Trace number 1725724

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 26.193 26.2065

General information on the benchmark

Namecrafted/Medium/contest05/others/
QG7a-gensys-ukn005.sat05-3845.reshuffled-07.cnf
MD5SUM50ea7ab54b71dd15b01cd5fd293d58eb
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark1.76073
Satisfiable
(Un)Satisfiability was proved
Number of variables2765
Number of clauses18046
Sum of the clauses size127926
Maximum clause length13
Minimum clause length1
Number of clauses of size 135
Number of clauses of size 2400
Number of clauses of size 32372
Number of clauses of size 4481
Number of clauses of size 5648
Number of clauses of size over 514110

Solver Data

0.00/0.00	c Parsing...
0.00/0.03	c ==============================================================================
0.00/0.03	c |           |     ORIGINAL     |              LEARNT              |          |
0.00/0.03	c | Conflicts | Clauses Literals |   Limit Clauses Literals  Lit/Cl | Progress |
0.00/0.03	c ==============================================================================
0.00/0.03	c |         0 |   17729   126296 |    5318       0        0     nan |  0.000 % |
0.09/0.10	c |         0 |   16036   115286 |      --       0       --      -- |     --   | -409/-4789
0.09/0.10	c ==============================================================================
0.09/0.10	c Result  :   #vars: 2657   #clauses: 16036   #literals: 115286
0.09/0.10	c CPU time:   0.093985 s
0.09/0.10	c ==============================================================================
0.09/0.14	This is MiniSat 2.0 beta
0.09/0.14	WARNING: for repeatability, setting FPU to use double precision
0.09/0.14	============================[ Problem Statistics ]=============================
0.09/0.14	|                                                                             |
0.09/0.15	|  Number of variables:  2657                                                 |
0.09/0.15	|  Number of clauses:    16036                                                |
0.09/0.16	|  Parsing time:         0.01         s                                       |
26.06/26.19	restarts              : 17
26.06/26.19	conflicts             : 196380         (7546 /sec)
26.06/26.19	decisions             : 510379         (1.95 % random) (19611 /sec)
26.06/26.19	propagations          : 7412123        (284807 /sec)
26.06/26.19	conflict literals     : 5061646        (31.68 % deleted)
26.06/26.19	Memory used           : 7.16 MB
26.06/26.19	CPU time              : 26.025 s
26.06/26.19	
26.06/26.19	SATISFIABLE
26.18/26.20	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-1725724-1240706318/watcher-1725724-1240706318 -o /tmp/evaluation-result-1725724-1240706318/solver-1725724-1240706318 -C 1200 -W 1800 -M 1800 --output-limit 1,15 lysat.sh HOME/instance-1725724-1240706318.cnf c 

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
Solver output will be limited to a maximum of 15728640 bytes. The first 1048576 bytes and the last 14680064 bytes will be preserved
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 1.50 1.81 1.62 3/64 18312
/proc/meminfo: memFree=1670072/2055920 swapFree=4181432/4192956
[pid=18312] ppid=18310 vsize=5356 CPUtime=0
/proc/18312/stat : 18312 (lysat.sh) S 18310 18312 18248 0 -1 4194304 286 0 0 0 0 0 0 0 18 0 1 0 98658068 5484544 235 1992294400 4194304 4889804 548682068816 18446744073709551615 271638389572 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/18312/statm: 1339 235 195 169 0 50 0
[pid=18313] ppid=18312 vsize=1172 CPUtime=0
/proc/18313/stat : 18313 (SatElite) R 18312 18312 18248 0 -1 4194304 180 0 0 0 0 0 0 0 20 0 1 0 98658068 1200128 164 1992294400 134512640 135034092 4294956112 18446744073709551615 134691005 0 0 4096 3 0 0 0 17 1 0 0
/proc/18313/statm: 293 164 50 127 0 163 0

[startup+0.051597 s]
/proc/loadavg: 1.50 1.81 1.62 3/64 18312
/proc/meminfo: memFree=1670072/2055920 swapFree=4181432/4192956
[pid=18312] ppid=18310 vsize=5356 CPUtime=0
/proc/18312/stat : 18312 (lysat.sh) S 18310 18312 18248 0 -1 4194304 286 0 0 0 0 0 0 0 18 0 1 0 98658068 5484544 235 1992294400 4194304 4889804 548682068816 18446744073709551615 271638389572 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/18312/statm: 1339 235 195 169 0 50 0
[pid=18313] ppid=18312 vsize=3384 CPUtime=0.04
/proc/18313/stat : 18313 (SatElite) R 18312 18312 18248 0 -1 4194304 711 0 0 0 4 0 0 0 20 0 1 0 98658068 3465216 695 1992294400 134512640 135034092 4294956112 18446744073709551615 134563488 0 0 4096 3 0 0 0 17 1 0 0
/proc/18313/statm: 846 695 67 127 0 716 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 8740

[startup+0.101606 s]
/proc/loadavg: 1.50 1.81 1.62 3/64 18312
/proc/meminfo: memFree=1670072/2055920 swapFree=4181432/4192956
[pid=18312] ppid=18310 vsize=5356 CPUtime=0
/proc/18312/stat : 18312 (lysat.sh) S 18310 18312 18248 0 -1 4194304 286 0 0 0 0 0 0 0 18 0 1 0 98658068 5484544 235 1992294400 4194304 4889804 548682068816 18446744073709551615 271638389572 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/18312/statm: 1339 235 195 169 0 50 0
[pid=18313] ppid=18312 vsize=3052 CPUtime=0.09
/proc/18313/stat : 18313 (SatElite) R 18312 18312 18248 0 -1 4194304 713 0 0 0 9 0 0 0 20 0 1 0 98658068 3125248 657 1992294400 134512640 135034092 4294956112 18446744073709551615 134566547 0 0 4096 3 0 0 0 17 1 0 0
/proc/18313/statm: 763 657 68 127 0 633 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 8408

[startup+0.301649 s]
/proc/loadavg: 1.50 1.81 1.62 3/64 18312
/proc/meminfo: memFree=1670072/2055920 swapFree=4181432/4192956
[pid=18312] ppid=18310 vsize=5356 CPUtime=0.13
/proc/18312/stat : 18312 (lysat.sh) S 18310 18312 18248 0 -1 4194304 310 718 0 0 0 0 13 0 15 0 1 0 98658068 5484544 237 1992294400 4194304 4889804 548682068816 18446744073709551615 271638389572 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/18312/statm: 1339 237 195 169 0 50 0
Current children cumulated CPU time (s) 0.13
Current children cumulated vsize (KiB) 5356

[startup+0.701725 s]
/proc/loadavg: 1.50 1.81 1.62 3/64 18312
/proc/meminfo: memFree=1670072/2055920 swapFree=4181432/4192956
[pid=18312] ppid=18310 vsize=5356 CPUtime=0.13
/proc/18312/stat : 18312 (lysat.sh) S 18310 18312 18248 0 -1 4194304 310 718 0 0 0 0 13 0 15 0 1 0 98658068 5484544 237 1992294400 4194304 4889804 548682068816 18446744073709551615 271638389572 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/18312/statm: 1339 237 195 169 0 50 0
Current children cumulated CPU time (s) 0.13
Current children cumulated vsize (KiB) 5356

[startup+1.50186 s]
/proc/loadavg: 1.50 1.81 1.62 2/66 18315
/proc/meminfo: memFree=1665512/2055920 swapFree=4181432/4192956
[pid=18312] ppid=18310 vsize=5356 CPUtime=0.13
/proc/18312/stat : 18312 (lysat.sh) S 18310 18312 18248 0 -1 4194304 310 718 0 0 0 0 13 0 15 0 1 0 98658068 5484544 237 1992294400 4194304 4889804 548682068816 18446744073709551615 271638389572 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/18312/statm: 1339 237 195 169 0 50 0
[pid=18315] ppid=18312 vsize=4884 CPUtime=1.34
/proc/18315/stat : 18315 (LySATc) R 18312 18312 18248 0 -1 4194304 1031 0 0 0 134 0 0 0 25 0 1 0 98658082 5001216 1016 1992294400 134512640 135214827 4294956224 18446744073709551615 134537017 0 0 4096 3 0 0 0 17 1 0 0
/proc/18315/statm: 1221 1016 78 171 0 1048 0
Current children cumulated CPU time (s) 1.47
Current children cumulated vsize (KiB) 10240

[startup+3.10115 s]
/proc/loadavg: 1.50 1.81 1.62 2/66 18315
/proc/meminfo: memFree=1665128/2055920 swapFree=4181432/4192956
[pid=18312] ppid=18310 vsize=5356 CPUtime=0.13
/proc/18312/stat : 18312 (lysat.sh) S 18310 18312 18248 0 -1 4194304 310 718 0 0 0 0 13 0 15 0 1 0 98658068 5484544 237 1992294400 4194304 4889804 548682068816 18446744073709551615 271638389572 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/18312/statm: 1339 237 195 169 0 50 0
[pid=18315] ppid=18312 vsize=5592 CPUtime=2.93
/proc/18315/stat : 18315 (LySATc) R 18312 18312 18248 0 -1 4194304 1171 0 0 0 293 0 0 0 25 0 1 0 98658082 5726208 1156 1992294400 134512640 135214827 4294956224 18446744073709551615 134535672 0 0 4096 3 0 0 0 17 1 0 0
/proc/18315/statm: 1398 1156 78 171 0 1225 0
Current children cumulated CPU time (s) 3.06
Current children cumulated vsize (KiB) 10948

[startup+6.30173 s]
/proc/loadavg: 1.46 1.80 1.62 2/66 18315
/proc/meminfo: memFree=1664040/2055920 swapFree=4181432/4192956
[pid=18312] ppid=18310 vsize=5356 CPUtime=0.13
/proc/18312/stat : 18312 (lysat.sh) S 18310 18312 18248 0 -1 4194304 310 718 0 0 0 0 13 0 15 0 1 0 98658068 5484544 237 1992294400 4194304 4889804 548682068816 18446744073709551615 271638389572 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/18312/statm: 1339 237 195 169 0 50 0
[pid=18315] ppid=18312 vsize=6120 CPUtime=6.13
/proc/18315/stat : 18315 (LySATc) R 18312 18312 18248 0 -1 4194304 1314 0 0 0 613 0 0 0 25 0 1 0 98658082 6266880 1299 1992294400 134512640 135214827 4294956224 18446744073709551615 134527376 0 0 4096 3 0 0 0 17 1 0 0
/proc/18315/statm: 1530 1299 78 171 0 1357 0
Current children cumulated CPU time (s) 6.26
Current children cumulated vsize (KiB) 11476

[startup+12.7019 s]
/proc/loadavg: 1.42 1.79 1.62 2/66 18315
/proc/meminfo: memFree=1663464/2055920 swapFree=4181432/4192956
[pid=18312] ppid=18310 vsize=5356 CPUtime=0.13
/proc/18312/stat : 18312 (lysat.sh) S 18310 18312 18248 0 -1 4194304 310 718 0 0 0 0 13 0 15 0 1 0 98658068 5484544 237 1992294400 4194304 4889804 548682068816 18446744073709551615 271638389572 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/18312/statm: 1339 237 195 169 0 50 0
[pid=18315] ppid=18312 vsize=6652 CPUtime=12.53
/proc/18315/stat : 18315 (LySATc) R 18312 18312 18248 0 -1 4194304 1466 0 0 0 1253 0 0 0 25 0 1 0 98658082 6811648 1451 1992294400 134512640 135214827 4294956224 18446744073709551615 134529397 0 0 4096 3 0 0 0 17 1 0 0
/proc/18315/statm: 1663 1451 78 171 0 1490 0
Current children cumulated CPU time (s) 12.66
Current children cumulated vsize (KiB) 12008

[startup+25.5012 s]
/proc/loadavg: 1.33 1.75 1.61 2/66 18317
/proc/meminfo: memFree=1662888/2055920 swapFree=4181432/4192956
[pid=18312] ppid=18310 vsize=5356 CPUtime=0.13
/proc/18312/stat : 18312 (lysat.sh) S 18310 18312 18248 0 -1 4194304 310 718 0 0 0 0 13 0 15 0 1 0 98658068 5484544 237 1992294400 4194304 4889804 548682068816 18446744073709551615 271638389572 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/18312/statm: 1339 237 195 169 0 50 0
[pid=18315] ppid=18312 vsize=7188 CPUtime=25.33
/proc/18315/stat : 18315 (LySATc) R 18312 18312 18248 0 -1 4194304 1601 0 0 0 2532 1 0 0 25 0 1 0 98658082 7360512 1586 1992294400 134512640 135214827 4294956224 18446744073709551615 134529304 0 0 4096 3 0 0 0 17 1 0 0
/proc/18315/statm: 1797 1586 78 171 0 1624 0
Current children cumulated CPU time (s) 25.46
Current children cumulated vsize (KiB) 12544

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

[startup+25.9013 s]
/proc/loadavg: 1.33 1.75 1.61 2/66 18317
/proc/meminfo: memFree=1662888/2055920 swapFree=4181432/4192956
[pid=18312] ppid=18310 vsize=5356 CPUtime=0.13
/proc/18312/stat : 18312 (lysat.sh) S 18310 18312 18248 0 -1 4194304 310 718 0 0 0 0 13 0 15 0 1 0 98658068 5484544 237 1992294400 4194304 4889804 548682068816 18446744073709551615 271638389572 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/18312/statm: 1339 237 195 169 0 50 0
[pid=18315] ppid=18312 vsize=7188 CPUtime=25.73
/proc/18315/stat : 18315 (LySATc) R 18312 18312 18248 0 -1 4194304 1602 0 0 0 2572 1 0 0 25 0 1 0 98658082 7360512 1587 1992294400 134512640 135214827 4294956224 18446744073709551615 134529488 0 0 4096 3 0 0 0 17 1 0 0
/proc/18315/statm: 1797 1587 78 171 0 1624 0
Current children cumulated CPU time (s) 25.86
Current children cumulated vsize (KiB) 12544

[startup+26.1013 s]
/proc/loadavg: 1.33 1.75 1.61 2/66 18317
/proc/meminfo: memFree=1662888/2055920 swapFree=4181432/4192956
[pid=18312] ppid=18310 vsize=5356 CPUtime=0.13
/proc/18312/stat : 18312 (lysat.sh) S 18310 18312 18248 0 -1 4194304 310 718 0 0 0 0 13 0 15 0 1 0 98658068 5484544 237 1992294400 4194304 4889804 548682068816 18446744073709551615 271638389572 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/18312/statm: 1339 237 195 169 0 50 0
[pid=18315] ppid=18312 vsize=7188 CPUtime=25.93
/proc/18315/stat : 18315 (LySATc) R 18312 18312 18248 0 -1 4194304 1606 0 0 0 2592 1 0 0 25 0 1 0 98658082 7360512 1591 1992294400 134512640 135214827 4294956224 18446744073709551615 134529394 0 0 4096 3 0 0 0 17 1 0 0
/proc/18315/statm: 1797 1591 78 171 0 1624 0
Current children cumulated CPU time (s) 26.06
Current children cumulated vsize (KiB) 12544

[startup+26.2014 s]
/proc/loadavg: 1.33 1.75 1.61 2/66 18317
/proc/meminfo: memFree=1662888/2055920 swapFree=4181432/4192956
[pid=18312] ppid=18310 vsize=5356 CPUtime=26.18
/proc/18312/stat : 18312 (lysat.sh) S 18310 18312 18248 0 -1 4194304 332 2340 0 0 0 0 2616 2 16 0 1 0 98658068 5484544 237 1992294400 4194304 4889804 548682068816 18446744073709551615 271638389572 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/18312/statm: 1339 237 195 169 0 50 0
Current children cumulated CPU time (s) 26.18
Current children cumulated vsize (KiB) 5356

Child status: 10
Real time (s): 26.2065
CPU time (s): 26.193
CPU user time (s): 26.166
CPU system time (s): 0.026995
CPU usage (%): 99.9484
Max. virtual memory (cumulated for all children) (KiB): 12544

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 26.166
system time used= 0.026995
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2882
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= 103

runsolver used 0.028995 second user time and 0.073988 second system time

The end

Launcher Data

Begin job on node67 at 2009-04-26 02:38:38
IDJOB=1725724
IDBENCH=24597
IDSOLVER=512
FILE ID=node67/1725724-1240706318
PBS_JOBID= 9186827
Free space on /tmp= 66304 MiB

SOLVER NAME= LySAT c/2009-03-20
BENCH NAME= SAT07/crafted/Medium/contest05/others/QG7a-gensys-ukn005.sat05-3845.reshuffled-07.cnf
COMMAND LINE= lysat.sh BENCHNAME c
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1725724-1240706318/watcher-1725724-1240706318 -o /tmp/evaluation-result-1725724-1240706318/solver-1725724-1240706318 -C 1200 -W 1800 -M 1800 --output-limit 1,15  lysat.sh HOME/instance-1725724-1240706318.cnf c

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

MD5SUM BENCH= 50ea7ab54b71dd15b01cd5fd293d58eb
RANDOM SEED=398702173

node67.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		: 3000.277
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		: 3000.277
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:       1670488 kB
Buffers:         40208 kB
Cached:         277220 kB
SwapCached:       5368 kB
Active:          92596 kB
Inactive:       232724 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1670488 kB
SwapTotal:     4192956 kB
SwapFree:      4181432 kB
Dirty:            3136 kB
Writeback:           0 kB
Mapped:          13536 kB
Slab:            46088 kB
Committed_AS:   366144 kB
PageTables:       1436 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= 66300 MiB
End job on node67 at 2009-04-26 02:39:05