Trace number 1885131

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 162.591 162.643

General information on the benchmark

Name/PURE-SAT/SAT09/CRAFTED/
edgematching/all/em_7_4_9_all.opb
MD5SUM9a5d69e530920eef84eb048c2f48d093
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 benchmark4.63229
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 constraints40187
Number of constraints which are clauses40187
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-1885131-1245263528.opb.
0.00/0.00	c Instance file HOME/instance-1885131-1245263528.opb
0.00/0.00	c File size is 1151935 bytes.
0.09/0.15	c Highest Coefficient sum: 26
0.09/0.15	c ============================[ Problem Statistics ]=============================
0.09/0.15	c |                                                                             |
0.09/0.15	c |  Parsing time:          0.15         s                                      |
0.09/0.15	c |  Number Variables:      1677                                                |
0.09/0.15	c |  Number Clauses:        40187                                               |
0.09/0.15	c |  Number Cardinality:    0                                                   |
0.09/0.15	c |  Number PB Constraints: 0                                                   |
0.09/0.15	c ============================[ Search Statistics ]==============================
0.09/0.15	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.09/0.15	c |           |    Vars     Ctrs     Lits |    Limit  Clauses Lit/Cl |          |
0.09/0.15	c ===============================================================================
0.09/0.15	c |         0 |    1677    40187    98603 |    13395        0    nan |  0.000 % |
0.09/0.16	c |       101 |    1677    40187    98603 |    14735      101     47 |  0.000 % |
0.09/0.17	c |       251 |    1677    40187    98603 |    16208      251     42 |  0.000 % |
0.09/0.19	c |       477 |    1677    40187    98603 |    17829      477     44 |  0.000 % |
0.19/0.23	c |       814 |    1673    40187    98603 |    19612      814     42 |  0.298 % |
0.19/0.27	c |      1320 |    1669    40187    98603 |    21573     1320     46 |  0.537 % |
0.29/0.36	c |      2080 |    1659    40187    98603 |    23731     2076     52 |  1.073 % |
0.49/0.52	c |      3219 |    1659    40187    98603 |    26104     3215     57 |  1.073 % |
0.79/0.81	c |      4928 |    1659    40187    98603 |    28714     4919     71 |  1.073 % |
1.29/1.38	c |      7490 |    1654    40187    98603 |    31586     7477     75 |  1.372 % |
2.38/2.49	c |     11335 |    1652    40187    98603 |    34744    11322     88 |  1.610 % |
4.69/4.75	c |     17101 |    1652    40187    98603 |    38219    17088    100 |  1.610 % |
10.09/10.17	c |     25750 |    1650    40187    98603 |    42041    25735    106 |  1.610 % |
22.38/22.44	c |     38725 |    1649    40187    98603 |    46245    38710    109 |  1.670 % |
44.98/45.08	c |     58187 |    1649    40187    98603 |    50870    31709    112 |  1.670 % |
91.76/91.88	c |     87385 |    1648    40187    98603 |    55957    33689    106 |  1.729 % |
162.54/162.62	c ===============================================================================
162.54/162.62	c Verified 40187 original clauses.
162.54/162.62	c #cores: 0
162.54/162.62	c Final Weight: 0
162.54/162.62	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-1885131-1245263528/watcher-1885131-1245263528 -o /tmp/evaluation-result-1885131-1245263528/solver-1885131-1245263528 -C 1800 -W 2000 -M 1800 wbo -file-format=opb -time-limit=1800 HOME/instance-1885131-1245263528.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: 1.00 1.00 0.95 3/64 16438
/proc/meminfo: memFree=1813040/2055920 swapFree=4181976/4192956
[pid=16438] ppid=16436 vsize=3664 CPUtime=0
/proc/16438/stat : 16438 (wbo) R 16436 16438 16129 0 -1 4194304 215 0 0 0 0 0 0 0 18 0 1 0 193952559 3751936 199 1992294400 134512640 135709839 4294956240 18446744073709551615 134542905 0 0 4096 3 0 0 0 17 1 0 0
/proc/16438/statm: 916 199 125 292 0 339 0

[startup+0.076696 s]
/proc/loadavg: 1.00 1.00 0.95 3/64 16438
/proc/meminfo: memFree=1813040/2055920 swapFree=4181976/4192956
[pid=16438] ppid=16436 vsize=4804 CPUtime=0.07
/proc/16438/stat : 16438 (wbo) R 16436 16438 16129 0 -1 4194304 617 0 0 0 7 0 0 0 18 0 1 0 193952559 4919296 601 1992294400 134512640 135709839 4294956240 18446744073709551615 134548059 0 0 4096 3 0 0 0 17 1 0 0
/proc/16438/statm: 1201 601 258 292 0 624 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 4804

[startup+0.101698 s]
/proc/loadavg: 1.00 1.00 0.95 3/64 16438
/proc/meminfo: memFree=1813040/2055920 swapFree=4181976/4192956
[pid=16438] ppid=16436 vsize=5068 CPUtime=0.09
/proc/16438/stat : 16438 (wbo) R 16436 16438 16129 0 -1 4194304 739 0 0 0 9 0 0 0 18 0 1 0 193952559 5189632 723 1992294400 134512640 135709839 4294956240 18446744073709551615 135168571 0 0 4096 3 0 0 0 17 1 0 0
/proc/16438/statm: 1267 724 303 292 0 690 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 5068

[startup+0.30173 s]
/proc/loadavg: 1.00 1.00 0.95 3/64 16438
/proc/meminfo: memFree=1813040/2055920 swapFree=4181976/4192956
[pid=16438] ppid=16436 vsize=5620 CPUtime=0.29
/proc/16438/stat : 16438 (wbo) R 16436 16438 16129 0 -1 4194304 1270 0 0 0 28 1 0 0 19 0 1 0 193952559 5754880 939 1992294400 134512640 135709839 4294956240 18446744073709551615 135232529 0 0 4096 3 0 0 0 17 1 0 0
/proc/16438/statm: 1405 939 135 292 0 1110 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 5620

[startup+0.701791 s]
/proc/loadavg: 1.00 1.00 0.95 3/64 16438
/proc/meminfo: memFree=1813040/2055920 swapFree=4181976/4192956
[pid=16438] ppid=16436 vsize=7204 CPUtime=0.69
/proc/16438/stat : 16438 (wbo) R 16436 16438 16129 0 -1 4194304 1660 0 0 0 66 3 0 0 23 0 1 0 193952559 7376896 1329 1992294400 134512640 135709839 4294956240 18446744073709551615 135232529 0 0 4096 3 0 0 0 17 1 0 0
/proc/16438/statm: 1801 1329 135 292 0 1506 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 7204

[startup+1.50191 s]
/proc/loadavg: 1.00 1.00 0.95 2/65 16439
/proc/meminfo: memFree=1807208/2055920 swapFree=4181976/4192956
[pid=16438] ppid=16436 vsize=9448 CPUtime=1.49
/proc/16438/stat : 16438 (wbo) R 16436 16438 16129 0 -1 4194304 2221 0 0 0 144 5 0 0 25 0 1 0 193952559 9674752 1890 1992294400 134512640 135709839 4294956240 18446744073709551615 135232529 0 0 4096 3 0 0 0 17 1 0 0
/proc/16438/statm: 2362 1890 135 292 0 2067 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 9448

[startup+3.10116 s]
/proc/loadavg: 1.00 1.00 0.95 2/65 16439
/proc/meminfo: memFree=1804264/2055920 swapFree=4181976/4192956
[pid=16438] ppid=16436 vsize=13540 CPUtime=3.08
/proc/16438/stat : 16438 (wbo) R 16436 16438 16129 0 -1 4194304 3240 0 0 0 301 7 0 0 25 0 1 0 193952559 13864960 2909 1992294400 134512640 135709839 4294956240 18446744073709551615 135232529 0 0 4096 3 0 0 0 17 1 0 0
/proc/16438/statm: 3385 2910 135 292 0 3090 0
Current children cumulated CPU time (s) 3.08
Current children cumulated vsize (KiB) 13540

[startup+6.30166 s]
/proc/loadavg: 1.00 1.00 0.95 2/65 16439
/proc/meminfo: memFree=1797736/2055920 swapFree=4181976/4192956
[pid=16438] ppid=16436 vsize=18556 CPUtime=6.29
/proc/16438/stat : 16438 (wbo) R 16436 16438 16129 0 -1 4194304 4499 0 0 0 618 11 0 0 25 0 1 0 193952559 19001344 4168 1992294400 134512640 135709839 4294956240 18446744073709551615 135232529 0 0 4096 3 0 0 0 17 1 0 0
/proc/16438/statm: 4639 4168 135 292 0 4344 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 18556

[startup+12.7016 s]
/proc/loadavg: 1.00 1.00 0.95 2/65 16439
/proc/meminfo: memFree=1790120/2055920 swapFree=4181976/4192956
[pid=16438] ppid=16436 vsize=25584 CPUtime=12.68
/proc/16438/stat : 16438 (wbo) R 16436 16438 16129 0 -1 4194304 6243 0 0 0 1253 15 0 0 25 0 1 0 193952559 26198016 5912 1992294400 134512640 135709839 4294956240 18446744073709551615 135232529 0 0 4096 3 0 0 0 17 1 0 0
/proc/16438/statm: 6396 5912 135 292 0 6101 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 25584

[startup+25.5016 s]
/proc/loadavg: 1.00 1.00 0.95 2/65 16439
/proc/meminfo: memFree=1779624/2055920 swapFree=4181976/4192956
[pid=16438] ppid=16436 vsize=35828 CPUtime=25.48
/proc/16438/stat : 16438 (wbo) R 16436 16438 16129 0 -1 4194304 8792 0 0 0 2526 22 0 0 25 0 1 0 193952559 36687872 8461 1992294400 134512640 135709839 4294956240 18446744073709551615 135232529 0 0 4096 3 0 0 0 17 1 0 0
/proc/16438/statm: 8957 8461 135 292 0 8662 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 35828

[startup+51.1018 s]
/proc/loadavg: 1.00 1.00 0.95 2/65 16439
/proc/meminfo: memFree=1759528/2055920 swapFree=4181976/4192956
[pid=16438] ppid=16436 vsize=55904 CPUtime=51.08
/proc/16438/stat : 16438 (wbo) R 16436 16438 16129 0 -1 4194304 13844 0 0 0 5074 34 0 0 25 0 1 0 193952559 57245696 13513 1992294400 134512640 135709839 4294956240 18446744073709551615 135232529 0 0 4096 3 0 0 0 17 1 0 0
/proc/16438/statm: 13976 13513 135 292 0 13681 0
Current children cumulated CPU time (s) 51.08
Current children cumulated vsize (KiB) 55904

[startup+102.306 s]
/proc/loadavg: 1.00 1.00 0.95 2/65 16439
/proc/meminfo: memFree=1728872/2055920 swapFree=4181976/4192956
[pid=16438] ppid=16436 vsize=86148 CPUtime=102.26
/proc/16438/stat : 16438 (wbo) R 16436 16438 16129 0 -1 4194304 21398 0 0 0 10173 53 0 0 25 0 1 0 193952559 88215552 21067 1992294400 134512640 135709839 4294956240 18446744073709551615 134573958 0 0 4096 3 0 0 0 17 1 0 0
/proc/16438/statm: 21537 21067 135 292 0 21242 0
Current children cumulated CPU time (s) 102.26
Current children cumulated vsize (KiB) 86148

[startup+162.302 s]
/proc/loadavg: 1.00 1.00 0.95 2/65 16439
/proc/meminfo: memFree=1699624/2055920 swapFree=4181976/4192956
[pid=16438] ppid=16436 vsize=115584 CPUtime=162.24
/proc/16438/stat : 16438 (wbo) R 16436 16438 16129 0 -1 4194304 28750 0 0 0 16155 69 0 0 25 0 1 0 193952559 118358016 28419 1992294400 134512640 135709839 4294956240 18446744073709551615 134573958 0 0 4096 3 0 0 0 17 1 0 0
/proc/16438/statm: 28896 28419 135 292 0 28601 0
Current children cumulated CPU time (s) 162.24
Current children cumulated vsize (KiB) 115584

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

[startup+162.502 s]
/proc/loadavg: 1.00 1.00 0.95 2/65 16439
/proc/meminfo: memFree=1699624/2055920 swapFree=4181976/4192956
[pid=16438] ppid=16436 vsize=115584 CPUtime=162.44
/proc/16438/stat : 16438 (wbo) R 16436 16438 16129 0 -1 4194304 28773 0 0 0 16175 69 0 0 25 0 1 0 193952559 118358016 28442 1992294400 134512640 135709839 4294956240 18446744073709551615 135232529 0 0 4096 3 0 0 0 17 1 0 0
/proc/16438/statm: 28896 28442 135 292 0 28601 0
Current children cumulated CPU time (s) 162.44
Current children cumulated vsize (KiB) 115584

[startup+162.602 s]
/proc/loadavg: 1.00 1.00 0.95 2/65 16439
/proc/meminfo: memFree=1699624/2055920 swapFree=4181976/4192956
[pid=16438] ppid=16436 vsize=115716 CPUtime=162.54
/proc/16438/stat : 16438 (wbo) R 16436 16438 16129 0 -1 4194304 28787 0 0 0 16185 69 0 0 25 0 1 0 193952559 118493184 28456 1992294400 134512640 135709839 4294956240 18446744073709551615 134573839 0 0 4096 3 0 0 0 17 1 0 0
/proc/16438/statm: 28929 28456 135 292 0 28634 0
Current children cumulated CPU time (s) 162.54
Current children cumulated vsize (KiB) 115716

Child status: 0
Real time (s): 162.643
CPU time (s): 162.591
CPU user time (s): 161.876
CPU system time (s): 0.714891
CPU usage (%): 99.9685
Max. virtual memory (cumulated for all children) (KiB): 115716

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 161.876
system time used= 0.714891
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 28794
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= 169

runsolver used 0.12998 second user time and 0.345947 second system time

The end

Launcher Data 

Begin job on node26 at 2009-06-17 20:32:08
IDJOB=1885131
IDBENCH=72026
IDSOLVER=698
FILE ID=node26/1885131-1245263528
PBS_JOBID= 9372427
Free space on /tmp= 66156 MiB

SOLVER NAME= wbo 1.0
BENCH NAME= PB09/normalized-PB09/PURE-SAT/SAT09/CRAFTED/edgematching/all/em_7_4_9_all.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-1885131-1245263528/watcher-1885131-1245263528 -o /tmp/evaluation-result-1885131-1245263528/solver-1885131-1245263528 -C 1800 -W 2000 -M 1800  wbo -file-format=opb -time-limit=1800 HOME/instance-1885131-1245263528.opb

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

MD5SUM BENCH= 9a5d69e530920eef84eb048c2f48d093
RANDOM SEED=1176422282

node26.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		: 3000.263
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		: 3000.263
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:       1813520 kB
Buffers:         19848 kB
Cached:         164692 kB
SwapCached:       4976 kB
Active:          53636 kB
Inactive:       138968 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1813520 kB
SwapTotal:     4192956 kB
SwapFree:      4181976 kB
Dirty:            3500 kB
Writeback:           0 kB
Mapped:          14292 kB
Slab:            35924 kB
Committed_AS:   190280 kB
PageTables:       1372 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264952 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

CONVERSION COMMAND LINE= PBconversionToLinear HOME/instance-1885131-1245263528.opb

Free space on /tmp at the end= 66152 MiB
End job on node26 at 2009-06-17 20:34:51