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-v2-13-7/plato.asu.edu/pub/fctp/normalized-mps-v2-13-7-ran16x16.opb
MD5SUM9ccd6fd38eec7ec6eedca3a615a280ba
Bench Categoryoptimization, medium integers (OPTMEDINT)
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 1042560
Optimality of the best value was proved NO
Number of terms in the objective function 5376
Biggest coefficient in the objective function 5242880
Number of bits for the biggest coefficient in the objective function 23
Sum of the numbers in the objective function 1526874453
Number of bits of the sum of numbers in the objective function 31
Biggest number in a constraint 5242880
Number of bits of the biggest number in a constraint 23
Biggest sum of numbers in a constraint 1526874453
Number of bits of the biggest sum of numbers31
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark1175.06
Number of variables5376
Total number of constraints288
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 constraints288
Minimum length of a constraint21
Maximum length of a constraint320

Trace number 35711 

#### BEGIN LAUNCHER DATA ####
LAUNCH ON wulflinc29 THE 2005-05-28 13:53:59 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=25014 boxname=wulflinc29 idbench=1486 idsolver=17 numberseed=0
MD5SUM SOLVER: 
MD5SUM BENCH:  9ccd6fd38eec7ec6eedca3a615a280ba  /oldhome/oroussel/tmp/wulflinc29/normalized-mps-v2-13-7-ran16x16.opb
REAL COMMAND:  pb2sat /oldhome/oroussel/tmp/wulflinc29/normalized-mps-v2-13-7-ran16x16.opb
IDLAUNCH: 25014
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 3
cpu MHz		: 451.020
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		: 451.020
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:        733408 kB
Buffers:         34980 kB
Cached:         241964 kB
SwapCached:        632 kB
Active:          16640 kB
Inactive:       262364 kB
HighTotal:      131008 kB
HighFree:         7252 kB
LowTotal:       903652 kB
LowFree:        726156 kB
SwapTotal:     2097892 kB
SwapFree:      2096368 kB
Dirty:              28 kB
Writeback:           0 kB
Mapped:           5132 kB
Slab:            16648 kB
Committed_AS:    63600 kB
PageTables:        316 kB
VmallocTotal:   114680 kB
VmallocUsed:      1368 kB
VmallocChunk:   113252 kB
JOB ENDED THE 2005-05-28 13:55:43 (client local time) WITH STATUS 1 IN 102.962 SECONDS
stats: 25014 7 102.962 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): 0.92 0.97 0.91 2/54 30515
Raw data (stat): 30515 (runsolver) R 30514 20001 20000 0 -1 64 8 0 0 0 0 0 0 0 19 0 1 0 865312718 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+10.0008 s]
Raw data (loadavg): 0.93 0.97 0.91 2/54 30515
Raw data (stat): 30515 (pb2sat) R 30514 20001 20000 0 -1 0 29820 0 0 0 935 64 0 0 25 0 1 0 865312718 91328512 18686 4294967295 134512640 135726644 3221224576 3219393488 135278589 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 22297 18686 300 300 0 21997 0
vsize: 89188
[startup+20.0016 s]
Raw data (loadavg): 0.94 0.97 0.91 2/54 30515
Raw data (stat): 30515 (pb2sat) R 30514 20001 20000 0 -1 0 59486 0 0 0 1875 125 0 0 25 0 1 0 865312718 178503680 37126 4294967295 134512640 135726644 3221224576 3219585652 135284692 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 43580 37126 300 300 0 43280 0
vsize: 174320
[startup+30.0019 s]
Raw data (loadavg): 0.95 0.97 0.91 2/54 30515
Raw data (stat): 30515 (pb2sat) R 30514 20001 20000 0 -1 0 99854 0 0 0 2789 210 0 0 25 0 1 0 865312718 335282176 55303 4294967295 134512640 135726644 3221224576 3219246400 134780435 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 81856 55303 300 300 0 81556 0
vsize: 327424
[startup+40.0021 s]
Raw data (loadavg): 0.96 0.97 0.91 2/54 30515
Raw data (stat): 30515 (pb2sat) R 30514 20001 20000 0 -1 0 118035 0 0 0 3745 254 0 0 25 0 1 0 865312718 352043008 73236 4294967295 134512640 135726644 3221224576 3219237408 135280446 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 85948 73236 300 300 0 85648 0
vsize: 343792
[startup+50.0032 s]
Raw data (loadavg): 0.96 0.97 0.91 2/54 30515
Raw data (stat): 30515 (pb2sat) R 30514 20001 20000 0 -1 0 163877 0 0 0 4661 339 0 0 25 0 1 0 865312718 566022144 117878 4294967295 134512640 135726644 3221224576 3219320416 135279084 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 138189 117878 300 300 0 137889 0
vsize: 552756
[startup+60.0033 s]
Raw data (loadavg): 0.97 0.97 0.91 2/54 30515
Raw data (stat): 30515 (pb2sat) R 30514 20001 20000 0 -1 0 198826 0 0 0 5578 421 0 0 25 0 1 0 865312718 633126912 109652 4294967295 134512640 135726644 3221224576 3219618400 134780435 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 154572 109652 300 300 0 154272 0
vsize: 618288
[startup+70.008 s]
Raw data (loadavg): 0.97 0.97 0.91 2/54 30515
Raw data (stat): 30515 (pb2sat) R 30514 20001 20000 0 -1 0 212356 0 0 0 6550 450 0 0 25 0 1 0 865312718 633126912 122944 4294967295 134512640 135726644 3221224576 3219587728 134554706 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 154572 122944 300 300 0 154272 0
vsize: 618288
[startup+80.0119 s]
Raw data (loadavg): 0.98 0.97 0.91 2/54 30515
Raw data (stat): 30515 (pb2sat) R 30514 20001 20000 0 -1 0 233622 0 0 0 7503 498 0 0 25 0 1 0 865312718 663269376 143965 4294967295 134512640 135726644 3221224576 3219576928 134554600 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 161931 143965 300 300 0 161631 0
vsize: 647724
[startup+90.0117 s]
Raw data (loadavg): 0.98 0.97 0.91 2/54 30515
Raw data (stat): 30515 (pb2sat) R 30514 20001 20000 0 -1 0 250891 0 0 0 8467 534 0 0 25 0 1 0 865312718 738066432 161035 4294967295 134512640 135726644 3221224576 3219456928 134554559 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 180192 161035 300 300 0 179892 0
vsize: 720768
[startup+100.011 s]
Raw data (loadavg): 0.98 0.97 0.91 2/54 30515
Raw data (stat): 30515 (pb2sat) R 30514 20001 20000 0 -1 0 266450 0 0 0 9434 567 0 0 25 0 1 0 865312718 761012224 176394 4294967295 134512640 135726644 3221224576 3221223040 134732755 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 185794 176394 300 300 0 185494 0
vsize: 743176
[startup+103.33 s]
Raw data (loadavg): 0.98 0.97 0.91 1/53 30515
Raw data (stat): 30515 (pb2sat) R 30514 20001 20000 0 -1 0 266450 0 0 0 9434 567 0 0 25 0 1 0 865312718 761012224 176394 4294967295 134512640 135726644 3221224576 3221223040 134732755 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 185794 176394 300 300 0 185494 0
vsize: 0

Child status: 1
Real time (s): 103.323
CPU time (s): 102.962
CPU user time (s): 96.9243
CPU system time (s): 6.03808
CPU usage (%): 99.651
Max. virtual memory (Kb): 743176
#### END WATCHER DATA ####
#### BEGIN VERIFIER DATA ####
ERROR: no interpretation found !
#### END VERIFIER DATA ####