Trace number 310456

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 2007 (with assertions)UNSAT 62.5755 62.6483

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 benchmark4.09138
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 % |
0.00/0.04	c |       814 |     585     2230     6672 |     1088      814     17 |  0.000 % |
0.00/0.06	c |      1323 |     585     2230     6672 |     1197      746     15 |  0.000 % |
0.00/0.10	c |      2082 |     585     2230     6672 |     1316      876     17 |  0.000 % |
0.10/0.16	c |      3221 |     585     2230     6672 |     1448     1324     15 |  0.000 % |
0.20/0.25	c |      4929 |     585     2230     6672 |     1593      816     15 |  0.001 % |
0.30/0.39	c |      7492 |     585     2230     6672 |     1752      910     13 |  0.001 % |
0.51/0.60	c |     11336 |     585     2230     6672 |     1928     1158     14 |  0.001 % |
0.91/0.94	c |     17103 |     585     2230     6672 |     2120     1000     14 |  0.000 % |
1.42/1.46	c |     25752 |     585     2230     6672 |     2332     2097     14 |  0.000 % |
2.14/2.20	c |     38727 |     585     2230     6672 |     2566     1956     15 |  0.001 % |
3.36/3.42	c |     58188 |     585     2230     6672 |     2822     1714     18 |  0.001 % |
5.31/5.34	c |     87380 |     585     2230     6672 |     3105     2115     15 |  0.001 % |
8.28/8.30	c |    131169 |     585     2230     6672 |     3415     3132     17 |  0.001 % |
12.68/12.79	c |    196853 |     585     2230     6672 |     3757     2842     16 |  0.000 % |
19.75/19.87	c |    295379 |     585     2230     6672 |     4132     2163     16 |  0.001 % |
30.91/31.00	c |    443168 |     585     2230     6672 |     4546     3287     17 |  0.001 % |
48.20/48.34	c |    664853 |     585     2230     6672 |     5000     3997     17 |  0.002 % |
62.53/62.64	c ===============================================================================
62.53/62.64	c restarts              : 21
62.53/62.64	c conflicts             : 846922         (13536 /sec)
62.53/62.64	c decisions             : 1026493        (1.77 % random) (16406 /sec)
62.53/62.64	c propagations          : 73464205       (1174141 /sec)
62.53/62.64	c conflict literals     : 15257977       (34.90 % deleted)
62.53/62.64	c Memory used           : 3.39 MB
62.53/62.64	c CPU time              : 62.5685 s
62.53/62.64	c 
62.53/62.64	s UNSATISFIABLE

Verifier Data (download as text)

No possible verification on an UNSAT instance

Watcher Data (download as text)

runsolver version 3.2.0 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node42/watcher-310456-1172559681 -o ROOT/results/node42/solver-310456-1172559681 -C 1200 -M 1800 --output-limit 1,15 /tmp/evaluation/310456-1172559681/minisat /tmp/evaluation/310456-1172559681/instance-310456-1172559681.cnf 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1200 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1230 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: 0.92 0.98 0.99 3/70 8827
/proc/meminfo: memFree=1818352/2055920 swapFree=4182516/4192956
[pid=8827] ppid=8825 vsize=1884 CPUtime=0
/proc/8827/stat : 8827 (minisat) R 8825 8827 8559 0 -1 4194304 167 0 0 0 0 0 0 0 18 0 1 0 275924120 1929216 151 18446744073709551615 134512640 135078472 4294956704 18446744073709551615 134526104 0 0 4096 3 0 0 0 17 1 0 0
/proc/8827/statm: 471 151 72 138 0 330 0

[startup+0.106914 s]
/proc/loadavg: 0.92 0.98 0.99 3/70 8827
/proc/meminfo: memFree=1818352/2055920 swapFree=4182516/4192956
[pid=8827] ppid=8825 vsize=2016 CPUtime=0.1
/proc/8827/stat : 8827 (minisat) R 8825 8827 8559 0 -1 4194304 186 0 0 0 10 0 0 0 18 0 1 0 275924120 2064384 170 18446744073709551615 134512640 135078472 4294956704 18446744073709551615 134550686 0 0 4096 3 0 0 0 17 1 0 0
/proc/8827/statm: 504 170 73 138 0 363 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 2016

[startup+0.514992 s]
/proc/loadavg: 0.92 0.98 0.99 3/70 8827
/proc/meminfo: memFree=1818352/2055920 swapFree=4182516/4192956
[pid=8827] ppid=8825 vsize=2148 CPUtime=0.51
/proc/8827/stat : 8827 (minisat) R 8825 8827 8559 0 -1 4194304 210 0 0 0 51 0 0 0 22 0 1 0 275924120 2199552 194 18446744073709551615 134512640 135078472 4294956704 18446744073709551615 134550279 0 0 4096 3 0 0 0 17 1 0 0
/proc/8827/statm: 537 194 73 138 0 396 0
Current children cumulated CPU time (s) 0.51
Current children cumulated vsize (KiB) 2148

[startup+1.33515 s]
/proc/loadavg: 0.93 0.98 0.99 2/71 8828
/proc/meminfo: memFree=1817704/2055920 swapFree=4182516/4192956
[pid=8827] ppid=8825 vsize=2148 CPUtime=1.32
/proc/8827/stat : 8827 (minisat) R 8825 8827 8559 0 -1 4194304 231 0 0 0 132 0 0 0 25 0 1 0 275924120 2199552 215 18446744073709551615 134512640 135078472 4294956704 18446744073709551615 134550713 0 0 4096 3 0 0 0 17 1 0 0
/proc/8827/statm: 537 215 73 138 0 396 0
Current children cumulated CPU time (s) 1.32
Current children cumulated vsize (KiB) 2148

[startup+2.97246 s]
/proc/loadavg: 0.93 0.98 0.99 2/71 8844
/proc/meminfo: memFree=1817384/2055920 swapFree=4182516/4192956
[pid=8827] ppid=8825 vsize=2280 CPUtime=2.95
/proc/8827/stat : 8827 (minisat) R 8825 8827 8559 0 -1 4194304 266 0 0 0 295 0 0 0 25 0 1 0 275924120 2334720 250 18446744073709551615 134512640 135078472 4294956704 18446744073709551615 134550546 0 0 4096 3 0 0 0 17 1 0 0
/proc/8827/statm: 570 250 73 138 0 429 0
Current children cumulated CPU time (s) 2.95
Current children cumulated vsize (KiB) 2280

[startup+6.25108 s]
/proc/loadavg: 0.93 0.98 0.99 2/71 8846
/proc/meminfo: memFree=1817128/2055920 swapFree=4182516/4192956
[pid=8827] ppid=8825 vsize=2544 CPUtime=6.23
/proc/8827/stat : 8827 (minisat) R 8825 8827 8559 0 -1 4194304 312 0 0 0 623 0 0 0 25 0 1 0 275924120 2605056 296 18446744073709551615 134512640 135078472 4294956704 18446744073709551615 134552077 0 0 4096 3 0 0 0 17 1 0 0
/proc/8827/statm: 636 296 73 138 0 495 0
Current children cumulated CPU time (s) 6.23
Current children cumulated vsize (KiB) 2544

[startup+12.7073 s]
/proc/loadavg: 0.94 0.98 0.99 2/71 8850
/proc/meminfo: memFree=1816936/2055920 swapFree=4182516/4192956
[pid=8827] ppid=8825 vsize=2676 CPUtime=12.68
/proc/8827/stat : 8827 (minisat) R 8825 8827 8559 0 -1 4194304 357 0 0 0 1268 0 0 0 25 0 1 0 275924120 2740224 341 18446744073709551615 134512640 135078472 4294956704 18446744073709551615 134550652 0 0 4096 3 0 0 0 17 1 0 0
/proc/8827/statm: 669 341 73 138 0 528 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 2676

[startup+25.5188 s]
/proc/loadavg: 0.95 0.98 0.99 2/71 8858
/proc/meminfo: memFree=1816616/2055920 swapFree=4182516/4192956
[pid=8827] ppid=8825 vsize=3072 CPUtime=25.48
/proc/8827/stat : 8827 (minisat) R 8825 8827 8559 0 -1 4194304 441 0 0 0 2548 0 0 0 25 0 1 0 275924120 3145728 425 18446744073709551615 134512640 135078472 4294956704 18446744073709551615 134550699 0 0 4096 3 0 0 0 17 1 0 0
/proc/8827/statm: 768 425 73 138 0 627 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 3072

[startup+51.1356 s]
/proc/loadavg: 0.96 0.98 0.99 2/71 8912
/proc/meminfo: memFree=1816232/2055920 swapFree=4182516/4192956
[pid=8827] ppid=8825 vsize=3336 CPUtime=51.06
/proc/8827/stat : 8827 (minisat) R 8825 8827 8559 0 -1 4194304 528 0 0 0 5106 0 0 0 25 0 1 0 275924120 3416064 512 18446744073709551615 134512640 135078472 4294956704 18446744073709551615 134551032 0 0 4096 3 0 0 0 17 1 0 0
/proc/8827/statm: 834 512 73 138 0 693 0
Current children cumulated CPU time (s) 51.06
Current children cumulated vsize (KiB) 3336

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

[startup+52.4659 s]
/proc/loadavg: 0.97 0.98 0.99 2/71 8912
/proc/meminfo: memFree=1816232/2055920 swapFree=4182516/4192956
[pid=8827] ppid=8825 vsize=3336 CPUtime=52.39
/proc/8827/stat : 8827 (minisat) R 8825 8827 8559 0 -1 4194304 532 0 0 0 5239 0 0 0 25 0 1 0 275924120 3416064 516 18446744073709551615 134512640 135078472 4294956704 18446744073709551615 134550652 0 0 4096 3 0 0 0 17 1 0 0
/proc/8827/statm: 834 516 73 138 0 693 0
Current children cumulated CPU time (s) 52.39
Current children cumulated vsize (KiB) 3336

[startup+59.0251 s]
/proc/loadavg: 0.97 0.98 0.99 2/71 8918
/proc/meminfo: memFree=1816168/2055920 swapFree=4182516/4192956
[pid=8827] ppid=8825 vsize=3472 CPUtime=58.95
/proc/8827/stat : 8827 (minisat) R 8825 8827 8559 0 -1 4194304 543 0 0 0 5895 0 0 0 25 0 1 0 275924120 3555328 527 18446744073709551615 134512640 135078472 4294956704 18446744073709551615 134550582 0 0 4096 3 0 0 0 17 1 0 0
/proc/8827/statm: 868 527 73 138 0 727 0
Current children cumulated CPU time (s) 58.95
Current children cumulated vsize (KiB) 3472

[startup+60.6645 s]
/proc/loadavg: 0.97 0.98 0.99 2/71 8918
/proc/meminfo: memFree=1816168/2055920 swapFree=4182516/4192956
[pid=8827] ppid=8825 vsize=3472 CPUtime=60.58
/proc/8827/stat : 8827 (minisat) R 8825 8827 8559 0 -1 4194304 543 0 0 0 6058 0 0 0 25 0 1 0 275924120 3555328 527 18446744073709551615 134512640 135078472 4294956704 18446744073709551615 134550729 0 0 4096 3 0 0 0 17 1 0 0
/proc/8827/statm: 868 527 73 138 0 727 0
Current children cumulated CPU time (s) 60.58
Current children cumulated vsize (KiB) 3472

[startup+61.4846 s]
/proc/loadavg: 0.97 0.98 0.99 2/71 8918
/proc/meminfo: memFree=1816168/2055920 swapFree=4182516/4192956
[pid=8827] ppid=8825 vsize=3472 CPUtime=61.4
/proc/8827/stat : 8827 (minisat) R 8825 8827 8559 0 -1 4194304 545 0 0 0 6140 0 0 0 25 0 1 0 275924120 3555328 529 18446744073709551615 134512640 135078472 4294956704 18446744073709551615 134551929 0 0 4096 3 0 0 0 17 1 0 0
/proc/8827/statm: 868 529 73 138 0 727 0
Current children cumulated CPU time (s) 61.4
Current children cumulated vsize (KiB) 3472

[startup+62.3048 s]
/proc/loadavg: 0.97 0.98 0.99 2/71 8920
/proc/meminfo: memFree=1816168/2055920 swapFree=4182516/4192956
[pid=8827] ppid=8825 vsize=3472 CPUtime=62.22
/proc/8827/stat : 8827 (minisat) R 8825 8827 8559 0 -1 4194304 546 0 0 0 6222 0 0 0 25 0 1 0 275924120 3555328 530 18446744073709551615 134512640 135078472 4294956704 18446744073709551615 134552629 0 0 4096 3 0 0 0 17 1 0 0
/proc/8827/statm: 868 530 73 138 0 727 0
Current children cumulated CPU time (s) 62.22
Current children cumulated vsize (KiB) 3472

[startup+62.5088 s]
/proc/loadavg: 0.97 0.98 0.99 2/71 8920
/proc/meminfo: memFree=1816168/2055920 swapFree=4182516/4192956
[pid=8827] ppid=8825 vsize=3472 CPUtime=62.43
/proc/8827/stat : 8827 (minisat) R 8825 8827 8559 0 -1 4194304 546 0 0 0 6243 0 0 0 25 0 1 0 275924120 3555328 530 18446744073709551615 134512640 135078472 4294956704 18446744073709551615 134551032 0 0 4096 3 0 0 0 17 1 0 0
/proc/8827/statm: 868 530 73 138 0 727 0
Current children cumulated CPU time (s) 62.43
Current children cumulated vsize (KiB) 3472

[startup+62.6108 s]
/proc/loadavg: 0.97 0.98 0.99 2/71 8920
/proc/meminfo: memFree=1816168/2055920 swapFree=4182516/4192956
[pid=8827] ppid=8825 vsize=3472 CPUtime=62.53
/proc/8827/stat : 8827 (minisat) R 8825 8827 8559 0 -1 4194304 546 0 0 0 6253 0 0 0 25 0 1 0 275924120 3555328 530 18446744073709551615 134512640 135078472 4294956704 18446744073709551615 134550746 0 0 4096 3 0 0 0 17 1 0 0
/proc/8827/statm: 868 530 73 138 0 727 0
Current children cumulated CPU time (s) 62.53
Current children cumulated vsize (KiB) 3472

Child status: 0
Real time (s): 62.6483
CPU time (s): 62.5755
CPU user time (s): 62.5695
CPU system time (s): 0.005999
CPU usage (%): 99.8837
Max. virtual memory (cumulated for all children) (KiB): 3472

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 62.5695
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= 552
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= 240

runsolver used 0.06199 second user time and 0.169974 second system time

The end

Launcher Data (download as text)

Begin job on node42 on Tue Feb 27 07:01:21 UTC 2007

IDJOB= 310456
IDBENCH= 20287
IDSOLVER= 109
FILE ID= node42/310456-1172559681

PBS_JOBID= 3971877

Free space on /tmp= 66556 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/310456-1172559681/minisat /tmp/evaluation/310456-1172559681/instance-310456-1172559681.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node42/watcher-310456-1172559681 -o ROOT/results/node42/solver-310456-1172559681 -C 1200 -M 1800 --output-limit 1,15  /tmp/evaluation/310456-1172559681/minisat /tmp/evaluation/310456-1172559681/instance-310456-1172559681.cnf            

META MD5SUM SOLVER= 120abd248b069e44985635f055606c5a
MD5SUM BENCH=  e4a16dbebaf749785d32ea7331a934fc

RANDOM SEED= 432761792

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node42.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		: 3000.261
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		: 3000.261
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:       1818696 kB
Buffers:         31704 kB
Cached:         155692 kB
SwapCached:       4704 kB
Active:          95520 kB
Inactive:       103332 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1818696 kB
SwapTotal:     4192956 kB
SwapFree:      4182516 kB
Dirty:             924 kB
Writeback:           0 kB
Mapped:          16520 kB
Slab:            24008 kB
Committed_AS:   903728 kB
PageTables:       1640 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= 66556 MiB

End job on node42 on Tue Feb 27 07:02:24 UTC 2007