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/unibo/normalized-mps-v2-20-10-trento1.opb
MD5SUMe84e1f1ad995b93190fbcfcc22f676bd
Bench Categoryoptimization, big integers (OPTBIGINT)
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 44575
Biggest coefficient in the objective function 536870912000000000000
Number of bits for the biggest coefficient in the objective function 69
Sum of the numbers in the objective function 3578049115531220877312
Number of bits of the sum of numbers in the objective function 72
Biggest number in a constraint 536870912000000000000
Number of bits of the biggest number in a constraint 69
Biggest sum of numbers in a constraint 3578151515531220877312
Number of bits of the biggest sum of numbers72
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark0.407937
Number of variables44575
Total number of constraints7680
Number of constraints which are clauses0
Number of constraints which are cardinality constraints (but not clauses)6416
Number of constraints which are nor clauses,nor cardinality constraints1264
Minimum length of a constraint1
Maximum length of a constraint44575

Trace number 42658 

#### BEGIN LAUNCHER DATA ####
LAUNCH ON wulflinc4 THE 2005-06-16 13:30:09 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=25877 boxname=wulflinc4 idbench=1177 idsolver=18 numberseed=0
MD5SUM SOLVER: 
MD5SUM BENCH:  e84e1f1ad995b93190fbcfcc22f676bd  /oldhome/oroussel/tmp/wulflinc4/normalized-mps-v2-20-10-trento1.opb
REAL COMMAND:  pb2sat-v2 /oldhome/oroussel/tmp/wulflinc4/normalized-mps-v2-20-10-trento1.opb
IDLAUNCH: 25877
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 2
cpu MHz		: 451.169
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	: 2
cpu MHz		: 451.169
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:        686184 kB
Buffers:         27928 kB
Cached:         298024 kB
SwapCached:        924 kB
Active:          32088 kB
Inactive:       295952 kB
HighTotal:      131008 kB
HighFree:          252 kB
LowTotal:       903652 kB
LowFree:        685932 kB
SwapTotal:     2097136 kB
SwapFree:      2095228 kB
Dirty:              28 kB
Writeback:           0 kB
Mapped:           4996 kB
Slab:            14740 kB
Committed_AS:    71908 kB
PageTables:        316 kB
VmallocTotal:   114680 kB
VmallocUsed:      1388 kB
VmallocChunk:   113256 kB
JOB ENDED THE 2005-06-16 13:32:36 (client local time) WITH STATUS 1 IN 146.703 SECONDS
stats: 25877 7 146.703 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): 0.91 0.94 0.90 2/54 26716
Raw data (stat): 26716 (runsolver) R 26715 21152 21151 0 -1 64 8 0 0 0 0 0 0 0 19 0 1 0 971124806 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+10.0005 s]
Raw data (loadavg): 0.92 0.94 0.90 2/54 26716
Raw data (stat): 26716 (pb2sat-v2) R 26715 21152 21151 0 -1 0 2208 0 0 0 994 4 0 0 25 0 1 0 971124806 8093696 1533 4294967295 134512640 135730672 3221224576 3221221664 134561667 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 1976 1533 301 301 0 1675 0
vsize: 7904
[startup+20.0003 s]
Raw data (loadavg): 0.93 0.95 0.91 2/54 26716
Raw data (stat): 26716 (pb2sat-v2) R 26715 21152 21151 0 -1 0 2765 0 0 0 1992 6 0 0 25 0 1 0 971124806 9580544 2081 4294967295 134512640 135730672 3221224576 3221221664 134561675 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 2339 2081 301 301 0 2038 0
vsize: 9356
[startup+30.0006 s]
Raw data (loadavg): 0.94 0.95 0.91 2/54 26716
Raw data (stat): 26716 (pb2sat-v2) R 26715 21152 21151 0 -1 0 3889 0 0 0 2990 9 0 0 25 0 1 0 971124806 13414400 2493 4294967295 134512640 135730672 3221224576 3221221664 134561667 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 3275 2493 301 301 0 2974 0
vsize: 13100
[startup+40.0011 s]
Raw data (loadavg): 0.95 0.95 0.91 2/54 26716
Raw data (stat): 26716 (pb2sat-v2) R 26715 21152 21151 0 -1 0 4169 0 0 0 3988 11 0 0 25 0 1 0 971124806 14225408 2768 4294967295 134512640 135730672 3221224576 3221221664 134561667 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 3473 2768 301 301 0 3172 0
vsize: 13892
[startup+50.002 s]
Raw data (loadavg): 0.96 0.95 0.91 2/54 26716
Raw data (stat): 26716 (pb2sat-v2) R 26715 21152 21151 0 -1 0 24608 0 0 0 4945 54 0 0 25 0 1 0 971124806 74117120 13506 4294967295 134512640 135730672 3221224576 3221192496 135109362 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 18095 13506 301 301 0 17794 0
vsize: 72380
[startup+60.0019 s]
Raw data (loadavg): 0.96 0.95 0.91 2/54 26716
Raw data (stat): 26716 (pb2sat-v2) R 26715 21152 21151 0 -1 0 52258 0 0 0 5884 115 0 0 25 0 1 0 971124806 157278208 30161 4294967295 134512640 135730672 3221224576 3221205808 134788025 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 38398 30161 301 301 0 38097 0
vsize: 153592
[startup+70.0018 s]
Raw data (loadavg): 0.97 0.95 0.91 2/54 26716
Raw data (stat): 26716 (pb2sat-v2) R 26715 21152 21151 0 -1 0 92497 0 0 0 6804 195 0 0 25 0 1 0 971124806 272728064 48684 4294967295 134512640 135730672 3221224576 3221213020 134637873 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 66584 48684 301 301 0 66283 0
vsize: 266336
[startup+80.0026 s]
Raw data (loadavg): 0.97 0.95 0.91 2/54 26716
Raw data (stat): 26716 (pb2sat-v2) R 26715 21152 21151 0 -1 0 108822 0 0 0 7763 237 0 0 25 0 1 0 971124806 310472704 64731 4294967295 134512640 135730672 3221224576 3221192116 134612555 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 75799 64731 301 301 0 75498 0
vsize: 303196
[startup+90.0029 s]
Raw data (loadavg): 0.98 0.95 0.91 2/54 26716
Raw data (stat): 26716 (pb2sat-v2) R 26715 21152 21151 0 -1 0 150014 0 0 0 8681 318 0 0 25 0 1 0 971124806 444080128 87354 4294967295 134512640 135730672 3221224576 3220692736 134775041 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 108418 87354 301 301 0 108117 0
vsize: 433672
[startup+100.004 s]
Raw data (loadavg): 0.98 0.95 0.91 2/54 26716
Raw data (stat): 26716 (pb2sat-v2) R 26715 21152 21151 0 -1 0 185441 0 0 0 9606 393 0 0 25 0 1 0 971124806 578297856 98010 4294967295 134512640 135730672 3221224576 3220400384 134783984 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 141186 98010 301 301 0 140885 0
vsize: 564744
[startup+110.004 s]
Raw data (loadavg): 0.98 0.95 0.91 2/54 26716
Raw data (stat): 26716 (pb2sat-v2) R 26715 21152 21151 0 -1 0 199419 0 0 0 10575 424 0 0 25 0 1 0 971124806 586948608 111775 4294967295 134512640 135730672 3221224576 3219528320 134550643 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 143298 111775 301 301 0 142997 0
vsize: 573192
[startup+120.004 s]
Raw data (loadavg): 0.98 0.95 0.91 2/54 26716
Raw data (stat): 26716 (pb2sat-v2) R 26715 21152 21151 0 -1 0 218189 0 0 0 11533 467 0 0 25 0 1 0 971124806 613847040 130327 4294967295 134512640 135730672 3221224576 3219407952 134742817 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 149865 130327 301 301 0 149564 0
vsize: 599460
[startup+130.004 s]
Raw data (loadavg): 0.99 0.96 0.91 2/54 26716
Raw data (stat): 26716 (pb2sat-v2) R 26715 21152 21151 0 -1 0 233267 0 0 0 12497 502 0 0 25 0 1 0 971124806 685670400 145230 4294967295 134512640 135730672 3221224576 3219695160 135284946 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 167400 145230 301 301 0 167099 0
vsize: 669600
[startup+140.004 s]
Raw data (loadavg): 0.99 0.96 0.91 2/54 26716
Raw data (stat): 26716 (pb2sat-v2) R 26715 21152 21151 0 -1 0 250546 0 0 0 13460 540 0 0 25 0 1 0 971124806 710266880 162115 4294967295 134512640 135730672 3221224576 3221222812 135284065 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 173405 162115 301 301 0 173104 0
vsize: 693620
[startup+146.703 s]
Raw data (loadavg): 0.99 0.96 0.91 1/53 26716
Raw data (stat): 26716 (pb2sat-v2) R 26715 21152 21151 0 -1 0 250546 0 0 0 13460 540 0 0 25 0 1 0 971124806 710266880 162115 4294967295 134512640 135730672 3221224576 3221222812 135284065 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 173405 162115 301 301 0 173104 0
vsize: 0

Child status: 1
Real time (s): 146.702
CPU time (s): 146.703
CPU user time (s): 140.971
CPU system time (s): 5.73213
CPU usage (%): 100.001
Max. virtual memory (Kb): 693620
#### END WATCHER DATA ####
#### BEGIN VERIFIER DATA ####
ERROR: no interpretation found !
#### END VERIFIER DATA ####