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/ftp.netlib.org/lp/data/normalized-mps-v2-20-10-boeing1.opb
MD5SUM0ab24c5b60e18c0be832cc4080b37d61
Bench Categoryoptimization, big integers (OPTBIGINT)
Has Objective FunctionYES
Satisfiable
(Un)Satisfiability was proved
Best value of the objective function
Optimality of the best value was proved
Number of terms in the objective function 6523
Biggest coefficient in the objective function 24535000678400
Number of bits for the biggest coefficient in the objective function 45
Sum of the numbers in the objective function 1761916844753634
Number of bits of the sum of numbers in the objective function 51
Biggest number in a constraint 4102681610158080
Number of bits of the biggest number in a constraint 52
Biggest sum of numbers in a constraint 384599747612655519
Number of bits of the biggest sum of numbers59
Best result obtained on this benchmark
Best CPU time to get the best result obtained on this benchmark
Number of variables8869
Total number of constraints593
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 constraints593
Minimum length of a constraint11
Maximum length of a constraint6849

Trace number 9864

Launcher Data

LAUNCH ON wulflinc3 THE 2005-09-23 16:02:30 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=8618 boxname=wulflinc3 idbench=414 idsolver=8 numberseed=0
MD5SUM SOLVER: 
MD5SUM BENCH:  0ab24c5b60e18c0be832cc4080b37d61  /oldhome/oroussel/tmp/wulflinc3/normalized-mps-v2-20-10-boeing1.opb
REAL COMMAND:  pb2sat /oldhome/oroussel/tmp/wulflinc3/normalized-mps-v2-20-10-boeing1.opb
IDLAUNCH: 8618
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 2
cpu MHz		: 451.228
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		: 451.228
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:        935980 kB
Buffers:         12672 kB
Cached:          68588 kB
SwapCached:          0 kB
Active:          45884 kB
Inactive:        38272 kB
HighTotal:      131008 kB
HighFree:        58128 kB
LowTotal:       903652 kB
LowFree:        877852 kB
SwapTotal:     2097136 kB
SwapFree:      2097136 kB
Dirty:              28 kB
Writeback:           0 kB
Mapped:           6980 kB
Slab:             8888 kB
Committed_AS:    63660 kB
PageTables:        328 kB
VmallocTotal:   114680 kB
VmallocUsed:      1364 kB
VmallocChunk:   113256 kB
JOB ENDED THE 2005-09-23 16:04:20 (client local time) WITH STATUS 1 IN 109.628 SECONDS
stats: 8618 7 109.628 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/8340/stat): 8340 (pb2sat) R 8339 8340 4060 0 -1 0 18 0 0 0 0 0 0 0 23 0 1 0 21490527 1527808 2 4294967295 134512640 135987407 3221224560 3221224560 134512928 0 0 5 0 0 0 0 17 0 0 0
Raw data (/proc/8340/statm): 373 2 364 364 0 9 0
[pid=8340] vsize: 1492
open syscall for file /oldhome/oroussel/tmp/wulflinc3/normalized-mps-v2-20-10-boeing1.opb

[startup+10.002 s]
Raw data (loadavg): 0.99 0.97 0.94 2/55 8340
Raw data (/proc/8340/stat): 8340 (pb2sat) R 8339 8340 4060 0 -1 0 27760 0 0 0 935 61 0 0 25 0 1 0 21490527 90869760 16630 4294967295 134512640 135987407 3221224560 3220512204 135480551 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/8340/statm): 22185 16630 364 364 0 21821 0
[pid=8340] vsize: 88740
Current children cumulated CPU time (s) 9.96
Current children cumulated vsize (Kb) 88740

[startup+20.0028 s]
Raw data (loadavg): 0.99 0.97 0.94 2/55 8340
Raw data (/proc/8340/stat): 8340 (pb2sat) R 8339 8340 4060 0 -1 0 58191 0 0 0 1869 123 0 0 25 0 1 0 21490527 187875328 35840 4294967295 134512640 135987407 3221224560 3220515760 134537491 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/8340/statm): 45868 35840 364 364 0 45504 0
[pid=8340] vsize: 183472
Current children cumulated CPU time (s) 19.92
Current children cumulated vsize (Kb) 183472

[startup+30.0037 s]
Raw data (loadavg): 0.99 0.97 0.94 2/55 8340
Raw data (/proc/8340/stat): 8340 (pb2sat) R 8339 8340 4060 0 -1 0 89155 0 0 0 2807 182 0 0 25 0 1 0 21490527 271511552 56860 4294967295 134512640 135987407 3221224560 3220514380 134637002 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/8340/statm): 66287 56860 364 364 0 65923 0
[pid=8340] vsize: 265148
Current children cumulated CPU time (s) 29.89
Current children cumulated vsize (Kb) 265148

[startup+40.0035 s]
Raw data (loadavg): 0.99 0.97 0.94 2/55 8340
Raw data (/proc/8340/stat): 8340 (pb2sat) R 8339 8340 4060 0 -1 0 117559 0 0 0 3742 244 0 0 25 0 1 0 21490527 379969536 72778 4294967295 134512640 135987407 3221224560 3220513372 134637002 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/8340/statm): 92766 72778 364 364 0 92402 0
[pid=8340] vsize: 371064
Current children cumulated CPU time (s) 39.86
Current children cumulated vsize (Kb) 371064

[startup+50.0044 s]
Raw data (loadavg): 0.99 0.97 0.94 2/55 8340
Raw data (/proc/8340/stat): 8340 (pb2sat) R 8339 8340 4060 0 -1 0 137613 0 0 0 4700 284 0 0 25 0 1 0 21490527 552591360 92552 4294967295 134512640 135987407 3221224560 3220519584 134854972 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/8340/statm): 134910 92552 364 364 0 134546 0
[pid=8340] vsize: 539640
Current children cumulated CPU time (s) 49.84
Current children cumulated vsize (Kb) 539640

[startup+60.0042 s]
Raw data (loadavg): 0.99 0.97 0.94 2/55 8340
Raw data (/proc/8340/stat): 8340 (pb2sat) R 8339 8340 4060 0 -1 0 178315 0 0 0 5618 362 0 0 25 0 1 0 21490527 544735232 113549 4294967295 134512640 135987407 3221224560 3220513920 134865868 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/8340/statm): 132992 113549 364 364 0 132628 0
[pid=8340] vsize: 531968
Current children cumulated CPU time (s) 59.8
Current children cumulated vsize (Kb) 531968

[startup+70.006 s]
Raw data (loadavg): 0.99 0.97 0.94 2/55 8340
Raw data (/proc/8340/stat): 8340 (pb2sat) R 8339 8340 4060 0 -1 0 218133 0 0 0 6529 449 0 0 25 0 1 0 21490527 666619904 128598 4294967295 134512640 135987407 3221224560 3220514380 134637002 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/8340/statm): 162749 128598 364 364 0 162385 0
[pid=8340] vsize: 650996
Current children cumulated CPU time (s) 69.78
Current children cumulated vsize (Kb) 650996

[startup+80.0069 s]
Raw data (loadavg): 0.99 0.97 0.94 2/55 8340
Raw data (/proc/8340/stat): 8340 (pb2sat) R 8339 8340 4060 0 -1 0 233706 0 0 0 7499 478 0 0 25 0 1 0 21490527 724697088 143984 4294967295 134512640 135987407 3221224560 3220514892 135499903 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/8340/statm): 176928 143984 364 364 0 176564 0
[pid=8340] vsize: 707712
Current children cumulated CPU time (s) 79.77
Current children cumulated vsize (Kb) 707712

[startup+90.0067 s]
Raw data (loadavg): 0.99 0.97 0.94 2/55 8340
Raw data (/proc/8340/stat): 8340 (pb2sat) R 8339 8340 4060 0 -1 0 252223 0 0 0 8459 516 0 0 25 0 1 0 21490527 752476160 162275 4294967295 134512640 135987407 3221224560 3220513936 134856699 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/8340/statm): 183710 162275 364 364 0 183346 0
[pid=8340] vsize: 734840
Current children cumulated CPU time (s) 89.75
Current children cumulated vsize (Kb) 734840

[startup+100.008 s]
Raw data (loadavg): 0.99 0.97 0.94 2/55 8340
Raw data (/proc/8340/stat): 8340 (pb2sat) R 8339 8340 4060 0 -1 0 270407 0 0 0 9419 553 0 0 25 0 1 0 21490527 779464704 180237 4294967295 134512640 135987407 3221224560 3220523872 134887988 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/8340/statm): 190299 180237 364 364 0 189935 0
[pid=8340] vsize: 761196
Current children cumulated CPU time (s) 99.72
Current children cumulated vsize (Kb) 761196
One traced child (pid=8340) exited with status: 1
All traced children have exited ! Game is over.

Child status: 1
Real time (s): 109.914
CPU time (s): 109.628
CPU user time (s): 103.633
CPU system time (s): 5.99509
CPU usage (%): 99.7403
Max. virtual memory (cumulated for all children) (Kb): 761196

Verifier Data

ERROR: no interpretation found !