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-v2-20-10/MIPLIB/miplib/normalized-mps-v2-20-10-air06.opb
MD5SUM	f85d0079133f298b06c25764b03ff228
Bench Category	optimization, medium integers (OPTMEDINT)
Has Objective Function	YES
Satisfiable	YES
(Un)Satisfiability was proved	YES
Best value of the objective function	50233
Optimality of the best value was proved	NO
Number of terms in the objective function	8627
Biggest coefficient in the objective function	1859
Number of bits for the biggest coefficient in the objective function	11
Sum of the numbers in the objective function	4587852
Number of bits of the sum of numbers in the objective function	23
Biggest number in a constraint	1859
Number of bits of the biggest number in a constraint	11
Biggest sum of numbers in a constraint	4587852
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	1182.3
Number of variables	8627
Total number of constraints	9452
Number of constraints which are clauses	0
Number of constraints which are cardinality constraints (but not clauses)	9452
Number of constraints which are nor clauses,nor cardinality constraints	0
Minimum length of a constraint	1
Maximum length of a constraint	461

Trace number 35127

#### BEGIN LAUNCHER DATA ####
LAUNCH ON wulflinc27 THE 2005-05-28 12:16:59 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=24427 boxname=wulflinc27 idbench=899 idsolver=17 numberseed=0
MD5SUM SOLVER: 
MD5SUM BENCH:  f85d0079133f298b06c25764b03ff228  /oldhome/oroussel/tmp/wulflinc27/normalized-mps-v2-20-10-air06.opb
REAL COMMAND:  pb2sat /oldhome/oroussel/tmp/wulflinc27/normalized-mps-v2-20-10-air06.opb
IDLAUNCH: 24427
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 3
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	: 888.83

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 3
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:        696120 kB
Buffers:         34012 kB
Cached:         273936 kB
SwapCached:        704 kB
Active:          22092 kB
Inactive:       287912 kB
HighTotal:      131008 kB
HighFree:        57372 kB
LowTotal:       903652 kB
LowFree:        638748 kB
SwapTotal:     2097892 kB
SwapFree:      2096316 kB
Dirty:              28 kB
Writeback:           0 kB
Mapped:           5128 kB
Slab:            22848 kB
Committed_AS:    63592 kB
PageTables:        316 kB
VmallocTotal:   114680 kB
VmallocUsed:      1368 kB
VmallocChunk:   113252 kB
JOB ENDED THE 2005-05-28 12:18:39 (client local time) WITH STATUS 1 IN 100.337 SECONDS
stats: 24427 7 100.337 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 0.95 0.90 2/54 18971
Raw data (stat): 18971 (runsolver) R 18970 3394 3393 0 -1 64 8 0 0 0 0 0 0 0 19 0 1 0 864729545 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+9.99963 s]
Raw data (loadavg): 0.93 0.95 0.91 2/54 18971
Raw data (stat): 18971 (pb2sat) R 18970 3394 3393 0 -1 0 25565 0 0 0 939 59 0 0 25 0 1 0 864729545 79343616 14466 4294967295 134512640 135726644 3221224576 3218902912 135278576 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 19371 14466 300 300 0 19071 0
vsize: 77484
[startup+20.0005 s]
Raw data (loadavg): 0.94 0.95 0.91 2/54 18971
Raw data (stat): 18971 (pb2sat) R 18970 3394 3393 0 -1 0 54152 0 0 0 1882 116 0 0 25 0 1 0 864729545 175718400 31810 4294967295 134512640 135726644 3221224576 3218700000 134780450 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 42900 31810 300 300 0 42600 0
vsize: 171600
[startup+30.0002 s]
Raw data (loadavg): 0.95 0.95 0.91 2/54 18971
Raw data (stat): 18971 (pb2sat) R 18970 3394 3393 0 -1 0 81151 0 0 0 2829 169 0 0 25 0 1 0 864729545 240627712 48862 4294967295 134512640 135726644 3221224576 3217852064 134767091 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 58747 48863 300 300 0 58447 0
vsize: 234988
[startup+40.0003 s]
Raw data (loadavg): 0.95 0.95 0.91 2/54 18971
Raw data (stat): 18971 (pb2sat) R 18970 3394 3393 0 -1 0 111222 0 0 0 3763 235 0 0 25 0 1 0 864729545 350871552 66416 4294967295 134512640 135726644 3221224576 3219484152 135282351 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 85662 66417 300 300 0 85362 0
vsize: 342648
[startup+50.0012 s]
Raw data (loadavg): 0.96 0.95 0.91 2/54 18971
Raw data (stat): 18971 (pb2sat) R 18970 3394 3393 0 -1 0 151859 0 0 0 4689 310 0 0 25 0 1 0 864729545 481513472 88452 4294967295 134512640 135726644 3221224576 3218866148 135277617 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 117557 88452 300 300 0 117257 0
vsize: 470228
[startup+60.0007 s]
Raw data (loadavg): 0.97 0.96 0.91 2/54 18971
Raw data (stat): 18971 (pb2sat) R 18970 3394 3393 0 -1 0 165009 0 0 0 5660 339 0 0 25 0 1 0 864729545 489906176 101364 4294967295 134512640 135726644 3221224576 3217976004 135101157 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 119606 101364 300 300 0 119306 0
vsize: 478424
[startup+70.0019 s]
Raw data (loadavg): 0.97 0.96 0.91 2/54 18971
Raw data (stat): 18971 (pb2sat) R 18970 3394 3393 0 -1 0 205198 0 0 0 6571 428 0 0 25 0 1 0 864729545 604491776 116729 4294967295 134512640 135726644 3221224576 3218840864 134767136 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 147581 116729 300 300 0 147281 0
vsize: 590324
[startup+80.0023 s]
Raw data (loadavg): 0.97 0.96 0.91 2/54 18971
Raw data (stat): 18971 (pb2sat) R 18970 3394 3393 0 -1 0 223769 0 0 0 7534 465 0 0 25 0 1 0 864729545 667107328 135067 4294967295 134512640 135726644 3221224576 3218363312 135280440 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 162868 135067 300 300 0 162568 0
vsize: 651472
[startup+90.0046 s]
Raw data (loadavg): 0.98 0.96 0.91 2/54 18971
Raw data (stat): 18971 (pb2sat) R 18970 3394 3393 0 -1 0 246642 0 0 0 8487 513 0 0 25 0 1 0 864729545 703197184 157663 4294967295 134512640 135726644 3221224576 3218106080 134782642 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 171679 157663 300 300 0 171379 0
vsize: 686716
[startup+100.004 s]
Raw data (loadavg): 0.98 0.96 0.91 2/54 18971
Raw data (stat): 18971 (pb2sat) R 18970 3394 3393 0 -1 0 249019 0 0 0 9469 530 0 0 25 0 1 0 864729545 397103104 96508 4294967295 134512640 135726644 3221224576 3221222928 135280560 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 96949 96508 300 300 0 96649 0
vsize: 387796
[startup+100.339 s]
Raw data (loadavg): 0.98 0.96 0.91 1/53 18971
Raw data (stat): 18971 (pb2sat) R 18970 3394 3393 0 -1 0 249019 0 0 0 9469 530 0 0 25 0 1 0 864729545 397103104 96508 4294967295 134512640 135726644 3221224576 3221222928 135280560 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 96949 96508 300 300 0 96649 0
vsize: 0

Child status: 1
Real time (s): 100.339
CPU time (s): 100.337
CPU user time (s): 94.8396
CPU system time (s): 5.49716
CPU usage (%): 99.9976
Max. virtual memory (Kb): 686716
#### END WATCHER DATA ####
#### BEGIN VERIFIER DATA ####
ERROR: no interpretation found !
#### END VERIFIER DATA ####