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/miplib3/normalized-mps-v2-20-10-arki001.opb
MD5SUM	d4d0a3fcbcc55e034e04fbd821250726
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	2386602666496000
Number of bits of the biggest number in a constraint	52
Biggest sum of numbers in a constraint	5223634990318712
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	0.97885
Number of variables	8268
Total number of constraints	2018
Number of constraints which are clauses	0
Number of constraints which are cardinality constraints (but not clauses)	436
Number of constraints which are nor clauses,nor cardinality constraints	1582
Minimum length of a constraint	1
Maximum length of a constraint	8249

Trace number 35235

#### BEGIN LAUNCHER DATA ####
LAUNCH ON wulflinc10 THE 2005-05-28 12:31:41 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=24544 boxname=wulflinc10 idbench=1016 idsolver=17 numberseed=0
MD5SUM SOLVER: 
MD5SUM BENCH:  d4d0a3fcbcc55e034e04fbd821250726  /oldhome/oroussel/tmp/wulflinc10/normalized-mps-v2-20-10-arki001.opb
REAL COMMAND:  pb2sat /oldhome/oroussel/tmp/wulflinc10/normalized-mps-v2-20-10-arki001.opb
IDLAUNCH: 24544
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 2
cpu MHz		: 450.999
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	: 890.88

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 2
cpu MHz		: 450.999
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:        836228 kB
Buffers:           284 kB
Cached:         177316 kB
SwapCached:         84 kB
Active:          20224 kB
Inactive:       159968 kB
HighTotal:      131008 kB
HighFree:        60032 kB
LowTotal:       903652 kB
LowFree:        776196 kB
SwapTotal:     2097136 kB
SwapFree:      2096728 kB
Dirty:              28 kB
Writeback:           0 kB
Mapped:           5880 kB
Slab:            12356 kB
Committed_AS:    63604 kB
PageTables:        316 kB
VmallocTotal:   114680 kB
VmallocUsed:      1364 kB
VmallocChunk:   113256 kB
JOB ENDED THE 2005-05-28 12:33:26 (client local time) WITH STATUS 1 IN 104.403 SECONDS
stats: 24544 7 104.403 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): 0.96 0.97 0.91 2/54 23247
Raw data (stat): 23247 (runsolver) R 23246 15547 15546 0 -1 64 8 0 0 0 0 0 0 0 19 0 1 0 806615867 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+10 s]
Raw data (loadavg): 0.96 0.97 0.91 2/54 23247
Raw data (stat): 23247 (pb2sat) R 23246 15547 15546 0 -1 0 26822 0 0 0 934 64 0 0 25 0 1 0 806615867 78307328 15898 4294967295 134512640 135726644 3221224576 3221112736 134607275 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 19118 15898 300 300 0 18818 0
vsize: 76472
[startup+19.9995 s]
Raw data (loadavg): 0.97 0.97 0.91 2/54 23247
Raw data (stat): 23247 (pb2sat) R 23246 15547 15546 0 -1 0 55641 0 0 0 1876 122 0 0 25 0 1 0 806615867 165560320 33737 4294967295 134512640 135726644 3221224576 3221108780 134719272 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 40420 33737 300 300 0 40120 0
vsize: 161680
[startup+30.0001 s]
Raw data (loadavg): 0.97 0.97 0.91 2/54 23247
Raw data (stat): 23247 (pb2sat) R 23246 15547 15546 0 -1 0 93160 0 0 0 2804 195 0 0 25 0 1 0 806615867 279269376 49568 4294967295 134512640 135726644 3221224576 3221111044 134604404 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 68181 49568 300 300 0 67881 0
vsize: 272724
[startup+39.9996 s]
Raw data (loadavg): 0.98 0.97 0.91 2/54 23247
Raw data (stat): 23247 (pb2sat) R 23246 15547 15546 0 -1 0 111235 0 0 0 3771 228 0 0 25 0 1 0 806615867 338280448 67402 4294967295 134512640 135726644 3221224576 3221108212 135289363 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 82588 67402 300 300 0 82288 0
vsize: 330352
[startup+50.0003 s]
Raw data (loadavg): 0.98 0.97 0.91 2/54 23247
Raw data (stat): 23247 (pb2sat) R 23246 15547 15546 0 -1 0 151487 0 0 0 4701 298 0 0 25 0 1 0 806615867 467329024 88860 4294967295 134512640 135726644 3221224576 3221108692 135277538 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 114094 88860 300 300 0 113794 0
vsize: 456376
[startup+59.9998 s]
Raw data (loadavg): 0.98 0.97 0.91 2/54 23247
Raw data (stat): 23247 (pb2sat) R 23246 15547 15546 0 -1 0 186414 0 0 0 5627 372 0 0 25 0 1 0 806615867 567848960 98972 4294967295 134512640 135726644 3221224576 3221111036 134604449 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 138635 98972 300 300 0 138335 0
vsize: 554540
[startup+70.0043 s]
Raw data (loadavg): 0.98 0.97 0.91 2/54 23247
Raw data (stat): 23247 (pb2sat) R 23246 15547 15546 0 -1 0 200294 0 0 0 6602 398 0 0 25 0 1 0 806615867 613568512 112637 4294967295 134512640 135726644 3221224576 3221108600 135289091 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 149797 112637 300 300 0 149497 0
vsize: 599188
[startup+80.0053 s]
Raw data (loadavg): 0.99 0.97 0.91 2/54 23247
Raw data (stat): 23247 (pb2sat) R 23246 15547 15546 0 -1 0 219840 0 0 0 7568 433 0 0 25 0 1 0 806615867 643141632 131941 4294967295 134512640 135726644 3221224576 3221109836 134604443 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 157017 131941 300 300 0 156717 0
vsize: 628068
[startup+90.0045 s]
Raw data (loadavg): 0.99 0.97 0.91 2/54 23247
Raw data (stat): 23247 (pb2sat) R 23246 15547 15546 0 -1 0 239435 0 0 0 8532 468 0 0 25 0 1 0 806615867 675147776 151293 4294967295 134512640 135726644 3221224576 3221109000 135289101 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 164831 151293 300 300 0 164531 0
vsize: 659324
[startup+100.005 s]
Raw data (loadavg): 0.99 0.97 0.91 2/54 23247
Raw data (stat): 23247 (pb2sat) R 23246 15547 15546 0 -1 0 249117 0 0 0 9515 485 0 0 25 0 1 0 806615867 691478528 160854 4294967295 134512640 135726644 3221224576 3221222828 135277617 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 168818 160854 300 300 0 168518 0
vsize: 675272
[startup+104.425 s]
Raw data (loadavg): 0.99 0.97 0.91 1/53 23247
Raw data (stat): 23247 (pb2sat) R 23246 15547 15546 0 -1 0 249117 0 0 0 9515 485 0 0 25 0 1 0 806615867 691478528 160854 4294967295 134512640 135726644 3221224576 3221222828 135277617 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 168818 160854 300 300 0 168518 0
vsize: 0

Child status: 1
Real time (s): 104.425
CPU time (s): 104.403
CPU user time (s): 99.2149
CPU system time (s): 5.18821
CPU usage (%): 99.979
Max. virtual memory (Kb): 675272
#### END WATCHER DATA ####
#### BEGIN VERIFIER DATA ####
ERROR: no interpretation found !
#### END VERIFIER DATA ####