Trace number 3493778

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
PicoMUS 941UNSAT 0.145976 0.147235

General information on the benchmark

NameSAT02/industrial/goldberg/
bmc1/42.shuffled.cnf
MD5SUM30907148f2c64a22cb5e8b80fdf6edf7
Bench CategoryAPPLICATION (applications instances)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark0.024995
Satisfiable
(Un)Satisfiability was proved
Number of variables378
Number of clauses904
Sum of the clauses size2142
Maximum clause length21
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 2609
Number of clauses of size 3273
Number of clauses of size 421
Number of clauses of size 50
Number of clauses of size over 51

Solver Data 

0.00/0.00	c [picomus] WARNING: no output file given
0.00/0.00	c [picomus] p cnf 378 904
0.00/0.00	s UNSATISFIABLE
0.00/0.00	c [picomus] extracted core 1 of size 447 out of 904 (49%) after 0.0 sec
0.00/0.00	c [picomus] extracted core 2 of size 447 out of 904 (49%) after 0.0 sec
0.00/0.00	c [picomus] extracted core 3 of size 447 out of 904 (49%) after 0.0 sec
0.00/0.00	c [picomus] extracted core 4 of size 447 out of 904 (49%) after 0.0 sec
0.00/0.01	c [picomus] extracted core 5 of size 447 out of 904 (49%) after 0.0 sec
0.00/0.01	c [picomus] extracted core 6 of size 447 out of 904 (49%) after 0.0 sec
0.00/0.01	c [picomus] extracted core 7 of size 447 out of 904 (49%) after 0.0 sec
0.00/0.01	c [picomus] extracted core 8 of size 447 out of 904 (49%) after 0.0 sec
0.00/0.01	c [picomus] reduction 1 to 430 out of 904 (48%) after 0.0 sec
0.00/0.04	c [picomus] reduction 2 to 429 out of 904 (47%) after 0.0 sec
0.06/0.06	c [picomus] reduction 3 to 425 out of 904 (47%) after 0.1 sec
0.10/0.12	c [picomus] reduction 4 to 424 out of 904 (47%) after 0.1 sec
0.10/0.13	c [picomus] reduction 5 to 423 out of 904 (47%) after 0.1 sec
0.10/0.13	c [picomus] reduction 6 to 422 out of 904 (47%) after 0.1 sec
0.10/0.13	c [picomus] reduction 7 to 421 out of 904 (47%) after 0.1 sec
0.10/0.14	c [picosat] 429 calls
0.10/0.14	c [picosat] 1 iterations
0.10/0.14	c [picosat] 0 restarts
0.10/0.14	c [picosat] 0 failed literals
0.10/0.14	c [picosat] 151 conflicts
0.10/0.14	c [picosat] 355707 decisions
0.10/0.14	c [picosat] 469 fixed variables
0.10/0.14	c [picosat] 2932 learned literals
0.10/0.14	c [picosat] 0.8% deleted literals
0.10/0.14	c [picosat] 469378 propagations
0.10/0.14	c [picosat] 58.1% variables used
0.10/0.14	c [picosat] 0.1 seconds in library
0.10/0.14	c [picosat] 5.2 megaprops/second
0.10/0.14	c [picosat] probing 0.0 seconds 0%
0.10/0.14	c [picosat] 4 simplifications
0.10/0.14	c [picosat] 0 reductions
0.10/0.14	c [picosat] 0.0 MB recycled
0.10/0.14	c [picosat] 0.1 MB maximally allocated
0.10/0.14	c [picomus] found 483 redundant clauses 53%
0.10/0.14	c [picomus] computed MUS of size 421 out of 904 (47%)
0.10/0.14	v 2
0.10/0.14	v 3
0.10/0.14	v 4
0.10/0.14	v 5
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0.10/0.14	v 26
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0.10/0.14	v 33
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0.10/0.14	v 50
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0.10/0.14	v 235
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0.10/0.14	v 337
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0.10/0.14	v 430
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0.10/0.14	v 547
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0.10/0.14	v 563
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0.10/0.14	v 615
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0.10/0.14	v 702
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0.10/0.14	v 723
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0.10/0.14	v 728
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0.10/0.14	v 737
0.10/0.14	v 739
0.10/0.14	v 744
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0.10/0.14	v 749
0.10/0.14	v 751
0.10/0.14	v 753
0.10/0.14	v 762
0.10/0.14	v 768
0.10/0.14	v 773
0.10/0.14	v 777
0.10/0.14	v 780
0.10/0.14	v 783
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0.10/0.14	v 789
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0.10/0.14	v 794
0.10/0.14	v 797
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0.10/0.14	v 799
0.10/0.14	v 801
0.10/0.14	v 805
0.10/0.14	v 807
0.10/0.14	v 810
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0.10/0.14	v 815
0.10/0.14	v 819
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0.10/0.14	v 824
0.10/0.14	v 825
0.10/0.14	v 830
0.10/0.14	v 835
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0.10/0.14	v 838
0.10/0.14	v 841
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0.10/0.14	v 850
0.10/0.14	v 853
0.10/0.14	v 857
0.10/0.14	v 858
0.10/0.14	v 860
0.10/0.14	v 862
0.10/0.14	v 864
0.10/0.14	v 867
0.10/0.14	v 869
0.10/0.14	v 872
0.10/0.14	v 874
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0.10/0.14	v 889
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0.10/0.14	v 896
0.10/0.14	v 898
0.10/0.14	v 899
0.10/0.14	v 904
0.10/0.14	v 0
0.10/0.14	c [picomus] computed 421 irredundant clauses 47%
0.10/0.14	c [picomus] 7 reductions in 0.1 seconds

Verifier Data 

OK	421

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-3493778-1307804318/watcher-3493778-1307804318 -o /tmp/evaluation-result-3493778-1307804318/solver-3493778-1307804318 -C 1800 -W 1850 -M 7680 picomus HOME/instance-3493778-1307804318.cnf 

running on 2 cores: 1,3

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: 3.97 3.97 3.54 4/189 23922
/proc/meminfo: memFree=30775936/32950928 swapFree=67054696/67111528
[pid=23922] ppid=23920 vsize=788 CPUtime=0 cores=1,3
/proc/23922/stat : 23922 (picomus) R 23920 23922 23146 0 -1 4202496 156 0 0 0 0 0 0 0 25 0 1 0 348041203 806912 109 33554432000 134512640 135072097 4289426768 18446744073709551615 134706017 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/23922/statm: 197 109 75 137 0 58 0

[startup+0.0650989 s]
/proc/loadavg: 3.97 3.97 3.54 4/189 23922
/proc/meminfo: memFree=30775936/32950928 swapFree=67054696/67111528
[pid=23922] ppid=23920 vsize=928 CPUtime=0.06 cores=1,3
/proc/23922/stat : 23922 (picomus) R 23920 23922 23146 0 -1 4202496 172 0 0 0 6 0 0 0 25 0 1 0 348041203 950272 125 33554432000 134512640 135072097 4289426768 18446744073709551615 134585038 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/23922/statm: 232 125 76 137 0 93 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 928

[startup+0.10109 s]
/proc/loadavg: 3.97 3.97 3.54 4/189 23922
/proc/meminfo: memFree=30775936/32950928 swapFree=67054696/67111528
[pid=23922] ppid=23920 vsize=928 CPUtime=0.1 cores=1,3
/proc/23922/stat : 23922 (picomus) R 23920 23922 23146 0 -1 4202496 172 0 0 0 10 0 0 0 25 0 1 0 348041203 950272 125 33554432000 134512640 135072097 4289426768 18446744073709551615 134706017 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/23922/statm: 232 125 76 137 0 93 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 928

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

Child status: 20
Real time (s): 0.147235
CPU time (s): 0.145976
CPU user time (s): 0.144977
CPU system time (s): 0.000999
CPU usage (%): 99.1449
Max. virtual memory (cumulated for all children) (KiB): 928

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.144977
system time used= 0.000999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 175
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= 2
involuntary context switches= 1

runsolver used 0.000999 second user time and 0.006998 second system time

The end

Launcher Data 

Begin job on node112 at 2011-06-11 16:58:38
IDJOB=3493778
IDBENCH=87948
IDSOLVER=1974
FILE ID=node112/3493778-1307804318
RUNJOBID= node112-1307802514-23625
PBS_JOBID= 13551040
Free space on /tmp= 74036 MiB

SOLVER NAME= PicoMUS 941
BENCH NAME= SAT02/industrial/goldberg/bmc1/42.shuffled.cnf
COMMAND LINE= picomus BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3493778-1307804318/watcher-3493778-1307804318 -o /tmp/evaluation-result-3493778-1307804318/solver-3493778-1307804318 -C 1800 -W 1850 -M 7680  picomus HOME/instance-3493778-1307804318.cnf

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

MD5SUM BENCH= 30907148f2c64a22cb5e8b80fdf6edf7
RANDOM SEED=16853575

node112.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		: 2666.847
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	: 5333.69
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		: 2666.847
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	: 5180.45
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		: 2666.847
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		: 2666.847
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		: 2666.847
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	: 5332.61
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		: 2666.847
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		: 2666.847
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	: 5332.74
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		: 2666.847
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:     32950928 kB
MemFree:      30776720 kB
Buffers:        267856 kB
Cached:        1343956 kB
SwapCached:      10772 kB
Active:         795228 kB
Inactive:      1153640 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32950928 kB
LowFree:      30776720 kB
SwapTotal:    67111528 kB
SwapFree:     67054696 kB
Dirty:            2640 kB
Writeback:           0 kB
AnonPages:      334744 kB
Mapped:          10408 kB
Slab:           160660 kB
PageTables:       5544 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83586992 kB
Committed_AS:   569456 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= 74032 MiB
End job on node112 at 2011-06-11 16:58:38