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/www.csit.fsu.edu/~burkardt/datasets/mps/normalized-mps-v2-20-10-maros.opb
MD5SUM	df23206734a7a5ecc1a5d03632e7fa81
Bench Category	optimization, big integers (OPTBIGINT)
Has Objective Function	YES
Satisfiable	YES
(Un)Satisfiability was proved	YES
Best value of the objective function	344750
Optimality of the best value was proved	NO
Number of terms in the objective function	90
Biggest coefficient in the objective function	4831838208
Number of bits for the biggest coefficient in the objective function	33
Sum of the numbers in the objective function	15032909794
Number of bits of the sum of numbers in the objective function	34
Biggest number in a constraint	4831838208
Number of bits of the biggest number in a constraint	33
Biggest sum of numbers in a constraint	15032909794
Number of bits of the biggest sum of numbers	34
Best result obtained on this benchmark	SAT
Best CPU time to get the best result obtained on this benchmark	29.6805
Number of variables	90
Total number of constraints	6
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	6
Minimum length of a constraint	15
Maximum length of a constraint	90

Trace number 35415

#### BEGIN LAUNCHER DATA ####
LAUNCH ON wulflinc4 THE 2005-05-28 13:06:43 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=24711 boxname=wulflinc4 idbench=1183 idsolver=17 numberseed=0
MD5SUM SOLVER: 
MD5SUM BENCH:  df23206734a7a5ecc1a5d03632e7fa81  /oldhome/oroussel/tmp/wulflinc4/normalized-mps-v2-20-10-maros.opb
REAL COMMAND:  pb2sat /oldhome/oroussel/tmp/wulflinc4/normalized-mps-v2-20-10-maros.opb
IDLAUNCH: 24711
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 2
cpu MHz		: 451.169
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		: 451.169
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:        747200 kB
Buffers:         33932 kB
Cached:         233008 kB
SwapCached:        640 kB
Active:          27188 kB
Inactive:       241936 kB
HighTotal:      131008 kB
HighFree:        18060 kB
LowTotal:       903652 kB
LowFree:        729140 kB
SwapTotal:     2097136 kB
SwapFree:      2095656 kB
Dirty:              32 kB
Writeback:           0 kB
Mapped:           5304 kB
Slab:            12560 kB
Committed_AS:    71792 kB
PageTables:        316 kB
VmallocTotal:   114680 kB
VmallocUsed:      1388 kB
VmallocChunk:   113256 kB
JOB ENDED THE 2005-05-28 13:09:51 (client local time) WITH STATUS 30 IN 187.565 SECONDS
stats: 24711 0 187.565 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: 380708
c [startup+0.340605 s]  setting bit 33 to 1
c got solution with objective value: 380708
c [startup+0.380348 s]  setting bit 32 to 1
c got solution with objective value: 380708
c [startup+0.419908 s]  setting bit 31 to 1
c CONFLICT during preprocess 
c [startup+0.443385 s]  setting bit 30 to 0
c CONFLICT during preprocess 
c [startup+0.467134 s]  setting bit 29 to 0
c CONFLICT during preprocess 
c [startup+0.491363 s]  setting bit 28 to 0
c CONFLICT during preprocess 
c [startup+0.515877 s]  setting bit 27 to 0
c CONFLICT during preprocess 
c [startup+0.540806 s]  setting bit 26 to 0
c CONFLICT during preprocess 
c [startup+0.565836 s]  setting bit 25 to 0
c CONFLICT during preprocess 
c [startup+0.591215 s]  setting bit 24 to 0
c CONFLICT during preprocess 
c [startup+0.616878 s]  setting bit 23 to 0
c CONFLICT during preprocess 
c [startup+0.642664 s]  setting bit 22 to 0
c CONFLICT during preprocess 
c [startup+0.668586 s]  setting bit 21 to 0
c CONFLICT during preprocess 
c [startup+0.694589 s]  setting bit 20 to 0
c CONFLICT during preprocess 
c [startup+0.720654 s]  setting bit 19 to 0
c [startup+0.884115 s]  setting bit 18 to 0
c got solution with objective value: 387688
c [startup+1.06618 s]  setting bit 17 to 1
c [startup+2.71977 s]  setting bit 16 to 0

Decision: 2196/7902	Time: 12.5171/86400c got solution with objective value: 359191
c [startup+15.7143 s]  setting bit 15 to 1

Decision: 2280/7902	Time: 3.01854/86400
Decision: 2280/7902	Time: 4.10837/86400
Decision: 2294/7902	Time: 5.41118/86400
Decision: 2294/7902	Time: 6.78797/86400
Decision: 2294/7902	Time: 8.31374/86400c [startup+31.1132 s]  setting bit 14 to 0
c got solution with objective value: 351296
c [startup+33.4861 s]  setting bit 13 to 1

Decision: 2227/7902	Time: 1.81173/86400
Decision: 2227/7902	Time: 3.2795/86400
Decision: 2227/7902	Time: 4.77428/86400
Decision: 2244/7902	Time: 6.85096/86400
Decision: 2244/7902	Time: 8.48171/86400
Decision: 2244/7902	Time: 10.3044/86400
Decision: 2253/7902	Time: 11.8962/86400
Decision: 2387/7902	Time: 14.6438/86400c got solution with objective value: 347455
c [startup+48.4998 s]  setting bit 12 to 1
c got solution with objective value: 345527
c [startup+51.4521 s]  setting bit 11 to 1

Decision: 2235/7902	Time: 2.02069/86400
Decision: 2235/7902	Time: 3.32349/86400
Decision: 2323/7902	Time: 6.06208/86400
Decision: 2404/7902	Time: 8.89265/86400
Decision: 2404/7902	Time: 10.7104/86400
Decision: 2498/7902	Time: 13.288/86400
Decision: 2505/7902	Time: 16.8774/86400
Decision: 2644/7902	Time: 20.5839/86400c got solution with objective value: 345056
c [startup+73.728 s]  setting bit 10 to 1

Decision: 2319/7902	Time: 5.31819/86400
Decision: 2461/7902	Time: 7.8668/86400
Decision: 2687/7902	Time: 10.9623/86400
Decision: 2687/7902	Time: 12.983/86400
Decision: 2951/7902	Time: 16.8834/86400c [startup+93.1236 s]  setting bit 9 to 0

Decision: 2314/7902	Time: 5.40218/86400
Decision: 2470/7902	Time: 8.74567/86400
Decision: 2576/7902	Time: 11.3433/86400
Decision: 2576/7902	Time: 13.7059/86400
Decision: 2576/7902	Time: 16.3415/86400c got solution with objective value: 344793
c [startup+110.42 s]  setting bit 8 to 1

Decision: 2665/7902	Time: 2.28465/86400
Decision: 2680/7902	Time: 6.63099/86400
Decision: 4453/7902	Time: 9.70652/86400
Decision: 4457/7902	Time: 12.0162/86400c [startup+124.007 s]  setting bit 7 to 0

Decision: 2953/7902	Time: 10.3624/86400
Decision: 3508/7902	Time: 14.8317/86400
Decision: 3598/7902	Time: 17.9663/86400
Decision: 3598/7902	Time: 20.3129/86400
Decision: 3722/7902	Time: 25.1222/86400c [startup+149.503 s]  setting bit 6 to 0
c got solution with objective value: 344769
c [startup+151.466 s]  setting bit 5 to 1
c got solution with objective value: 344754
c [startup+152.029 s]  setting bit 4 to 1

Decision: 3005/7902	Time: 8.5647/86400
Decision: 4465/7902	Time: 14.8497/86400
Decision: 4601/7902	Time: 18.0992/86400c [startup+171.447 s]  setting bit 3 to 0
c got solution with objective value: 344750
c [startup+186.299 s]  setting bit 2 to 1
c [startup+187.427 s]  setting bit 1 to 0
c CONFLICT during preprocess 
c [startup+187.49 s]  setting bit 0 to 0
s OPTIMUM FOUND
v VOL1_bit0 VOL1_bit1 -VOL1_bit10 -VOL1_bit11 -VOL1_bit12 -VOL1_bit13 -VOL1_bit14 -VOL1_bit15 -VOL1_bit16 -VOL1_bit17 -VOL1_bit18 -VOL1_bit19 -VOL1_bit2 -VOL1_bit3 -VOL1_bit4 -VOL1_bit5 -VOL1_bit6 -VOL1_bit7 -VOL1_bit8 -VOL1_bit9 -VOL1_bit_1 VOL1_bit_10 VOL1_bit_2 -VOL1_bit_3 VOL1_bit_4 -VOL1_bit_5 VOL1_bit_6 -VOL1_bit_7 VOL1_bit_8 -VOL1_bit_9 VOL2_bit0 -VOL2_bit1 -VOL2_bit10 -VOL2_bit11 -VOL2_bit12 -VOL2_bit13 -VOL2_bit14 -VOL2_bit15 -VOL2_bit16 -VOL2_bit17 -VOL2_bit18 -VOL2_bit19 VOL2_bit2 VOL2_bit3 -VOL2_bit4 -VOL2_bit5 -VOL2_bit6 -VOL2_bit7 -VOL2_bit8 -VOL2_bit9 -VOL2_bit_1 VOL2_bit_10 VOL2_bit_2 -VOL2_bit_3 VOL2_bit_4 -VOL2_bit_5 VOL2_bit_6 -VOL2_bit_7 VOL2_bit_8 -VOL2_bit_9 -VOL3_bit0 VOL3_bit1 VOL3_bit2 VOL3_bit3 VOL3_bit4 -VOL3_bit_1 -VOL3_bit_10 -VOL3_bit_2 -VOL3_bit_3 -VOL3_bit_4 -VOL3_bit_5 -VOL3_bit_6 -VOL3_bit_7 -VOL3_bit_8 -VOL3_bit_9 -VOL4_bit0 -VOL4_bit1 -VOL4_bit2 -VOL4_bit3 -VOL4_bit4 -VOL4_bit_1 VOL4_bit_10 -VOL4_bit_2 -VOL4_bit_3 -VOL4_bit_4 -VOL4_bit_5 -VOL4_bit_6 -VOL4_bit_7 -VOL4_bit_8 -VOL4_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): 0.90 0.95 0.91 1/54 30623
Raw data (stat): 30623 (runsolver) R 30622 21152 21151 0 -1 64 8 0 0 0 0 0 0 0 19 0 1 0 806803762 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+10.0002 s]
Raw data (loadavg): 0.92 0.95 0.91 2/54 30623
Raw data (stat): 30623 (pb2sat) R 30622 21152 21151 0 -1 0 1585 0 0 0 992 7 0 0 25 0 1 0 806803762 7024640 1108 4294967295 134512640 135726644 3221224592 3221223088 134743980 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 1715 1108 300 300 0 1415 0
vsize: 6860
[startup+20.001 s]
Raw data (loadavg): 0.93 0.96 0.91 2/54 30623
Raw data (stat): 30623 (pb2sat) R 30622 21152 21151 0 -1 0 1891 0 0 0 1989 9 0 0 25 0 1 0 806803762 7569408 1414 4294967295 134512640 135726644 3221224592 3221223088 134743955 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 1848 1414 300 300 0 1548 0
vsize: 7392
[startup+30.0022 s]
Raw data (loadavg): 1.01 0.97 0.91 2/54 30623
Raw data (stat): 30623 (pb2sat) R 30622 21152 21151 0 -1 0 1938 0 0 0 2988 10 0 0 25 0 1 0 806803762 7704576 1461 4294967295 134512640 135726644 3221224592 3221223088 134743953 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 1881 1461 300 300 0 1581 0
vsize: 7524
[startup+40.0017 s]
Raw data (loadavg): 1.01 0.97 0.91 2/54 30623
Raw data (stat): 30623 (pb2sat) R 30622 21152 21151 0 -1 0 2163 0 0 0 3987 12 0 0 25 0 1 0 806803762 8118272 1686 4294967295 134512640 135726644 3221224592 3221222664 135280592 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 1982 1686 300 300 0 1682 0
vsize: 7928
[startup+50.0032 s]
Raw data (loadavg): 1.01 0.97 0.91 2/54 30623
Raw data (stat): 30623 (pb2sat) R 30622 21152 21151 0 -1 0 2257 0 0 0 4985 13 0 0 25 0 1 0 806803762 8388608 1780 4294967295 134512640 135726644 3221224592 3221223088 134744163 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 2048 1780 300 300 0 1748 0
vsize: 8192
[startup+60.0035 s]
Raw data (loadavg): 1.01 0.97 0.91 2/54 30623
Raw data (stat): 30623 (pb2sat) R 30622 21152 21151 0 -1 0 2366 0 0 0 5983 15 0 0 25 0 1 0 806803762 10588160 1889 4294967295 134512640 135726644 3221224592 3221223088 134744379 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 2585 1889 300 300 0 2285 0
vsize: 10340
[startup+70.0044 s]
Raw data (loadavg): 1.00 0.97 0.91 2/54 30623
Raw data (stat): 30623 (pb2sat) R 30622 21152 21151 0 -1 0 2415 0 0 0 6983 16 0 0 25 0 1 0 806803762 10756096 1938 4294967295 134512640 135726644 3221224592 3221223088 134744260 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 2626 1938 300 300 0 2326 0
vsize: 10504
[startup+80.0055 s]
Raw data (loadavg): 1.00 0.97 0.91 2/54 30623
Raw data (stat): 30623 (pb2sat) R 30622 21152 21151 0 -1 0 3013 0 0 0 7981 18 0 0 25 0 1 0 806803762 12595200 2151 4294967295 134512640 135726644 3221224592 3221223212 135337969 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 3075 2151 300 300 0 2775 0
vsize: 12300
[startup+90.0054 s]
Raw data (loadavg): 1.00 0.97 0.91 2/54 30623
Raw data (stat): 30623 (pb2sat) R 30622 21152 21151 0 -1 0 3058 0 0 0 8980 19 0 0 25 0 1 0 806803762 12677120 2196 4294967295 134512640 135726644 3221224592 3221223216 134744518 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 3095 2196 300 300 0 2795 0
vsize: 12380
[startup+100.006 s]
Raw data (loadavg): 1.00 0.97 0.91 2/54 30623
Raw data (stat): 30623 (pb2sat) R 30622 21152 21151 0 -1 0 3194 0 0 0 9979 21 0 0 25 0 1 0 806803762 12857344 2332 4294967295 134512640 135726644 3221224592 3221223088 134744163 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 3139 2332 300 300 0 2839 0
vsize: 12556
[startup+110.007 s]
Raw data (loadavg): 1.00 0.97 0.91 2/54 30623
Raw data (stat): 30623 (pb2sat) R 30622 21152 21151 0 -1 0 3241 0 0 0 10977 22 0 0 25 0 1 0 806803762 12959744 2379 4294967295 134512640 135726644 3221224592 3221223212 135337969 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 3164 2379 300 300 0 2864 0
vsize: 12656
[startup+120.014 s]
Raw data (loadavg): 1.00 0.97 0.91 2/54 30623
Raw data (stat): 30623 (pb2sat) R 30622 21152 21151 0 -1 0 3373 0 0 0 11977 23 0 0 25 0 1 0 806803762 13090816 2511 4294967295 134512640 135726644 3221224592 3221223184 134760008 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 3196 2511 300 300 0 2896 0
vsize: 12784
[startup+130.014 s]
Raw data (loadavg): 1.00 0.97 0.91 2/54 30623
Raw data (stat): 30623 (pb2sat) R 30622 21152 21151 0 -1 0 3820 0 0 0 12974 26 0 0 25 0 1 0 806803762 17633280 2958 4294967295 134512640 135726644 3221224592 3221223088 134743980 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 4305 2958 300 300 0 4005 0
vsize: 17220
[startup+140.014 s]
Raw data (loadavg): 1.00 0.97 0.91 2/54 30623
Raw data (stat): 30623 (pb2sat) R 30622 21152 21151 0 -1 0 4026 0 0 0 13973 28 0 0 25 0 1 0 806803762 17735680 3164 4294967295 134512640 135726644 3221224592 3221223088 134744200 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 4330 3164 300 300 0 4030 0
vsize: 17320
[startup+150.015 s]
Raw data (loadavg): 1.00 0.97 0.91 2/54 30623
Raw data (stat): 30623 (pb2sat) R 30622 21152 21151 0 -1 0 4085 0 0 0 14972 28 0 0 25 0 1 0 806803762 17924096 3223 4294967295 134512640 135726644 3221224592 3221223088 134744163 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 4376 3223 300 300 0 4076 0
vsize: 17504
[startup+160.014 s]
Raw data (loadavg): 1.00 0.97 0.91 2/54 30623
Raw data (stat): 30623 (pb2sat) R 30622 21152 21151 0 -1 0 4108 0 0 0 15972 29 0 0 25 0 1 0 806803762 17924096 3246 4294967295 134512640 135726644 3221224592 3221223088 134743978 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 4376 3246 300 300 0 4076 0
vsize: 17504
[startup+170.014 s]
Raw data (loadavg): 1.00 0.97 0.91 2/54 30623
Raw data (stat): 30623 (pb2sat) R 30622 21152 21151 0 -1 0 4178 0 0 0 16971 30 0 0 25 0 1 0 806803762 18165760 3316 4294967295 134512640 135726644 3221224592 3221223184 134760490 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 4435 3316 300 300 0 4135 0
vsize: 17740
[startup+180.015 s]
Raw data (loadavg): 1.00 0.97 0.91 2/54 30623
Raw data (stat): 30623 (pb2sat) R 30622 21152 21151 0 -1 0 4237 0 0 0 17970 31 0 0 25 0 1 0 806803762 18386944 3375 4294967295 134512640 135726644 3221224592 3221223088 134743955 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 4489 3375 300 300 0 4189 0
vsize: 17956
[startup+187.561 s]
Raw data (loadavg): 1.00 0.97 0.91 1/53 30623
Raw data (stat): 30623 (pb2sat) R 30622 21152 21151 0 -1 0 4237 0 0 0 17970 31 0 0 25 0 1 0 806803762 18386944 3375 4294967295 134512640 135726644 3221224592 3221223088 134743955 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 4489 3375 300 300 0 4189 0
vsize: 0

Child status: 30
Real time (s): 187.56
CPU time (s): 187.565
CPU user time (s): 187.228
CPU system time (s): 0.337948
CPU usage (%): 100.003
Max. virtual memory (Kb): 17956
#### END WATCHER DATA ####
#### BEGIN VERIFIER DATA ####
Verifier:	OK	344750
#### END VERIFIER DATA ####