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).
  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

Namenormalized-opb/mps-v2-20-10/plato.asu.edu/pub/fctp/normalized-mps-v2-20-10-ran10x12.opb
MD5SUM503b63cdbe2445afec2ea38c5efde5e4
Bench Categoryoptimization, big integers (OPTBIGINT)
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 4990860
Optimality of the best value was proved NO
Number of terms in the objective function 3720
Biggest coefficient in the objective function 5368709120
Number of bits for the biggest coefficient in the objective function 33
Sum of the numbers in the objective function 679702048135
Number of bits of the sum of numbers in the objective function 40
Biggest number in a constraint 5368709120
Number of bits of the biggest number in a constraint 33
Biggest sum of numbers in a constraint 679702048135
Number of bits of the biggest sum of numbers40
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark1225.37
Number of variables3720
Total number of constraints142
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 constraints142
Minimum length of a constraint31
Maximum length of a constraint360

Trace number 35308

#### BEGIN LAUNCHER DATA ####
LAUNCH ON wulflinc22 THE 2005-05-28 12:50:19 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=24624 boxname=wulflinc22 idbench=1096 idsolver=17 numberseed=0
MD5SUM SOLVER: 
MD5SUM BENCH:  503b63cdbe2445afec2ea38c5efde5e4  /oldhome/oroussel/tmp/wulflinc22/normalized-mps-v2-20-10-ran10x12.opb
REAL COMMAND:  pb2sat /oldhome/oroussel/tmp/wulflinc22/normalized-mps-v2-20-10-ran10x12.opb
IDLAUNCH: 24624
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 3
cpu MHz		: 451.031
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	: 890.88

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 3
cpu MHz		: 451.031
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:        802248 kB
Buffers:         33444 kB
Cached:         168404 kB
SwapCached:        384 kB
Active:          53104 kB
Inactive:       158644 kB
HighTotal:      131008 kB
HighFree:        34580 kB
LowTotal:       903652 kB
LowFree:        767668 kB
SwapTotal:     2097892 kB
SwapFree:      2096800 kB
Dirty:              28 kB
Writeback:           0 kB
Mapped:           5540 kB
Slab:            15032 kB
Committed_AS:    63604 kB
PageTables:        316 kB
VmallocTotal:   114680 kB
VmallocUsed:      1368 kB
VmallocChunk:   113252 kB
JOB ENDED THE 2005-05-28 12:52:01 (client local time) WITH STATUS 1 IN 101.691 SECONDS
stats: 24624 7 101.691 1
#### END LAUNCHER DATA ####
#### BEGIN SOLVER DATA ####
c This solver internally uses Chaff 2004.11.15 Simplified

	Unexpected exception :
	St9bad_alloc
#### END SOLVER DATA ####
#### BEGIN WATCHER DATA ####
Enforcing CPU limit (will send SIGTERM then SIGKILL): 1200 seconds
Enforcing CPUTime (will send SIGXCPU) limit: 1230 seconds
Enforcing VSIZE limit: 943718400 bytes
Enforcing Stack size limit: 67108864 bytes
Current StackSize limit: 67108864 bytes
Raw data (loadavg): 0.85 0.94 0.90 2/54 332
Raw data (stat): 332 (runsolver) R 331 23310 23309 0 -1 64 8 0 0 0 0 0 0 0 19 0 1 0 864934454 884736 94 4294967295 134512640 135332820 3221224464 3221219644 135092226 0 2147483391 7 90112 0 0 0 17 0 0 0
Raw data (statm): 216 94 205 205 0 11 0
vsize: 864
[startup+10.0004 s]
Raw data (loadavg): 0.87 0.94 0.90 2/54 332
Raw data (stat): 332 (pb2sat) R 331 23310 23309 0 -1 0 30374 0 0 0 931 68 0 0 25 0 1 0 864934454 91226112 19233 4294967295 134512640 135726644 3221224576 3219812936 135282351 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 22272 19233 300 300 0 21972 0
vsize: 89088
[startup+20.0004 s]
Raw data (loadavg): 0.89 0.95 0.91 2/54 332
Raw data (stat): 332 (pb2sat) R 331 23310 23309 0 -1 0 61008 0 0 0 1866 132 0 0 25 0 1 0 864934454 179888128 38630 4294967295 134512640 135726644 3221224576 3219918960 135287437 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 43918 38631 300 300 0 43618 0
vsize: 175672
[startup+30.0001 s]
Raw data (loadavg): 0.91 0.95 0.91 2/54 332
Raw data (stat): 332 (pb2sat) R 331 23310 23309 0 -1 0 100612 0 0 0 2784 215 0 0 25 0 1 0 864934454 330170368 56036 4294967295 134512640 135726644 3221224576 3220106952 134784091 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 80608 56036 300 300 0 80308 0
vsize: 322432
[startup+40.0005 s]
Raw data (loadavg): 0.92 0.95 0.91 2/54 332
Raw data (stat): 332 (pb2sat) R 331 23310 23309 0 -1 0 122022 0 0 0 3737 261 0 0 25 0 1 0 864934454 356528128 77178 4294967295 134512640 135726644 3221224576 3220083752 134784091 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 87043 77178 300 300 0 86743 0
vsize: 348172
[startup+50.0005 s]
Raw data (loadavg): 0.93 0.95 0.91 2/54 332
Raw data (stat): 332 (pb2sat) R 331 23310 23309 0 -1 0 173710 0 0 0 4641 358 0 0 25 0 1 0 864934454 694988800 110291 4294967295 134512640 135726644 3221224576 3220137792 134784885 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 169675 110296 300 300 0 169375 0
vsize: 678700
[startup+60.0012 s]
Raw data (loadavg): 0.94 0.95 0.91 2/54 332
Raw data (stat): 332 (pb2sat) R 331 23310 23309 0 -1 0 200861 0 0 0 5580 419 0 0 25 0 1 0 864934454 627875840 112650 4294967295 134512640 135726644 3221224576 3220163256 135280655 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 153290 112650 300 300 0 152990 0
vsize: 613160
[startup+70.0016 s]
Raw data (loadavg): 0.95 0.95 0.91 2/54 332
Raw data (stat): 332 (pb2sat) R 331 23310 23309 0 -1 0 219440 0 0 0 6544 455 0 0 25 0 1 0 864934454 643420160 130960 4294967295 134512640 135726644 3221224576 3220224152 134784091 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 157085 130961 300 300 0 156785 0
vsize: 628340
[startup+80.0016 s]
Raw data (loadavg): 0.96 0.95 0.91 2/54 332
Raw data (stat): 332 (pb2sat) R 331 23310 23309 0 -1 0 241540 0 0 0 7494 506 0 0 25 0 1 0 864934454 675319808 152803 4294967295 134512640 135726644 3221224576 3220483432 135282351 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 164873 152803 300 300 0 164573 0
vsize: 659492
[startup+90.0023 s]
Raw data (loadavg): 0.96 0.95 0.91 2/54 332
Raw data (stat): 332 (pb2sat) R 331 23310 23309 0 -1 0 259393 0 0 0 8455 544 0 0 25 0 1 0 864934454 751333376 170448 4294967295 134512640 135726644 3221224576 3220481264 134767085 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 183431 170448 300 300 0 183131 0
vsize: 733724
[startup+100.002 s]
Raw data (loadavg): 0.97 0.95 0.91 2/54 332
Raw data (stat): 332 (pb2sat) R 331 23310 23309 0 -1 0 264916 0 0 0 9428 572 0 0 25 0 1 0 864934454 407891968 99160 4294967295 134512640 135726644 3221224576 3221222976 134778976 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 99583 99160 300 300 0 99283 0
vsize: 398332
[startup+101.686 s]
Raw data (loadavg): 0.97 0.95 0.91 1/53 332
Raw data (stat): 332 (pb2sat) R 331 23310 23309 0 -1 0 264916 0 0 0 9428 572 0 0 25 0 1 0 864934454 407891968 99160 4294967295 134512640 135726644 3221224576 3221222976 134778976 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 99583 99160 300 300 0 99283 0
vsize: 0

Child status: 1
Real time (s): 101.686
CPU time (s): 101.691
CPU user time (s): 95.7574
CPU system time (s): 5.9331
CPU usage (%): 100.004
Max. virtual memory (Kb): 733724
#### END WATCHER DATA ####
#### BEGIN VERIFIER DATA ####
ERROR: no interpretation found !
#### END VERIFIER DATA ####