Trace number 421308

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 11.1823 11.1879

General information on the benchmark

Namerandom/2+p/p0.7/v3500/
unif2p-p0.7-v3500-c9345-S1909130260-19-SAT.cnf
MD5SUM34b5792021dd848a8af4ebefee6dfe73
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.154975
Satisfiable
(Un)Satisfiability was proved
Number of variables3497
Number of clauses9344
Sum of the clauses size25229
Maximum clause length3
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 22803
Number of clauses of size 36541
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:  3500                                                 |
0.00/0.00	c |  Number of clauses:    9344                                                 |
0.00/0.01	c |  Parsing time:         0.01         s                                       |
0.00/0.03	c ============================[ Search Statistics ]==============================
0.00/0.03	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.00/0.03	c |           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
0.00/0.03	c ===============================================================================
0.00/0.03	c |         0 |    2459     7856    23912 |     2618        0    nan |  0.000 % |
0.00/0.04	c |       100 |    2459     7856    23912 |     2880       99     17 |  0.086 % |
0.05/0.06	c |       250 |    2456     7845    23882 |     3168      249     22 |  0.086 % |
0.05/0.08	c |       475 |    2456     7845    23882 |     3485      474     22 |  0.086 % |
0.09/0.12	c |       812 |    2456     7845    23882 |     3833      811     22 |  0.086 % |
0.09/0.18	c |      1318 |    2456     7845    23882 |     4217     1317     22 |  0.086 % |
0.19/0.28	c |      2077 |    2456     7845    23882 |     4639     2076     23 |  0.086 % |
0.39/0.43	c |      3217 |    2456     7845    23882 |     5103     3216     24 |  0.086 % |
0.59/0.68	c |      4926 |    2456     7845    23882 |     5613     4925     24 |  0.086 % |
1.00/1.07	c |      7488 |    2456     7845    23882 |     6174     4529     25 |  0.086 % |
1.59/1.66	c |     11332 |    2456     7845    23882 |     6792     5201     24 |  0.086 % |
2.59/2.60	c |     17098 |    2456     7845    23882 |     7471     3978     23 |  0.086 % |
3.99/4.07	c |     25747 |    2456     7845    23882 |     8218     4935     25 |  0.086 % |
6.49/6.50	c |     38722 |    2456     7845    23882 |     9040     5265     22 |  0.086 % |
10.09/10.19	c |     58183 |    2456     7845    23882 |     9944     6098     27 |  0.086 % |
11.09/11.18	c ===============================================================================
11.09/11.18	c restarts              : 15
11.09/11.18	c conflicts             : 63523          (5685 /sec)
11.09/11.18	c decisions             : 82480          (1.73 % random) (7381 /sec)
11.09/11.18	c propagations          : 18413250       (1647821 /sec)
11.09/11.18	c conflict literals     : 1741015        (39.47 % deleted)
11.09/11.18	c Memory used           : 4.50 MB
11.09/11.18	c CPU time              : 11.1743 s
11.09/11.18	c 
11.09/11.18	s SATISFIABLE
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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/node26/watcher-421308-1177502415 -o ROOT/results/node26/solver-421308-1177502415 -C 1200 -W 2400 -M 1800 --output-limit 1,15 /tmp/evaluation/421308-1177502415/minisat_noassertions /tmp/evaluation/421308-1177502415/instance-421308-1177502415.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 0.91 3/77 30145
/proc/meminfo: memFree=1558856/2055920 swapFree=4170240/4192956
[pid=30145] ppid=30143 vsize=2176 CPUtime=0
/proc/30145/stat : 30145 (minisat_noasser) R 30143 30145 28788 0 -1 4194304 244 0 0 0 0 0 0 0 18 0 1 0 198158340 2228224 230 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134683871 0 0 4096 3 0 0 0 17 1 0 0
/proc/30145/statm: 544 231 50 130 0 411 0

[startup+0.0609239 s]
/proc/loadavg: 0.92 0.98 0.91 3/77 30145
/proc/meminfo: memFree=1558856/2055920 swapFree=4170240/4192956
[pid=30145] ppid=30143 vsize=3016 CPUtime=0.05
/proc/30145/stat : 30145 (minisat_noasser) R 30143 30145 28788 0 -1 4194304 472 0 0 0 5 0 0 0 18 0 1 0 198158340 3088384 458 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134548455 0 0 4096 3 0 0 0 17 1 0 0
/proc/30145/statm: 754 458 66 130 0 621 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 3016

[startup+0.101916 s]
/proc/loadavg: 0.92 0.98 0.91 3/77 30145
/proc/meminfo: memFree=1558856/2055920 swapFree=4170240/4192956
[pid=30145] ppid=30143 vsize=3016 CPUtime=0.09
/proc/30145/stat : 30145 (minisat_noasser) R 30143 30145 28788 0 -1 4194304 472 0 0 0 9 0 0 0 18 0 1 0 198158340 3088384 458 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134546964 0 0 4096 3 0 0 0 17 1 0 0
/proc/30145/statm: 754 458 66 130 0 621 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 3016

[startup+0.301934 s]
/proc/loadavg: 0.92 0.98 0.91 3/77 30145
/proc/meminfo: memFree=1558856/2055920 swapFree=4170240/4192956
[pid=30145] ppid=30143 vsize=3016 CPUtime=0.29
/proc/30145/stat : 30145 (minisat_noasser) R 30143 30145 28788 0 -1 4194304 472 0 0 0 29 0 0 0 19 0 1 0 198158340 3088384 458 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134547143 0 0 4096 3 0 0 0 17 1 0 0
/proc/30145/statm: 754 458 66 130 0 621 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 3016

[startup+0.701972 s]
/proc/loadavg: 0.92 0.98 0.91 3/77 30145
/proc/meminfo: memFree=1558856/2055920 swapFree=4170240/4192956
[pid=30145] ppid=30143 vsize=3288 CPUtime=0.69
/proc/30145/stat : 30145 (minisat_noasser) R 30143 30145 28788 0 -1 4194304 525 0 0 0 69 0 0 0 23 0 1 0 198158340 3366912 511 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134547004 0 0 4096 3 0 0 0 17 1 0 0
/proc/30145/statm: 822 511 66 130 0 689 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 3288

[startup+1.50105 s]
/proc/loadavg: 0.92 0.98 0.91 2/78 30146
/proc/meminfo: memFree=1556864/2055920 swapFree=4170240/4192956
[pid=30145] ppid=30143 vsize=3552 CPUtime=1.49
/proc/30145/stat : 30145 (minisat_noasser) R 30143 30145 28788 0 -1 4194304 587 0 0 0 149 0 0 0 25 0 1 0 198158340 3637248 573 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134548022 0 0 4096 3 0 0 0 17 1 0 0
/proc/30145/statm: 888 573 66 130 0 755 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 3552

[startup+3.1022 s]
/proc/loadavg: 0.92 0.98 0.91 2/78 30146
/proc/meminfo: memFree=1556544/2055920 swapFree=4170240/4192956
[pid=30145] ppid=30143 vsize=3684 CPUtime=3.09
/proc/30145/stat : 30145 (minisat_noasser) R 30143 30145 28788 0 -1 4194304 632 0 0 0 309 0 0 0 25 0 1 0 198158340 3772416 618 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134547082 0 0 4096 3 0 0 0 17 1 0 0
/proc/30145/statm: 921 618 66 130 0 788 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 3684

[startup+6.30149 s]
/proc/loadavg: 0.93 0.98 0.91 2/78 30146
/proc/meminfo: memFree=1556160/2055920 swapFree=4170240/4192956
[pid=30145] ppid=30143 vsize=4080 CPUtime=6.29
/proc/30145/stat : 30145 (minisat_noasser) R 30143 30145 28788 0 -1 4194304 720 0 0 0 629 0 0 0 25 0 1 0 198158340 4177920 706 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134683871 0 0 4096 3 0 0 0 17 1 0 0
/proc/30145/statm: 1020 706 66 130 0 887 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 4080

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

[startup+9.50179 s]
/proc/loadavg: 0.93 0.98 0.91 2/78 30146
/proc/meminfo: memFree=1555656/2055920 swapFree=4170240/4192956
[pid=30145] ppid=30143 vsize=4476 CPUtime=9.49
/proc/30145/stat : 30145 (minisat_noasser) R 30143 30145 28788 0 -1 4194304 817 0 0 0 949 0 0 0 25 0 1 0 198158340 4583424 803 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134547187 0 0 4096 3 0 0 0 17 1 0 0
/proc/30145/statm: 1119 803 66 130 0 986 0
Current children cumulated CPU time (s) 9.49
Current children cumulated vsize (KiB) 4476

[startup+10.3019 s]
/proc/loadavg: 0.93 0.98 0.91 2/78 30146
/proc/meminfo: memFree=1555656/2055920 swapFree=4170240/4192956
[pid=30145] ppid=30143 vsize=4476 CPUtime=10.29
/proc/30145/stat : 30145 (minisat_noasser) R 30143 30145 28788 0 -1 4194304 829 0 0 0 1029 0 0 0 25 0 1 0 198158340 4583424 815 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134547045 0 0 4096 3 0 0 0 17 1 0 0
/proc/30145/statm: 1119 815 66 130 0 986 0
Current children cumulated CPU time (s) 10.29
Current children cumulated vsize (KiB) 4476

[startup+10.7019 s]
/proc/loadavg: 0.93 0.98 0.91 2/78 30146
/proc/meminfo: memFree=1555656/2055920 swapFree=4170240/4192956
[pid=30145] ppid=30143 vsize=4476 CPUtime=10.69
/proc/30145/stat : 30145 (minisat_noasser) R 30143 30145 28788 0 -1 4194304 829 0 0 0 1069 0 0 0 25 0 1 0 198158340 4583424 815 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134547082 0 0 4096 3 0 0 0 17 1 0 0
/proc/30145/statm: 1119 815 66 130 0 986 0
Current children cumulated CPU time (s) 10.69
Current children cumulated vsize (KiB) 4476

[startup+11.1019 s]
/proc/loadavg: 0.93 0.98 0.91 2/78 30146
/proc/meminfo: memFree=1555464/2055920 swapFree=4170240/4192956
[pid=30145] ppid=30143 vsize=4608 CPUtime=11.09
/proc/30145/stat : 30145 (minisat_noasser) R 30143 30145 28788 0 -1 4194304 848 0 0 0 1109 0 0 0 25 0 1 0 198158340 4718592 834 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134548067 0 0 4096 3 0 0 0 17 1 0 0
/proc/30145/statm: 1152 834 66 130 0 1019 0
Current children cumulated CPU time (s) 11.09
Current children cumulated vsize (KiB) 4608

Child status: 10
Real time (s): 11.1879
CPU time (s): 11.1823
CPU user time (s): 11.1753
CPU system time (s): 0.006998
CPU usage (%): 99.9499
Max. virtual memory (cumulated for all children) (KiB): 4608

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 11.1753
system time used= 0.006998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 858
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= 25

runsolver used 0.012998 second user time and 0.033994 second system time

The end

Launcher Data (download as text)

Begin job on node26 on Wed Apr 25 12:00:15 UTC 2007

IDJOB= 421308
IDBENCH= 20217
IDSOLVER= 188
FILE ID= node26/421308-1177502415

PBS_JOBID= 4685871

Free space on /tmp= 66435 MiB

SOLVER NAME= minisat SAT 2007
BENCH NAME= HOME/pub/bench/SAT07/random/2+p/p0.7/v3500/unif2p-p0.7-v3500-c9345-S1909130260-19-SAT.cnf
COMMAND LINE= /tmp/evaluation/421308-1177502415/minisat_noassertions /tmp/evaluation/421308-1177502415/instance-421308-1177502415.cnf
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node26/watcher-421308-1177502415 -o ROOT/results/node26/solver-421308-1177502415 -C 1200 -W 2400 -M 1800 --output-limit 1,15  /tmp/evaluation/421308-1177502415/minisat_noassertions /tmp/evaluation/421308-1177502415/instance-421308-1177502415.cnf

META MD5SUM SOLVER= 80cbedba287df00eb7b45eadedad758b
MD5SUM BENCH=  34b5792021dd848a8af4ebefee6dfe73

RANDOM SEED= 431141397

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node26.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		: 3000.213
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		: 3000.213
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:       1559264 kB
Buffers:         49416 kB
Cached:         316376 kB
SwapCached:       3516 kB
Active:         283748 kB
Inactive:       142972 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1559264 kB
SwapTotal:     4192956 kB
SwapFree:      4170240 kB
Dirty:            1608 kB
Writeback:           0 kB
Mapped:          68152 kB
Slab:            55448 kB
Committed_AS:  1246276 kB
PageTables:       1824 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= 66435 MiB

End job on node26 on Wed Apr 25 12:00:27 UTC 2007