Trace number 1785961

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
IUT_BMB_SAT 1.0SAT 7.41187 7.41727

General information on the benchmark

NameCRAFTED/rbsat/random/
forced/rbsat-v760c43649gyes10.cnf
MD5SUM81c9aa5c768c12f86139286d1d6bc62c
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark6.91695
Satisfiable
(Un)Satisfiability was proved
Number of variables760
Number of clauses43649
Sum of the clauses size87978
Maximum clause length19
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 243609
Number of clauses of size 30
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 540

Solver Data 

0.00/0.00	c IUT_BMB_SAT version 1.0
0.59/0.68	c WARNING: for repeatability, setting FPU to use double precision
0.59/0.68	c ============================[ Problem Statistics ]=============================
0.59/0.68	c |                                                                             |
0.59/0.68	c |  Number of variables:  760                                                  |
0.59/0.68	c |  Number of clauses:    43649                                                |
0.67/0.71	c |  Parsing time:         0.02         s                                       |
1.08/1.14	c ============================[ Search Statistics ]==============================
1.08/1.14	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
1.08/1.14	c |           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
1.08/1.14	c ===============================================================================
1.08/1.14	c |         0 |     720    40381   114934 |    13460        0    nan |  0.000 % |
1.08/1.15	c |       101 |     720    40381   114934 |    14806      101     70 |  0.000 % |
1.08/1.17	c |       252 |     720    40381   114934 |    16287      252     70 |  0.000 % |
1.08/1.19	c |       477 |     720    40381   114934 |    17915      477     69 |  0.000 % |
1.18/1.22	c |       814 |     720    40381   114934 |    19707      814     75 |  0.000 % |
1.18/1.27	c |      1321 |     720    40381   114934 |    21678     1321     74 |  0.000 % |
1.28/1.36	c |      2080 |     720    40381   114934 |    23845     2080     73 |  0.000 % |
1.48/1.51	c |      3221 |     720    40381   114934 |    26230     3221     77 |  0.000 % |
1.67/1.79	c |      4931 |     720    40381   114934 |    28853     4931     79 |  0.000 % |
2.27/2.34	c |      7495 |     720    40381   114934 |    31738     7495     79 |  0.000 % |
3.18/3.25	c |     11340 |     720    40381   114934 |    34912    11340     76 |  0.000 % |
5.07/5.19	c |     17107 |     720    40381   114934 |    38403    17107     75 |  0.000 % |
7.27/7.34	c ===============================================================================
7.27/7.34	c restarts              : 12
7.27/7.34	c conflicts             : 20514          (3095 /sec)
7.27/7.34	c decisions             : 31056          (1.25 % random) (4686 /sec)
7.27/7.34	c propagations          : 2069696        (312266 /sec)
7.27/7.34	c conflict literals     : 1564954        (31.01 % deleted)
7.27/7.34	c Memory used           : 11.38 MB
7.27/7.34	c CPU time              : 6.62799 s
7.27/7.34	
7.27/7.34	s SATISFIABLE
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Verifier Data 

OK

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1785961-1241937879/watcher-1785961-1241937879 -o /tmp/evaluation-result-1785961-1241937879/solver-1785961-1241937879 -C 5000 -W 6000 -M 1800 IUT_BMB_SAT HOME/instance-1785961-1241937879.cnf HOME 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 5000 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 5030 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 6000 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: 0.88 0.97 0.99 3/64 30225
/proc/meminfo: memFree=1755040/2055920 swapFree=4156280/4192956
[pid=30225] ppid=30223 vsize=1796 CPUtime=0
/proc/30225/stat : 30225 (IUT_BMB_SAT) R 30223 30225 30157 0 -1 4194304 191 0 0 0 0 0 0 0 18 0 1 0 221815355 1839104 174 1992294400 134512640 135635285 4294956224 18446744073709551615 134533644 0 0 4096 0 0 0 0 17 0 0 0
/proc/30225/statm: 449 174 90 274 0 172 0

[startup+0.0474089 s]
/proc/loadavg: 0.88 0.97 0.99 3/64 30225
/proc/meminfo: memFree=1755040/2055920 swapFree=4156280/4192956
[pid=30225] ppid=30223 vsize=2628 CPUtime=0.04
/proc/30225/stat : 30225 (IUT_BMB_SAT) R 30223 30225 30157 0 -1 4194304 475 0 0 0 4 0 0 0 18 0 1 0 221815355 2691072 458 1992294400 134512640 135635285 4294956224 18446744073709551615 135072790 0 0 4096 0 0 0 0 17 0 0 0
/proc/30225/statm: 657 458 97 274 0 380 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 2628

[startup+0.101413 s]
/proc/loadavg: 0.88 0.97 0.99 3/64 30225
/proc/meminfo: memFree=1755040/2055920 swapFree=4156280/4192956
[pid=30225] ppid=30223 vsize=3420 CPUtime=0.09
/proc/30225/stat : 30225 (IUT_BMB_SAT) R 30223 30225 30157 0 -1 4194304 679 0 0 0 9 0 0 0 18 0 1 0 221815355 3502080 662 1992294400 134512640 135635285 4294956224 18446744073709551615 135072790 0 0 4096 0 0 0 0 17 0 0 0
/proc/30225/statm: 855 662 97 274 0 578 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 3420

[startup+0.301426 s]
/proc/loadavg: 0.88 0.97 0.99 3/64 30225
/proc/meminfo: memFree=1755040/2055920 swapFree=4156280/4192956
[pid=30225] ppid=30223 vsize=6720 CPUtime=0.29
/proc/30225/stat : 30225 (IUT_BMB_SAT) R 30223 30225 30157 0 -1 4194304 1514 0 0 0 29 0 0 0 20 0 1 0 221815355 6881280 1497 1992294400 134512640 135635285 4294956224 18446744073709551615 135072790 0 0 4096 0 0 0 0 17 0 0 0
/proc/30225/statm: 1680 1497 97 274 0 1403 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 6720

[startup+0.701454 s]
/proc/loadavg: 0.88 0.97 0.99 3/64 30225
/proc/meminfo: memFree=1755040/2055920 swapFree=4156280/4192956
[pid=30225] ppid=30223 vsize=9476 CPUtime=0.67
/proc/30225/stat : 30225 (IUT_BMB_SAT) S 30223 30225 30157 0 -1 4194304 2185 0 0 0 52 15 0 0 23 0 1 0 221815355 9703424 2167 1992294400 134512640 135635285 4294956224 18446744073709551615 135129070 0 65536 4102 0 18446744071563356171 0 0 17 0 0 0
/proc/30225/statm: 2369 2167 105 274 0 2092 0
Current children cumulated CPU time (s) 0.67
Current children cumulated vsize (KiB) 9476

[startup+1.50151 s]
/proc/loadavg: 0.88 0.97 0.99 2/67 30228
/proc/meminfo: memFree=1742152/2055920 swapFree=4156280/4192956
[pid=30225] ppid=30223 vsize=9476 CPUtime=0.67
/proc/30225/stat : 30225 (IUT_BMB_SAT) S 30223 30225 30157 0 -1 4194304 2185 0 0 0 52 15 0 0 23 0 1 0 221815355 9703424 2167 1992294400 134512640 135635285 4294956224 18446744073709551615 135129070 0 65536 4102 0 18446744071563356171 0 0 17 0 0 0
/proc/30225/statm: 2369 2167 105 274 0 2092 0
[pid=30227] ppid=30225 vsize=5356 CPUtime=0
/proc/30227/stat : 30227 (sh) S 30225 30225 30157 0 -1 4194304 270 0 0 0 0 0 0 0 18 0 1 0 221815423 5484544 232 1992294400 4194304 4889804 548682068912 18446744073709551615 273653752644 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/30227/statm: 1339 232 193 169 0 50 0
[pid=30228] ppid=30227 vsize=5332 CPUtime=0.81
/proc/30228/stat : 30228 (minisat) R 30227 30225 30157 0 -1 4194304 1185 0 0 0 81 0 0 0 25 0 1 0 221815423 5459968 1063 1992294400 134512640 135243223 4294956320 18446744073709551615 134747750 0 0 4096 3 0 0 0 17 0 0 0
/proc/30228/statm: 1333 1063 84 178 0 1153 0
Current children cumulated CPU time (s) 1.48
Current children cumulated vsize (KiB) 20164

[startup+3.10261 s]
/proc/loadavg: 0.88 0.97 0.99 2/67 30228
/proc/meminfo: memFree=1740680/2055920 swapFree=4156280/4192956
[pid=30225] ppid=30223 vsize=9476 CPUtime=0.67
/proc/30225/stat : 30225 (IUT_BMB_SAT) S 30223 30225 30157 0 -1 4194304 2185 0 0 0 52 15 0 0 23 0 1 0 221815355 9703424 2167 1992294400 134512640 135635285 4294956224 18446744073709551615 135129070 0 65536 4102 0 18446744071563356171 0 0 17 0 0 0
/proc/30225/statm: 2369 2167 105 274 0 2092 0
[pid=30227] ppid=30225 vsize=5356 CPUtime=0
/proc/30227/stat : 30227 (sh) S 30225 30225 30157 0 -1 4194304 270 0 0 0 0 0 0 0 18 0 1 0 221815423 5484544 232 1992294400 4194304 4889804 548682068912 18446744073709551615 273653752644 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/30227/statm: 1339 232 193 169 0 50 0
[pid=30228] ppid=30227 vsize=8008 CPUtime=2.4
/proc/30228/stat : 30228 (minisat) R 30227 30225 30157 0 -1 4194304 1853 0 0 0 239 1 0 0 25 0 1 0 221815423 8200192 1731 1992294400 134512640 135243223 4294956320 18446744073709551615 134555616 0 0 4096 3 0 0 0 17 0 0 0
/proc/30228/statm: 2002 1731 84 178 0 1822 0
Current children cumulated CPU time (s) 3.07
Current children cumulated vsize (KiB) 22840

[startup+6.30183 s]
/proc/loadavg: 0.89 0.97 0.99 2/67 30228
/proc/meminfo: memFree=1736712/2055920 swapFree=4156280/4192956
[pid=30225] ppid=30223 vsize=9476 CPUtime=0.67
/proc/30225/stat : 30225 (IUT_BMB_SAT) S 30223 30225 30157 0 -1 4194304 2185 0 0 0 52 15 0 0 23 0 1 0 221815355 9703424 2167 1992294400 134512640 135635285 4294956224 18446744073709551615 135129070 0 65536 4102 0 18446744071563356171 0 0 17 0 0 0
/proc/30225/statm: 2369 2167 105 274 0 2092 0
[pid=30227] ppid=30225 vsize=5356 CPUtime=0
/proc/30227/stat : 30227 (sh) S 30225 30225 30157 0 -1 4194304 270 0 0 0 0 0 0 0 18 0 1 0 221815423 5484544 232 1992294400 4194304 4889804 548682068912 18446744073709551615 273653752644 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/30227/statm: 1339 232 193 169 0 50 0
[pid=30228] ppid=30227 vsize=10980 CPUtime=5.6
/proc/30228/stat : 30228 (minisat) R 30227 30225 30157 0 -1 4194304 2608 0 0 0 558 2 0 0 25 0 1 0 221815423 11243520 2486 1992294400 134512640 135243223 4294956320 18446744073709551615 134555744 0 0 4096 3 0 0 0 17 0 0 0
/proc/30228/statm: 2745 2486 84 178 0 2565 0
Current children cumulated CPU time (s) 6.27
Current children cumulated vsize (KiB) 25812

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

[startup+7.10188 s]
/proc/loadavg: 0.89 0.97 0.99 2/67 30228
/proc/meminfo: memFree=1735944/2055920 swapFree=4156280/4192956
[pid=30225] ppid=30223 vsize=9476 CPUtime=0.67
/proc/30225/stat : 30225 (IUT_BMB_SAT) S 30223 30225 30157 0 -1 4194304 2185 0 0 0 52 15 0 0 23 0 1 0 221815355 9703424 2167 1992294400 134512640 135635285 4294956224 18446744073709551615 135129070 0 65536 4102 0 18446744071563356171 0 0 17 0 0 0
/proc/30225/statm: 2369 2167 105 274 0 2092 0
[pid=30227] ppid=30225 vsize=5356 CPUtime=0
/proc/30227/stat : 30227 (sh) S 30225 30225 30157 0 -1 4194304 270 0 0 0 0 0 0 0 18 0 1 0 221815423 5484544 232 1992294400 4194304 4889804 548682068912 18446744073709551615 273653752644 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/30227/statm: 1339 232 193 169 0 50 0
[pid=30228] ppid=30227 vsize=11512 CPUtime=6.4
/proc/30228/stat : 30228 (minisat) R 30227 30225 30157 0 -1 4194304 2726 0 0 0 638 2 0 0 25 0 1 0 221815423 11788288 2604 1992294400 134512640 135243223 4294956320 18446744073709551615 134555744 0 0 4096 3 0 0 0 17 0 0 0
/proc/30228/statm: 2878 2604 84 178 0 2698 0
Current children cumulated CPU time (s) 7.07
Current children cumulated vsize (KiB) 26344

[startup+7.3019 s]
/proc/loadavg: 0.89 0.97 0.99 2/67 30228
/proc/meminfo: memFree=1735944/2055920 swapFree=4156280/4192956
[pid=30225] ppid=30223 vsize=9476 CPUtime=0.67
/proc/30225/stat : 30225 (IUT_BMB_SAT) S 30223 30225 30157 0 -1 4194304 2185 0 0 0 52 15 0 0 23 0 1 0 221815355 9703424 2167 1992294400 134512640 135635285 4294956224 18446744073709551615 135129070 0 65536 4102 0 18446744071563356171 0 0 17 0 0 0
/proc/30225/statm: 2369 2167 105 274 0 2092 0
[pid=30227] ppid=30225 vsize=5356 CPUtime=0
/proc/30227/stat : 30227 (sh) S 30225 30225 30157 0 -1 4194304 270 0 0 0 0 0 0 0 18 0 1 0 221815423 5484544 232 1992294400 4194304 4889804 548682068912 18446744073709551615 273653752644 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/30227/statm: 1339 232 193 169 0 50 0
[pid=30228] ppid=30227 vsize=11644 CPUtime=6.6
/proc/30228/stat : 30228 (minisat) R 30227 30225 30157 0 -1 4194304 2754 0 0 0 658 2 0 0 25 0 1 0 221815423 11923456 2632 1992294400 134512640 135243223 4294956320 18446744073709551615 134555628 0 0 4096 3 0 0 0 17 0 0 0
/proc/30228/statm: 2911 2632 84 178 0 2731 0
Current children cumulated CPU time (s) 7.27
Current children cumulated vsize (KiB) 26476

[startup+7.4019 s]
/proc/loadavg: 0.89 0.97 0.99 2/67 30228
/proc/meminfo: memFree=1735944/2055920 swapFree=4156280/4192956
[pid=30225] ppid=30223 vsize=9476 CPUtime=7.38
/proc/30225/stat : 30225 (IUT_BMB_SAT) R 30223 30225 30157 0 -1 4194304 4049 3051 0 0 57 16 662 3 17 0 1 0 221815355 9703424 2168 1992294400 134512640 135635285 4294956224 18446744073709551615 135063321 0 0 4096 0 0 0 0 17 0 0 0
/proc/30225/statm: 2369 2168 106 274 0 2092 0
Current children cumulated CPU time (s) 7.38
Current children cumulated vsize (KiB) 9476

Child status: 0
Real time (s): 7.41727
CPU time (s): 7.41187
CPU user time (s): 7.2159
CPU system time (s): 0.19597
CPU usage (%): 99.9272
Max. virtual memory (cumulated for all children) (KiB): 26476

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 7.2159
system time used= 0.19597
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 7108
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= 8
involuntary context switches= 19

runsolver used 0.011998 second user time and 0.021996 second system time

The end

Launcher Data 

Begin job on node52 at 2009-05-10 08:44:39
IDJOB=1785961
IDBENCH=71377
IDSOLVER=638
FILE ID=node52/1785961-1241937879
PBS_JOBID= 9265014
Free space on /tmp= 66312 MiB

SOLVER NAME= IUT_BMB_SAT 1.0
BENCH NAME= SAT09/CRAFTED/rbsat/random/forced/rbsat-v760c43649gyes10.cnf
COMMAND LINE= IUT_BMB_SAT BENCHNAME TMPDIR
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1785961-1241937879/watcher-1785961-1241937879 -o /tmp/evaluation-result-1785961-1241937879/solver-1785961-1241937879 -C 5000 -W 6000 -M 1800  IUT_BMB_SAT HOME/instance-1785961-1241937879.cnf HOME

TIME LIMIT= 5000 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 0

MD5SUM BENCH= 81c9aa5c768c12f86139286d1d6bc62c
RANDOM SEED=841785387

node52.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		: 3000.214
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	: 5914.62
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		: 3000.214
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:       1755584 kB
Buffers:         49532 kB
Cached:         172224 kB
SwapCached:      31680 kB
Active:         143984 kB
Inactive:       111528 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1755584 kB
SwapTotal:     4192956 kB
SwapFree:      4156280 kB
Dirty:            2684 kB
Writeback:           0 kB
Mapped:          13676 kB
Slab:            30836 kB
Committed_AS:   831408 kB
PageTables:       1476 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264952 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66308 MiB
End job on node52 at 2009-05-10 08:44:46