Trace number 426977

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 61.1207 61.1374

General information on the benchmark

Namerandom/2+p/p0.9/v630/
unif2p-p0.9-v630-c2280-S779175761-20-UNSAT.cnf
MD5SUMe4a16dbebaf749785d32ea7331a934fc
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark4.10637
Satisfiable
(Un)Satisfiability was proved
Number of variables630
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 |     585     2230     6672 |      743        0    nan |  0.000 % |
0.00/0.01	c |       101 |     585     2230     6672 |      817      101     18 |  0.000 % |
0.00/0.01	c |       251 |     585     2230     6672 |      899      251     17 |  0.000 % |
0.00/0.02	c |       477 |     585     2230     6672 |      989      477     17 |  0.001 % |
0.00/0.03	c |       814 |     585     2230     6672 |     1088      814     17 |  0.000 % |
0.00/0.06	c |      1323 |     585     2230     6672 |     1197      746     15 |  0.000 % |
0.06/0.10	c |      2082 |     585     2230     6672 |     1316      876     17 |  0.000 % |
0.09/0.15	c |      3221 |     585     2230     6672 |     1448     1324     15 |  0.000 % |
0.19/0.24	c |      4929 |     585     2230     6672 |     1593      816     15 |  0.001 % |
0.29/0.37	c |      7492 |     585     2230     6672 |     1752      910     13 |  0.001 % |
0.49/0.58	c |     11336 |     585     2230     6672 |     1928     1158     14 |  0.001 % |
0.89/0.91	c |     17103 |     585     2230     6672 |     2120     1000     14 |  0.000 % |
1.39/1.41	c |     25752 |     585     2230     6672 |     2332     2097     14 |  0.000 % |
2.10/2.18	c |     38727 |     585     2230     6672 |     2566     1956     15 |  0.001 % |
3.30/3.37	c |     58188 |     585     2230     6672 |     2822     1714     18 |  0.001 % |
5.19/5.25	c |     87380 |     585     2230     6672 |     3105     2115     15 |  0.001 % |
8.09/8.16	c |    131169 |     585     2230     6672 |     3415     3132     17 |  0.001 % |
12.49/12.56	c |    196853 |     585     2230     6672 |     3757     2842     16 |  0.000 % |
19.39/19.42	c |    295379 |     585     2230     6672 |     4132     2163     16 |  0.001 % |
30.29/30.32	c |    443168 |     585     2230     6672 |     4546     3287     17 |  0.001 % |
47.18/47.21	c |    664853 |     585     2230     6672 |     5000     3997     17 |  0.002 % |
61.07/61.13	c ===============================================================================
61.07/61.13	c restarts              : 21
61.07/61.13	c conflicts             : 846922         (13858 /sec)
61.07/61.13	c decisions             : 1026493        (1.77 % random) (16796 /sec)
61.07/61.13	c propagations          : 73464205       (1202071 /sec)
61.07/61.13	c conflict literals     : 15257977       (34.90 % deleted)
61.07/61.13	c Memory used           : 3.36 MB
61.07/61.13	c CPU time              : 61.1147 s
61.07/61.13	c 
61.07/61.13	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/node60/watcher-426977-1177831301 -o ROOT/results/node60/solver-426977-1177831301 -C 5000 -W 7500 -M 1800 --output-limit 1,15 /tmp/evaluation/426977-1177831301/minisat_noassertions /tmp/evaluation/426977-1177831301/instance-426977-1177831301.cnf 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 5000 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 5030 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 7500 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: 0.85 0.97 0.99 3/64 20275
/proc/meminfo: memFree=1592848/2055920 swapFree=4183288/4192956
[pid=20275] ppid=20273 vsize=1852 CPUtime=0
/proc/20275/stat : 20275 (minisat_noasser) R 20273 20275 20221 0 -1 4194304 155 0 0 0 0 0 0 0 18 0 1 0 231040045 1896448 141 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134686936 0 0 4096 3 0 0 0 17 1 0 0
/proc/20275/statm: 463 141 62 130 0 330 0

[startup+0.066376 s]
/proc/loadavg: 0.85 0.97 0.99 3/64 20275
/proc/meminfo: memFree=1592848/2055920 swapFree=4183288/4192956
[pid=20275] ppid=20273 vsize=1984 CPUtime=0.06
/proc/20275/stat : 20275 (minisat_noasser) R 20273 20275 20221 0 -1 4194304 173 0 0 0 6 0 0 0 18 0 1 0 231040045 2031616 159 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134546594 0 0 4096 3 0 0 0 17 1 0 0
/proc/20275/statm: 496 159 66 130 0 363 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 1984

[startup+0.10138 s]
/proc/loadavg: 0.85 0.97 0.99 3/64 20275
/proc/meminfo: memFree=1592848/2055920 swapFree=4183288/4192956
[pid=20275] ppid=20273 vsize=1984 CPUtime=0.09
/proc/20275/stat : 20275 (minisat_noasser) R 20273 20275 20221 0 -1 4194304 177 0 0 0 9 0 0 0 18 0 1 0 231040045 2031616 163 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134700109 0 0 4096 3 0 0 0 17 1 0 0
/proc/20275/statm: 496 163 66 130 0 363 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 1984

[startup+0.301399 s]
/proc/loadavg: 0.85 0.97 0.99 3/64 20275
/proc/meminfo: memFree=1592848/2055920 swapFree=4183288/4192956
[pid=20275] ppid=20273 vsize=1984 CPUtime=0.29
/proc/20275/stat : 20275 (minisat_noasser) R 20273 20275 20221 0 -1 4194304 194 0 0 0 29 0 0 0 19 0 1 0 231040045 2031616 180 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134546922 0 0 4096 3 0 0 0 17 1 0 0
/proc/20275/statm: 496 180 66 130 0 363 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 1984

[startup+0.701438 s]
/proc/loadavg: 0.85 0.97 0.99 3/64 20275
/proc/meminfo: memFree=1592848/2055920 swapFree=4183288/4192956
[pid=20275] ppid=20273 vsize=2116 CPUtime=0.69
/proc/20275/stat : 20275 (minisat_noasser) R 20273 20275 20221 0 -1 4194304 212 0 0 0 69 0 0 0 23 0 1 0 231040045 2166784 198 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134546864 0 0 4096 3 0 0 0 17 1 0 0
/proc/20275/statm: 529 198 66 130 0 396 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 2116

[startup+1.50152 s]
/proc/loadavg: 0.85 0.97 0.99 2/65 20276
/proc/meminfo: memFree=1592264/2055920 swapFree=4183288/4192956
[pid=20275] ppid=20273 vsize=2248 CPUtime=1.49
/proc/20275/stat : 20275 (minisat_noasser) R 20273 20275 20221 0 -1 4194304 231 0 0 0 149 0 0 0 25 0 1 0 231040045 2301952 217 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134547282 0 0 4096 3 0 0 0 17 1 0 0
/proc/20275/statm: 562 217 66 130 0 429 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 2248

[startup+3.10167 s]
/proc/loadavg: 0.86 0.97 0.99 2/65 20276
/proc/meminfo: memFree=1592072/2055920 swapFree=4183288/4192956
[pid=20275] ppid=20273 vsize=2248 CPUtime=3.09
/proc/20275/stat : 20275 (minisat_noasser) R 20273 20275 20221 0 -1 4194304 258 0 0 0 309 0 0 0 25 0 1 0 231040045 2301952 244 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134552654 0 0 4096 3 0 0 0 17 1 0 0
/proc/20275/statm: 562 244 66 130 0 429 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 2248

[startup+6.30199 s]
/proc/loadavg: 0.86 0.97 0.99 2/65 20276
/proc/meminfo: memFree=1591752/2055920 swapFree=4183288/4192956
[pid=20275] ppid=20273 vsize=2512 CPUtime=6.29
/proc/20275/stat : 20275 (minisat_noasser) R 20273 20275 20221 0 -1 4194304 303 0 0 0 629 0 0 0 25 0 1 0 231040045 2572288 289 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134547196 0 0 4096 3 0 0 0 17 1 0 0
/proc/20275/statm: 628 289 66 130 0 495 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 2512

[startup+12.7016 s]
/proc/loadavg: 0.87 0.97 0.99 2/65 20276
/proc/meminfo: memFree=1591560/2055920 swapFree=4183288/4192956
[pid=20275] ppid=20273 vsize=2644 CPUtime=12.69
/proc/20275/stat : 20275 (minisat_noasser) R 20273 20275 20221 0 -1 4194304 352 0 0 0 1269 0 0 0 25 0 1 0 231040045 2707456 338 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134547171 0 0 4096 3 0 0 0 17 1 0 0
/proc/20275/statm: 661 338 66 130 0 528 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 2644

[startup+25.5019 s]
/proc/loadavg: 0.90 0.97 0.99 2/65 20276
/proc/meminfo: memFree=1591176/2055920 swapFree=4183288/4192956
[pid=20275] ppid=20273 vsize=3040 CPUtime=25.49
/proc/20275/stat : 20275 (minisat_noasser) R 20273 20275 20221 0 -1 4194304 438 0 0 0 2549 0 0 0 25 0 1 0 231040045 3112960 424 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134547330 0 0 4096 3 0 0 0 17 1 0 0
/proc/20275/statm: 760 424 66 130 0 627 0
Current children cumulated CPU time (s) 25.49
Current children cumulated vsize (KiB) 3040

[startup+51.1014 s]
/proc/loadavg: 0.93 0.97 0.99 2/65 20276
/proc/meminfo: memFree=1590792/2055920 swapFree=4183288/4192956
[pid=20275] ppid=20273 vsize=3304 CPUtime=51.08
/proc/20275/stat : 20275 (minisat_noasser) R 20273 20275 20221 0 -1 4194304 523 0 0 0 5108 0 0 0 25 0 1 0 231040045 3383296 509 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134546614 0 0 4096 3 0 0 0 17 1 0 0
/proc/20275/statm: 826 509 66 130 0 693 0
Current children cumulated CPU time (s) 51.08
Current children cumulated vsize (KiB) 3304

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

[startup+57.501 s]
/proc/loadavg: 0.94 0.97 0.99 2/65 20276
/proc/meminfo: memFree=1590792/2055920 swapFree=4183288/4192956
[pid=20275] ppid=20273 vsize=3440 CPUtime=57.48
/proc/20275/stat : 20275 (minisat_noasser) R 20273 20275 20221 0 -1 4194304 534 0 0 0 5748 0 0 0 25 0 1 0 231040045 3522560 520 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134547143 0 0 4096 3 0 0 0 17 1 0 0
/proc/20275/statm: 860 520 66 130 0 727 0
Current children cumulated CPU time (s) 57.48
Current children cumulated vsize (KiB) 3440

[startup+59.1012 s]
/proc/loadavg: 0.94 0.97 0.99 2/65 20276
/proc/meminfo: memFree=1590792/2055920 swapFree=4183288/4192956
[pid=20275] ppid=20273 vsize=3440 CPUtime=59.08
/proc/20275/stat : 20275 (minisat_noasser) R 20273 20275 20221 0 -1 4194304 534 0 0 0 5908 0 0 0 25 0 1 0 231040045 3522560 520 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134546870 0 0 4096 3 0 0 0 17 1 0 0
/proc/20275/statm: 860 520 66 130 0 727 0
Current children cumulated CPU time (s) 59.08
Current children cumulated vsize (KiB) 3440

[startup+59.9013 s]
/proc/loadavg: 0.94 0.97 0.99 2/65 20276
/proc/meminfo: memFree=1590792/2055920 swapFree=4183288/4192956
[pid=20275] ppid=20273 vsize=3440 CPUtime=59.87
/proc/20275/stat : 20275 (minisat_noasser) R 20273 20275 20221 0 -1 4194304 536 0 0 0 5987 0 0 0 25 0 1 0 231040045 3522560 522 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134546864 0 0 4096 3 0 0 0 17 1 0 0
/proc/20275/statm: 860 522 66 130 0 727 0
Current children cumulated CPU time (s) 59.87
Current children cumulated vsize (KiB) 3440

[startup+60.7013 s]
/proc/loadavg: 0.94 0.97 0.99 2/65 20276
/proc/meminfo: memFree=1590728/2055920 swapFree=4183288/4192956
[pid=20275] ppid=20273 vsize=3440 CPUtime=60.67
/proc/20275/stat : 20275 (minisat_noasser) R 20273 20275 20221 0 -1 4194304 537 0 0 0 6067 0 0 0 25 0 1 0 231040045 3522560 523 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134548054 0 0 4096 3 0 0 0 17 1 0 0
/proc/20275/statm: 860 523 66 130 0 727 0
Current children cumulated CPU time (s) 60.67
Current children cumulated vsize (KiB) 3440

[startup+61.1014 s]
/proc/loadavg: 0.94 0.97 0.99 2/65 20276
/proc/meminfo: memFree=1590728/2055920 swapFree=4183288/4192956
[pid=20275] ppid=20273 vsize=3440 CPUtime=61.07
/proc/20275/stat : 20275 (minisat_noasser) R 20273 20275 20221 0 -1 4194304 537 0 0 0 6107 0 0 0 25 0 1 0 231040045 3522560 523 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134548247 0 0 4096 3 0 0 0 17 1 0 0
/proc/20275/statm: 860 523 66 130 0 727 0
Current children cumulated CPU time (s) 61.07
Current children cumulated vsize (KiB) 3440

Child status: 20
Real time (s): 61.1374
CPU time (s): 61.1207
CPU user time (s): 61.1147
CPU system time (s): 0.005999
CPU usage (%): 99.9727
Max. virtual memory (cumulated for all children) (KiB): 3440

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 61.1147
system time used= 0.005999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 543
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= 125

runsolver used 0.042993 second user time and 0.13098 second system time

The end

Launcher Data (download as text)

Begin job on node60 on Sun Apr 29 07:21:41 UTC 2007

IDJOB= 426977
IDBENCH= 20287
IDSOLVER= 189
FILE ID= node60/426977-1177831301

PBS_JOBID= 4718297

Free space on /tmp= 66563 MiB

SOLVER NAME= minisat SAT 2007
BENCH NAME= HOME/pub/bench/SAT07/random/2+p/p0.9/v630/unif2p-p0.9-v630-c2280-S779175761-20-UNSAT.cnf
COMMAND LINE= /tmp/evaluation/426977-1177831301/minisat_noassertions /tmp/evaluation/426977-1177831301/instance-426977-1177831301.cnf
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node60/watcher-426977-1177831301 -o ROOT/results/node60/solver-426977-1177831301 -C 5000 -W 7500 -M 1800 --output-limit 1,15  /tmp/evaluation/426977-1177831301/minisat_noassertions /tmp/evaluation/426977-1177831301/instance-426977-1177831301.cnf

META MD5SUM SOLVER= d41d8cd98f00b204e9800998ecf8427e
MD5SUM BENCH=  e4a16dbebaf749785d32ea7331a934fc

RANDOM SEED= 163771161

TIME LIMIT= 5000 seconds
MEMORY LIMIT= 1800 MiB

Linux node60.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		: 3000.214
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		: 3000.214
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:       1593256 kB
Buffers:         43980 kB
Cached:         339196 kB
SwapCached:       3744 kB
Active:         211528 kB
Inactive:       181208 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1593256 kB
SwapTotal:     4192956 kB
SwapFree:      4183288 kB
Dirty:            1676 kB
Writeback:           0 kB
Mapped:          15484 kB
Slab:            55872 kB
Committed_AS:  2611860 kB
PageTables:       1464 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= 66563 MiB

End job on node60 on Sun Apr 29 07:22:42 UTC 2007