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/plato.asu.edu/pub/milp/normalized-mps-v2-20-10-swath2.opb
MD5SUM	4900144ca649bd1eba4c20785ac78705
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	31
Biggest coefficient in the objective function	1073741824
Number of bits for the biggest coefficient in the objective function	31
Sum of the numbers in the objective function	2147483647
Number of bits of the sum of numbers in the objective function	31
Biggest number in a constraint	1073741824000000
Number of bits of the biggest number in a constraint	50
Biggest sum of numbers in a constraint	4820003452178237
Number of bits of the biggest sum of numbers	53
Best result obtained on this benchmark	UNSAT
Best CPU time to get the best result obtained on this benchmark	1.84572
Number of variables	52335
Total number of constraints	7608
Number of constraints which are clauses	0
Number of constraints which are cardinality constraints (but not clauses)	2599
Number of constraints which are nor clauses,nor cardinality constraints	5009
Minimum length of a constraint	1
Maximum length of a constraint	49934

Trace number 42623

#### BEGIN LAUNCHER DATA ####
LAUNCH ON wulflinc2 THE 2005-06-16 12:57:43 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=25842 boxname=wulflinc2 idbench=1142 idsolver=18 numberseed=0
MD5SUM SOLVER: 
MD5SUM BENCH:  4900144ca649bd1eba4c20785ac78705  /oldhome/oroussel/tmp/wulflinc2/normalized-mps-v2-20-10-swath2.opb
REAL COMMAND:  pb2sat-v2 /oldhome/oroussel/tmp/wulflinc2/normalized-mps-v2-20-10-swath2.opb
IDLAUNCH: 25842
/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:        686456 kB
Buffers:         22268 kB
Cached:         302836 kB
SwapCached:       1432 kB
Active:          35376 kB
Inactive:       291848 kB
HighTotal:      131008 kB
HighFree:          252 kB
LowTotal:       903652 kB
LowFree:        686204 kB
SwapTotal:     2097136 kB
SwapFree:      2094708 kB
Dirty:              28 kB
Writeback:           0 kB
Mapped:           5056 kB
Slab:            15184 kB
Committed_AS:    71900 kB
PageTables:        316 kB
VmallocTotal:   114680 kB
VmallocUsed:      1388 kB
VmallocChunk:   113256 kB
JOB ENDED THE 2005-06-16 13:00:32 (client local time) WITH STATUS 1 IN 168.39 SECONDS
stats: 25842 7 168.39 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 10401
Raw data (stat): 10401 (runsolver) R 10400 31399 31398 0 -1 64 8 0 0 0 0 0 0 0 19 0 1 0 970944376 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+10.0004 s]
Raw data (loadavg): 0.93 0.95 0.90 2/54 10401
Raw data (stat): 10401 (pb2sat-v2) R 10400 31399 31398 0 -1 0 9541 0 0 0 977 22 0 0 25 0 1 0 970944376 29270016 5636 4294967295 134512640 135730672 3221224576 3221221664 134561667 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 7146 5636 301 301 0 6845 0
vsize: 28584
[startup+20.001 s]
Raw data (loadavg): 0.94 0.96 0.91 2/54 10401
Raw data (stat): 10401 (pb2sat-v2) R 10400 31399 31398 0 -1 0 9712 0 0 0 1976 23 0 0 25 0 1 0 970944376 29802496 5742 4294967295 134512640 135730672 3221224576 3221221664 134561656 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 7276 5742 301 301 0 6975 0
vsize: 29104
[startup+30.0017 s]
Raw data (loadavg): 0.95 0.96 0.91 2/54 10401
Raw data (stat): 10401 (pb2sat-v2) R 10400 31399 31398 0 -1 0 9996 0 0 0 2975 24 0 0 25 0 1 0 970944376 30867456 5897 4294967295 134512640 135730672 3221224576 3221221776 134577524 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 7536 5897 301 301 0 7235 0
vsize: 30144
[startup+40.0024 s]
Raw data (loadavg): 0.95 0.96 0.91 2/54 10401
Raw data (stat): 10401 (pb2sat-v2) R 10400 31399 31398 0 -1 0 10020 0 0 0 3975 24 0 0 25 0 1 0 970944376 30867456 5921 4294967295 134512640 135730672 3221224576 3221221664 134561667 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 7536 5921 301 301 0 7235 0
vsize: 30144
[startup+50.0034 s]
Raw data (loadavg): 0.96 0.96 0.91 2/54 10401
Raw data (stat): 10401 (pb2sat-v2) R 10400 31399 31398 0 -1 0 10040 0 0 0 4975 24 0 0 25 0 1 0 970944376 30867456 5941 4294967295 134512640 135730672 3221224576 3221221664 134561656 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 7536 5941 301 301 0 7235 0
vsize: 30144
[startup+60.0038 s]
Raw data (loadavg): 0.97 0.96 0.91 2/54 10401
Raw data (stat): 10401 (pb2sat-v2) R 10400 31399 31398 0 -1 0 10056 0 0 0 5975 25 0 0 25 0 1 0 970944376 30867456 5957 4294967295 134512640 135730672 3221224576 3221221664 134561669 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 7536 5957 301 301 0 7235 0
vsize: 30144
[startup+70.0034 s]
Raw data (loadavg): 0.97 0.96 0.91 2/54 10401
Raw data (stat): 10401 (pb2sat-v2) R 10400 31399 31398 0 -1 0 41175 0 0 0 6910 89 0 0 25 0 1 0 970944376 135671808 25391 4294967295 134512640 135730672 3221224576 3202914792 135284590 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 33123 25391 301 301 0 32822 0
vsize: 132492
[startup+80.0041 s]
Raw data (loadavg): 0.98 0.96 0.91 2/54 10401
Raw data (stat): 10401 (pb2sat-v2) R 10400 31399 31398 0 -1 0 63417 0 0 0 7859 141 0 0 25 0 1 0 970944376 207433728 41247 4294967295 134512640 135730672 3221224576 3198249348 134606740 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 50643 41249 301 301 0 50342 0
vsize: 202572
[startup+90.0038 s]
Raw data (loadavg): 0.98 0.96 0.91 2/54 10401
Raw data (stat): 10401 (pb2sat-v2) R 10400 31399 31398 0 -1 0 87684 0 0 0 8811 189 0 0 25 0 1 0 970944376 265854976 55590 4294967295 134512640 135730672 3221224576 3198553128 134787727 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 64906 55590 301 301 0 64605 0
vsize: 259624
[startup+100.004 s]
Raw data (loadavg): 0.98 0.96 0.91 2/54 10401
Raw data (stat): 10401 (pb2sat-v2) R 10400 31399 31398 0 -1 0 116058 0 0 0 9747 253 0 0 25 0 1 0 970944376 375963648 71465 4294967295 134512640 135730672 3221224576 3199111104 134784071 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 91788 71465 301 301 0 91487 0
vsize: 367152
[startup+110.005 s]
Raw data (loadavg): 0.98 0.96 0.91 2/54 10401
Raw data (stat): 10401 (pb2sat-v2) R 10400 31399 31398 0 -1 0 153028 0 0 0 10681 320 0 0 25 0 1 0 970944376 498360320 89869 4294967295 134512640 135730672 3221224576 3198278904 134787727 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 121670 89869 301 301 0 121369 0
vsize: 486680
[startup+120.006 s]
Raw data (loadavg): 0.99 0.97 0.91 2/54 10401
Raw data (stat): 10401 (pb2sat-v2) R 10400 31399 31398 0 -1 0 164437 0 0 0 11657 344 0 0 25 0 1 0 970944376 498360320 101031 4294967295 134512640 135730672 3221224576 3199318128 134786278 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 121670 101032 301 301 0 121369 0
vsize: 486680
[startup+130.007 s]
Raw data (loadavg): 0.99 0.97 0.91 2/54 10401
Raw data (stat): 10401 (pb2sat-v2) R 10400 31399 31398 0 -1 0 203159 0 0 0 12572 429 0 0 25 0 1 0 970944376 618082304 114969 4294967295 134512640 135730672 3221224576 3199006960 134551366 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 150899 114969 301 301 0 150598 0
vsize: 603596
[startup+140.006 s]
Raw data (loadavg): 0.99 0.97 0.91 2/54 10401
Raw data (stat): 10401 (pb2sat-v2) R 10400 31399 31398 0 -1 0 221416 0 0 0 13529 473 0 0 25 0 1 0 970944376 682455040 132993 4294967295 134512640 135730672 3221224576 3198268480 134783984 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 166615 132993 301 301 0 166314 0
vsize: 666460
[startup+150.007 s]
Raw data (loadavg): 1.07 0.99 0.91 2/54 10454
Raw data (stat): 10401 (pb2sat-v2) R 10400 31399 31398 0 -1 0 237885 0 0 0 14491 510 0 0 25 0 1 0 970944376 709353472 149247 4294967295 134512640 135730672 3221224576 3198987772 134608033 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 173182 149247 301 301 0 172881 0
vsize: 692728
[startup+160.008 s]
Raw data (loadavg): 1.06 0.99 0.91 2/54 10454
Raw data (stat): 10401 (pb2sat-v2) R 10400 31399 31398 0 -1 0 246325 0 0 0 15473 529 0 0 25 0 1 0 970944376 722731008 157379 4294967295 134512640 135730672 3221224576 3221222656 135284078 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 176448 157379 301 301 0 176147 0
vsize: 705792
[startup+168.376 s]
Raw data (loadavg): 1.05 0.99 0.91 1/53 10454
Raw data (stat): 10401 (pb2sat-v2) R 10400 31399 31398 0 -1 0 246325 0 0 0 15473 529 0 0 25 0 1 0 970944376 722731008 157379 4294967295 134512640 135730672 3221224576 3221222656 135284078 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 176448 157379 301 301 0 176147 0
vsize: 0

Child status: 1
Real time (s): 168.376
CPU time (s): 168.39
CPU user time (s): 162.782
CPU system time (s): 5.60815
CPU usage (%): 100.008
Max. virtual memory (Kb): 705792
#### END WATCHER DATA ####
#### BEGIN VERIFIER DATA ####
ERROR: no interpretation found !
#### END VERIFIER DATA ####