Trace number 421517

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 282.718 282.791

General information on the benchmark

Namecrafted/spence/
medium/s85-100.cnf
MD5SUM0fa13b4cd7cac4108d58b524e7bb4ec3
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark222.297
Satisfiable
(Un)Satisfiability was proved
Number of variables85
Number of clauses180
Sum of the clauses size540
Maximum clause length3
Minimum clause length3
Number of clauses of size 10
Number of clauses of size 20
Number of clauses of size 3180
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:  85                                                   |
0.00/0.00	c |  Number of clauses:    180                                                  |
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 |      85      180      540 |       60        0    nan |  0.000 % |
0.00/0.00	c |       102 |      85      180      540 |       66       58     13 |  0.014 % |
0.00/0.00	c |       252 |      85      180      540 |       72       58     10 |  0.014 % |
0.00/0.00	c |       477 |      85      180      540 |       79       77     10 |  0.014 % |
0.00/0.01	c |       814 |      85      180      540 |       87      104     12 |  0.014 % |
0.00/0.01	c |      1320 |      85      180      540 |       96      101     11 |  0.014 % |
0.02/0.02	c |      2079 |      85      180      540 |      106      129     13 |  0.014 % |
0.02/0.04	c |      3220 |      85      180      540 |      116      100     10 |  0.014 % |
0.02/0.06	c |      4928 |      85      180      540 |      128       93     10 |  0.014 % |
0.02/0.10	c |      7491 |      85      180      540 |      141      152     10 |  0.014 % |
0.09/0.15	c |     11335 |      85      180      540 |      155      125     10 |  0.014 % |
0.19/0.23	c |     17101 |      85      180      540 |      171      122     10 |  0.014 % |
0.29/0.35	c |     25750 |      85      180      540 |      188      198     13 |  0.014 % |
0.49/0.53	c |     38724 |      85      180      540 |      207      203     11 |  0.014 % |
0.79/0.82	c |     58186 |      85      180      540 |      227      150     10 |  0.014 % |
1.19/1.24	c |     87378 |      85      180      540 |      250      194     11 |  0.014 % |
1.79/1.88	c |    131167 |      85      180      540 |      275      242     12 |  0.014 % |
2.79/2.81	c |    196851 |      85      180      540 |      303      202     10 |  0.014 % |
4.19/4.27	c |    295377 |      85      180      540 |      333      184      9 |  0.014 % |
6.50/6.54	c |    443169 |      85      180      540 |      366      354     13 |  0.014 % |
9.90/9.92	c |    664853 |      85      180      540 |      403      276     10 |  0.014 % |
14.99/15.06	c |    997378 |      85      180      540 |      444      354     11 |  0.014 % |
22.99/23.05	c |   1496166 |      85      180      540 |      488      264     10 |  0.014 % |
35.88/35.97	c |   2244349 |      85      180      540 |      537      447     12 |  0.014 % |
54.98/55.07	c |   3366625 |      85      180      540 |      590      532     12 |  0.014 % |
83.87/83.97	c |   5050036 |      85      180      540 |      650      398     11 |  0.014 % |
129.96/130.07	c |   7575153 |      85      180      540 |      715      669     12 |  0.014 % |
198.44/198.51	c |  11362830 |      85      180      540 |      786      526     10 |  0.042 % |
282.62/282.78	c ===============================================================================
282.62/282.78	c restarts              : 28
282.62/282.78	c conflicts             : 15947965       (56411 /sec)
282.62/282.78	c decisions             : 19282731       (1.60 % random) (68207 /sec)
282.62/282.78	c propagations          : 377666476      (1335889 /sec)
282.62/282.78	c conflict literals     : 227166305      (15.15 % deleted)
282.62/282.78	c Memory used           : 1.94 MB
282.62/282.78	c CPU time              : 282.708 s
282.62/282.78	c 
282.62/282.78	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/node44/watcher-421517-1177492806 -o ROOT/results/node44/solver-421517-1177492806 -C 1200 -W 2400 -M 1800 --output-limit 1,15 /tmp/evaluation/421517-1177492806/minisat_noassertions /tmp/evaluation/421517-1177492806/instance-421517-1177492806.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: 0.85 0.93 0.85 3/77 834
/proc/meminfo: memFree=1576896/2055920 swapFree=4156148/4192956
[pid=834] ppid=832 vsize=1720 CPUtime=0
/proc/834/stat : 834 (minisat_noasser) R 832 834 32737 0 -1 4194304 99 0 0 0 0 0 0 0 18 0 1 0 197192307 1761280 85 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134546820 0 0 4096 3 0 0 0 17 1 0 0
/proc/834/statm: 430 85 66 130 0 297 0

[startup+0.0233581 s]
/proc/loadavg: 0.85 0.93 0.85 3/77 834
/proc/meminfo: memFree=1576896/2055920 swapFree=4156148/4192956
[pid=834] ppid=832 vsize=1720 CPUtime=0.02
/proc/834/stat : 834 (minisat_noasser) R 832 834 32737 0 -1 4194304 101 0 0 0 2 0 0 0 18 0 1 0 197192307 1761280 87 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134547017 0 0 4096 3 0 0 0 17 1 0 0
/proc/834/statm: 430 87 66 130 0 297 0
Current children cumulated CPU time (s) 0.02
Current children cumulated vsize (KiB) 1720

[startup+0.101365 s]
/proc/loadavg: 0.85 0.93 0.85 3/77 834
/proc/meminfo: memFree=1576896/2055920 swapFree=4156148/4192956
[pid=834] ppid=832 vsize=1720 CPUtime=0.09
/proc/834/stat : 834 (minisat_noasser) R 832 834 32737 0 -1 4194304 101 0 0 0 9 0 0 0 18 0 1 0 197192307 1761280 87 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134546842 0 0 4096 3 0 0 0 17 1 0 0
/proc/834/statm: 430 87 66 130 0 297 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 1720

[startup+0.301386 s]
/proc/loadavg: 0.85 0.93 0.85 3/77 834
/proc/meminfo: memFree=1576896/2055920 swapFree=4156148/4192956
[pid=834] ppid=832 vsize=1720 CPUtime=0.29
/proc/834/stat : 834 (minisat_noasser) R 832 834 32737 0 -1 4194304 103 0 0 0 29 0 0 0 19 0 1 0 197192307 1761280 89 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134552791 0 0 4096 3 0 0 0 17 1 0 0
/proc/834/statm: 430 89 66 130 0 297 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 1720

[startup+0.701427 s]
/proc/loadavg: 0.85 0.93 0.85 3/77 834
/proc/meminfo: memFree=1576896/2055920 swapFree=4156148/4192956
[pid=834] ppid=832 vsize=1720 CPUtime=0.69
/proc/834/stat : 834 (minisat_noasser) R 832 834 32737 0 -1 4194304 107 0 0 0 69 0 0 0 23 0 1 0 197192307 1761280 93 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134547273 0 0 4096 3 0 0 0 17 1 0 0
/proc/834/statm: 430 93 66 130 0 297 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 1720

[startup+1.50151 s]
/proc/loadavg: 0.85 0.93 0.85 2/78 835
/proc/meminfo: memFree=1576696/2055920 swapFree=4156148/4192956
[pid=834] ppid=832 vsize=1720 CPUtime=1.49
/proc/834/stat : 834 (minisat_noasser) R 832 834 32737 0 -1 4194304 111 0 0 0 149 0 0 0 25 0 1 0 197192307 1761280 97 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134546937 0 0 4096 3 0 0 0 17 1 0 0
/proc/834/statm: 430 97 66 130 0 297 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 1720

[startup+3.10167 s]
/proc/loadavg: 0.85 0.93 0.85 2/78 835
/proc/meminfo: memFree=1576568/2055920 swapFree=4156148/4192956
[pid=834] ppid=832 vsize=1720 CPUtime=3.09
/proc/834/stat : 834 (minisat_noasser) R 832 834 32737 0 -1 4194304 115 0 0 0 309 0 0 0 25 0 1 0 197192307 1761280 101 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134551665 0 0 4096 3 0 0 0 17 1 0 0
/proc/834/statm: 430 101 66 130 0 297 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 1720

[startup+6.302 s]
/proc/loadavg: 0.86 0.93 0.85 2/78 835
/proc/meminfo: memFree=1576440/2055920 swapFree=4156148/4192956
[pid=834] ppid=832 vsize=1720 CPUtime=6.29
/proc/834/stat : 834 (minisat_noasser) R 832 834 32737 0 -1 4194304 120 0 0 0 629 0 0 0 25 0 1 0 197192307 1761280 106 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134547011 0 0 4096 3 0 0 0 17 1 0 0
/proc/834/statm: 430 106 66 130 0 297 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 1720

[startup+12.7017 s]
/proc/loadavg: 0.87 0.93 0.85 2/78 835
/proc/meminfo: memFree=1576384/2055920 swapFree=4156148/4192956
[pid=834] ppid=832 vsize=1852 CPUtime=12.69
/proc/834/stat : 834 (minisat_noasser) R 832 834 32737 0 -1 4194304 124 0 0 0 1269 0 0 0 25 0 1 0 197192307 1896448 110 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134547320 0 0 4096 3 0 0 0 17 1 0 0
/proc/834/statm: 463 110 66 130 0 330 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 1852

[startup+25.502 s]
/proc/loadavg: 0.90 0.93 0.85 2/78 835
/proc/meminfo: memFree=1576320/2055920 swapFree=4156148/4192956
[pid=834] ppid=832 vsize=1852 CPUtime=25.49
/proc/834/stat : 834 (minisat_noasser) R 832 834 32737 0 -1 4194304 132 0 0 0 2549 0 0 0 25 0 1 0 197192307 1896448 118 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134547004 0 0 4096 3 0 0 0 17 1 0 0
/proc/834/statm: 463 118 66 130 0 330 0
Current children cumulated CPU time (s) 25.49
Current children cumulated vsize (KiB) 1852

[startup+51.1016 s]
/proc/loadavg: 0.93 0.94 0.86 2/78 835
/proc/meminfo: memFree=1576256/2055920 swapFree=4156148/4192956
[pid=834] ppid=832 vsize=1852 CPUtime=51.08
/proc/834/stat : 834 (minisat_noasser) R 832 834 32737 0 -1 4194304 142 0 0 0 5108 0 0 0 25 0 1 0 197192307 1896448 128 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134551608 0 0 4096 3 0 0 0 17 1 0 0
/proc/834/statm: 463 128 66 130 0 330 0
Current children cumulated CPU time (s) 51.08
Current children cumulated vsize (KiB) 1852

[startup+102.306 s]
/proc/loadavg: 0.97 0.94 0.86 2/78 835
/proc/meminfo: memFree=1576192/2055920 swapFree=4156148/4192956
[pid=834] ppid=832 vsize=1852 CPUtime=102.27
/proc/834/stat : 834 (minisat_noasser) R 832 834 32737 0 -1 4194304 154 0 0 0 10227 0 0 0 25 0 1 0 197192307 1896448 140 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134546842 0 0 4096 3 0 0 0 17 1 0 0
/proc/834/statm: 463 140 66 130 0 330 0
Current children cumulated CPU time (s) 102.27
Current children cumulated vsize (KiB) 1852

[startup+162.302 s]
/proc/loadavg: 0.99 0.95 0.87 3/78 835
/proc/meminfo: memFree=1576128/2055920 swapFree=4156148/4192956
[pid=834] ppid=832 vsize=1984 CPUtime=162.25
/proc/834/stat : 834 (minisat_noasser) R 832 834 32737 0 -1 4194304 162 0 0 0 16225 0 0 0 25 0 1 0 197192307 2031616 148 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134553156 0 0 4096 3 0 0 0 17 1 0 0
/proc/834/statm: 496 148 66 130 0 363 0
Current children cumulated CPU time (s) 162.25
Current children cumulated vsize (KiB) 1984

[startup+222.301 s]
/proc/loadavg: 0.99 0.96 0.87 2/78 835
/proc/meminfo: memFree=1576064/2055920 swapFree=4156148/4192956
[pid=834] ppid=832 vsize=1984 CPUtime=222.23
/proc/834/stat : 834 (minisat_noasser) R 832 834 32737 0 -1 4194304 169 0 0 0 22223 0 0 0 25 0 1 0 197192307 2031616 155 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134547004 0 0 4096 3 0 0 0 17 1 0 0
/proc/834/statm: 496 155 66 130 0 363 0
Current children cumulated CPU time (s) 222.23
Current children cumulated vsize (KiB) 1984

[startup+282.301 s]
/proc/loadavg: 0.99 0.96 0.88 2/78 835
/proc/meminfo: memFree=1576064/2055920 swapFree=4156148/4192956
[pid=834] ppid=832 vsize=1984 CPUtime=282.22
/proc/834/stat : 834 (minisat_noasser) R 832 834 32737 0 -1 4194304 174 0 0 0 28222 0 0 0 25 0 1 0 197192307 2031616 160 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134546870 0 0 4096 3 0 0 0 17 1 0 0
/proc/834/statm: 496 160 66 130 0 363 0
Current children cumulated CPU time (s) 282.22
Current children cumulated vsize (KiB) 1984

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

[startup+282.705 s]
/proc/loadavg: 0.99 0.96 0.88 2/78 835
/proc/meminfo: memFree=1576064/2055920 swapFree=4156148/4192956
[pid=834] ppid=832 vsize=1984 CPUtime=282.62
/proc/834/stat : 834 (minisat_noasser) R 832 834 32737 0 -1 4194304 174 0 0 0 28262 0 0 0 25 0 1 0 197192307 2031616 160 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134546864 0 0 4096 3 0 0 0 17 1 0 0
/proc/834/statm: 496 160 66 130 0 363 0
Current children cumulated CPU time (s) 282.62
Current children cumulated vsize (KiB) 1984

Child status: 20
Real time (s): 282.791
CPU time (s): 282.718
CPU user time (s): 282.708
CPU system time (s): 0.009998
CPU usage (%): 99.9744
Max. virtual memory (cumulated for all children) (KiB): 1984

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 282.708
system time used= 0.009998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 180
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= 562

runsolver used 0.215967 second user time and 0.635903 second system time

The end

Launcher Data (download as text)

Begin job on node44 on Wed Apr 25 09:20:06 UTC 2007

IDJOB= 421517
IDBENCH= 20440
IDSOLVER= 188
FILE ID= node44/421517-1177492806

PBS_JOBID= 4685780

Free space on /tmp= 66414 MiB

SOLVER NAME= minisat SAT 2007
BENCH NAME= HOME/pub/bench/SAT07/crafted/spence/medium/s85-100.cnf
COMMAND LINE= /tmp/evaluation/421517-1177492806/minisat_noassertions /tmp/evaluation/421517-1177492806/instance-421517-1177492806.cnf
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node44/watcher-421517-1177492806 -o ROOT/results/node44/solver-421517-1177492806 -C 1200 -W 2400 -M 1800 --output-limit 1,15  /tmp/evaluation/421517-1177492806/minisat_noassertions /tmp/evaluation/421517-1177492806/instance-421517-1177492806.cnf

META MD5SUM SOLVER= 80cbedba287df00eb7b45eadedad758b
MD5SUM BENCH=  0fa13b4cd7cac4108d58b524e7bb4ec3

RANDOM SEED= 696349678

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node44.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		: 3000.234
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		: 3000.234
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:       1577304 kB
Buffers:         51988 kB
Cached:         331260 kB
SwapCached:      14144 kB
Active:         232204 kB
Inactive:       175764 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1577304 kB
SwapTotal:     4192956 kB
SwapFree:      4156148 kB
Dirty:            1512 kB
Writeback:           0 kB
Mapped:          32608 kB
Slab:            56176 kB
Committed_AS:  1464332 kB
PageTables:       1736 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= 66414 MiB

End job on node44 on Wed Apr 25 09:24:49 UTC 2007