Trace number 3321761

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
borg-sat 11.03.02-randomSAT 2.75758 1.43484

General information on the benchmark

Namerandom/large/
unif-k3-r4.2-v2500-c10500-S1300417189-038-UNKNOWN.cnf
MD5SUM0ed8ade65938c7fcf06ab054c90e3de3
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.156975
Satisfiable
(Un)Satisfiability was proved
Number of variables2500
Number of clauses10500
Sum of the clauses size31500
Maximum clause length3
Minimum clause length3
Number of clauses of size 10
Number of clauses of size 20
Number of clauses of size 310500
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data

0.37/0.64	c INFO: loaded portfolio from HOME/etc/borg-mix+class.random.pickle
0.37/0.64	c INFO: solving HOME/instance-3321761-1304366673.cnf
0.37/0.64	c INFO: computing task features
0.37/0.67	c INFO: computed variable-clause graph statistics
0.37/0.67	c INFO: computed clause balance statistics
0.55/0.86	c INFO: computed variable balance statistics
0.65/1.00	c INFO: computed small-clause counts
0.75/1.01	c INFO: computed Horn-clause counts
0.75/1.02	c INFO: computed variable graph statistics
0.75/1.02	c INFO: collected features for HOME/instance-3321761-1304366673.cnf in 0.38 s
0.75/1.06	c INFO: running hybridGM3@0 for 97 with 39999 remaining (b = 0.61)
0.75/1.10	c INFO: running TNM@0 for 97 with 39999 remaining (b = 0.30)
0.86/1.14	c INFO: running hybridGM3@0 for 97 with 39999 remaining (b = 0.18)
0.86/1.17	c INFO: running hybridGM3@0 for 97 with 39999 remaining (b = 0.11)
0.95/1.21	c INFO: running gnovelty+2@0 for 97 with 39999 remaining (b = 0.08)
0.95/1.25	c INFO: running hybridGM3@0 for 97 with 39999 remaining (b = 0.08)
0.95/1.29	c INFO: running hybridGM3@0 for 97 with 39999 remaining (b = 0.05)
1.04/1.33	c INFO: running gnovelty+2@0 for 97 with 39999 remaining (b = 0.05)
1.07/1.41	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-3321761-1304366673/watcher-3321761-1304366673 -o /tmp/evaluation-result-3321761-1304366673/solver-3321761-1304366673 -C 40000 -W 5100 -M 31000 python HOME/solve HOME/etc/borg-mix+class.random.pickle HOME/instance-3321761-1304366673.cnf -seed 1989211663 -budget 40000 -cores 8 

running on 8 cores: 0,2,4,6,1,3,5,7

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 40000 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 40030 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 5100 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 31744000 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 31795200 KiB
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 7.92 3.80 1.62 1/245 2576
/proc/meminfo: memFree=27933964/32951132 swapFree=65145212/67111528
[pid=2576] ppid=2574 vsize=15184 CPUtime=0 cores=0-7
/proc/2576/stat : 2576 (python) R 2574 2576 2328 0 -1 4202496 696 0 0 0 0 0 0 0 25 0 1 0 548266965 15548416 588 33554432000 4194304 5683644 140734270332288 18446744073709551615 4540219 0 0 16781312 2 0 0 0 17 2 0 0 0
/proc/2576/statm: 3796 593 320 364 0 283 0

[startup+0.065019 s]
/proc/loadavg: 7.92 3.80 1.62 1/245 2576
/proc/meminfo: memFree=27933964/32951132 swapFree=65145212/67111528
[pid=2576] ppid=2574 vsize=45812 CPUtime=0.04 cores=0-7
/proc/2576/stat : 2576 (python) S 2574 2576 2328 0 -1 4202496 1928 0 0 0 3 1 0 0 17 0 1 0 548266965 46911488 1700 33554432000 4194304 5683644 140734270332288 18446744073709551615 210647144448 0 2147483391 16781312 2 18446744071699109054 0 0 17 7 0 0 0
/proc/2576/statm: 11453 1700 470 364 0 1202 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 45812

[startup+0.102043 s]
/proc/loadavg: 7.92 3.80 1.62 1/245 2576
/proc/meminfo: memFree=27933964/32951132 swapFree=65145212/67111528
[pid=2576] ppid=2574 vsize=102008 CPUtime=0.07 cores=0-7
/proc/2576/stat : 2576 (python) S 2574 2576 2328 0 -1 4202496 3008 0 0 0 5 2 0 0 17 0 1 0 548266965 104456192 2700 33554432000 4194304 5683644 140734270332288 18446744073709551615 210647144448 0 2147483391 16781312 2 18446744071699109054 0 0 17 7 0 0 0
/proc/2576/statm: 25502 2700 841 364 0 1802 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 102008

[startup+0.300963 s]
/proc/loadavg: 7.92 3.80 1.62 1/245 2576
/proc/meminfo: memFree=27933964/32951132 swapFree=65145212/67111528
[pid=2576] ppid=2574 vsize=135748 CPUtime=0.19 cores=0-7
/proc/2576/stat : 2576 (python) S 2574 2576 2328 0 -1 4202496 5964 934 1 0 15 4 0 0 18 0 1 0 548266965 139005952 4151 33554432000 4194304 5683644 140734270332288 18446744073709551615 210647142405 0 2147483391 16781312 2 0 0 0 17 7 0 0 0
/proc/2576/statm: 33937 4151 1032 364 0 3123 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 135748

[startup+0.700894 s]
/proc/loadavg: 7.92 3.80 1.62 1/245 2576
/proc/meminfo: memFree=27933964/32951132 swapFree=65145212/67111528
[pid=2576] ppid=2574 vsize=280528 CPUtime=0.45 cores=0-7
/proc/2576/stat : 2576 (python) R 2574 2576 2328 0 -1 4202496 9847 934 1 0 36 9 0 0 17 0 1 0 548266965 287260672 7517 33554432000 4194304 5683644 140734270332288 18446744073709551615 210650555061 0 0 16781312 2 0 0 0 17 7 0 0 0
/proc/2576/statm: 70132 7517 1826 364 0 6056 0
Current children cumulated CPU time (s) 0.45
Current children cumulated vsize (KiB) 280528

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

[startup+1.10885 s]
/proc/loadavg: 7.37 3.75 1.62 2/246 2581
/proc/meminfo: memFree=27909900/32951132 swapFree=65145212/67111528
[pid=2576] ppid=2574 vsize=366192 CPUtime=0.86 cores=0-7
/proc/2576/stat : 2576 (python) R 2574 2576 2328 0 -1 4202496 11485 934 1 0 76 10 0 0 18 0 3 0 548266965 374980608 7649 33554432000 4194304 5683644 140734270332288 18446744073709551615 210650600248 0 0 16781312 2 18446744073709551615 0 0 17 7 0 0 0
/proc/2576/statm: 91548 7649 1876 364 0 27463 0
Current children cumulated CPU time (s) 0.86
Current children cumulated vsize (KiB) 366192

[startup+1.30079 s]
/proc/loadavg: 7.37 3.75 1.62 2/246 2581
/proc/meminfo: memFree=27909900/32951132 swapFree=65145212/67111528
[pid=2576] ppid=2574 vsize=417472 CPUtime=1.04 cores=0-7
/proc/2576/stat : 2576 (python) R 2574 2576 2328 0 -1 4202496 15354 934 1 0 94 10 0 0 18 0 8 0 548266965 427491328 7651 33554432000 4194304 5683644 140734270332288 18446744073709551615 4539735 0 0 16781312 2 18446744073709551615 0 0 17 1 0 0 0
/proc/2576/statm: 104368 7651 1886 364 0 40268 0
Current children cumulated CPU time (s) 1.04
Current children cumulated vsize (KiB) 417472

[startup+1.40078 s]
/proc/loadavg: 7.37 3.75 1.62 2/246 2581
/proc/meminfo: memFree=27909900/32951132 swapFree=65145212/67111528
[pid=2576] ppid=2574 vsize=427728 CPUtime=1.07 cores=0-7
/proc/2576/stat : 2576 (python) S 2574 2576 2328 0 -1 4202496 15927 934 1 0 97 10 0 0 19 0 9 0 548266965 437993472 7659 33554432000 4194304 5683644 140734270332288 18446744073709551615 210658976575 0 0 16781312 2 18446744073709551615 0 0 17 1 0 0 0
/proc/2576/statm: 106932 7659 1890 364 0 42829 0
Current children cumulated CPU time (s) 1.07
Current children cumulated vsize (KiB) 427728

Child status: 0
Real time (s): 1.43484
CPU time (s): 2.75758
CPU user time (s): 2.57661
CPU system time (s): 0.180972
CPU usage (%): 192.188
Max. virtual memory (cumulated for all children) (KiB): 427728

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 2.57661
system time used= 0.180972
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 55723
page faults= 1
swaps= 0
block input operations= 0
block output operations= 0
messages sent= 0
messages received= 0
signals received= 0
voluntary context switches= 2696
involuntary context switches= 76

runsolver used 0.001999 second user time and 0.016997 second system time

The end

Launcher Data

Begin job on node129 at 2011-05-02 22:04:33
IDJOB=3321761
IDBENCH=82539
IDSOLVER=1712
FILE ID=node129/3321761-1304366673
RUNJOBID= node129-1304366466-2342
PBS_JOBID= 13181742
Free space on /tmp= 67584 MiB

SOLVER NAME= borg-sat 11.03.02-random
BENCH NAME= SAT11/random/large/unif-k3-r4.2-v2500-c10500-S1300417189-038-UNKNOWN.cnf
COMMAND LINE= python DIR/solve DIR/etc/borg-mix+class.random.pickle BENCHNAME -seed RANDOMSEED -budget TIMEOUT -cores NBCORE
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3321761-1304366673/watcher-3321761-1304366673 -o /tmp/evaluation-result-3321761-1304366673/solver-3321761-1304366673 -C 40000 -W 5100 -M 31000  python HOME/solve HOME/etc/borg-mix+class.random.pickle HOME/instance-3321761-1304366673.cnf -seed 1989211663 -budget 40000 -cores 8

TIME LIMIT= 40000 seconds
MEMORY LIMIT= 31000 MiB
NBCORE= 8

MD5SUM BENCH= 0ed8ade65938c7fcf06ab054c90e3de3
RANDOM SEED=1989211663

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:      27934500 kB
Buffers:         55868 kB
Cached:        1095040 kB
SwapCached:      38568 kB
Active:        3950844 kB
Inactive:       896528 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951132 kB
LowFree:      27934500 kB
SwapTotal:    67111528 kB
SwapFree:     65145212 kB
Dirty:           31900 kB
Writeback:           0 kB
AnonPages:     3667576 kB
Mapped:          10424 kB
Slab:            80540 kB
PageTables:      21592 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587092 kB
Committed_AS: 33997576 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= 67552 MiB
End job on node129 at 2011-05-02 22:04:35