Trace number 3385385

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 6.76297 2.03069

General information on the benchmark

Namerandom/large/
unif-k3-r4.2-v2500-c10500-S1907658523-004-UNKNOWN.cnf
MD5SUMb937b5bc0ec99f47d43da4a3e675d75d
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.286955
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

0.37/0.67	c INFO: loaded portfolio from HOME/etc/borg-mix+class.random.pickle
0.37/0.67	c INFO: solving HOME/instance-3385385-1305566145.cnf
0.37/0.67	c INFO: computing task features
0.45/0.70	c INFO: computed variable-clause graph statistics
0.45/0.70	c INFO: computed clause balance statistics
0.55/0.88	c INFO: computed variable balance statistics
0.77/1.03	c INFO: computed small-clause counts
0.77/1.03	c INFO: computed Horn-clause counts
0.77/1.05	c INFO: computed variable graph statistics
0.77/1.05	c INFO: collected features for HOME/instance-3385385-1305566145.cnf in 0.38 s
0.77/1.08	c INFO: running hybridGM3@0 for 97 with 4999 remaining (b = 0.61)
0.77/1.11	c INFO: running TNM@0 for 97 with 4999 remaining (b = 0.30)
0.86/1.14	c INFO: running hybridGM3@0 for 97 with 4999 remaining (b = 0.18)
0.86/1.17	c INFO: running hybridGM3@0 for 97 with 4999 remaining (b = 0.11)
0.95/1.20	c INFO: running gnovelty+2@0 for 97 with 4999 remaining (b = 0.09)
0.95/1.23	c INFO: running hybridGM3@0 for 97 with 4999 remaining (b = 0.08)
0.95/1.26	c INFO: running hybridGM3@0 for 97 with 4999 remaining (b = 0.05)
1.02/1.31	c INFO: running gnovelty+2@0 for 97 with 4999 remaining (b = 0.05)
4.37/2.00	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-3385385-1305566145/watcher-3385385-1305566145 -o /tmp/evaluation-result-3385385-1305566145/solver-3385385-1305566145 -C 40000 -W 5100 -M 31000 python HOME/solve HOME/etc/borg-mix+class.random.pickle HOME/instance-3385385-1305566145.cnf -seed 342633801 -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: 8.20 8.31 6.04 2/473 23891
/proc/meminfo: memFree=24334720/32951124 swapFree=53501260/67111528
[pid=23891] ppid=23889 vsize=16236 CPUtime=0 cores=0-7
/proc/23891/stat : 23891 (python) R 23889 23891 23657 0 -1 4202496 995 0 0 0 0 0 0 0 17 0 1 0 668217112 16625664 869 33554432000 4194304 5683644 140733999329392 18446744073709551615 4865528 0 0 16781312 2 0 0 0 17 4 0 0 0
/proc/23891/statm: 4059 872 371 364 0 546 0

[startup+0.0882859 s]
/proc/loadavg: 8.20 8.31 6.04 2/473 23891
/proc/meminfo: memFree=24334720/32951124 swapFree=53501260/67111528
[pid=23891] ppid=23889 vsize=54532 CPUtime=0.05 cores=0-7
/proc/23891/stat : 23891 (python) R 23889 23891 23657 0 -1 4202496 2077 0 0 0 4 1 0 0 17 0 1 0 668217112 55840768 1834 33554432000 4194304 5683644 140733999329392 18446744073709551615 216634513408 0 0 16781312 2 0 0 0 17 4 0 0 0
/proc/23891/statm: 13633 1834 492 364 0 1283 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 54532

[startup+0.100307 s]
/proc/loadavg: 8.20 8.31 6.04 2/473 23891
/proc/meminfo: memFree=24334720/32951124 swapFree=53501260/67111528
[pid=23891] ppid=23889 vsize=87700 CPUtime=0.06 cores=0-7
/proc/23891/stat : 23891 (python) S 23889 23891 23657 0 -1 4202496 2635 0 0 0 4 2 0 0 17 0 1 0 668217112 89804800 2353 33554432000 4194304 5683644 140733999329392 18446744073709551615 216634513408 0 2147483391 16781312 2 18446744071699199166 0 0 17 4 0 0 0
/proc/23891/statm: 21925 2353 717 364 0 1621 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 87700

[startup+0.30024 s]
/proc/loadavg: 8.20 8.31 6.04 2/473 23891
/proc/meminfo: memFree=24334720/32951124 swapFree=53501260/67111528
[pid=23891] ppid=23889 vsize=135748 CPUtime=0.19 cores=0-7
/proc/23891/stat : 23891 (python) S 23889 23891 23657 0 -1 4202496 5963 936 1 0 14 5 0 0 17 0 1 0 668217112 139005952 4151 33554432000 4194304 5683644 140733999329392 18446744073709551615 216634513408 0 2147483391 16781312 2 18446744071699199166 0 0 17 4 0 0 0
/proc/23891/statm: 33937 4151 1032 364 0 3123 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 135748

[startup+0.700145 s]
/proc/loadavg: 8.20 8.31 6.04 2/473 23891
/proc/meminfo: memFree=24334720/32951124 swapFree=53501260/67111528
[pid=23891] ppid=23889 vsize=280072 CPUtime=0.45 cores=0-7
/proc/23891/stat : 23891 (python) R 23889 23891 23657 0 -1 4202496 9664 936 1 0 34 11 0 0 16 0 1 0 668217112 286793728 7345 33554432000 4194304 5683644 140733999329392 18446744073709551615 4436508 0 0 16781312 2 0 0 0 17 4 0 0 0
/proc/23891/statm: 70018 7345 1761 364 0 5942 0
Current children cumulated CPU time (s) 0.45
Current children cumulated vsize (KiB) 280072

[startup+1.50096 s]
/proc/loadavg: 8.20 8.31 6.04 3/474 23896
/proc/meminfo: memFree=24310160/32951124 swapFree=53501260/67111528
[pid=23891] ppid=23889 vsize=428052 CPUtime=1.05 cores=0-7
/proc/23891/stat : 23891 (python) S 23889 23891 23657 0 -1 4202496 15979 936 1 0 92 13 0 0 24 0 9 0 668217112 438325248 7729 33554432000 4194304 5683644 140733999329392 18446744073709551615 216646342091 0 0 16781312 2 18446744073709551615 0 0 17 1 0 0 0
/proc/23891/statm: 107013 7729 1889 364 0 42910 0
Current children cumulated CPU time (s) 1.05
Current children cumulated vsize (KiB) 428052

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

[startup+1.90089 s]
/proc/loadavg: 8.20 8.31 6.04 3/474 23896
/proc/meminfo: memFree=24310160/32951124 swapFree=53501260/67111528
[pid=23891] ppid=23889 vsize=428052 CPUtime=1.05 cores=0-7
/proc/23891/stat : 23891 (python) S 23889 23891 23657 0 -1 4202496 15979 936 1 0 92 13 0 0 24 0 9 0 668217112 438325248 7729 33554432000 4194304 5683644 140733999329392 18446744073709551615 216646342091 0 0 16781312 2 18446744073709551615 0 0 17 1 0 0 0
/proc/23891/statm: 107013 7729 1889 364 0 42910 0
Current children cumulated CPU time (s) 1.05
Current children cumulated vsize (KiB) 428052

[startup+2.00104 s]
/proc/loadavg: 8.20 8.31 6.04 3/474 23896
/proc/meminfo: memFree=24310160/32951124 swapFree=53501260/67111528
[pid=23891] ppid=23889 vsize=428052 CPUtime=4.37 cores=0-7
/proc/23891/stat : 23891 (python) S 23889 23891 23657 0 -1 4202496 16088 26187 1 0 92 13 328 4 18 0 9 0 668217112 438325248 7730 33554432000 4194304 5683644 140733999329392 18446744073709551615 216646345535 0 0 16781312 2 18446744073709551615 0 0 17 1 0 0 0
/proc/23891/statm: 107013 7730 1890 364 0 42910 0
Current children cumulated CPU time (s) 4.37
Current children cumulated vsize (KiB) 428052

Child status: 0
Real time (s): 2.03069
CPU time (s): 6.76297
CPU user time (s): 6.553
CPU system time (s): 0.209968
CPU usage (%): 333.039
Max. virtual memory (cumulated for all children) (KiB): 428052

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 6.553
system time used= 0.209968
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 55955
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= 3288
involuntary context switches= 96

runsolver used 0.016997 second user time and 0.033994 second system time

The end

Launcher Data

Begin job on node103 at 2011-05-16 19:15:45
IDJOB=3385385
IDBENCH=82650
IDSOLVER=1870
FILE ID=node103/3385385-1305566145
RUNJOBID= node103-1305564967-23671
PBS_JOBID= 13350147
Free space on /tmp= 73080 MiB

SOLVER NAME= borg-sat 11.03.02-par-random (fixed)
BENCH NAME= SAT11/random/large/unif-k3-r4.2-v2500-c10500-S1907658523-004-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-3385385-1305566145/watcher-3385385-1305566145 -o /tmp/evaluation-result-3385385-1305566145/solver-3385385-1305566145 -C 40000 -W 5100 -M 31000  python HOME/solve HOME/etc/borg-mix+class.random.pickle HOME/instance-3385385-1305566145.cnf -seed 342633801 -budget 40000 -cores 8

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

MD5SUM BENCH= b937b5bc0ec99f47d43da4a3e675d75d
RANDOM SEED=342633801

node103.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		: 2666.858
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	: 5333.71
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		: 2666.858
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		: 2666.858
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		: 2666.858
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	: 5332.77
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		: 2666.858
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	: 5332.75
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		: 2666.858
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		: 2666.858
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	: 5332.83
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		: 2666.858
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:      24334876 kB
Buffers:        342812 kB
Cached:        4537040 kB
SwapCached:     340168 kB
Active:        2781912 kB
Inactive:      5526832 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951124 kB
LowFree:      24334876 kB
SwapTotal:    67111528 kB
SwapFree:     53501260 kB
Dirty:           31820 kB
Writeback:           4 kB
AnonPages:     3099392 kB
Mapped:          22232 kB
Slab:           165900 kB
PageTables:      69592 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587088 kB
Committed_AS: 149959556 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= 73048 MiB
End job on node103 at 2011-05-16 19:15:47