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-mod013.opb
MD5SUMb964292d4197638ce79b3f213e8fe89b
Bench Categoryoptimization, medium integers (OPTMEDINT)
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 4696832
Optimality of the best value was proved NO
Number of terms in the objective function 1008
Biggest coefficient in the objective function 366477312
Number of bits for the biggest coefficient in the objective function 29
Sum of the numbers in the objective function 12643636975
Number of bits of the sum of numbers in the objective function 34
Biggest number in a constraint 366477312
Number of bits of the biggest number in a constraint 29
Biggest sum of numbers in a constraint 12643636975
Number of bits of the biggest sum of numbers34
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark1195.06
Number of variables1008
Total number of constraints110
Number of constraints which are clauses0
Number of constraints which are cardinality constraints (but not clauses)48
Number of constraints which are nor clauses,nor cardinality constraints62
Minimum length of a constraint1
Maximum length of a constraint160

Trace number 10383

Launcher Data

LAUNCH ON wulflinc11 THE 2005-09-23 18:00:52 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=9141 boxname=wulflinc11 idbench=937 idsolver=8 numberseed=0
MD5SUM SOLVER: 
MD5SUM BENCH:  b964292d4197638ce79b3f213e8fe89b  /oldhome/oroussel/tmp/wulflinc11/normalized-mps-v2-13-7-mod013.opb
REAL COMMAND:  pb2sat /oldhome/oroussel/tmp/wulflinc11/normalized-mps-v2-13-7-mod013.opb
IDLAUNCH: 9141
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 2
cpu MHz		: 451.045
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		: 451.045
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:        905600 kB
Buffers:          9652 kB
Cached:          94456 kB
SwapCached:          0 kB
Active:          56216 kB
Inactive:        57424 kB
HighTotal:      131008 kB
HighFree:        34356 kB
LowTotal:       903652 kB
LowFree:        871244 kB
SwapTotal:     2097136 kB
SwapFree:      2097136 kB
Dirty:              28 kB
Writeback:           0 kB
Mapped:           6980 kB
Slab:             9796 kB
Committed_AS:    63660 kB
PageTables:        328 kB
VmallocTotal:   114680 kB
VmallocUsed:      1364 kB
VmallocChunk:   113256 kB
JOB ENDED THE 2005-09-23 18:02:54 (client local time) WITH STATUS 1 IN 122.122 SECONDS
stats: 9141 7 122.122 1

Solver Data

c This solver internally uses Chaff 2004.11.15 Simplified
c running zchaff...
c got solution with objective value: 12172300
c big objective detected
c trying from 0 to 511
c CONFLICT during preprocess 
c trying from 512 to 1023
c CONFLICT during preprocess 
c trying from 1024 to 1535

	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/11166/stat): 11166 (pb2sat) R 11165 11166 4060 0 -1 0 18 0 0 0 0 0 0 0 24 0 1 0 22184384 1527808 2 4294967295 134512640 135987407 3221224560 3221224560 134512928 0 0 5 0 0 0 0 17 0 0 0
Raw data (/proc/11166/statm): 373 2 364 364 0 9 0
[pid=11166] vsize: 1492
open syscall for file /oldhome/oroussel/tmp/wulflinc11/normalized-mps-v2-13-7-mod013.opb

[startup+10.0017 s]
Raw data (loadavg): 0.93 0.95 0.90 2/55 11168
Raw data (/proc/11166/stat): 11166 (pb2sat) R 11165 11166 4060 0 -1 0 29593 0 0 0 920 71 0 0 25 0 1 0 22184384 96706560 18411 4294967295 134512640 135987407 3221224560 3220905080 134637789 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/11166/statm): 23610 18412 364 364 0 23246 0
[pid=11166] vsize: 94440
Current children cumulated CPU time (s) 9.91
Current children cumulated vsize (Kb) 94440

[startup+20.0025 s]
Raw data (loadavg): 0.94 0.96 0.91 2/55 11170
Raw data (/proc/11166/stat): 11166 (pb2sat) R 11165 11166 4060 0 -1 0 59268 0 0 0 1855 134 0 0 25 0 1 0 22184384 192397312 36862 4294967295 134512640 135987407 3221224560 3221183792 134856581 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/11166/statm): 46972 36862 364 364 0 46608 0
[pid=11166] vsize: 187888
Current children cumulated CPU time (s) 19.89
Current children cumulated vsize (Kb) 187888

[startup+30.0033 s]
Raw data (loadavg): 0.95 0.96 0.91 2/55 11172
Raw data (/proc/11166/stat): 11166 (pb2sat) R 11165 11166 4060 0 -1 0 94441 0 0 0 2780 203 0 0 25 0 1 0 22184384 311234560 61126 4294967295 134512640 135987407 3221224560 3221223280 134876414 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/11166/statm): 75985 61126 364 364 0 75621 0
[pid=11166] vsize: 303940
Current children cumulated CPU time (s) 29.83
Current children cumulated vsize (Kb) 303940

[startup+40.0031 s]
Raw data (loadavg): 0.95 0.96 0.91 2/55 11172
Raw data (/proc/11166/stat): 11166 (pb2sat) R 11165 11166 4060 0 -1 0 121584 0 0 0 3720 261 0 0 25 0 1 0 22184384 382111744 75772 4294967295 134512640 135987407 3221224560 3220885232 134537491 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/11166/statm): 93289 75772 364 364 0 92925 0
[pid=11166] vsize: 373156
Current children cumulated CPU time (s) 39.81
Current children cumulated vsize (Kb) 373156

[startup+50.0039 s]
Raw data (loadavg): 0.96 0.96 0.91 2/55 11172
Raw data (/proc/11166/stat): 11166 (pb2sat) R 11165 11166 4060 0 -1 0 131623 0 0 0 4699 282 0 0 25 0 1 0 22184384 386842624 85593 4294967295 134512640 135987407 3221224560 3220895788 134892728 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/11166/statm): 94444 85593 364 364 0 94080 0
[pid=11166] vsize: 377776
Current children cumulated CPU time (s) 49.81
Current children cumulated vsize (Kb) 377776

[startup+60.0046 s]
Raw data (loadavg): 0.97 0.96 0.91 2/55 11172
Raw data (/proc/11166/stat): 11166 (pb2sat) R 11165 11166 4060 0 -1 0 169784 0 0 0 5621 356 0 0 25 0 1 0 22184384 513568768 104131 4294967295 134512640 135987407 3221224560 3220876064 134878178 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/11166/statm): 125383 104131 364 364 0 125019 0
[pid=11166] vsize: 501532
Current children cumulated CPU time (s) 59.77
Current children cumulated vsize (Kb) 501532

[startup+70.0054 s]
Raw data (loadavg): 0.97 0.96 0.91 2/55 11172
Raw data (/proc/11166/stat): 11166 (pb2sat) R 11165 11166 4060 0 -1 0 183927 0 0 0 6589 386 0 0 25 0 1 0 22184384 554270720 118061 4294967295 134512640 135987407 3221224560 3221180204 134636980 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/11166/statm): 135320 118061 364 364 0 134956 0
[pid=11166] vsize: 541280
Current children cumulated CPU time (s) 69.75
Current children cumulated vsize (Kb) 541280

[startup+80.0062 s]
Raw data (loadavg): 0.98 0.96 0.91 2/55 11172
Raw data (/proc/11166/stat): 11166 (pb2sat) R 11165 11166 4060 0 -1 0 223334 0 0 0 7505 468 0 0 25 0 1 0 22184384 676696064 132694 4294967295 134512640 135987407 3221224560 3221222708 134562648 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/11166/statm): 165209 132694 364 364 0 164845 0
[pid=11166] vsize: 660836
Current children cumulated CPU time (s) 79.73
Current children cumulated vsize (Kb) 660836

[startup+90.006 s]
Raw data (loadavg): 0.98 0.96 0.91 2/55 11172
Raw data (/proc/11166/stat): 11166 (pb2sat) R 11165 11166 4060 0 -1 0 245726 0 0 0 8445 524 0 0 25 0 1 0 22184384 745742336 149044 4294967295 134512640 135987407 3221224560 3221222956 135481661 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/11166/statm): 182066 149044 364 364 0 181702 0
[pid=11166] vsize: 728264
Current children cumulated CPU time (s) 89.69
Current children cumulated vsize (Kb) 728264

[startup+100.007 s]
Raw data (loadavg): 0.98 0.96 0.91 2/55 11172
Raw data (/proc/11166/stat): 11166 (pb2sat) R 11165 11166 4060 0 -1 0 269707 0 0 0 9382 582 0 0 25 0 1 0 22184384 816705536 172884 4294967295 134512640 135987407 3221224560 3221147576 135486713 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/11166/statm): 199391 172884 364 364 0 199027 0
[pid=11166] vsize: 797564
Current children cumulated CPU time (s) 99.64
Current children cumulated vsize (Kb) 797564

[startup+110.008 s]
Raw data (loadavg): 0.98 0.96 0.91 2/55 11172
Raw data (/proc/11166/stat): 11166 (pb2sat) R 11165 11166 4060 0 -1 0 277461 0 0 0 10365 600 0 0 25 0 1 0 22184384 816705536 180438 4294967295 134512640 135987407 3221224560 3221052492 134677714 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/11166/statm): 199391 180438 364 364 0 199027 0
[pid=11166] vsize: 797564
Current children cumulated CPU time (s) 109.65
Current children cumulated vsize (Kb) 797564

[startup+120.008 s]
Raw data (loadavg): 0.99 0.97 0.91 2/55 11172
Raw data (/proc/11166/stat): 11166 (pb2sat) R 11165 11166 4060 0 -1 0 284575 0 0 0 11347 618 0 0 25 0 1 0 22184384 743153664 169469 4294967295 134512640 135987407 3221224560 3221222700 134883237 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/11166/statm): 181434 169469 364 364 0 181070 0
[pid=11166] vsize: 725736
Current children cumulated CPU time (s) 119.65
Current children cumulated vsize (Kb) 725736
One traced child (pid=11166) exited with status: 1
All traced children have exited ! Game is over.

Child status: 1
Real time (s): 122.476
CPU time (s): 122.122
CPU user time (s): 115.604
CPU system time (s): 6.51801
CPU usage (%): 99.711
Max. virtual memory (cumulated for all children) (Kb): 797564

Verifier Data

ERROR: no interpretation found !