Trace number 312255

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, and are wall clock time (not CPU 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
Rsat 2007-02-08SAT 55.0146 55.0379

General information on the benchmark

Namerandom/2+p/p0.8/v1665/
unif2p-p0.8-v1665-c5178-S1386858597-08-SAT.cnf
MD5SUMd278f0ab23fc6647da28c17830cf2da7
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.261959
Satisfiable
(Un)Satisfiability was proved
Number of variables1665
Number of clauses5177
Sum of the clauses size14496
Maximum clause length3
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 21035
Number of clauses of size 34142
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data (download as text)

0.00/0.00	c Parsing...
0.00/0.00	c ==============================================================================
0.00/0.00	c |           |     ORIGINAL     |              LEARNT              |          |
0.00/0.00	c | Conflicts | Clauses Literals |   Limit Clauses Literals  Lit/Cl | Progress |
0.00/0.00	c ==============================================================================
0.00/0.00	c |         0 |    5177    14496 |    1553       0        0     nan |  0.000 % |
0.00/0.03	c |         0 |    4843    14434 |      --       0       --      -- |     --   | -334/-62
0.00/0.03	c ==============================================================================
0.00/0.03	c Result  :   #vars: 1414   #clauses: 4843   #literals: 14434
0.00/0.03	c CPU time:   0.025996 s
0.00/0.03	c ==============================================================================
0.00/0.03	c Rsat version 2.00
54.90/55.00	c CNF stats: (1414 vars, 4843 clauses)
54.90/55.00	c Decisions: 221901
54.90/55.00	c Conflicts: 179633
54.90/55.02	c Time: 54.97000s
54.90/55.03	s SATISFIABLE
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Verifier Data (download as text)

OK

Watcher Data (download as text)

runsolver version 3.2.0 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node40/watcher-312255-1172584360 -o ROOT/results/node40/solver-312255-1172584360 -C 1200 -M 1800 --output-limit 1,15 /tmp/evaluation/312255-1172584360/rsat.sh /tmp/evaluation/312255-1172584360/instance-312255-1172584360.cnf 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1200 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1230 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: 0.88 0.97 0.99 3/64 3576
/proc/meminfo: memFree=1828464/2055920 swapFree=4179916/4192956
[pid=3576] ppid=3574 vsize=5352 CPUtime=0
/proc/3576/stat : 3576 (rsat.sh) S 3574 3576 3423 0 -1 4194304 283 0 0 0 0 0 0 0 18 0 1 0 183470239 5480448 232 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 264519607108 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/3576/statm: 1338 232 195 169 0 49 0
[pid=3577] ppid=3576 vsize=952 CPUtime=0
/proc/3577/stat : 3577 (SatElite) R 3576 3576 3423 0 -1 4194304 163 0 0 0 0 0 0 0 19 0 1 0 183470239 974848 145 18446744073709551615 134512640 135038345 4294956768 18446744073709551615 134699389 0 0 4096 3 0 0 0 17 1 0 0
/proc/3577/statm: 238 146 49 128 0 107 0

[startup+0.107668 s]
/proc/loadavg: 0.88 0.97 0.99 3/64 3576
/proc/meminfo: memFree=1828464/2055920 swapFree=4179916/4192956
[pid=3576] ppid=3574 vsize=5352 CPUtime=0.03
/proc/3576/stat : 3576 (rsat.sh) S 3574 3576 3423 0 -1 4194304 305 301 0 0 0 0 3 0 16 0 1 0 183470239 5480448 234 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 264519607108 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/3576/statm: 1338 234 195 169 0 49 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 5352

[startup+0.516719 s]
/proc/loadavg: 0.88 0.97 0.99 3/64 3576
/proc/meminfo: memFree=1828464/2055920 swapFree=4179916/4192956
[pid=3576] ppid=3574 vsize=5352 CPUtime=0.03
/proc/3576/stat : 3576 (rsat.sh) S 3574 3576 3423 0 -1 4194304 305 301 0 0 0 0 3 0 16 0 1 0 183470239 5480448 234 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 264519607108 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/3576/statm: 1338 234 195 169 0 49 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 5352

[startup+1.34083 s]
/proc/loadavg: 0.89 0.97 0.99 2/66 3579
/proc/meminfo: memFree=1826592/2055920 swapFree=4179916/4192956
[pid=3576] ppid=3574 vsize=5352 CPUtime=0.03
/proc/3576/stat : 3576 (rsat.sh) S 3574 3576 3423 0 -1 4194304 305 301 0 0 0 0 3 0 16 0 1 0 183470239 5480448 234 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 264519607108 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/3576/statm: 1338 234 195 169 0 49 0
[pid=3579] ppid=3576 vsize=2372 CPUtime=1.29
/proc/3579/stat : 3579 (rsat) R 3576 3576 3423 0 -1 4194304 467 0 0 0 129 0 0 0 25 0 1 0 183470243 2428928 437 18446744073709551615 134512640 135377749 4294956864 18446744073709551615 134523156 0 0 4096 1026 0 0 0 17 1 0 0
/proc/3579/statm: 593 437 86 211 0 379 0
Current children cumulated CPU time (s) 1.32
Current children cumulated vsize (KiB) 7724

[startup+2.97804 s]
/proc/loadavg: 0.89 0.97 0.99 2/66 3579
/proc/meminfo: memFree=1825760/2055920 swapFree=4179916/4192956
[pid=3576] ppid=3574 vsize=5352 CPUtime=0.03
/proc/3576/stat : 3576 (rsat.sh) S 3574 3576 3423 0 -1 4194304 305 301 0 0 0 0 3 0 16 0 1 0 183470239 5480448 234 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 264519607108 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/3576/statm: 1338 234 195 169 0 49 0
[pid=3579] ppid=3576 vsize=3448 CPUtime=2.93
/proc/3579/stat : 3579 (rsat) R 3576 3576 3423 0 -1 4194304 756 0 0 0 293 0 0 0 25 0 1 0 183470243 3530752 677 18446744073709551615 134512640 135377749 4294956864 18446744073709551615 134529253 0 0 4096 1026 0 0 0 17 1 0 0
/proc/3579/statm: 862 677 86 211 0 648 0
Current children cumulated CPU time (s) 2.96
Current children cumulated vsize (KiB) 8800

[startup+6.25446 s]
/proc/loadavg: 0.90 0.97 0.99 2/66 3579
/proc/meminfo: memFree=1824032/2055920 swapFree=4179916/4192956
[pid=3576] ppid=3574 vsize=5352 CPUtime=0.03
/proc/3576/stat : 3576 (rsat.sh) S 3574 3576 3423 0 -1 4194304 305 301 0 0 0 0 3 0 16 0 1 0 183470239 5480448 234 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 264519607108 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/3576/statm: 1338 234 195 169 0 49 0
[pid=3579] ppid=3576 vsize=4840 CPUtime=6.2
/proc/3579/stat : 3579 (rsat) R 3576 3576 3423 0 -1 4194304 1343 0 0 0 620 0 0 0 25 0 1 0 183470243 4956160 1004 18446744073709551615 134512640 135377749 4294956864 18446744073709551615 134522801 0 0 4096 1026 0 0 0 17 1 0 0
/proc/3579/statm: 1210 1004 86 211 0 996 0
Current children cumulated CPU time (s) 6.23
Current children cumulated vsize (KiB) 10192

[startup+12.7153 s]
/proc/loadavg: 0.91 0.97 0.99 2/66 3579
/proc/meminfo: memFree=1822440/2055920 swapFree=4179916/4192956
[pid=3576] ppid=3574 vsize=5352 CPUtime=0.03
/proc/3576/stat : 3576 (rsat.sh) S 3574 3576 3423 0 -1 4194304 305 301 0 0 0 0 3 0 16 0 1 0 183470239 5480448 234 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 264519607108 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/3576/statm: 1338 234 195 169 0 49 0
[pid=3579] ppid=3576 vsize=6256 CPUtime=12.66
/proc/3579/stat : 3579 (rsat) R 3576 3576 3423 0 -1 4194304 1932 0 0 0 1266 0 0 0 25 0 1 0 183470243 6406144 1397 18446744073709551615 134512640 135377749 4294956864 18446744073709551615 134523229 0 0 4096 1026 0 0 0 17 1 0 0
/proc/3579/statm: 1564 1397 86 211 0 1350 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 11608

[startup+25.52 s]
/proc/loadavg: 0.92 0.97 0.99 2/66 3579
/proc/meminfo: memFree=1820712/2055920 swapFree=4179916/4192956
[pid=3576] ppid=3574 vsize=5352 CPUtime=0.03
/proc/3576/stat : 3576 (rsat.sh) S 3574 3576 3423 0 -1 4194304 305 301 0 0 0 0 3 0 16 0 1 0 183470239 5480448 234 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 264519607108 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/3576/statm: 1338 234 195 169 0 49 0
[pid=3579] ppid=3576 vsize=8344 CPUtime=25.46
/proc/3579/stat : 3579 (rsat) R 3576 3576 3423 0 -1 4194304 2884 0 0 0 2545 1 0 0 25 0 1 0 183470243 8544256 1863 18446744073709551615 134512640 135377749 4294956864 18446744073709551615 134522826 0 0 4096 1026 0 0 0 17 1 0 0
/proc/3579/statm: 2086 1863 86 211 0 1872 0
Current children cumulated CPU time (s) 25.49
Current children cumulated vsize (KiB) 13696

[startup+51.1453 s]
/proc/loadavg: 0.95 0.97 0.99 2/66 3579
/proc/meminfo: memFree=1817384/2055920 swapFree=4179916/4192956
[pid=3576] ppid=3574 vsize=5352 CPUtime=0.03
/proc/3576/stat : 3576 (rsat.sh) S 3574 3576 3423 0 -1 4194304 305 301 0 0 0 0 3 0 16 0 1 0 183470239 5480448 234 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 264519607108 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/3576/statm: 1338 234 195 169 0 49 0
[pid=3579] ppid=3576 vsize=11376 CPUtime=51.08
/proc/3579/stat : 3579 (rsat) R 3576 3576 3423 0 -1 4194304 4063 0 0 0 5106 2 0 0 25 0 1 0 183470243 11649024 2654 18446744073709551615 134512640 135377749 4294956864 18446744073709551615 134522898 0 0 4096 1026 0 0 0 17 1 0 0
/proc/3579/statm: 2844 2654 86 211 0 2630 0
Current children cumulated CPU time (s) 51.11
Current children cumulated vsize (KiB) 16728

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

[startup+52.4824 s]
/proc/loadavg: 0.95 0.97 0.99 2/66 3579
/proc/meminfo: memFree=1817384/2055920 swapFree=4179916/4192956
[pid=3576] ppid=3574 vsize=5352 CPUtime=0.03
/proc/3576/stat : 3576 (rsat.sh) S 3574 3576 3423 0 -1 4194304 305 301 0 0 0 0 3 0 16 0 1 0 183470239 5480448 234 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 264519607108 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/3576/statm: 1338 234 195 169 0 49 0
[pid=3579] ppid=3576 vsize=11376 CPUtime=52.41
/proc/3579/stat : 3579 (rsat) R 3576 3576 3423 0 -1 4194304 4063 0 0 0 5239 2 0 0 25 0 1 0 183470243 11649024 2654 18446744073709551615 134512640 135377749 4294956864 18446744073709551615 134522794 0 0 4096 1026 0 0 0 17 1 0 0
/proc/3579/statm: 2844 2654 86 211 0 2630 0
Current children cumulated CPU time (s) 52.44
Current children cumulated vsize (KiB) 16728

[startup+54.1216 s]
/proc/loadavg: 0.95 0.97 0.99 2/66 3579
/proc/meminfo: memFree=1817384/2055920 swapFree=4179916/4192956
[pid=3576] ppid=3574 vsize=5352 CPUtime=0.03
/proc/3576/stat : 3576 (rsat.sh) S 3574 3576 3423 0 -1 4194304 305 301 0 0 0 0 3 0 16 0 1 0 183470239 5480448 234 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 264519607108 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/3576/statm: 1338 234 195 169 0 49 0
[pid=3579] ppid=3576 vsize=11376 CPUtime=54.06
/proc/3579/stat : 3579 (rsat) R 3576 3576 3423 0 -1 4194304 4063 0 0 0 5404 2 0 0 25 0 1 0 183470243 11649024 2654 18446744073709551615 134512640 135377749 4294956864 18446744073709551615 134522794 0 0 4096 1026 0 0 0 17 1 0 0
/proc/3579/statm: 2844 2654 86 211 0 2630 0
Current children cumulated CPU time (s) 54.09
Current children cumulated vsize (KiB) 16728

[startup+54.5337 s]
/proc/loadavg: 0.95 0.97 0.99 2/66 3579
/proc/meminfo: memFree=1817384/2055920 swapFree=4179916/4192956
[pid=3576] ppid=3574 vsize=5352 CPUtime=0.03
/proc/3576/stat : 3576 (rsat.sh) S 3574 3576 3423 0 -1 4194304 305 301 0 0 0 0 3 0 16 0 1 0 183470239 5480448 234 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 264519607108 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/3576/statm: 1338 234 195 169 0 49 0
[pid=3579] ppid=3576 vsize=11376 CPUtime=54.46
/proc/3579/stat : 3579 (rsat) R 3576 3576 3423 0 -1 4194304 4063 0 0 0 5444 2 0 0 25 0 1 0 183470243 11649024 2654 18446744073709551615 134512640 135377749 4294956864 18446744073709551615 134522833 0 0 4096 1026 0 0 0 17 1 0 0
/proc/3579/statm: 2844 2654 86 211 0 2630 0
Current children cumulated CPU time (s) 54.49
Current children cumulated vsize (KiB) 16728

[startup+54.9418 s]
/proc/loadavg: 0.95 0.97 0.99 2/66 3579
/proc/meminfo: memFree=1817384/2055920 swapFree=4179916/4192956
[pid=3576] ppid=3574 vsize=5352 CPUtime=0.03
/proc/3576/stat : 3576 (rsat.sh) S 3574 3576 3423 0 -1 4194304 305 301 0 0 0 0 3 0 16 0 1 0 183470239 5480448 234 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 264519607108 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/3576/statm: 1338 234 195 169 0 49 0
[pid=3579] ppid=3576 vsize=11376 CPUtime=54.87
/proc/3579/stat : 3579 (rsat) R 3576 3576 3423 0 -1 4194304 4066 0 0 0 5485 2 0 0 25 0 1 0 183470243 11649024 2657 18446744073709551615 134512640 135377749 4294956864 18446744073709551615 134522794 0 0 4096 1026 0 0 0 17 1 0 0
/proc/3579/statm: 2844 2657 86 211 0 2630 0
Current children cumulated CPU time (s) 54.9
Current children cumulated vsize (KiB) 16728

Child status: 10
Real time (s): 55.0379
CPU time (s): 55.0146
CPU user time (s): 54.9766
CPU system time (s): 0.037994
CPU usage (%): 99.9577
Max. virtual memory (cumulated for all children) (KiB): 16728

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 54.9766
system time used= 0.037994
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 4999
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= 57
involuntary context switches= 144

runsolver used 0.047992 second user time and 0.114982 second system time

The end

Launcher Data (download as text)

Begin job on node40 on Tue Feb 27 13:52:40 UTC 2007

IDJOB= 312255
IDBENCH= 20337
IDSOLVER= 104
FILE ID= node40/312255-1172584360

PBS_JOBID= 3971935

Free space on /tmp= 66558 MiB

SOLVER NAME= Rsat 2007-02-08
BENCH NAME= HOME/pub/bench/SAT07/random/2+p/p0.8/v1665/unif2p-p0.8-v1665-c5178-S1386858597-08-SAT.cnf
COMMAND LINE= /tmp/evaluation/312255-1172584360/rsat.sh /tmp/evaluation/312255-1172584360/instance-312255-1172584360.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node40/watcher-312255-1172584360 -o ROOT/results/node40/solver-312255-1172584360 -C 1200 -M 1800 --output-limit 1,15  /tmp/evaluation/312255-1172584360/rsat.sh /tmp/evaluation/312255-1172584360/instance-312255-1172584360.cnf            

META MD5SUM SOLVER= 42fb71d21991acbdd759c16645f65450
MD5SUM BENCH=  d278f0ab23fc6647da28c17830cf2da7

RANDOM SEED= 735312195

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node40.alineos.net 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005 x86_64 x86_64 x86_64 GNU/Linux

/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		: 3000.242
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		: 3000.242
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:       1828872 kB
Buffers:         32212 kB
Cached:         143280 kB
SwapCached:       7428 kB
Active:         101576 kB
Inactive:        87232 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1828872 kB
SwapTotal:     4192956 kB
SwapFree:      4179916 kB
Dirty:            2052 kB
Writeback:           0 kB
Mapped:          15192 kB
Slab:            24260 kB
Committed_AS:   300136 kB
PageTables:       1412 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= 66558 MiB

End job on node40 on Tue Feb 27 13:53:35 UTC 2007