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/plato.asu.edu/pub/unibo/normalized-mps-v2-20-10-sp97ic.opb
MD5SUMe8862b41c9b4f49ec8d11d1df0495e74
Bench Categoryoptimization, big integers (OPTBIGINT)
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 6288114893
Optimality of the best value was proved NO
Number of terms in the objective function 12497
Biggest coefficient in the objective function 1010107916
Number of bits for the biggest coefficient in the objective function 30
Sum of the numbers in the objective function 3093137085579
Number of bits of the sum of numbers in the objective function 42
Biggest number in a constraint 1010107916
Number of bits of the biggest number in a constraint 30
Biggest sum of numbers in a constraint 3093137085579
Number of bits of the biggest sum of numbers42
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark1242.78
Number of variables12497
Total number of constraints13530
Number of constraints which are clauses41
Number of constraints which are cardinality constraints (but not clauses)13312
Number of constraints which are nor clauses,nor cardinality constraints177
Minimum length of a constraint1
Maximum length of a constraint6739

Trace number 10226

Launcher Data

LAUNCH ON wulflinc24 THE 2005-09-23 17:40:04 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=8975 boxname=wulflinc24 idbench=771 idsolver=8 numberseed=0
MD5SUM SOLVER: 
MD5SUM BENCH:  e8862b41c9b4f49ec8d11d1df0495e74  /oldhome/oroussel/tmp/wulflinc24/normalized-mps-v2-20-10-sp97ic.opb
REAL COMMAND:  pb2sat /oldhome/oroussel/tmp/wulflinc24/normalized-mps-v2-20-10-sp97ic.opb
IDLAUNCH: 8975
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 3
cpu MHz		: 451.047
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		: 451.047
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:        889556 kB
Buffers:         15580 kB
Cached:         110152 kB
SwapCached:          0 kB
Active:          71600 kB
Inactive:        57044 kB
HighTotal:      131008 kB
HighFree:        18928 kB
LowTotal:       903652 kB
LowFree:        870628 kB
SwapTotal:     2097892 kB
SwapFree:      2097892 kB
Dirty:              28 kB
Writeback:           0 kB
Mapped:           6980 kB
Slab:            10848 kB
Committed_AS:    63632 kB
PageTables:        328 kB
VmallocTotal:   114680 kB
VmallocUsed:      1368 kB
VmallocChunk:   113252 kB
JOB ENDED THE 2005-09-23 17:42:05 (client local time) WITH STATUS 1 IN 120.849 SECONDS
stats: 8975 7 120.849 1

Solver Data

c This solver internally uses Chaff 2004.11.15 Simplified
c running zchaff...
c got solution with objective value: 84617137810
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/9139/stat): 9139 (pb2sat) R 9138 9139 4059 0 -1 0 18 0 0 0 0 0 0 0 23 0 1 0 22054657 1527808 2 4294967295 134512640 135987407 3221224560 3221224560 134512928 0 0 5 0 0 0 0 17 0 0 0
Raw data (/proc/9139/statm): 373 2 364 364 0 9 0
[pid=9139] vsize: 1492
open syscall for file /oldhome/oroussel/tmp/wulflinc24/normalized-mps-v2-20-10-sp97ic.opb

[startup+10.0018 s]
Raw data (loadavg): 0.97 1.00 0.97 2/55 9139
Raw data (/proc/9139/stat): 9139 (pb2sat) R 9138 9139 4059 0 -1 0 14961 0 0 0 959 37 0 0 25 0 1 0 22054657 46501888 9386 4294967295 134512640 135987407 3221224560 3221221872 134555870 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/9139/statm): 11353 9386 364 364 0 10989 0
[pid=9139] vsize: 45412
Current children cumulated CPU time (s) 9.96
Current children cumulated vsize (Kb) 45412

[startup+20.0025 s]
Raw data (loadavg): 0.98 1.00 0.97 2/55 9139
Raw data (/proc/9139/stat): 9139 (pb2sat) R 9138 9139 4059 0 -1 0 50908 0 0 0 1878 114 0 0 25 0 1 0 22054657 158003200 28624 4294967295 134512640 135987407 3221224560 3219957776 134892737 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/9139/statm): 38575 28624 364 364 0 38211 0
[pid=9139] vsize: 154300
Current children cumulated CPU time (s) 19.92
Current children cumulated vsize (Kb) 154300

[startup+30.0022 s]
Raw data (loadavg): 0.98 1.00 0.97 2/55 9139
Raw data (/proc/9139/stat): 9139 (pb2sat) R 9138 9139 4059 0 -1 0 60931 0 0 0 2852 140 0 0 25 0 1 0 22054657 176132096 38460 4294967295 134512640 135987407 3221224560 3221160468 135477864 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/9139/statm): 43001 38460 364 364 0 42637 0
[pid=9139] vsize: 172004
Current children cumulated CPU time (s) 29.92
Current children cumulated vsize (Kb) 172004

[startup+40.0029 s]
Raw data (loadavg): 0.98 1.00 0.97 2/55 9139
Raw data (/proc/9139/stat): 9139 (pb2sat) R 9138 9139 4059 0 -1 0 95996 0 0 0 3776 213 0 0 25 0 1 0 22054657 291381248 51381 4294967295 134512640 135987407 3221224560 3221221636 135486716 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/9139/statm): 71138 51381 364 364 0 70774 0
[pid=9139] vsize: 284552
Current children cumulated CPU time (s) 39.89
Current children cumulated vsize (Kb) 284552

[startup+50.0036 s]
Raw data (loadavg): 0.98 1.00 0.97 2/55 9139
Raw data (/proc/9139/stat): 9139 (pb2sat) R 9138 9139 4059 0 -1 0 107532 0 0 0 4748 240 0 0 25 0 1 0 22054657 329531392 62722 4294967295 134512640 135987407 3221224560 3220514464 134887887 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/9139/statm): 80452 62722 364 364 0 80088 0
[pid=9139] vsize: 321808
Current children cumulated CPU time (s) 49.88
Current children cumulated vsize (Kb) 321808

[startup+60.0033 s]
Raw data (loadavg): 0.99 1.00 0.97 2/55 9139
Raw data (/proc/9139/stat): 9139 (pb2sat) R 9138 9139 4059 0 -1 0 121639 0 0 0 5713 274 0 0 25 0 1 0 22054657 480657408 76550 4294967295 134512640 135987407 3221224560 3221034064 134856385 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/9139/statm): 117348 76550 364 364 0 116984 0
[pid=9139] vsize: 469392
Current children cumulated CPU time (s) 59.87
Current children cumulated vsize (Kb) 469392

[startup+70.004 s]
Raw data (loadavg): 0.99 1.00 0.97 2/55 9139
Raw data (/proc/9139/stat): 9139 (pb2sat) R 9138 9139 4059 0 -1 0 158724 0 0 0 6632 351 0 0 25 0 1 0 22054657 461393920 94109 4294967295 134512640 135987407 3221224560 3221221712 134663436 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/9139/statm): 112645 94109 364 364 0 112281 0
[pid=9139] vsize: 450580
Current children cumulated CPU time (s) 69.83
Current children cumulated vsize (Kb) 450580

[startup+80.0047 s]
Raw data (loadavg): 0.99 1.00 0.97 2/55 9139
Raw data (/proc/9139/stat): 9139 (pb2sat) R 9138 9139 4059 0 -1 0 194016 0 0 0 7551 431 0 0 25 0 1 0 22054657 583802880 101733 4294967295 134512640 135987407 3221224560 3221223248 134811775 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/9139/statm): 142530 101733 364 364 0 142166 0
[pid=9139] vsize: 570120
Current children cumulated CPU time (s) 79.82
Current children cumulated vsize (Kb) 570120

[startup+90.0054 s]
Raw data (loadavg): 0.99 1.00 0.97 2/55 9139
Raw data (/proc/9139/stat): 9139 (pb2sat) R 9138 9139 4059 0 -1 0 205972 0 0 0 8516 462 0 0 25 0 1 0 22054657 633171968 113512 4294967295 134512640 135987407 3221224560 3218884400 134887887 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/9139/statm): 154583 113513 364 364 0 154219 0
[pid=9139] vsize: 618332
Current children cumulated CPU time (s) 89.78
Current children cumulated vsize (Kb) 618332

[startup+100.005 s]
Raw data (loadavg): 0.99 1.00 0.97 2/55 9139
Raw data (/proc/9139/stat): 9139 (pb2sat) R 9138 9139 4059 0 -1 0 226757 0 0 0 9466 508 0 0 25 0 1 0 22054657 667234304 134033 4294967295 134512640 135987407 3221224560 3220557908 135480535 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/9139/statm): 162899 134033 364 364 0 162535 0
[pid=9139] vsize: 651596
Current children cumulated CPU time (s) 99.74
Current children cumulated vsize (Kb) 651596

[startup+110.005 s]
Raw data (loadavg): 0.99 1.00 0.97 2/55 9139
Raw data (/proc/9139/stat): 9139 (pb2sat) R 9138 9139 4059 0 -1 0 247066 0 0 0 10416 555 0 0 25 0 1 0 22054657 700755968 154083 4294967295 134512640 135987407 3221224560 3219613328 134856505 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/9139/statm): 171083 154083 364 364 0 170719 0
[pid=9139] vsize: 684332
Current children cumulated CPU time (s) 109.71
Current children cumulated vsize (Kb) 684332

[startup+120.005 s]
Raw data (loadavg): 0.99 1.00 0.97 2/55 9139
Raw data (/proc/9139/stat): 9139 (pb2sat) R 9138 9139 4059 0 -1 0 257691 0 0 0 11379 592 0 0 25 0 1 0 22054657 393850880 95629 4294967295 134512640 135987407 3221224560 3221223408 134884004 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/9139/statm): 96155 95629 364 364 0 95791 0
[pid=9139] vsize: 384620
Current children cumulated CPU time (s) 119.71
Current children cumulated vsize (Kb) 384620
One traced child (pid=9139) exited with status: 1
All traced children have exited ! Game is over.

Child status: 1
Real time (s): 121.143
CPU time (s): 120.849
CPU user time (s): 114.727
CPU system time (s): 6.12207
CPU usage (%): 99.757
Max. virtual memory (cumulated for all children) (Kb): 684332

Verifier Data

ERROR: no interpretation found !