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/fctp/normalized-mps-v2-13-7-bk4x3.opb
MD5SUM	c2339539ffa69702e62053614fe34ce1
Bench Category	optimization, medium integers (OPTMEDINT)
Has Objective Function	YES
Satisfiable	YES
(Un)Satisfiability was proved	YES
Best value of the objective function	44800
Optimality of the best value was proved	NO
Number of terms in the objective function	252
Biggest coefficient in the objective function	2621440
Number of bits for the biggest coefficient in the objective function	22
Sum of the numbers in the objective function	35682270
Number of bits of the sum of numbers in the objective function	26
Biggest number in a constraint	2621440
Number of bits of the biggest number in a constraint	22
Biggest sum of numbers in a constraint	35682270
Number of bits of the biggest sum of numbers	26
Best result obtained on this benchmark	SAT
Best CPU time to get the best result obtained on this benchmark	24.1133
Number of variables	252
Total number of constraints	19
Number of constraints which are clauses	0
Number of constraints which are cardinality constraints (but not clauses)	0
Number of constraints which are nor clauses,nor cardinality constraints	19
Minimum length of a constraint	21
Maximum length of a constraint	80

Trace number 35678

#### BEGIN LAUNCHER DATA ####
LAUNCH ON wulflinc6 THE 2005-05-28 13:46:21 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=24988 boxname=wulflinc6 idbench=1460 idsolver=17 numberseed=0
MD5SUM SOLVER: 
MD5SUM BENCH:  c2339539ffa69702e62053614fe34ce1  /oldhome/oroussel/tmp/wulflinc6/normalized-mps-v2-13-7-bk4x3.opb
REAL COMMAND:  pb2sat /oldhome/oroussel/tmp/wulflinc6/normalized-mps-v2-13-7-bk4x3.opb
IDLAUNCH: 24988
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 2
cpu MHz		: 451.042
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		: 451.042
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:        673576 kB
Buffers:         34244 kB
Cached:         306024 kB
SwapCached:        616 kB
Active:          19676 kB
Inactive:       322800 kB
HighTotal:      131008 kB
HighFree:         5796 kB
LowTotal:       903652 kB
LowFree:        667780 kB
SwapTotal:     2097136 kB
SwapFree:      2095612 kB
Dirty:              28 kB
Writeback:           0 kB
Mapped:           5180 kB
Slab:            13004 kB
Committed_AS:    63732 kB
PageTables:        320 kB
VmallocTotal:   114680 kB
VmallocUsed:      1364 kB
VmallocChunk:   113256 kB
JOB ENDED THE 2005-05-28 13:47:45 (client local time) WITH STATUS 30 IN 83.7353 SECONDS
stats: 24988 0 83.7353 30
#### END LAUNCHER DATA ####
#### BEGIN SOLVER DATA ####
c This solver internally uses Chaff 2004.11.15 Simplified
c running zchaff...
c got solution with objective value: 58368
c [startup+1.21909 s]  setting bit 25 to 1
c CONFLICT during preprocess 
c [startup+1.2943 s]  setting bit 24 to 0
c CONFLICT during preprocess 
c [startup+1.36974 s]  setting bit 23 to 0
c CONFLICT during preprocess 
c [startup+1.4452 s]  setting bit 22 to 0
c [startup+2.5305 s]  setting bit 21 to 0
c got solution with objective value: 59832
c [startup+2.68703 s]  setting bit 20 to 1
c got solution with objective value: 63070
c [startup+2.82364 s]  setting bit 19 to 1
c got solution with objective value: 63068
c [startup+2.95536 s]  setting bit 18 to 1
c got solution with objective value: 63068
c [startup+3.08905 s]  setting bit 17 to 1
c got solution with objective value: 63068
c [startup+3.22191 s]  setting bit 16 to 1
c got solution with objective value: 63068
c [startup+3.3567 s]  setting bit 15 to 1
c got solution with objective value: 46080
c [startup+5.09367 s]  setting bit 14 to 1
c [startup+10.2364 s]  setting bit 13 to 0

Decision: 10347/24767	Time: 3.9624/86400
Decision: 10347/24767	Time: 7.59384/86400c [startup+23.9246 s]  setting bit 12 to 0
c got solution with objective value: 44800
c [startup+26.3122 s]  setting bit 11 to 1
c [startup+40.1463 s]  setting bit 10 to 0

Decision: 10245/24767	Time: 4.98424/86400c [startup+54.3942 s]  setting bit 9 to 0

Decision: 10404/24767	Time: 5.41818/86400c [startup+70.9325 s]  setting bit 8 to 0
c got solution with objective value: 44800
c [startup+75.2225 s]  setting bit 7 to 1
c got solution with objective value: 44800
c [startup+78.6925 s]  setting bit 6 to 1
c [startup+82.5546 s]  setting bit 5 to 0
c got solution with objective value: 44800
c [startup+83.091 s]  setting bit 4 to 1
c got solution with objective value: 44800
c [startup+83.2334 s]  setting bit 3 to 1
c got solution with objective value: 44800
c [startup+83.3768 s]  setting bit 2 to 1
c got solution with objective value: 44800
c [startup+83.5193 s]  setting bit 1 to 1
c CONFLICT during preprocess 
c [startup+83.654 s]  setting bit 0 to 0
s OPTIMUM FOUND
v -X0_bit0 -X0_bit1 -X0_bit10 -X0_bit11 -X0_bit12 -X0_bit2 -X0_bit3 -X0_bit4 -X0_bit5 -X0_bit6 -X0_bit7 -X0_bit8 -X0_bit9 -X0_bit_1 -X0_bit_2 -X0_bit_3 -X0_bit_4 -X0_bit_5 -X0_bit_6 -X0_bit_7 -X10_bit0 -X10_bit1 -X10_bit10 -X10_bit11 -X10_bit12 -X10_bit2 -X10_bit3 -X10_bit4 -X10_bit5 -X10_bit6 -X10_bit7 -X10_bit8 -X10_bit9 -X10_bit_1 -X10_bit_2 -X10_bit_3 -X10_bit_4 -X10_bit_5 -X10_bit_6 -X10_bit_7 -X11_bit0 -X11_bit1 -X11_bit10 -X11_bit11 -X11_bit12 X11_bit2 -X11_bit3 X11_bit4 -X11_bit5 -X11_bit6 -X11_bit7 -X11_bit8 -X11_bit9 -X11_bit_1 -X11_bit_2 -X11_bit_3 -X11_bit_4 -X11_bit_5 -X11_bit_6 -X11_bit_7 -X1_bit0 -X1_bit1 -X1_bit10 -X1_bit11 -X1_bit12 -X1_bit2 -X1_bit3 -X1_bit4 -X1_bit5 -X1_bit6 -X1_bit7 -X1_bit8 -X1_bit9 -X1_bit_1 -X1_bit_2 -X1_bit_3 -X1_bit_4 -X1_bit_5 -X1_bit_6 -X1_bit_7 -X2_bit0 X2_bit1 -X2_bit10 -X2_bit11 -X2_bit12 -X2_bit2 X2_bit3 -X2_bit4 -X2_bit5 -X2_bit6 -X2_bit7 -X2_bit8 -X2_bit9 -X2_bit_1 -X2_bit_2 -X2_bit_3 -X2_bit_4 -X2_bit_5 -X2_bit_6 -X2_bit_7 -X3_bit0 -X3_bit1 -X3_bit10 -X3_bit11 -X3_bit12 -X3_bit2 -X3_bit3 -X3_bit4 -X3_bit5 -X3_bit6 -X3_bit7 -X3_bit8 -X3_bit9 -X3_bit_1 -X3_bit_2 -X3_bit_3 -X3_bit_4 -X3_bit_5 -X3_bit_6 -X3_bit_7 -X4_bit0 X4_bit1 -X4_bit10 -X4_bit11 -X4_bit12 X4_bit2 X4_bit3 X4_bit4 -X4_bit5 -X4_bit6 -X4_bit7 -X4_bit8 -X4_bit9 -X4_bit_1 -X4_bit_2 -X4_bit_3 -X4_bit_4 -X4_bit_5 -X4_bit_6 -X4_bit_7 -X5_bit0 -X5_bit1 -X5_bit10 -X5_bit11 -X5_bit12 -X5_bit2 -X5_bit3 -X5_bit4 -X5_bit5 -X5_bit6 -X5_bit7 -X5_bit8 -X5_bit9 -X5_bit_1 -X5_bit_2 -X5_bit_3 -X5_bit_4 -X5_bit_5 -X5_bit_6 -X5_bit_7 -X6_bit0 -X6_bit1 -X6_bit10 -X6_bit11 -X6_bit12 X6_bit2 -X6_bit3 X6_bit4 -X6_bit5 -X6_bit6 -X6_bit7 -X6_bit8 -X6_bit9 -X6_bit_1 -X6_bit_2 -X6_bit_3 -X6_bit_4 -X6_bit_5 -X6_bit_6 -X6_bit_7 -X7_bit0 -X7_bit1 -X7_bit10 -X7_bit11 -X7_bit12 X7_bit2 -X7_bit3 X7_bit4 -X7_bit5 -X7_bit6 -X7_bit7 -X7_bit8 -X7_bit9 -X7_bit_1 -X7_bit_2 -X7_bit_3 -X7_bit_4 -X7_bit_5 -X7_bit_6 -X7_bit_7 -X8_bit0 -X8_bit1 -X8_bit10 -X8_bit11 -X8_bit12 -X8_bit2 -X8_bit3 -X8_bit4 -X8_bit5 -X8_bit6 -X8_bit7 -X8_bit8 -X8_bit9 -X8_bit_1 -X8_bit_2 -X8_bit_3 -X8_bit_4 -X8_bit_5 -X8_bit_6 -X8_bit_7 -X9_bit0 -X9_bit1 -X9_bit10 -X9_bit11 -X9_bit12 -X9_bit2 -X9_bit3 -X9_bit4 -X9_bit5 -X9_bit6 -X9_bit7 -X9_bit8 -X9_bit9 -X9_bit_1 -X9_bit_2 -X9_bit_3 -X9_bit_4 -X9_bit_5 -X9_bit_6 -X9_bit_7 -Y0_bit0 -Y10_bit0 Y11_bit0 -Y1_bit0 Y2_bit0 -Y3_bit0 Y4_bit0 -Y5_bit0 Y6_bit0 Y7_bit0 -Y8_bit0 -Y9_bit0 
#### 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): 0.93 0.97 0.91 1/54 5095
Raw data (stat): 5095 (runsolver) R 5094 25568 25567 0 -1 64 8 0 0 0 0 0 0 0 19 0 1 0 807049332 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+10.0007 s]
Raw data (loadavg): 0.94 0.97 0.91 2/54 5095
Raw data (stat): 5095 (pb2sat) R 5094 25568 25567 0 -1 0 4340 0 0 0 990 9 0 0 25 0 1 0 807049332 12685312 2399 4294967295 134512640 135726644 3221224592 3221223088 134743982 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 3097 2399 300 300 0 2797 0
vsize: 12388
[startup+20.0008 s]
Raw data (loadavg): 0.95 0.97 0.91 2/54 5095
Raw data (stat): 5095 (pb2sat) R 5094 25568 25567 0 -1 0 4558 0 0 0 1988 10 0 0 25 0 1 0 807049332 12685312 2470 4294967295 134512640 135726644 3221224592 3221222912 134728934 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 3097 2470 300 300 0 2797 0
vsize: 12388
[startup+30.0051 s]
Raw data (loadavg): 0.95 0.97 0.91 2/54 5095
Raw data (stat): 5095 (pb2sat) R 5094 25568 25567 0 -1 0 4769 0 0 0 2987 12 0 0 25 0 1 0 807049332 12849152 2583 4294967295 134512640 135726644 3221224592 3221223088 134743955 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 3137 2583 300 300 0 2837 0
vsize: 12548
[startup+40.0051 s]
Raw data (loadavg): 0.96 0.97 0.91 2/54 5095
Raw data (stat): 5095 (pb2sat) R 5094 25568 25567 0 -1 0 4882 0 0 0 3986 13 0 0 25 0 1 0 807049332 14946304 2696 4294967295 134512640 135726644 3221224592 3221223088 134743980 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 3649 2696 300 300 0 3349 0
vsize: 14596
[startup+50.0052 s]
Raw data (loadavg): 0.97 0.97 0.91 2/54 5095
Raw data (stat): 5095 (pb2sat) R 5094 25568 25567 0 -1 0 5052 0 0 0 4986 13 0 0 25 0 1 0 807049332 15134720 2768 4294967295 134512640 135726644 3221224592 3221223212 135337969 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 3695 2768 300 300 0 3395 0
vsize: 14780
[startup+60.0093 s]
Raw data (loadavg): 0.97 0.97 0.91 2/54 5095
Raw data (stat): 5095 (pb2sat) R 5094 25568 25567 0 -1 0 5174 0 0 0 5986 14 0 0 25 0 1 0 807049332 15134720 2792 4294967295 134512640 135726644 3221224592 3221223088 134744063 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 3695 2792 300 300 0 3395 0
vsize: 14780
[startup+70.0169 s]
Raw data (loadavg): 0.98 0.97 0.91 2/54 5095
Raw data (stat): 5095 (pb2sat) R 5094 25568 25567 0 -1 0 5271 0 0 0 6987 14 0 0 25 0 1 0 807049332 15269888 2889 4294967295 134512640 135726644 3221224592 3221223088 134743990 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 3728 2889 300 300 0 3428 0
vsize: 14912
[startup+80.0167 s]
Raw data (loadavg): 0.98 0.97 0.91 2/54 5095
Raw data (stat): 5095 (pb2sat) R 5094 25568 25567 0 -1 0 5564 0 0 0 7986 15 0 0 25 0 1 0 807049332 15269888 3035 4294967295 134512640 135726644 3221224592 3221223136 134736661 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 3728 3035 300 300 0 3428 0
vsize: 14912
[startup+83.7297 s]
Raw data (loadavg): 0.98 0.97 0.91 1/53 5095
Raw data (stat): 5095 (pb2sat) R 5094 25568 25567 0 -1 0 5564 0 0 0 7986 15 0 0 25 0 1 0 807049332 15269888 3035 4294967295 134512640 135726644 3221224592 3221223136 134736661 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 3728 3035 300 300 0 3428 0
vsize: 0

Child status: 30
Real time (s): 83.7292
CPU time (s): 83.7353
CPU user time (s): 83.5613
CPU system time (s): 0.173973
CPU usage (%): 100.007
Max. virtual memory (Kb): 14912
#### END WATCHER DATA ####
#### BEGIN VERIFIER DATA ####
Verifier:	OK	44800
#### END VERIFIER DATA ####