Trace number 3385289

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-par-random (fixed)SAT 4.04738 1.51706

General information on the benchmark

Namerandom/large/
unif-k3-r4.2-v2500-c10500-S722024572-014-UNKNOWN.cnf
MD5SUM875a8b1e044c25599d3c66c1e66d27f4
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.203968
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

0.31/0.57	c INFO: loaded portfolio from HOME/etc/borg-mix+class.random.pickle
0.31/0.57	c INFO: solving HOME/instance-3385289-1305564972.cnf
0.31/0.57	c INFO: computing task features
0.39/0.61	c INFO: computed variable-clause graph statistics
0.39/0.61	c INFO: computed clause balance statistics
0.49/0.79	c INFO: computed variable balance statistics
0.69/0.93	c INFO: computed small-clause counts
0.69/0.94	c INFO: computed Horn-clause counts
0.69/0.95	c INFO: computed variable graph statistics
0.69/0.95	c INFO: collected features for HOME/instance-3385289-1305564972.cnf in 0.38 s
0.69/0.98	c INFO: running hybridGM3@0 for 97 with 4999 remaining (b = 0.61)
0.81/1.01	c INFO: running TNM@0 for 97 with 4999 remaining (b = 0.30)
0.81/1.04	c INFO: running hybridGM3@0 for 97 with 4999 remaining (b = 0.18)
0.81/1.07	c INFO: running hybridGM3@0 for 97 with 4999 remaining (b = 0.11)
0.81/1.10	c INFO: running gnovelty+2@0 for 97 with 4999 remaining (b = 0.08)
1.01/1.13	c INFO: running hybridGM3@0 for 97 with 4999 remaining (b = 0.08)
1.01/1.16	c INFO: running hybridGM3@0 for 97 with 4999 remaining (b = 0.05)
1.01/1.19	c INFO: running gnovelty+2@0 for 97 with 4999 remaining (b = 0.05)
1.39/1.49	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: 961)

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-3385289-1305564972/watcher-3385289-1305564972 -o /tmp/evaluation-result-3385289-1305564972/solver-3385289-1305564972 -C 40000 -W 5100 -M 31000 python HOME/solve HOME/etc/borg-mix+class.random.pickle HOME/instance-3385289-1305564972.cnf -seed 1084427613 -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: 0.64 0.13 0.04 2/466 19205
/proc/meminfo: memFree=28741924/32950928 swapFree=41934280/67111528
[pid=19205] ppid=19203 vsize=16248 CPUtime=0 cores=0-7
/proc/19205/stat : 19205 (python) R 19203 19205 19123 0 -1 4202496 1051 0 0 0 0 0 0 0 20 0 1 0 668095939 16637952 923 33554432000 4194304 5683644 140734050346288 18446744073709551615 251814240000 0 0 16781312 2 0 0 0 17 2 0 0 0
/proc/19205/statm: 4062 923 381 364 0 549 0

[startup+0.0431309 s]
/proc/loadavg: 0.64 0.13 0.04 2/466 19205
/proc/meminfo: memFree=28741924/32950928 swapFree=41934280/67111528
[pid=19205] ppid=19203 vsize=25292 CPUtime=0.02 cores=0-7
/proc/19205/stat : 19205 (python) R 19203 19205 19123 0 -1 4202496 1346 0 0 0 2 0 0 0 20 0 1 0 668095939 25899008 1192 33554432000 4194304 5683644 140734050346288 18446744073709551615 251814238208 0 0 16781312 2 0 0 0 17 2 0 0 0
/proc/19205/statm: 6324 1193 438 364 0 725 0
Current children cumulated CPU time (s) 0.02
Current children cumulated vsize (KiB) 25292

[startup+0.101128 s]
/proc/loadavg: 0.64 0.13 0.04 2/466 19205
/proc/meminfo: memFree=28741924/32950928 swapFree=41934280/67111528
[pid=19205] ppid=19203 vsize=104236 CPUtime=0.07 cores=0-7
/proc/19205/stat : 19205 (python) R 19203 19205 19123 0 -1 4202496 3087 0 0 0 5 2 0 0 17 0 1 0 668095939 106737664 2768 33554432000 4194304 5683644 140734050346288 18446744073709551615 251813900997 0 0 16781312 2 0 0 0 17 2 0 0 0
/proc/19205/statm: 26059 2768 847 364 0 1807 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 104236

[startup+0.300088 s]
/proc/loadavg: 0.64 0.13 0.04 2/466 19205
/proc/meminfo: memFree=28741924/32950928 swapFree=41934280/67111528
[pid=19205] ppid=19203 vsize=170756 CPUtime=0.23 cores=0-7
/proc/19205/stat : 19205 (python) S 19203 19205 19123 0 -1 4202496 6737 937 1 0 16 7 0 0 18 0 1 0 668095939 174854144 4806 33554432000 4194304 5683644 140734050346288 18446744073709551615 251814238208 0 2147483391 16781312 2 18446744071699215550 0 0 17 2 0 0 0
/proc/19205/statm: 42689 4806 1336 364 0 3454 0
Current children cumulated CPU time (s) 0.23
Current children cumulated vsize (KiB) 170756

[startup+0.70102 s]
/proc/loadavg: 0.64 0.13 0.04 2/466 19205
/proc/meminfo: memFree=28741924/32950928 swapFree=41934280/67111528
[pid=19205] ppid=19203 vsize=280468 CPUtime=0.49 cores=0-7
/proc/19205/stat : 19205 (python) R 19203 19205 19123 0 -1 4202496 9834 937 1 0 39 10 0 0 17 0 1 0 668095939 287199232 7503 33554432000 4194304 5683644 140734050346288 18446744073709551615 4303310 0 0 16781312 2 0 0 0 17 2 0 0 0
/proc/19205/statm: 70117 7503 1826 364 0 6041 0
Current children cumulated CPU time (s) 0.49
Current children cumulated vsize (KiB) 280468

[startup+1.50089 s]
/proc/loadavg: 0.64 0.13 0.04 3/470 19213
/proc/meminfo: memFree=28712380/32950928 swapFree=41934280/67111528
[pid=19205] ppid=19203 vsize=376236 CPUtime=4.01 cores=0-7
/proc/19205/stat : 19205 (python) R 19203 19205 19123 0 -1 4202496 18039 37201 1 0 88 12 294 7 18 0 1 0 668095939 385265664 7566 33554432000 4194304 5683644 140734050346288 18446744073709551615 5114130 0 0 16781312 0 0 0 0 17 3 0 0 0
/proc/19205/statm: 94059 7566 1873 364 0 29983 0
Current children cumulated CPU time (s) 4.01
Current children cumulated vsize (KiB) 376236

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

Child status: 0
Real time (s): 1.51706
CPU time (s): 4.04738
CPU user time (s): 3.84242
CPU system time (s): 0.204968
CPU usage (%): 266.791
Max. virtual memory (cumulated for all children) (KiB): 975904

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 3.84241
system time used= 0.204968
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 57631
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= 1232
involuntary context switches= 81

runsolver used 0.008998 second user time and 0.024996 second system time

The end

Launcher Data

Begin job on node126 at 2011-05-16 18:56:12
IDJOB=3385289
IDBENCH=82554
IDSOLVER=1870
FILE ID=node126/3385289-1305564972
RUNJOBID= node126-1305564963-19137
PBS_JOBID= 13350124
Free space on /tmp= 73172 MiB

SOLVER NAME= borg-sat 11.03.02-par-random (fixed)
BENCH NAME= SAT11/random/large/unif-k3-r4.2-v2500-c10500-S722024572-014-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-3385289-1305564972/watcher-3385289-1305564972 -o /tmp/evaluation-result-3385289-1305564972/solver-3385289-1305564972 -C 40000 -W 5100 -M 31000  python HOME/solve HOME/etc/borg-mix+class.random.pickle HOME/instance-3385289-1305564972.cnf -seed 1084427613 -budget 40000 -cores 8

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

MD5SUM BENCH= 875a8b1e044c25599d3c66c1e66d27f4
RANDOM SEED=1084427613

node126.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		: 2666.783
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	: 5333.56
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		: 2666.783
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	: 5332.75
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		: 2666.783
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	: 5332.74
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		: 2666.783
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	: 5332.74
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		: 2666.783
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	: 5332.80
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		: 2666.783
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	: 5332.75
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		: 2666.783
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		: 2666.783
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	: 5332.76
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]


/proc/meminfo:
MemTotal:     32950928 kB
MemFree:      28741964 kB
Buffers:        219224 kB
Cached:        2511980 kB
SwapCached:      49648 kB
Active:        1324740 kB
Inactive:      2602560 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32950928 kB
LowFree:      28741964 kB
SwapTotal:    67111528 kB
SwapFree:     41934280 kB
Dirty:           32572 kB
Writeback:           0 kB
AnonPages:     1159776 kB
Mapped:          17316 kB
Slab:           122044 kB
PageTables:      87512 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83586992 kB
Committed_AS: 133949712 kB
VmallocTotal: 34359738367 kB
VmallocUsed:    296008 kB
VmallocChunk: 34359440975 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 73140 MiB
End job on node126 at 2011-05-16 18:56:14