |
|---|
| 1074 | There are also messages available at log level 2 (the most likely useful relate |
|---|
| 1075 | to scaling), and will be addressed in a future version of this User Guide. |
|---|
| 1076 | </para> |
|---|
| 1077 | </chapter> |
|---|
