Trace number 1805772

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 74.2637 74.291

General information on the benchmark

Namecrafted/Medium/contest05/others/
QG7a-gensys-ukn001.sat05-3841.reshuffled-07.cnf
MD5SUM74af041eb51b172e799baf4bb7eaa52f
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark2.42263
Satisfiable
(Un)Satisfiability was proved
Number of variables2737
Number of clauses18375
Sum of the clauses size129048
Maximum clause length13
Minimum clause length1
Number of clauses of size 149
Number of clauses of size 2491
Number of clauses of size 32419
Number of clauses of size 4526
Number of clauses of size 5691
Number of clauses of size over 514199

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:  2737                                                 |
0.00/0.00	|  Number of clauses:    18375                                                |
0.00/0.02	|  Parsing time:         0.02         s                                       |
0.00/0.03	============================[ Search Statistics ]==============================
0.00/0.03	| Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.00/0.03	|           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
0.00/0.03	===============================================================================
0.00/0.03	|         0 |    2681    17813   126614 |     5937        0    nan |  0.000 % |
0.00/0.03	|       100 |    2681    17813   126614 |     6531      100     13 |  2.046 % |
0.00/0.03	|       250 |    2681    17813   126614 |     7184      250     13 |  2.046 % |
0.00/0.04	|       475 |    2681    17813   126614 |     7903      475     13 |  2.046 % |
0.00/0.05	|       813 |    2681    17813   126614 |     8693      813     14 |  2.046 % |
0.00/0.06	|      1319 |    2681    17813   126614 |     9562     1319     15 |  2.046 % |
0.00/0.08	|      2078 |    2681    17813   126614 |    10518     2078     17 |  2.046 % |
0.09/0.13	|      3218 |    2681    17813   126614 |    11570     3218     18 |  2.046 % |
0.19/0.21	|      4927 |    2681    17813   126614 |    12727     4927     20 |  2.046 % |
0.29/0.32	|      7489 |    2681    17813   126614 |    14000     7489     19 |  2.046 % |
0.49/0.58	|     11335 |    2681    17813   126614 |    15400    11335     20 |  2.046 % |
0.99/1.04	|     17101 |    2681    17813   126614 |    16940     9281     21 |  2.046 % |
1.68/1.78	|     25750 |    2681    17813   126614 |    18634     9339     23 |  2.046 % |
3.08/3.11	|     38724 |    2681    17813   126614 |    20498    12884     25 |  2.046 % |
5.18/5.28	|     58185 |    2681    17813   126614 |    22548    11634     24 |  2.046 % |
8.48/8.56	|     87379 |    2681    17813   126614 |    24803    18125     27 |  2.046 % |
15.18/15.26	|    131168 |    2681    17813   126614 |    27283    24338     28 |  2.046 % |
25.88/25.91	|    196852 |    2681    17813   126614 |    30011    21307     28 |  2.046 % |
50.67/50.76	|    295379 |    2681    17813   126614 |    33012    28732     33 |  2.046 % |
74.17/74.28	===============================================================================
74.17/74.28	restarts              : 19
74.17/74.28	conflicts             : 376451         (5071 /sec)
74.17/74.28	decisions             : 969521         (1.95 % random) (13059 /sec)
74.17/74.28	propagations          : 14762286       (198846 /sec)
74.17/74.28	conflict literals     : 11898603       (29.10 % deleted)
74.17/74.28	Memory used           : 10.21 MB
74.17/74.28	CPU time              : 74.2397 s
74.17/74.28	
74.17/74.28	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-1805772-1242142214/watcher-1805772-1242142214 -o /tmp/evaluation-result-1805772-1242142214/solver-1805772-1242142214 -C 1200 -W 1800 -M 1800 minisat_static HOME/instance-1805772-1242142214.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: 0.00 0.27 1.03 3/64 12388
/proc/meminfo: memFree=1204088/2055920 swapFree=4180272/4192956
[pid=12388] ppid=12386 vsize=1884 CPUtime=0
/proc/12388/stat : 12388 (minisat_static) R 12386 12388 12351 0 -1 4194304 151 0 0 0 0 0 0 0 20 0 1 0 242254946 1929216 137 1992294400 134512640 135213614 4294956256 18446744073709551615 134741438 0 0 4096 3 0 0 0 17 1 0 0
/proc/12388/statm: 471 144 47 171 0 297 0

[startup+0.090649 s]
/proc/loadavg: 0.00 0.27 1.03 3/64 12388
/proc/meminfo: memFree=1204088/2055920 swapFree=4180272/4192956
[pid=12388] ppid=12386 vsize=3280 CPUtime=0.08
/proc/12388/stat : 12388 (minisat_static) R 12386 12388 12351 0 -1 4194304 643 0 0 0 8 0 0 0 21 0 1 0 242254946 3358720 628 1992294400 134512640 135213614 4294956256 18446744073709551615 134526976 0 0 4096 3 0 0 0 17 1 0 0
/proc/12388/statm: 820 628 77 171 0 646 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 3280

[startup+0.101647 s]
/proc/loadavg: 0.00 0.27 1.03 3/64 12388
/proc/meminfo: memFree=1204088/2055920 swapFree=4180272/4192956
[pid=12388] ppid=12386 vsize=3412 CPUtime=0.09
/proc/12388/stat : 12388 (minisat_static) R 12386 12388 12351 0 -1 4194304 653 0 0 0 9 0 0 0 21 0 1 0 242254946 3493888 638 1992294400 134512640 135213614 4294956256 18446744073709551615 134536581 0 0 4096 3 0 0 0 17 1 0 0
/proc/12388/statm: 853 638 77 171 0 679 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 3412

[startup+0.301668 s]
/proc/loadavg: 0.00 0.27 1.03 3/64 12388
/proc/meminfo: memFree=1204088/2055920 swapFree=4180272/4192956
[pid=12388] ppid=12386 vsize=3940 CPUtime=0.29
/proc/12388/stat : 12388 (minisat_static) R 12386 12388 12351 0 -1 4194304 794 0 0 0 29 0 0 0 22 0 1 0 242254946 4034560 779 1992294400 134512640 135213614 4294956256 18446744073709551615 134719510 0 0 4096 3 0 0 0 17 1 0 0
/proc/12388/statm: 985 779 77 171 0 811 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 3940

[startup+0.701711 s]
/proc/loadavg: 0.00 0.27 1.03 3/64 12388
/proc/meminfo: memFree=1204088/2055920 swapFree=4180272/4192956
[pid=12388] ppid=12386 vsize=4732 CPUtime=0.69
/proc/12388/stat : 12388 (minisat_static) R 12386 12388 12351 0 -1 4194304 986 0 0 0 69 0 0 0 25 0 1 0 242254946 4845568 971 1992294400 134512640 135213614 4294956256 18446744073709551615 134719510 0 0 4096 3 0 0 0 17 1 0 0
/proc/12388/statm: 1183 971 77 171 0 1009 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 4732

[startup+1.50179 s]
/proc/loadavg: 0.08 0.28 1.03 2/65 12389
/proc/meminfo: memFree=1200176/2055920 swapFree=4180272/4192956
[pid=12388] ppid=12386 vsize=5260 CPUtime=1.48
/proc/12388/stat : 12388 (minisat_static) R 12386 12388 12351 0 -1 4194304 1108 0 0 0 148 0 0 0 25 0 1 0 242254946 5386240 1093 1992294400 134512640 135213614 4294956256 18446744073709551615 134719510 0 0 4096 3 0 0 0 17 1 0 0
/proc/12388/statm: 1315 1093 77 171 0 1141 0
Current children cumulated CPU time (s) 1.48
Current children cumulated vsize (KiB) 5260

[startup+3.10196 s]
/proc/loadavg: 0.08 0.28 1.03 2/65 12389
/proc/meminfo: memFree=1199600/2055920 swapFree=4180272/4192956
[pid=12388] ppid=12386 vsize=5928 CPUtime=3.08
/proc/12388/stat : 12388 (minisat_static) R 12386 12388 12351 0 -1 4194304 1269 0 0 0 308 0 0 0 25 0 1 0 242254946 6070272 1254 1992294400 134512640 135213614 4294956256 18446744073709551615 134526976 0 0 4096 3 0 0 0 17 1 0 0
/proc/12388/statm: 1482 1254 77 171 0 1308 0
Current children cumulated CPU time (s) 3.08
Current children cumulated vsize (KiB) 5928

[startup+6.30129 s]
/proc/loadavg: 0.08 0.28 1.03 2/65 12389
/proc/meminfo: memFree=1198576/2055920 swapFree=4180272/4192956
[pid=12388] ppid=12386 vsize=6456 CPUtime=6.28
/proc/12388/stat : 12388 (minisat_static) R 12386 12388 12351 0 -1 4194304 1423 0 0 0 628 0 0 0 25 0 1 0 242254946 6610944 1408 1992294400 134512640 135213614 4294956256 18446744073709551615 134535028 0 0 4096 3 0 0 0 17 1 0 0
/proc/12388/statm: 1614 1408 77 171 0 1440 0
Current children cumulated CPU time (s) 6.28
Current children cumulated vsize (KiB) 6456

[startup+12.702 s]
/proc/loadavg: 0.22 0.30 1.03 2/65 12389
/proc/meminfo: memFree=1197680/2055920 swapFree=4180272/4192956
[pid=12388] ppid=12386 vsize=7248 CPUtime=12.68
/proc/12388/stat : 12388 (minisat_static) R 12386 12388 12351 0 -1 4194304 1629 0 0 0 1268 0 0 0 25 0 1 0 242254946 7421952 1614 1992294400 134512640 135213614 4294956256 18446744073709551615 134526928 0 0 4096 3 0 0 0 17 1 0 0
/proc/12388/statm: 1812 1614 77 171 0 1638 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 7248

[startup+25.5013 s]
/proc/loadavg: 0.34 0.32 1.03 2/65 12389
/proc/meminfo: memFree=1196976/2055920 swapFree=4180272/4192956
[pid=12388] ppid=12386 vsize=8072 CPUtime=25.48
/proc/12388/stat : 12388 (minisat_static) R 12386 12388 12351 0 -1 4194304 1798 0 0 0 2547 1 0 0 25 0 1 0 242254946 8265728 1783 1992294400 134512640 135213614 4294956256 18446744073709551615 134527173 0 0 4096 3 0 0 0 17 1 0 0
/proc/12388/statm: 2018 1783 77 171 0 1844 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 8072

[startup+51.1019 s]
/proc/loadavg: 0.56 0.38 1.03 2/65 12389
/proc/meminfo: memFree=1195056/2055920 swapFree=4180272/4192956
[pid=12388] ppid=12386 vsize=9924 CPUtime=51.07
/proc/12388/stat : 12388 (minisat_static) R 12386 12388 12351 0 -1 4194304 2282 0 0 0 5106 1 0 0 25 0 1 0 242254946 10162176 2267 1992294400 134512640 135213614 4294956256 18446744073709551615 134526903 0 0 4096 3 0 0 0 17 1 0 0
/proc/12388/statm: 2481 2267 77 171 0 2307 0
Current children cumulated CPU time (s) 51.07
Current children cumulated vsize (KiB) 9924

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

[startup+63.9012 s]
/proc/loadavg: 0.66 0.41 1.03 2/65 12389
/proc/meminfo: memFree=1194608/2055920 swapFree=4180272/4192956
[pid=12388] ppid=12386 vsize=10320 CPUtime=63.87
/proc/12388/stat : 12388 (minisat_static) R 12386 12388 12351 0 -1 4194304 2392 0 0 0 6385 2 0 0 25 0 1 0 242254946 10567680 2377 1992294400 134512640 135213614 4294956256 18446744073709551615 134526957 0 0 4096 3 0 0 0 17 1 0 0
/proc/12388/statm: 2580 2377 77 171 0 2406 0
Current children cumulated CPU time (s) 63.87
Current children cumulated vsize (KiB) 10320

[startup+70.3019 s]
/proc/loadavg: 0.69 0.42 1.03 2/65 12389
/proc/meminfo: memFree=1194544/2055920 swapFree=4180272/4192956
[pid=12388] ppid=12386 vsize=10456 CPUtime=70.27
/proc/12388/stat : 12388 (minisat_static) R 12386 12388 12351 0 -1 4194304 2397 0 0 0 7025 2 0 0 25 0 1 0 242254946 10706944 2382 1992294400 134512640 135213614 4294956256 18446744073709551615 134536168 0 0 4096 3 0 0 0 17 1 0 0
/proc/12388/statm: 2614 2382 77 171 0 2440 0
Current children cumulated CPU time (s) 70.27
Current children cumulated vsize (KiB) 10456

[startup+71.901 s]
/proc/loadavg: 0.71 0.43 1.03 2/65 12389
/proc/meminfo: memFree=1194544/2055920 swapFree=4180272/4192956
[pid=12388] ppid=12386 vsize=10456 CPUtime=71.87
/proc/12388/stat : 12388 (minisat_static) R 12386 12388 12351 0 -1 4194304 2400 0 0 0 7185 2 0 0 25 0 1 0 242254946 10706944 2385 1992294400 134512640 135213614 4294956256 18446744073709551615 134537117 0 0 4096 3 0 0 0 17 1 0 0
/proc/12388/statm: 2614 2385 77 171 0 2440 0
Current children cumulated CPU time (s) 71.87
Current children cumulated vsize (KiB) 10456

[startup+73.5012 s]
/proc/loadavg: 0.71 0.43 1.03 2/65 12389
/proc/meminfo: memFree=1194544/2055920 swapFree=4180272/4192956
[pid=12388] ppid=12386 vsize=10456 CPUtime=73.47
/proc/12388/stat : 12388 (minisat_static) R 12386 12388 12351 0 -1 4194304 2400 0 0 0 7345 2 0 0 25 0 1 0 242254946 10706944 2385 1992294400 134512640 135213614 4294956256 18446744073709551615 134526796 0 0 4096 3 0 0 0 17 1 0 0
/proc/12388/statm: 2614 2385 77 171 0 2440 0
Current children cumulated CPU time (s) 73.47
Current children cumulated vsize (KiB) 10456

[startup+73.9013 s]
/proc/loadavg: 0.71 0.43 1.03 2/65 12389
/proc/meminfo: memFree=1194544/2055920 swapFree=4180272/4192956
[pid=12388] ppid=12386 vsize=10456 CPUtime=73.87
/proc/12388/stat : 12388 (minisat_static) R 12386 12388 12351 0 -1 4194304 2400 0 0 0 7385 2 0 0 25 0 1 0 242254946 10706944 2385 1992294400 134512640 135213614 4294956256 18446744073709551615 134526789 0 0 4096 3 0 0 0 17 1 0 0
/proc/12388/statm: 2614 2385 77 171 0 2440 0
Current children cumulated CPU time (s) 73.87
Current children cumulated vsize (KiB) 10456

[startup+74.1013 s]
/proc/loadavg: 0.71 0.43 1.03 2/65 12389
/proc/meminfo: memFree=1194544/2055920 swapFree=4180272/4192956
[pid=12388] ppid=12386 vsize=10456 CPUtime=74.07
/proc/12388/stat : 12388 (minisat_static) R 12386 12388 12351 0 -1 4194304 2400 0 0 0 7405 2 0 0 25 0 1 0 242254946 10706944 2385 1992294400 134512640 135213614 4294956256 18446744073709551615 134526985 0 0 4096 3 0 0 0 17 1 0 0
/proc/12388/statm: 2614 2385 77 171 0 2440 0
Current children cumulated CPU time (s) 74.07
Current children cumulated vsize (KiB) 10456

[startup+74.2013 s]
/proc/loadavg: 0.71 0.43 1.03 2/65 12389
/proc/meminfo: memFree=1194544/2055920 swapFree=4180272/4192956
[pid=12388] ppid=12386 vsize=10456 CPUtime=74.17
/proc/12388/stat : 12388 (minisat_static) R 12386 12388 12351 0 -1 4194304 2400 0 0 0 7415 2 0 0 25 0 1 0 242254946 10706944 2385 1992294400 134512640 135213614 4294956256 18446744073709551615 134526885 0 0 4096 3 0 0 0 17 1 0 0
/proc/12388/statm: 2614 2385 77 171 0 2440 0
Current children cumulated CPU time (s) 74.17
Current children cumulated vsize (KiB) 10456

Child status: 10
Real time (s): 74.291
CPU time (s): 74.2637
CPU user time (s): 74.2407
CPU system time (s): 0.022996
CPU usage (%): 99.9633
Max. virtual memory (cumulated for all children) (KiB): 10456

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 74.2407
system time used= 0.022996
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2419
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= 3
involuntary context switches= 162

runsolver used 0.056991 second user time and 0.159975 second system time

The end

Launcher Data

Begin job on node24 at 2009-05-12 17:30:14
IDJOB=1805772
IDBENCH=24595
IDSOLVER=651
FILE ID=node24/1805772-1242142214
PBS_JOBID= 9289697
Free space on /tmp= 66276 MiB

SOLVER NAME= minisat2-core 070721
BENCH NAME= SAT07/crafted/Medium/contest05/others/QG7a-gensys-ukn001.sat05-3841.reshuffled-07.cnf
COMMAND LINE= minisat_static BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1805772-1242142214/watcher-1805772-1242142214 -o /tmp/evaluation-result-1805772-1242142214/solver-1805772-1242142214 -C 1200 -W 1800 -M 1800  minisat_static HOME/instance-1805772-1242142214.cnf

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

MD5SUM BENCH= 74af041eb51b172e799baf4bb7eaa52f
RANDOM SEED=229687625

node24.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		: 3000.232
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		: 3000.232
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:       1204568 kB
Buffers:         53176 kB
Cached:         721396 kB
SwapCached:       6476 kB
Active:          99872 kB
Inactive:       683136 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1204568 kB
SwapTotal:     4192956 kB
SwapFree:      4180272 kB
Dirty:            1672 kB
Writeback:           0 kB
Mapped:          13920 kB
Slab:            54232 kB
Committed_AS:   870260 kB
PageTables:       1440 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= 66276 MiB
End job on node24 at 2009-05-12 17:31:29