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-markshare1.opb
MD5SUM	6f06e375914e0285ec75de90ad627758
Bench Category	optimization, medium integers (OPTMEDINT)
Has Objective Function	YES
Satisfiable	YES
(Un)Satisfiability was proved	YES
Best value of the objective function	3712
Optimality of the best value was proved	NO
Number of terms in the objective function	120
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	6291450
Number of bits of the sum of numbers in the objective function	23
Biggest number in a constraint	524288
Number of bits of the biggest number in a constraint	20
Biggest sum of numbers in a constraint	6291450
Number of bits of the biggest sum of numbers	23
Best result obtained on this benchmark	SAT
Best CPU time to get the best result obtained on this benchmark	1175.1
Number of variables	170
Total number of constraints	56
Number of constraints which are clauses	0
Number of constraints which are cardinality constraints (but not clauses)	50
Number of constraints which are nor clauses,nor cardinality constraints	6
Minimum length of a constraint	1
Maximum length of a constraint	70

Trace number 27270

#### BEGIN LAUNCHER DATA ####
LAUNCH ON wulflinc17 THE 2005-05-24 20:45:07 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=17630 boxname=wulflinc17 idbench=1357 idsolver=2 numberseed=0
MD5SUM SOLVER: 754786be69defe53c030aa54f111e0a7  /oldhome/oroussel/solvers/bsolo_lpr_cuts
MD5SUM BENCH:  6f06e375914e0285ec75de90ad627758  /oldhome/oroussel/tmp/wulflinc17/normalized-mps-v2-13-7-markshare1.opb
REAL COMMAND:  bsolo_lpr_cuts /oldhome/oroussel/tmp/wulflinc17/normalized-mps-v2-13-7-markshare1.opb
IDLAUNCH: 17630
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 3
cpu MHz		: 451.072
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		: 451.072
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:        436544 kB
Buffers:         12640 kB
Cached:         543732 kB
SwapCached:        480 kB
Active:          55680 kB
Inactive:       517788 kB
HighTotal:      131008 kB
HighFree:          812 kB
LowTotal:       903652 kB
LowFree:        435732 kB
SwapTotal:     2097892 kB
SwapFree:      2097148 kB
Dirty:              28 kB
Writeback:           0 kB
Mapped:           6044 kB
Slab:            19024 kB
Committed_AS:    63604 kB
PageTables:        316 kB
VmallocTotal:   114680 kB
VmallocUsed:      1368 kB
VmallocChunk:   113252 kB
JOB ENDED THE 2005-05-24 20:47:34 (client local time) WITH STATUS 0 IN 146.718 SECONDS
stats: 17630 7 146.718 0
#### END LAUNCHER DATA ####
#### BEGIN SOLVER DATA ####
c INFO: OSL Context initialized.
c Initial problem consists of 170 variables and 12 constraints.
c After prepocess the problem consists of 158 variables and 12 constraints.
c preprocess terminated 0.082 s
c Initial Lower Bound: 0
c Lower Bound Elapsed time: 0.015
c Use computed LB before first solution.
c NEW SOLUTION FOUND: 111616 @ 0.274
c NEW SOLUTION FOUND: 74752 @ 0.276
c NEW SOLUTION FOUND: 49024 @ 0.3
c NEW SOLUTION FOUND: 39680 @ 0.301
c NEW SOLUTION FOUND: 21632 @ 0.393
c NEW SOLUTION FOUND: 15872 @ 1.625
c NEW SOLUTION FOUND: 13312 @ 2.016
#### 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): 0.93 1.03 0.99 2/54 12741
Raw data (stat): 12741 (runsolver) R 12740 7475 7474 0 -1 64 4 0 0 0 0 0 0 0 19 0 1 0 833231939 1052672 99 4294967295 134512640 135381576 3221224480 3221219692 135158418 0 2147483391 7 90112 0 0 0 17 0 0 0
Raw data (statm): 257 99 215 215 0 42 0
vsize: 1028
[startup+10.0013 s]
Raw data (loadavg): 0.94 1.03 0.99 2/54 12741
Raw data (stat): 12741 (bsolo_lpr_cuts) R 12740 7475 7474 0 -1 0 7990 0 0 0 970 27 0 0 25 0 1 0 833231939 10948608 1954 4294967295 134512640 134714508 3221224576 3221222536 1077410163 0 0 7 0 0 0 0 17 0 0 0
Raw data (statm): 2673 1954 1111 63 0 2610 0
vsize: 10692
[startup+20.0018 s]
Raw data (loadavg): 0.95 1.03 0.99 2/54 12741
Raw data (stat): 12741 (bsolo_lpr_cuts) R 12740 7475 7474 0 -1 0 16928 0 0 0 1940 58 0 0 25 0 1 0 833231939 15695872 3144 4294967295 134512640 134714508 3221224576 3221222576 1074918576 0 0 7 0 0 0 0 17 0 0 0
Raw data (statm): 3832 3144 1111 63 0 3769 0
vsize: 15328
[startup+30.0009 s]
Raw data (loadavg): 0.95 1.03 0.99 2/54 12741
Raw data (stat): 12741 (bsolo_lpr_cuts) R 12740 7475 7474 0 -1 0 24696 0 0 0 2913 84 0 0 25 0 1 0 833231939 19718144 4133 4294967295 134512640 134714508 3221224576 3221221856 1074140062 0 0 7 0 0 0 0 17 1 0 0
Raw data (statm): 4849 4135 1111 63 0 4786 0
vsize: 19256
[startup+40.0008 s]
Raw data (loadavg): 0.96 1.03 0.99 2/54 12741
Raw data (stat): 12741 (bsolo_lpr_cuts) R 12740 7475 7474 0 -1 0 33351 0 0 0 3884 114 0 0 25 0 1 0 833231939 24875008 5350 4294967295 134512640 134714508 3221224576 3221222624 1074153196 0 0 7 0 0 0 0 17 1 0 0
Raw data (statm): 6073 5350 1111 63 0 6010 0
vsize: 24292
[startup+50.0007 s]
Raw data (loadavg): 0.97 1.03 0.99 2/54 12741
Raw data (stat): 12741 (bsolo_lpr_cuts) R 12740 7475 7474 0 -1 0 41399 0 0 0 4853 145 0 0 25 0 1 0 833231939 30609408 6741 4294967295 134512640 134714508 3221224576 3221220944 1075894503 0 0 7 0 0 0 0 17 1 0 0
Raw data (statm): 7473 6741 1111 63 0 7410 0
vsize: 29892
[startup+60.0007 s]
Raw data (loadavg): 0.97 1.03 0.99 2/54 12741
Raw data (stat): 12741 (bsolo_lpr_cuts) R 12740 7475 7474 0 -1 0 48154 0 0 0 5834 165 0 0 25 0 1 0 833231939 33550336 7489 4294967295 134512640 134714508 3221224576 3221222272 1074057961 0 0 7 0 0 0 0 17 1 0 0
Raw data (statm): 8191 7489 1111 63 0 8128 0
vsize: 32764
[startup+70.0006 s]
Raw data (loadavg): 0.97 1.02 0.99 2/54 12741
Raw data (stat): 12741 (bsolo_lpr_cuts) R 12740 7475 7474 0 -1 0 56262 0 0 0 6813 186 0 0 25 0 1 0 833231939 35360768 7852 4294967295 134512640 134714508 3221224576 3221220804 1075115028 0 0 7 0 0 0 0 17 1 0 0
Raw data (statm): 8633 7852 1111 63 0 8570 0
vsize: 34532
[startup+80.0002 s]
Raw data (loadavg): 0.98 1.02 0.99 2/54 12741
Raw data (stat): 12741 (bsolo_lpr_cuts) R 12740 7475 7474 0 -1 0 66596 0 0 0 7788 211 0 0 25 0 1 0 833231939 36761600 8214 4294967295 134512640 134714508 3221224576 3221220988 1075133168 0 0 7 0 0 0 0 17 1 0 0
Raw data (statm): 8975 8214 1111 63 0 8912 0
vsize: 35900
[startup+89.9995 s]
Raw data (loadavg): 0.98 1.02 0.99 2/54 12741
Raw data (stat): 12741 (bsolo_lpr_cuts) R 12740 7475 7474 0 -1 0 82599 0 0 0 8749 250 0 0 25 0 1 0 833231939 39550976 8897 4294967295 134512640 134714508 3221224576 3221220540 1074860626 0 0 7 0 0 0 0 17 1 0 0
Raw data (statm): 9656 8897 1111 63 0 9593 0
vsize: 38624
[startup+99.9992 s]
Raw data (loadavg): 0.98 1.02 0.99 2/54 12741
Raw data (stat): 12741 (bsolo_lpr_cuts) R 12740 7475 7474 0 -1 0 94198 0 0 0 9719 280 0 0 25 0 1 0 833231939 41177088 9356 4294967295 134512640 134714508 3221224576 3221223020 1077781665 0 0 7 0 0 0 0 17 1 0 0
Raw data (statm): 10053 9356 1111 63 0 9990 0
vsize: 40212
[startup+110 s]
Raw data (loadavg): 0.99 1.02 0.99 2/54 12741
Raw data (stat): 12741 (bsolo_lpr_cuts) R 12740 7475 7474 0 -1 0 105451 0 0 0 10690 309 0 0 25 0 1 0 833231939 43253760 9866 4294967295 134512640 134714508 3221224576 3221223036 1077781665 0 0 7 0 0 0 0 17 1 0 0
Raw data (statm): 10560 9866 1111 63 0 10497 0
vsize: 42240
[startup+120 s]
Raw data (loadavg): 0.99 1.02 0.99 2/54 12741
Raw data (stat): 12741 (bsolo_lpr_cuts) R 12740 7475 7474 0 -1 0 120092 0 0 0 11655 345 0 0 25 0 1 0 833231939 46239744 10590 4294967295 134512640 134714508 3221224576 3221222784 1074153462 0 0 7 0 0 0 0 17 1 0 0
Raw data (statm): 11289 10590 1111 63 0 11226 0
vsize: 45156
[startup+130 s]
Raw data (loadavg): 0.99 1.02 0.99 2/54 12741
Raw data (stat): 12741 (bsolo_lpr_cuts) R 12740 7475 7474 0 -1 0 138821 0 0 0 12608 392 0 0 25 0 1 0 833231939 50069504 11512 4294967295 134512640 134714508 3221224576 3221222780 1077781665 0 0 7 0 0 0 0 17 1 0 0
Raw data (statm): 12224 11512 1111 63 0 12161 0
vsize: 48896
[startup+140 s]
Raw data (loadavg): 0.99 1.02 0.99 2/54 12741
Raw data (stat): 12741 (bsolo_lpr_cuts) R 12740 7475 7474 0 -1 0 161004 0 0 0 13552 448 0 0 25 0 1 0 833231939 56864768 13023 4294967295 134512640 134714508 3221224576 3221222576 1074918597 0 0 7 0 0 0 0 17 1 0 0
Raw data (statm): 13883 13023 1111 63 0 13820 0
vsize: 55532
[startup+146.709 s]
Raw data (loadavg): 0.99 1.02 0.99 1/53 12741
Raw data (stat): 12741 (bsolo_lpr_cuts) R 12740 7475 7474 0 -1 0 161004 0 0 0 13552 448 0 0 25 0 1 0 833231939 56864768 13023 4294967295 134512640 134714508 3221224576 3221222576 1074918597 0 0 7 0 0 0 0 17 1 0 0
Raw data (statm): 13883 13023 1111 63 0 13820 0
vsize: 0

Child ended because it received signal 11 (SIGSEGV)
Real time (s): 146.709
CPU time (s): 146.718
CPU user time (s): 141.871
CPU system time (s): 4.84626
CPU usage (%): 100.006
Max. virtual memory (Kb): 55532
#### END WATCHER DATA ####
#### BEGIN VERIFIER DATA ####
ERROR: no interpretation found !
#### END VERIFIER DATA ####