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/miplib/normalized-mps-v2-20-10-misc07.opb
MD5SUMf204f0495d2a5caf7ce1d50b166e58a2
Bench Categoryoptimization, big integers (OPTBIGINT)
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 1076618240
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 1073741824
Number of bits of the biggest number in a constraint 31
Biggest sum of numbers in a constraint 3287948287
Number of bits of the biggest sum of numbers32
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark1195.14
Number of variables290
Total number of constraints471
Number of constraints which are clauses127
Number of constraints which are cardinality constraints (but not clauses)272
Number of constraints which are nor clauses,nor cardinality constraints72
Minimum length of a constraint1
Maximum length of a constraint263

Trace number 9970

Launcher Data

LAUNCH ON wulflinc11 THE 2005-09-23 16:18:58 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=8727 boxname=wulflinc11 idbench=523 idsolver=8 numberseed=0
MD5SUM SOLVER: 
MD5SUM BENCH:  f204f0495d2a5caf7ce1d50b166e58a2  /oldhome/oroussel/tmp/wulflinc11/normalized-mps-v2-20-10-misc07.opb
REAL COMMAND:  pb2sat /oldhome/oroussel/tmp/wulflinc11/normalized-mps-v2-20-10-misc07.opb
IDLAUNCH: 8727
/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:        910048 kB
Buffers:          8924 kB
Cached:          90696 kB
SwapCached:          0 kB
Active:          56100 kB
Inactive:        53060 kB
HighTotal:      131008 kB
HighFree:        38052 kB
LowTotal:       903652 kB
LowFree:        871996 kB
SwapTotal:     2097136 kB
SwapFree:      2097136 kB
Dirty:              28 kB
Writeback:           0 kB
Mapped:           6980 kB
Slab:             9852 kB
Committed_AS:    63624 kB
PageTables:        328 kB
VmallocTotal:   114680 kB
VmallocUsed:      1364 kB
VmallocChunk:   113256 kB
JOB ENDED THE 2005-09-23 16:20:46 (client local time) WITH STATUS 1 IN 106.961 SECONDS
stats: 8727 7 106.961 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/9600/stat): 9600 (pb2sat) R 9599 9600 4060 0 -1 0 18 0 0 0 0 0 0 0 24 0 1 0 21572966 1527808 2 4294967295 134512640 135987407 3221224560 3221224560 134512928 0 0 5 0 0 0 0 17 1 0 0
Raw data (/proc/9600/statm): 373 2 364 364 0 9 0
[pid=9600] vsize: 1492
open syscall for file /oldhome/oroussel/tmp/wulflinc11/normalized-mps-v2-20-10-misc07.opb

[startup+10.0022 s]
Raw data (loadavg): 0.91 0.93 0.90 2/55 9600
Raw data (/proc/9600/stat): 9600 (pb2sat) R 9599 9600 4060 0 -1 0 32184 0 0 0 923 73 0 0 25 0 1 0 21572966 99594240 21035 4294967295 134512640 135987407 3221224560 3221207516 134637002 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/9600/statm): 24315 21035 364 364 0 23951 0
[pid=9600] vsize: 97260
Current children cumulated CPU time (s) 9.96
Current children cumulated vsize (Kb) 97260

[startup+20.004 s]
Raw data (loadavg): 0.92 0.94 0.91 2/55 9600
Raw data (/proc/9600/stat): 9600 (pb2sat) R 9599 9600 4060 0 -1 0 63757 0 0 0 1856 138 0 0 25 0 1 0 21572966 196231168 41388 4294967295 134512640 135987407 3221224560 3221149056 134640484 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/9600/statm): 47908 41388 364 364 0 47544 0
[pid=9600] vsize: 191632
Current children cumulated CPU time (s) 19.94
Current children cumulated vsize (Kb) 191632

[startup+30.0048 s]
Raw data (loadavg): 0.93 0.94 0.91 2/55 9600
Raw data (/proc/9600/stat): 9600 (pb2sat) R 9599 9600 4060 0 -1 0 106466 0 0 0 2764 226 0 0 25 0 1 0 21572966 362201088 61904 4294967295 134512640 135987407 3221224560 3221164016 134877708 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/9600/statm): 88428 61904 364 364 0 88064 0
[pid=9600] vsize: 353712
Current children cumulated CPU time (s) 29.9
Current children cumulated vsize (Kb) 353712

[startup+40.0046 s]
Raw data (loadavg): 0.94 0.94 0.91 2/55 9600
Raw data (/proc/9600/stat): 9600 (pb2sat) R 9599 9600 4060 0 -1 0 126076 0 0 0 3722 267 0 0 25 0 1 0 21572966 388423680 81282 4294967295 134512640 135987407 3221224560 3221208364 135499903 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/9600/statm): 94830 81282 364 364 0 94466 0
[pid=9600] vsize: 379320
Current children cumulated CPU time (s) 39.89
Current children cumulated vsize (Kb) 379320

[startup+50.0054 s]
Raw data (loadavg): 0.95 0.94 0.91 2/55 9600
Raw data (/proc/9600/stat): 9600 (pb2sat) R 9599 9600 4060 0 -1 0 165552 0 0 0 4644 340 0 0 25 0 1 0 21572966 590237696 119779 4294967295 134512640 135987407 3221224560 3221195984 134856487 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/9600/statm): 144101 119779 364 364 0 143737 0
[pid=9600] vsize: 576404
Current children cumulated CPU time (s) 49.84
Current children cumulated vsize (Kb) 576404

[startup+60.0052 s]
Raw data (loadavg): 0.96 0.94 0.91 2/55 9600
Raw data (/proc/9600/stat): 9600 (pb2sat) R 9599 9600 4060 0 -1 0 211824 0 0 0 5545 437 0 0 25 0 1 0 21572966 686268416 122641 4294967295 134512640 135987407 3221224560 3221211392 134877634 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/9600/statm): 167546 122641 364 364 0 167182 0
[pid=9600] vsize: 670184
Current children cumulated CPU time (s) 59.82
Current children cumulated vsize (Kb) 670184

[startup+70.006 s]
Raw data (loadavg): 0.96 0.94 0.91 2/55 9600
Raw data (/proc/9600/stat): 9600 (pb2sat) R 9599 9600 4060 0 -1 0 229105 0 0 0 6507 472 0 0 25 0 1 0 21572966 708706304 139714 4294967295 134512640 135987407 3221224560 3221179300 134637037 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/9600/statm): 173024 139714 364 364 0 172660 0
[pid=9600] vsize: 692096
Current children cumulated CPU time (s) 69.79
Current children cumulated vsize (Kb) 692096

[startup+80.0068 s]
Raw data (loadavg): 0.97 0.94 0.91 2/55 9600
Raw data (/proc/9600/stat): 9600 (pb2sat) R 9599 9600 4060 0 -1 0 248621 0 0 0 7467 510 0 0 25 0 1 0 21572966 733982720 158995 4294967295 134512640 135987407 3221224560 3221189884 135499874 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/9600/statm): 179195 158995 364 364 0 178831 0
[pid=9600] vsize: 716780
Current children cumulated CPU time (s) 79.77
Current children cumulated vsize (Kb) 716780

[startup+90.0075 s]
Raw data (loadavg): 0.97 0.95 0.91 2/55 9600
Raw data (/proc/9600/stat): 9600 (pb2sat) R 9599 9600 4060 0 -1 0 264369 0 0 0 8436 539 0 0 25 0 1 0 21572966 804589568 174554 4294967295 134512640 135987407 3221224560 3221172436 134865975 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/9600/statm): 196433 174554 364 364 0 196069 0
[pid=9600] vsize: 785732
Current children cumulated CPU time (s) 89.75
Current children cumulated vsize (Kb) 785732

[startup+100.008 s]
Raw data (loadavg): 0.98 0.95 0.91 2/55 9600
Raw data (/proc/9600/stat): 9600 (pb2sat) R 9599 9600 4060 0 -1 0 283386 0 0 0 9394 579 0 0 25 0 1 0 21572966 830238720 193343 4294967295 134512640 135987407 3221224560 3221222724 135478476 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/9600/statm): 202695 193343 364 364 0 202331 0
[pid=9600] vsize: 810780
Current children cumulated CPU time (s) 99.73
Current children cumulated vsize (Kb) 810780
One traced child (pid=9600) exited with status: 1
All traced children have exited ! Game is over.

Child status: 1
Real time (s): 107.235
CPU time (s): 106.961
CPU user time (s): 100.768
CPU system time (s): 6.19306
CPU usage (%): 99.7442
Max. virtual memory (cumulated for all children) (Kb): 810780

Verifier Data

ERROR: no interpretation found !