Trace number 1806655

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-simp 070721SAT 72.8539 72.88

General information on the benchmark

NameCRAFTED/edgematching/
explicit/em_8_4_5_exp.cnf
MD5SUM8074a7bc3c1695dbe8e033b31e3d3feb
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark20.8458
Satisfiable
(Un)Satisfiability was proved
Number of variables2420
Number of clauses51668
Sum of the clauses size133444
Maximum clause length36
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 232492
Number of clauses of size 313968
Number of clauses of size 42628
Number of clauses of size 52460
Number of clauses of size over 5120

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:  2420                                                 |
0.00/0.00	|  Number of clauses:    51668                                                |
0.03/0.04	|  Parsing time:         0.04         s                                       |
0.09/0.13	============================[ Search Statistics ]==============================
0.09/0.13	| Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.09/0.13	|           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
0.09/0.13	===============================================================================
0.09/0.13	|         0 |    2416    50372   129590 |    16790        0    nan |  0.000 % |
0.09/0.14	|       100 |    2416    50372   129590 |    18469      100     60 |  0.000 % |
0.09/0.15	|       250 |    2408    50372   129590 |    20316      248     36 |  0.372 % |
0.09/0.16	|       475 |    2405    50372   129590 |    22348      472     30 |  0.537 % |
0.09/0.18	|       814 |    2398    50372   129590 |    24583      809     26 |  0.909 % |
0.19/0.20	|      1320 |    2398    50372   129590 |    27041     1315     24 |  0.909 % |
0.19/0.24	|      2079 |    2380    49823   128492 |    29745     2068     25 |  1.612 % |
0.29/0.30	|      3220 |    2377    49823   128492 |    32720     3209     25 |  1.612 % |
0.39/0.41	|      4928 |    2377    49823   128492 |    35992     4917     29 |  1.612 % |
0.49/0.58	|      7490 |    2368    49605   128056 |    39591     7476     30 |  1.983 % |
0.79/0.89	|     11334 |    2364    49372   127590 |    43550    11319     32 |  2.149 % |
1.49/1.51	|     17102 |    2364    49372   127590 |    47905    17087     41 |  2.149 % |
2.69/2.70	|     25753 |    2364    49372   127590 |    52696    25738     46 |  2.149 % |
5.40/5.41	|     38727 |    2364    49372   127590 |    57965    38712     50 |  2.149 % |
12.38/12.47	|     58188 |    2364    49372   127590 |    63762    58173     64 |  2.149 % |
22.98/23.07	|     87380 |    2364    49372   127590 |    70138    47456     80 |  2.149 % |
43.77/43.83	|    131169 |    2364    49372   127590 |    77152    46448     86 |  2.149 % |
72.76/72.87	===============================================================================
72.76/72.87	restarts              : 17
72.76/72.87	conflicts             : 190711         (2621 /sec)
72.76/72.87	decisions             : 921966         (1.31 % random) (12672 /sec)
72.76/72.87	propagations          : 19606059       (269466 /sec)
72.76/72.87	conflict literals     : 19686523       (15.58 % deleted)
72.76/72.87	Memory used           : 41.56 MB
72.76/72.87	CPU time              : 72.7589 s
72.76/72.87	
72.76/72.87	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-1806655-1242151491/watcher-1806655-1242151491 -o /tmp/evaluation-result-1806655-1242151491/solver-1806655-1242151491 -C 1200 -W 1800 -M 1800 minisat_static HOME/instance-1806655-1242151491.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 0.93 3/65 32503
/proc/meminfo: memFree=1450480/2055920 swapFree=4180356/4192956
[pid=32503] ppid=32501 vsize=2336 CPUtime=0
/proc/32503/stat : 32503 (minisat_static) R 32501 32503 32124 0 -1 4194304 399 0 0 0 0 0 0 0 20 0 1 0 243178417 2392064 385 1992294400 134512640 135243866 4294956256 18446744073709551615 134764927 0 0 4096 3 0 0 0 17 1 0 0
/proc/32503/statm: 584 385 65 178 0 404 0

[startup+0.0389459 s]
/proc/loadavg: 0.92 0.98 0.93 3/65 32503
/proc/meminfo: memFree=1450480/2055920 swapFree=4180356/4192956
[pid=32503] ppid=32501 vsize=4944 CPUtime=0.03
/proc/32503/stat : 32503 (minisat_static) R 32501 32503 32124 0 -1 4194304 1043 0 0 0 3 0 0 0 20 0 1 0 243178417 5062656 1028 1992294400 134512640 135243866 4294956256 18446744073709551615 134748230 0 0 4096 3 0 0 0 17 1 0 0
/proc/32503/statm: 1236 1029 65 178 0 1056 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 4944

[startup+0.101958 s]
/proc/loadavg: 0.92 0.98 0.93 3/65 32503
/proc/meminfo: memFree=1450480/2055920 swapFree=4180356/4192956
[pid=32503] ppid=32501 vsize=5504 CPUtime=0.09
/proc/32503/stat : 32503 (minisat_static) R 32501 32503 32124 0 -1 4194304 1159 0 0 0 9 0 0 0 20 0 1 0 243178417 5636096 1144 1992294400 134512640 135243866 4294956256 18446744073709551615 134525196 0 0 4096 3 0 0 0 17 1 0 0
/proc/32503/statm: 1376 1144 81 178 0 1196 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 5504

[startup+0.301994 s]
/proc/loadavg: 0.92 0.98 0.93 3/65 32503
/proc/meminfo: memFree=1450480/2055920 swapFree=4180356/4192956
[pid=32503] ppid=32501 vsize=4960 CPUtime=0.29
/proc/32503/stat : 32503 (minisat_static) R 32501 32503 32124 0 -1 4194304 1166 0 0 0 29 0 0 0 22 0 1 0 243178417 5079040 1051 1992294400 134512640 135243866 4294956256 18446744073709551615 134555811 0 0 4096 3 0 0 0 17 1 0 0
/proc/32503/statm: 1240 1051 87 178 0 1060 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 4960

[startup+0.70107 s]
/proc/loadavg: 0.92 0.98 0.93 3/65 32503
/proc/meminfo: memFree=1450480/2055920 swapFree=4180356/4192956
[pid=32503] ppid=32501 vsize=5752 CPUtime=0.69
/proc/32503/stat : 32503 (minisat_static) R 32501 32503 32124 0 -1 4194304 1388 0 0 0 69 0 0 0 25 0 1 0 243178417 5890048 1273 1992294400 134512640 135243866 4294956256 18446744073709551615 134556115 0 0 4096 3 0 0 0 17 1 0 0
/proc/32503/statm: 1438 1273 87 178 0 1258 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 5752

[startup+1.50122 s]
/proc/loadavg: 0.92 0.98 0.93 2/66 32504
/proc/meminfo: memFree=1444968/2055920 swapFree=4180356/4192956
[pid=32503] ppid=32501 vsize=7892 CPUtime=1.49
/proc/32503/stat : 32503 (minisat_static) R 32501 32503 32124 0 -1 4194304 1914 0 0 0 149 0 0 0 25 0 1 0 243178417 8081408 1799 1992294400 134512640 135243866 4294956256 18446744073709551615 134748230 0 0 4096 3 0 0 0 17 1 0 0
/proc/32503/statm: 1973 1799 87 178 0 1793 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 7892

[startup+3.10151 s]
/proc/loadavg: 0.92 0.98 0.93 2/66 32504
/proc/meminfo: memFree=1442280/2055920 swapFree=4180356/4192956
[pid=32503] ppid=32501 vsize=11052 CPUtime=3.09
/proc/32503/stat : 32503 (minisat_static) R 32501 32503 32124 0 -1 4194304 2677 0 0 0 308 1 0 0 25 0 1 0 243178417 11317248 2562 1992294400 134512640 135243866 4294956256 18446744073709551615 134555699 0 0 4096 3 0 0 0 17 1 0 0
/proc/32503/statm: 2763 2562 87 178 0 2583 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 11052

[startup+6.30111 s]
/proc/loadavg: 0.93 0.98 0.93 2/66 32504
/proc/meminfo: memFree=1437288/2055920 swapFree=4180356/4192956
[pid=32503] ppid=32501 vsize=15224 CPUtime=6.29
/proc/32503/stat : 32503 (minisat_static) R 32501 32503 32124 0 -1 4194304 3716 0 0 0 627 2 0 0 25 0 1 0 243178417 15589376 3601 1992294400 134512640 135243866 4294956256 18446744073709551615 134555719 0 0 4096 3 0 0 0 17 1 0 0
/proc/32503/statm: 3806 3601 87 178 0 3626 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 15224

[startup+12.7013 s]
/proc/loadavg: 0.93 0.98 0.93 2/66 32504
/proc/meminfo: memFree=1429352/2055920 swapFree=4180356/4192956
[pid=32503] ppid=32501 vsize=22484 CPUtime=12.68
/proc/32503/stat : 32503 (minisat_static) R 32501 32503 32124 0 -1 4194304 5544 0 0 0 1265 3 0 0 25 0 1 0 243178417 23023616 5429 1992294400 134512640 135243866 4294956256 18446744073709551615 134555869 0 0 4096 3 0 0 0 17 1 0 0
/proc/32503/statm: 5621 5429 87 178 0 5441 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 22484

[startup+25.5017 s]
/proc/loadavg: 0.95 0.98 0.93 2/66 32504
/proc/meminfo: memFree=1425640/2055920 swapFree=4180356/4192956
[pid=32503] ppid=32501 vsize=25644 CPUtime=25.48
/proc/32503/stat : 32503 (minisat_static) R 32501 32503 32124 0 -1 4194304 6316 0 0 0 2544 4 0 0 25 0 1 0 243178417 26259456 6201 1992294400 134512640 135243866 4294956256 18446744073709551615 134555920 0 0 4096 3 0 0 0 17 1 0 0
/proc/32503/statm: 6411 6201 87 178 0 6231 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 25644

[startup+51.1014 s]
/proc/loadavg: 0.96 0.98 0.93 2/66 32504
/proc/meminfo: memFree=1417320/2055920 swapFree=4180356/4192956
[pid=32503] ppid=32501 vsize=33832 CPUtime=51.07
/proc/32503/stat : 32503 (minisat_static) R 32501 32503 32124 0 -1 4194304 8383 0 0 0 5101 6 0 0 25 0 1 0 243178417 34643968 8268 1992294400 134512640 135243866 4294956256 18446744073709551615 134555920 0 0 4096 3 0 0 0 17 1 0 0
/proc/32503/statm: 8458 8268 87 178 0 8278 0
Current children cumulated CPU time (s) 51.07
Current children cumulated vsize (KiB) 33832

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

[startup+63.9018 s]
/proc/loadavg: 0.97 0.98 0.93 2/66 32504
/proc/meminfo: memFree=1408552/2055920 swapFree=4180356/4192956
[pid=32503] ppid=32501 vsize=42552 CPUtime=63.87
/proc/32503/stat : 32503 (minisat_static) R 32501 32503 32124 0 -1 4194304 10577 0 0 0 6379 8 0 0 25 0 1 0 243178417 43573248 10462 1992294400 134512640 135243866 4294956256 18446744073709551615 134555754 0 0 4096 3 0 0 0 17 1 0 0
/proc/32503/statm: 10638 10462 87 178 0 10458 0
Current children cumulated CPU time (s) 63.87
Current children cumulated vsize (KiB) 42552

[startup+67.1054 s]
/proc/loadavg: 0.97 0.98 0.93 2/66 32504
/proc/meminfo: memFree=1408488/2055920 swapFree=4180356/4192956
[pid=32503] ppid=32501 vsize=42552 CPUtime=67.07
/proc/32503/stat : 32503 (minisat_static) R 32501 32503 32124 0 -1 4194304 10577 0 0 0 6699 8 0 0 25 0 1 0 243178417 43573248 10462 1992294400 134512640 135243866 4294956256 18446744073709551615 134558730 0 0 4096 3 0 0 0 17 1 0 0
/proc/32503/statm: 10638 10462 87 178 0 10458 0
Current children cumulated CPU time (s) 67.07
Current children cumulated vsize (KiB) 42552

[startup+70.302 s]
/proc/loadavg: 0.97 0.98 0.93 2/66 32504
/proc/meminfo: memFree=1408488/2055920 swapFree=4180356/4192956
[pid=32503] ppid=32501 vsize=42552 CPUtime=70.27
/proc/32503/stat : 32503 (minisat_static) R 32501 32503 32124 0 -1 4194304 10577 0 0 0 7019 8 0 0 25 0 1 0 243178417 43573248 10462 1992294400 134512640 135243866 4294956256 18446744073709551615 134558570 0 0 4096 3 0 0 0 17 1 0 0
/proc/32503/statm: 10638 10462 87 178 0 10458 0
Current children cumulated CPU time (s) 70.27
Current children cumulated vsize (KiB) 42552

[startup+71.9013 s]
/proc/loadavg: 0.97 0.98 0.93 2/66 32504
/proc/meminfo: memFree=1408488/2055920 swapFree=4180356/4192956
[pid=32503] ppid=32501 vsize=42552 CPUtime=71.86
/proc/32503/stat : 32503 (minisat_static) R 32501 32503 32124 0 -1 4194304 10577 0 0 0 7178 8 0 0 25 0 1 0 243178417 43573248 10462 1992294400 134512640 135243866 4294956256 18446744073709551615 134555920 0 0 4096 3 0 0 0 17 1 0 0
/proc/32503/statm: 10638 10462 87 178 0 10458 0
Current children cumulated CPU time (s) 71.86
Current children cumulated vsize (KiB) 42552

[startup+72.3014 s]
/proc/loadavg: 0.97 0.98 0.93 2/66 32504
/proc/meminfo: memFree=1408488/2055920 swapFree=4180356/4192956
[pid=32503] ppid=32501 vsize=42552 CPUtime=72.26
/proc/32503/stat : 32503 (minisat_static) R 32501 32503 32124 0 -1 4194304 10577 0 0 0 7218 8 0 0 25 0 1 0 243178417 43573248 10462 1992294400 134512640 135243866 4294956256 18446744073709551615 134555869 0 0 4096 3 0 0 0 17 1 0 0
/proc/32503/statm: 10638 10462 87 178 0 10458 0
Current children cumulated CPU time (s) 72.26
Current children cumulated vsize (KiB) 42552

[startup+72.7014 s]
/proc/loadavg: 0.97 0.98 0.93 2/66 32504
/proc/meminfo: memFree=1408488/2055920 swapFree=4180356/4192956
[pid=32503] ppid=32501 vsize=42552 CPUtime=72.66
/proc/32503/stat : 32503 (minisat_static) R 32501 32503 32124 0 -1 4194304 10577 0 0 0 7258 8 0 0 25 0 1 0 243178417 43573248 10462 1992294400 134512640 135243866 4294956256 18446744073709551615 134555754 0 0 4096 3 0 0 0 17 1 0 0
/proc/32503/statm: 10638 10462 87 178 0 10458 0
Current children cumulated CPU time (s) 72.66
Current children cumulated vsize (KiB) 42552

[startup+72.8015 s]
/proc/loadavg: 0.97 0.98 0.93 2/66 32504
/proc/meminfo: memFree=1408488/2055920 swapFree=4180356/4192956
[pid=32503] ppid=32501 vsize=42552 CPUtime=72.76
/proc/32503/stat : 32503 (minisat_static) R 32501 32503 32124 0 -1 4194304 10577 0 0 0 7268 8 0 0 25 0 1 0 243178417 43573248 10462 1992294400 134512640 135243866 4294956256 18446744073709551615 134555920 0 0 4096 3 0 0 0 17 1 0 0
/proc/32503/statm: 10638 10462 87 178 0 10458 0
Current children cumulated CPU time (s) 72.76
Current children cumulated vsize (KiB) 42552

Child status: 10
Real time (s): 72.88
CPU time (s): 72.8539
CPU user time (s): 72.7589
CPU system time (s): 0.094985
CPU usage (%): 99.9643
Max. virtual memory (cumulated for all children) (KiB): 42552

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 72.7589
system time used= 0.094985
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 10588
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= 202

runsolver used 0.096985 second user time and 0.175973 second system time

The end

Launcher Data

Begin job on node82 at 2009-05-12 20:04:51
IDJOB=1806655
IDBENCH=70920
IDSOLVER=568
FILE ID=node82/1806655-1242151491
PBS_JOBID= 9289644
Free space on /tmp= 66088 MiB

SOLVER NAME= minisat2-simp 070721
BENCH NAME= SAT09/CRAFTED/edgematching/explicit/em_8_4_5_exp.cnf
COMMAND LINE= minisat_static BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1806655-1242151491/watcher-1806655-1242151491 -o /tmp/evaluation-result-1806655-1242151491/solver-1806655-1242151491 -C 1200 -W 1800 -M 1800  minisat_static HOME/instance-1806655-1242151491.cnf

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

MD5SUM BENCH= 8074a7bc3c1695dbe8e033b31e3d3feb
RANDOM SEED=537349066

node82.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	: 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		: 3000.259
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	: 5996.54
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055920 kB
MemFree:       1450896 kB
Buffers:         59648 kB
Cached:         481304 kB
SwapCached:       6108 kB
Active:         133512 kB
Inactive:       415588 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1450896 kB
SwapTotal:     4192956 kB
SwapFree:      4180356 kB
Dirty:            1632 kB
Writeback:           0 kB
Mapped:          13812 kB
Slab:            41804 kB
Committed_AS:   747792 kB
PageTables:       1384 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264960 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66088 MiB
End job on node82 at 2009-05-12 20:06:04