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).
    Note that some very long lines in this section may be truncated by your web browser !
  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

Namemps-v2-20-10/MIPLIB/miplib2003/normalized-mps-v2-20-10-rout.opb
MD5SUM26f8714f5bbc8fb10d3a4aeb3a0f315a
Bench Categoryoptimization, big integers (OPTBIGINT)
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 1075335936
Optimality of the best value was proved NO
Number of terms in the objective function 31
Biggest coefficient in the objective function 1073741824
Number of bits for the biggest coefficient in the objective function 31
Sum of the numbers in the objective function 2147483647
Number of bits of the sum of numbers in the objective function 31
Biggest number in a constraint 26904326400
Number of bits of the biggest number in a constraint 35
Biggest sum of numbers in a constraint 81230087655
Number of bits of the biggest sum of numbers37
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark1195.16
Number of variables7561
Total number of constraints606
Number of constraints which are clauses0
Number of constraints which are cardinality constraints (but not clauses)314
Number of constraints which are nor clauses,nor cardinality constraints292
Minimum length of a constraint1
Maximum length of a constraint917

Trace number 10042

Launcher Data

LAUNCH ON wulflinc5 THE 2005-09-23 16:39:45 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=8801 boxname=wulflinc5 idbench=597 idsolver=8 numberseed=0
MD5SUM SOLVER: 
MD5SUM BENCH:  26f8714f5bbc8fb10d3a4aeb3a0f315a  /oldhome/oroussel/tmp/wulflinc5/normalized-mps-v2-20-10-rout.opb
REAL COMMAND:  pb2sat /oldhome/oroussel/tmp/wulflinc5/normalized-mps-v2-20-10-rout.opb
IDLAUNCH: 8801
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 2
cpu MHz		: 451.158
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		: 451.158
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	: 901.12

/proc/meminfo:
MemTotal:      1034660 kB
MemFree:        934840 kB
Buffers:         14984 kB
Cached:          66004 kB
SwapCached:          0 kB
Active:          44372 kB
Inactive:        39564 kB
HighTotal:      131008 kB
HighFree:        60956 kB
LowTotal:       903652 kB
LowFree:        873884 kB
SwapTotal:     2097136 kB
SwapFree:      2097136 kB
Dirty:              28 kB
Writeback:           0 kB
Mapped:           6976 kB
Slab:            10324 kB
Committed_AS:    63624 kB
PageTables:        328 kB
VmallocTotal:   114680 kB
VmallocUsed:      1364 kB
VmallocChunk:   113256 kB
JOB ENDED THE 2005-09-23 16:41:33 (client local time) WITH STATUS 1 IN 108.196 SECONDS
stats: 8801 7 108.196 1

Solver Data

c This solver internally uses Chaff 2004.11.15 Simplified

	Unexpected exception :
	St9bad_alloc

Watcher Data

Enforcing CPU limit (will send SIGTERM then SIGKILL): 1200 seconds
Enforcing CPUTime (will send SIGXCPU) limit: 1230 seconds
Enforcing Stack size limit: 67108864 bytes
Enforcing memory limit (will send SIGTERM then SIGKILL): 921600 Kb
Enforcing VSIZE limit: 994918400 bytes
Current StackSize limit: 67108864 bytes
Raw data (/proc/9006/stat): 9006 (pb2sat) R 9005 9006 4060 0 -1 0 18 0 0 0 0 0 0 0 24 0 1 0 21712733 1527808 2 4294967295 134512640 135987407 3221224560 3221224560 134512928 0 0 5 0 0 0 0 17 0 0 0
Raw data (/proc/9006/statm): 373 2 364 364 0 9 0
[pid=9006] vsize: 1492
open syscall for file /oldhome/oroussel/tmp/wulflinc5/normalized-mps-v2-20-10-rout.opb

[startup+10.002 s]
Raw data (loadavg): 0.91 0.94 0.94 2/55 9006
Raw data (/proc/9006/stat): 9006 (pb2sat) R 9005 9006 4060 0 -1 0 31950 0 0 0 925 69 0 0 25 0 1 0 21712733 100663296 20790 4294967295 134512640 135987407 3221224560 3221110412 134637002 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/9006/statm): 24576 20790 364 364 0 24212 0
[pid=9006] vsize: 98304
Current children cumulated CPU time (s) 9.94
Current children cumulated vsize (Kb) 98304

[startup+20.0028 s]
Raw data (loadavg): 0.93 0.94 0.94 2/55 9006
Raw data (/proc/9006/stat): 9006 (pb2sat) R 9005 9006 4060 0 -1 0 63118 0 0 0 1860 132 0 0 25 0 1 0 21712733 198533120 40731 4294967295 134512640 135987407 3221224560 3221122064 134856377 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/9006/statm): 48470 40731 364 364 0 48106 0
[pid=9006] vsize: 193880
Current children cumulated CPU time (s) 19.92
Current children cumulated vsize (Kb) 193880

[startup+30.0035 s]
Raw data (loadavg): 0.94 0.94 0.94 2/55 9006
Raw data (/proc/9006/stat): 9006 (pb2sat) R 9005 9006 4060 0 -1 0 105743 0 0 0 2770 220 0 0 25 0 1 0 21712733 331026432 61150 4294967295 134512640 135987407 3221224560 3221134216 134861698 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/9006/statm): 80817 61150 364 364 0 80453 0
[pid=9006] vsize: 323268
Current children cumulated CPU time (s) 29.9
Current children cumulated vsize (Kb) 323268

[startup+40.0033 s]
Raw data (loadavg): 0.95 0.94 0.94 2/55 9006
Raw data (/proc/9006/stat): 9006 (pb2sat) R 9005 9006 4060 0 -1 0 124086 0 0 0 3734 254 0 0 25 0 1 0 21712733 391884800 79279 4294967295 134512640 135987407 3221224560 3221141168 134855001 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/9006/statm): 95675 79279 364 364 0 95311 0
[pid=9006] vsize: 382700
Current children cumulated CPU time (s) 39.88
Current children cumulated vsize (Kb) 382700

[startup+50.003 s]
Raw data (loadavg): 0.95 0.94 0.94 2/55 9006
Raw data (/proc/9006/stat): 9006 (pb2sat) R 9005 9006 4060 0 -1 0 168357 0 0 0 4638 344 0 0 25 0 1 0 21712733 603664384 122350 4294967295 134512640 135987407 3221224560 3221135568 134861431 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/9006/statm): 147379 122350 364 364 0 147015 0
[pid=9006] vsize: 589516
Current children cumulated CPU time (s) 49.82
Current children cumulated vsize (Kb) 589516

[startup+60.0038 s]
Raw data (loadavg): 0.96 0.94 0.94 2/55 9006
Raw data (/proc/9006/stat): 9006 (pb2sat) R 9005 9006 4060 0 -1 0 208946 0 0 0 5540 440 0 0 25 0 1 0 21712733 656822272 119734 4294967295 134512640 135987407 3221224560 3221123584 134559106 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/9006/statm): 160357 119734 364 364 0 159993 0
[pid=9006] vsize: 641428
Current children cumulated CPU time (s) 59.8
Current children cumulated vsize (Kb) 641428

[startup+70.0045 s]
Raw data (loadavg): 0.97 0.94 0.94 2/55 9006
Raw data (/proc/9006/stat): 9006 (pb2sat) R 9005 9006 4060 0 -1 0 225096 0 0 0 6505 473 0 0 25 0 1 0 21712733 712679424 135681 4294967295 134512640 135987407 3221224560 3221155376 134878366 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/9006/statm): 173994 135681 364 364 0 173630 0
[pid=9006] vsize: 695976
Current children cumulated CPU time (s) 69.78
Current children cumulated vsize (Kb) 695976

[startup+80.0053 s]
Raw data (loadavg): 0.97 0.95 0.94 2/55 9006
Raw data (/proc/9006/stat): 9006 (pb2sat) R 9005 9006 4060 0 -1 0 244641 0 0 0 7466 509 0 0 25 0 1 0 21712733 742907904 154999 4294967295 134512640 135987407 3221224560 3221146928 134856407 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/9006/statm): 181374 154999 364 364 0 181010 0
[pid=9006] vsize: 725496
Current children cumulated CPU time (s) 79.75
Current children cumulated vsize (Kb) 725496

[startup+90.005 s]
Raw data (loadavg): 0.98 0.95 0.94 2/55 9006
Raw data (/proc/9006/stat): 9006 (pb2sat) R 9005 9006 4060 0 -1 0 263604 0 0 0 8425 547 0 0 25 0 1 0 21712733 770904064 173743 4294967295 134512640 135987407 3221224560 3221137468 135499903 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/9006/statm): 188209 173743 364 364 0 187845 0
[pid=9006] vsize: 752836
Current children cumulated CPU time (s) 89.72
Current children cumulated vsize (Kb) 752836

[startup+100.005 s]
Raw data (loadavg): 0.98 0.95 0.94 2/55 9006
Raw data (/proc/9006/stat): 9006 (pb2sat) R 9005 9006 4060 0 -1 0 278080 0 0 0 9395 575 0 0 25 0 1 0 21712733 842076160 188051 4294967295 134512640 135987407 3221224560 3221129268 135479887 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/9006/statm): 205585 188051 364 364 0 205221 0
[pid=9006] vsize: 822340
Current children cumulated CPU time (s) 99.7
Current children cumulated vsize (Kb) 822340
One traced child (pid=9006) exited with status: 1
All traced children have exited ! Game is over.

Child status: 1
Real time (s): 108.498
CPU time (s): 108.196
CPU user time (s): 102.019
CPU system time (s): 6.17606
CPU usage (%): 99.7217
Max. virtual memory (cumulated for all children) (Kb): 822340

Verifier Data

ERROR: no interpretation found !