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 in four parts:
  1. 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 provide some useful information on the computer.
  2. SOLVER DATA
    This is the output of the solver (stdout and stderr).
  3. 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 1200 seconds. 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 1230 seconds which will send a SIGXPU to the solver. The last limit is on the virtual memory used by the process (900Mb).
    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.
  4. 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.

General information on the benchmark

Namenormalized-opb/mps-v2-13-7/MIPLIB/miplib/normalized-mps-v2-13-7-mod008.opb
MD5SUMfbdb3cf321a85412feefcaac30780520
Bench Categoryoptimization, small integers (OPTSMALLINT)
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 307
Optimality of the best value was proved NO
Number of terms in the objective function 319
Biggest coefficient in the objective function 87
Number of bits for the biggest coefficient in the objective function 7
Sum of the numbers in the objective function 23554
Number of bits of the sum of numbers in the objective function 15
Biggest number in a constraint 22000
Number of bits of the biggest number in a constraint 15
Biggest sum of numbers in a constraint 1027256
Number of bits of the biggest sum of numbers20
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark1.01684
Number of variables319
Total number of constraints325
Number of constraints which are clauses0
Number of constraints which are cardinality constraints (but not clauses)319
Number of constraints which are nor clauses,nor cardinality constraints6
Minimum length of a constraint1
Maximum length of a constraint231

Trace number 35546 

#### BEGIN LAUNCHER DATA ####
LAUNCH ON wulflinc12 THE 2005-05-28 13:22:49 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=24838 boxname=wulflinc12 idbench=1310 idsolver=17 numberseed=0
MD5SUM SOLVER: 
MD5SUM BENCH:  fbdb3cf321a85412feefcaac30780520  /oldhome/oroussel/tmp/wulflinc12/normalized-mps-v2-13-7-mod008.opb
REAL COMMAND:  pb2sat /oldhome/oroussel/tmp/wulflinc12/normalized-mps-v2-13-7-mod008.opb
IDLAUNCH: 24838
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 2
cpu MHz		: 451.091
cache size	: 512 KB
fdiv_bug	: no
hlt_bug		: no
f00f_bug	: no
coma_bug	: no
fpu		: yes
fpu_exception	: yes
cpuid level	: 2
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 mmx fxsr sse
bogomips	: 888.83

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 2
cpu MHz		: 451.091
cache size	: 512 KB
fdiv_bug	: no
hlt_bug		: no
f00f_bug	: no
coma_bug	: no
fpu		: yes
fpu_exception	: yes
cpuid level	: 2
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 mmx fxsr sse
bogomips	: 899.07

/proc/meminfo:
MemTotal:      1034660 kB
MemFree:        748616 kB
Buffers:         36048 kB
Cached:         214260 kB
SwapCached:        340 kB
Active:          21096 kB
Inactive:       240996 kB
HighTotal:      131008 kB
HighFree:        91588 kB
LowTotal:       903652 kB
LowFree:        657028 kB
SwapTotal:     2097136 kB
SwapFree:      2096008 kB
Dirty:              28 kB
Writeback:           0 kB
Mapped:           5380 kB
Slab:            18180 kB
Committed_AS:    63604 kB
PageTables:        316 kB
VmallocTotal:   114680 kB
VmallocUsed:      1364 kB
VmallocChunk:   113256 kB
JOB ENDED THE 2005-05-28 13:24:36 (client local time) WITH STATUS 1 IN 106.486 SECONDS
stats: 24838 7 106.486 1
#### END LAUNCHER DATA ####
#### BEGIN SOLVER DATA ####
c This solver internally uses Chaff 2004.11.15 Simplified

	Unexpected exception :
	St9bad_alloc
#### END SOLVER DATA ####
#### BEGIN WATCHER DATA ####
Enforcing CPU limit (will send SIGTERM then SIGKILL): 1200 seconds
Enforcing CPUTime (will send SIGXCPU) limit: 1230 seconds
Enforcing VSIZE limit: 943718400 bytes
Enforcing Stack size limit: 67108864 bytes
Current StackSize limit: 67108864 bytes
Raw data (loadavg): 0.90 0.95 0.90 2/54 12927
Raw data (stat): 12927 (runsolver) R 12926 32284 32283 0 -1 64 8 0 0 0 0 0 0 0 19 0 1 0 806901983 884736 94 4294967295 134512640 135332820 3221224464 3221219644 135092226 0 2147483391 7 90112 0 0 0 17 1 0 0
Raw data (statm): 216 94 205 205 0 11 0
vsize: 864
[startup+10.0001 s]
Raw data (loadavg): 0.92 0.95 0.90 2/54 12927
Raw data (stat): 12927 (pb2sat) R 12926 32284 32283 0 -1 0 29707 0 0 0 931 67 0 0 25 0 1 0 806901983 89190400 18571 4294967295 134512640 135726644 3221224576 3221203264 134767123 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 21775 18571 300 300 0 21475 0
vsize: 87100
[startup+20.0013 s]
Raw data (loadavg): 0.93 0.95 0.91 2/54 12927
Raw data (stat): 12927 (pb2sat) R 12926 32284 32283 0 -1 0 59171 0 0 0 1871 127 0 0 25 0 1 0 806901983 176230400 36813 4294967295 134512640 135726644 3221224576 3221152464 134767136 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 43025 36813 300 300 0 42725 0
vsize: 172100
[startup+30.0018 s]
Raw data (loadavg): 0.94 0.95 0.91 2/54 12927
Raw data (stat): 12927 (pb2sat) R 12926 32284 32283 0 -1 0 99165 0 0 0 2788 210 0 0 25 0 1 0 806901983 332873728 54622 4294967295 134512640 135726644 3221224576 3221145504 134810271 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 81268 54624 300 300 0 80968 0
vsize: 325072
[startup+40.0026 s]
Raw data (loadavg): 0.95 0.95 0.91 2/54 12927
Raw data (stat): 12927 (pb2sat) R 12926 32284 32283 0 -1 0 117823 0 0 0 3750 248 0 0 25 0 1 0 806901983 349634560 73025 4294967295 134512640 135726644 3221224576 3221167664 134767049 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 85360 73025 300 300 0 85060 0
vsize: 341440
[startup+50.0038 s]
Raw data (loadavg): 0.96 0.95 0.91 2/54 12927
Raw data (stat): 12927 (pb2sat) R 12926 32284 32283 0 -1 0 163699 0 0 0 4668 331 0 0 25 0 1 0 806901983 563748864 117701 4294967295 134512640 135726644 3221224576 3221168960 134772474 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 137634 117701 300 300 0 137334 0
vsize: 550536
[startup+60.0034 s]
Raw data (loadavg): 0.96 0.95 0.91 2/54 12927
Raw data (stat): 12927 (pb2sat) R 12926 32284 32283 0 -1 0 196898 0 0 0 5594 405 0 0 25 0 1 0 806901983 622460928 107735 4294967295 134512640 135726644 3221224576 3221149600 134780450 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 151968 107735 300 300 0 151668 0
vsize: 607872
[startup+70.0042 s]
Raw data (loadavg): 0.97 0.95 0.91 2/54 12927
Raw data (stat): 12927 (pb2sat) R 12926 32284 32283 0 -1 0 212900 0 0 0 6560 439 0 0 25 0 1 0 806901983 630706176 123487 4294967295 134512640 135726644 3221224576 3221133280 134782972 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 153981 123487 300 300 0 153681 0
vsize: 615924
[startup+80.0054 s]
Raw data (loadavg): 0.97 0.95 0.91 2/54 12927
Raw data (stat): 12927 (pb2sat) R 12926 32284 32283 0 -1 0 234268 0 0 0 7517 482 0 0 25 0 1 0 806901983 661389312 144607 4294967295 134512640 135726644 3221224576 3221166456 135282351 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 161472 144607 300 300 0 161172 0
vsize: 645888
[startup+90.0059 s]
Raw data (loadavg): 0.98 0.95 0.91 2/54 12927
Raw data (stat): 12927 (pb2sat) R 12926 32284 32283 0 -1 0 251682 0 0 0 8482 518 0 0 25 0 1 0 806901983 736591872 161818 4294967295 134512640 135726644 3221224576 3221192080 134782642 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 179832 161818 300 300 0 179532 0
vsize: 719328
[startup+100.006 s]
Raw data (loadavg): 0.98 0.95 0.91 2/54 12927
Raw data (stat): 12927 (pb2sat) R 12926 32284 32283 0 -1 0 266263 0 0 0 9452 548 0 0 25 0 1 0 806901983 758456320 176230 4294967295 134512640 135726644 3221224576 3221223040 134732753 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 185170 176230 300 300 0 184870 0
vsize: 740680
[startup+106.487 s]
Raw data (loadavg): 0.98 0.96 0.91 1/53 12927
Raw data (stat): 12927 (pb2sat) R 12926 32284 32283 0 -1 0 266263 0 0 0 9452 548 0 0 25 0 1 0 806901983 758456320 176230 4294967295 134512640 135726644 3221224576 3221223040 134732753 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 185170 176230 300 300 0 184870 0
vsize: 0

Child status: 1
Real time (s): 106.486
CPU time (s): 106.486
CPU user time (s): 100.646
CPU system time (s): 5.84011
CPU usage (%): 99.9995
Max. virtual memory (Kb): 740680
#### END WATCHER DATA ####
#### BEGIN VERIFIER DATA ####
ERROR: no interpretation found !
#### END VERIFIER DATA ####