Trace number 1885081

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 into four (or five) parts:
  1. SOLVER DATA
    This is the output of the solver (stdout and stderr).
    Note that some very long lines in this section may be truncated by your web browser ! In such a case, you may want to use the "Download as text" link to get the trace as a text file.

    When the --timestamp option is passed to the runsolver program, each line output by the solver is prepended with a timestamp which indicates at what time the line was output by the solver. Times are relative to the start of the program, given in seconds. The first timestamp (if present) is estimated CPU time. The last timestamp is wall clock time.

    As some 'v lines' may be very long (sometimes several megabytes), the 'v line' output by your solver may be split on several lines to help limit the size of the trace recorded in the database. In any case, the exact output of your solver is preserved in a trace file.
  2. 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.
  3. CONVERSION SCRIPT DATA (Optionnal)
    When a conversion script is used, this section shows the messages that were output by the conversion script.
  4. 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 X seconds (see the parameters in the trace). 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 X+30 seconds which will send a SIGXPU to the solver. The last limit is on the virtual memory used by the process (see the parameters in the trace).
    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.
  5. 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 provides some useful information on the computer.

Solver answer on this benchmark

Solver NameAnswerCPU timeWall clock time
wbo 1.0SAT 55.7375 55.7652

General information on the benchmark

Name/PURE-SAT/SAT09/CRAFTED/edgematching/
explicit/em_7_4_9_exp.opb
MD5SUM8a8ab1fb9965f0a6ab2e49f3bbc9704b
Bench CategoryPURE-SAT (instances containing only clauses)
Best result obtained on this benchmarkSAT
Best value of the objective obtained on this benchmark0
Best CPU time to get the best result obtained on this benchmark2.76858
Has Objective FunctionNO
Satisfiable
(Un)Satisfiability was proved
Best value of the objective function
Optimality of the best value was proved
Number of variables1677
Total number of constraints26387
Number of constraints which are clauses26387
Number of constraints which are cardinality constraints (but not clauses)0
Number of constraints which are nor clauses,nor cardinality constraints0
Minimum length of a constraint2
Maximum length of a constraint25
Number of terms in the objective function 0
Biggest coefficient in the objective function 0
Number of bits for the biggest coefficient in the objective function 0
Sum of the numbers in the objective function 0
Number of bits of the sum of numbers in the objective function 0
Biggest number in a constraint 2
Number of bits of the biggest number in a constraint 2
Biggest sum of numbers in a constraint 26
Number of bits of the biggest sum of numbers5
Number of products (including duplicates)0
Sum of products size (including duplicates)0
Number of different products0
Sum of products size0

Solver Data 

0.00/0.00	c This is wbo 1.0 alpha (based on Minisat 2.0 beta)
0.00/0.00	c WARNING: for repeatability, setting FPU to use double precision
0.00/0.00	c Parsing opb file format. File HOME/instance-1885081-1245262743.opb.
0.00/0.00	c Instance file HOME/instance-1885081-1245262743.opb
0.00/0.00	c File size is 806935 bytes.
0.09/0.10	c Highest Coefficient sum: 26
0.09/0.10	c ============================[ Problem Statistics ]=============================
0.09/0.10	c |                                                                             |
0.09/0.10	c |  Parsing time:          0.10         s                                      |
0.09/0.10	c |  Number Variables:      1677                                                |
0.09/0.10	c |  Number Clauses:        26387                                               |
0.09/0.10	c |  Number Cardinality:    0                                                   |
0.09/0.10	c |  Number PB Constraints: 0                                                   |
0.09/0.10	c ============================[ Search Statistics ]==============================
0.09/0.10	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.09/0.10	c |           |    Vars     Ctrs     Lits |    Limit  Clauses Lit/Cl |          |
0.09/0.10	c ===============================================================================
0.09/0.10	c |         0 |    1677    26387    71003 |     8795        0    nan |  0.000 % |
0.09/0.10	c |       102 |    1677    26387    71003 |     9675      102     21 |  0.000 % |
0.09/0.11	c |       252 |    1677    26387    71003 |    10642      252     34 |  0.000 % |
0.09/0.13	c |       477 |    1667    26387    71003 |    11707      477     29 |  0.596 % |
0.09/0.14	c |       814 |    1667    26387    71003 |    12877      814     26 |  0.596 % |
0.09/0.17	c |      1321 |    1667    26387    71003 |    14165     1321     29 |  0.596 % |
0.19/0.21	c |      2080 |    1667    26387    71003 |    15582     2080     30 |  0.596 % |
0.29/0.31	c |      3219 |    1657    26387    71003 |    17140     3216     38 |  1.193 % |
0.39/0.49	c |      4929 |    1649    26387    71003 |    18854     4916     45 |  1.670 % |
0.79/0.88	c |      7491 |    1649    26387    71003 |    20739     7478     64 |  1.670 % |
1.59/1.68	c |     11337 |    1641    26387    71003 |    22813    11319     69 |  2.147 % |
3.69/3.76	c |     17103 |    1641    26387    71003 |    25095    17085     85 |  2.147 % |
7.69/7.72	c |     25752 |    1639    26387    71003 |    27604    12997     76 |  2.266 % |
16.78/16.85	c |     38726 |    1636    26387    71003 |    30365    25971    129 |  2.445 % |
31.97/32.06	c |     58189 |    1630    26387    71003 |    33401    30143    132 |  2.803 % |
55.66/55.75	c ===============================================================================
55.66/55.75	c Verified 26387 original clauses.
55.66/55.75	c #cores: 0
55.66/55.75	c Final Weight: 0
55.66/55.75	s SATISFIABLE
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Verifier Data 

OK	0

Watcher Data 

runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1885081-1245262743/watcher-1885081-1245262743 -o /tmp/evaluation-result-1885081-1245262743/solver-1885081-1245262743 -C 1800 -W 2000 -M 1800 wbo -file-format=opb -time-limit=1800 HOME/instance-1885081-1245262743.opb 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1800 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1830 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 2000 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 1843200 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 1894400 KiB
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 1.06 1.01 0.92 3/65 11083
/proc/meminfo: memFree=1748864/2055920 swapFree=4192812/4192956
[pid=11083] ppid=11081 vsize=3328 CPUtime=0
/proc/11083/stat : 11083 (wbo) R 11081 11083 10610 0 -1 4194304 221 0 0 0 0 0 0 0 18 0 1 0 193871121 3407872 205 1992294400 134512640 135709839 4294956240 18446744073709551615 135168571 0 0 4096 3 0 0 0 17 0 0 0
/proc/11083/statm: 832 205 127 292 0 339 0

[startup+0.075699 s]
/proc/loadavg: 1.06 1.01 0.92 3/65 11083
/proc/meminfo: memFree=1748864/2055920 swapFree=4192812/4192956
[pid=11083] ppid=11081 vsize=4484 CPUtime=0.07
/proc/11083/stat : 11083 (wbo) R 11081 11083 10610 0 -1 4194304 627 0 0 0 7 0 0 0 18 0 1 0 193871121 4591616 611 1992294400 134512640 135709839 4294956240 18446744073709551615 135168571 0 0 4096 3 0 0 0 17 0 0 0
/proc/11083/statm: 1121 611 265 292 0 628 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 4484

[startup+0.101703 s]
/proc/loadavg: 1.06 1.01 0.92 3/65 11083
/proc/meminfo: memFree=1748864/2055920 swapFree=4192812/4192956
[pid=11083] ppid=11081 vsize=4748 CPUtime=0.09
/proc/11083/stat : 11083 (wbo) R 11081 11083 10610 0 -1 4194304 754 0 0 0 9 0 0 0 18 0 1 0 193871121 4861952 738 1992294400 134512640 135709839 4294956240 18446744073709551615 135168571 0 0 4096 3 0 0 0 17 0 0 0
/proc/11083/statm: 1187 738 314 292 0 694 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 4748

[startup+0.301745 s]
/proc/loadavg: 1.06 1.01 0.92 3/65 11083
/proc/meminfo: memFree=1748864/2055920 swapFree=4192812/4192956
[pid=11083] ppid=11081 vsize=5232 CPUtime=0.29
/proc/11083/stat : 11083 (wbo) R 11081 11083 10610 0 -1 4194304 1084 0 0 0 28 1 0 0 19 0 1 0 193871121 5357568 870 1992294400 134512640 135709839 4294956240 18446744073709551615 135232529 0 0 4096 3 0 0 0 17 0 0 0
/proc/11083/statm: 1308 870 135 292 0 1013 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 5232

[startup+0.701827 s]
/proc/loadavg: 1.06 1.01 0.92 3/65 11083
/proc/meminfo: memFree=1748864/2055920 swapFree=4192812/4192956
[pid=11083] ppid=11081 vsize=6948 CPUtime=0.69
/proc/11083/stat : 11083 (wbo) R 11081 11083 10610 0 -1 4194304 1499 0 0 0 67 2 0 0 23 0 1 0 193871121 7114752 1285 1992294400 134512640 135709839 4294956240 18446744073709551615 135232529 0 0 4096 3 0 0 0 17 0 0 0
/proc/11083/statm: 1737 1285 135 292 0 1442 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 6948

[startup+1.50299 s]
/proc/loadavg: 1.05 1.01 0.92 2/66 11084
/proc/meminfo: memFree=1743096/2055920 swapFree=4192812/4192956
[pid=11083] ppid=11081 vsize=9500 CPUtime=1.49
/proc/11083/stat : 11083 (wbo) R 11081 11083 10610 0 -1 4194304 2154 0 0 0 145 4 0 0 25 0 1 0 193871121 9728000 1940 1992294400 134512640 135709839 4294956240 18446744073709551615 135232529 0 0 4096 3 0 0 0 17 0 0 0
/proc/11083/statm: 2375 1940 135 292 0 2080 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 9500

[startup+3.10132 s]
/proc/loadavg: 1.05 1.01 0.92 2/66 11084
/proc/meminfo: memFree=1740024/2055920 swapFree=4192812/4192956
[pid=11083] ppid=11081 vsize=13240 CPUtime=3.09
/proc/11083/stat : 11083 (wbo) R 11081 11083 10610 0 -1 4194304 3079 0 0 0 303 6 0 0 25 0 1 0 193871121 13557760 2865 1992294400 134512640 135709839 4294956240 18446744073709551615 135232529 0 0 4096 3 0 0 0 17 0 0 0
/proc/11083/statm: 3310 2865 135 292 0 3015 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 13240

[startup+6.30198 s]
/proc/loadavg: 1.05 1.01 0.92 2/66 11084
/proc/meminfo: memFree=1733624/2055920 swapFree=4192812/4192956
[pid=11083] ppid=11081 vsize=19048 CPUtime=6.28
/proc/11083/stat : 11083 (wbo) R 11081 11083 10610 0 -1 4194304 4520 0 0 0 620 8 0 0 25 0 1 0 193871121 19505152 4306 1992294400 134512640 135709839 4294956240 18446744073709551615 135232529 0 0 4096 3 0 0 0 17 0 0 0
/proc/11083/statm: 4762 4306 135 292 0 4467 0
Current children cumulated CPU time (s) 6.28
Current children cumulated vsize (KiB) 19048

[startup+12.7013 s]
/proc/loadavg: 1.04 1.01 0.92 2/66 11084
/proc/meminfo: memFree=1722680/2055920 swapFree=4192812/4192956
[pid=11083] ppid=11081 vsize=29212 CPUtime=12.68
/proc/11083/stat : 11083 (wbo) R 11081 11083 10610 0 -1 4194304 7063 0 0 0 1257 11 0 0 25 0 1 0 193871121 29913088 6849 1992294400 134512640 135709839 4294956240 18446744073709551615 134517178 0 0 4096 3 0 0 0 17 0 0 0
/proc/11083/statm: 7303 6849 135 292 0 7008 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 29212

[startup+25.5019 s]
/proc/loadavg: 1.04 1.01 0.92 2/66 11084
/proc/meminfo: memFree=1705080/2055920 swapFree=4192812/4192956
[pid=11083] ppid=11081 vsize=46404 CPUtime=25.47
/proc/11083/stat : 11083 (wbo) R 11081 11083 10610 0 -1 4194304 11350 0 0 0 2528 19 0 0 25 0 1 0 193871121 47517696 11136 1992294400 134512640 135709839 4294956240 18446744073709551615 135232529 0 0 4096 3 0 0 0 17 0 0 0
/proc/11083/statm: 11601 11136 135 292 0 11306 0
Current children cumulated CPU time (s) 25.47
Current children cumulated vsize (KiB) 46404

[startup+51.1012 s]
/proc/loadavg: 1.02 1.01 0.92 2/66 11084
/proc/meminfo: memFree=1676344/2055920 swapFree=4192812/4192956
[pid=11083] ppid=11081 vsize=75320 CPUtime=51.06
/proc/11083/stat : 11083 (wbo) R 11081 11083 10610 0 -1 4194304 18581 0 0 0 5073 33 0 0 25 0 1 0 193871121 77127680 18367 1992294400 134512640 135709839 4294956240 18446744073709551615 134573921 0 0 4096 3 0 0 0 17 0 0 0
/proc/11083/statm: 18830 18367 135 292 0 18535 0
Current children cumulated CPU time (s) 51.06
Current children cumulated vsize (KiB) 75320

Solver just ended. Dumping a history of the last processes samples

[startup+54.3019 s]
/proc/loadavg: 1.02 1.01 0.92 2/66 11084
/proc/meminfo: memFree=1671800/2055920 swapFree=4192812/4192956
[pid=11083] ppid=11081 vsize=79940 CPUtime=54.26
/proc/11083/stat : 11083 (wbo) R 11081 11083 10610 0 -1 4194304 19743 0 0 0 5391 35 0 0 25 0 1 0 193871121 81858560 19529 1992294400 134512640 135709839 4294956240 18446744073709551615 135232529 0 0 4096 3 0 0 0 17 0 0 0
/proc/11083/statm: 19985 19529 135 292 0 19690 0
Current children cumulated CPU time (s) 54.26
Current children cumulated vsize (KiB) 79940

[startup+55.1011 s]
/proc/loadavg: 1.02 1.01 0.92 2/66 11084
/proc/meminfo: memFree=1670520/2055920 swapFree=4192812/4192956
[pid=11083] ppid=11081 vsize=80732 CPUtime=55.06
/proc/11083/stat : 11083 (wbo) R 11081 11083 10610 0 -1 4194304 19944 0 0 0 5471 35 0 0 25 0 1 0 193871121 82669568 19730 1992294400 134512640 135709839 4294956240 18446744073709551615 134573761 0 0 4096 3 0 0 0 17 0 0 0
/proc/11083/statm: 20183 19730 135 292 0 19888 0
Current children cumulated CPU time (s) 55.06
Current children cumulated vsize (KiB) 80732

[startup+55.5011 s]
/proc/loadavg: 1.02 1.01 0.92 2/66 11084
/proc/meminfo: memFree=1670520/2055920 swapFree=4192812/4192956
[pid=11083] ppid=11081 vsize=81128 CPUtime=55.46
/proc/11083/stat : 11083 (wbo) R 11081 11083 10610 0 -1 4194304 20059 0 0 0 5511 35 0 0 25 0 1 0 193871121 83075072 19845 1992294400 134512640 135709839 4294956240 18446744073709551615 134573938 0 0 4096 3 0 0 0 17 0 0 0
/proc/11083/statm: 20282 19845 135 292 0 19987 0
Current children cumulated CPU time (s) 55.46
Current children cumulated vsize (KiB) 81128

[startup+55.7012 s]
/proc/loadavg: 1.02 1.01 0.92 2/66 11084
/proc/meminfo: memFree=1670520/2055920 swapFree=4192812/4192956
[pid=11083] ppid=11081 vsize=81392 CPUtime=55.66
/proc/11083/stat : 11083 (wbo) R 11081 11083 10610 0 -1 4194304 20106 0 0 0 5531 35 0 0 25 0 1 0 193871121 83345408 19892 1992294400 134512640 135709839 4294956240 18446744073709551615 135232529 0 0 4096 3 0 0 0 17 0 0 0
/proc/11083/statm: 20348 19892 135 292 0 20053 0
Current children cumulated CPU time (s) 55.66
Current children cumulated vsize (KiB) 81392

Child status: 0
Real time (s): 55.7652
CPU time (s): 55.7375
CPU user time (s): 55.3656
CPU system time (s): 0.371943
CPU usage (%): 99.9505
Max. virtual memory (cumulated for all children) (KiB): 81392

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 55.3656
system time used= 0.371943
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 20123
page faults= 0
swaps= 0
block input operations= 0
block output operations= 0
messages sent= 0
messages received= 0
signals received= 0
voluntary context switches= 2
involuntary context switches= 198

runsolver used 0.071989 second user time and 0.138978 second system time

The end

Launcher Data 

Begin job on node54 at 2009-06-17 20:19:03
IDJOB=1885081
IDBENCH=72021
IDSOLVER=698
FILE ID=node54/1885081-1245262743
PBS_JOBID= 9372401
Free space on /tmp= 66496 MiB

SOLVER NAME= wbo 1.0
BENCH NAME= PB09/normalized-PB09/PURE-SAT/SAT09/CRAFTED/edgematching/explicit/em_7_4_9_exp.opb
COMMAND LINE= wbo -file-format=opb -time-limit=TIMEOUT BENCHNAME
CONVERSION SCRIPT= PBconversionToLinear BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1885081-1245262743/watcher-1885081-1245262743 -o /tmp/evaluation-result-1885081-1245262743/solver-1885081-1245262743 -C 1800 -W 2000 -M 1800  wbo -file-format=opb -time-limit=1800 HOME/instance-1885081-1245262743.opb

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 0

MD5SUM BENCH= 8a8ab1fb9965f0a6ab2e49f3bbc9704b
RANDOM SEED=228538809

node54.alineos.net Linux 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005

/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 15
model		: 4
model name	:                   Intel(R) Xeon(TM) CPU 3.00GHz
stepping	: 3
cpu MHz		: 3000.259
cache size	: 2048 KB
fpu		: yes
fpu_exception	: yes
cpuid level	: 5
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx lm pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5931.00
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 15
model		: 4
model name	:                   Intel(R) Xeon(TM) CPU 3.00GHz
stepping	: 3
cpu MHz		: 3000.259
cache size	: 2048 KB
fpu		: yes
fpu_exception	: yes
cpuid level	: 5
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx lm pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5586.94
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055920 kB
MemFree:       1749408 kB
Buffers:         46464 kB
Cached:         185212 kB
SwapCached:          0 kB
Active:          60256 kB
Inactive:       185216 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1749408 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            3272 kB
Writeback:           0 kB
Mapped:          23604 kB
Slab:            46980 kB
Committed_AS:   139864 kB
PageTables:       1372 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264960 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

CONVERSION COMMAND LINE= PBconversionToLinear HOME/instance-1885081-1245262743.opb

Free space on /tmp at the end= 66492 MiB
End job on node54 at 2009-06-17 20:19:59