Trace number 1806696

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
minisat2-core 070721SAT 122.102 122.147

General information on the benchmark

NameCRAFTED/
edgematching/all/em_7_3_6_all.cnf
MD5SUM3264a66e18d5550049c950d1156ee464
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark4.38433
Satisfiable
(Un)Satisfiability was proved
Number of variables1473
Number of clauses30387
Sum of the clauses size75224
Maximum clause length25
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 221205
Number of clauses of size 37024
Number of clauses of size 4708
Number of clauses of size 51300
Number of clauses of size over 5150

Solver Data 

0.00/0.00	This is MiniSat 2.0 beta
0.00/0.00	WARNING: for repeatability, setting FPU to use double precision
0.00/0.00	============================[ Problem Statistics ]=============================
0.00/0.00	|                                                                             |
0.00/0.00	|  Number of variables:  1473                                                 |
0.00/0.00	|  Number of clauses:    30387                                                |
0.00/0.01	|  Parsing time:         0.01         s                                       |
0.00/0.01	============================[ Search Statistics ]==============================
0.00/0.01	| Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.00/0.01	|           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
0.00/0.01	===============================================================================
0.00/0.01	|         0 |    1473    30387    75224 |    10129        0    nan |  0.000 % |
0.00/0.02	|       100 |    1473    30387    75224 |    11141      100     31 |  0.001 % |
0.00/0.03	|       250 |    1472    30387    75224 |    12256      248     30 |  1.629 % |
0.00/0.04	|       475 |    1451    30387    75224 |    13481      469     31 |  3.055 % |
0.05/0.06	|       813 |    1439    30387    75224 |    14829      805     39 |  4.141 % |
0.05/0.09	|      1319 |    1412    29257    72964 |    16312     1309     49 |  4.141 % |
0.09/0.14	|      2078 |    1411    29257    72964 |    17944     2066     49 |  4.481 % |
0.19/0.22	|      3217 |    1407    29184    72818 |    19738     3204     57 |  4.481 % |
0.29/0.37	|      4926 |    1407    29184    72818 |    21712     4913     65 |  4.481 % |
0.59/0.62	|      7488 |    1407    29184    72818 |    23883     7475     67 |  4.481 % |
0.99/1.05	|     11333 |    1402    29134    72718 |    26272    11318     71 |  4.820 % |
1.99/2.07	|     17100 |    1402    29134    72718 |    28899    17085     82 |  4.820 % |
4.49/4.52	|     25753 |    1402    29117    72684 |    31789    25735     89 |  4.820 % |
8.49/8.57	|     38728 |    1398    29057    72564 |    34968    21991     85 |  5.160 % |
15.18/15.28	|     58191 |    1398    29057    72564 |    38464    23228     79 |  5.160 % |
29.78/29.82	|     87383 |    1397    29042    72534 |    42311    31691     85 |  5.227 % |
59.17/59.21	|    131172 |    1395    28983    72385 |    46542    29633     89 |  5.295 % |
118.85/118.97	|    196857 |    1390    28889    72171 |    51196    44846     98 |  5.703 % |
122.05/122.14	===============================================================================
122.05/122.14	restarts              : 18
122.05/122.14	conflicts             : 198821         (1629 /sec)
122.05/122.14	decisions             : 437827         (1.45 % random) (3588 /sec)
122.05/122.14	propagations          : 26469482       (216900 /sec)
122.05/122.14	conflict literals     : 21409216       (27.99 % deleted)
122.05/122.14	Memory used           : 25.58 MB
122.05/122.14	CPU time              : 122.035 s
122.05/122.14	
122.05/122.14	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-1806696-1242151682/watcher-1806696-1242151682 -o /tmp/evaluation-result-1806696-1242151682/solver-1806696-1242151682 -C 1200 -W 1800 -M 1800 minisat_static HOME/instance-1806696-1242151682.cnf 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1200 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1230 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 1800 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: 0.92 0.98 0.98 3/64 9703
/proc/meminfo: memFree=1045368/2055920 swapFree=4155136/4192956
[pid=9703] ppid=9701 vsize=2164 CPUtime=0
/proc/9703/stat : 9703 (minisat_static) R 9701 9703 9379 0 -1 4194304 281 0 0 0 0 0 0 0 18 0 1 0 243201481 2215936 266 1992294400 134512640 135213614 4294956256 18446744073709551615 134719510 0 0 4096 3 0 0 0 17 1 0 0
/proc/9703/statm: 541 266 58 171 0 367 0

[startup+0.0627531 s]
/proc/loadavg: 0.92 0.98 0.98 3/64 9703
/proc/meminfo: memFree=1045368/2055920 swapFree=4155136/4192956
[pid=9703] ppid=9701 vsize=3388 CPUtime=0.05
/proc/9703/stat : 9703 (minisat_static) R 9701 9703 9379 0 -1 4194304 576 0 0 0 5 0 0 0 18 0 1 0 243201481 3469312 561 1992294400 134512640 135213614 4294956256 18446744073709551615 134529746 0 0 4096 3 0 0 0 17 1 0 0
/proc/9703/statm: 847 562 78 171 0 673 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 3388

[startup+0.10176 s]
/proc/loadavg: 0.92 0.98 0.98 3/64 9703
/proc/meminfo: memFree=1045368/2055920 swapFree=4155136/4192956
[pid=9703] ppid=9701 vsize=3520 CPUtime=0.09
/proc/9703/stat : 9703 (minisat_static) R 9701 9703 9379 0 -1 4194304 616 0 0 0 9 0 0 0 18 0 1 0 243201481 3604480 601 1992294400 134512640 135213614 4294956256 18446744073709551615 134538923 0 0 4096 3 0 0 0 17 1 0 0
/proc/9703/statm: 880 601 78 171 0 706 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 3520

[startup+0.301795 s]
/proc/loadavg: 0.92 0.98 0.98 3/64 9703
/proc/meminfo: memFree=1045368/2055920 swapFree=4155136/4192956
[pid=9703] ppid=9701 vsize=4312 CPUtime=0.29
/proc/9703/stat : 9703 (minisat_static) R 9701 9703 9379 0 -1 4194304 822 0 0 0 29 0 0 0 19 0 1 0 243201481 4415488 807 1992294400 134512640 135213614 4294956256 18446744073709551615 134719510 0 0 4096 3 0 0 0 17 1 0 0
/proc/9703/statm: 1078 807 78 171 0 904 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 4312

[startup+0.701866 s]
/proc/loadavg: 0.92 0.98 0.98 3/64 9703
/proc/meminfo: memFree=1045368/2055920 swapFree=4155136/4192956
[pid=9703] ppid=9701 vsize=5764 CPUtime=0.69
/proc/9703/stat : 9703 (minisat_static) R 9701 9703 9379 0 -1 4194304 1170 0 0 0 69 0 0 0 23 0 1 0 243201481 5902336 1155 1992294400 134512640 135213614 4294956256 18446744073709551615 134526864 0 0 4096 3 0 0 0 17 1 0 0
/proc/9703/statm: 1441 1155 78 171 0 1267 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 5764

[startup+1.50201 s]
/proc/loadavg: 0.92 0.98 0.98 2/65 9704
/proc/meminfo: memFree=1040048/2055920 swapFree=4155136/4192956
[pid=9703] ppid=9701 vsize=8008 CPUtime=1.49
/proc/9703/stat : 9703 (minisat_static) R 9701 9703 9379 0 -1 4194304 1755 0 0 0 148 1 0 0 25 0 1 0 243201481 8200192 1740 1992294400 134512640 135213614 4294956256 18446744073709551615 134526656 0 0 4096 3 0 0 0 17 1 0 0
/proc/9703/statm: 2002 1740 78 171 0 1828 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 8008

[startup+3.10129 s]
/proc/loadavg: 0.92 0.98 0.98 2/65 9704
/proc/meminfo: memFree=1037104/2055920 swapFree=4155136/4192956
[pid=9703] ppid=9701 vsize=11308 CPUtime=3.08
/proc/9703/stat : 9703 (minisat_static) R 9701 9703 9379 0 -1 4194304 2583 0 0 0 307 1 0 0 25 0 1 0 243201481 11579392 2568 1992294400 134512640 135213614 4294956256 18446744073709551615 134719510 0 0 4096 3 0 0 0 17 1 0 0
/proc/9703/statm: 2827 2568 78 171 0 2653 0
Current children cumulated CPU time (s) 3.08
Current children cumulated vsize (KiB) 11308

[startup+6.30185 s]
/proc/loadavg: 0.93 0.98 0.98 2/65 9704
/proc/meminfo: memFree=1031920/2055920 swapFree=4155136/4192956
[pid=9703] ppid=9701 vsize=15696 CPUtime=6.29
/proc/9703/stat : 9703 (minisat_static) R 9701 9703 9379 0 -1 4194304 3665 0 0 0 626 3 0 0 25 0 1 0 243201481 16072704 3650 1992294400 134512640 135213614 4294956256 18446744073709551615 134526864 0 0 4096 3 0 0 0 17 1 0 0
/proc/9703/statm: 3924 3650 78 171 0 3750 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 15696

[startup+12.702 s]
/proc/loadavg: 0.93 0.98 0.98 2/65 9704
/proc/meminfo: memFree=1029872/2055920 swapFree=4155136/4192956
[pid=9703] ppid=9701 vsize=17020 CPUtime=12.68
/proc/9703/stat : 9703 (minisat_static) R 9701 9703 9379 0 -1 4194304 3985 0 0 0 1265 3 0 0 25 0 1 0 243201481 17428480 3970 1992294400 134512640 135213614 4294956256 18446744073709551615 134526860 0 0 4096 3 0 0 0 17 1 0 0
/proc/9703/statm: 4255 3970 78 171 0 4081 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 17020

[startup+25.5012 s]
/proc/loadavg: 0.95 0.98 0.98 2/65 9704
/proc/meminfo: memFree=1027504/2055920 swapFree=4155136/4192956
[pid=9703] ppid=9701 vsize=18876 CPUtime=25.48
/proc/9703/stat : 9703 (minisat_static) R 9701 9703 9379 0 -1 4194304 4475 0 0 0 2544 4 0 0 25 0 1 0 243201481 19329024 4460 1992294400 134512640 135213614 4294956256 18446744073709551615 134526851 0 0 4096 3 0 0 0 17 1 0 0
/proc/9703/statm: 4719 4460 78 171 0 4545 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 18876

[startup+51.1017 s]
/proc/loadavg: 0.96 0.98 0.98 2/65 9704
/proc/meminfo: memFree=1025008/2055920 swapFree=4155136/4192956
[pid=9703] ppid=9701 vsize=21476 CPUtime=51.07
/proc/9703/stat : 9703 (minisat_static) R 9701 9703 9379 0 -1 4194304 5099 0 0 0 5102 5 0 0 25 0 1 0 243201481 21991424 5084 1992294400 134512640 135213614 4294956256 18446744073709551615 134526796 0 0 4096 3 0 0 0 17 1 0 0
/proc/9703/statm: 5369 5084 78 171 0 5195 0
Current children cumulated CPU time (s) 51.07
Current children cumulated vsize (KiB) 21476

[startup+102.306 s]
/proc/loadavg: 0.98 0.98 0.98 2/65 9704
/proc/meminfo: memFree=1020656/2055920 swapFree=4155136/4192956
[pid=9703] ppid=9701 vsize=25872 CPUtime=102.26
/proc/9703/stat : 9703 (minisat_static) R 9701 9703 9379 0 -1 4194304 6171 0 0 0 10220 6 0 0 25 0 1 0 243201481 26492928 6156 1992294400 134512640 135213614 4294956256 18446744073709551615 134526854 0 0 4096 3 0 0 0 17 1 0 0
/proc/9703/statm: 6468 6156 78 171 0 6294 0
Current children cumulated CPU time (s) 102.26
Current children cumulated vsize (KiB) 25872

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

[startup+115.102 s]
/proc/loadavg: 0.98 0.98 0.98 2/65 9704
/proc/meminfo: memFree=1020400/2055920 swapFree=4155136/4192956
[pid=9703] ppid=9701 vsize=26188 CPUtime=115.05
/proc/9703/stat : 9703 (minisat_static) R 9701 9703 9379 0 -1 4194304 6242 0 0 0 11499 6 0 0 25 0 1 0 243201481 26816512 6227 1992294400 134512640 135213614 4294956256 18446744073709551615 134526976 0 0 4096 3 0 0 0 17 1 0 0
/proc/9703/statm: 6547 6227 78 171 0 6373 0
Current children cumulated CPU time (s) 115.05
Current children cumulated vsize (KiB) 26188

[startup+118.302 s]
/proc/loadavg: 0.99 0.98 0.98 2/65 9704
/proc/meminfo: memFree=1020336/2055920 swapFree=4155136/4192956
[pid=9703] ppid=9701 vsize=26188 CPUtime=118.25
/proc/9703/stat : 9703 (minisat_static) R 9701 9703 9379 0 -1 4194304 6248 0 0 0 11819 6 0 0 25 0 1 0 243201481 26816512 6233 1992294400 134512640 135213614 4294956256 18446744073709551615 134526976 0 0 4096 3 0 0 0 17 1 0 0
/proc/9703/statm: 6547 6233 78 171 0 6373 0
Current children cumulated CPU time (s) 118.25
Current children cumulated vsize (KiB) 26188

[startup+119.906 s]
/proc/loadavg: 0.99 0.98 0.98 2/65 9704
/proc/meminfo: memFree=1020336/2055920 swapFree=4155136/4192956
[pid=9703] ppid=9701 vsize=26188 CPUtime=119.85
/proc/9703/stat : 9703 (minisat_static) R 9701 9703 9379 0 -1 4194304 6257 0 0 0 11979 6 0 0 25 0 1 0 243201481 26816512 6242 1992294400 134512640 135213614 4294956256 18446744073709551615 134526976 0 0 4096 3 0 0 0 17 1 0 0
/proc/9703/statm: 6547 6242 78 171 0 6373 0
Current children cumulated CPU time (s) 119.85
Current children cumulated vsize (KiB) 26188

[startup+121.501 s]
/proc/loadavg: 0.99 0.98 0.98 2/65 9704
/proc/meminfo: memFree=1020336/2055920 swapFree=4155136/4192956
[pid=9703] ppid=9701 vsize=26188 CPUtime=121.45
/proc/9703/stat : 9703 (minisat_static) R 9701 9703 9379 0 -1 4194304 6268 0 0 0 12139 6 0 0 25 0 1 0 243201481 26816512 6253 1992294400 134512640 135213614 4294956256 18446744073709551615 134526976 0 0 4096 3 0 0 0 17 1 0 0
/proc/9703/statm: 6547 6253 78 171 0 6373 0
Current children cumulated CPU time (s) 121.45
Current children cumulated vsize (KiB) 26188

[startup+121.901 s]
/proc/loadavg: 0.99 0.98 0.98 2/65 9704
/proc/meminfo: memFree=1020336/2055920 swapFree=4155136/4192956
[pid=9703] ppid=9701 vsize=26188 CPUtime=121.85
/proc/9703/stat : 9703 (minisat_static) R 9701 9703 9379 0 -1 4194304 6268 0 0 0 12179 6 0 0 25 0 1 0 243201481 26816512 6253 1992294400 134512640 135213614 4294956256 18446744073709551615 134526976 0 0 4096 3 0 0 0 17 1 0 0
/proc/9703/statm: 6547 6253 78 171 0 6373 0
Current children cumulated CPU time (s) 121.85
Current children cumulated vsize (KiB) 26188

[startup+122.105 s]
/proc/loadavg: 0.99 0.98 0.98 2/65 9704
/proc/meminfo: memFree=1020272/2055920 swapFree=4155136/4192956
[pid=9703] ppid=9701 vsize=26188 CPUtime=122.05
/proc/9703/stat : 9703 (minisat_static) R 9701 9703 9379 0 -1 4194304 6268 0 0 0 12199 6 0 0 25 0 1 0 243201481 26816512 6253 1992294400 134512640 135213614 4294956256 18446744073709551615 134526976 0 0 4096 3 0 0 0 17 1 0 0
/proc/9703/statm: 6547 6253 78 171 0 6373 0
Current children cumulated CPU time (s) 122.05
Current children cumulated vsize (KiB) 26188

Child status: 10
Real time (s): 122.147
CPU time (s): 122.102
CPU user time (s): 122.035
CPU system time (s): 0.066989
CPU usage (%): 99.9632
Max. virtual memory (cumulated for all children) (KiB): 26188

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 122.035
system time used= 0.066989
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 6281
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= 328

runsolver used 0.111982 second user time and 0.255961 second system time

The end

Launcher Data 

Begin job on node18 at 2009-05-12 20:08:02
IDJOB=1806696
IDBENCH=70926
IDSOLVER=651
FILE ID=node18/1806696-1242151682
PBS_JOBID= 9289703
Free space on /tmp= 66296 MiB

SOLVER NAME= minisat2-core 070721
BENCH NAME= SAT09/CRAFTED/edgematching/all/em_7_3_6_all.cnf
COMMAND LINE= minisat_static BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1806696-1242151682/watcher-1806696-1242151682 -o /tmp/evaluation-result-1806696-1242151682/solver-1806696-1242151682 -C 1200 -W 1800 -M 1800  minisat_static HOME/instance-1806696-1242151682.cnf

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 0

MD5SUM BENCH= 3264a66e18d5550049c950d1156ee464
RANDOM SEED=1770441530

node18.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		: 3000.280
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		: 3000.280
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:       1045848 kB
Buffers:         84132 kB
Cached:         810880 kB
SwapCached:      32032 kB
Active:         269664 kB
Inactive:       659632 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1045848 kB
SwapTotal:     4192956 kB
SwapFree:      4155136 kB
Dirty:            1224 kB
Writeback:           0 kB
Mapped:          13508 kB
Slab:            66796 kB
Committed_AS:   905576 kB
PageTables:       1372 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= 66296 MiB
End job on node18 at 2009-05-12 20:10:04