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/submitted/sorensson/garden/normalized-g9x9.opb
MD5SUM	3682f861aa46be9df7d6903cb35a0651
Bench Category	optimization, small integers (OPTSMALLINT)
Has Objective Function	YES
Satisfiable	YES
(Un)Satisfiability was proved	YES
Best value of the objective function	20
Optimality of the best value was proved	NO
Number of terms in the objective function	81
Biggest coefficient in the objective function	1
Number of bits for the biggest coefficient in the objective function	1
Sum of the numbers in the objective function	81
Number of bits of the sum of numbers in the objective function	7
Biggest number in a constraint	1
Number of bits of the biggest number in a constraint	1
Biggest sum of numbers in a constraint	81
Number of bits of the biggest sum of numbers	7
Best result obtained on this benchmark	SAT
Best CPU time to get the best result obtained on this benchmark	0.676896
Number of variables	81
Total number of constraints	81
Number of constraints which are clauses	81
Number of constraints which are cardinality constraints (but not clauses)	0
Number of constraints which are nor clauses,nor cardinality constraints	0
Minimum length of a constraint	3
Maximum length of a constraint	5

Trace number 34997

#### BEGIN LAUNCHER DATA ####
LAUNCH ON wulflinc24 THE 2005-05-28 11:56:09 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=24309 boxname=wulflinc24 idbench=383 idsolver=17 numberseed=0
MD5SUM SOLVER: 
MD5SUM BENCH:  3682f861aa46be9df7d6903cb35a0651  /oldhome/oroussel/tmp/wulflinc24/normalized-g9x9.opb
REAL COMMAND:  pb2sat /oldhome/oroussel/tmp/wulflinc24/normalized-g9x9.opb
IDLAUNCH: 24309
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 3
cpu MHz		: 451.080
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	: 3
cpu MHz		: 451.080
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:        729860 kB
Buffers:         36120 kB
Cached:         246872 kB
SwapCached:        636 kB
Active:          24368 kB
Inactive:       260672 kB
HighTotal:      131008 kB
HighFree:        31360 kB
LowTotal:       903652 kB
LowFree:        698500 kB
SwapTotal:     2097892 kB
SwapFree:      2096360 kB
Dirty:              28 kB
Writeback:           0 kB
Mapped:           5148 kB
Slab:            13940 kB
Committed_AS:    63604 kB
PageTables:        316 kB
VmallocTotal:   114680 kB
VmallocUsed:      1368 kB
VmallocChunk:   113252 kB
JOB ENDED THE 2005-05-28 11:57:13 (client local time) WITH STATUS 30 IN 63.8043 SECONDS
stats: 24309 0 63.8043 30
#### END LAUNCHER DATA ####
#### BEGIN SOLVER DATA ####
c This solver internally uses Chaff 2004.11.15 Simplified
c running zchaff...

Decision: 2310/3494	Time: 0.461929/86400
Decision: 2310/3494	Time: 0.815876/86400
Decision: 2310/3494	Time: 1.24681/86400
Decision: 2317/3494	Time: 2.23166/86400
Decision: 2317/3494	Time: 2.86756/86400
Decision: 2317/3494	Time: 3.51247/86400
Decision: 2317/3494	Time: 4.12137/86400
Decision: 2317/3494	Time: 4.87426/86400
Decision: 2317/3494	Time: 5.63014/86400
Decision: 2318/3494	Time: 6.75797/86400
Decision: 2318/3494	Time: 7.56785/86400
Decision: 2318/3494	Time: 8.31274/86400c [startup+11.3517 s]  setting bit 6 to 0
c got solution with objective value: 49
c [startup+11.3859 s]  setting bit 5 to 1
c got solution with objective value: 33
c [startup+11.4095 s]  setting bit 4 to 1
c got solution with objective value: 25
c [startup+11.4729 s]  setting bit 3 to 1
c got solution with objective value: 21
c [startup+14.6102 s]  setting bit 2 to 1

Decision: 2186/3494	Time: 11.3033/86400
Decision: 2266/3494	Time: 13.6689/86400
Decision: 2266/3494	Time: 15.0807/86400
Decision: 2439/3494	Time: 16.1185/86400
Decision: 2439/3494	Time: 17.6293/86400
Decision: 2439/3494	Time: 19.3461/86400
Decision: 2439/3494	Time: 20.7568/86400
Decision: 2439/3494	Time: 22.3086/86400
Decision: 2719/3494	Time: 25.0062/86400
Decision: 2719/3494	Time: 27.0539/86400
Decision: 2719/3494	Time: 29.1956/86400c [startup+50.6465 s]  setting bit 1 to 0

Decision: 2245/3494	Time: 8.77067/86400
Decision: 2245/3494	Time: 10.1954/86400
Decision: 2245/3494	Time: 11.7762/86400c got solution with objective value: 20
c [startup+63.7994 s]  setting bit 0 to 1
s OPTIMUM FOUND
v -x1 x10 x11 -x12 -x13 -x14 -x15 x16 -x17 x18 -x19 -x2 -x20 -x21 -x22 x23 -x24 -x25 -x26 -x27 -x28 -x29 -x3 x30 -x31 -x32 -x33 -x34 x35 -x36 x37 -x38 -x39 x4 -x40 -x41 x42 -x43 -x44 -x45 -x46 -x47 -x48 x49 -x5 -x50 -x51 -x52 -x53 x54 -x55 x56 -x57 -x58 -x59 -x6 -x60 x61 -x62 -x63 -x64 -x65 -x66 -x67 x68 -x69 x7 -x70 -x71 x72 x73 -x74 x75 -x76 -x77 -x78 x79 -x8 -x80 -x81 -x9 
#### 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 19489
Raw data (stat): 19489 (runsolver) R 19488 4613 4612 0 -1 64 8 0 0 0 0 0 0 0 19 0 1 0 864608050 884736 94 4294967295 134512640 135332820 3221224480 3221219660 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+10.0005 s]
Raw data (loadavg): 0.92 0.95 0.90 2/54 19489
Raw data (stat): 19489 (pb2sat) R 19488 4613 4612 0 -1 0 1131 0 0 0 994 5 0 0 25 0 1 0 864608050 5726208 923 4294967295 134512640 135726644 3221224592 3221223212 135337969 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 1398 923 300 300 0 1098 0
vsize: 5592
[startup+20.001 s]
Raw data (loadavg): 0.93 0.95 0.91 2/54 19489
Raw data (stat): 19489 (pb2sat) R 19488 4613 4612 0 -1 0 1814 0 0 0 1989 9 0 0 25 0 1 0 864608050 9146368 1413 4294967295 134512640 135726644 3221224592 3221223088 134743955 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 2233 1413 300 300 0 1933 0
vsize: 8932
[startup+30.0016 s]
Raw data (loadavg): 0.94 0.95 0.91 2/54 19489
Raw data (stat): 19489 (pb2sat) R 19488 4613 4612 0 -1 0 2257 0 0 0 2986 11 0 0 25 0 1 0 864608050 9674752 1856 4294967295 134512640 135726644 3221224592 3221223212 135337969 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 2362 1856 300 300 0 2062 0
vsize: 9448
[startup+40.0025 s]
Raw data (loadavg): 0.95 0.95 0.91 2/54 19489
Raw data (stat): 19489 (pb2sat) R 19488 4613 4612 0 -1 0 2506 0 0 0 3984 13 0 0 25 0 1 0 864608050 14135296 2105 4294967295 134512640 135726644 3221224592 3221223088 134744022 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 3451 2105 300 300 0 3151 0
vsize: 13804
[startup+50.003 s]
Raw data (loadavg): 0.96 0.95 0.91 2/54 19489
Raw data (stat): 19489 (pb2sat) R 19488 4613 4612 0 -1 0 2695 0 0 0 4983 14 0 0 25 0 1 0 864608050 14290944 2294 4294967295 134512640 135726644 3221224592 3221223212 135337969 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 3489 2294 300 300 0 3189 0
vsize: 13956
[startup+60.0027 s]
Raw data (loadavg): 0.96 0.95 0.91 2/54 19489
Raw data (stat): 19489 (pb2sat) R 19488 4613 4612 0 -1 0 3066 0 0 0 5981 16 0 0 25 0 1 0 864608050 14577664 2665 4294967295 134512640 135726644 3221224592 3221223088 134744113 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 3559 2665 300 300 0 3259 0
vsize: 14236
[startup+63.8281 s]
Raw data (loadavg): 0.97 0.95 0.91 1/53 19489
Raw data (stat): 19489 (pb2sat) R 19488 4613 4612 0 -1 0 3066 0 0 0 5981 16 0 0 25 0 1 0 864608050 14577664 2665 4294967295 134512640 135726644 3221224592 3221223088 134744113 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 3559 2665 300 300 0 3259 0
vsize: 0

Child status: 30
Real time (s): 63.8277
CPU time (s): 63.8043
CPU user time (s): 63.6223
CPU system time (s): 0.181972
CPU usage (%): 99.9634
Max. virtual memory (Kb): 14236
#### END WATCHER DATA ####
#### BEGIN VERIFIER DATA ####
Verifier:	OK	20
#### END VERIFIER DATA ####