Trace number 3495386

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
OptimuS x100_sourceUNSAT 4.31734 4.31894

General information on the benchmark

NameSAT02/industrial/goldberg/rand_net/
rand_net40-25-1.shuffled.cnf
MD5SUMf2e8312ad845734d1755ad930d461e5f
Bench CategoryAPPLICATION (applications instances)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark2.6146
Satisfiable
(Un)Satisfiability was proved
Number of variables2000
Number of clauses5921
Sum of the clauses size13960
Maximum clause length40
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 23840
Number of clauses of size 32080
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 51

Solver Data

4.29/4.31	c - Reading the instance.. OK! Totally clauses:     5921; Vars:     2000; Time: 0.00
4.29/4.31	c - Unit propagation..     OK! Removed clauses:        0;                 Time: 0.00
4.29/4.31	c - Delete by resolution.. OK! Removed clauses:       80;                 Time: 0.00
4.29/4.31	c   - Solving the original instance..
4.29/4.31	c     - OK - UNSAT! Continue to clause elimination..
4.29/4.31	c   - round:    1;   Skips in previous round:    0
4.29/4.31	c     - clauses done:  1%; among them skipped: 0.00%;
4.29/4.31	c     - clauses done: 10%; among them skipped: 0.00%;
4.29/4.31	c     - clauses done: 20%; among them skipped: 0.00%;
4.29/4.31	c     - clauses done: 30%; among them skipped: 0.00%;
4.29/4.31	c     - clauses done: 40%; among them skipped: 0.00%;
4.29/4.31	c     - clauses done: 50%; among them skipped: 0.00%;
4.29/4.31	c - Finish! Unsat core size: 3117 / 5921; Time: 4.30 s
4.29/4.31	c - ---------------------------------------------------------------------------
4.29/4.31	c - Statistics: |    unit   |    BCE    | sat-saved | sat-check | unsat-check |
4.29/4.31	c -             |       0   |     963   |    1690   |    1427   |    1841     |
4.29/4.31	c - ---------------------------------------------------------------------------
4.29/4.31	s UNSATISFIABLE
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5897 5898 5900 5901 5902 5905 5909 5910 5911 5913 5916 5917 0

Verifier Data

OK	3117

Watcher Data

runsolver Copyright (C) 2010-2011 Olivier ROUSSEL

This is runsolver version 3.3.1 (svn: 988)

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-3495386-1307806616/watcher-3495386-1307806616 -o /tmp/evaluation-result-3495386-1307806616/solver-3495386-1307806616 -C 1800 -W 1850 -M 7680 OptimuS_release HOME/instance-3495386-1307806616.cnf 

running on 2 cores: 4,6

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1800 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1830 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 1850 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: 3.11 2.06 2.69 5/189 23546
/proc/meminfo: memFree=31658408/32951124 swapFree=67055708/67111528
[pid=23546] ppid=23544 vsize=20472 CPUtime=0 cores=4,6
/proc/23546/stat : 23546 (OptimuS_release) R 23544 23546 22467 0 -1 4202496 712 0 0 0 0 0 0 0 25 0 1 0 624852891 20963328 645 33554432000 4194304 4280283 140733270749600 18446744073709551615 4223283 0 0 4096 8388610 0 0 0 17 4 0 0 0
/proc/23546/statm: 5118 645 239 21 0 1755 0

[startup+0.0991549 s]
/proc/loadavg: 3.11 2.06 2.69 5/189 23546
/proc/meminfo: memFree=31658408/32951124 swapFree=67055708/67111528
[pid=23546] ppid=23544 vsize=21176 CPUtime=0.09 cores=4,6
/proc/23546/stat : 23546 (OptimuS_release) R 23544 23546 22467 0 -1 4202496 1245 0 0 0 9 0 0 0 25 0 1 0 624852891 21684224 1176 33554432000 4194304 4280283 140733270749600 18446744073709551615 4260059 0 0 4096 8388610 0 0 0 17 4 0 0 0
/proc/23546/statm: 5294 1176 270 21 0 1931 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 21176

[startup+0.101153 s]
/proc/loadavg: 3.11 2.06 2.69 5/189 23546
/proc/meminfo: memFree=31658408/32951124 swapFree=67055708/67111528
[pid=23546] ppid=23544 vsize=21176 CPUtime=0.09 cores=4,6
/proc/23546/stat : 23546 (OptimuS_release) R 23544 23546 22467 0 -1 4202496 1265 0 0 0 9 0 0 0 25 0 1 0 624852891 21684224 1196 33554432000 4194304 4280283 140733270749600 18446744073709551615 4237266 0 0 4096 8388610 0 0 0 17 4 0 0 0
/proc/23546/statm: 5294 1196 270 21 0 1931 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 21176

[startup+0.301113 s]
/proc/loadavg: 3.11 2.06 2.69 5/189 23546
/proc/meminfo: memFree=31658408/32951124 swapFree=67055708/67111528
[pid=23546] ppid=23544 vsize=21300 CPUtime=0.29 cores=4,6
/proc/23546/stat : 23546 (OptimuS_release) R 23544 23546 22467 0 -1 4202496 1885 0 0 0 29 0 0 0 25 0 1 0 624852891 21811200 1815 33554432000 4194304 4280283 140733270749600 18446744073709551615 4260059 0 0 4096 8388610 0 0 0 17 4 0 0 0
/proc/23546/statm: 5325 1815 270 21 0 1962 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 21300

[startup+0.701054 s]
/proc/loadavg: 3.11 2.06 2.69 5/189 23546
/proc/meminfo: memFree=31658408/32951124 swapFree=67055708/67111528
[pid=23546] ppid=23544 vsize=21416 CPUtime=0.69 cores=4,6
/proc/23546/stat : 23546 (OptimuS_release) R 23544 23546 22467 0 -1 4202496 3827 0 0 0 69 0 0 0 25 0 1 0 624852891 21929984 1886 33554432000 4194304 4280283 140733270749600 18446744073709551615 4238866 0 0 4096 8388610 0 0 0 17 4 0 0 0
/proc/23546/statm: 5354 1886 270 21 0 1991 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 21416

[startup+1.50089 s]
/proc/loadavg: 3.11 2.06 2.69 5/190 23547
/proc/meminfo: memFree=31599772/32951124 swapFree=67055708/67111528
[pid=23546] ppid=23544 vsize=31260 CPUtime=1.49 cores=4,6
/proc/23546/stat : 23546 (OptimuS_release) R 23544 23546 22467 0 -1 4202496 6958 0 0 0 149 0 0 0 25 0 1 0 624852891 32010240 3030 33554432000 4194304 4280283 140733270749600 18446744073709551615 4238632 0 0 4096 8388610 0 0 0 17 4 0 0 0
/proc/23546/statm: 7815 3030 272 21 0 4452 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 31260

[startup+3.1006 s]
/proc/loadavg: 3.11 2.06 2.69 5/190 23547
/proc/meminfo: memFree=31599400/32951124 swapFree=67055708/67111528
[pid=23546] ppid=23544 vsize=34004 CPUtime=3.09 cores=4,6
/proc/23546/stat : 23546 (OptimuS_release) R 23544 23546 22467 0 -1 4202496 8467 0 0 0 309 0 0 0 25 0 1 0 624852891 34820096 4532 33554432000 4194304 4280283 140733270749600 18446744073709551615 4238781 0 0 4096 8388610 0 0 0 17 4 0 0 0
/proc/23546/statm: 8501 4532 270 21 0 5138 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 34004

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

[startup+3.90049 s]
/proc/loadavg: 3.11 2.06 2.69 5/190 23547
/proc/meminfo: memFree=31688656/32951124 swapFree=67055708/67111528
[pid=23546] ppid=23544 vsize=34004 CPUtime=3.89 cores=4,6
/proc/23546/stat : 23546 (OptimuS_release) R 23544 23546 22467 0 -1 4202496 8467 0 0 0 389 0 0 0 25 0 1 0 624852891 34820096 4532 33554432000 4194304 4280283 140733270749600 18446744073709551615 4238866 0 0 4096 8388610 0 0 0 17 4 0 0 0
/proc/23546/statm: 8501 4532 270 21 0 5138 0
Current children cumulated CPU time (s) 3.89
Current children cumulated vsize (KiB) 34004

[startup+4.3004 s]
/proc/loadavg: 3.11 2.06 2.69 5/190 23547
/proc/meminfo: memFree=31655300/32951124 swapFree=67055708/67111528
[pid=23546] ppid=23544 vsize=34004 CPUtime=4.29 cores=4,6
/proc/23546/stat : 23546 (OptimuS_release) R 23544 23546 22467 0 -1 4202496 8467 0 0 0 429 0 0 0 25 0 1 0 624852891 34820096 4532 33554432000 4194304 4280283 140733270749600 18446744073709551615 4238760 0 0 4096 8388610 0 0 0 17 4 0 0 0
/proc/23546/statm: 8501 4532 270 21 0 5138 0
Current children cumulated CPU time (s) 4.29
Current children cumulated vsize (KiB) 34004

Child status: 20
Real time (s): 4.31894
CPU time (s): 4.31734
CPU user time (s): 4.30735
CPU system time (s): 0.009998
CPU usage (%): 99.963
Max. virtual memory (cumulated for all children) (KiB): 34004

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 4.30734
system time used= 0.009998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 8468
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= 4
involuntary context switches= 13

runsolver used 0.007998 second user time and 0.022996 second system time

The end

Launcher Data

Begin job on node107 at 2011-06-11 17:36:56
IDJOB=3495386
IDBENCH=87985
IDSOLVER=1988
FILE ID=node107/3495386-1307806616
RUNJOBID= node107-1307806548-23259
PBS_JOBID= 13551069
Free space on /tmp= 74128 MiB

SOLVER NAME= OptimuS x100_source
BENCH NAME= SAT02/industrial/goldberg/rand_net/rand_net40-25-1.shuffled.cnf
COMMAND LINE= OptimuS_release BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3495386-1307806616/watcher-3495386-1307806616 -o /tmp/evaluation-result-3495386-1307806616/solver-3495386-1307806616 -C 1800 -W 1850 -M 7680  OptimuS_release HOME/instance-3495386-1307806616.cnf

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 7680 MiB
NBCORE= 2

MD5SUM BENCH= f2e8312ad845734d1755ad930d461e5f
RANDOM SEED=1151909677

node107.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		: 2666.829
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	: 5333.65
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		: 2666.829
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		: 2666.829
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	: 5332.67
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		: 2666.829
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		: 2666.829
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		: 2666.829
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	: 5359.47
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		: 2666.829
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		: 2666.829
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:     32951124 kB
MemFree:      31658960 kB
Buffers:        171328 kB
Cached:         626792 kB
SwapCached:      19468 kB
Active:         539324 kB
Inactive:       563492 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951124 kB
LowFree:      31658960 kB
SwapTotal:    67111528 kB
SwapFree:     67055708 kB
Dirty:             540 kB
Writeback:           0 kB
AnonPages:      303168 kB
Mapped:          13212 kB
Slab:           122700 kB
PageTables:       5472 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587088 kB
Committed_AS:   536112 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= 74128 MiB
End job on node107 at 2011-06-11 17:37:01