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/ftp.netlib.org/lp/data/normalized-mps-v2-13-7-sctap2.opb
MD5SUMc56066a13a725fcc9c143db3d9f8cc06
Bench Categoryoptimization, medium integers (OPTMEDINT)
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 63774720
Optimality of the best value was proved NO
Number of terms in the objective function 28200
Biggest coefficient in the objective function 41943040
Number of bits for the biggest coefficient in the objective function 26
Sum of the numbers in the objective function 25763487750
Number of bits of the sum of numbers in the objective function 35
Biggest number in a constraint 41943040
Number of bits of the biggest number in a constraint 26
Biggest sum of numbers in a constraint 25763487750
Number of bits of the biggest sum of numbers35
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark1204.69
Number of variables37600
Total number of constraints1090
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 constraints1090
Minimum length of a constraint60
Maximum length of a constraint480

Trace number 10305

Launcher Data

LAUNCH ON wulflinc13 THE 2005-09-23 17:48:51 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=9055 boxname=wulflinc13 idbench=851 idsolver=8 numberseed=0
MD5SUM SOLVER: 
MD5SUM BENCH:  c56066a13a725fcc9c143db3d9f8cc06  /oldhome/oroussel/tmp/wulflinc13/normalized-mps-v2-13-7-sctap2.opb
REAL COMMAND:  pb2sat /oldhome/oroussel/tmp/wulflinc13/normalized-mps-v2-13-7-sctap2.opb
IDLAUNCH: 9055
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 2
cpu MHz		: 451.180
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		: 451.180
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:        964056 kB
Buffers:           536 kB
Cached:          52708 kB
SwapCached:          0 kB
Active:          18640 kB
Inactive:        37512 kB
HighTotal:      131008 kB
HighFree:        74004 kB
LowTotal:       903652 kB
LowFree:        890052 kB
SwapTotal:     2097136 kB
SwapFree:      2097136 kB
Dirty:              28 kB
Writeback:           0 kB
Mapped:           6980 kB
Slab:             8788 kB
Committed_AS:    63660 kB
PageTables:        328 kB
VmallocTotal:   114680 kB
VmallocUsed:      1364 kB
VmallocChunk:   113256 kB
JOB ENDED THE 2005-09-23 17:50:32 (client local time) WITH STATUS 0 IN 98.893 SECONDS
stats: 9055 7 98.893 0

Solver Data

c This solver internally uses Chaff 2004.11.15 Simplified
s UNKNOWN

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/9010/stat): 9010 (pb2sat) R 9009 9010 4060 0 -1 0 18 0 0 0 0 0 0 0 22 0 1 0 22110926 1527808 2 4294967295 134512640 135987407 3221224560 3221224560 134512928 0 0 5 0 0 0 0 17 0 0 0
Raw data (/proc/9010/statm): 373 2 364 364 0 9 0
[pid=9010] vsize: 1492
open syscall for file /oldhome/oroussel/tmp/wulflinc13/normalized-mps-v2-13-7-sctap2.opb

[startup+10.0016 s]
Raw data (loadavg): 0.91 0.95 0.95 2/55 9010
Raw data (/proc/9010/stat): 9010 (pb2sat) R 9009 9010 4060 0 -1 0 2564 0 0 0 994 4 0 0 25 0 1 0 22110926 9502720 1877 4294967295 134512640 135987407 3221224560 3221221872 134555859 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/9010/statm): 2320 1877 364 364 0 1956 0
[pid=9010] vsize: 9280
Current children cumulated CPU time (s) 9.98
Current children cumulated vsize (Kb) 9280

[startup+20.0023 s]
Raw data (loadavg): 0.93 0.95 0.95 2/55 9010
Raw data (/proc/9010/stat): 9010 (pb2sat) R 9009 9010 4060 0 -1 0 24710 0 0 0 1940 57 0 0 25 0 1 0 22110926 74649600 13507 4294967295 134512640 135987407 3221224560 3221197776 134639034 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/9010/statm): 18225 13507 364 364 0 17861 0
[pid=9010] vsize: 72900
Current children cumulated CPU time (s) 19.97
Current children cumulated vsize (Kb) 72900

[startup+30.004 s]
Raw data (loadavg): 0.94 0.95 0.95 2/55 9010
Raw data (/proc/9010/stat): 9010 (pb2sat) R 9009 9010 4060 0 -1 0 52725 0 0 0 2870 125 0 0 25 0 1 0 22110926 161157120 30275 4294967295 134512640 135987407 3221224560 3221191840 134559137 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/9010/statm): 39345 30275 364 364 0 38981 0
[pid=9010] vsize: 157380
Current children cumulated CPU time (s) 29.95
Current children cumulated vsize (Kb) 157380

[startup+40.0037 s]
Raw data (loadavg): 0.95 0.95 0.95 2/55 9010
Raw data (/proc/9010/stat): 9010 (pb2sat) R 9009 9010 4060 0 -1 0 93616 0 0 0 3778 215 0 0 25 0 1 0 22110926 278298624 48930 4294967295 134512640 135987407 3221224560 3221209984 134887889 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/9010/statm): 67944 48930 364 364 0 67580 0
[pid=9010] vsize: 271776
Current children cumulated CPU time (s) 39.93
Current children cumulated vsize (Kb) 271776

[startup+50.0043 s]
Raw data (loadavg): 0.95 0.95 0.95 2/55 9010
Raw data (/proc/9010/stat): 9010 (pb2sat) R 9009 9010 4060 0 -1 0 109295 0 0 0 4735 258 0 0 25 0 1 0 22110926 316313600 64341 4294967295 134512640 135987407 3221224560 3221197888 134887325 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/9010/statm): 77225 64341 364 364 0 76861 0
[pid=9010] vsize: 308900
Current children cumulated CPU time (s) 49.93
Current children cumulated vsize (Kb) 308900

[startup+60.005 s]
Raw data (loadavg): 0.96 0.95 0.95 2/55 9010
Raw data (/proc/9010/stat): 9010 (pb2sat) R 9009 9010 4060 0 -1 0 152107 0 0 0 5638 350 0 0 25 0 1 0 22110926 446148608 87509 4294967295 134512640 135987407 3221224560 3221201920 134887317 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/9010/statm): 108923 87509 364 364 0 108559 0
[pid=9010] vsize: 435692
Current children cumulated CPU time (s) 59.88
Current children cumulated vsize (Kb) 435692

[startup+70.0056 s]
Raw data (loadavg): 0.97 0.95 0.95 2/55 9010
Raw data (/proc/9010/stat): 9010 (pb2sat) R 9009 9010 4060 0 -1 0 189205 0 0 0 6557 431 0 0 25 0 1 0 22110926 583880704 99815 4294967295 134512640 135987407 3221224560 3221191936 134877708 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/9010/statm): 142549 99815 364 364 0 142185 0
[pid=9010] vsize: 570196
Current children cumulated CPU time (s) 69.88
Current children cumulated vsize (Kb) 570196

[startup+80.0063 s]
Raw data (loadavg): 0.97 0.95 0.95 2/55 9010
Raw data (/proc/9010/stat): 9010 (pb2sat) R 9009 9010 4060 0 -1 0 205701 0 0 0 7517 471 0 0 25 0 1 0 22110926 588476416 116027 4294967295 134512640 135987407 3221224560 3221210616 134635479 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/9010/statm): 143671 116027 364 364 0 143307 0
[pid=9010] vsize: 574684
Current children cumulated CPU time (s) 79.88
Current children cumulated vsize (Kb) 574684

[startup+90.007 s]
Raw data (loadavg): 0.97 0.96 0.95 2/55 9010
Raw data (/proc/9010/stat): 9010 (pb2sat) R 9009 9010 4060 0 -1 0 222749 0 0 0 8473 514 0 0 25 0 1 0 22110926 593342464 132782 4294967295 134512640 135987407 3221224560 3221198544 134558976 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/9010/statm): 144859 132782 364 364 0 144495 0
[pid=9010] vsize: 579436
Current children cumulated CPU time (s) 89.87
Current children cumulated vsize (Kb) 579436



Mem limit exceeded: sending SIGTERM then SIGKILL

[startup+98.6933 s]
Raw data (loadavg): 0.98 0.96 0.95 1/55 9010
Raw data (/proc/9010/stat): 9010 (pb2sat) T 9009 9010 4060 0 -1 0 239460 0 0 0 9303 551 0 0 25 0 1 0 22110926 943759360 149116 4294967295 134512640 135987407 3221224560 3221192716 135635874 0 0 5 16384 3222434794 0 0 17 0 0 0
Raw data (/proc/9010/statm): 230410 149116 364 364 0 230046 0
[pid=9010] vsize: 921640
Current children cumulated CPU time (s) 98.54
Current children cumulated vsize (Kb) 921640

Sending SIGTERM to -9010
Sleeping 2 seconds

[startup+100.007 s]
Raw data (loadavg): 0.98 0.96 0.95 1/56 9011
Raw data (/proc/9010/stat): 9010 (pb2sat) S 9009 9010 4060 0 -1 0 239461 0 0 0 9307 551 0 0 25 0 1 0 22110926 943759360 149117 4294967295 134512640 135987407 3221224560 3221191512 135549753 0 16384 5 16384 0 0 0 17 0 0 0
Raw data (/proc/9010/statm): 230410 149117 364 364 0 230046 0
[pid=9010] vsize: 921640
Current children cumulated CPU time (s) 98.58
Current children cumulated vsize (Kb) 921640
Sending SIGKILL to -9010
One traced child (pid=9010) ended because it received signal 9 (SIGKILL)
All traced children have exited ! Game is over.

Child ended because it received signal 9 (SIGKILL)
Real time (s): 101.004
CPU time (s): 98.893
CPU user time (s): 93.0739
CPU system time (s): 5.81912
CPU usage (%): 97.9095
Max. virtual memory (cumulated for all children) (Kb): 921640

Verifier Data

ERROR: no interpretation found !