Trace number 3258580

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 8.17476 8.17553

General information on the benchmark

NameCRAFTED/rbsat/random/forced/
rbsat-v1375c111739gyes10.cnf
MD5SUMc904604702db7cfabf92e607e197d409
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark8.17476
Satisfiable
(Un)Satisfiability was proved
Number of variables1375
Number of clauses111739
Sum of the clauses size224743
Maximum clause length25
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 2111684
Number of clauses of size 30
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 555

Solver Data 

8.09/8.17	c 4930 clauses are redundant and removed
8.09/8.17	c 0 vars are fixed and 4930 clauses are removed after unit propagation
8.09/8.17	c 0 vars are fixed and 4930 clauses are removed after lookahead
8.09/8.17	c initial seed is 699945283
8.09/8.17	c try=1 flip j=1894143 walk=1651283 seed 699945300
8.09/8.17	c A solution is found
8.09/8.17	s SATISFIABLE
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8.09/8.17	v 0 
8.09/8.17	c Done (mycputime is 8 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-3258580-1303476619/watcher-3258580-1303476619 -o /tmp/evaluation-result-3258580-1303476619/solver-3258580-1303476619 -C 2400 -W 1300 -M 7680 shortsattime2011 HOME/instance-3258580-1303476619.cnf 699938496 

running on 2 cores: 0,2

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: 3.19 3.12 3.15 6/187 9252
/proc/meminfo: memFree=19644068/32951132 swapFree=67111524/67111528
[pid=9252] ppid=9250 vsize=1185848 CPUtime=0 cores=0,2
/proc/9252/stat : 9252 (shortsattime201) R 9250 9252 7761 0 -1 4194304 341 0 0 0 0 0 0 0 22 0 1 0 459261658 1214308352 285 33554432000 4194304 4230460 140735258085792 18446744073709551615 210646550241 0 0 4096 0 0 0 0 17 0 0 0 0
/proc/9252/statm: 296462 285 100 9 0 293619 0

[startup+0.094265 s]
/proc/loadavg: 3.19 3.12 3.15 6/187 9252
/proc/meminfo: memFree=19644068/32951132 swapFree=67111524/67111528
[pid=9252] ppid=9250 vsize=1194160 CPUtime=0.09 cores=0,2
/proc/9252/stat : 9252 (shortsattime201) R 9250 9252 7761 0 -1 4202496 3057 0 0 0 9 0 0 0 22 0 1 0 459261658 1222819840 3000 33554432000 4194304 4230460 140735258085792 18446744073709551615 4207744 0 0 4096 0 0 0 0 17 0 0 0 0
/proc/9252/statm: 298540 3000 103 9 0 295697 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 1194160

[startup+0.100256 s]
/proc/loadavg: 3.19 3.12 3.15 6/187 9252
/proc/meminfo: memFree=19644068/32951132 swapFree=67111524/67111528
[pid=9252] ppid=9250 vsize=1194160 CPUtime=0.09 cores=0,2
/proc/9252/stat : 9252 (shortsattime201) R 9250 9252 7761 0 -1 4202496 3058 0 0 0 9 0 0 0 22 0 1 0 459261658 1222819840 3001 33554432000 4194304 4230460 140735258085792 18446744073709551615 4207715 0 0 4096 0 0 0 0 17 0 0 0 0
/proc/9252/statm: 298540 3001 103 9 0 295697 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 1194160

[startup+0.300204 s]
/proc/loadavg: 3.19 3.12 3.15 6/187 9252
/proc/meminfo: memFree=19644068/32951132 swapFree=67111524/67111528
[pid=9252] ppid=9250 vsize=1194160 CPUtime=0.29 cores=0,2
/proc/9252/stat : 9252 (shortsattime201) R 9250 9252 7761 0 -1 4202496 3060 0 0 0 29 0 0 0 23 0 1 0 459261658 1222819840 3003 33554432000 4194304 4230460 140735258085792 18446744073709551615 4207715 0 0 4096 0 0 0 0 17 0 0 0 0
/proc/9252/statm: 298540 3003 103 9 0 295697 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 1194160

[startup+0.701135 s]
/proc/loadavg: 3.19 3.12 3.15 6/187 9252
/proc/meminfo: memFree=19644068/32951132 swapFree=67111524/67111528
[pid=9252] ppid=9250 vsize=1198388 CPUtime=0.69 cores=0,2
/proc/9252/stat : 9252 (shortsattime201) R 9250 9252 7761 0 -1 4202496 5245 0 0 0 69 0 0 0 25 0 1 0 459261658 1227149312 5187 33554432000 4194304 4230460 140735258085792 18446744073709551615 4220253 0 0 4096 0 0 0 0 17 0 0 0 0
/proc/9252/statm: 299597 5187 117 9 0 296754 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 1198388

[startup+1.501 s]
/proc/loadavg: 3.19 3.12 3.15 5/188 9253
/proc/meminfo: memFree=19623360/32951132 swapFree=67111524/67111528
[pid=9252] ppid=9250 vsize=1198388 CPUtime=1.49 cores=0,2
/proc/9252/stat : 9252 (shortsattime201) R 9250 9252 7761 0 -1 4202496 5245 0 0 0 149 0 0 0 25 0 1 0 459261658 1227149312 5187 33554432000 4194304 4230460 140735258085792 18446744073709551615 4220692 0 0 4096 0 0 0 0 17 0 0 0 0
/proc/9252/statm: 299597 5187 117 9 0 296754 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 1198388

[startup+3.10077 s]
/proc/loadavg: 3.19 3.12 3.15 6/188 9253
/proc/meminfo: memFree=19623132/32951132 swapFree=67111524/67111528
[pid=9252] ppid=9250 vsize=1198388 CPUtime=3.09 cores=0,2
/proc/9252/stat : 9252 (shortsattime201) R 9250 9252 7761 0 -1 4202496 5245 0 0 0 309 0 0 0 25 0 1 0 459261658 1227149312 5187 33554432000 4194304 4230460 140735258085792 18446744073709551615 4220853 0 0 4096 0 0 0 0 17 0 0 0 0
/proc/9252/statm: 299597 5187 117 9 0 296754 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 1198388

[startup+6.30019 s]
/proc/loadavg: 3.33 3.15 3.16 5/188 9253
/proc/meminfo: memFree=19622892/32951132 swapFree=67111524/67111528
[pid=9252] ppid=9250 vsize=1198388 CPUtime=6.29 cores=0,2
/proc/9252/stat : 9252 (shortsattime201) R 9250 9252 7761 0 -1 4202496 5245 0 0 0 629 0 0 0 25 0 1 0 459261658 1227149312 5187 33554432000 4194304 4230460 140735258085792 18446744073709551615 4220692 0 0 4096 0 0 0 0 17 0 0 0 0
/proc/9252/statm: 299597 5187 117 9 0 296754 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 1198388

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

[startup+7.10108 s]
/proc/loadavg: 3.33 3.15 3.16 5/188 9253
/proc/meminfo: memFree=19622900/32951132 swapFree=67111524/67111528
[pid=9252] ppid=9250 vsize=1198388 CPUtime=7.09 cores=0,2
/proc/9252/stat : 9252 (shortsattime201) R 9250 9252 7761 0 -1 4202496 5245 0 0 0 708 1 0 0 25 0 1 0 459261658 1227149312 5187 33554432000 4194304 4230460 140735258085792 18446744073709551615 4220272 0 0 4096 0 0 0 0 17 0 0 0 0
/proc/9252/statm: 299597 5187 117 9 0 296754 0
Current children cumulated CPU time (s) 7.09
Current children cumulated vsize (KiB) 1198388

[startup+7.90095 s]
/proc/loadavg: 3.33 3.15 3.16 6/188 9253
/proc/meminfo: memFree=19622908/32951132 swapFree=67111524/67111528
[pid=9252] ppid=9250 vsize=1198388 CPUtime=7.89 cores=0,2
/proc/9252/stat : 9252 (shortsattime201) R 9250 9252 7761 0 -1 4202496 5245 0 0 0 788 1 0 0 25 0 1 0 459261658 1227149312 5187 33554432000 4194304 4230460 140735258085792 18446744073709551615 4219578 0 0 4096 0 0 0 0 17 0 0 0 0
/proc/9252/statm: 299597 5187 117 9 0 296754 0
Current children cumulated CPU time (s) 7.89
Current children cumulated vsize (KiB) 1198388

[startup+8.10091 s]
/proc/loadavg: 3.33 3.15 3.16 6/188 9253
/proc/meminfo: memFree=19622908/32951132 swapFree=67111524/67111528
[pid=9252] ppid=9250 vsize=1198388 CPUtime=8.09 cores=0,2
/proc/9252/stat : 9252 (shortsattime201) R 9250 9252 7761 0 -1 4202496 5245 0 0 0 808 1 0 0 25 0 1 0 459261658 1227149312 5187 33554432000 4194304 4230460 140735258085792 18446744073709551615 4220853 0 0 4096 0 0 0 0 17 0 0 0 0
/proc/9252/statm: 299597 5187 117 9 0 296754 0
Current children cumulated CPU time (s) 8.09
Current children cumulated vsize (KiB) 1198388

Child status: 10
Real time (s): 8.17553
CPU time (s): 8.17476
CPU user time (s): 8.15476
CPU system time (s): 0.019996
CPU usage (%): 99.9906
Max. virtual memory (cumulated for all children) (KiB): 1198388

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 8.15476
system time used= 0.019996
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 5249
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= 108

runsolver used 0.015997 second user time and 0.034994 second system time

The end

Launcher Data 

Begin job on node129 at 2011-04-22 14:50:20
IDJOB=3258580
IDBENCH=71397
IDSOLVER=1566
FILE ID=node129/3258580-1303476619
RUNJOBID= node129-1303476613-9182
PBS_JOBID= 13107190
Free space on /tmp= 66296 MiB

SOLVER NAME= shortsattime2011 2011-03-02
BENCH NAME= SAT09/CRAFTED/rbsat/random/forced/rbsat-v1375c111739gyes10.cnf
COMMAND LINE= shortsattime2011 BENCHNAME RANDOMSEED
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3258580-1303476619/watcher-3258580-1303476619 -o /tmp/evaluation-result-3258580-1303476619/solver-3258580-1303476619 -C 2400 -W 1300 -M 7680  shortsattime2011 HOME/instance-3258580-1303476619.cnf 699938496

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

MD5SUM BENCH= c904604702db7cfabf92e607e197d409
RANDOM SEED=699938496

node129.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		: 2666.831
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		: 2666.831
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	: 5332.83
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		: 2666.831
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		: 2666.831
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		: 2666.831
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		: 2666.831
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		: 2666.831
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		: 2666.831
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:     32951132 kB
MemFree:      19644224 kB
Buffers:        812416 kB
Cached:       11694692 kB
SwapCached:          4 kB
Active:        1324704 kB
Inactive:     11384932 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951132 kB
LowFree:      19644224 kB
SwapTotal:    67111528 kB
SwapFree:     67111524 kB
Dirty:           42704 kB
Writeback:          24 kB
AnonPages:      202260 kB
Mapped:          15500 kB
Slab:           533456 kB
PageTables:       6036 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587092 kB
Committed_AS:  3882628 kB
VmallocTotal: 34359738367 kB
VmallocUsed:    296000 kB
VmallocChunk: 34359440975 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66288 MiB
End job on node129 at 2011-04-22 14:50:29