Trace number 1806948

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 070721UNSAT 52.1471 52.1605

General information on the benchmark

NameCRAFTED/ramseycube/
Q32inK09.cnf
MD5SUM58cbf73dc7f1fd4bb325152069db03fb
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark45.6941
Satisfiable
(Un)Satisfiability was proved
Number of variables36
Number of clauses7938
Sum of the clauses size92232
Maximum clause length12
Minimum clause length4
Number of clauses of size 10
Number of clauses of size 20
Number of clauses of size 30
Number of clauses of size 4378
Number of clauses of size 50
Number of clauses of size over 57560

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:  36                                                   |
0.00/0.00	|  Number of clauses:    7938                                                 |
0.00/0.01	|  Parsing time:         0.01         s                                       |
0.00/0.01	============================[ Search Statistics ]==============================
0.00/0.01	| Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.00/0.01	|           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
0.00/0.01	===============================================================================
0.00/0.01	|         0 |      36     7938    92232 |     2646        0    nan |  0.000 % |
0.00/0.01	|       100 |      36     7938    92232 |     2910      100     21 |  0.079 % |
0.00/0.02	|       251 |      36     7938    92232 |     3201      251     19 |  0.079 % |
0.00/0.04	|       478 |      36     7938    92232 |     3521      478     18 |  0.079 % |
0.00/0.06	|       817 |      36     7938    92232 |     3874      817     18 |  0.079 % |
0.09/0.10	|      1323 |      36     7938    92232 |     4261     1323     17 |  0.079 % |
0.09/0.17	|      2083 |      36     7938    92232 |     4687     2083     17 |  0.079 % |
0.19/0.27	|      3224 |      36     7938    92232 |     5156     3224     17 |  0.079 % |
0.39/0.47	|      4933 |      36     7938    92232 |     5671     4933     17 |  0.079 % |
0.69/0.75	|      7495 |      36     7938    92232 |     6239     4649     16 |  0.079 % |
1.10/1.17	|     11339 |      36     7938    92232 |     6863     5363     16 |  0.079 % |
1.79/1.83	|     17106 |      36     7938    92232 |     7549     4243     16 |  0.079 % |
2.69/2.73	|     25755 |      36     7938    92232 |     8304     5326     15 |  0.079 % |
4.19/4.21	|     38730 |      36     7938    92232 |     9134     5825     15 |  0.079 % |
6.39/6.43	|     58191 |      36     7938    92232 |    10048     6982     15 |  0.079 % |
9.69/9.78	|     87383 |      36     7938    92232 |    11052     5973     15 |  0.079 % |
14.89/14.93	|    131173 |      36     7938    92232 |    12158    11016     15 |  0.079 % |
23.09/23.16	|    196860 |      36     7938    92232 |    13374     9723     14 |  0.082 % |
35.68/35.72	|    295386 |      36     7938    92232 |    14711     7803     13 |  0.234 % |
52.08/52.15	===============================================================================
52.08/52.15	restarts              : 19
52.08/52.15	conflicts             : 430199         (8251 /sec)
52.08/52.15	decisions             : 452083         (1.66 % random) (8671 /sec)
52.08/52.15	propagations          : 3025274        (58024 /sec)
52.08/52.15	conflict literals     : 6106212        (23.84 % deleted)
52.08/52.15	Memory used           : 5.31 MB
52.08/52.15	CPU time              : 52.1381 s
52.08/52.15	
52.08/52.15	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-1806948-1242153753/watcher-1806948-1242153753 -o /tmp/evaluation-result-1806948-1242153753/solver-1806948-1242153753 -C 1200 -W 1800 -M 1800 minisat_static HOME/instance-1806948-1242153753.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: 0.96 0.99 0.99 2/64 14689
/proc/meminfo: memFree=1670560/2055920 swapFree=4179768/4192956
[pid=14689] ppid=14687 vsize=2028 CPUtime=0
/proc/14689/stat : 14689 (minisat_static) R 14687 14689 14246 0 -1 4194304 211 0 0 0 0 0 0 0 18 0 1 0 243403165 2076672 196 1992294400 134512640 135213614 4294956256 18446744073709551615 134719510 0 0 4096 3 0 0 0 17 1 0 0
/proc/14689/statm: 507 197 58 171 0 333 0

[startup+0.084649 s]
/proc/loadavg: 0.96 0.99 0.99 2/64 14689
/proc/meminfo: memFree=1670560/2055920 swapFree=4179768/4192956
[pid=14689] ppid=14687 vsize=2688 CPUtime=0.08
/proc/14689/stat : 14689 (minisat_static) R 14687 14689 14246 0 -1 4194304 393 0 0 0 8 0 0 0 18 0 1 0 243403165 2752512 378 1992294400 134512640 135213614 4294956256 18446744073709551615 134526854 0 0 4096 3 0 0 0 17 1 0 0
/proc/14689/statm: 672 378 77 171 0 498 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 2688

[startup+0.10165 s]
/proc/loadavg: 0.96 0.99 0.99 2/64 14689
/proc/meminfo: memFree=1670560/2055920 swapFree=4179768/4192956
[pid=14689] ppid=14687 vsize=2688 CPUtime=0.09
/proc/14689/stat : 14689 (minisat_static) R 14687 14689 14246 0 -1 4194304 398 0 0 0 9 0 0 0 18 0 1 0 243403165 2752512 383 1992294400 134512640 135213614 4294956256 18446744073709551615 134526878 0 0 4096 3 0 0 0 17 1 0 0
/proc/14689/statm: 672 383 77 171 0 498 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 2688

[startup+0.301671 s]
/proc/loadavg: 0.96 0.99 0.99 2/64 14689
/proc/meminfo: memFree=1670560/2055920 swapFree=4179768/4192956
[pid=14689] ppid=14687 vsize=3100 CPUtime=0.29
/proc/14689/stat : 14689 (minisat_static) R 14687 14689 14246 0 -1 4194304 469 0 0 0 29 0 0 0 20 0 1 0 243403165 3174400 454 1992294400 134512640 135213614 4294956256 18446744073709551615 134526976 0 0 4096 3 0 0 0 17 1 0 0
/proc/14689/statm: 775 454 77 171 0 601 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 3100

[startup+0.701711 s]
/proc/loadavg: 0.96 0.99 0.99 2/64 14689
/proc/meminfo: memFree=1670560/2055920 swapFree=4179768/4192956
[pid=14689] ppid=14687 vsize=3232 CPUtime=0.69
/proc/14689/stat : 14689 (minisat_static) R 14687 14689 14246 0 -1 4194304 527 0 0 0 69 0 0 0 23 0 1 0 243403165 3309568 512 1992294400 134512640 135213614 4294956256 18446744073709551615 134526976 0 0 4096 3 0 0 0 17 1 0 0
/proc/14689/statm: 808 512 77 171 0 634 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 3232

[startup+1.50179 s]
/proc/loadavg: 0.96 0.99 0.99 2/65 14690
/proc/meminfo: memFree=1668696/2055920 swapFree=4179768/4192956
[pid=14689] ppid=14687 vsize=3500 CPUtime=1.49
/proc/14689/stat : 14689 (minisat_static) R 14687 14689 14246 0 -1 4194304 587 0 0 0 149 0 0 0 25 0 1 0 243403165 3584000 572 1992294400 134512640 135213614 4294956256 18446744073709551615 134526976 0 0 4096 3 0 0 0 17 1 0 0
/proc/14689/statm: 875 572 77 171 0 701 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 3500

[startup+3.10196 s]
/proc/loadavg: 0.96 0.99 0.99 2/65 14690
/proc/meminfo: memFree=1668312/2055920 swapFree=4179768/4192956
[pid=14689] ppid=14687 vsize=3776 CPUtime=3.09
/proc/14689/stat : 14689 (minisat_static) R 14687 14689 14246 0 -1 4194304 643 0 0 0 309 0 0 0 25 0 1 0 243403165 3866624 628 1992294400 134512640 135213614 4294956256 18446744073709551615 134526985 0 0 4096 3 0 0 0 17 1 0 0
/proc/14689/statm: 944 628 77 171 0 770 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 3776

[startup+6.30128 s]
/proc/loadavg: 0.96 0.99 0.99 2/65 14690
/proc/meminfo: memFree=1667928/2055920 swapFree=4179768/4192956
[pid=14689] ppid=14687 vsize=4068 CPUtime=6.29
/proc/14689/stat : 14689 (minisat_static) R 14687 14689 14246 0 -1 4194304 708 0 0 0 629 0 0 0 25 0 1 0 243403165 4165632 693 1992294400 134512640 135213614 4294956256 18446744073709551615 134527171 0 0 4096 3 0 0 0 17 1 0 0
/proc/14689/statm: 1017 693 77 171 0 843 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 4068

[startup+12.7019 s]
/proc/loadavg: 0.97 0.99 0.99 2/65 14690
/proc/meminfo: memFree=1667480/2055920 swapFree=4179768/4192956
[pid=14689] ppid=14687 vsize=4380 CPUtime=12.69
/proc/14689/stat : 14689 (minisat_static) R 14687 14689 14246 0 -1 4194304 796 0 0 0 1269 0 0 0 25 0 1 0 243403165 4485120 781 1992294400 134512640 135213614 4294956256 18446744073709551615 134526976 0 0 4096 3 0 0 0 17 1 0 0
/proc/14689/statm: 1095 781 77 171 0 921 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 4380

[startup+25.5012 s]
/proc/loadavg: 0.97 0.99 0.99 2/65 14690
/proc/meminfo: memFree=1666904/2055920 swapFree=4179768/4192956
[pid=14689] ppid=14687 vsize=5004 CPUtime=25.48
/proc/14689/stat : 14689 (minisat_static) R 14687 14689 14246 0 -1 4194304 933 0 0 0 2548 0 0 0 25 0 1 0 243403165 5124096 918 1992294400 134512640 135213614 4294956256 18446744073709551615 134526869 0 0 4096 3 0 0 0 17 1 0 0
/proc/14689/statm: 1251 918 77 171 0 1077 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 5004

[startup+51.1018 s]
/proc/loadavg: 0.98 0.99 0.99 2/65 14690
/proc/meminfo: memFree=1666520/2055920 swapFree=4179768/4192956
[pid=14689] ppid=14687 vsize=5432 CPUtime=51.08
/proc/14689/stat : 14689 (minisat_static) R 14687 14689 14246 0 -1 4194304 1024 0 0 0 5108 0 0 0 25 0 1 0 243403165 5562368 1009 1992294400 134512640 135213614 4294956256 18446744073709551615 134526764 0 0 4096 3 0 0 0 17 1 0 0
/proc/14689/statm: 1358 1009 77 171 0 1184 0
Current children cumulated CPU time (s) 51.08
Current children cumulated vsize (KiB) 5432

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

[startup+51.9019 s]
/proc/loadavg: 0.98 0.99 0.99 2/65 14690
/proc/meminfo: memFree=1666520/2055920 swapFree=4179768/4192956
[pid=14689] ppid=14687 vsize=5432 CPUtime=51.88
/proc/14689/stat : 14689 (minisat_static) R 14687 14689 14246 0 -1 4194304 1024 0 0 0 5188 0 0 0 25 0 1 0 243403165 5562368 1009 1992294400 134512640 135213614 4294956256 18446744073709551615 134526976 0 0 4096 3 0 0 0 17 1 0 0
/proc/14689/statm: 1358 1009 77 171 0 1184 0
Current children cumulated CPU time (s) 51.88
Current children cumulated vsize (KiB) 5432

[startup+52.1019 s]
/proc/loadavg: 0.98 0.99 0.99 2/65 14690
/proc/meminfo: memFree=1666520/2055920 swapFree=4179768/4192956
[pid=14689] ppid=14687 vsize=5432 CPUtime=52.08
/proc/14689/stat : 14689 (minisat_static) R 14687 14689 14246 0 -1 4194304 1024 0 0 0 5208 0 0 0 25 0 1 0 243403165 5562368 1009 1992294400 134512640 135213614 4294956256 18446744073709551615 134526802 0 0 4096 3 0 0 0 17 1 0 0
/proc/14689/statm: 1358 1009 77 171 0 1184 0
Current children cumulated CPU time (s) 52.08
Current children cumulated vsize (KiB) 5432

Child status: 20
Real time (s): 52.1605
CPU time (s): 52.1471
CPU user time (s): 52.1381
CPU system time (s): 0.008998
CPU usage (%): 99.9742
Max. virtual memory (cumulated for all children) (KiB): 5432

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 52.1381
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= 1036
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= 147

runsolver used 0.033994 second user time and 0.121981 second system time

The end

Launcher Data 

Begin job on node45 at 2009-05-12 20:42:33
IDJOB=1806948
IDBENCH=71133
IDSOLVER=651
FILE ID=node45/1806948-1242153753
PBS_JOBID= 9289678
Free space on /tmp= 66212 MiB

SOLVER NAME= minisat2-core 070721
BENCH NAME= SAT09/CRAFTED/ramseycube/Q32inK09.cnf
COMMAND LINE= minisat_static BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1806948-1242153753/watcher-1806948-1242153753 -o /tmp/evaluation-result-1806948-1242153753/solver-1806948-1242153753 -C 1200 -W 1800 -M 1800  minisat_static HOME/instance-1806948-1242153753.cnf

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

MD5SUM BENCH= 58cbf73dc7f1fd4bb325152069db03fb
RANDOM SEED=903976049

node45.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		: 3000.231
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		: 3000.231
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:       1670976 kB
Buffers:         46588 kB
Cached:         255932 kB
SwapCached:       6948 kB
Active:          68080 kB
Inactive:       242740 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1670976 kB
SwapTotal:     4192956 kB
SwapFree:      4179768 kB
Dirty:            1048 kB
Writeback:           0 kB
Mapped:          13996 kB
Slab:            60096 kB
Committed_AS:   876108 kB
PageTables:       1376 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= 66208 MiB
End job on node45 at 2009-05-12 20:43:25