PB'05 competition: run trace

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:

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.
SOLVER DATA
This is the output of the solver (stdout and stderr).
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.
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

Name	normalized-opb/mps-v2-13-7/MIPLIB/miplib2003/normalized-mps-v2-13-7-pk1.opb
MD5SUM	9c5126d785c8d5465220e290c5fc25a6
Bench Category	optimization, medium integers (OPTMEDINT)
Has Objective Function	YES
Satisfiable	YES
(Un)Satisfiability was proved	YES
Best value of the objective function	5120
Optimality of the best value was proved	NO
Number of terms in the objective function	20
Biggest coefficient in the objective function	524288
Number of bits for the biggest coefficient in the objective function	20
Sum of the numbers in the objective function	1048575
Number of bits of the sum of numbers in the objective function	20
Biggest number in a constraint	524288
Number of bits of the biggest number in a constraint	20
Biggest sum of numbers in a constraint	2421502
Number of bits of the biggest sum of numbers	22
Best result obtained on this benchmark	SAT
Best CPU time to get the best result obtained on this benchmark	1175.04
Number of variables	675
Total number of constraints	100
Number of constraints which are clauses	0
Number of constraints which are cardinality constraints (but not clauses)	55
Number of constraints which are nor clauses,nor cardinality constraints	45
Minimum length of a constraint	1
Maximum length of a constraint	95

Trace number 25745

#### BEGIN LAUNCHER DATA ####
LAUNCH ON wulflinc31 THE 2005-05-22 04:48:57 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=17891 boxname=wulflinc31 idbench=1377 idsolver=3 numberseed=0
MD5SUM SOLVER: 03a6a792daea978e4202f78851741568  /oldhome/oroussel/solvers/bsolo_mis
MD5SUM BENCH:  9c5126d785c8d5465220e290c5fc25a6  /oldhome/oroussel/tmp/wulflinc31/normalized-mps-v2-13-7-pk1.opb
REAL COMMAND:  bsolo_mis /oldhome/oroussel/tmp/wulflinc31/normalized-mps-v2-13-7-pk1.opb
IDLAUNCH: 17891
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 3
cpu MHz		: 451.153
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		: 451.153
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	: 901.12

/proc/meminfo:
MemTotal:      1034660 kB
MemFree:        650632 kB
Buffers:         20332 kB
Cached:         343620 kB
SwapCached:        936 kB
Active:         234312 kB
Inactive:       131776 kB
HighTotal:      131008 kB
HighFree:         1708 kB
LowTotal:       903652 kB
LowFree:        648924 kB
SwapTotal:     2097892 kB
SwapFree:      2095964 kB
Dirty:              84 kB
Writeback:           0 kB
Mapped:           5100 kB
Slab:            12304 kB
Committed_AS:    63840 kB
PageTables:        328 kB
VmallocTotal:   114680 kB
VmallocUsed:      1368 kB
VmallocChunk:   113252 kB
JOB ENDED THE 2005-05-22 04:51:13 (client local time) WITH STATUS 0 IN 135.945 SECONDS
stats: 17891 7 135.945 0
#### END LAUNCHER DATA ####
#### BEGIN SOLVER DATA ####
c Initial problem consists of 675 variables and 60 constraints.
c After prepocess the problem consists of 675 variables and 60 constraints.
c preprocess terminated 0.232 s
c Initial Lower Bound: 0
c Lower Bound Elapsed time: 0
c Use computed LB before first solution.
#### 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
Raw data (loadavg): 0.92 0.97 0.93 2/55 20247
Raw data (stat): 20247 (runsolver) R 20246 7876 7672 0 -1 64 5 0 0 0 0 0 0 0 19 0 1 0 810180581 1056768 100 4294967295 134512640 135381576 3221221680 3221216900 135158418 0 2147483391 1 90112 0 0 0 17 0 0 0
Raw data (statm): 258 100 215 215 0 43 0
vsize: 1032
[startup+10.0008 s]
Raw data (loadavg): 0.93 0.97 0.93 2/55 20247
Raw data (stat): 20247 (bsolo_mis) R 20246 7876 7672 0 -1 0 20114 0 0 0 944 51 0 0 25 0 1 0 810180581 88997888 19805 4294967295 134512640 134714540 3221221792 3221220420 1077374149 0 0 1 0 0 0 0 17 0 0 0
Raw data (statm): 21728 19805 1111 63 0 21665 0
vsize: 86912
[startup+20.0016 s]
Raw data (loadavg): 0.94 0.97 0.93 2/55 20247
Raw data (stat): 20247 (bsolo_mis) R 20246 7876 7672 0 -1 0 38878 0 0 0 1902 93 0 0 25 0 1 0 810180581 169152512 38102 4294967295 134512640 134714540 3221221792 3221220120 1077378037 0 0 1 0 0 0 0 17 1 0 0
Raw data (statm): 41297 38102 1111 63 0 41234 0
vsize: 165188
[startup+30.0015 s]
Raw data (loadavg): 0.95 0.97 0.93 2/55 20247
Raw data (stat): 20247 (bsolo_mis) R 20246 7876 7672 0 -1 0 54321 0 0 0 2865 130 0 0 25 0 1 0 810180581 230338560 53518 4294967295 134512640 134714540 3221221792 3221220528 134556532 0 0 1 0 0 0 0 17 1 0 0
Raw data (statm): 56235 53518 1111 63 0 56172 0
vsize: 224940
[startup+40.0015 s]
Raw data (loadavg): 0.96 0.97 0.93 2/55 20247
Raw data (stat): 20247 (bsolo_mis) R 20246 7876 7672 0 -1 0 73213 0 0 0 3820 176 0 0 25 0 1 0 810180581 306221056 70470 4294967295 134512640 134714540 3221221792 3221220432 134535285 0 0 1 0 0 0 0 17 1 0 0
Raw data (statm): 74761 70470 1111 63 0 74698 0
vsize: 299044
[startup+50.0026 s]
Raw data (loadavg): 0.96 0.97 0.93 2/55 20247
Raw data (stat): 20247 (bsolo_mis) R 20246 7876 7672 0 -1 0 89949 0 0 0 4784 212 0 0 25 0 1 0 810180581 372977664 84656 4294967295 134512640 134714540 3221221792 3221220120 1077378037 0 0 1 0 0 0 0 17 1 0 0
Raw data (statm): 91059 84657 1111 63 0 90996 0
vsize: 364236
[startup+60.0023 s]
Raw data (loadavg): 0.97 0.97 0.93 2/55 20247
Raw data (stat): 20247 (bsolo_mis) R 20246 7876 7672 0 -1 0 106495 0 0 0 5741 255 0 0 25 0 1 0 810180581 437510144 101120 4294967295 134512640 134714540 3221221792 3221220320 134543030 0 0 1 0 0 0 0 17 1 0 0
Raw data (statm): 106814 101120 1111 63 0 106751 0
vsize: 427256
[startup+70.0032 s]
Raw data (loadavg): 0.97 0.97 0.93 2/55 20247
Raw data (stat): 20247 (bsolo_mis) R 20246 7876 7672 0 -1 0 123682 0 0 0 6701 296 0 0 25 0 1 0 810180581 504238080 118090 4294967295 134512640 134714540 3221221792 3221220716 1077781665 0 0 1 0 0 0 0 17 1 0 0
Raw data (statm): 123105 118090 1111 63 0 123042 0
vsize: 492420
[startup+80.0031 s]
Raw data (loadavg): 0.98 0.97 0.93 2/55 20247
Raw data (stat): 20247 (bsolo_mis) R 20246 7876 7672 0 -1 0 139187 0 0 0 7660 337 0 0 25 0 1 0 810180581 564523008 133595 4294967295 134512640 134714540 3221221792 3221220540 134556933 0 0 1 0 0 0 0 17 1 0 0
Raw data (statm): 137823 133595 1111 63 0 137760 0
vsize: 551292
[startup+90.0031 s]
Raw data (loadavg): 0.98 0.97 0.93 2/55 20247
Raw data (stat): 20247 (bsolo_mis) R 20246 7876 7672 0 -1 0 170359 0 0 0 8600 397 0 0 25 0 1 0 810180581 682020864 152277 4294967295 134512640 134714540 3221221792 3221220676 134621538 0 0 1 0 0 0 0 17 1 0 0
Raw data (statm): 166509 152277 1111 63 0 166446 0
vsize: 666036
[startup+100.003 s]
Raw data (loadavg): 0.98 0.97 0.93 2/55 20247
Raw data (stat): 20247 (bsolo_mis) R 20246 7876 7672 0 -1 0 179864 0 0 0 9575 422 0 0 25 0 1 0 810180581 718786560 161782 4294967295 134512640 134714540 3221221792 3221220688 134621515 0 0 1 0 0 0 0 17 1 0 0
Raw data (statm): 175485 161782 1111 63 0 175422 0
vsize: 701940
[startup+110.003 s]
Raw data (loadavg): 0.98 0.97 0.93 2/55 20247
Raw data (stat): 20247 (bsolo_mis) R 20246 7876 7672 0 -1 0 197144 0 0 0 10532 464 0 0 25 0 1 0 810180581 785403904 178900 4294967295 134512640 134714540 3221221792 3221220716 1077781665 0 0 1 0 0 0 0 17 1 0 0
Raw data (statm): 191749 178900 1111 63 0 191686 0
vsize: 766996
[startup+120.004 s]
Raw data (loadavg): 0.99 0.97 0.93 2/55 20247
Raw data (stat): 20247 (bsolo_mis) R 20246 7876 7672 0 -1 0 213391 0 0 0 11495 502 0 0 25 0 1 0 810180581 848392192 195147 4294967295 134512640 134714540 3221221792 3221220716 1077781665 0 0 1 0 0 0 0 17 1 0 0
Raw data (statm): 207127 195147 1111 63 0 207064 0
vsize: 828508
[startup+130.004 s]
Raw data (loadavg): 0.99 0.97 0.93 2/55 20247
Raw data (stat): 20247 (bsolo_mis) R 20246 7876 7672 0 -1 0 229052 0 0 0 12453 545 0 0 25 0 1 0 810180581 908984320 210223 4294967295 134512640 134714540 3221221792 3221220360 1077378037 0 0 1 0 0 0 0 17 1 0 0
Raw data (statm): 221920 210224 1111 63 0 221857 0
vsize: 887680
[startup+136.021 s]
Raw data (loadavg): 0.99 0.97 0.93 1/54 20247
Raw data (stat): 20247 (bsolo_mis) R 20246 7876 7672 0 -1 0 229052 0 0 0 12453 545 0 0 25 0 1 0 810180581 908984320 210223 4294967295 134512640 134714540 3221221792 3221220360 1077378037 0 0 1 0 0 0 0 17 1 0 0
Raw data (statm): 221920 210224 1111 63 0 221857 0
vsize: 0

Child ended because it received signal 6 (SIGABRT)
Real time (s): 136.021
CPU time (s): 135.945
CPU user time (s): 129.844
CPU system time (s): 6.10107
CPU usage (%): 99.9446
Max. virtual memory (Kb): 887680
#### END WATCHER DATA ####
#### BEGIN VERIFIER DATA ####
ERROR: no interpretation found !
#### END VERIFIER DATA ####