Trace number 421417

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 2007SAT 30.5284 30.5404

General information on the benchmark

Namerandom/2+p/p0.8/v1665/
unif2p-p0.8-v1665-c5178-S1939769766-11-SAT.cnf
MD5SUM6a3b3e57d22696582c0456812681e53c
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.060989
Satisfiable
(Un)Satisfiability was proved
Number of variables1664
Number of clauses5177
Sum of the clauses size14496
Maximum clause length3
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 21035
Number of clauses of size 34142
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:  1665                                                 |
0.00/0.00	c |  Number of clauses:    5177                                                 |
0.00/0.00	c |  Parsing time:         0.01         s                                       |
0.00/0.01	c ============================[ Search Statistics ]==============================
0.00/0.01	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.00/0.01	c |           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
0.00/0.01	c ===============================================================================
0.00/0.01	c |         0 |    1403     4800    14422 |     1600        0    nan |  0.000 % |
0.00/0.02	c |       102 |    1403     4800    14422 |     1760      102     25 |  0.000 % |
0.00/0.03	c |       254 |    1403     4800    14422 |     1936      254     21 |  0.000 % |
0.00/0.04	c |       480 |    1403     4800    14422 |     2129      480     22 |  0.000 % |
0.00/0.07	c |       818 |    1403     4800    14422 |     2342      818     21 |  0.000 % |
0.09/0.11	c |      1324 |    1403     4800    14422 |     2576     1324     22 |  0.000 % |
0.09/0.18	c |      2083 |    1403     4800    14422 |     2834     2083     22 |  0.000 % |
0.19/0.28	c |      3222 |    1403     4800    14422 |     3117     1753     23 |  0.000 % |
0.39/0.45	c |      4930 |    1403     4800    14422 |     3429     1827     21 |  0.000 % |
0.69/0.71	c |      7493 |    1403     4800    14422 |     3772     2567     23 |  0.000 % |
1.10/1.12	c |     11338 |    1403     4800    14422 |     4149     2539     20 |  0.000 % |
1.69/1.74	c |     17104 |    1403     4800    14422 |     4564     4009     21 |  0.000 % |
2.69/2.70	c |     25753 |    1403     4800    14422 |     5021     3244     20 |  0.000 % |
4.19/4.26	c |     38728 |    1403     4800    14422 |     5523     3092     21 |  0.000 % |
6.49/6.59	c |     58189 |    1403     4800    14422 |     6075     5445     26 |  0.000 % |
10.19/10.20	c |     87381 |    1403     4800    14422 |     6683     3601     24 |  0.000 % |
15.68/15.73	c |    131170 |    1403     4800    14422 |     7351     6324     19 |  0.000 % |
24.88/24.90	c |    196854 |    1403     4800    14422 |     8087     4380     24 |  0.001 % |
30.48/30.53	c ===============================================================================
30.48/30.53	c restarts              : 18
30.48/30.53	c conflicts             : 236816         (7760 /sec)
30.48/30.53	c decisions             : 296570         (1.70 % random) (9718 /sec)
30.48/30.53	c propagations          : 42791686       (1402254 /sec)
30.48/30.53	c conflict literals     : 6213068        (39.40 % deleted)
30.48/30.53	c Memory used           : 4.14 MB
30.48/30.53	c CPU time              : 30.5164 s
30.48/30.53	c 
30.48/30.53	s SATISFIABLE
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-1649 -1650 -1651 -1652 -1653 1654 -1655 1656 -1657 -1658 -1659 -1660 1661 1662 -1663 -1664 -1665 0

Verifier Data (download as text)

OK

Watcher Data (download as text)

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

command line: runsolver --timestamp -w ROOT/results/node22/watcher-421417-1177506404 -o ROOT/results/node22/solver-421417-1177506404 -C 1200 -W 2400 -M 1800 --output-limit 1,15 /tmp/evaluation/421417-1177506404/minisat_noassertions /tmp/evaluation/421417-1177506404/instance-421417-1177506404.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: 0.92 0.98 0.97 3/77 3030
/proc/meminfo: memFree=1784712/2055920 swapFree=4163588/4192956
[pid=3030] ppid=3028 vsize=2144 CPUtime=0
/proc/3030/stat : 3030 (minisat_noasser) R 3028 3030 2689 0 -1 4194304 194 0 0 0 0 0 0 0 18 0 1 0 198558087 2195456 180 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134683871 0 0 4096 3 0 0 0 17 1 0 0
/proc/3030/statm: 536 180 50 130 0 403 0

[startup+0.101648 s]
/proc/loadavg: 0.92 0.98 0.97 3/77 3030
/proc/meminfo: memFree=1784712/2055920 swapFree=4163588/4192956
[pid=3030] ppid=3028 vsize=2372 CPUtime=0.09
/proc/3030/stat : 3030 (minisat_noasser) R 3028 3030 2689 0 -1 4194304 281 0 0 0 9 0 0 0 18 0 1 0 198558087 2428928 267 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134546870 0 0 4096 3 0 0 0 17 1 0 0
/proc/3030/statm: 593 267 66 130 0 460 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 2372

[startup+0.201656 s]
/proc/loadavg: 0.92 0.98 0.97 3/77 3030
/proc/meminfo: memFree=1784712/2055920 swapFree=4163588/4192956
[pid=3030] ppid=3028 vsize=2372 CPUtime=0.19
/proc/3030/stat : 3030 (minisat_noasser) R 3028 3030 2689 0 -1 4194304 299 0 0 0 19 0 0 0 18 0 1 0 198558087 2428928 285 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134683871 0 0 4096 3 0 0 0 17 1 0 0
/proc/3030/statm: 593 285 66 130 0 460 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 2372

[startup+0.301671 s]
/proc/loadavg: 0.92 0.98 0.97 3/77 3030
/proc/meminfo: memFree=1784712/2055920 swapFree=4163588/4192956
[pid=3030] ppid=3028 vsize=2504 CPUtime=0.29
/proc/3030/stat : 3030 (minisat_noasser) R 3028 3030 2689 0 -1 4194304 321 0 0 0 29 0 0 0 19 0 1 0 198558087 2564096 307 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134548155 0 0 4096 3 0 0 0 17 1 0 0
/proc/3030/statm: 626 307 66 130 0 493 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 2504

[startup+0.701731 s]
/proc/loadavg: 0.92 0.98 0.97 3/77 3030
/proc/meminfo: memFree=1784712/2055920 swapFree=4163588/4192956
[pid=3030] ppid=3028 vsize=2636 CPUtime=0.69
/proc/3030/stat : 3030 (minisat_noasser) R 3028 3030 2689 0 -1 4194304 358 0 0 0 69 0 0 0 23 0 1 0 198558087 2699264 344 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134546971 0 0 4096 3 0 0 0 17 1 0 0
/proc/3030/statm: 659 344 66 130 0 526 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 2636

[startup+1.50185 s]
/proc/loadavg: 0.92 0.98 0.97 2/78 3031
/proc/meminfo: memFree=1783488/2055920 swapFree=4163588/4192956
[pid=3030] ppid=3028 vsize=2768 CPUtime=1.49
/proc/3030/stat : 3030 (minisat_noasser) R 3028 3030 2689 0 -1 4194304 385 0 0 0 149 0 0 0 25 0 1 0 198558087 2834432 371 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134552997 0 0 4096 3 0 0 0 17 1 0 0
/proc/3030/statm: 692 371 66 130 0 559 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 2768

[startup+3.1011 s]
/proc/loadavg: 0.93 0.98 0.97 2/78 3031
/proc/meminfo: memFree=1783168/2055920 swapFree=4163588/4192956
[pid=3030] ppid=3028 vsize=3032 CPUtime=3.09
/proc/3030/stat : 3030 (minisat_noasser) R 3028 3030 2689 0 -1 4194304 441 0 0 0 309 0 0 0 25 0 1 0 198558087 3104768 427 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134546870 0 0 4096 3 0 0 0 17 1 0 0
/proc/3030/statm: 758 427 66 130 0 625 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 3032

[startup+6.30159 s]
/proc/loadavg: 0.93 0.98 0.97 2/78 3031
/proc/meminfo: memFree=1782720/2055920 swapFree=4163588/4192956
[pid=3030] ppid=3028 vsize=3180 CPUtime=6.29
/proc/3030/stat : 3030 (minisat_noasser) R 3028 3030 2689 0 -1 4194304 493 0 0 0 629 0 0 0 25 0 1 0 198558087 3256320 479 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134548923 0 0 4096 3 0 0 0 17 1 0 0
/proc/3030/statm: 795 479 66 130 0 662 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 3180

[startup+12.7016 s]
/proc/loadavg: 0.94 0.98 0.97 2/78 3031
/proc/meminfo: memFree=1782272/2055920 swapFree=4163588/4192956
[pid=3030] ppid=3028 vsize=3576 CPUtime=12.69
/proc/3030/stat : 3030 (minisat_noasser) R 3028 3030 2689 0 -1 4194304 578 0 0 0 1269 0 0 0 25 0 1 0 198558087 3661824 564 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134546870 0 0 4096 3 0 0 0 17 1 0 0
/proc/3030/statm: 894 564 66 130 0 761 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 3576

[startup+25.5015 s]
/proc/loadavg: 0.95 0.98 0.97 2/78 3031
/proc/meminfo: memFree=1781888/2055920 swapFree=4163588/4192956
[pid=3030] ppid=3028 vsize=4104 CPUtime=25.48
/proc/3030/stat : 3030 (minisat_noasser) R 3028 3030 2689 0 -1 4194304 718 0 0 0 2548 0 0 0 25 0 1 0 198558087 4202496 704 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134547326 0 0 4096 3 0 0 0 17 1 0 0
/proc/3030/statm: 1026 704 66 130 0 893 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 4104

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

[startup+25.6015 s]
/proc/loadavg: 0.95 0.98 0.97 2/78 3031
/proc/meminfo: memFree=1781888/2055920 swapFree=4163588/4192956
[pid=3030] ppid=3028 vsize=4104 CPUtime=25.58
/proc/3030/stat : 3030 (minisat_noasser) R 3028 3030 2689 0 -1 4194304 719 0 0 0 2558 0 0 0 25 0 1 0 198558087 4202496 705 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134551608 0 0 4096 3 0 0 0 17 1 0 0
/proc/3030/statm: 1026 705 66 130 0 893 0
Current children cumulated CPU time (s) 25.58
Current children cumulated vsize (KiB) 4104

[startup+28.802 s]
/proc/loadavg: 0.95 0.98 0.97 2/78 3031
/proc/meminfo: memFree=1781760/2055920 swapFree=4163588/4192956
[pid=3030] ppid=3028 vsize=4104 CPUtime=28.78
/proc/3030/stat : 3030 (minisat_noasser) R 3028 3030 2689 0 -1 4194304 728 0 0 0 2878 0 0 0 25 0 1 0 198558087 4202496 714 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134548205 0 0 4096 3 0 0 0 17 1 0 0
/proc/3030/statm: 1026 714 66 130 0 893 0
Current children cumulated CPU time (s) 28.78
Current children cumulated vsize (KiB) 4104

[startup+29.6011 s]
/proc/loadavg: 0.95 0.98 0.97 2/78 3031
/proc/meminfo: memFree=1781760/2055920 swapFree=4163588/4192956
[pid=3030] ppid=3028 vsize=4236 CPUtime=29.58
/proc/3030/stat : 3030 (minisat_noasser) R 3028 3030 2689 0 -1 4194304 740 0 0 0 2958 0 0 0 25 0 1 0 198558087 4337664 726 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134547037 0 0 4096 3 0 0 0 17 1 0 0
/proc/3030/statm: 1059 726 66 130 0 926 0
Current children cumulated CPU time (s) 29.58
Current children cumulated vsize (KiB) 4236

[startup+30.0012 s]
/proc/loadavg: 0.95 0.98 0.97 2/78 3031
/proc/meminfo: memFree=1781696/2055920 swapFree=4163588/4192956
[pid=3030] ppid=3028 vsize=4236 CPUtime=29.98
/proc/3030/stat : 3030 (minisat_noasser) R 3028 3030 2689 0 -1 4194304 740 0 0 0 2998 0 0 0 25 0 1 0 198558087 4337664 726 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134547143 0 0 4096 3 0 0 0 17 1 0 0
/proc/3030/statm: 1059 726 66 130 0 926 0
Current children cumulated CPU time (s) 29.98
Current children cumulated vsize (KiB) 4236

[startup+30.4023 s]
/proc/loadavg: 0.95 0.98 0.97 2/78 3031
/proc/meminfo: memFree=1781696/2055920 swapFree=4163588/4192956
[pid=3030] ppid=3028 vsize=4236 CPUtime=30.38
/proc/3030/stat : 3030 (minisat_noasser) R 3028 3030 2689 0 -1 4194304 749 0 0 0 3038 0 0 0 25 0 1 0 198558087 4337664 735 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134547320 0 0 4096 3 0 0 0 17 1 0 0
/proc/3030/statm: 1059 735 66 130 0 926 0
Current children cumulated CPU time (s) 30.38
Current children cumulated vsize (KiB) 4236

[startup+30.5023 s]
/proc/loadavg: 0.95 0.98 0.97 2/78 3031
/proc/meminfo: memFree=1781696/2055920 swapFree=4163588/4192956
[pid=3030] ppid=3028 vsize=4236 CPUtime=30.48
/proc/3030/stat : 3030 (minisat_noasser) R 3028 3030 2689 0 -1 4194304 751 0 0 0 3048 0 0 0 25 0 1 0 198558087 4337664 737 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134547020 0 0 4096 3 0 0 0 17 1 0 0
/proc/3030/statm: 1059 737 66 130 0 926 0
Current children cumulated CPU time (s) 30.48
Current children cumulated vsize (KiB) 4236

Child status: 10
Real time (s): 30.5404
CPU time (s): 30.5284
CPU user time (s): 30.5174
CPU system time (s): 0.010998
CPU usage (%): 99.9606
Max. virtual memory (cumulated for all children) (KiB): 4236

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 30.5174
system time used= 0.010998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 757
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= 657

runsolver used 0.025996 second user time and 0.066989 second system time

The end

Launcher Data (download as text)

Begin job on node22 on Wed Apr 25 13:06:44 UTC 2007

IDJOB= 421417
IDBENCH= 20340
IDSOLVER= 188
FILE ID= node22/421417-1177506404

PBS_JOBID= 4685889

Free space on /tmp= 66498 MiB

SOLVER NAME= minisat SAT 2007
BENCH NAME= HOME/pub/bench/SAT07/random/2+p/p0.8/v1665/unif2p-p0.8-v1665-c5178-S1939769766-11-SAT.cnf
COMMAND LINE= /tmp/evaluation/421417-1177506404/minisat_noassertions /tmp/evaluation/421417-1177506404/instance-421417-1177506404.cnf
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node22/watcher-421417-1177506404 -o ROOT/results/node22/solver-421417-1177506404 -C 1200 -W 2400 -M 1800 --output-limit 1,15  /tmp/evaluation/421417-1177506404/minisat_noassertions /tmp/evaluation/421417-1177506404/instance-421417-1177506404.cnf

META MD5SUM SOLVER= 80cbedba287df00eb7b45eadedad758b
MD5SUM BENCH=  6a3b3e57d22696582c0456812681e53c

RANDOM SEED= 622094215

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node22.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		: 3000.265
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		: 3000.265
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:       1785056 kB
Buffers:         37552 kB
Cached:         134824 kB
SwapCached:       7892 kB
Active:         131424 kB
Inactive:        85892 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1785056 kB
SwapTotal:     4192956 kB
SwapFree:      4163588 kB
Dirty:            1648 kB
Writeback:           0 kB
Mapped:          51308 kB
Slab:            39096 kB
Committed_AS:  1975620 kB
PageTables:       1732 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= 66498 MiB

End job on node22 on Wed Apr 25 13:07:15 UTC 2007