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

Namesubmitted/een/normalized-mitre.opb
MD5SUMa32373ce42835aed9464b28f5a9ed13c
Bench Categoryoptimization, small integers (OPTSMALLINT)
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 8628
Optimality of the best value was proved NO
Number of terms in the objective function 9324
Biggest coefficient in the objective function 213
Number of bits for the biggest coefficient in the objective function 8
Sum of the numbers in the objective function 909647
Number of bits of the sum of numbers in the objective function 20
Biggest number in a constraint 1069
Number of bits of the biggest number in a constraint 11
Biggest sum of numbers in a constraint 909647
Number of bits of the biggest sum of numbers20
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark1197.18
Number of variables10724
Total number of constraints2045
Number of constraints which are clauses523
Number of constraints which are cardinality constraints (but not clauses)1139
Number of constraints which are nor clauses,nor cardinality constraints383
Minimum length of a constraint3
Maximum length of a constraint98

Trace number 9739

Launcher Data

LAUNCH ON wulflinc11 THE 2005-09-23 15:16:12 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=8483 boxname=wulflinc11 idbench=279 idsolver=8 numberseed=0
MD5SUM SOLVER: 
MD5SUM BENCH:  a32373ce42835aed9464b28f5a9ed13c  /oldhome/oroussel/tmp/wulflinc11/normalized-mitre.opb
REAL COMMAND:  pb2sat /oldhome/oroussel/tmp/wulflinc11/normalized-mitre.opb
IDLAUNCH: 8483
/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:        918260 kB
Buffers:          8344 kB
Cached:          82776 kB
SwapCached:          0 kB
Active:          55660 kB
Inactive:        45020 kB
HighTotal:      131008 kB
HighFree:        45864 kB
LowTotal:       903652 kB
LowFree:        872396 kB
SwapTotal:     2097136 kB
SwapFree:      2097136 kB
Dirty:              28 kB
Writeback:           0 kB
Mapped:           6976 kB
Slab:            10000 kB
Committed_AS:    63656 kB
PageTables:        328 kB
VmallocTotal:   114680 kB
VmallocUsed:      1364 kB
VmallocChunk:   113256 kB
JOB ENDED THE 2005-09-23 15:17:53 (client local time) WITH STATUS 0 IN 98.2251 SECONDS
stats: 8483 7 98.2251 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/8088/stat): 8088 (pb2sat) R 8087 8088 4060 0 -1 0 18 0 0 0 0 0 0 0 24 0 1 0 21196313 1527808 2 4294967295 134512640 135987407 3221224576 3221224576 134512928 0 0 5 0 0 0 0 17 1 0 0
Raw data (/proc/8088/statm): 373 2 364 364 0 9 0
[pid=8088] vsize: 1492
open syscall for file /oldhome/oroussel/tmp/wulflinc11/normalized-mitre.opb

[startup+10.0023 s]
Raw data (loadavg): 0.94 0.96 0.92 2/55 8088
Raw data (/proc/8088/stat): 8088 (pb2sat) R 8087 8088 4060 0 -1 0 26451 0 0 0 937 59 0 0 25 0 1 0 21196313 86011904 15305 4294967295 134512640 135987407 3221224576 3221217808 134855001 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/8088/statm): 20999 15305 364 364 0 20635 0
[pid=8088] vsize: 83996
Current children cumulated CPU time (s) 9.96
Current children cumulated vsize (Kb) 83996

[startup+20.0031 s]
Raw data (loadavg): 0.95 0.96 0.92 2/55 8088
Raw data (/proc/8088/stat): 8088 (pb2sat) R 8087 8088 4060 0 -1 0 53266 0 0 0 1882 113 0 0 25 0 1 0 21196313 163725312 30901 4294967295 134512640 135987407 3221224576 3221210244 134641995 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/8088/statm): 39972 30901 364 364 0 39608 0
[pid=8088] vsize: 159888
Current children cumulated CPU time (s) 19.95
Current children cumulated vsize (Kb) 159888

[startup+30.0039 s]
Raw data (loadavg): 0.95 0.96 0.92 2/55 8088
Raw data (/proc/8088/stat): 8088 (pb2sat) R 8087 8088 4060 0 -1 0 92887 0 0 0 2796 196 0 0 25 0 1 0 21196313 280326144 48313 4294967295 134512640 135987407 3221224576 3221214172 135480496 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/8088/statm): 68439 48313 364 364 0 68075 0
[pid=8088] vsize: 273756
Current children cumulated CPU time (s) 29.92
Current children cumulated vsize (Kb) 273756

[startup+40.0046 s]
Raw data (loadavg): 0.96 0.96 0.92 2/55 8088
Raw data (/proc/8088/stat): 8088 (pb2sat) R 8087 8088 4060 0 -1 0 106981 0 0 0 3763 229 0 0 25 0 1 0 21196313 317800448 62172 4294967295 134512640 135987407 3221224576 3221213648 134537491 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/8088/statm): 77588 62172 364 364 0 77224 0
[pid=8088] vsize: 310352
Current children cumulated CPU time (s) 39.92
Current children cumulated vsize (Kb) 310352

[startup+50.0044 s]
Raw data (loadavg): 0.97 0.96 0.92 2/55 8088
Raw data (/proc/8088/stat): 8088 (pb2sat) R 8087 8088 4060 0 -1 0 137555 0 0 0 4696 294 0 0 25 0 1 0 21196313 493797376 91945 4294967295 134512640 135987407 3221224576 3221212088 134892451 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/8088/statm): 120556 91945 364 364 0 120192 0
[pid=8088] vsize: 482224
Current children cumulated CPU time (s) 49.9
Current children cumulated vsize (Kb) 482224

[startup+60.0052 s]
Raw data (loadavg): 0.97 0.96 0.92 2/55 8088
Raw data (/proc/8088/stat): 8088 (pb2sat) R 8087 8088 4060 0 -1 0 186051 0 0 0 5588 400 0 0 25 0 1 0 21196313 551137280 96832 4294967295 134512640 135987407 3221224576 3221211644 134636961 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/8088/statm): 134555 96832 364 364 0 134191 0
[pid=8088] vsize: 538220
Current children cumulated CPU time (s) 59.88
Current children cumulated vsize (Kb) 538220

[startup+70.006 s]
Raw data (loadavg): 0.97 0.97 0.92 2/55 8088
Raw data (/proc/8088/stat): 8088 (pb2sat) R 8087 8088 4060 0 -1 0 199407 0 0 0 6557 431 0 0 25 0 1 0 21196313 589017088 109969 4294967295 134512640 135987407 3221224576 3221210256 134802757 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/8088/statm): 143803 109969 364 364 0 143439 0
[pid=8088] vsize: 575212
Current children cumulated CPU time (s) 69.88
Current children cumulated vsize (Kb) 575212

[startup+80.0068 s]
Raw data (loadavg): 0.98 0.97 0.92 2/55 8088
Raw data (/proc/8088/stat): 8088 (pb2sat) R 8087 8088 4060 0 -1 0 214052 0 0 0 7522 465 0 0 25 0 1 0 21196313 592531456 124367 4294967295 134512640 135987407 3221224576 3221209952 134537491 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/8088/statm): 144661 124367 364 364 0 144297 0
[pid=8088] vsize: 578644
Current children cumulated CPU time (s) 79.87
Current children cumulated vsize (Kb) 578644

[startup+90.0076 s]
Raw data (loadavg): 0.98 0.97 0.92 2/55 8088
Raw data (/proc/8088/stat): 8088 (pb2sat) R 8087 8088 4060 0 -1 0 226143 0 0 0 8497 490 0 0 25 0 1 0 21196313 646377472 136258 4294967295 134512640 135987407 3221224576 3221208848 134878604 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/8088/statm): 157807 136258 364 364 0 157443 0
[pid=8088] vsize: 631228
Current children cumulated CPU time (s) 89.87
Current children cumulated vsize (Kb) 631228



Mem limit exceeded: sending SIGTERM then SIGKILL

[startup+98.045 s]
Raw data (loadavg): 0.98 0.97 0.92 1/55 8088
Raw data (/proc/8088/stat): 8088 (pb2sat) T 8087 8088 4060 0 -1 0 242880 0 0 0 9263 526 0 0 25 0 1 0 21196313 943759360 152636 4294967295 134512640 135987407 3221224576 3221210540 135635874 0 0 5 16384 3222434794 0 0 17 1 0 0
Raw data (/proc/8088/statm): 230410 152636 364 364 0 230046 0
[pid=8088] vsize: 921640
Current children cumulated CPU time (s) 97.89
Current children cumulated vsize (Kb) 921640

Sending SIGTERM to -8088
Sleeping 2 seconds

[startup+100.007 s]
Raw data (loadavg): 0.90 0.95 0.92 1/56 8089
Raw data (/proc/8088/stat): 8088 (pb2sat) S 8087 8088 4060 0 -1 0 242881 0 0 0 9265 526 0 0 25 0 1 0 21196313 943759360 152637 4294967295 134512640 135987407 3221224576 3221208856 135549753 0 16384 5 16384 0 0 0 17 1 0 0
Raw data (/proc/8088/statm): 230410 152637 364 364 0 230046 0
[pid=8088] vsize: 921640
Current children cumulated CPU time (s) 97.91
Current children cumulated vsize (Kb) 921640
Sending SIGKILL to -8088
One traced child (pid=8088) 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): 100.361
CPU time (s): 98.2251
CPU user time (s): 92.6519
CPU system time (s): 5.57315
CPU usage (%): 97.8719
Max. virtual memory (cumulated for all children) (Kb): 921640

Verifier Data

ERROR: no interpretation found !