Trace number 1824919

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
LySAT c/2009-03-20SAT 30.3594 30.3734

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 benchmark2.47462
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	c Parsing...
0.00/0.04	c ==============================================================================
0.00/0.04	c |           |     ORIGINAL     |              LEARNT              |          |
0.00/0.04	c | Conflicts | Clauses Literals |   Limit Clauses Literals  Lit/Cl | Progress |
0.00/0.04	c ==============================================================================
0.00/0.04	c |         0 |   17993   127298 |    5397       0        0     nan |  0.000 % |
0.00/0.10	c |         0 |   16362   117564 |      --       0       --      -- |     --   | -422/-4856
0.00/0.10	c ==============================================================================
0.00/0.10	c Result  :   #vars: 2638   #clauses: 16362   #literals: 117564
0.00/0.10	c CPU time:   0.089986 s
0.00/0.10	c ==============================================================================
0.00/0.14	This is MiniSat 2.0 beta
0.00/0.14	WARNING: for repeatability, setting FPU to use double precision
0.00/0.14	============================[ Problem Statistics ]=============================
0.00/0.14	|                                                                             |
0.00/0.14	|  Number of variables:  2638                                                 |
0.00/0.14	|  Number of clauses:    16362                                                |
0.00/0.16	|  Parsing time:         0.01         s                                       |
30.25/30.36	restarts              : 18
30.25/30.36	conflicts             : 216242         (7162 /sec)
30.25/30.36	decisions             : 553146         (1.96 % random) (18321 /sec)
30.25/30.36	propagations          : 8006048        (265168 /sec)
30.25/30.36	conflict literals     : 5693877        (30.66 % deleted)
30.25/30.36	Memory used           : 7.70 MB
30.25/30.36	CPU time              : 30.1924 s
30.25/30.36	
30.25/30.36	SATISFIABLE
30.25/30.37	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-1824919-1242473002/watcher-1824919-1242473002 -o /tmp/evaluation-result-1824919-1242473002/solver-1824919-1242473002 -C 5000 -W 6000 -M 1800 lysat.sh HOME/instance-1824919-1242473002.cnf c 

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: 1.01 1.02 0.94 3/64 2163
/proc/meminfo: memFree=1204112/2055920 swapFree=4176708/4192956
[pid=2163] ppid=2161 vsize=3004 CPUtime=0
/proc/2163/stat : 2163 (lysat.sh) R 2161 2163 2041 0 -1 4194304 56 0 0 0 0 0 0 0 20 0 1 0 275327356 3076096 40 1992294400 4194304 4889804 548682068816 18446744073709551615 246403888521 0 0 4096 0 0 0 0 17 1 0 0
/proc/2163/statm: 1314 41 31 169 0 9 0

[startup+0.057699 s]
/proc/loadavg: 1.01 1.02 0.94 3/64 2163
/proc/meminfo: memFree=1204112/2055920 swapFree=4176708/4192956
[pid=2163] ppid=2161 vsize=5356 CPUtime=0
/proc/2163/stat : 2163 (lysat.sh) S 2161 2163 2041 0 -1 4194304 286 0 0 0 0 0 0 0 20 0 1 0 275327356 5484544 235 1992294400 4194304 4889804 548682068816 18446744073709551615 246406505284 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/2163/statm: 1339 235 195 169 0 50 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 5356

[startup+0.101696 s]
/proc/loadavg: 1.01 1.02 0.94 3/64 2163
/proc/meminfo: memFree=1204112/2055920 swapFree=4176708/4192956
[pid=2163] ppid=2161 vsize=5356 CPUtime=0
/proc/2163/stat : 2163 (lysat.sh) S 2161 2163 2041 0 -1 4194304 286 0 0 0 0 0 0 0 20 0 1 0 275327356 5484544 235 1992294400 4194304 4889804 548682068816 18446744073709551615 246406505284 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/2163/statm: 1339 235 195 169 0 50 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 5356

[startup+0.301711 s]
/proc/loadavg: 1.01 1.02 0.94 3/64 2163
/proc/meminfo: memFree=1204112/2055920 swapFree=4176708/4192956
[pid=2163] ppid=2161 vsize=5356 CPUtime=0.12
/proc/2163/stat : 2163 (lysat.sh) S 2161 2163 2041 0 -1 4194304 310 731 0 0 0 0 12 0 17 0 1 0 275327356 5484544 237 1992294400 4194304 4889804 548682068816 18446744073709551615 246406505284 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/2163/statm: 1339 237 195 169 0 50 0
Current children cumulated CPU time (s) 0.12
Current children cumulated vsize (KiB) 5356

[startup+0.701748 s]
/proc/loadavg: 1.01 1.02 0.94 3/64 2163
/proc/meminfo: memFree=1204112/2055920 swapFree=4176708/4192956
[pid=2163] ppid=2161 vsize=5356 CPUtime=0.12
/proc/2163/stat : 2163 (lysat.sh) S 2161 2163 2041 0 -1 4194304 310 731 0 0 0 0 12 0 17 0 1 0 275327356 5484544 237 1992294400 4194304 4889804 548682068816 18446744073709551615 246406505284 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/2163/statm: 1339 237 195 169 0 50 0
Current children cumulated CPU time (s) 0.12
Current children cumulated vsize (KiB) 5356

[startup+1.50182 s]
/proc/loadavg: 1.01 1.02 0.94 2/66 2167
/proc/meminfo: memFree=1199424/2055920 swapFree=4176708/4192956
[pid=2163] ppid=2161 vsize=5356 CPUtime=0.12
/proc/2163/stat : 2163 (lysat.sh) S 2161 2163 2041 0 -1 4194304 310 731 0 0 0 0 12 0 17 0 1 0 275327356 5484544 237 1992294400 4194304 4889804 548682068816 18446744073709551615 246406505284 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/2163/statm: 1339 237 195 169 0 50 0
[pid=2167] ppid=2163 vsize=5104 CPUtime=1.34
/proc/2167/stat : 2167 (LySATc) R 2163 2163 2041 0 -1 4194304 1060 0 0 0 134 0 0 0 25 0 1 0 275327371 5226496 1045 1992294400 134512640 135214827 4294956224 18446744073709551615 134720950 0 0 4096 3 0 0 0 17 1 0 0
/proc/2167/statm: 1276 1045 77 171 0 1103 0
Current children cumulated CPU time (s) 1.46
Current children cumulated vsize (KiB) 10460

[startup+3.10298 s]
/proc/loadavg: 1.01 1.02 0.94 2/66 2167
/proc/meminfo: memFree=1198848/2055920 swapFree=4176708/4192956
[pid=2163] ppid=2161 vsize=5356 CPUtime=0.12
/proc/2163/stat : 2163 (lysat.sh) S 2161 2163 2041 0 -1 4194304 310 731 0 0 0 0 12 0 17 0 1 0 275327356 5484544 237 1992294400 4194304 4889804 548682068816 18446744073709551615 246406505284 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/2163/statm: 1339 237 195 169 0 50 0
[pid=2167] ppid=2163 vsize=5368 CPUtime=2.94
/proc/2167/stat : 2167 (LySATc) R 2163 2163 2041 0 -1 4194304 1152 0 0 0 294 0 0 0 25 0 1 0 275327371 5496832 1137 1992294400 134512640 135214827 4294956224 18446744073709551615 134529488 0 0 4096 3 0 0 0 17 1 0 0
/proc/2167/statm: 1342 1137 77 171 0 1169 0
Current children cumulated CPU time (s) 3.06
Current children cumulated vsize (KiB) 10724

[startup+6.30128 s]
/proc/loadavg: 1.01 1.02 0.94 2/66 2167
/proc/meminfo: memFree=1198208/2055920 swapFree=4176708/4192956
[pid=2163] ppid=2161 vsize=5356 CPUtime=0.12
/proc/2163/stat : 2163 (lysat.sh) S 2161 2163 2041 0 -1 4194304 310 731 0 0 0 0 12 0 17 0 1 0 275327356 5484544 237 1992294400 4194304 4889804 548682068816 18446744073709551615 246406505284 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/2163/statm: 1339 237 195 169 0 50 0
[pid=2167] ppid=2163 vsize=5996 CPUtime=6.15
/proc/2167/stat : 2167 (LySATc) R 2163 2163 2041 0 -1 4194304 1307 0 0 0 614 1 0 0 25 0 1 0 275327371 6139904 1292 1992294400 134512640 135214827 4294956224 18446744073709551615 134529488 0 0 4096 3 0 0 0 17 1 0 0
/proc/2167/statm: 1499 1292 77 171 0 1326 0
Current children cumulated CPU time (s) 6.27
Current children cumulated vsize (KiB) 11352

[startup+12.7019 s]
/proc/loadavg: 1.01 1.02 0.94 2/66 2167
/proc/meminfo: memFree=1197120/2055920 swapFree=4176708/4192956
[pid=2163] ppid=2161 vsize=5356 CPUtime=0.12
/proc/2163/stat : 2163 (lysat.sh) S 2161 2163 2041 0 -1 4194304 310 731 0 0 0 0 12 0 17 0 1 0 275327356 5484544 237 1992294400 4194304 4889804 548682068816 18446744073709551615 246406505284 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/2163/statm: 1339 237 195 169 0 50 0
[pid=2167] ppid=2163 vsize=6920 CPUtime=12.54
/proc/2167/stat : 2167 (LySATc) R 2163 2163 2041 0 -1 4194304 1533 0 0 0 1253 1 0 0 25 0 1 0 275327371 7086080 1518 1992294400 134512640 135214827 4294956224 18446744073709551615 134529471 0 0 4096 3 0 0 0 17 1 0 0
/proc/2167/statm: 1730 1518 77 171 0 1557 0
Current children cumulated CPU time (s) 12.66
Current children cumulated vsize (KiB) 12276

[startup+25.5011 s]
/proc/loadavg: 1.01 1.02 0.94 2/66 2167
/proc/meminfo: memFree=1196800/2055920 swapFree=4176708/4192956
[pid=2163] ppid=2161 vsize=5356 CPUtime=0.12
/proc/2163/stat : 2163 (lysat.sh) S 2161 2163 2041 0 -1 4194304 310 731 0 0 0 0 12 0 17 0 1 0 275327356 5484544 237 1992294400 4194304 4889804 548682068816 18446744073709551615 246406505284 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/2163/statm: 1339 237 195 169 0 50 0
[pid=2167] ppid=2163 vsize=7320 CPUtime=25.34
/proc/2167/stat : 2167 (LySATc) R 2163 2163 2041 0 -1 4194304 1642 0 0 0 2533 1 0 0 25 0 1 0 275327371 7495680 1627 1992294400 134512640 135214827 4294956224 18446744073709551615 134529488 0 0 4096 3 0 0 0 17 1 0 0
/proc/2167/statm: 1830 1627 77 171 0 1657 0
Current children cumulated CPU time (s) 25.46
Current children cumulated vsize (KiB) 12676

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

[startup+28.7024 s]
/proc/loadavg: 1.01 1.02 0.94 2/66 2167
/proc/meminfo: memFree=1196800/2055920 swapFree=4176708/4192956
[pid=2163] ppid=2161 vsize=5356 CPUtime=0.12
/proc/2163/stat : 2163 (lysat.sh) S 2161 2163 2041 0 -1 4194304 310 731 0 0 0 0 12 0 17 0 1 0 275327356 5484544 237 1992294400 4194304 4889804 548682068816 18446744073709551615 246406505284 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/2163/statm: 1339 237 195 169 0 50 0
[pid=2167] ppid=2163 vsize=7452 CPUtime=28.54
/proc/2167/stat : 2167 (LySATc) R 2163 2163 2041 0 -1 4194304 1662 0 0 0 2853 1 0 0 25 0 1 0 275327371 7630848 1647 1992294400 134512640 135214827 4294956224 18446744073709551615 134529363 0 0 4096 3 0 0 0 17 1 0 0
/proc/2167/statm: 1863 1647 77 171 0 1690 0
Current children cumulated CPU time (s) 28.66
Current children cumulated vsize (KiB) 12808

[startup+29.5015 s]
/proc/loadavg: 1.01 1.02 0.94 2/66 2167
/proc/meminfo: memFree=1196800/2055920 swapFree=4176708/4192956
[pid=2163] ppid=2161 vsize=5356 CPUtime=0.12
/proc/2163/stat : 2163 (lysat.sh) S 2161 2163 2041 0 -1 4194304 310 731 0 0 0 0 12 0 17 0 1 0 275327356 5484544 237 1992294400 4194304 4889804 548682068816 18446744073709551615 246406505284 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/2163/statm: 1339 237 195 169 0 50 0
[pid=2167] ppid=2163 vsize=7880 CPUtime=29.33
/proc/2167/stat : 2167 (LySATc) R 2163 2163 2041 0 -1 4194304 1764 0 0 0 2932 1 0 0 25 0 1 0 275327371 8069120 1749 1992294400 134512640 135214827 4294956224 18446744073709551615 134529197 0 0 4096 3 0 0 0 17 1 0 0
/proc/2167/statm: 1970 1749 77 171 0 1797 0
Current children cumulated CPU time (s) 29.45
Current children cumulated vsize (KiB) 13236

[startup+29.9015 s]
/proc/loadavg: 1.00 1.02 0.94 2/66 2167
/proc/meminfo: memFree=1196352/2055920 swapFree=4176708/4192956
[pid=2163] ppid=2161 vsize=5356 CPUtime=0.12
/proc/2163/stat : 2163 (lysat.sh) S 2161 2163 2041 0 -1 4194304 310 731 0 0 0 0 12 0 17 0 1 0 275327356 5484544 237 1992294400 4194304 4889804 548682068816 18446744073709551615 246406505284 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/2163/statm: 1339 237 195 169 0 50 0
[pid=2167] ppid=2163 vsize=7880 CPUtime=29.73
/proc/2167/stat : 2167 (LySATc) R 2163 2163 2041 0 -1 4194304 1764 0 0 0 2972 1 0 0 25 0 1 0 275327371 8069120 1749 1992294400 134512640 135214827 4294956224 18446744073709551615 134529197 0 0 4096 3 0 0 0 17 1 0 0
/proc/2167/statm: 1970 1749 77 171 0 1797 0
Current children cumulated CPU time (s) 29.85
Current children cumulated vsize (KiB) 13236

[startup+30.3015 s]
/proc/loadavg: 1.00 1.02 0.94 2/66 2167
/proc/meminfo: memFree=1196352/2055920 swapFree=4176708/4192956
[pid=2163] ppid=2161 vsize=5356 CPUtime=0.12
/proc/2163/stat : 2163 (lysat.sh) S 2161 2163 2041 0 -1 4194304 310 731 0 0 0 0 12 0 17 0 1 0 275327356 5484544 237 1992294400 4194304 4889804 548682068816 18446744073709551615 246406505284 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/2163/statm: 1339 237 195 169 0 50 0
[pid=2167] ppid=2163 vsize=7880 CPUtime=30.13
/proc/2167/stat : 2167 (LySATc) R 2163 2163 2041 0 -1 4194304 1764 0 0 0 3012 1 0 0 25 0 1 0 275327371 8069120 1749 1992294400 134512640 135214827 4294956224 18446744073709551615 134527974 0 0 4096 3 0 0 0 17 1 0 0
/proc/2167/statm: 1970 1749 77 171 0 1797 0
Current children cumulated CPU time (s) 30.25
Current children cumulated vsize (KiB) 13236

Child status: 10
Real time (s): 30.3734
CPU time (s): 30.3594
CPU user time (s): 30.3264
CPU system time (s): 0.032994
CPU usage (%): 99.9539
Max. virtual memory (cumulated for all children) (KiB): 13236

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 30.3264
system time used= 0.032994
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 3047
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= 11
involuntary context switches= 100

runsolver used 0.038994 second user time and 0.080987 second system time

The end

Launcher Data

Begin job on node61 at 2009-05-16 13:23:22
IDJOB=1824919
IDBENCH=24595
IDSOLVER=667
FILE ID=node61/1824919-1242473002
PBS_JOBID= 9306776
Free space on /tmp= 66260 MiB

SOLVER NAME= LySAT c/2009-03-20
BENCH NAME= SAT07/crafted/Medium/contest05/others/QG7a-gensys-ukn001.sat05-3841.reshuffled-07.cnf
COMMAND LINE= lysat.sh BENCHNAME c
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1824919-1242473002/watcher-1824919-1242473002 -o /tmp/evaluation-result-1824919-1242473002/solver-1824919-1242473002 -C 5000 -W 6000 -M 1800  lysat.sh HOME/instance-1824919-1242473002.cnf c

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

MD5SUM BENCH= 74af041eb51b172e799baf4bb7eaa52f
RANDOM SEED=602890393

node61.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		: 3000.216
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		: 3000.216
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:       1204528 kB
Buffers:         67664 kB
Cached:         694704 kB
SwapCached:      10452 kB
Active:         144476 kB
Inactive:       630824 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1204528 kB
SwapTotal:     4192956 kB
SwapFree:      4176708 kB
Dirty:            2928 kB
Writeback:           0 kB
Mapped:          13804 kB
Slab:            62160 kB
Committed_AS:   990176 kB
PageTables:       1392 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264884 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66260 MiB
End job on node61 at 2009-05-16 13:23:53