Trace number 3276164

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. The first timestamp (if present) is estimated CPU time. The last timestamp is wall clock 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
SAT07 reference solver: minisat SAT 2007SAT 0.337948 0.338989

General information on the benchmark

NameSAT05/crafted/sorge05/QG7a/
gensys-brn002.shuffled-as.sat05-3935.cnf
MD5SUMeda2d1e7d2975da4e019beddc323767b
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.337948
Satisfiable
(Un)Satisfiability was proved
Number of variables2401
Number of clauses15897
Sum of the clauses size111804
Maximum clause length13
Minimum clause length1
Number of clauses of size 135
Number of clauses of size 2385
Number of clauses of size 32205
Number of clauses of size 4294
Number of clauses of size 5441
Number of clauses of size over 512537

Solver Data

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:  2401                                                 |
0.00/0.00	c |  Number of clauses:    15897                                                |
0.00/0.01	c |  Parsing time:         0.02         s                                       |
0.04/0.08	c ============================[ Search Statistics ]==============================
0.04/0.08	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.04/0.08	c |           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
0.04/0.08	c ===============================================================================
0.04/0.08	c |         0 |    1832    10143    64555 |     3381        0    nan |  0.000 % |
0.04/0.08	c |       100 |    1832    10143    64555 |     3719      100     14 |  2.374 % |
0.04/0.08	c |       251 |    1832    10143    64555 |     4091      251     15 |  2.374 % |
0.04/0.09	c |       477 |    1832    10143    64555 |     4500      477     14 |  2.374 % |
0.04/0.09	c |       815 |    1832    10143    64555 |     4950      815     13 |  2.374 % |
0.10/0.10	c |      1322 |    1832    10143    64555 |     5445     1322     13 |  2.374 % |
0.10/0.11	c |      2081 |    1832    10143    64555 |     5989     2081     14 |  2.374 % |
0.10/0.12	c |      3220 |    1832    10143    64555 |     6588     3220     14 |  2.374 % |
0.10/0.16	c |      4929 |    1832    10143    64555 |     7247     4929     14 |  2.374 % |
0.20/0.22	c |      7491 |    1832    10143    64555 |     7972     7491     15 |  2.374 % |
0.30/0.33	c ===============================================================================
0.30/0.33	c restarts              : 10
0.30/0.33	c conflicts             : 11157          (33014 /sec)
0.30/0.33	c decisions             : 33432          (1.95 % random) (98926 /sec)
0.30/0.33	c propagations          : 389389         (1152216 /sec)
0.30/0.33	c conflict literals     : 192926         (15.12 % deleted)
0.30/0.33	c Memory used           : 3.75 MB
0.30/0.33	c CPU time              : 0.337948 s
0.30/0.33	c 
0.30/0.33	s SATISFIABLE
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Verifier Data

OK

Watcher Data

runsolver Copyright (C) 2010-2011 Olivier ROUSSEL

This is runsolver version 3.3.0 (svn: 935)

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-3276164-1303666301/watcher-3276164-1303666301 -o /tmp/evaluation-result-3276164-1303666301/solver-3276164-1303666301 -C 5000 -W 5100 -M 15500 --output-limit 1,15 HOME/minisat_noassertions HOME/instance-3276164-1303666301.cnf 

running on 4 cores: 1,3,5,7

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): 5100 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 15872000 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 15923200 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: 1.77 1.95 1.98 2/181 22772
/proc/meminfo: memFree=19498216/32951124 swapFree=67111528/67111528
[pid=22772] ppid=22770 vsize=2456 CPUtime=0 cores=1,3,5,7
/proc/22772/stat : 22772 (minisat_noasser) R 22770 22772 22734 0 -1 4202496 429 0 0 0 0 0 0 0 25 0 1 0 478228253 2514944 385 33554432000 134512640 135048876 4289209520 18446744073709551615 134683871 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/22772/statm: 614 385 50 131 0 481 0

[startup+0.049051 s]
/proc/loadavg: 1.77 1.95 1.98 2/181 22772
/proc/meminfo: memFree=19498216/32951124 swapFree=67111528/67111528
[pid=22772] ppid=22770 vsize=3704 CPUtime=0.04 cores=1,3,5,7
/proc/22772/stat : 22772 (minisat_noasser) R 22770 22772 22734 0 -1 4202496 751 0 0 0 4 0 0 0 25 0 1 0 478228253 3792896 707 33554432000 134512640 135048876 4289209520 18446744073709551615 134521202 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/22772/statm: 926 707 62 131 0 793 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 3704

[startup+0.101031 s]
/proc/loadavg: 1.77 1.95 1.98 2/181 22772
/proc/meminfo: memFree=19498216/32951124 swapFree=67111528/67111528
[pid=22772] ppid=22770 vsize=3836 CPUtime=0.1 cores=1,3,5,7
/proc/22772/stat : 22772 (minisat_noasser) R 22770 22772 22734 0 -1 4202496 839 0 0 0 10 0 0 0 25 0 1 0 478228253 3928064 754 33554432000 134512640 135048876 4289209520 18446744073709551615 134546862 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/22772/statm: 959 754 66 131 0 826 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 3836

[startup+0.300992 s]
/proc/loadavg: 1.77 1.95 1.98 2/181 22772
/proc/meminfo: memFree=19498216/32951124 swapFree=67111528/67111528
[pid=22772] ppid=22770 vsize=3836 CPUtime=0.3 cores=1,3,5,7
/proc/22772/stat : 22772 (minisat_noasser) R 22770 22772 22734 0 -1 4202496 839 0 0 0 30 0 0 0 25 0 1 0 478228253 3928064 754 33554432000 134512640 135048876 4289209520 18446744073709551615 134548409 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/22772/statm: 959 754 66 131 0 826 0
Current children cumulated CPU time (s) 0.3
Current children cumulated vsize (KiB) 3836

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

Child status: 10
Real time (s): 0.338989
CPU time (s): 0.337948
CPU user time (s): 0.337948
CPU system time (s): 0
CPU usage (%): 99.6929
Max. virtual memory (cumulated for all children) (KiB): 3836

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.337948
system time used= 0
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 848
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= 2
involuntary context switches= 2

runsolver used 0.000999 second user time and 0.005999 second system time

The end

Launcher Data

Begin job on node132 at 2011-04-24 19:31:41
IDJOB=3276164
IDBENCH=85786
IDSOLVER=1678
FILE ID=node132/3276164-1303666301
RUNJOBID= node132-1303666301-22753
PBS_JOBID= 13150755
Free space on /tmp= 72108 MiB

SOLVER NAME= SAT07 reference solver: minisat SAT 2007
BENCH NAME= SAT05/crafted/sorge05/QG7a/gensys-brn002.shuffled-as.sat05-3935.cnf
COMMAND LINE= HOME/minisat_noassertions BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3276164-1303666301/watcher-3276164-1303666301 -o /tmp/evaluation-result-3276164-1303666301/solver-3276164-1303666301 -C 5000 -W 5100 -M 15500 --output-limit 1,15  HOME/minisat_noassertions HOME/instance-3276164-1303666301.cnf

TIME LIMIT= 5000 seconds
MEMORY LIMIT= 15500 MiB
NBCORE= 4

MD5SUM BENCH= eda2d1e7d2975da4e019beddc323767b
RANDOM SEED=1938594911

node132.alineos.net Linux 2.6.18-164.el5 #1 SMP Thu Sep 3 03:28:30 EDT 2009

/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.833
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 0
cpu cores	: 4
apicid		: 0
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5333.66
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.833
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 0
cpu cores	: 4
apicid		: 16
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.74
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 2
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.833
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 1
cpu cores	: 4
apicid		: 2
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.76
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 3
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.833
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 1
cpu cores	: 4
apicid		: 18
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.75
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 4
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.833
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 2
cpu cores	: 4
apicid		: 4
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.77
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 5
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.833
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 2
cpu cores	: 4
apicid		: 20
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.67
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 6
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.833
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 3
cpu cores	: 4
apicid		: 6
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.82
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 7
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.833
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 3
cpu cores	: 4
apicid		: 22
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.75
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]


/proc/meminfo:
MemTotal:     32951124 kB
MemFree:      19498488 kB
Buffers:       1611972 kB
Cached:       11226980 kB
SwapCached:          0 kB
Active:        2816500 kB
Inactive:     10087384 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951124 kB
LowFree:      19498488 kB
SwapTotal:    67111528 kB
SwapFree:     67111528 kB
Dirty:            3712 kB
Writeback:           0 kB
AnonPages:       65344 kB
Mapped:          14732 kB
Slab:           483920 kB
PageTables:       5148 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587088 kB
Committed_AS:   209440 kB
VmallocTotal: 34359738367 kB
VmallocUsed:     33868 kB
VmallocChunk: 34359703231 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 72108 MiB
End job on node132 at 2011-04-24 19:31:41