Trace number 421377

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
minisat SAT 2007UNSAT 38.1752 38.1879

General information on the benchmark

Namerandom/2+p/p0.9/v630/
unif2p-p0.9-v630-c2280-S1501024241-13-UNSAT.cnf
MD5SUMc3f41406395e9f4a8725889bf7cf43c6
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark3.98639
Satisfiable
(Un)Satisfiability was proved
Number of variables629
Number of clauses2280
Sum of the clauses size6612
Maximum clause length3
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 2228
Number of clauses of size 32052
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data (download as text)

0.00/0.00	c This is MiniSat 2.0 (Feb 1 2007, SAT-Competition version)
0.00/0.00	c ============================[ Problem Statistics ]=============================
0.00/0.00	c |                                                                             |
0.00/0.00	c |  Number of variables:  630                                                  |
0.00/0.00	c |  Number of clauses:    2280                                                 |
0.00/0.00	c |  Parsing time:         0.00         s                                       |
0.00/0.00	c ============================[ Search Statistics ]==============================
0.00/0.00	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.00/0.00	c |           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
0.00/0.00	c ===============================================================================
0.00/0.00	c |         0 |     588     2225     6642 |      741        0    nan |  0.000 % |
0.00/0.01	c |       100 |     588     2225     6642 |      815      100     18 |  0.000 % |
0.00/0.01	c |       250 |     588     2225     6642 |      897      250     17 |  0.001 % |
0.00/0.02	c |       476 |     588     2225     6642 |      987      476     16 |  0.001 % |
0.00/0.03	c |       813 |     588     2225     6642 |     1085      813     16 |  0.001 % |
0.00/0.06	c |      1321 |     588     2225     6642 |     1194      760     15 |  0.000 % |
0.09/0.09	c |      2080 |     588     2225     6642 |     1313      899     14 |  0.001 % |
0.09/0.15	c |      3220 |     588     2225     6642 |     1445     1353     14 |  0.000 % |
0.19/0.24	c |      4928 |     588     2225     6642 |     1589      823     14 |  0.001 % |
0.29/0.38	c |      7490 |     588     2225     6642 |     1748      940     12 |  0.001 % |
0.49/0.58	c |     11334 |     588     2225     6642 |     1923     1181     13 |  0.001 % |
0.89/0.90	c |     17100 |     588     2225     6642 |     2116     1023     12 |  0.001 % |
1.39/1.40	c |     25749 |     588     2225     6642 |     2327     2093     14 |  0.001 % |
2.10/2.17	c |     38723 |     588     2225     6642 |     2560     2054     13 |  0.000 % |
3.30/3.33	c |     58186 |     588     2225     6642 |     2816     1940     16 |  0.001 % |
5.09/5.14	c |     87379 |     588     2225     6642 |     3098     2462     16 |  0.000 % |
7.89/7.92	c |    131168 |     588     2225     6642 |     3407     2170     15 |  0.000 % |
12.19/12.23	c |    196853 |     588     2225     6642 |     3748     2039     15 |  0.002 % |
18.89/18.93	c |    295379 |     588     2225     6642 |     4123     3669     17 |  0.001 % |
29.38/29.44	c |    443168 |     586     2208     6592 |     4535     3418     15 |  0.318 % |
38.08/38.18	c ===============================================================================
38.08/38.18	c restarts              : 20
38.08/38.18	c conflicts             : 563774         (14770 /sec)
38.08/38.18	c decisions             : 683016         (1.78 % random) (17893 /sec)
38.08/38.18	c propagations          : 48954002       (1282485 /sec)
38.08/38.18	c conflict literals     : 9175847        (35.11 % deleted)
38.08/38.18	c Memory used           : 2.98 MB
38.08/38.18	c CPU time              : 38.1712 s
38.08/38.18	c 
38.08/38.18	s UNSATISFIABLE

Verifier Data (download as text)

No possible verification on an UNSAT instance

Watcher Data (download as text)

runsolver version 3.2.3 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node43/watcher-421377-1177503228 -o ROOT/results/node43/solver-421377-1177503228 -C 1200 -W 2400 -M 1800 --output-limit 1,15 /tmp/evaluation/421377-1177503228/minisat_noassertions /tmp/evaluation/421377-1177503228/instance-421377-1177503228.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: 0.79 0.93 0.97 3/77 22001
/proc/meminfo: memFree=1690256/2055920 swapFree=4158592/4192956
[pid=22001] ppid=21999 vsize=1852 CPUtime=0
/proc/22001/stat : 22001 (minisat_noasser) R 21999 22001 20535 0 -1 4194304 153 0 0 0 0 0 0 0 18 0 1 0 198234612 1896448 139 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134558477 0 0 4096 3 0 0 0 17 1 0 0
/proc/22001/statm: 463 139 62 130 0 330 0

[startup+0.095957 s]
/proc/loadavg: 0.79 0.93 0.97 3/77 22001
/proc/meminfo: memFree=1690256/2055920 swapFree=4158592/4192956
[pid=22001] ppid=21999 vsize=1984 CPUtime=0.09
/proc/22001/stat : 22001 (minisat_noasser) R 21999 22001 20535 0 -1 4194304 175 0 0 0 9 0 0 0 18 0 1 0 198234612 2031616 161 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134546999 0 0 4096 3 0 0 0 17 1 0 0
/proc/22001/statm: 496 161 66 130 0 363 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 1984

[startup+0.101957 s]
/proc/loadavg: 0.79 0.93 0.97 3/77 22001
/proc/meminfo: memFree=1690256/2055920 swapFree=4158592/4192956
[pid=22001] ppid=21999 vsize=1984 CPUtime=0.09
/proc/22001/stat : 22001 (minisat_noasser) R 21999 22001 20535 0 -1 4194304 175 0 0 0 9 0 0 0 18 0 1 0 198234612 2031616 161 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134547037 0 0 4096 3 0 0 0 17 1 0 0
/proc/22001/statm: 496 161 66 130 0 363 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 1984

[startup+0.301975 s]
/proc/loadavg: 0.79 0.93 0.97 3/77 22001
/proc/meminfo: memFree=1690256/2055920 swapFree=4158592/4192956
[pid=22001] ppid=21999 vsize=1984 CPUtime=0.29
/proc/22001/stat : 22001 (minisat_noasser) R 21999 22001 20535 0 -1 4194304 191 0 0 0 29 0 0 0 19 0 1 0 198234612 2031616 177 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134547313 0 0 4096 3 0 0 0 17 1 0 0
/proc/22001/statm: 496 177 66 130 0 363 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 1984

[startup+0.702009 s]
/proc/loadavg: 0.79 0.93 0.97 3/77 22001
/proc/meminfo: memFree=1690256/2055920 swapFree=4158592/4192956
[pid=22001] ppid=21999 vsize=2116 CPUtime=0.69
/proc/22001/stat : 22001 (minisat_noasser) R 21999 22001 20535 0 -1 4194304 206 0 0 0 69 0 0 0 23 0 1 0 198234612 2166784 192 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134547326 0 0 4096 3 0 0 0 17 1 0 0
/proc/22001/statm: 529 192 66 130 0 396 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 2116

[startup+1.50108 s]
/proc/loadavg: 0.79 0.93 0.97 2/78 22002
/proc/meminfo: memFree=1689672/2055920 swapFree=4158592/4192956
[pid=22001] ppid=21999 vsize=2116 CPUtime=1.49
/proc/22001/stat : 22001 (minisat_noasser) R 21999 22001 20535 0 -1 4194304 226 0 0 0 149 0 0 0 25 0 1 0 198234612 2166784 212 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134547313 0 0 4096 3 0 0 0 17 1 0 0
/proc/22001/statm: 529 212 66 130 0 396 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 2116

[startup+3.10122 s]
/proc/loadavg: 0.79 0.93 0.97 2/78 22002
/proc/meminfo: memFree=1689480/2055920 swapFree=4158592/4192956
[pid=22001] ppid=21999 vsize=2248 CPUtime=3.09
/proc/22001/stat : 22001 (minisat_noasser) R 21999 22001 20535 0 -1 4194304 249 0 0 0 309 0 0 0 25 0 1 0 198234612 2301952 235 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134547171 0 0 4096 3 0 0 0 17 1 0 0
/proc/22001/statm: 562 235 66 130 0 429 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 2248

[startup+6.3025 s]
/proc/loadavg: 0.80 0.94 0.97 2/78 22002
/proc/meminfo: memFree=1689288/2055920 swapFree=4158592/4192956
[pid=22001] ppid=21999 vsize=2380 CPUtime=6.29
/proc/22001/stat : 22001 (minisat_noasser) R 21999 22001 20535 0 -1 4194304 294 0 0 0 629 0 0 0 25 0 1 0 198234612 2437120 280 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134547011 0 0 4096 3 0 0 0 17 1 0 0
/proc/22001/statm: 595 280 66 130 0 462 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 2380

[startup+12.7011 s]
/proc/loadavg: 0.82 0.94 0.97 2/78 22002
/proc/meminfo: memFree=1689032/2055920 swapFree=4158592/4192956
[pid=22001] ppid=21999 vsize=2644 CPUtime=12.69
/proc/22001/stat : 22001 (minisat_noasser) R 21999 22001 20535 0 -1 4194304 346 0 0 0 1269 0 0 0 25 0 1 0 198234612 2707456 332 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134546809 0 0 4096 3 0 0 0 17 1 0 0
/proc/22001/statm: 661 332 66 130 0 528 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 2644

[startup+25.5012 s]
/proc/loadavg: 0.86 0.94 0.97 2/78 22002
/proc/meminfo: memFree=1688712/2055920 swapFree=4158592/4192956
[pid=22001] ppid=21999 vsize=2912 CPUtime=25.49
/proc/22001/stat : 22001 (minisat_noasser) R 21999 22001 20535 0 -1 4194304 413 0 0 0 2549 0 0 0 25 0 1 0 198234612 2981888 399 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134547181 0 0 4096 3 0 0 0 17 1 0 0
/proc/22001/statm: 728 399 66 130 0 595 0
Current children cumulated CPU time (s) 25.49
Current children cumulated vsize (KiB) 2912

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

[startup+31.9057 s]
/proc/loadavg: 0.87 0.94 0.97 2/78 22002
/proc/meminfo: memFree=1688584/2055920 swapFree=4158592/4192956
[pid=22001] ppid=21999 vsize=3048 CPUtime=31.89
/proc/22001/stat : 22001 (minisat_noasser) R 21999 22001 20535 0 -1 4194304 437 0 0 0 3189 0 0 0 25 0 1 0 198234612 3121152 423 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134547287 0 0 4096 3 0 0 0 17 1 0 0
/proc/22001/statm: 762 423 66 130 0 629 0
Current children cumulated CPU time (s) 31.89
Current children cumulated vsize (KiB) 3048

[startup+35.102 s]
/proc/loadavg: 0.88 0.94 0.97 2/78 22002
/proc/meminfo: memFree=1688584/2055920 swapFree=4158592/4192956
[pid=22001] ppid=21999 vsize=3048 CPUtime=35.09
/proc/22001/stat : 22001 (minisat_noasser) R 21999 22001 20535 0 -1 4194304 445 0 0 0 3509 0 0 0 25 0 1 0 198234612 3121152 431 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134546927 0 0 4096 3 0 0 0 17 1 0 0
/proc/22001/statm: 762 431 66 130 0 629 0
Current children cumulated CPU time (s) 35.09
Current children cumulated vsize (KiB) 3048

[startup+36.7011 s]
/proc/loadavg: 0.88 0.94 0.97 2/78 22002
/proc/meminfo: memFree=1688520/2055920 swapFree=4158592/4192956
[pid=22001] ppid=21999 vsize=3048 CPUtime=36.68
/proc/22001/stat : 22001 (minisat_noasser) R 21999 22001 20535 0 -1 4194304 451 0 0 0 3668 0 0 0 25 0 1 0 198234612 3121152 437 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134547020 0 0 4096 3 0 0 0 17 1 0 0
/proc/22001/statm: 762 437 66 130 0 629 0
Current children cumulated CPU time (s) 36.68
Current children cumulated vsize (KiB) 3048

[startup+37.5012 s]
/proc/loadavg: 0.88 0.94 0.97 2/78 22002
/proc/meminfo: memFree=1688520/2055920 swapFree=4158592/4192956
[pid=22001] ppid=21999 vsize=3048 CPUtime=37.48
/proc/22001/stat : 22001 (minisat_noasser) R 21999 22001 20535 0 -1 4194304 451 0 0 0 3748 0 0 0 25 0 1 0 198234612 3121152 437 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134546983 0 0 4096 3 0 0 0 17 1 0 0
/proc/22001/statm: 762 437 66 130 0 629 0
Current children cumulated CPU time (s) 37.48
Current children cumulated vsize (KiB) 3048

[startup+37.9012 s]
/proc/loadavg: 0.88 0.94 0.97 2/78 22002
/proc/meminfo: memFree=1688520/2055920 swapFree=4158592/4192956
[pid=22001] ppid=21999 vsize=3048 CPUtime=37.88
/proc/22001/stat : 22001 (minisat_noasser) R 21999 22001 20535 0 -1 4194304 453 0 0 0 3788 0 0 0 25 0 1 0 198234612 3121152 439 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134546920 0 0 4096 3 0 0 0 17 1 0 0
/proc/22001/statm: 762 439 66 130 0 629 0
Current children cumulated CPU time (s) 37.88
Current children cumulated vsize (KiB) 3048

[startup+38.1013 s]
/proc/loadavg: 0.88 0.94 0.97 2/78 22002
/proc/meminfo: memFree=1688520/2055920 swapFree=4158592/4192956
[pid=22001] ppid=21999 vsize=3048 CPUtime=38.08
/proc/22001/stat : 22001 (minisat_noasser) R 21999 22001 20535 0 -1 4194304 453 0 0 0 3808 0 0 0 25 0 1 0 198234612 3121152 439 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134546920 0 0 4096 3 0 0 0 17 1 0 0
/proc/22001/statm: 762 439 66 130 0 629 0
Current children cumulated CPU time (s) 38.08
Current children cumulated vsize (KiB) 3048

Child status: 20
Real time (s): 38.1879
CPU time (s): 38.1752
CPU user time (s): 38.1712
CPU system time (s): 0.003999
CPU usage (%): 99.9666
Max. virtual memory (cumulated for all children) (KiB): 3048

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 38.1712
system time used= 0.003999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 459
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= 7
involuntary context switches= 802

runsolver used 0.033994 second user time and 0.085986 second system time

The end

Launcher Data (download as text)

Begin job on node43 on Wed Apr 25 12:13:48 UTC 2007

IDJOB= 421377
IDBENCH= 20295
IDSOLVER= 188
FILE ID= node43/421377-1177503228

PBS_JOBID= 4685864

Free space on /tmp= 66434 MiB

SOLVER NAME= minisat SAT 2007
BENCH NAME= HOME/pub/bench/SAT07/random/2+p/p0.9/v630/unif2p-p0.9-v630-c2280-S1501024241-13-UNSAT.cnf
COMMAND LINE= /tmp/evaluation/421377-1177503228/minisat_noassertions /tmp/evaluation/421377-1177503228/instance-421377-1177503228.cnf
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node43/watcher-421377-1177503228 -o ROOT/results/node43/solver-421377-1177503228 -C 1200 -W 2400 -M 1800 --output-limit 1,15  /tmp/evaluation/421377-1177503228/minisat_noassertions /tmp/evaluation/421377-1177503228/instance-421377-1177503228.cnf

META MD5SUM SOLVER= 80cbedba287df00eb7b45eadedad758b
MD5SUM BENCH=  c3f41406395e9f4a8725889bf7cf43c6

RANDOM SEED= 838946672

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node43.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		: 3000.218
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		: 3000.218
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:       1690728 kB
Buffers:         50756 kB
Cached:         216424 kB
SwapCached:       2984 kB
Active:         182860 kB
Inactive:       114792 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1690728 kB
SwapTotal:     4192956 kB
SwapFree:      4158592 kB
Dirty:            1644 kB
Writeback:           0 kB
Mapped:          37992 kB
Slab:            52976 kB
Committed_AS:  2674080 kB
PageTables:       1908 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= 66434 MiB

End job on node43 on Wed Apr 25 12:14:26 UTC 2007