Trace number 1805765

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 106.381 106.424

General information on the benchmark

Namecrafted/Medium/contest05/others/
QG7a-gensys-brn004.sat05-3669.reshuffled-07.cnf
MD5SUM51245c7b8edb32c4dbd94daf982c00d7
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark2.82957
Satisfiable
(Un)Satisfiability was proved
Number of variables2435
Number of clauses16016
Sum of the clauses size112873
Maximum clause length13
Minimum clause length1
Number of clauses of size 135
Number of clauses of size 2385
Number of clauses of size 32207
Number of clauses of size 4298
Number of clauses of size 5447
Number of clauses of size over 512644

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:  2435                                                 |
0.00/0.00	|  Number of clauses:    16016                                                |
0.00/0.02	|  Parsing time:         0.02         s                                       |
0.00/0.02	============================[ Search Statistics ]==============================
0.00/0.02	| Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.00/0.02	|           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
0.00/0.02	===============================================================================
0.00/0.02	|         0 |    2379    15512   110800 |     5170        0    nan |  0.000 % |
0.00/0.03	|       100 |    2379    15512   110800 |     5687      100     13 |  2.300 % |
0.00/0.03	|       250 |    2379    15512   110800 |     6256      250     13 |  2.300 % |
0.00/0.03	|       475 |    2379    15512   110800 |     6882      475     13 |  2.300 % |
0.00/0.04	|       813 |    2379    15512   110800 |     7570      813     13 |  2.300 % |
0.03/0.05	|      1319 |    2379    15512   110800 |     8327     1319     14 |  2.300 % |
0.03/0.08	|      2080 |    2379    15512   110800 |     9160     2080     18 |  2.300 % |
0.09/0.10	|      3220 |    2379    15512   110800 |    10076     3220     18 |  2.300 % |
0.09/0.15	|      4929 |    2379    15512   110800 |    11083     4929     17 |  2.300 % |
0.19/0.25	|      7491 |    2379    15512   110800 |    12192     7491     17 |  2.300 % |
0.39/0.49	|     11335 |    2379    15512   110800 |    13411    11335     21 |  2.300 % |
0.79/0.86	|     17102 |    2379    15512   110800 |    14752    10283     22 |  2.300 % |
1.49/1.51	|     25751 |    2379    15512   110800 |    16227    11432     26 |  2.300 % |
2.79/2.86	|     38725 |    2379    15512   110800 |    17850    16190     27 |  2.300 % |
4.59/4.69	|     58186 |    2379    15512   110800 |    19635    17571     27 |  2.300 % |
7.88/7.91	|     87378 |    2379    15512   110800 |    21599    17013     26 |  2.300 % |
13.18/13.27	|    131167 |    2379    15512   110800 |    23759    17173     25 |  2.300 % |
21.98/22.07	|    196851 |    2379    15512   110800 |    26134    22969     25 |  2.300 % |
38.08/38.11	|    295379 |    2378    15488   110656 |    28748    16094     20 |  2.341 % |
71.16/71.29	|    443168 |    2378    15488   110656 |    31623    19168     26 |  2.341 % |
106.35/106.42	===============================================================================
106.35/106.42	restarts              : 20
106.35/106.42	conflicts             : 601611         (5657 /sec)
106.35/106.42	decisions             : 1452424        (1.94 % random) (13656 /sec)
106.35/106.42	propagations          : 21894163       (205856 /sec)
106.35/106.42	conflict literals     : 17618026       (28.83 % deleted)
106.35/106.42	Memory used           : 9.87 MB
106.35/106.42	CPU time              : 106.357 s
106.35/106.42	
106.35/106.42	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-1805765-1242142214/watcher-1805765-1242142214 -o /tmp/evaluation-result-1805765-1242142214/solver-1805765-1242142214 -C 1200 -W 1800 -M 1800 minisat_static HOME/instance-1805765-1242142214.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 0.26 0.99 3/64 14897
/proc/meminfo: memFree=1014392/2055920 swapFree=4181168/4192956
[pid=14897] ppid=14895 vsize=1884 CPUtime=0
/proc/14897/stat : 14897 (minisat_static) R 14895 14897 14860 0 -1 4194304 131 0 0 0 0 0 0 0 20 0 1 0 242249952 1929216 116 1992294400 134512640 135213614 4294956256 18446744073709551615 134741438 0 0 4096 3 0 0 0 17 1 0 0
/proc/14897/statm: 471 122 46 171 0 297 0

[startup+0.0467751 s]
/proc/loadavg: 0.00 0.26 0.99 3/64 14897
/proc/meminfo: memFree=1014392/2055920 swapFree=4181168/4192956
[pid=14897] ppid=14895 vsize=2984 CPUtime=0.03
/proc/14897/stat : 14897 (minisat_static) R 14895 14897 14860 0 -1 4194304 545 0 0 0 3 0 0 0 21 0 1 0 242249952 3055616 530 1992294400 134512640 135213614 4294956256 18446744073709551615 134719510 0 0 4096 3 0 0 0 17 1 0 0
/proc/14897/statm: 746 530 78 171 0 572 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 2984

[startup+0.101781 s]
/proc/loadavg: 0.00 0.26 0.99 3/64 14897
/proc/meminfo: memFree=1014392/2055920 swapFree=4181168/4192956
[pid=14897] ppid=14895 vsize=3248 CPUtime=0.09
/proc/14897/stat : 14897 (minisat_static) R 14895 14897 14860 0 -1 4194304 609 0 0 0 9 0 0 0 21 0 1 0 242249952 3325952 594 1992294400 134512640 135213614 4294956256 18446744073709551615 134719510 0 0 4096 3 0 0 0 17 1 0 0
/proc/14897/statm: 812 594 78 171 0 638 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 3248

[startup+0.301817 s]
/proc/loadavg: 0.00 0.26 0.99 3/64 14897
/proc/meminfo: memFree=1014392/2055920 swapFree=4181168/4192956
[pid=14897] ppid=14895 vsize=3932 CPUtime=0.29
/proc/14897/stat : 14897 (minisat_static) R 14895 14897 14860 0 -1 4194304 761 0 0 0 29 0 0 0 22 0 1 0 242249952 4026368 746 1992294400 134512640 135213614 4294956256 18446744073709551615 134539778 0 0 4096 3 0 0 0 17 1 0 0
/proc/14897/statm: 983 746 78 171 0 809 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 3932

[startup+0.701893 s]
/proc/loadavg: 0.00 0.26 0.99 3/64 14897
/proc/meminfo: memFree=1014392/2055920 swapFree=4181168/4192956
[pid=14897] ppid=14895 vsize=4592 CPUtime=0.69
/proc/14897/stat : 14897 (minisat_static) R 14895 14897 14860 0 -1 4194304 952 0 0 0 69 0 0 0 25 0 1 0 242249952 4702208 937 1992294400 134512640 135213614 4294956256 18446744073709551615 134526976 0 0 4096 3 0 0 0 17 1 0 0
/proc/14897/statm: 1148 937 78 171 0 974 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 4592

[startup+1.50104 s]
/proc/loadavg: 0.08 0.27 0.99 2/65 14898
/proc/meminfo: memFree=1010864/2055920 swapFree=4181168/4192956
[pid=14897] ppid=14895 vsize=4988 CPUtime=1.49
/proc/14897/stat : 14897 (minisat_static) R 14895 14897 14860 0 -1 4194304 1044 0 0 0 149 0 0 0 25 0 1 0 242249952 5107712 1029 1992294400 134512640 135213614 4294956256 18446744073709551615 134526878 0 0 4096 3 0 0 0 17 1 0 0
/proc/14897/statm: 1247 1029 78 171 0 1073 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 4988

[startup+3.10135 s]
/proc/loadavg: 0.08 0.27 0.99 2/65 14898
/proc/meminfo: memFree=1009904/2055920 swapFree=4181168/4192956
[pid=14897] ppid=14895 vsize=5780 CPUtime=3.09
/proc/14897/stat : 14897 (minisat_static) R 14895 14897 14860 0 -1 4194304 1242 0 0 0 309 0 0 0 25 0 1 0 242249952 5918720 1227 1992294400 134512640 135213614 4294956256 18446744073709551615 134526802 0 0 4096 3 0 0 0 17 1 0 0
/proc/14897/statm: 1445 1227 78 171 0 1271 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 5780

[startup+6.30195 s]
/proc/loadavg: 0.15 0.28 0.99 2/65 14898
/proc/meminfo: memFree=1009136/2055920 swapFree=4181168/4192956
[pid=14897] ppid=14895 vsize=6308 CPUtime=6.28
/proc/14897/stat : 14897 (minisat_static) R 14895 14897 14860 0 -1 4194304 1349 0 0 0 628 0 0 0 25 0 1 0 242249952 6459392 1334 1992294400 134512640 135213614 4294956256 18446744073709551615 134537148 0 0 4096 3 0 0 0 17 1 0 0
/proc/14897/statm: 1577 1334 78 171 0 1403 0
Current children cumulated CPU time (s) 6.28
Current children cumulated vsize (KiB) 6308

[startup+12.7012 s]
/proc/loadavg: 0.22 0.29 0.99 2/65 14898
/proc/meminfo: memFree=1008560/2055920 swapFree=4181168/4192956
[pid=14897] ppid=14895 vsize=6836 CPUtime=12.68
/proc/14897/stat : 14897 (minisat_static) R 14895 14897 14860 0 -1 4194304 1487 0 0 0 1268 0 0 0 25 0 1 0 242249952 7000064 1472 1992294400 134512640 135213614 4294956256 18446744073709551615 134526761 0 0 4096 3 0 0 0 17 1 0 0
/proc/14897/statm: 1709 1472 78 171 0 1535 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 6836

[startup+25.5016 s]
/proc/loadavg: 0.34 0.31 0.99 2/65 14898
/proc/meminfo: memFree=1007664/2055920 swapFree=4181168/4192956
[pid=14897] ppid=14895 vsize=7500 CPUtime=25.48
/proc/14897/stat : 14897 (minisat_static) R 14895 14897 14860 0 -1 4194304 1684 0 0 0 2547 1 0 0 25 0 1 0 242249952 7680000 1669 1992294400 134512640 135213614 4294956256 18446744073709551615 134526775 0 0 4096 3 0 0 0 17 1 0 0
/proc/14897/statm: 1875 1669 78 171 0 1701 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 7500

[startup+51.1014 s]
/proc/loadavg: 0.60 0.38 0.99 2/65 14898
/proc/meminfo: memFree=1006576/2055920 swapFree=4181168/4192956
[pid=14897] ppid=14895 vsize=8736 CPUtime=51.07
/proc/14897/stat : 14897 (minisat_static) R 14895 14897 14860 0 -1 4194304 1951 0 0 0 5106 1 0 0 25 0 1 0 242249952 8945664 1936 1992294400 134512640 135213614 4294956256 18446744073709551615 134530658 0 0 4096 3 0 0 0 17 1 0 0
/proc/14897/statm: 2184 1936 78 171 0 2010 0
Current children cumulated CPU time (s) 51.07
Current children cumulated vsize (KiB) 8736

[startup+102.305 s]
/proc/loadavg: 0.82 0.47 0.99 2/65 14898
/proc/meminfo: memFree=1005296/2055920 swapFree=4181168/4192956
[pid=14897] ppid=14895 vsize=9964 CPUtime=102.26
/proc/14897/stat : 14897 (minisat_static) R 14895 14897 14860 0 -1 4194304 2280 0 0 0 10224 2 0 0 25 0 1 0 242249952 10203136 2265 1992294400 134512640 135213614 4294956256 18446744073709551615 134526976 0 0 4096 3 0 0 0 17 1 0 0
/proc/14897/statm: 2491 2265 78 171 0 2317 0
Current children cumulated CPU time (s) 102.26
Current children cumulated vsize (KiB) 9964

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

[startup+103.901 s]
/proc/loadavg: 0.82 0.47 0.99 2/65 14898
/proc/meminfo: memFree=1005296/2055920 swapFree=4181168/4192956
[pid=14897] ppid=14895 vsize=9964 CPUtime=103.85
/proc/14897/stat : 14897 (minisat_static) R 14895 14897 14860 0 -1 4194304 2280 0 0 0 10383 2 0 0 25 0 1 0 242249952 10203136 2265 1992294400 134512640 135213614 4294956256 18446744073709551615 134526736 0 0 4096 3 0 0 0 17 1 0 0
/proc/14897/statm: 2491 2265 78 171 0 2317 0
Current children cumulated CPU time (s) 103.85
Current children cumulated vsize (KiB) 9964

[startup+105.502 s]
/proc/loadavg: 0.84 0.48 0.99 2/65 14898
/proc/meminfo: memFree=1005296/2055920 swapFree=4181168/4192956
[pid=14897] ppid=14895 vsize=9964 CPUtime=105.46
/proc/14897/stat : 14897 (minisat_static) R 14895 14897 14860 0 -1 4194304 2284 0 0 0 10544 2 0 0 25 0 1 0 242249952 10203136 2269 1992294400 134512640 135213614 4294956256 18446744073709551615 134526755 0 0 4096 3 0 0 0 17 1 0 0
/proc/14897/statm: 2491 2269 78 171 0 2317 0
Current children cumulated CPU time (s) 105.46
Current children cumulated vsize (KiB) 9964

[startup+105.902 s]
/proc/loadavg: 0.84 0.48 0.99 2/65 14898
/proc/meminfo: memFree=1005296/2055920 swapFree=4181168/4192956
[pid=14897] ppid=14895 vsize=9964 CPUtime=105.85
/proc/14897/stat : 14897 (minisat_static) R 14895 14897 14860 0 -1 4194304 2286 0 0 0 10583 2 0 0 25 0 1 0 242249952 10203136 2271 1992294400 134512640 135213614 4294956256 18446744073709551615 134526925 0 0 4096 3 0 0 0 17 1 0 0
/proc/14897/statm: 2491 2271 78 171 0 2317 0
Current children cumulated CPU time (s) 105.85
Current children cumulated vsize (KiB) 9964

[startup+106.302 s]
/proc/loadavg: 0.84 0.48 0.99 2/65 14898
/proc/meminfo: memFree=1005296/2055920 swapFree=4181168/4192956
[pid=14897] ppid=14895 vsize=9964 CPUtime=106.25
/proc/14897/stat : 14897 (minisat_static) R 14895 14897 14860 0 -1 4194304 2286 0 0 0 10623 2 0 0 25 0 1 0 242249952 10203136 2271 1992294400 134512640 135213614 4294956256 18446744073709551615 134526976 0 0 4096 3 0 0 0 17 1 0 0
/proc/14897/statm: 2491 2271 78 171 0 2317 0
Current children cumulated CPU time (s) 106.25
Current children cumulated vsize (KiB) 9964

[startup+106.402 s]
/proc/loadavg: 0.84 0.48 0.99 2/65 14898
/proc/meminfo: memFree=1005296/2055920 swapFree=4181168/4192956
[pid=14897] ppid=14895 vsize=9964 CPUtime=106.35
/proc/14897/stat : 14897 (minisat_static) R 14895 14897 14860 0 -1 4194304 2286 0 0 0 10633 2 0 0 25 0 1 0 242249952 10203136 2271 1992294400 134512640 135213614 4294956256 18446744073709551615 134526925 0 0 4096 3 0 0 0 17 1 0 0
/proc/14897/statm: 2491 2271 78 171 0 2317 0
Current children cumulated CPU time (s) 106.35
Current children cumulated vsize (KiB) 9964

Child status: 10
Real time (s): 106.424
CPU time (s): 106.381
CPU user time (s): 106.358
CPU system time (s): 0.022996
CPU usage (%): 99.9598
Max. virtual memory (cumulated for all children) (KiB): 9964

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 106.358
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= 2305
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= 199

runsolver used 0.097985 second user time and 0.208968 second system time

The end

Launcher Data

Begin job on node37 at 2009-05-12 17:30:14
IDJOB=1805765
IDBENCH=24594
IDSOLVER=651
FILE ID=node37/1805765-1242142214
PBS_JOBID= 9289684
Free space on /tmp= 66220 MiB

SOLVER NAME= minisat2-core 070721
BENCH NAME= SAT07/crafted/Medium/contest05/others/QG7a-gensys-brn004.sat05-3669.reshuffled-07.cnf
COMMAND LINE= minisat_static BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1805765-1242142214/watcher-1805765-1242142214 -o /tmp/evaluation-result-1805765-1242142214/solver-1805765-1242142214 -C 1200 -W 1800 -M 1800  minisat_static HOME/instance-1805765-1242142214.cnf

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

MD5SUM BENCH= 51245c7b8edb32c4dbd94daf982c00d7
RANDOM SEED=1615565224

node37.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		: 3000.259
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		: 3000.259
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:       1014872 kB
Buffers:         82644 kB
Cached:         860892 kB
SwapCached:       5608 kB
Active:          66536 kB
Inactive:       885344 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1014872 kB
SwapTotal:     4192956 kB
SwapFree:      4181168 kB
Dirty:            1580 kB
Writeback:           0 kB
Mapped:          13988 kB
Slab:            75296 kB
Committed_AS:   965216 kB
PageTables:       1372 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= 66220 MiB
End job on node37 at 2009-05-12 17:32:00