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/plato.asu.edu/pub/unibo/normalized-mps-v2-13-7-blp-ir98.opb
MD5SUM	af50f6e3dbb65aa298a499a107f218c7
Bench Category	optimization, big integers (OPTBIGINT)
Has Objective Function	YES
Satisfiable	NO
(Un)Satisfiability was proved
Best value of the objective function
Optimality of the best value was proved
Number of terms in the objective function	21
Biggest coefficient in the objective function	1048576
Number of bits for the biggest coefficient in the objective function	21
Sum of the numbers in the objective function	2097151
Number of bits of the sum of numbers in the objective function	21
Biggest number in a constraint	81920000000
Number of bits of the biggest number in a constraint	37
Biggest sum of numbers in a constraint	18861949529571
Number of bits of the biggest sum of numbers	45
Best result obtained on this benchmark	UNSAT
Best CPU time to get the best result obtained on this benchmark	2.38864
Number of variables	6938
Total number of constraints	6560
Number of constraints which are clauses	0
Number of constraints which are cardinality constraints (but not clauses)	6451
Number of constraints which are nor clauses,nor cardinality constraints	109
Minimum length of a constraint	1
Maximum length of a constraint	6052

Trace number 43020

#### BEGIN LAUNCHER DATA ####
LAUNCH ON wulflinc2 THE 2005-06-16 21:21:14 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=26239 boxname=wulflinc2 idbench=1539 idsolver=18 numberseed=0
MD5SUM SOLVER: 
MD5SUM BENCH:  af50f6e3dbb65aa298a499a107f218c7  /oldhome/oroussel/tmp/wulflinc2/normalized-mps-v2-13-7-blp-ir98.opb
REAL COMMAND:  pb2sat-v2 /oldhome/oroussel/tmp/wulflinc2/normalized-mps-v2-13-7-blp-ir98.opb
IDLAUNCH: 26239
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 2
cpu MHz		: 451.191
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		: 451.191
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:        630792 kB
Buffers:         26064 kB
Cached:         354812 kB
SwapCached:       1420 kB
Active:          34704 kB
Inactive:       348252 kB
HighTotal:      131008 kB
HighFree:          252 kB
LowTotal:       903652 kB
LowFree:        630540 kB
SwapTotal:     2097136 kB
SwapFree:      2094720 kB
Dirty:              28 kB
Writeback:           0 kB
Mapped:           5056 kB
Slab:            15152 kB
Committed_AS:    71904 kB
PageTables:        316 kB
VmallocTotal:   114680 kB
VmallocUsed:      1388 kB
VmallocChunk:   113256 kB
JOB ENDED THE 2005-06-16 21:23:00 (client local time) WITH STATUS 1 IN 106.481 SECONDS
stats: 26239 7 106.481 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 0.97 0.91 2/54 15730
Raw data (stat): 15730 (runsolver) R 15729 31399 31398 0 -1 64 8 0 0 0 0 0 0 0 19 0 1 0 973965810 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+9.99975 s]
Raw data (loadavg): 0.92 0.97 0.91 2/54 15730
Raw data (stat): 15730 (pb2sat-v2) R 15729 31399 31398 0 -1 0 22885 0 0 0 945 53 0 0 25 0 1 0 973965810 69480448 12042 4294967295 134512640 135730672 3221224576 3221004576 134786093 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 16963 12042 301 301 0 16662 0
vsize: 67852
[startup+20.0005 s]
Raw data (loadavg): 0.93 0.97 0.91 2/54 15730
Raw data (stat): 15730 (pb2sat-v2) R 15729 31399 31398 0 -1 0 47591 0 0 0 1888 111 0 0 25 0 1 0 973965810 154193920 25814 4294967295 134512640 135730672 3221224576 3220957264 134786428 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 37645 25814 301 301 0 37344 0
vsize: 150580
[startup+30.0001 s]
Raw data (loadavg): 0.94 0.97 0.91 2/54 15730
Raw data (stat): 15730 (pb2sat-v2) R 15729 31399 31398 0 -1 0 74030 0 0 0 2832 166 0 0 25 0 1 0 973965810 218636288 42852 4294967295 134512640 135730672 3221224576 3220911708 135301586 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 53378 42852 301 301 0 53077 0
vsize: 213512
[startup+39.9998 s]
Raw data (loadavg): 0.95 0.97 0.91 2/54 15730
Raw data (stat): 15730 (pb2sat-v2) R 15729 31399 31398 0 -1 0 97736 0 0 0 3780 219 0 0 25 0 1 0 973965810 302522368 54062 4294967295 134512640 135730672 3221224576 3221150736 134786142 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 73858 54062 301 301 0 73557 0
vsize: 295432
[startup+50.0006 s]
Raw data (loadavg): 0.96 0.97 0.91 2/54 15730
Raw data (stat): 15730 (pb2sat-v2) R 15729 31399 31398 0 -1 0 112178 0 0 0 4741 257 0 0 25 0 1 0 973965810 309145600 68272 4294967295 134512640 135730672 3221224576 3221014872 135284216 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 75475 68272 301 301 0 75174 0
vsize: 301900
[startup+60.0002 s]
Raw data (loadavg): 0.96 0.97 0.91 2/54 15730
Raw data (stat): 15730 (pb2sat-v2) R 15729 31399 31398 0 -1 0 151896 0 0 0 5664 334 0 0 25 0 1 0 973965810 639295488 89432 4294967295 134512640 135730672 3221224576 3218449024 134788521 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 156078 89432 301 301 0 155777 0
vsize: 624312
[startup+70.0009 s]
Raw data (loadavg): 0.97 0.97 0.91 2/54 15730
Raw data (stat): 15730 (pb2sat-v2) R 15729 31399 31398 0 -1 0 185268 0 0 0 6592 407 0 0 25 0 1 0 973965810 572182528 98010 4294967295 134512640 135730672 3221224576 3218414524 134608065 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 139693 98010 301 301 0 139392 0
vsize: 558772
[startup+80.0016 s]
Raw data (loadavg): 0.97 0.97 0.91 2/54 15730
Raw data (stat): 15730 (pb2sat-v2) R 15729 31399 31398 0 -1 0 203924 0 0 0 7556 443 0 0 25 0 1 0 973965810 594243584 116381 4294967295 134512640 135730672 3221224576 3218419616 134786275 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 145079 116381 301 301 0 144778 0
vsize: 580316
[startup+90.0013 s]
Raw data (loadavg): 0.98 0.97 0.91 2/54 15730
Raw data (stat): 15730 (pb2sat-v2) R 15729 31399 31398 0 -1 0 224906 0 0 0 8514 484 0 0 25 0 1 0 973965810 628244480 137089 4294967295 134512640 135730672 3221224576 3218431308 135291064 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 153380 137089 301 301 0 153079 0
vsize: 613520
[startup+100.001 s]
Raw data (loadavg): 0.98 0.97 0.91 2/54 15730
Raw data (stat): 15730 (pb2sat-v2) R 15729 31399 31398 0 -1 0 242785 0 0 0 9476 523 0 0 25 0 1 0 973965810 651255808 151889 4294967295 134512640 135730672 3221224576 3221222896 135282716 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 158998 151889 301 301 0 158697 0
vsize: 635992
[startup+106.487 s]
Raw data (loadavg): 0.98 0.97 0.91 1/53 15730
Raw data (stat): 15730 (pb2sat-v2) R 15729 31399 31398 0 -1 0 242785 0 0 0 9476 523 0 0 25 0 1 0 973965810 651255808 151889 4294967295 134512640 135730672 3221224576 3221222896 135282716 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 158998 151889 301 301 0 158697 0
vsize: 0

Child status: 1
Real time (s): 106.486
CPU time (s): 106.481
CPU user time (s): 100.934
CPU system time (s): 5.54716
CPU usage (%): 99.9948
Max. virtual memory (Kb): 635992
#### END WATCHER DATA ####
#### BEGIN VERIFIER DATA ####
ERROR: no interpretation found !
#### END VERIFIER DATA ####