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/miplib/normalized-mps-v2-20-10-misc01.opb
MD5SUM	a96963da6c162c27e4853a5140494bde
Bench Category	optimization, big integers (OPTBIGINT)
Has Objective Function	YES
Satisfiable	YES
(Un)Satisfiability was proved	YES
Best value of the objective function	1074317824
Optimality of the best value was proved	NO
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	1073741824
Number of bits of the biggest number in a constraint	31
Biggest sum of numbers in a constraint	3223595007
Number of bits of the biggest sum of numbers	32
Best result obtained on this benchmark	SAT
Best CPU time to get the best result obtained on this benchmark	2.37864
Number of variables	113
Total number of constraints	136
Number of constraints which are clauses	15
Number of constraints which are cardinality constraints (but not clauses)	88
Number of constraints which are nor clauses,nor cardinality constraints	33
Minimum length of a constraint	1
Maximum length of a constraint	101

Trace number 42398

#### BEGIN LAUNCHER DATA ####
LAUNCH ON wulflinc1 THE 2005-06-16 06:43:08 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=25619 boxname=wulflinc1 idbench=919 idsolver=18 numberseed=0
MD5SUM SOLVER: 
MD5SUM BENCH:  a96963da6c162c27e4853a5140494bde  /oldhome/oroussel/tmp/wulflinc1/normalized-mps-v2-20-10-misc01.opb
REAL COMMAND:  pb2sat-v2 /oldhome/oroussel/tmp/wulflinc1/normalized-mps-v2-20-10-misc01.opb
IDLAUNCH: 25619
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 2
cpu MHz		: 451.053
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		: 451.053
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:        704480 kB
Buffers:         33364 kB
Cached:         272736 kB
SwapCached:       1192 kB
Active:          40596 kB
Inactive:       267832 kB
HighTotal:      131008 kB
HighFree:          868 kB
LowTotal:       903652 kB
LowFree:        703612 kB
SwapTotal:     2097136 kB
SwapFree:      2094880 kB
Dirty:              28 kB
Writeback:           0 kB
Mapped:           5364 kB
Slab:            15784 kB
Committed_AS:    92704 kB
PageTables:        332 kB
VmallocTotal:   114680 kB
VmallocUsed:      1388 kB
VmallocChunk:   113256 kB
JOB ENDED THE 2005-06-16 06:45:55 (client local time) WITH STATUS 30 IN 166.652 SECONDS
stats: 25619 0 166.652 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: 1074469888
c small objective detected
c CONFLICT during preprocess 
c [startup+6.11988 s]  setting bit 30 to 0
c CONFLICT during preprocess 
c [startup+6.51446 s]  setting bit 29 to 0
c CONFLICT during preprocess 
c [startup+6.9071 s]  setting bit 28 to 0
c CONFLICT during preprocess 
c [startup+7.30071 s]  setting bit 27 to 0
c CONFLICT during preprocess 
c [startup+7.69771 s]  setting bit 26 to 0
c CONFLICT during preprocess 
c [startup+8.09214 s]  setting bit 25 to 0
c CONFLICT during preprocess 
c [startup+8.48406 s]  setting bit 24 to 0
c CONFLICT during preprocess 
c [startup+8.87932 s]  setting bit 23 to 0
c CONFLICT during preprocess 
c [startup+9.27079 s]  setting bit 22 to 0
c CONFLICT during preprocess 
c [startup+9.66589 s]  setting bit 21 to 0
c CONFLICT during preprocess 
c [startup+10.0705 s]  setting bit 20 to 0
c [startup+16.0771 s]  setting bit 19 to 0
c [startup+53.8042 s]  setting bit 18 to 0
c got solution with objective value: 1074329088
c [startup+59.4794 s]  setting bit 17 to 1
c [startup+95.0336 s]  setting bit 16 to 0
c [startup+125.739 s]  setting bit 15 to 0
c got solution with objective value: 1074317824
c [startup+132.581 s]  setting bit 14 to 1
c [startup+150.194 s]  setting bit 13 to 0
c got solution with objective value: 1074317824
c [startup+150.892 s]  setting bit 12 to 1
c [startup+156.506 s]  setting bit 11 to 0
c [startup+158.827 s]  setting bit 10 to 0
c [startup+160.358 s]  setting bit 9 to 0
c got solution with objective value: 1074317824
c [startup+161.053 s]  setting bit 8 to 1
c got solution with objective value: 1074317824
c [startup+161.721 s]  setting bit 7 to 1
c got solution with objective value: 1074317824
c [startup+162.386 s]  setting bit 6 to 1
c got solution with objective value: 1074317824
c [startup+163.055 s]  setting bit 5 to 1
c got solution with objective value: 1074317824
c [startup+163.72 s]  setting bit 4 to 1
c got solution with objective value: 1074317824
c [startup+164.387 s]  setting bit 3 to 1
c got solution with objective value: 1074317824
c [startup+165.054 s]  setting bit 2 to 1
c got solution with objective value: 1074317824
c [startup+165.721 s]  setting bit 1 to 1
c got solution with objective value: 1074317824
c [startup+166.386 s]  setting bit 0 to 1
s OPTIMUM FOUND
v -COL001_bit0 -COL002_bit0 -COL003_bit0 -COL004_bit0 -COL005_bit0 -COL006_bit0 -COL007_bit0 -COL008_bit0 COL009_bit0 -COL010_bit0 -COL011_bit0 -COL012_bit0 COL013_bit0 -COL014_bit0 -COL015_bit0 -COL016_bit0 -COL017_bit0 -COL018_bit0 -COL019_bit0 -COL020_bit0 -COL021_bit0 -COL022_bit0 -COL023_bit0 -COL024_bit0 -COL025_bit0 -COL026_bit0 -COL027_bit0 -COL028_bit0 -COL029_bit0 -COL030_bit0 -COL031_bit0 COL032_bit0 -COL033_bit0 -COL034_bit0 -COL035_bit0 -COL036_bit0 -COL037_bit0 -COL038_bit0 -COL039_bit0 -COL040_bit0 -COL041_bit0 -COL042_bit0 -COL043_bit0 -COL044_bit0 -COL045_bit0 -COL046_bit0 -COL047_bit0 COL048_bit0 -COL049_bit0 -COL050_bit0 COL051_bit0 -COL052_bit0 -COL053_bit0 -COL054_bit0 -COL055_bit0 -COL056_bit0 -COL057_bit0 -COL058_bit0 -COL059_bit0 -COL060_bit0 -COL061_bit0 -COL062_bit0 -COL063_bit0 -COL064_bit0 -COL065_bit0 COL066_bit0 -COL067_bit0 -COL068_bit0 -COL069_bit0 -COL070_bit0 -COL071_bit0 -COL072_bit0 COL073_bit0 COL074_bit0 COL075_bit0 -COL076_bit0 COL077_bit0 -COL078_bit0 -COL079_bit0 COL080_bit0 -COL081_bit0 COL082_bit0 -COL083_bit0 COL083_bit1 -COL083_bit10 -COL083_bit11 -COL083_bit12 -COL083_bit13 -COL083_bit14 -COL083_bit15 -COL083_bit16 -COL083_bit17 -COL083_bit18 -COL083_bit19 -COL083_bit2 COL083_bit20 -COL083_bit3 COL083_bit4 COL083_bit5 -COL083_bit6 -COL083_bit7 -COL083_bit8 COL083_bit9 COL083_bit_1 -COL083_bit_10 -COL083_bit_2 -COL083_bit_3 -COL083_bit_4 -COL083_bit_5 -COL083_bit_6 -COL083_bit_7 -COL083_bit_8 -COL083_bit_9 
#### 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): 0.92 0.95 0.90 1/55 15018
Raw data (stat): 15018 (runsolver) R 15017 8378 8377 0 -1 64 8 0 0 0 0 0 0 0 19 0 1 0 911835384 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+10.001 s]
Raw data (loadavg): 0.93 0.96 0.91 2/55 15018
Raw data (stat): 15018 (pb2sat-v2) R 15017 8378 8377 0 -1 0 17000 0 0 0 967 31 0 0 25 0 1 0 911835384 44871680 8750 4294967295 134512640 135730672 3221224576 3221223088 134739842 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 10955 8750 301 301 0 10654 0
vsize: 43820
[startup+20.0008 s]
Raw data (loadavg): 0.94 0.96 0.91 2/55 15018
Raw data (stat): 15018 (pb2sat-v2) R 15017 8378 8377 0 -1 0 18163 0 0 0 1965 33 0 0 25 0 1 0 911835384 47448064 9248 4294967295 134512640 135730672 3221224576 3221222864 134747651 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 11584 9248 301 301 0 11283 0
vsize: 46336
[startup+30.0016 s]
Raw data (loadavg): 0.95 0.96 0.91 2/55 15018
Raw data (stat): 15018 (pb2sat-v2) R 15017 8378 8377 0 -1 0 18246 0 0 0 2964 33 0 0 25 0 1 0 911835384 47710208 9266 4294967295 134512640 135730672 3221224576 3221222688 134732476 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 11648 9266 301 301 0 11347 0
vsize: 46592
[startup+40.0014 s]
Raw data (loadavg): 0.96 0.96 0.91 2/55 15018
Raw data (stat): 15018 (pb2sat-v2) R 15017 8378 8377 0 -1 0 18255 0 0 0 3964 34 0 0 25 0 1 0 911835384 47710208 9275 4294967295 134512640 135730672 3221224576 3221223024 134734847 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 11648 9275 301 301 0 11347 0
vsize: 46592
[startup+50.0021 s]
Raw data (loadavg): 0.96 0.96 0.91 2/55 15018
Raw data (stat): 15018 (pb2sat-v2) R 15017 8378 8377 0 -1 0 18262 0 0 0 4964 34 0 0 25 0 1 0 911835384 47710208 9282 4294967295 134512640 135730672 3221224576 3221222864 134747541 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 11648 9282 301 301 0 11347 0
vsize: 46592
[startup+60.002 s]
Raw data (loadavg): 0.97 0.96 0.91 2/55 15018
Raw data (stat): 15018 (pb2sat-v2) R 15017 8378 8377 0 -1 0 18819 0 0 0 5962 35 0 0 25 0 1 0 911835384 48103424 9327 4294967295 134512640 135730672 3221224576 3221223012 134748064 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 11744 9327 301 301 0 11443 0
vsize: 46976
[startup+70.0017 s]
Raw data (loadavg): 0.97 0.96 0.91 2/55 15018
Raw data (stat): 15018 (pb2sat-v2) R 15017 8378 8377 0 -1 0 18833 0 0 0 6962 35 0 0 25 0 1 0 911835384 48103424 9341 4294967295 134512640 135730672 3221224576 3221222864 134747610 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 11744 9341 301 301 0 11443 0
vsize: 46976
[startup+80.0024 s]
Raw data (loadavg): 0.98 0.96 0.91 2/55 15018
Raw data (stat): 15018 (pb2sat-v2) R 15017 8378 8377 0 -1 0 18845 0 0 0 7962 36 0 0 25 0 1 0 911835384 48103424 9353 4294967295 134512640 135730672 3221224576 3221222864 134747543 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 11744 9353 301 301 0 11443 0
vsize: 46976
[startup+90.0022 s]
Raw data (loadavg): 0.98 0.96 0.91 2/55 15018
Raw data (stat): 15018 (pb2sat-v2) R 15017 8378 8377 0 -1 0 18863 0 0 0 8962 36 0 0 25 0 1 0 911835384 48103424 9371 4294967295 134512640 135730672 3221224576 3221222992 134748091 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 11744 9371 301 301 0 11443 0
vsize: 46976
[startup+100.003 s]
Raw data (loadavg): 0.98 0.96 0.91 2/55 15018
Raw data (stat): 15018 (pb2sat-v2) R 15017 8378 8377 0 -1 0 19166 0 0 0 9961 36 0 0 25 0 1 0 911835384 48365568 9402 4294967295 134512640 135730672 3221224576 3221222864 134747651 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 11808 9402 301 301 0 11507 0
vsize: 47232
[startup+110.004 s]
Raw data (loadavg): 0.98 0.97 0.91 2/55 15018
Raw data (stat): 15018 (pb2sat-v2) R 15017 8378 8377 0 -1 0 19189 0 0 0 10960 37 0 0 25 0 1 0 911835384 48365568 9425 4294967295 134512640 135730672 3221224576 3221222864 134747536 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 11808 9425 301 301 0 11507 0
vsize: 47232
[startup+120.004 s]
Raw data (loadavg): 0.99 0.97 0.91 2/55 15018
Raw data (stat): 15018 (pb2sat-v2) R 15017 8378 8377 0 -1 0 19204 0 0 0 11960 37 0 0 25 0 1 0 911835384 48365568 9440 4294967295 134512640 135730672 3221224576 3221222864 134747751 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 11808 9440 301 301 0 11507 0
vsize: 47232
[startup+130.003 s]
Raw data (loadavg): 0.99 0.97 0.91 2/55 15018
Raw data (stat): 15018 (pb2sat-v2) R 15017 8378 8377 0 -1 0 19425 0 0 0 12960 38 0 0 25 0 1 0 911835384 48365568 9454 4294967295 134512640 135730672 3221224576 3221222864 134747543 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 11808 9454 301 301 0 11507 0
vsize: 47232
[startup+140.003 s]
Raw data (loadavg): 0.99 0.97 0.91 2/55 15018
Raw data (stat): 15018 (pb2sat-v2) R 15017 8378 8377 0 -1 0 19667 0 0 0 13960 38 0 0 25 0 1 0 911835384 48365568 9489 4294967295 134512640 135730672 3221224576 3221222864 134747543 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 11808 9489 301 301 0 11507 0
vsize: 47232
[startup+150.004 s]
Raw data (loadavg): 0.99 0.97 0.91 2/55 15018
Raw data (stat): 15018 (pb2sat-v2) R 15017 8378 8377 0 -1 0 19690 0 0 0 14960 38 0 0 25 0 1 0 911835384 48365568 9512 4294967295 134512640 135730672 3221224576 3221222960 134763582 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 11808 9512 301 301 0 11507 0
vsize: 47232
[startup+160.005 s]
Raw data (loadavg): 0.99 0.97 0.91 2/55 15018
Raw data (stat): 15018 (pb2sat-v2) R 15017 8378 8377 0 -1 0 20536 0 0 0 15958 40 0 0 25 0 1 0 911835384 48365568 9530 4294967295 134512640 135730672 3221224576 3221222688 134732518 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 11808 9530 301 301 0 11507 0
vsize: 47232
[startup+166.67 s]
Raw data (loadavg): 0.99 0.97 0.91 1/54 15018
Raw data (stat): 15018 (pb2sat-v2) R 15017 8378 8377 0 -1 0 20536 0 0 0 15958 40 0 0 25 0 1 0 911835384 48365568 9530 4294967295 134512640 135730672 3221224576 3221222688 134732518 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 11808 9530 301 301 0 11507 0
vsize: 0

Child status: 30
Real time (s): 166.669
CPU time (s): 166.652
CPU user time (s): 166.195
CPU system time (s): 0.45693
CPU usage (%): 99.9893
Max. virtual memory (Kb): 47232
#### END WATCHER DATA ####
#### BEGIN VERIFIER DATA ####
Verifier:	OK	1074317824
#### END VERIFIER DATA ####