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-dg012142.opb
MD5SUMbc2dcc682f209df3faf1b0ad321ee43d
Bench Categoryoptimization, big integers (OPTBIGINT)
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 2147483647
Optimality of the best value was proved NO
Number of terms in the objective function 24640
Biggest coefficient in the objective function 5368709120000
Number of bits for the biggest coefficient in the objective function 43
Sum of the numbers in the objective function 1723417105498688
Number of bits of the sum of numbers in the objective function 51
Biggest number in a constraint 5368709120000
Number of bits of the biggest number in a constraint 43
Biggest sum of numbers in a constraint 1723417105498688
Number of bits of the biggest sum of numbers51
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark1293.53
Number of variables43840
Total number of constraints6310
Number of constraints which are clauses40
Number of constraints which are cardinality constraints (but not clauses)0
Number of constraints which are nor clauses,nor cardinality constraints6270
Minimum length of a constraint1
Maximum length of a constraint371

Trace number 40136

#### BEGIN LAUNCHER DATA ####
LAUNCH ON wulflinc1 THE 2005-06-08 03:13:39 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=28206 boxname=wulflinc1 idbench=1162 idsolver=20 numberseed=0
MD5SUM SOLVER: f6aa7fb267fa9710116626be7e6d3048  /oldhome/oroussel/solvers/bsolo_lpr-v2
MD5SUM BENCH:  bc2dcc682f209df3faf1b0ad321ee43d  /oldhome/oroussel/tmp/wulflinc1/normalized-mps-v2-20-10-dg012142.opb
REAL COMMAND:  bsolo_lpr-v2 /oldhome/oroussel/tmp/wulflinc1/normalized-mps-v2-20-10-dg012142.opb
IDLAUNCH: 28206
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 2
cpu MHz		: 451.053
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		: 451.053
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:        766868 kB
Buffers:         22776 kB
Cached:         219544 kB
SwapCached:       1120 kB
Active:          37396 kB
Inactive:       207144 kB
HighTotal:      131008 kB
HighFree:          252 kB
LowTotal:       903652 kB
LowFree:        766616 kB
SwapTotal:     2097136 kB
SwapFree:      2094844 kB
Dirty:              32 kB
Writeback:           0 kB
Mapped:           5204 kB
Slab:            17564 kB
Committed_AS:    92720 kB
PageTables:        332 kB
VmallocTotal:   114680 kB
VmallocUsed:      1388 kB
VmallocChunk:   113256 kB
JOB ENDED THE 2005-06-08 03:17:25 (client local time) WITH STATUS 20 IN 224.995 SECONDS
stats: 28206 7 224.995 20
#### END LAUNCHER DATA ####
#### BEGIN SOLVER DATA ####
c INFO: OSL Context initialized.
c Initial problem consists of 43840 variables and 2617 constraints.
s UNSATISFIABLE
c Exit Code: 20
c Total time: 224.924 s
#### 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 0.95 0.90 1/55 16788
Raw data (stat): 16788 (runsolver) R 16787 8378 8377 0 -1 64 8 0 0 0 0 0 0 0 19 0 1 0 841449370 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+10.0011 s]
Raw data (loadavg): 0.93 0.95 0.91 2/55 16788
Raw data (stat): 16788 (bsolo_lpr-v2) R 16787 8378 8377 0 -1 0 1055 0 0 0 994 3 0 0 25 0 1 0 841449370 16543744 975 4294967295 134512640 134716908 3221224576 3221222804 1077414338 0 0 7 0 0 0 0 17 1 0 0
Raw data (statm): 4039 975 1111 63 0 3976 0
vsize: 16156
[startup+20.0019 s]
Raw data (loadavg): 0.94 0.95 0.91 2/55 16788
Raw data (stat): 16788 (bsolo_lpr-v2) R 16787 8378 8377 0 -1 0 1443 0 0 0 1993 3 0 0 25 0 1 0 841449370 18169856 1363 4294967295 134512640 134716908 3221224576 3221222804 1077414435 0 0 7 0 0 0 0 17 1 0 0
Raw data (statm): 4436 1363 1111 63 0 4373 0
vsize: 17744
[startup+30.0017 s]
Raw data (loadavg): 0.95 0.95 0.91 2/55 16788
Raw data (stat): 16788 (bsolo_lpr-v2) R 16787 8378 8377 0 -1 0 1841 0 0 0 2992 5 0 0 25 0 1 0 841449370 19832832 1761 4294967295 134512640 134716908 3221224576 3221222804 1077414433 0 0 7 0 0 0 0 17 1 0 0
Raw data (statm): 4842 1761 1111 63 0 4779 0
vsize: 19368
[startup+40.0024 s]
Raw data (loadavg): 0.96 0.96 0.91 2/55 16788
Raw data (stat): 16788 (bsolo_lpr-v2) R 16787 8378 8377 0 -1 0 2249 0 0 0 3992 5 0 0 25 0 1 0 841449370 21499904 2169 4294967295 134512640 134716908 3221224576 3221222804 1077414413 0 0 7 0 0 0 0 17 1 0 0
Raw data (statm): 5249 2169 1111 63 0 5186 0
vsize: 20996
[startup+50.0022 s]
Raw data (loadavg): 0.96 0.96 0.91 2/55 16788
Raw data (stat): 16788 (bsolo_lpr-v2) R 16787 8378 8377 0 -1 0 2665 0 0 0 4991 6 0 0 25 0 1 0 841449370 23166976 2585 4294967295 134512640 134716908 3221224576 3221222804 1077414413 0 0 7 0 0 0 0 17 1 0 0
Raw data (statm): 5656 2585 1111 63 0 5593 0
vsize: 22624
[startup+60.002 s]
Raw data (loadavg): 0.97 0.96 0.91 2/55 16788
Raw data (stat): 16788 (bsolo_lpr-v2) R 16787 8378 8377 0 -1 0 3102 0 0 0 5990 8 0 0 25 0 1 0 841449370 24973312 3022 4294967295 134512640 134716908 3221224576 3221222804 1077414363 0 0 7 0 0 0 0 17 1 0 0
Raw data (statm): 6097 3022 1111 63 0 6034 0
vsize: 24388
[startup+70.0018 s]
Raw data (loadavg): 0.97 0.96 0.91 2/55 16788
Raw data (stat): 16788 (bsolo_lpr-v2) R 16787 8378 8377 0 -1 0 3554 0 0 0 6989 9 0 0 25 0 1 0 841449370 26796032 3474 4294967295 134512640 134716908 3221224576 3221222804 1077414338 0 0 7 0 0 0 0 17 1 0 0
Raw data (statm): 6542 3474 1111 63 0 6479 0
vsize: 26168
[startup+80.0016 s]
Raw data (loadavg): 0.98 0.96 0.91 2/55 16788
Raw data (stat): 16788 (bsolo_lpr-v2) R 16787 8378 8377 0 -1 0 4039 0 0 0 7988 10 0 0 25 0 1 0 841449370 28889088 3959 4294967295 134512640 134716908 3221224576 3221222804 1077414338 0 0 7 0 0 0 0 17 1 0 0
Raw data (statm): 7053 3959 1111 63 0 6990 0
vsize: 28212
[startup+90.0014 s]
Raw data (loadavg): 0.98 0.96 0.91 2/55 16788
Raw data (stat): 16788 (bsolo_lpr-v2) R 16787 8378 8377 0 -1 0 4573 0 0 0 8986 12 0 0 25 0 1 0 841449370 31010816 4493 4294967295 134512640 134716908 3221224576 3221223232 134527928 0 0 7 0 0 0 0 17 1 0 0
Raw data (statm): 7571 4493 1111 63 0 7508 0
vsize: 30284
[startup+100.001 s]
Raw data (loadavg): 0.98 0.96 0.91 2/55 16788
Raw data (stat): 16788 (bsolo_lpr-v2) R 16787 8378 8377 0 -1 0 5171 0 0 0 9985 13 0 0 25 0 1 0 841449370 33476608 5091 4294967295 134512640 134716908 3221224576 3221222804 1077414388 0 0 7 0 0 0 0 17 1 0 0
Raw data (statm): 8173 5091 1111 63 0 8110 0
vsize: 32692
[startup+110.002 s]
Raw data (loadavg): 0.98 0.96 0.91 2/55 16788
Raw data (stat): 16788 (bsolo_lpr-v2) R 16787 8378 8377 0 -1 0 5772 0 0 0 10984 15 0 0 25 0 1 0 841449370 35901440 5692 4294967295 134512640 134716908 3221224576 3221222804 1077414345 0 0 7 0 0 0 0 17 1 0 0
Raw data (statm): 8765 5692 1111 63 0 8702 0
vsize: 35060
[startup+120.003 s]
Raw data (loadavg): 0.99 0.96 0.91 2/55 16788
Raw data (stat): 16788 (bsolo_lpr-v2) R 16787 8378 8377 0 -1 0 6411 0 0 0 11982 16 0 0 25 0 1 0 841449370 38629376 6331 4294967295 134512640 134716908 3221224576 3221223232 134527932 0 0 7 0 0 0 0 17 1 0 0
Raw data (statm): 9431 6331 1111 63 0 9368 0
vsize: 37724
[startup+130.003 s]
Raw data (loadavg): 0.99 0.96 0.91 2/55 16788
Raw data (stat): 16788 (bsolo_lpr-v2) R 16787 8378 8377 0 -1 0 7109 0 0 0 12981 18 0 0 25 0 1 0 841449370 41361408 7029 4294967295 134512640 134716908 3221224576 3221222804 1077414363 0 0 7 0 0 0 0 17 1 0 0
Raw data (statm): 10098 7029 1111 63 0 10035 0
vsize: 40392
[startup+140.002 s]
Raw data (loadavg): 0.99 0.97 0.91 2/55 16788
Raw data (stat): 16788 (bsolo_lpr-v2) R 16787 8378 8377 0 -1 0 7861 0 0 0 13979 20 0 0 25 0 1 0 841449370 44519424 7781 4294967295 134512640 134716908 3221224576 3221222804 1077414388 0 0 7 0 0 0 0 17 1 0 0
Raw data (statm): 10869 7781 1111 63 0 10806 0
vsize: 43476
[startup+150.002 s]
Raw data (loadavg): 0.99 0.97 0.91 2/55 16788
Raw data (stat): 16788 (bsolo_lpr-v2) R 16787 8378 8377 0 -1 0 8702 0 0 0 14977 22 0 0 25 0 1 0 841449370 48107520 8622 4294967295 134512640 134716908 3221224576 3221222804 1077414388 0 0 7 0 0 0 0 17 1 0 0
Raw data (statm): 11745 8622 1111 63 0 11682 0
vsize: 46980
[startup+160.003 s]
Raw data (loadavg): 0.99 0.97 0.91 2/55 16788
Raw data (stat): 16788 (bsolo_lpr-v2) R 16787 8378 8377 0 -1 0 9616 0 0 0 15975 25 0 0 25 0 1 0 841449370 51838976 9536 4294967295 134512640 134716908 3221224576 3221222804 1077414388 0 0 7 0 0 0 0 17 1 0 0
Raw data (statm): 12656 9536 1111 63 0 12593 0
vsize: 50624
[startup+170.003 s]
Raw data (loadavg): 0.99 0.97 0.91 2/55 16788
Raw data (stat): 16788 (bsolo_lpr-v2) R 16787 8378 8377 0 -1 0 14191 0 0 0 16967 32 0 0 25 0 1 0 841449370 70529024 14111 4294967295 134512640 134716908 3221224576 3221223232 134527932 0 0 7 0 0 0 0 17 1 0 0
Raw data (statm): 17219 14111 1111 63 0 17156 0
vsize: 68876
[startup+180.002 s]
Raw data (loadavg): 0.99 0.97 0.91 2/55 16788
Raw data (stat): 16788 (bsolo_lpr-v2) R 16787 8378 8377 0 -1 0 15481 0 0 0 17965 35 0 0 25 0 1 0 841449370 75821056 15401 4294967295 134512640 134716908 3221224576 3221223232 134527946 0 0 7 0 0 0 0 17 1 0 0
Raw data (statm): 18511 15401 1111 63 0 18448 0
vsize: 74044
[startup+190.004 s]
Raw data (loadavg): 0.99 0.97 0.91 2/55 16788
Raw data (stat): 16788 (bsolo_lpr-v2) R 16787 8378 8377 0 -1 0 17086 0 0 0 18961 39 0 0 25 0 1 0 841449370 82296832 17006 4294967295 134512640 134716908 3221224576 3221222848 134566629 0 0 7 0 0 0 0 17 1 0 0
Raw data (statm): 20092 17006 1111 63 0 20029 0
vsize: 80368
[startup+200.003 s]
Raw data (loadavg): 0.99 0.97 0.91 2/55 16788
Raw data (stat): 16788 (bsolo_lpr-v2) R 16787 8378 8377 0 -1 0 18356 0 0 0 19956 44 0 0 25 0 1 0 841449370 87568384 18276 4294967295 134512640 134716908 3221224576 3221222852 1077414385 0 0 7 0 0 0 0 17 1 0 0
Raw data (statm): 21379 18276 1111 63 0 21316 0
vsize: 85516
[startup+210.003 s]
Raw data (loadavg): 0.99 0.97 0.91 2/55 16788
Raw data (stat): 16788 (bsolo_lpr-v2) R 16787 8378 8377 0 -1 0 25793 0 0 0 20938 62 0 0 25 0 1 0 841449370 118112256 25713 4294967295 134512640 134716908 3221224576 3221222832 1077314177 0 0 7 0 0 0 0 17 1 0 0
Raw data (statm): 28836 25713 1111 63 0 28773 0
vsize: 115344
[startup+220.003 s]
Raw data (loadavg): 0.99 0.97 0.91 2/55 16788
Raw data (stat): 16788 (bsolo_lpr-v2) R 16787 8378 8377 0 -1 0 31312 0 0 0 21924 77 0 0 25 0 1 0 841449370 140697600 31232 4294967295 134512640 134716908 3221224576 3221222492 1077270041 0 0 7 0 0 0 0 17 1 0 0
Raw data (statm): 34350 31232 1111 63 0 34287 0
vsize: 137400
[startup+224.988 s]
Raw data (loadavg): 0.99 0.97 0.91 1/54 16788
Raw data (stat): 16788 (bsolo_lpr-v2) R 16787 8378 8377 0 -1 0 31312 0 0 0 21924 77 0 0 25 0 1 0 841449370 140697600 31232 4294967295 134512640 134716908 3221224576 3221222492 1077270041 0 0 7 0 0 0 0 17 1 0 0
Raw data (statm): 34350 31232 1111 63 0 34287 0
vsize: 0

Child status: 20
Real time (s): 224.988
CPU time (s): 224.995
CPU user time (s): 224.04
CPU system time (s): 0.954854
CPU usage (%): 100.003
Max. virtual memory (Kb): 137400
#### END WATCHER DATA ####
#### BEGIN VERIFIER DATA ####
ERROR: no interpretation found !
#### END VERIFIER DATA ####