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-v2-13-7/MIPLIB/miplib/normalized-mps-v2-13-7-air03.opb
MD5SUM45da6faf70c895e4acc43dda6a83b925
Bench Categoryoptimization, medium integers (OPTMEDINT)
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 234457
Optimality of the best value was proved NO
Number of terms in the objective function 10757
Biggest coefficient in the objective function 6873
Number of bits for the biggest coefficient in the objective function 13
Sum of the numbers in the objective function 13748961
Number of bits of the sum of numbers in the objective function 24
Biggest number in a constraint 6873
Number of bits of the biggest number in a constraint 13
Biggest sum of numbers in a constraint 13748961
Number of bits of the biggest sum of numbers24
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark1191.78
Number of variables10757
Total number of constraints10881
Number of constraints which are clauses0
Number of constraints which are cardinality constraints (but not clauses)10881
Number of constraints which are nor clauses,nor cardinality constraints0
Minimum length of a constraint1
Maximum length of a constraint3861

Trace number 10344

Launcher Data

LAUNCH ON wulflinc22 THE 2005-09-23 17:52:23 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=9084 boxname=wulflinc22 idbench=880 idsolver=8 numberseed=0
MD5SUM SOLVER: 
MD5SUM BENCH:  45da6faf70c895e4acc43dda6a83b925  /oldhome/oroussel/tmp/wulflinc22/normalized-mps-v2-13-7-air03.opb
REAL COMMAND:  pb2sat /oldhome/oroussel/tmp/wulflinc22/normalized-mps-v2-13-7-air03.opb
IDLAUNCH: 9084
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 3
cpu MHz		: 450.985
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	: 3
cpu MHz		: 450.985
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:        914832 kB
Buffers:         12444 kB
Cached:          89964 kB
SwapCached:          0 kB
Active:          49164 kB
Inactive:        56164 kB
HighTotal:      131008 kB
HighFree:        40684 kB
LowTotal:       903652 kB
LowFree:        874148 kB
SwapTotal:     2097892 kB
SwapFree:      2097892 kB
Dirty:              28 kB
Writeback:           0 kB
Mapped:           6980 kB
Slab:             8864 kB
Committed_AS:    63660 kB
PageTables:        328 kB
VmallocTotal:   114680 kB
VmallocUsed:      1368 kB
VmallocChunk:   113252 kB
JOB ENDED THE 2005-09-23 17:54:13 (client local time) WITH STATUS 1 IN 108.631 SECONDS
stats: 9084 7 108.631 1

Solver Data

c This solver internally uses Chaff 2004.11.15 Simplified
c running zchaff...
c got solution with objective value: 291404
c big objective detected
c trying from 0 to 511

	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/9274/stat): 9274 (pb2sat) R 9273 9274 4060 0 -1 0 18 0 0 0 0 0 0 0 22 0 1 0 22131234 1527808 2 4294967295 134512640 135987407 3221224560 3221224560 134512928 0 0 5 0 0 0 0 17 0 0 0
Raw data (/proc/9274/statm): 373 2 364 364 0 9 0
[pid=9274] vsize: 1492
open syscall for file /oldhome/oroussel/tmp/wulflinc22/normalized-mps-v2-13-7-air03.opb

[startup+10.0021 s]
Raw data (loadavg): 0.94 0.97 0.91 2/55 9274
Raw data (/proc/9274/stat): 9274 (pb2sat) R 9273 9274 4060 0 -1 0 13434 0 0 0 962 35 0 0 25 0 1 0 22131234 43196416 7873 4294967295 134512640 135987407 3221224560 3220861276 135499887 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/9274/statm): 10546 7873 364 364 0 10182 0
[pid=9274] vsize: 42184
Current children cumulated CPU time (s) 9.97
Current children cumulated vsize (Kb) 42184

[startup+20.0028 s]
Raw data (loadavg): 0.95 0.97 0.91 2/55 9274
Raw data (/proc/9274/stat): 9274 (pb2sat) R 9273 9274 4060 0 -1 0 32864 0 0 0 1910 85 0 0 25 0 1 0 22131234 133668864 21134 4294967295 134512640 135987407 3221224560 3219536048 134856568 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/9274/statm): 32634 21134 364 364 0 32270 0
[pid=9274] vsize: 130536
Current children cumulated CPU time (s) 19.95
Current children cumulated vsize (Kb) 130536

[startup+30.0036 s]
Raw data (loadavg): 0.95 0.97 0.91 2/55 9274
Raw data (/proc/9274/stat): 9274 (pb2sat) R 9273 9274 4060 0 -1 0 64407 0 0 0 2838 153 0 0 25 0 1 0 22131234 198569984 41437 4294967295 134512640 135987407 3221224560 3219378236 134637011 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/9274/statm): 48479 41437 364 364 0 48115 0
[pid=9274] vsize: 193916
Current children cumulated CPU time (s) 29.91
Current children cumulated vsize (Kb) 193916

[startup+40.0033 s]
Raw data (loadavg): 0.96 0.97 0.91 2/55 9274
Raw data (/proc/9274/stat): 9274 (pb2sat) R 9273 9274 4060 0 -1 0 105701 0 0 0 3743 245 0 0 25 0 1 0 22131234 327335936 60515 4294967295 134512640 135987407 3221224560 3220058896 134557147 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/9274/statm): 79916 60515 364 364 0 79552 0
[pid=9274] vsize: 319664
Current children cumulated CPU time (s) 39.88
Current children cumulated vsize (Kb) 319664

[startup+50.005 s]
Raw data (loadavg): 0.97 0.97 0.91 2/55 9274
Raw data (/proc/9274/stat): 9274 (pb2sat) R 9273 9274 4060 0 -1 0 123338 0 0 0 4704 283 0 0 25 0 1 0 22131234 386842624 77912 4294967295 134512640 135987407 3221224560 3220661632 134864496 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/9274/statm): 94444 77912 364 364 0 94080 0
[pid=9274] vsize: 377776
Current children cumulated CPU time (s) 49.87
Current children cumulated vsize (Kb) 377776

[startup+60.0057 s]
Raw data (loadavg): 0.97 0.97 0.91 2/55 9274
Raw data (/proc/9274/stat): 9274 (pb2sat) R 9273 9274 4060 0 -1 0 166073 0 0 0 5612 370 0 0 25 0 1 0 22131234 526544896 101024 4294967295 134512640 135987407 3221224560 3218114204 134637011 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/9274/statm): 128551 101024 364 364 0 128187 0
[pid=9274] vsize: 514204
Current children cumulated CPU time (s) 59.82
Current children cumulated vsize (Kb) 514204

[startup+70.0064 s]
Raw data (loadavg): 0.97 0.97 0.91 2/55 9274
Raw data (/proc/9274/stat): 9274 (pb2sat) R 9273 9274 4060 0 -1 0 184696 0 0 0 6570 409 0 0 25 0 1 0 22131234 553848832 119393 4294967295 134512640 135987407 3221224560 3218637296 134878060 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/9274/statm): 135217 119393 364 364 0 134853 0
[pid=9274] vsize: 540868
Current children cumulated CPU time (s) 69.79
Current children cumulated vsize (Kb) 540868

[startup+80.0071 s]
Raw data (loadavg): 0.98 0.97 0.91 2/55 9274
Raw data (/proc/9274/stat): 9274 (pb2sat) R 9273 9274 4060 0 -1 0 225000 0 0 0 7476 500 0 0 25 0 1 0 22131234 677490688 134906 4294967295 134512640 135987407 3221224560 3219759136 134556538 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/9274/statm): 165403 134906 364 364 0 165039 0
[pid=9274] vsize: 661612
Current children cumulated CPU time (s) 79.76
Current children cumulated vsize (Kb) 661612

[startup+90.0069 s]
Raw data (loadavg): 0.98 0.97 0.91 2/55 9274
Raw data (/proc/9274/stat): 9274 (pb2sat) R 9273 9274 4060 0 -1 0 240281 0 0 0 8440 534 0 0 25 0 1 0 22131234 733347840 149979 4294967295 134512640 135987407 3221224560 3220552928 134537479 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/9274/statm): 179040 149979 364 364 0 178676 0
[pid=9274] vsize: 716160
Current children cumulated CPU time (s) 89.74
Current children cumulated vsize (Kb) 716160

[startup+100.008 s]
Raw data (loadavg): 0.98 0.97 0.91 2/55 9274
Raw data (/proc/9274/stat): 9274 (pb2sat) R 9273 9274 4060 0 -1 0 259170 0 0 0 9393 579 0 0 25 0 1 0 22131234 762814464 168618 4294967295 134512640 135987407 3221224560 3219559216 134866195 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/9274/statm): 186234 168618 364 364 0 185870 0
[pid=9274] vsize: 744936
Current children cumulated CPU time (s) 99.72
Current children cumulated vsize (Kb) 744936
One traced child (pid=9274) exited with status: 1
All traced children have exited ! Game is over.

Child status: 1
Real time (s): 108.919
CPU time (s): 108.631
CPU user time (s): 102.411
CPU system time (s): 6.22005
CPU usage (%): 99.7363
Max. virtual memory (cumulated for all children) (Kb): 744936

Verifier Data

ERROR: no interpretation found !