Trace number 3283941

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
shortsattime2011 2011-03-02SAT 3.71343 3.72057

General information on the benchmark

NameAPPLICATIONS/satComp09_BioInstances/
rbcl_xits_15_SAT.cnf
MD5SUMf42f7d98ce23dc2653b15bc7a976ea3c
Bench CategoryAPPLICATION (applications instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.096984
Satisfiable
(Un)Satisfiability was proved
Number of variables2384
Number of clauses164746
Sum of the clauses size490898
Maximum clause length16
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 23639
Number of clauses of size 3161084
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 523

Solver Data

3.69/3.71	c 3572 clauses are redundant and removed
3.69/3.71	c 0 vars are fixed and 3572 clauses are removed after unit propagation
3.69/3.71	c 0 vars are fixed and 3572 clauses are removed after lookahead
3.69/3.71	c initial seed is 564561772
3.69/3.71	c try=1 flip j=68143 walk=51730 seed 564561789
3.69/3.71	c A solution is found
3.69/3.71	s SATISFIABLE
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2361 2362 2363 -2364 -2365 2366 -2367 2368 -2369 2370 2371 2372 2373 2374 2375 2376 2377 2378 2379 2380 2381 2382 2383 2384 
3.69/3.71	v 0 
3.69/3.71	c Done (mycputime is 0 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-3283941-1303764187/watcher-3283941-1303764187 -o /tmp/evaluation-result-3283941-1303764187/solver-3283941-1303764187 -C 2400 -W 1300 -M 7680 shortsattime2011 HOME/instance-3283941-1303764187.cnf 564554985 

running on 2 cores: 1,3

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: 1.10 2.67 3.58 5/190 30234
/proc/meminfo: memFree=26873160/32951124 swapFree=67111524/67111528
[pid=30234] ppid=30232 vsize=11800 CPUtime=0 cores=1,3
/proc/30234/stat : 30234 (runsolver) R 30232 30234 28989 0 -1 4202560 41 0 0 0 0 0 0 0 21 0 1 0 488016913 12083200 51 33554432000 4194304 5434984 140734130931152 18446744073709551615 4881607 0 2147483391 4096 24578 0 0 0 17 3 0 0 0
/proc/30234/statm: 2950 51 31 303 0 2644 0

[startup+0.0512671 s]
/proc/loadavg: 1.10 2.67 3.58 5/190 30234
/proc/meminfo: memFree=26873160/32951124 swapFree=67111524/67111528
[pid=30234] ppid=30232 vsize=1188092 CPUtime=0.03 cores=1,3
/proc/30234/stat : 30234 (shortsattime201) R 30232 30234 28989 0 -1 4194304 1173 0 0 0 3 0 0 0 21 0 1 0 488016913 1216606208 1118 33554432000 4194304 4230460 140735686024112 18446744073709551615 232335553221 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30234/statm: 297023 1118 100 9 0 294180 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 1188092

[startup+0.100248 s]
/proc/loadavg: 1.10 2.67 3.58 5/190 30234
/proc/meminfo: memFree=26873160/32951124 swapFree=67111524/67111528
[pid=30234] ppid=30232 vsize=1193764 CPUtime=0.08 cores=1,3
/proc/30234/stat : 30234 (shortsattime201) R 30232 30234 28989 0 -1 4202496 3074 0 0 0 8 0 0 0 21 0 1 0 488016913 1222414336 3018 33554432000 4194304 4230460 140735686024112 18446744073709551615 232335553221 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30234/statm: 298441 3031 102 9 0 295598 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 1193764

[startup+0.300209 s]
/proc/loadavg: 1.10 2.67 3.58 5/190 30234
/proc/meminfo: memFree=26873160/32951124 swapFree=67111524/67111528
[pid=30234] ppid=30232 vsize=1202080 CPUtime=0.29 cores=1,3
/proc/30234/stat : 30234 (shortsattime201) R 30232 30234 28989 0 -1 4202496 5358 0 0 0 28 1 0 0 22 0 1 0 488016913 1230929920 5302 33554432000 4194304 4230460 140735686024112 18446744073709551615 4207673 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30234/statm: 300520 5302 103 9 0 297677 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 1202080

[startup+0.70014 s]
/proc/loadavg: 1.10 2.67 3.58 5/190 30234
/proc/meminfo: memFree=26873160/32951124 swapFree=67111524/67111528
[pid=30234] ppid=30232 vsize=1202080 CPUtime=0.69 cores=1,3
/proc/30234/stat : 30234 (shortsattime201) R 30232 30234 28989 0 -1 4202496 5358 0 0 0 68 1 0 0 24 0 1 0 488016913 1230929920 5302 33554432000 4194304 4230460 140735686024112 18446744073709551615 4207741 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30234/statm: 300520 5302 103 9 0 297677 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 1202080

[startup+1.501 s]
/proc/loadavg: 1.10 2.67 3.58 5/194 30241
/proc/meminfo: memFree=26760280/32951124 swapFree=67111524/67111528
[pid=30234] ppid=30232 vsize=1202080 CPUtime=1.49 cores=1,3
/proc/30234/stat : 30234 (shortsattime201) R 30232 30234 28989 0 -1 4202496 5363 0 0 0 148 1 0 0 25 0 1 0 488016913 1230929920 5307 33554432000 4194304 4230460 140735686024112 18446744073709551615 4207748 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30234/statm: 300520 5307 103 9 0 297677 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 1202080

[startup+3.10071 s]
/proc/loadavg: 1.10 2.67 3.58 5/194 30241
/proc/meminfo: memFree=26752728/32951124 swapFree=67111524/67111528
[pid=30234] ppid=30232 vsize=1202080 CPUtime=3.09 cores=1,3
/proc/30234/stat : 30234 (shortsattime201) R 30232 30234 28989 0 -1 4202496 5363 0 0 0 308 1 0 0 25 0 1 0 488016913 1230929920 5307 33554432000 4194304 4230460 140735686024112 18446744073709551615 4207725 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30234/statm: 300520 5307 103 9 0 297677 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 1202080

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

[startup+3.50064 s]
/proc/loadavg: 1.34 2.69 3.58 5/194 30241
/proc/meminfo: memFree=26752972/32951124 swapFree=67111524/67111528
[pid=30234] ppid=30232 vsize=1208288 CPUtime=3.49 cores=1,3
/proc/30234/stat : 30234 (shortsattime201) R 30232 30234 28989 0 -1 4202496 8610 0 0 0 348 1 0 0 25 0 1 0 488016913 1237286912 8553 33554432000 4194304 4230460 140735686024112 18446744073709551615 4219807 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30234/statm: 302072 8553 117 9 0 299229 0
Current children cumulated CPU time (s) 3.49
Current children cumulated vsize (KiB) 1208288

[startup+3.7006 s]
/proc/loadavg: 1.34 2.69 3.58 5/194 30241
/proc/meminfo: memFree=26752972/32951124 swapFree=67111524/67111528
[pid=30234] ppid=30232 vsize=1208292 CPUtime=3.69 cores=1,3
/proc/30234/stat : 30234 (shortsattime201) R 30232 30234 28989 0 -1 4202496 8611 0 0 0 368 1 0 0 25 0 1 0 488016913 1237291008 8554 33554432000 4194304 4230460 140735686024112 18446744073709551615 232335437790 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30234/statm: 302073 8554 117 9 0 299230 0
Current children cumulated CPU time (s) 3.69
Current children cumulated vsize (KiB) 1208292

Child status: 10
Real time (s): 3.72057
CPU time (s): 3.71343
CPU user time (s): 3.69844
CPU system time (s): 0.014997
CPU usage (%): 99.8082
Max. virtual memory (cumulated for all children) (KiB): 1208292

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 3.69844
system time used= 0.014997
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 8614
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= 3
involuntary context switches= 50

runsolver used 0.008998 second user time and 0.017997 second system time

The end

Launcher Data

Begin job on node132 at 2011-04-25 22:43:08
IDJOB=3283941
IDBENCH=71094
IDSOLVER=1566
FILE ID=node132/3283941-1303764187
RUNJOBID= node132-1303764187-30200
PBS_JOBID= 13157126
Free space on /tmp= 71864 MiB

SOLVER NAME= shortsattime2011 2011-03-02
BENCH NAME= SAT09/APPLICATIONS/satComp09_BioInstances/rbcl_xits_15_SAT.cnf
COMMAND LINE= shortsattime2011 BENCHNAME RANDOMSEED
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3283941-1303764187/watcher-3283941-1303764187 -o /tmp/evaluation-result-3283941-1303764187/solver-3283941-1303764187 -C 2400 -W 1300 -M 7680  shortsattime2011 HOME/instance-3283941-1303764187.cnf 564554985

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

MD5SUM BENCH= f42f7d98ce23dc2653b15bc7a976ea3c
RANDOM SEED=564554985

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:      26873696 kB
Buffers:        670356 kB
Cached:        4841772 kB
SwapCached:          4 kB
Active:         188016 kB
Inactive:      5408220 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951124 kB
LowFree:      26873696 kB
SwapTotal:    67111528 kB
SwapFree:     67111524 kB
Dirty:           35744 kB
Writeback:           0 kB
AnonPages:       84620 kB
Mapped:          15288 kB
Slab:           417236 kB
PageTables:       4848 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587088 kB
Committed_AS:  2610184 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= 71844 MiB
End job on node132 at 2011-04-25 22:43:11