Trace number 333028

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
minimarch 2007-02-08SAT 3.85541 3.85854

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 benchmark2.92055
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 (download as text)

0.00/0.00	This is MiniMarch, a modified version of 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                                                |
0.06/0.07	|  Parsing time:         0.07         s                                       |
0.19/0.28	============================[ Search Statistics ]==============================
0.19/0.28	| Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.19/0.28	|           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
0.19/0.28	===============================================================================
0.19/0.28	|         0 |    1863    10247    65400 |     3415        0    nan |  0.000 % |
0.19/0.29	|       100 |    1863    10247    65400 |     3757      100     11 |  2.341 % |
0.19/0.29	|       250 |    1863    10247    65400 |     4132      250     11 |  2.341 % |
0.29/0.30	|       475 |    1863    10247    65400 |     4546      475     11 |  2.341 % |
0.29/0.31	|       812 |    1863    10247    65400 |     5000      812     12 |  2.341 % |
0.29/0.33	|      1318 |    1863    10247    65400 |     5500     1318     12 |  2.341 % |
0.29/0.36	|      2077 |    1863    10247    65400 |     6051     2077     12 |  2.341 % |
0.39/0.41	|      3216 |    1863    10247    65400 |     6656     3216     13 |  2.341 % |
0.39/0.50	|      4924 |    1863    10247    65400 |     7321     4924     13 |  2.341 % |
0.59/0.65	|      7486 |    1863    10247    65400 |     8053     7486     14 |  2.341 % |
0.89/0.91	|     11330 |    1863    10247    65400 |     8859     7197     15 |  2.341 % |
1.39/1.42	|     17096 |    1863    10247    65400 |     9745     8412     17 |  2.341 % |
2.29/2.38	|     25746 |    1863    10247    65400 |    10719     7121     21 |  2.341 % |
3.79/3.85	===============================================================================
3.79/3.85	lookaheads            : 82198
3.79/3.85	variable balance      : 0.00
3.79/3.85	restarts              : 13
3.79/3.85	conflicts             : 36859          (9583 /sec)
3.79/3.85	decisions             : 82199          (1.89 % random) (21370 /sec)
3.79/3.85	decision = positive   : 42209
3.79/3.85	decision = negative   : 39989
3.79/3.85	propagations          : 2717074        (706391 /sec)
3.79/3.85	conflict literals     : 755906         (28.93 % deleted)
3.79/3.85	Memory used           : 4.31 MB
3.79/3.85	CPU time              : 3.84641 s
3.79/3.85	
3.79/3.85	s SATISFIABLE
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2416 2417 2418 2419 -2420 2421 2422 -2423 -2424 -2425 2426 -2427 2428 -2429 -2430 2431 -2432 -2433 2434 -2435 0

Verifier Data (download as text)

OK

Watcher Data (download as text)

runsolver version 3.2.1 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node15/watcher-333028-1173500174 -o ROOT/results/node15/solver-333028-1173500174 -C 1200 -W 2400 -M 1800 --output-limit 1,15 /tmp/evaluation/333028-1173500174/minimarch /tmp/evaluation/333028-1173500174/instance-333028-1173500174.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): 2400 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: 0.91 0.95 0.98 3/77 17201
/proc/meminfo: memFree=1562688/2055920 swapFree=4152672/4192956
[pid=17201] ppid=17199 vsize=2144 CPUtime=0
/proc/17201/stat : 17201 (minimarch) R 17199 17201 15467 0 -1 4194304 332 0 0 0 0 0 0 0 18 0 1 0 369971787 2195456 316 18446744073709551615 134512640 135054332 4294956704 18446744073709551615 134562617 0 0 4096 3 0 0 0 17 1 0 0
/proc/17201/statm: 536 316 51 132 0 401 0

[startup+0.0656249 s]
/proc/loadavg: 0.91 0.95 0.98 3/77 17201
/proc/meminfo: memFree=1562688/2055920 swapFree=4152672/4192956
[pid=17201] ppid=17199 vsize=3508 CPUtime=0.06
/proc/17201/stat : 17201 (minimarch) R 17199 17201 15467 0 -1 4194304 689 0 0 0 6 0 0 0 18 0 1 0 369971787 3592192 673 18446744073709551615 134512640 135054332 4294956704 18446744073709551615 134523053 0 0 4096 3 0 0 0 17 1 0 0
/proc/17201/statm: 877 673 51 132 0 742 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 3508

[startup+0.101632 s]
/proc/loadavg: 0.91 0.95 0.98 3/77 17201
/proc/meminfo: memFree=1562688/2055920 swapFree=4152672/4192956
[pid=17201] ppid=17199 vsize=3740 CPUtime=0.09
/proc/17201/stat : 17201 (minimarch) R 17199 17201 15467 0 -1 4194304 726 0 0 0 9 0 0 0 18 0 1 0 369971787 3829760 710 18446744073709551615 134512640 135054332 4294956704 18446744073709551615 134528309 0 0 4096 3 0 0 0 17 1 0 0
/proc/17201/statm: 935 710 63 132 0 800 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 3740

[startup+0.301665 s]
/proc/loadavg: 0.91 0.95 0.98 3/77 17201
/proc/meminfo: memFree=1562688/2055920 swapFree=4152672/4192956
[pid=17201] ppid=17199 vsize=3740 CPUtime=0.29
/proc/17201/stat : 17201 (minimarch) R 17199 17201 15467 0 -1 4194304 806 0 0 0 29 0 0 0 19 0 1 0 369971787 3829760 748 18446744073709551615 134512640 135054332 4294956704 18446744073709551615 134556571 0 0 4096 3 0 0 0 17 1 0 0
/proc/17201/statm: 935 748 67 132 0 800 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 3740

[startup+0.701734 s]
/proc/loadavg: 0.91 0.95 0.98 3/77 17201
/proc/meminfo: memFree=1562688/2055920 swapFree=4152672/4192956
[pid=17201] ppid=17199 vsize=3884 CPUtime=0.69
/proc/17201/stat : 17201 (minimarch) R 17199 17201 15467 0 -1 4194304 810 0 0 0 69 0 0 0 22 0 1 0 369971787 3977216 752 18446744073709551615 134512640 135054332 4294956704 18446744073709551615 134551660 0 0 4096 3 0 0 0 17 1 0 0
/proc/17201/statm: 971 752 67 132 0 836 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 3884

[startup+1.50187 s]
/proc/loadavg: 0.91 0.95 0.98 2/78 17202
/proc/meminfo: memFree=1559736/2055920 swapFree=4152672/4192956
[pid=17201] ppid=17199 vsize=3884 CPUtime=1.49
/proc/17201/stat : 17201 (minimarch) R 17199 17201 15467 0 -1 4194304 833 0 0 0 149 0 0 0 25 0 1 0 369971787 3977216 775 18446744073709551615 134512640 135054332 4294956704 18446744073709551615 134688823 0 0 4096 3 0 0 0 17 1 0 0
/proc/17201/statm: 971 775 67 132 0 836 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 3884

[startup+3.10215 s]
/proc/loadavg: 0.91 0.95 0.98 2/78 17202
/proc/meminfo: memFree=1559488/2055920 swapFree=4152672/4192956
[pid=17201] ppid=17199 vsize=4280 CPUtime=3.09
/proc/17201/stat : 17201 (minimarch) R 17199 17201 15467 0 -1 4194304 938 0 0 0 309 0 0 0 25 0 1 0 369971787 4382720 880 18446744073709551615 134512640 135054332 4294956704 18446744073709551615 134551331 0 0 4096 3 0 0 0 17 1 0 0
/proc/17201/statm: 1070 880 67 132 0 935 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 4280

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

[startup+3.50121 s]
/proc/loadavg: 0.91 0.95 0.98 2/78 17202
/proc/meminfo: memFree=1559232/2055920 swapFree=4152672/4192956
[pid=17201] ppid=17199 vsize=4280 CPUtime=3.49
/proc/17201/stat : 17201 (minimarch) R 17199 17201 15467 0 -1 4194304 942 0 0 0 349 0 0 0 25 0 1 0 369971787 4382720 884 18446744073709551615 134512640 135054332 4294956704 18446744073709551615 134551210 0 0 4096 3 0 0 0 17 1 0 0
/proc/17201/statm: 1070 884 67 132 0 935 0
Current children cumulated CPU time (s) 3.49
Current children cumulated vsize (KiB) 4280

[startup+3.70125 s]
/proc/loadavg: 0.91 0.95 0.98 2/78 17202
/proc/meminfo: memFree=1559232/2055920 swapFree=4152672/4192956
[pid=17201] ppid=17199 vsize=4412 CPUtime=3.69
/proc/17201/stat : 17201 (minimarch) R 17199 17201 15467 0 -1 4194304 950 0 0 0 369 0 0 0 25 0 1 0 369971787 4517888 892 18446744073709551615 134512640 135054332 4294956704 18446744073709551615 134552521 0 0 4096 3 0 0 0 17 1 0 0
/proc/17201/statm: 1103 892 67 132 0 968 0
Current children cumulated CPU time (s) 3.69
Current children cumulated vsize (KiB) 4412

[startup+3.80127 s]
/proc/loadavg: 0.91 0.95 0.98 2/78 17202
/proc/meminfo: memFree=1559232/2055920 swapFree=4152672/4192956
[pid=17201] ppid=17199 vsize=4412 CPUtime=3.79
/proc/17201/stat : 17201 (minimarch) R 17199 17201 15467 0 -1 4194304 950 0 0 0 379 0 0 0 25 0 1 0 369971787 4517888 892 18446744073709551615 134512640 135054332 4294956704 18446744073709551615 134551328 0 0 4096 3 0 0 0 17 1 0 0
/proc/17201/statm: 1103 892 67 132 0 968 0
Current children cumulated CPU time (s) 3.79
Current children cumulated vsize (KiB) 4412

Child status: 10
Real time (s): 3.85854
CPU time (s): 3.85541
CPU user time (s): 3.84742
CPU system time (s): 0.007998
CPU usage (%): 99.919
Max. virtual memory (cumulated for all children) (KiB): 4412

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 3.84741
system time used= 0.007998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 959
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= 8
involuntary context switches= 6

runsolver used 0.008998 second user time and 0.012998 second system time

The end

Launcher Data (download as text)

Begin job on node15 on Sat Mar 10 04:16:14 UTC 2007

IDJOB= 333028
IDBENCH= 24594
IDSOLVER= 110
FILE ID= node15/333028-1173500174

PBS_JOBID= 4101110

Free space on /tmp= 66529 MiB

SOLVER NAME= minimarch 2007-02-08
BENCH NAME= HOME/pub/bench/SAT07/crafted/Medium/contest05/others/QG7a-gensys-brn004.sat05-3669.reshuffled-07.cnf
COMMAND LINE= /tmp/evaluation/333028-1173500174/minimarch /tmp/evaluation/333028-1173500174/instance-333028-1173500174.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node15/watcher-333028-1173500174 -o ROOT/results/node15/solver-333028-1173500174 -C 1200 -W 2400 -M 1800 --output-limit 1,15  /tmp/evaluation/333028-1173500174/minimarch /tmp/evaluation/333028-1173500174/instance-333028-1173500174.cnf            

META MD5SUM SOLVER= cd0143c15836d32fe9acb8d523a59b67
MD5SUM BENCH=  51245c7b8edb32c4dbd94daf982c00d7

RANDOM SEED= 335665223

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node15.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		: 3000.276
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		: 3000.276
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:       1563032 kB
Buffers:         49492 kB
Cached:         355032 kB
SwapCached:       2796 kB
Active:         252308 kB
Inactive:       175356 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1563032 kB
SwapTotal:     4192956 kB
SwapFree:      4152672 kB
Dirty:            3020 kB
Writeback:           0 kB
Mapped:          30076 kB
Slab:            50664 kB
Committed_AS:  1307492 kB
PageTables:       1800 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= 66529 MiB

End job on node15 on Sat Mar 10 04:16:18 UTC 2007