Trace number 3257396

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
sattime+ 2011-03-02SAT 2.49562 2.49656

General information on the benchmark

NameCRAFTED/
edgematching/all/em_8_4_5_all.cnf
MD5SUMbcbe82a00b39f246e1dc1a85b2c8371e
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark1.69974
Satisfiable
(Un)Satisfiability was proved
Number of variables2420
Number of clauses62900
Sum of the clauses size155908
Maximum clause length36
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 243724
Number of clauses of size 313968
Number of clauses of size 42628
Number of clauses of size 52460
Number of clauses of size over 5120

Solver Data

2.39/2.49	c 1296 clauses are redundant and removed
2.39/2.49	c 0 vars are fixed and 1296 clauses are removed after unit propagation
2.39/2.49	c 52 vars are fixed and 2296 clauses are removed after lookahead
2.39/2.49	c initial seed is 8647153
2.39/2.49	c try=1 flip j=1923698 walk=1721348 seed 8647170
2.39/2.49	c A solution is found
2.39/2.49	s SATISFIABLE
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2.39/2.49	v 0 
2.39/2.49	c Done (mycputime is 2 seconds)

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-3257396-1303468161/watcher-3257396-1303468161 -o /tmp/evaluation-result-3257396-1303468161/solver-3257396-1303468161 -C 2400 -W 1300 -M 7680 sattime+ HOME/instance-3257396-1303468161.cnf 8647040 

running on 2 cores: 4,6

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 2400 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 2430 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 1300 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 7864320 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 7915520 KiB
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 4.41 4.40 5.25 4/187 7849
/proc/meminfo: memFree=19755256/32951132 swapFree=67111524/67111528
[pid=7849] ppid=7847 vsize=881160 CPUtime=0 cores=4,6
/proc/7849/stat : 7849 (sattime+) R 7847 7849 7761 0 -1 4194304 348 0 0 0 0 0 0 0 25 0 1 0 458415688 902307840 292 33554432000 4194304 4228340 140734009544880 18446744073709551615 210646807237 0 0 4096 0 0 0 0 17 4 0 0 0
/proc/7849/statm: 220290 292 102 9 0 217447 0

[startup+0.088985 s]
/proc/loadavg: 4.41 4.40 5.25 4/187 7849
/proc/meminfo: memFree=19755256/32951132 swapFree=67111524/67111528
[pid=7849] ppid=7847 vsize=886304 CPUtime=0.08 cores=4,6
/proc/7849/stat : 7849 (sattime+) R 7847 7849 7761 0 -1 4202496 1982 0 0 0 8 0 0 0 25 0 1 0 458415688 907575296 1925 33554432000 4194304 4228340 140734009544880 18446744073709551615 4206744 0 0 4096 0 0 0 0 17 4 0 0 0
/proc/7849/statm: 221576 1925 104 9 0 218733 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 886304

[startup+0.100986 s]
/proc/loadavg: 4.41 4.40 5.25 4/187 7849
/proc/meminfo: memFree=19755256/32951132 swapFree=67111524/67111528
[pid=7849] ppid=7847 vsize=886304 CPUtime=0.09 cores=4,6
/proc/7849/stat : 7849 (sattime+) R 7847 7849 7761 0 -1 4202496 1982 0 0 0 9 0 0 0 25 0 1 0 458415688 907575296 1925 33554432000 4194304 4228340 140734009544880 18446744073709551615 4206714 0 0 4096 0 0 0 0 17 4 0 0 0
/proc/7849/statm: 221576 1925 104 9 0 218733 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 886304

[startup+0.300957 s]
/proc/loadavg: 4.41 4.40 5.25 4/187 7849
/proc/meminfo: memFree=19755256/32951132 swapFree=67111524/67111528
[pid=7849] ppid=7847 vsize=887100 CPUtime=0.29 cores=4,6
/proc/7849/stat : 7849 (sattime+) R 7847 7849 7761 0 -1 4202496 2496 0 0 0 29 0 0 0 25 0 1 0 458415688 908390400 2438 33554432000 4194304 4228340 140734009544880 18446744073709551615 4217653 0 0 4096 0 0 0 0 17 4 0 0 0
/proc/7849/statm: 221775 2438 116 9 0 218932 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 887100

[startup+0.700881 s]
/proc/loadavg: 4.41 4.40 5.25 4/187 7849
/proc/meminfo: memFree=19755256/32951132 swapFree=67111524/67111528
[pid=7849] ppid=7847 vsize=887100 CPUtime=0.69 cores=4,6
/proc/7849/stat : 7849 (sattime+) R 7847 7849 7761 0 -1 4202496 2496 0 0 0 69 0 0 0 25 0 1 0 458415688 908390400 2438 33554432000 4194304 4228340 140734009544880 18446744073709551615 4217315 0 0 4096 0 0 0 0 17 4 0 0 0
/proc/7849/statm: 221775 2438 116 9 0 218932 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 887100

[startup+1.50077 s]
/proc/loadavg: 4.41 4.40 5.25 5/188 7850
/proc/meminfo: memFree=19745452/32951132 swapFree=67111524/67111528
[pid=7849] ppid=7847 vsize=887100 CPUtime=1.49 cores=4,6
/proc/7849/stat : 7849 (sattime+) R 7847 7849 7761 0 -1 4202496 2496 0 0 0 149 0 0 0 25 0 1 0 458415688 908390400 2438 33554432000 4194304 4228340 140734009544880 18446744073709551615 4218926 0 0 4096 0 0 0 0 17 4 0 0 0
/proc/7849/statm: 221775 2438 116 9 0 218932 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 887100

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

[startup+1.9007 s]
/proc/loadavg: 4.41 4.40 5.25 5/188 7850
/proc/meminfo: memFree=19745452/32951132 swapFree=67111524/67111528
[pid=7849] ppid=7847 vsize=887100 CPUtime=1.89 cores=4,6
/proc/7849/stat : 7849 (sattime+) R 7847 7849 7761 0 -1 4202496 2496 0 0 0 189 0 0 0 25 0 1 0 458415688 908390400 2438 33554432000 4194304 4228340 140734009544880 18446744073709551615 4214604 0 0 4096 0 0 0 0 17 4 0 0 0
/proc/7849/statm: 221775 2438 116 9 0 218932 0
Current children cumulated CPU time (s) 1.89
Current children cumulated vsize (KiB) 887100

[startup+2.30064 s]
/proc/loadavg: 4.41 4.40 5.25 5/188 7850
/proc/meminfo: memFree=19745132/32951132 swapFree=67111524/67111528
[pid=7849] ppid=7847 vsize=887100 CPUtime=2.29 cores=4,6
/proc/7849/stat : 7849 (sattime+) R 7847 7849 7761 0 -1 4202496 2496 0 0 0 229 0 0 0 25 0 1 0 458415688 908390400 2438 33554432000 4194304 4228340 140734009544880 18446744073709551615 4217668 0 0 4096 0 0 0 0 17 4 0 0 0
/proc/7849/statm: 221775 2438 116 9 0 218932 0
Current children cumulated CPU time (s) 2.29
Current children cumulated vsize (KiB) 887100

[startup+2.40063 s]
/proc/loadavg: 4.41 4.40 5.25 5/188 7850
/proc/meminfo: memFree=19745132/32951132 swapFree=67111524/67111528
[pid=7849] ppid=7847 vsize=887100 CPUtime=2.39 cores=4,6
/proc/7849/stat : 7849 (sattime+) R 7847 7849 7761 0 -1 4202496 2496 0 0 0 239 0 0 0 25 0 1 0 458415688 908390400 2438 33554432000 4194304 4228340 140734009544880 18446744073709551615 4217278 0 0 4096 0 0 0 0 17 4 0 0 0
/proc/7849/statm: 221775 2438 116 9 0 218932 0
Current children cumulated CPU time (s) 2.39
Current children cumulated vsize (KiB) 887100

Child status: 10
Real time (s): 2.49656
CPU time (s): 2.49562
CPU user time (s): 2.49262
CPU system time (s): 0.002999
CPU usage (%): 99.9622
Max. virtual memory (cumulated for all children) (KiB): 887100

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 2.49262
system time used= 0.002999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2501
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= 7

runsolver used 0.004999 second user time and 0.013997 second system time

The end

Launcher Data

Begin job on node129 at 2011-04-22 12:29:21
IDJOB=3257396
IDBENCH=70922
IDSOLVER=1579
FILE ID=node129/3257396-1303468161
RUNJOBID= node129-1303468138-7780
PBS_JOBID= 13107190
Free space on /tmp= 66300 MiB

SOLVER NAME= sattime+ 2011-03-02
BENCH NAME= SAT09/CRAFTED/edgematching/all/em_8_4_5_all.cnf
COMMAND LINE= sattime+ BENCHNAME RANDOMSEED
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3257396-1303468161/watcher-3257396-1303468161 -o /tmp/evaluation-result-3257396-1303468161/solver-3257396-1303468161 -C 2400 -W 1300 -M 7680  sattime+ HOME/instance-3257396-1303468161.cnf 8647040

TIME LIMIT= 2400 seconds
MEMORY LIMIT= 7680 MiB
NBCORE= 2

MD5SUM BENCH= bcbe82a00b39f246e1dc1a85b2c8371e
RANDOM SEED=8647040

node129.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		: 2666.831
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		: 2666.831
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	: 5332.83
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		: 2666.831
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	: 5332.75
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		: 2666.831
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	: 5332.82
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		: 2666.831
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	: 5332.74
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		: 2666.831
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	: 5332.83
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		: 2666.831
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	: 5332.75
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		: 2666.831
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	: 5332.83
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]


/proc/meminfo:
MemTotal:     32951132 kB
MemFree:      19755288 kB
Buffers:        806252 kB
Cached:       11669352 kB
SwapCached:          4 kB
Active:        1177844 kB
Inactive:     11421044 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951132 kB
LowFree:      19755288 kB
SwapTotal:    67111528 kB
SwapFree:     67111524 kB
Dirty:           38484 kB
Writeback:           0 kB
AnonPages:      123428 kB
Mapped:          15500 kB
Slab:           531520 kB
PageTables:       5528 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587092 kB
Committed_AS:  2924972 kB
VmallocTotal: 34359738367 kB
VmallocUsed:    296000 kB
VmallocChunk: 34359440975 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66292 MiB
End job on node129 at 2011-04-22 12:29:23