Trace number 1562185

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
MiniSat 2.1 (Sat-race'08 Edition)SAT 49.3475 49.3674

General information on the benchmark

NameCRAFTED/
edgematching/all/em_7_4_8_all.cnf
MD5SUM49323100760aa1d9fcd1b2d7081994d1
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.049991
Satisfiable
(Un)Satisfiability was proved
Number of variables1617
Number of clauses37237
Sum of the clauses size92593
Maximum clause length25
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 225780
Number of clauses of size 38550
Number of clauses of size 4932
Number of clauses of size 51825
Number of clauses of size over 5150

Solver Data 

0.00/0.00	c WARNING: for repeatability, setting FPU to use double precision
0.00/0.00	c ============================[ Problem Statistics ]=============================
0.00/0.00	c |                                                                             |
0.00/0.02	c |  Number of variables:          1617                                         |
0.00/0.02	c |  Number of clauses:           37237                                         |
0.00/0.02	c |  Parse time:                   0.03 s                                       |
0.10/0.11	c |  Simplification time:          0.08 s                                       |
0.10/0.11	c |                                                                             |
0.10/0.11	c ============================[ Search Statistics ]==============================
0.10/0.11	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.10/0.11	c |           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
0.10/0.11	c ===============================================================================
0.10/0.11	c |       100 |    1613    36787    91281 |    13488      100     21 |  0.000 % |
0.10/0.12	c |       250 |    1607    36787    91281 |    14837      249     21 |  0.371 % |
0.10/0.12	c |       475 |    1601    36787    91281 |    16321      473     28 |  0.743 % |
0.10/0.14	c |       812 |    1595    36787    91281 |    17953      809     27 |  1.113 % |
0.10/0.16	c |      1318 |    1595    36463    90633 |    19748     1313     31 |  1.113 % |
0.10/0.18	c |      2077 |    1595    36463    90633 |    21723     2072     30 |  1.113 % |
0.19/0.24	c |      3216 |    1595    36463    90633 |    23895     3211     36 |  1.115 % |
0.29/0.32	c |      4924 |    1594    36431    90559 |    26285     4916     35 |  1.176 % |
0.39/0.46	c |      7486 |    1588    36431    90559 |    28913     7477     37 |  1.546 % |
0.69/0.71	c |     11330 |    1588    36333    90363 |    31805    11320     39 |  1.546 % |
1.29/1.31	c |     17096 |    1588    36333    90363 |    34985    17086     44 |  1.546 % |
2.49/2.55	c |     25745 |    1588    36333    90363 |    38484    25735     50 |  1.546 % |
6.49/6.60	c |     38719 |    1588    36333    90363 |    42332    18482     55 |  1.546 % |
14.39/14.41	c |     58180 |    1588    36333    90363 |    46566    37943     69 |  1.546 % |
28.88/28.93	c |     87372 |    1588    36333    90363 |    51222    42557     67 |  1.546 % |
49.17/49.26	c |    131161 |    1588    36333    90363 |    56345    32087     60 |  1.546 % |
49.27/49.35	c ===============================================================================
49.27/49.35	c restarts              : 359
49.27/49.35	c conflicts             : 131392         (2668 /sec)
49.27/49.36	c decisions             : 282759         (5741 /sec)
49.27/49.36	c propagations          : 23615364       (479514 /sec)
49.27/49.36	c conflict literals     : 9933935        (33.17 % deleted)
49.27/49.36	c Memory used           : 41.30 MB
49.27/49.36	c CPU time              : 49.2485 s
49.27/49.36	c 
49.27/49.36	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-1562185-1238771240/watcher-1562185-1238771240 -o /tmp/evaluation-result-1562185-1238771240/solver-1562185-1238771240 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/minisat HOME/instance-1562185-1238771240.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
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: 0.92 0.98 0.99 3/72 25434
/proc/meminfo: memFree=1809088/2055920 swapFree=4175756/4192956
[pid=25434] ppid=25432 vsize=7600 CPUtime=0
/proc/25434/stat : 25434 (minisat) R 25432 25434 25167 0 -1 4194304 334 0 0 0 0 0 0 0 18 0 1 0 1149785238 7782400 318 1992294400 4194304 5092341 548682068848 18446744073709551615 4270144 0 0 4096 3 0 0 0 17 1 0 0
/proc/25434/statm: 1900 318 63 219 0 1678 0

[startup+0.106416 s]
/proc/loadavg: 0.92 0.98 0.99 3/72 25434
/proc/meminfo: memFree=1809088/2055920 swapFree=4175756/4192956
[pid=25434] ppid=25432 vsize=14060 CPUtime=0.1
/proc/25434/stat : 25434 (minisat) R 25432 25434 25167 0 -1 4194304 904 0 0 0 10 0 0 0 18 0 1 0 1149785238 14397440 847 1992294400 4194304 5092341 548682068848 18446744073709551615 4262255 0 0 4096 3 0 0 0 17 1 0 0
/proc/25434/statm: 3515 848 89 219 0 3293 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 14060

[startup+0.202435 s]
/proc/loadavg: 0.92 0.98 0.99 3/72 25434
/proc/meminfo: memFree=1809088/2055920 swapFree=4175756/4192956
[pid=25434] ppid=25432 vsize=8868 CPUtime=0.19
/proc/25434/stat : 25434 (minisat) R 25432 25434 25167 0 -1 4194304 1079 0 0 0 19 0 0 0 18 0 1 0 1149785238 9080832 858 1992294400 4194304 5092341 548682068848 18446744073709551615 4241949 0 0 4096 3 0 0 0 17 1 0 0
/proc/25434/statm: 2217 858 100 219 0 1995 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 8868

[startup+0.301454 s]
/proc/loadavg: 0.92 0.98 0.99 3/72 25434
/proc/meminfo: memFree=1809088/2055920 swapFree=4175756/4192956
[pid=25434] ppid=25432 vsize=8868 CPUtime=0.29
/proc/25434/stat : 25434 (minisat) R 25432 25434 25167 0 -1 4194304 1163 0 0 0 29 0 0 0 19 0 1 0 1149785238 9080832 942 1992294400 4194304 5092341 548682068848 18446744073709551615 4265869 0 0 4096 3 0 0 0 17 1 0 0
/proc/25434/statm: 2217 942 101 219 0 1995 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 8868

[startup+0.701533 s]
/proc/loadavg: 0.92 0.98 0.99 3/72 25434
/proc/meminfo: memFree=1809088/2055920 swapFree=4175756/4192956
[pid=25434] ppid=25432 vsize=9296 CPUtime=0.69
/proc/25434/stat : 25434 (minisat) R 25432 25434 25167 0 -1 4194304 1545 0 0 0 69 0 0 0 22 0 1 0 1149785238 9519104 1324 1992294400 4194304 5092341 548682068848 18446744073709551615 4240640 0 0 4096 3 0 0 0 17 1 0 0
/proc/25434/statm: 2324 1324 103 219 0 2102 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 9296

[startup+1.50169 s]
/proc/loadavg: 0.92 0.98 0.99 2/73 25435
/proc/meminfo: memFree=1802872/2055920 swapFree=4175756/4192956
[pid=25434] ppid=25432 vsize=9972 CPUtime=1.49
/proc/25434/stat : 25434 (minisat) R 25432 25434 25167 0 -1 4194304 2117 0 0 0 149 0 0 0 25 0 1 0 1149785238 10211328 1896 1992294400 4194304 5092341 548682068848 18446744073709551615 4240947 0 0 4096 3 0 0 0 17 1 0 0
/proc/25434/statm: 2493 1896 103 219 0 2271 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 9972

[startup+3.10201 s]
/proc/loadavg: 0.92 0.98 0.99 2/73 25435
/proc/meminfo: memFree=1800056/2055920 swapFree=4175756/4192956
[pid=25434] ppid=25432 vsize=13340 CPUtime=3.09
/proc/25434/stat : 25434 (minisat) R 25432 25434 25167 0 -1 4194304 2946 0 0 0 308 1 0 0 25 0 1 0 1149785238 13660160 2725 1992294400 4194304 5092341 548682068848 18446744073709551615 4265872 0 0 4096 3 0 0 0 17 1 0 0
/proc/25434/statm: 3335 2725 103 219 0 3113 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 13340

[startup+6.30164 s]
/proc/loadavg: 0.93 0.98 0.99 2/73 25435
/proc/meminfo: memFree=1795000/2055920 swapFree=4175756/4192956
[pid=25434] ppid=25432 vsize=18164 CPUtime=6.29
/proc/25434/stat : 25434 (minisat) R 25432 25434 25167 0 -1 4194304 3951 0 0 0 627 2 0 0 25 0 1 0 1149785238 18599936 3730 1992294400 4194304 5092341 548682068848 18446744073709551615 4249577 0 0 4096 3 0 0 0 17 1 0 0
/proc/25434/statm: 4541 3730 103 219 0 4319 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 18164

[startup+12.7019 s]
/proc/loadavg: 0.93 0.98 0.99 2/73 25435
/proc/meminfo: memFree=1788792/2055920 swapFree=4175756/4192956
[pid=25434] ppid=25432 vsize=31256 CPUtime=12.69
/proc/25434/stat : 25434 (minisat) R 25432 25434 25167 0 -1 4194304 7832 0 0 0 1264 5 0 0 25 0 1 0 1149785238 32006144 5179 1992294400 4194304 5092341 548682068848 18446744073709551615 4241399 0 0 4096 3 0 0 0 17 1 0 0
/proc/25434/statm: 7814 5179 103 219 0 7592 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 31256

[startup+25.5024 s]
/proc/loadavg: 0.95 0.98 0.99 2/73 25435
/proc/meminfo: memFree=1774328/2055920 swapFree=4175756/4192956
[pid=25434] ppid=25432 vsize=42284 CPUtime=25.49
/proc/25434/stat : 25434 (minisat) R 25432 25434 25167 0 -1 4194304 11362 0 0 0 2541 8 0 0 25 0 1 0 1149785238 43298816 8709 1992294400 4194304 5092341 548682068848 18446744073709551615 4241380 0 0 4096 3 0 0 0 17 1 0 0
/proc/25434/statm: 10571 8709 103 219 0 10349 0
Current children cumulated CPU time (s) 25.49
Current children cumulated vsize (KiB) 42284

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

[startup+25.6024 s]
/proc/loadavg: 0.95 0.98 0.99 2/73 25435
/proc/meminfo: memFree=1774328/2055920 swapFree=4175756/4192956
[pid=25434] ppid=25432 vsize=42284 CPUtime=25.59
/proc/25434/stat : 25434 (minisat) R 25432 25434 25167 0 -1 4194304 11380 0 0 0 2551 8 0 0 25 0 1 0 1149785238 43298816 8727 1992294400 4194304 5092341 548682068848 18446744073709551615 4248682 0 0 4096 3 0 0 0 17 1 0 0
/proc/25434/statm: 10571 8727 103 219 0 10349 0
Current children cumulated CPU time (s) 25.59
Current children cumulated vsize (KiB) 42284

[startup+38.402 s]
/proc/loadavg: 0.95 0.98 0.99 2/73 25435
/proc/meminfo: memFree=1771704/2055920 swapFree=4175756/4192956
[pid=25434] ppid=25432 vsize=42284 CPUtime=38.38
/proc/25434/stat : 25434 (minisat) R 25432 25434 25167 0 -1 4194304 11967 0 0 0 3829 9 0 0 25 0 1 0 1149785238 43298816 9314 1992294400 4194304 5092341 548682068848 18446744073709551615 4241067 0 0 4096 3 0 0 0 17 1 0 0
/proc/25434/statm: 10571 9314 103 219 0 10349 0
Current children cumulated CPU time (s) 38.38
Current children cumulated vsize (KiB) 42284

[startup+44.8012 s]
/proc/loadavg: 0.96 0.98 0.99 2/73 25435
/proc/meminfo: memFree=1771704/2055920 swapFree=4175756/4192956
[pid=25434] ppid=25432 vsize=42284 CPUtime=44.78
/proc/25434/stat : 25434 (minisat) R 25432 25434 25167 0 -1 4194304 11967 0 0 0 4469 9 0 0 25 0 1 0 1149785238 43298816 9314 1992294400 4194304 5092341 548682068848 18446744073709551615 4249992 0 0 4096 3 0 0 0 17 1 0 0
/proc/25434/statm: 10571 9314 103 219 0 10349 0
Current children cumulated CPU time (s) 44.78
Current children cumulated vsize (KiB) 42284

[startup+46.4015 s]
/proc/loadavg: 0.96 0.98 0.99 2/73 25435
/proc/meminfo: memFree=1771704/2055920 swapFree=4175756/4192956
[pid=25434] ppid=25432 vsize=42284 CPUtime=46.38
/proc/25434/stat : 25434 (minisat) R 25432 25434 25167 0 -1 4194304 11967 0 0 0 4629 9 0 0 25 0 1 0 1149785238 43298816 9314 1992294400 4194304 5092341 548682068848 18446744073709551615 4241107 0 0 4096 3 0 0 0 17 1 0 0
/proc/25434/statm: 10571 9314 103 219 0 10349 0
Current children cumulated CPU time (s) 46.38
Current children cumulated vsize (KiB) 42284

[startup+48.0019 s]
/proc/loadavg: 0.96 0.98 0.99 2/73 25435
/proc/meminfo: memFree=1771768/2055920 swapFree=4175756/4192956
[pid=25434] ppid=25432 vsize=42284 CPUtime=47.98
/proc/25434/stat : 25434 (minisat) R 25432 25434 25167 0 -1 4194304 11967 0 0 0 4789 9 0 0 25 0 1 0 1149785238 43298816 9314 1992294400 4194304 5092341 548682068848 18446744073709551615 4240640 0 0 4096 3 0 0 0 17 1 0 0
/proc/25434/statm: 10571 9314 103 219 0 10349 0
Current children cumulated CPU time (s) 47.98
Current children cumulated vsize (KiB) 42284

[startup+48.802 s]
/proc/loadavg: 0.96 0.98 0.99 2/73 25435
/proc/meminfo: memFree=1771768/2055920 swapFree=4175756/4192956
[pid=25434] ppid=25432 vsize=42284 CPUtime=48.78
/proc/25434/stat : 25434 (minisat) R 25432 25434 25167 0 -1 4194304 11967 0 0 0 4869 9 0 0 25 0 1 0 1149785238 43298816 9314 1992294400 4194304 5092341 548682068848 18446744073709551615 4249992 0 0 4096 3 0 0 0 17 1 0 0
/proc/25434/statm: 10571 9314 103 219 0 10349 0
Current children cumulated CPU time (s) 48.78
Current children cumulated vsize (KiB) 42284

[startup+49.2011 s]
/proc/loadavg: 0.96 0.98 0.99 2/73 25435
/proc/meminfo: memFree=1771768/2055920 swapFree=4175756/4192956
[pid=25434] ppid=25432 vsize=42284 CPUtime=49.17
/proc/25434/stat : 25434 (minisat) R 25432 25434 25167 0 -1 4194304 11967 0 0 0 4908 9 0 0 25 0 1 0 1149785238 43298816 9314 1992294400 4194304 5092341 548682068848 18446744073709551615 4241447 0 0 4096 3 0 0 0 17 1 0 0
/proc/25434/statm: 10571 9314 103 219 0 10349 0
Current children cumulated CPU time (s) 49.17
Current children cumulated vsize (KiB) 42284

[startup+49.3011 s]
/proc/loadavg: 0.96 0.98 0.99 2/73 25435
/proc/meminfo: memFree=1771768/2055920 swapFree=4175756/4192956
[pid=25434] ppid=25432 vsize=42284 CPUtime=49.27
/proc/25434/stat : 25434 (minisat) R 25432 25434 25167 0 -1 4194304 11967 0 0 0 4918 9 0 0 25 0 1 0 1149785238 43298816 9314 1992294400 4194304 5092341 548682068848 18446744073709551615 4241447 0 0 4096 3 0 0 0 17 1 0 0
/proc/25434/statm: 10571 9314 103 219 0 10349 0
Current children cumulated CPU time (s) 49.27
Current children cumulated vsize (KiB) 42284

Child status: 10
Real time (s): 49.3674
CPU time (s): 49.3475
CPU user time (s): 49.2495
CPU system time (s): 0.097985
CPU usage (%): 99.9596
Max. virtual memory (cumulated for all children) (KiB): 42284

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 49.2495
system time used= 0.097985
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 11977
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= 109

runsolver used 0.055991 second user time and 0.13098 second system time

The end

Launcher Data 

Begin job on node66 at 2009-04-03 17:07:20
IDJOB=1562185
IDBENCH=70929
IDSOLVER=546
FILE ID=node66/1562185-1238771240
PBS_JOBID= 9085520
Free space on /tmp= 66500 MiB

SOLVER NAME= MiniSat 2.1 (Sat-race'08 Edition)
BENCH NAME= SAT09/APPLICATIONS/edgematching/all/em_7_4_8_all.cnf
COMMAND LINE= HOME/minisat BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1562185-1238771240/watcher-1562185-1238771240 -o /tmp/evaluation-result-1562185-1238771240/solver-1562185-1238771240 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/minisat HOME/instance-1562185-1238771240.cnf

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

MD5SUM BENCH= 49323100760aa1d9fcd1b2d7081994d1
RANDOM SEED=809433200

node66.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		: 3000.286
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		: 3000.286
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:       1809504 kB
Buffers:         26556 kB
Cached:         152028 kB
SwapCached:       8484 kB
Active:          55164 kB
Inactive:       133904 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1809504 kB
SwapTotal:     4192956 kB
SwapFree:      4175756 kB
Dirty:            1468 kB
Writeback:           0 kB
Mapped:          16196 kB
Slab:            42536 kB
Committed_AS:  3450948 kB
PageTables:       1976 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= 66500 MiB
End job on node66 at 2009-04-03 17:08:10