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/unibo/normalized-mps-v2-13-7-B2C1S1.opb
MD5SUM2da614f2ff412c1e07d8c65342ffb362
Bench Categoryoptimization, medium integers (OPTMEDINT)
Has Objective FunctionYES
SatisfiableNO
(Un)Satisfiability was proved
Best value of the objective function
Optimality of the best value was proved
Number of terms in the objective function 25888
Biggest coefficient in the objective function 340787200
Number of bits for the biggest coefficient in the objective function 29
Sum of the numbers in the objective function 293013913600
Number of bits of the sum of numbers in the objective function 39
Biggest number in a constraint 340787200
Number of bits of the biggest number in a constraint 29
Biggest sum of numbers in a constraint 293013913600
Number of bits of the biggest sum of numbers39
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark0.648901
Number of variables71968
Total number of constraints4192
Number of constraints which are clauses0
Number of constraints which are cardinality constraints (but not clauses)288
Number of constraints which are nor clauses,nor cardinality constraints3904
Minimum length of a constraint1
Maximum length of a constraint960

Trace number 35751 

#### BEGIN LAUNCHER DATA ####
LAUNCH ON wulflinc19 THE 2005-05-28 14:01:48 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=25060 boxname=wulflinc19 idbench=1532 idsolver=17 numberseed=0
MD5SUM SOLVER: 
MD5SUM BENCH:  2da614f2ff412c1e07d8c65342ffb362  /oldhome/oroussel/tmp/wulflinc19/normalized-mps-v2-13-7-B2C1S1.opb
REAL COMMAND:  pb2sat /oldhome/oroussel/tmp/wulflinc19/normalized-mps-v2-13-7-B2C1S1.opb
IDLAUNCH: 25060
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 3
cpu MHz		: 451.037
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		: 451.037
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:        894612 kB
Buffers:          7976 kB
Cached:         110460 kB
SwapCached:       1040 kB
Active:          23744 kB
Inactive:        96796 kB
HighTotal:      131008 kB
HighFree:        30268 kB
LowTotal:       903652 kB
LowFree:        864344 kB
SwapTotal:     2097892 kB
SwapFree:      2095980 kB
Dirty:              28 kB
Writeback:           0 kB
Mapped:           4900 kB
Slab:            13828 kB
Committed_AS:    63604 kB
PageTables:        316 kB
VmallocTotal:   114680 kB
VmallocUsed:      1368 kB
VmallocChunk:   113252 kB
JOB ENDED THE 2005-05-28 14:03:49 (client local time) WITH STATUS 1 IN 120.271 SECONDS
stats: 25060 7 120.271 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): 0.90 0.92 0.90 2/54 21899
Raw data (stat): 21899 (runsolver) R 21898 10795 10794 0 -1 64 8 0 0 0 0 0 0 0 19 0 1 0 865356812 884736 94 4294967295 134512640 135332820 3221224464 3221219644 135092226 0 2147483391 7 90112 0 0 0 17 1 0 0
Raw data (statm): 216 94 205 205 0 11 0
vsize: 864
[startup+10.001 s]
Raw data (loadavg): 0.91 0.93 0.91 2/54 21899
Raw data (stat): 21899 (pb2sat) R 21898 10795 10794 0 -1 0 2175 0 0 0 994 5 0 0 25 0 1 0 865356812 7954432 1500 4294967295 134512640 135726644 3221224576 3221221664 134556160 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 1942 1500 300 300 0 1642 0
vsize: 7768
[startup+20.0016 s]
Raw data (loadavg): 0.93 0.93 0.91 2/54 21899
Raw data (stat): 21899 (pb2sat) R 21898 10795 10794 0 -1 0 23564 0 0 0 1946 52 0 0 25 0 1 0 865356812 75022336 15554 4294967295 134512640 135726644 3221224576 3212000152 134784091 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 18316 15554 300 300 0 18016 0
vsize: 73264
[startup+30.0014 s]
Raw data (loadavg): 0.94 0.93 0.91 2/54 21899
Raw data (stat): 21899 (pb2sat) R 21898 10795 10794 0 -1 0 55400 0 0 0 2877 122 0 0 25 0 1 0 865356812 182493184 33092 4294967295 134512640 135726644 3221224576 3211309680 134782642 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 44554 33093 300 300 0 44254 0
vsize: 178216
[startup+40.0009 s]
Raw data (loadavg): 0.95 0.93 0.91 2/54 21899
Raw data (stat): 21899 (pb2sat) R 21898 10795 10794 0 -1 0 85869 0 0 0 3814 185 0 0 25 0 1 0 865356812 259575808 53628 4294967295 134512640 135726644 3221224576 3211569280 134782678 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 63373 53628 300 300 0 63073 0
vsize: 253492
[startup+50.002 s]
Raw data (loadavg): 0.95 0.93 0.91 2/54 21899
Raw data (stat): 21899 (pb2sat) R 21898 10795 10794 0 -1 0 113706 0 0 0 4751 249 0 0 25 0 1 0 865356812 357249024 68951 4294967295 134512640 135726644 3221224576 3211267328 134554691 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 87219 68952 300 300 0 86919 0
vsize: 348876
[startup+60.0086 s]
Raw data (loadavg): 0.96 0.93 0.91 2/54 21899
Raw data (stat): 21899 (pb2sat) R 21898 10795 10794 0 -1 0 145736 0 0 0 5693 307 0 0 25 0 1 0 865356812 547979264 100318 4294967295 134512640 135726644 3221224576 3211839760 134771708 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 133784 100320 300 300 0 133484 0
vsize: 535136
[startup+70.0093 s]
Raw data (loadavg): 0.97 0.94 0.91 2/54 21899
Raw data (stat): 21899 (pb2sat) R 21898 10795 10794 0 -1 0 195301 0 0 0 6597 403 0 0 25 0 1 0 865356812 606535680 106161 4294967295 134512640 135726644 3221224576 3211640152 134784091 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 148080 106161 300 300 0 147780 0
vsize: 592320
[startup+80.0094 s]
Raw data (loadavg): 0.97 0.94 0.91 2/54 21899
Raw data (stat): 21899 (pb2sat) R 21898 10795 10794 0 -1 0 207440 0 0 0 7569 431 0 0 25 0 1 0 865356812 640090112 118087 4294967295 134512640 135726644 3221224576 3211158016 134766436 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 156272 118089 300 300 0 155972 0
vsize: 625088
[startup+90.0092 s]
Raw data (loadavg): 0.98 0.94 0.91 2/54 21899
Raw data (stat): 21899 (pb2sat) R 21898 10795 10794 0 -1 0 227665 0 0 0 8528 473 0 0 25 0 1 0 865356812 666447872 138070 4294967295 134512640 135726644 3221224576 3211161432 135280592 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 162707 138071 300 300 0 162407 0
vsize: 650828
[startup+100.01 s]
Raw data (loadavg): 0.98 0.94 0.91 2/54 21899
Raw data (stat): 21899 (pb2sat) R 21898 10795 10794 0 -1 0 249624 0 0 0 9482 519 0 0 25 0 1 0 865356812 699699200 159762 4294967295 134512640 135726644 3221224576 3212601432 135282351 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 170825 159764 300 300 0 170525 0
vsize: 683300
[startup+110.01 s]
Raw data (loadavg): 0.98 0.94 0.91 2/54 21899
Raw data (stat): 21899 (pb2sat) R 21898 10795 10794 0 -1 0 264032 0 0 0 10452 549 0 0 25 0 1 0 865356812 773246976 173999 4294967295 134512640 135726644 3221224576 3216565080 135102857 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 188781 173999 300 300 0 188481 0
vsize: 755124
[startup+120.011 s]
Raw data (loadavg): 0.98 0.94 0.91 2/54 21899
Raw data (stat): 21899 (pb2sat) R 21898 10795 10794 0 -1 0 264034 0 0 0 11436 564 0 0 25 0 1 0 865356812 411996160 100142 4294967295 134512640 135726644 3221224576 3221222832 135279136 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 100585 100142 300 300 0 100285 0
vsize: 402340
[startup+120.275 s]
Raw data (loadavg): 0.98 0.94 0.91 1/53 21899
Raw data (stat): 21899 (pb2sat) R 21898 10795 10794 0 -1 0 264034 0 0 0 11436 564 0 0 25 0 1 0 865356812 411996160 100142 4294967295 134512640 135726644 3221224576 3221222832 135279136 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 100585 100142 300 300 0 100285 0
vsize: 0

Child status: 1
Real time (s): 120.275
CPU time (s): 120.271
CPU user time (s): 114.422
CPU system time (s): 5.84911
CPU usage (%): 99.9968
Max. virtual memory (Kb): 755124
#### END WATCHER DATA ####
#### BEGIN VERIFIER DATA ####
ERROR: no interpretation found !
#### END VERIFIER DATA ####