Trace number 1806312

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-simp 070721UNSAT 69.5094 69.5293

General information on the benchmark

Namecrafted/Difficult/contest05/QG/
QG6-gensys-brn007.sat05-2684.reshuffled-07.cnf
MD5SUM749c079607e9e37c206eeb8bd5b8bfaf
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark69.5094
Satisfiable
(Un)Satisfiability was proved
Number of variables1477
Number of clauses7809
Sum of the clauses size65959
Maximum clause length16
Minimum clause length1
Number of clauses of size 133
Number of clauses of size 2289
Number of clauses of size 31172
Number of clauses of size 4124
Number of clauses of size 5894
Number of clauses of size over 55297

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:  1477                                                 |
0.00/0.00	|  Number of clauses:    7809                                                 |
0.00/0.02	|  Parsing time:         0.02         s                                       |
0.03/0.05	============================[ Search Statistics ]==============================
0.03/0.05	| Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.03/0.05	|           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
0.03/0.05	===============================================================================
0.03/0.05	|         0 |    1234     4590    36164 |     1530        0    nan |  0.000 % |
0.03/0.06	|       100 |    1234     4590    36164 |     1683      100     10 |  2.844 % |
0.03/0.06	|       250 |    1234     4590    36164 |     1851      250     11 |  2.844 % |
0.03/0.06	|       475 |    1234     4590    36164 |     2036      475     15 |  2.844 % |
0.03/0.07	|       812 |    1234     4590    36164 |     2240      812     18 |  2.844 % |
0.03/0.09	|      1318 |    1234     4590    36164 |     2464     1318     19 |  2.844 % |
0.09/0.12	|      2079 |    1234     4590    36164 |     2710     2079     20 |  2.844 % |
0.09/0.16	|      3219 |    1234     4590    36164 |     2981     1791     18 |  2.844 % |
0.19/0.23	|      4927 |    1234     4590    36164 |     3279     1954     21 |  2.844 % |
0.29/0.37	|      7489 |    1234     4590    36164 |     3607     2805     26 |  2.844 % |
0.49/0.55	|     11333 |    1234     4590    36164 |     3968     2939     20 |  2.844 % |
0.79/0.80	|     17099 |    1234     4590    36164 |     4365     2584     16 |  2.844 % |
1.19/1.25	|     25749 |    1234     4590    36164 |     4801     2324     14 |  2.844 % |
1.99/2.00	|     38725 |    1234     4590    36164 |     5281     3020     22 |  2.844 % |
3.20/3.25	|     58187 |    1234     4590    36164 |     5810     3588     23 |  2.844 % |
5.09/5.10	|     87379 |    1234     4590    36164 |     6391     3152     21 |  2.844 % |
7.69/7.79	|    131168 |    1234     4590    36164 |     7030     4814     17 |  2.844 % |
12.79/12.89	|    196852 |    1234     4590    36164 |     7733     6259     22 |  2.844 % |
19.79/19.85	|    295378 |    1233     4185    32817 |     8506     7441     20 |  2.912 % |
31.18/31.23	|    443167 |    1232     3780    29076 |     9357     7397     19 |  2.980 % |
50.17/50.26	|    664850 |    1230     3754    28976 |    10293     6320     15 |  3.115 % |
69.47/69.52	===============================================================================
69.47/69.52	restarts              : 21
69.47/69.52	conflicts             : 882469         (12697 /sec)
69.47/69.52	decisions             : 1791000        (1.93 % random) (25770 /sec)
69.47/69.52	propagations          : 30559905       (439708 /sec)
69.47/69.52	conflict literals     : 19167780       (25.13 % deleted)
69.47/69.52	Memory used           : 4.70 MB
69.47/69.52	CPU time              : 69.5004 s
69.47/69.52	
69.47/69.52	s UNSATISFIABLE

Verifier Data 

No possible verification on an UNSAT instance

Watcher Data 

runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1806312-1242148313/watcher-1806312-1242148313 -o /tmp/evaluation-result-1806312-1242148313/solver-1806312-1242148313 -C 1200 -W 1800 -M 1800 minisat_static HOME/instance-1806312-1242148313.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: 1.00 1.01 0.98 3/64 9567
/proc/meminfo: memFree=1149160/2055920 swapFree=4178888/4192956
[pid=9567] ppid=9565 vsize=2188 CPUtime=0
/proc/9567/stat : 9567 (minisat_static) R 9565 9567 9307 0 -1 4194304 244 0 0 0 0 0 0 0 18 0 1 0 242857266 2240512 229 1992294400 134512640 135243866 4294956256 18446744073709551615 134748230 0 0 4096 3 0 0 0 17 1 0 0
/proc/9567/statm: 547 230 65 178 0 367 0

[startup+0.0374321 s]
/proc/loadavg: 1.00 1.01 0.98 3/64 9567
/proc/meminfo: memFree=1149160/2055920 swapFree=4178888/4192956
[pid=9567] ppid=9565 vsize=2868 CPUtime=0.03
/proc/9567/stat : 9567 (minisat_static) R 9565 9567 9307 0 -1 4194304 450 0 0 0 3 0 0 0 18 0 1 0 242857266 2936832 435 1992294400 134512640 135243866 4294956256 18446744073709551615 134538325 0 0 4096 3 0 0 0 17 1 0 0
/proc/9567/statm: 717 435 81 178 0 537 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 2868

[startup+0.10144 s]
/proc/loadavg: 1.00 1.01 0.98 3/64 9567
/proc/meminfo: memFree=1149160/2055920 swapFree=4178888/4192956
[pid=9567] ppid=9565 vsize=3064 CPUtime=0.09
/proc/9567/stat : 9567 (minisat_static) R 9565 9567 9307 0 -1 4194304 488 0 0 0 9 0 0 0 18 0 1 0 242857266 3137536 473 1992294400 134512640 135243866 4294956256 18446744073709551615 134556115 0 0 4096 3 0 0 0 17 1 0 0
/proc/9567/statm: 766 473 86 178 0 586 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 3064

[startup+0.301466 s]
/proc/loadavg: 1.00 1.01 0.98 3/64 9567
/proc/meminfo: memFree=1149160/2055920 swapFree=4178888/4192956
[pid=9567] ppid=9565 vsize=3064 CPUtime=0.29
/proc/9567/stat : 9567 (minisat_static) R 9565 9567 9307 0 -1 4194304 488 0 0 0 29 0 0 0 19 0 1 0 242857266 3137536 473 1992294400 134512640 135243866 4294956256 18446744073709551615 134559707 0 0 4096 3 0 0 0 17 1 0 0
/proc/9567/statm: 766 473 86 178 0 586 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 3064

[startup+0.70152 s]
/proc/loadavg: 1.00 1.01 0.98 3/64 9567
/proc/meminfo: memFree=1149160/2055920 swapFree=4178888/4192956
[pid=9567] ppid=9565 vsize=3064 CPUtime=0.69
/proc/9567/stat : 9567 (minisat_static) R 9565 9567 9307 0 -1 4194304 488 0 0 0 69 0 0 0 23 0 1 0 242857266 3137536 473 1992294400 134512640 135243866 4294956256 18446744073709551615 134555746 0 0 4096 3 0 0 0 17 1 0 0
/proc/9567/statm: 766 473 86 178 0 586 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 3064

[startup+1.50263 s]
/proc/loadavg: 1.00 1.01 0.98 2/65 9568
/proc/meminfo: memFree=1147552/2055920 swapFree=4178888/4192956
[pid=9567] ppid=9565 vsize=3196 CPUtime=1.49
/proc/9567/stat : 9567 (minisat_static) R 9565 9567 9307 0 -1 4194304 509 0 0 0 149 0 0 0 25 0 1 0 242857266 3272704 494 1992294400 134512640 135243866 4294956256 18446744073709551615 134555740 0 0 4096 3 0 0 0 17 1 0 0
/proc/9567/statm: 799 494 86 178 0 619 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 3196

[startup+3.10184 s]
/proc/loadavg: 1.00 1.01 0.98 2/65 9568
/proc/meminfo: memFree=1147232/2055920 swapFree=4178888/4192956
[pid=9567] ppid=9565 vsize=3328 CPUtime=3.09
/proc/9567/stat : 9567 (minisat_static) R 9565 9567 9307 0 -1 4194304 568 0 0 0 309 0 0 0 25 0 1 0 242857266 3407872 553 1992294400 134512640 135243866 4294956256 18446744073709551615 134555920 0 0 4096 3 0 0 0 17 1 0 0
/proc/9567/statm: 832 553 86 178 0 652 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 3328

[startup+6.30127 s]
/proc/loadavg: 1.00 1.01 0.98 2/65 9568
/proc/meminfo: memFree=1146920/2055920 swapFree=4178888/4192956
[pid=9567] ppid=9565 vsize=3460 CPUtime=6.29
/proc/9567/stat : 9567 (minisat_static) R 9565 9567 9307 0 -1 4194304 603 0 0 0 629 0 0 0 25 0 1 0 242857266 3543040 588 1992294400 134512640 135243866 4294956256 18446744073709551615 134555740 0 0 4096 3 0 0 0 17 1 0 0
/proc/9567/statm: 865 588 86 178 0 685 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 3460

[startup+12.7011 s]
/proc/loadavg: 1.00 1.01 0.98 2/65 9568
/proc/meminfo: memFree=1146344/2055920 swapFree=4178888/4192956
[pid=9567] ppid=9565 vsize=3988 CPUtime=12.69
/proc/9567/stat : 9567 (minisat_static) R 9565 9567 9307 0 -1 4194304 726 0 0 0 1269 0 0 0 25 0 1 0 242857266 4083712 711 1992294400 134512640 135243866 4294956256 18446744073709551615 134555901 0 0 4096 3 0 0 0 17 1 0 0
/proc/9567/statm: 997 711 86 178 0 817 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 3988

[startup+25.5019 s]
/proc/loadavg: 1.00 1.01 0.98 2/65 9568
/proc/meminfo: memFree=1146152/2055920 swapFree=4178888/4192956
[pid=9567] ppid=9565 vsize=4280 CPUtime=25.49
/proc/9567/stat : 9567 (minisat_static) R 9565 9567 9307 0 -1 4194304 787 0 0 0 2549 0 0 0 25 0 1 0 242857266 4382720 772 1992294400 134512640 135243866 4294956256 18446744073709551615 134555847 0 0 4096 3 0 0 0 17 1 0 0
/proc/9567/statm: 1070 772 86 178 0 890 0
Current children cumulated CPU time (s) 25.49
Current children cumulated vsize (KiB) 4280

[startup+51.1013 s]
/proc/loadavg: 1.00 1.01 0.98 2/65 9568
/proc/meminfo: memFree=1145704/2055920 swapFree=4178888/4192956
[pid=9567] ppid=9565 vsize=4680 CPUtime=51.07
/proc/9567/stat : 9567 (minisat_static) R 9565 9567 9307 0 -1 4194304 880 0 0 0 5107 0 0 0 25 0 1 0 242857266 4792320 865 1992294400 134512640 135243866 4294956256 18446744073709551615 134555719 0 0 4096 3 0 0 0 17 1 0 0
/proc/9567/statm: 1170 865 86 178 0 990 0
Current children cumulated CPU time (s) 51.07
Current children cumulated vsize (KiB) 4680

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

[startup+57.5012 s]
/proc/loadavg: 1.00 1.01 0.98 2/65 9568
/proc/meminfo: memFree=1145640/2055920 swapFree=4178888/4192956
[pid=9567] ppid=9565 vsize=4680 CPUtime=57.47
/proc/9567/stat : 9567 (minisat_static) R 9565 9567 9307 0 -1 4194304 893 0 0 0 5747 0 0 0 25 0 1 0 242857266 4792320 878 1992294400 134512640 135243866 4294956256 18446744073709551615 134565689 0 0 4096 3 0 0 0 17 1 0 0
/proc/9567/statm: 1170 878 86 178 0 990 0
Current children cumulated CPU time (s) 57.47
Current children cumulated vsize (KiB) 4680

[startup+63.902 s]
/proc/loadavg: 1.00 1.01 0.98 2/65 9568
/proc/meminfo: memFree=1145512/2055920 swapFree=4178888/4192956
[pid=9567] ppid=9565 vsize=4812 CPUtime=63.87
/proc/9567/stat : 9567 (minisat_static) R 9565 9567 9307 0 -1 4194304 922 0 0 0 6387 0 0 0 25 0 1 0 242857266 4927488 907 1992294400 134512640 135243866 4294956256 18446744073709551615 134559505 0 0 4096 3 0 0 0 17 1 0 0
/proc/9567/statm: 1203 907 86 178 0 1023 0
Current children cumulated CPU time (s) 63.87
Current children cumulated vsize (KiB) 4812

[startup+67.1055 s]
/proc/loadavg: 1.00 1.01 0.98 2/65 9568
/proc/meminfo: memFree=1145512/2055920 swapFree=4178888/4192956
[pid=9567] ppid=9565 vsize=4812 CPUtime=67.07
/proc/9567/stat : 9567 (minisat_static) R 9565 9567 9307 0 -1 4194304 924 0 0 0 6707 0 0 0 25 0 1 0 242857266 4927488 909 1992294400 134512640 135243866 4294956256 18446744073709551615 134555920 0 0 4096 3 0 0 0 17 1 0 0
/proc/9567/statm: 1203 909 86 178 0 1023 0
Current children cumulated CPU time (s) 67.07
Current children cumulated vsize (KiB) 4812

[startup+68.7017 s]
/proc/loadavg: 1.00 1.01 0.98 2/65 9568
/proc/meminfo: memFree=1145512/2055920 swapFree=4178888/4192956
[pid=9567] ppid=9565 vsize=4812 CPUtime=68.67
/proc/9567/stat : 9567 (minisat_static) R 9565 9567 9307 0 -1 4194304 924 0 0 0 6867 0 0 0 25 0 1 0 242857266 4927488 909 1992294400 134512640 135243866 4294956256 18446744073709551615 134555883 0 0 4096 3 0 0 0 17 1 0 0
/proc/9567/statm: 1203 909 86 178 0 1023 0
Current children cumulated CPU time (s) 68.67
Current children cumulated vsize (KiB) 4812

[startup+69.1017 s]
/proc/loadavg: 1.00 1.01 0.98 2/65 9568
/proc/meminfo: memFree=1145512/2055920 swapFree=4178888/4192956
[pid=9567] ppid=9565 vsize=4812 CPUtime=69.07
/proc/9567/stat : 9567 (minisat_static) R 9565 9567 9307 0 -1 4194304 924 0 0 0 6907 0 0 0 25 0 1 0 242857266 4927488 909 1992294400 134512640 135243866 4294956256 18446744073709551615 134555754 0 0 4096 3 0 0 0 17 1 0 0
/proc/9567/statm: 1203 909 86 178 0 1023 0
Current children cumulated CPU time (s) 69.07
Current children cumulated vsize (KiB) 4812

[startup+69.5028 s]
/proc/loadavg: 1.00 1.01 0.98 2/65 9568
/proc/meminfo: memFree=1145512/2055920 swapFree=4178888/4192956
[pid=9567] ppid=9565 vsize=4812 CPUtime=69.47
/proc/9567/stat : 9567 (minisat_static) R 9565 9567 9307 0 -1 4194304 924 0 0 0 6947 0 0 0 25 0 1 0 242857266 4927488 909 1992294400 134512640 135243866 4294956256 18446744073709551615 134555920 0 0 4096 3 0 0 0 17 1 0 0
/proc/9567/statm: 1203 909 86 178 0 1023 0
Current children cumulated CPU time (s) 69.47
Current children cumulated vsize (KiB) 4812

Child status: 20
Real time (s): 69.5293
CPU time (s): 69.5094
CPU user time (s): 69.5004
CPU system time (s): 0.008998
CPU usage (%): 99.9715
Max. virtual memory (cumulated for all children) (KiB): 4812

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 69.5004
system time used= 0.008998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 934
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= 148

runsolver used 0.053991 second user time and 0.155976 second system time

The end

Launcher Data 

Begin job on node71 at 2009-05-12 19:11:53
IDJOB=1806312
IDBENCH=24715
IDSOLVER=568
FILE ID=node71/1806312-1242148313
PBS_JOBID= 9289654
Free space on /tmp= 66472 MiB

SOLVER NAME= minisat2-simp 070721
BENCH NAME= SAT07/crafted/Difficult/contest05/QG/QG6-gensys-brn007.sat05-2684.reshuffled-07.cnf
COMMAND LINE= minisat_static BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1806312-1242148313/watcher-1806312-1242148313 -o /tmp/evaluation-result-1806312-1242148313/solver-1806312-1242148313 -C 1200 -W 1800 -M 1800  minisat_static HOME/instance-1806312-1242148313.cnf

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

MD5SUM BENCH= 749c079607e9e37c206eeb8bd5b8bfaf
RANDOM SEED=833009858

node71.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		: 3000.236
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		: 3000.236
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:       1149640 kB
Buffers:         65072 kB
Cached:         749492 kB
SwapCached:       8372 kB
Active:          45280 kB
Inactive:       779136 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1149640 kB
SwapTotal:     4192956 kB
SwapFree:      4178888 kB
Dirty:            1152 kB
Writeback:           0 kB
Mapped:          14080 kB
Slab:            67884 kB
Committed_AS:   735520 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= 66472 MiB
End job on node71 at 2009-05-12 19:13:03