Trace number 453362

Some explanations

A solver is run under the control of another program named runsolver. runsolver is in charge of imposing the CPU time limit and the memory limit to the solver. It also monitors some information about the process. The trace of the execution of a solver is divided into four (or five) parts:
  1. SOLVER DATA
    This is the output of the solver (stdout and stderr).
    Note that some very long lines in this section may be truncated by your web browser ! In such a case, you may want to use the "Download as text" link to get the trace as a text file.

    When the --timestamp option is passed to the runsolver program, each line output by the solver is prepended with a timestamp which indicates at what time the line was output by the solver. Times are relative to the start of the program, given in seconds, and are wall clock time (not CPU time).

    As some 'v lines' may be very long (sometimes several megabytes), the 'v line' output by your solver may be split on several lines to help limit the size of the trace recorded in the database. In any case, the exact output of your solver is preserved in a trace file.
  2. VERIFIER DATA
    The output of the solver is piped to a verifier program which will search a value line "v " and, if found, will check that the given interpretation satisfies all constraints.
  3. CONVERSION SCRIPT DATA (Optionnal)
    When a conversion script is used, this section shows the messages that were output by the conversion script.
  4. WATCHER DATA
    This is the informations gathered by the runsolver program. It first prints the different limits. There's a first limit on CPU time set to X seconds (see the parameters in the trace). After this time has ellapsed, runsolver sends a SIGTERM and 2 seconds later a SIGKILL to the solver. For safety, there's also another limit set to X+30 seconds which will send a SIGXPU to the solver. The last limit is on the virtual memory used by the process (see the parameters in the trace).
    Every ten seconds, the runsolver process fetches the content of /proc/loadavg, /proc/pid/stat and /proc/pid/statm (see man proc) and prints it as raw data. This is only recorded in case we need to investigate the behaviour of a solver. The memory used by the solver (vsize) is also given every ten seconds.
    When the solver exits, runsolver prints some informations such as status and time. CPU usage is the ratio CPU Time/Real Time.
  5. LAUNCHER DATA
    These informations are related to the script which will launch the solver. The most important informations are the command line given to the solver, the md5sum of the different files and the dump of the /proc/cpuinfo and /proc/meminfo which provides some useful information on the computer.

Solver answer on this benchmark

Solver NameAnswerObjective functionCPU timeWall clock time
Pueblo 1.4OPT2 0.422934 0.423873

General information on the benchmark

Namenormalized-PB07/OPT-SMALLINT-NLC/submittedPB07/
manquinho/mds/normalized-mds_50_25_3.opb
MD5SUMda214a3f088b29c437fc8e7d0ee2cf8a
Bench CategoryOPT-SMALLINT-NLC (optimisation, small integers, non linear constraints)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark2
Best CPU time to get the best result obtained on this benchmark0.207968
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 2
Optimality of the best value was proved YES
Number of variables50
Total number of constraints50
Number of constraints which are clauses0
Number of constraints which are cardinality constraints (but not clauses)0
Number of constraints which are nor clauses,nor cardinality constraints50
Minimum length of a constraint26
Maximum length of a constraint38
Number of terms in the objective function 50
Biggest coefficient in the objective function 1
Number of bits for the biggest coefficient in the objective function 1
Sum of the numbers in the objective function 50
Number of bits of the sum of numbers in the objective function 6
Biggest number in a constraint 1
Number of bits of the biggest number in a constraint 1
Biggest sum of numbers in a constraint 50
Number of bits of the biggest sum of numbers6
Number of products (including duplicates)1476
Sum of products size (including duplicates)2952
Number of different products1476
Sum of products size2952

Quality of the solution as a function of time


Download the above graph as a PDF file / as an EPS file

Solver Data (download as text)

0.00/0.00	c Pueblo version 1.4 (September 2005)
0.00/0.00	c Developed @ University of Michigan, Ann Arbor, MI
0.00/0.00	c  by Hossein Sheini
0.02/0.05	c starting to Solve
0.02/0.05	c #variables read: 1526 - #constraints read: 3003
0.02/0.05	o 4
0.02/0.05	o 3
0.39/0.41	o 2
0.39/0.42	c optimum objective found = 2
0.39/0.42	c total time              : 0.41 s
0.39/0.42	s OPTIMUM FOUND
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0.39/0.42	v -x55 -x56 -x57 -x58 -x59 -x60 -x61 -x62 -x63 -x64 -x65 -x66 -x67 -x68 -x69 -x70 -x71 -x72 -x73 -x74 -x75 -x76 -x77 -x78 -x79 -x80
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0.39/0.42	v -x547 -x548 -x549 -x550 -x551 x552 -x553 -x554 -x555 -x556 -x557 -x558 -x559 -x560 -x561 -x562 -x563 -x564 -x565 -x566 -x567
0.39/0.42	v -x568 -x569 -x570 -x571 -x572 -x573 -x574 -x575 -x576 -x577 -x578 x579 -x580 -x581 -x582 -x583 -x584 -x585 -x586 -x587 -x588
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0.39/0.42	v -x757 -x758 x759 -x760 -x761 -x762 x763 -x764 -x765 -x766 -x767 -x768 -x769 -x770 -x771 -x772 -x773 -x774 -x775 -x776 -x777
0.39/0.42	v -x778 -x779 -x780 -x781 -x782 -x783 -x784 -x785 -x786 -x787 -x788 x789 -x790 -x791 -x792 x793 -x794 -x795 -x796 -x797 -x798
0.39/0.42	v -x799 -x800 -x801 -x802 -x803 -x804 -x805 -x806 -x807 -x808 -x809 -x810 -x811 -x812 -x813 -x814 -x815 -x816 -x817 -x818 -x819
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0.39/0.42	v -x841 -x842 -x843 -x844 -x845 -x846 -x847 -x848 -x849 -x850 -x851 -x852 x853 -x854 x855 -x856 -x857 -x858 -x859 -x860 -x861
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0.39/0.42	v -x904 -x905 -x906 -x907 -x908 -x909 -x910 -x911 -x912 -x913 -x914 x915 -x916 -x917 -x918 -x919 -x920 -x921 -x922 -x923 -x924
0.39/0.42	v -x925 -x926 -x927 -x928 -x929 -x930 -x931 -x932 -x933 -x934 -x935 -x936 -x937 -x938 -x939 -x940 x941 -x942 -x943 -x944 -x945
0.39/0.42	v -x946 -x947 -x948 -x949 -x950 -x951 -x952 -x953 -x954 -x955 -x956 -x957 -x958 -x959 -x960 -x961 -x962 -x963 -x964 -x965 -x966
0.39/0.42	v x967 -x968 -x969 -x970 -x971 -x972 -x973 -x974 -x975 -x976 -x977 -x978 -x979 -x980 -x981 -x982 -x983 -x984 -x985 -x986 -x987
0.39/0.42	v -x988 -x989 -x990 -x991 -x992 -x993 -x994 -x995 x996 -x997 -x998 -x999 -x1000 -x1001 -x1002 -x1003 -x1004 -x1005 -x1006
0.39/0.42	v -x1007 -x1008 -x1009 -x1010 -x1011 -x1012 -x1013 -x1014 -x1015 -x1016 -x1017 -x1018 -x1019 -x1020 -x1021 -x1022 -x1023
0.39/0.42	v -x1024 -x1025 -x1026 -x1027 x1028 -x1029 -x1030 -x1031 -x1032 -x1033 -x1034 -x1035 -x1036 -x1037 -x1038 -x1039 -x1040
0.39/0.42	v -x1041 -x1042 -x1043 -x1044 -x1045 -x1046 -x1047 -x1048 -x1049 -x1050 -x1051 -x1052 -x1053 -x1054 -x1055 x1056 -x1057
0.39/0.42	v -x1058 -x1059 -x1060 -x1061 -x1062 -x1063 -x1064 -x1065 -x1066 -x1067 -x1068 -x1069 -x1070 -x1071 -x1072 -x1073 -x1074
0.39/0.42	v -x1075 -x1076 -x1077 -x1078 -x1079 -x1080 -x1081 -x1082 x1083 -x1084 -x1085 -x1086 -x1087 -x1088 -x1089 -x1090 -x1091
0.39/0.42	v -x1092 -x1093 -x1094 -x1095 -x1096 -x1097 -x1098 -x1099 -x1100 -x1101 -x1102 -x1103 -x1104 -x1105 x1106 -x1107 -x1108
0.39/0.42	v -x1109 x1110 -x1111 -x1112 -x1113 -x1114 -x1115 -x1116 -x1117 -x1118 -x1119 -x1120 -x1121 -x1122 -x1123 -x1124 -x1125
0.39/0.42	v -x1126 -x1127 -x1128 -x1129 -x1130 -x1131 -x1132 -x1133 x1134 -x1135 -x1136 -x1137 x1138 -x1139 -x1140 -x1141 -x1142 -x1143
0.39/0.42	v -x1144 -x1145 -x1146 -x1147 -x1148 -x1149 -x1150 -x1151 -x1152 -x1153 -x1154 -x1155 -x1156 -x1157 -x1158 -x1159 x1160
0.39/0.42	v -x1161 -x1162 -x1163 x1164 -x1165 -x1166 -x1167 -x1168 -x1169 -x1170 -x1171 -x1172 -x1173 -x1174 -x1175 -x1176 -x1177
0.39/0.42	v -x1178 -x1179 -x1180 -x1181 -x1182 -x1183 -x1184 -x1185 -x1186 x1187 -x1188 -x1189 -x1190 -x1191 -x1192 -x1193 -x1194
0.39/0.42	v -x1195 -x1196 -x1197 -x1198 -x1199 -x1200 -x1201 -x1202 -x1203 -x1204 -x1205 -x1206 -x1207 -x1208 -x1209 -x1210 -x1211
0.39/0.42	v -x1212 -x1213 -x1214 x1215 -x1216 -x1217 -x1218 -x1219 x1220 -x1221 -x1222 -x1223 -x1224 -x1225 -x1226 -x1227 -x1228 -x1229
0.39/0.42	v -x1230 -x1231 -x1232 -x1233 -x1234 -x1235 -x1236 -x1237 -x1238 -x1239 -x1240 -x1241 x1242 -x1243 -x1244 -x1245 x1246 -x1247
0.39/0.42	v -x1248 -x1249 -x1250 -x1251 -x1252 -x1253 -x1254 -x1255 -x1256 -x1257 -x1258 -x1259 -x1260 -x1261 -x1262 -x1263 -x1264
0.39/0.42	v -x1265 -x1266 -x1267 -x1268 x1269 -x1270 -x1271 -x1272 -x1273 x1274 -x1275 -x1276 -x1277 -x1278 -x1279 -x1280 -x1281 -x1282
0.39/0.42	v -x1283 -x1284 -x1285 -x1286 -x1287 -x1288 -x1289 -x1290 -x1291 -x1292 -x1293 -x1294 x1295 -x1296 -x1297 -x1298 x1299 -x1300
0.39/0.42	v -x1301 -x1302 -x1303 -x1304 -x1305 -x1306 -x1307 -x1308 -x1309 -x1310 -x1311 -x1312 -x1313 -x1314 -x1315 -x1316 -x1317
0.39/0.42	v -x1318 -x1319 -x1320 -x1321 -x1322 x1323 -x1324 -x1325 -x1326 -x1327 x1328 -x1329 -x1330 -x1331 -x1332 -x1333 -x1334 -x1335
0.39/0.42	v -x1336 -x1337 -x1338 -x1339 -x1340 -x1341 -x1342 -x1343 -x1344 -x1345 -x1346 -x1347 -x1348 -x1349 x1350 -x1351 -x1352
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0.39/0.42	v -x1370 -x1371 -x1372 -x1373 -x1374 -x1375 -x1376 -x1377 -x1378 x1379 -x1380 -x1381 -x1382 -x1383 -x1384 -x1385 -x1386
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0.39/0.42	v -x1524 -x1525 -x1526

Verifier Data (download as text)

OK	2

Conversion Script Data (download as text)

Linearizing /tmp/evaluation/453362-1178133460/instance-453362-1178133460.opb

Watcher Data (download as text)

runsolver version 3.2.3 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node5/watcher-453362-1178133460 -o ROOT/results/node5/solver-453362-1178133460 -C 1800 -W 3600 -M 1800 --output-limit 1,15 Pueblo /tmp/evaluation/453362-1178133460/instance-453362-1178133460.opb 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1800 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1830 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 3600 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 1843200 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 1894400 KiB
Solver output will be limited to a maximum of 15728640 bytes. The first 1048576 bytes and the last 14680064 bytes will be preserved
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 0.90 1.03 1.00 3/77 18326
/proc/meminfo: memFree=1745600/2055920 swapFree=4150044/4192956
[pid=18326] ppid=18324 vsize=2552 CPUtime=0
/proc/18326/stat : 18326 (Pueblo) R 18324 18326 16803 0 -1 4194304 267 0 0 0 0 0 0 0 18 0 1 0 289383720 2613248 238 18446744073709551615 134512640 134579096 4294956624 18446744073709551615 8359639 0 0 4096 0 0 0 0 17 1 0 0
/proc/18326/statm: 638 238 199 16 0 77 0

[startup+0.0334779 s]
/proc/loadavg: 0.90 1.03 1.00 3/77 18326
/proc/meminfo: memFree=1745600/2055920 swapFree=4150044/4192956
[pid=18326] ppid=18324 vsize=2952 CPUtime=0.02
/proc/18326/stat : 18326 (Pueblo) R 18324 18326 16803 0 -1 4194304 370 0 0 0 2 0 0 0 18 0 1 0 289383720 3022848 341 18446744073709551615 134512640 134579096 4294956624 18446744073709551615 8291976 0 0 4096 0 0 0 0 17 1 0 0
/proc/18326/statm: 738 341 199 16 0 177 0
Current children cumulated CPU time (s) 0.02
Current children cumulated vsize (KiB) 2952

[startup+0.101484 s]
/proc/loadavg: 0.90 1.03 1.00 3/77 18326
/proc/meminfo: memFree=1745600/2055920 swapFree=4150044/4192956
[pid=18326] ppid=18324 vsize=3628 CPUtime=0.09
/proc/18326/stat : 18326 (Pueblo) R 18324 18326 16803 0 -1 4194304 549 0 0 0 9 0 0 0 18 0 1 0 289383720 3715072 520 18446744073709551615 134512640 134579096 4294956624 18446744073709551615 134527715 0 0 4096 0 0 0 0 17 1 0 0
/proc/18326/statm: 907 520 205 16 0 346 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 3628

[startup+0.301508 s]
/proc/loadavg: 0.90 1.03 1.00 3/77 18326
/proc/meminfo: memFree=1745600/2055920 swapFree=4150044/4192956
[pid=18326] ppid=18324 vsize=3760 CPUtime=0.29
/proc/18326/stat : 18326 (Pueblo) R 18324 18326 16803 0 -1 4194304 590 0 0 0 29 0 0 0 19 0 1 0 289383720 3850240 561 18446744073709551615 134512640 134579096 4294956624 18446744073709551615 134527995 0 0 4096 0 0 0 0 17 1 0 0
/proc/18326/statm: 940 561 205 16 0 379 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 3760

Solver just ended. Dumping a history of the last processes samples

[startup+0.401519 s]
/proc/loadavg: 0.90 1.03 1.00 3/77 18326
/proc/meminfo: memFree=1745600/2055920 swapFree=4150044/4192956
[pid=18326] ppid=18324 vsize=4020 CPUtime=0.39
/proc/18326/stat : 18326 (Pueblo) R 18324 18326 16803 0 -1 4194304 624 0 0 0 39 0 0 0 20 0 1 0 289383720 4116480 595 18446744073709551615 134512640 134579096 4294956624 18446744073709551615 134528061 0 0 4096 0 0 0 0 17 1 0 0
/proc/18326/statm: 1005 595 205 16 0 444 0
Current children cumulated CPU time (s) 0.39
Current children cumulated vsize (KiB) 4020

Child status: 30
Real time (s): 0.423873
CPU time (s): 0.422934
CPU user time (s): 0.415936
CPU system time (s): 0.006998
CPU usage (%): 99.7785
Max. virtual memory (cumulated for all children) (KiB): 4020

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.415936
system time used= 0.006998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 638
page faults= 0
swaps= 0
block input operations= 0
block output operations= 0
messages sent= 0
messages received= 0
signals received= 0
voluntary context switches= 13
involuntary context switches= 2

runsolver used 0.003999 second user time and 0.005999 second system time

The end

Launcher Data (download as text)

Begin job on node5 on Wed May  2 19:17:41 UTC 2007

IDJOB= 453362
IDBENCH= 48125
IDSOLVER= 165
FILE ID= node5/453362-1178133460

PBS_JOBID= 4751054

Free space on /tmp= 66562 MiB

SOLVER NAME= Pueblo 1.4
BENCH NAME= HOME/pub/bench/PB07/normalized-PB07/OPT-SMALLINT-NLC/submittedPB07/manquinho/mds/normalized-mds_50_25_3.opb
COMMAND LINE= Pueblo /tmp/evaluation/453362-1178133460/instance-453362-1178133460.opb
CONVERSION COMMAND LINE= runsolver -w ROOT/results/node5/convwatcher-453362-1178133460 -o ROOT/results/node5/conversion-453362-1178133460 -C 600 -M 1800 PBconversionToLinear /tmp/evaluation/453362-1178133460/instance-453362-1178133460.opb
CONVERSION RUNSOLVER STATUS CODE= 0
CONVERSION STATUS CODE= 0

RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node5/watcher-453362-1178133460 -o ROOT/results/node5/solver-453362-1178133460 -C 1800 -W 3600 -M 1800 --output-limit 1,15  Pueblo /tmp/evaluation/453362-1178133460/instance-453362-1178133460.opb

META MD5SUM SOLVER= 9ebec3e8d890fdeefad01654ad9b68b7
MD5SUM BENCH=  da214a3f088b29c437fc8e7d0ee2cf8a

RANDOM SEED= 830967735

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 1800 MiB

Linux node5.alineos.net 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005 x86_64 x86_64 x86_64 GNU/Linux

/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 15
model		: 4
model name	:                   Intel(R) Xeon(TM) CPU 3.00GHz
stepping	: 3
cpu MHz		: 3000.232
cache size	: 2048 KB
fpu		: yes
fpu_exception	: yes
cpuid level	: 5
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx lm pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5914.62
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 15
model		: 4
model name	:                   Intel(R) Xeon(TM) CPU 3.00GHz
stepping	: 3
cpu MHz		: 3000.232
cache size	: 2048 KB
fpu		: yes
fpu_exception	: yes
cpuid level	: 5
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx lm pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5586.94
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055920 kB
MemFree:       1746008 kB
Buffers:        131216 kB
Cached:          69712 kB
SwapCached:      11368 kB
Active:         113104 kB
Inactive:       116080 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1746008 kB
SwapTotal:     4192956 kB
SwapFree:      4150044 kB
Dirty:            2396 kB
Writeback:           0 kB
Mapped:          33104 kB
Slab:            66304 kB
Committed_AS: 13699292 kB
PageTables:       1728 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264952 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66562 MiB

End job on node5 on Wed May  2 19:17:41 UTC 2007