Trace number 3499749

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
sattime+ 2011-03-02SAT 7.38188 7.3826

General information on the benchmark

NameCRAFTED/
edgematching/all/em_8_4_5_all.cnf
MD5SUMbcbe82a00b39f246e1dc1a85b2c8371e
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark1.52377
Satisfiable
(Un)Satisfiability was proved
Number of variables2420
Number of clauses62900
Sum of the clauses size155908
Maximum clause length36
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 243724
Number of clauses of size 313968
Number of clauses of size 42628
Number of clauses of size 52460
Number of clauses of size over 5120

Solver Data

7.29/7.38	c 1296 clauses are redundant and removed
7.29/7.38	c 0 vars are fixed and 1296 clauses are removed after unit propagation
7.29/7.38	c 52 vars are fixed and 2296 clauses are removed after lookahead
7.29/7.38	c initial seed is 1312425610
7.29/7.38	c try=1 flip j=6005409 walk=5358344 seed 1312425627
7.29/7.38	c A solution is found
7.29/7.38	s SATISFIABLE
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7.29/7.38	v 0 
7.29/7.38	c Done (mycputime is 7 seconds)

Verifier Data

OK

Watcher Data

runsolver Copyright (C) 2010-2011 Olivier ROUSSEL

This is runsolver version 3.3.1 (svn: 989)

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 /var/tmp/evaluation-result-3499749-1307967064/watcher-3499749-1307967064 -o /var/tmp/evaluation-result-3499749-1307967064/solver-3499749-1307967064 -C 5000 -W 5100 -M 15500 sattime+ HOME/instance-3499749-1307967064.cnf 1312425497 

running on 4 cores: 1,3,5,7

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 5000 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 5030 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 5100 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 15872000 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 15923200 KiB
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 0.92 1.28 1.66 2/179 9818
/proc/meminfo: memFree=12163368/32951124 swapFree=67054536/67111528
[pid=9818] ppid=9816 vsize=881028 CPUtime=0 cores=1,3,5,7
/proc/9818/stat : 9818 (sattime+) R 9816 9818 6852 0 -1 4194304 333 0 0 0 0 0 0 0 23 0 1 0 908304279 902172672 277 33554432000 4194304 4228340 140734208421888 18446744073709551615 271550537472 0 0 4096 0 0 0 0 17 5 0 0 0
/proc/9818/statm: 220257 278 102 9 0 217414 0

[startup+0.0178771 s]
/proc/loadavg: 0.92 1.28 1.66 2/179 9818
/proc/meminfo: memFree=12163368/32951124 swapFree=67054536/67111528
[pid=9818] ppid=9816 vsize=881952 CPUtime=0.01 cores=1,3,5,7
/proc/9818/stat : 9818 (sattime+) R 9816 9818 6852 0 -1 4194304 651 0 0 0 1 0 0 0 23 0 1 0 908304279 903118848 595 33554432000 4194304 4228340 140734208421888 18446744073709551615 4202878 0 0 4096 0 0 0 0 17 5 0 0 0
/proc/9818/statm: 220488 597 102 9 0 217645 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 881952

[startup+0.100845 s]
/proc/loadavg: 0.92 1.28 1.66 2/179 9818
/proc/meminfo: memFree=12163368/32951124 swapFree=67054536/67111528
[pid=9818] ppid=9816 vsize=886304 CPUtime=0.09 cores=1,3,5,7
/proc/9818/stat : 9818 (sattime+) R 9816 9818 6852 0 -1 4202496 1982 0 0 0 9 0 0 0 23 0 1 0 908304279 907575296 1925 33554432000 4194304 4228340 140734208421888 18446744073709551615 4206897 0 0 4096 0 0 0 0 17 5 0 0 0
/proc/9818/statm: 221576 1925 104 9 0 218733 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 886304

[startup+0.300807 s]
/proc/loadavg: 0.92 1.28 1.66 2/179 9818
/proc/meminfo: memFree=12163368/32951124 swapFree=67054536/67111528
[pid=9818] ppid=9816 vsize=887100 CPUtime=0.29 cores=1,3,5,7
/proc/9818/stat : 9818 (sattime+) R 9816 9818 6852 0 -1 4202496 2495 0 0 0 29 0 0 0 25 0 1 0 908304279 908390400 2437 33554432000 4194304 4228340 140734208421888 18446744073709551615 4218896 0 0 4096 0 0 0 0 17 5 0 0 0
/proc/9818/statm: 221775 2437 116 9 0 218932 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 887100

[startup+0.700732 s]
/proc/loadavg: 0.92 1.28 1.66 2/179 9818
/proc/meminfo: memFree=12163368/32951124 swapFree=67054536/67111528
[pid=9818] ppid=9816 vsize=887100 CPUtime=0.69 cores=1,3,5,7
/proc/9818/stat : 9818 (sattime+) R 9816 9818 6852 0 -1 4202496 2495 0 0 0 69 0 0 0 25 0 1 0 908304279 908390400 2437 33554432000 4194304 4228340 140734208421888 18446744073709551615 4214592 0 0 4096 0 0 0 0 17 5 0 0 0
/proc/9818/statm: 221775 2437 116 9 0 218932 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 887100

[startup+1.5006 s]
/proc/loadavg: 0.92 1.28 1.66 3/182 9824
/proc/meminfo: memFree=12132996/32951124 swapFree=67054536/67111528
[pid=9818] ppid=9816 vsize=887100 CPUtime=1.49 cores=1,3,5,7
/proc/9818/stat : 9818 (sattime+) R 9816 9818 6852 0 -1 4202496 2495 0 0 0 149 0 0 0 25 0 1 0 908304279 908390400 2437 33554432000 4194304 4228340 140734208421888 18446744073709551615 4218623 0 0 4096 0 0 0 0 17 5 0 0 0
/proc/9818/statm: 221775 2437 116 9 0 218932 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 887100

[startup+3.10031 s]
/proc/loadavg: 0.92 1.28 1.66 3/182 9824
/proc/meminfo: memFree=12131800/32951124 swapFree=67054536/67111528
[pid=9818] ppid=9816 vsize=887100 CPUtime=3.09 cores=1,3,5,7
/proc/9818/stat : 9818 (sattime+) R 9816 9818 6852 0 -1 4202496 2495 0 0 0 309 0 0 0 25 0 1 0 908304279 908390400 2437 33554432000 4194304 4228340 140734208421888 18446744073709551615 4214599 0 0 4096 0 0 0 0 17 5 0 0 0
/proc/9818/statm: 221775 2437 116 9 0 218932 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 887100

[startup+6.30072 s]
/proc/loadavg: 1.01 1.29 1.66 3/182 9824
/proc/meminfo: memFree=12131840/32951124 swapFree=67054536/67111528
[pid=9818] ppid=9816 vsize=887100 CPUtime=6.29 cores=1,3,5,7
/proc/9818/stat : 9818 (sattime+) R 9816 9818 6852 0 -1 4202496 2495 0 0 0 629 0 0 0 25 0 1 0 908304279 908390400 2437 33554432000 4194304 4228340 140734208421888 18446744073709551615 4218640 0 0 4096 0 0 0 0 17 5 0 0 0
/proc/9818/statm: 221775 2437 116 9 0 218932 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 887100

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

[startup+7.10057 s]
/proc/loadavg: 1.01 1.29 1.66 3/182 9824
/proc/meminfo: memFree=12131964/32951124 swapFree=67054536/67111528
[pid=9818] ppid=9816 vsize=887100 CPUtime=7.09 cores=1,3,5,7
/proc/9818/stat : 9818 (sattime+) R 9816 9818 6852 0 -1 4202496 2495 0 0 0 709 0 0 0 25 0 1 0 908304279 908390400 2437 33554432000 4194304 4228340 140734208421888 18446744073709551615 4217336 0 0 4096 0 0 0 0 17 5 0 0 0
/proc/9818/statm: 221775 2437 116 9 0 218932 0
Current children cumulated CPU time (s) 7.09
Current children cumulated vsize (KiB) 887100

[startup+7.30053 s]
/proc/loadavg: 1.01 1.29 1.66 3/182 9824
/proc/meminfo: memFree=12131964/32951124 swapFree=67054536/67111528
[pid=9818] ppid=9816 vsize=887100 CPUtime=7.29 cores=1,3,5,7
/proc/9818/stat : 9818 (sattime+) R 9816 9818 6852 0 -1 4202496 2495 0 0 0 729 0 0 0 25 0 1 0 908304279 908390400 2437 33554432000 4194304 4228340 140734208421888 18446744073709551615 4217233 0 0 4096 0 0 0 0 17 5 0 0 0
/proc/9818/statm: 221775 2437 116 9 0 218932 0
Current children cumulated CPU time (s) 7.29
Current children cumulated vsize (KiB) 887100

Child status: 10
Real time (s): 7.3826
CPU time (s): 7.38188
CPU user time (s): 7.37888
CPU system time (s): 0.002999
CPU usage (%): 99.9902
Max. virtual memory (cumulated for all children) (KiB): 887100

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 7.37888
system time used= 0.002999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2500
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= 31

runsolver used 0.012998 second user time and 0.024996 second system time

The end

Launcher Data

Begin job on node133 at 2011-06-13 14:11:04
IDJOB=3499749
IDBENCH=70922
IDSOLVER=1996
FILE ID=node133/3499749-1307967064
RUNJOBID= node133-1307967064-9796
PBS_JOBID= 13559695
Free space on /var/tmp= 2896 MiB

SOLVER NAME= sattime+ 2011-03-02
BENCH NAME= SAT09/CRAFTED/edgematching/all/em_8_4_5_all.cnf
COMMAND LINE= sattime+ BENCHNAME RANDOMSEED
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /var/tmp/evaluation-result-3499749-1307967064/watcher-3499749-1307967064 -o /var/tmp/evaluation-result-3499749-1307967064/solver-3499749-1307967064 -C 5000 -W 5100 -M 15500  sattime+ HOME/instance-3499749-1307967064.cnf 1312425497

TIME LIMIT= 5000 seconds
MEMORY LIMIT= 15500 MiB
NBCORE= 4

MD5SUM BENCH= bcbe82a00b39f246e1dc1a85b2c8371e
RANDOM SEED=1312425497

node133.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		: 2666.834
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		: 2666.834
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		: 2666.834
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	: 5332.82
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		: 2666.834
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	: 6741.12
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		: 2666.834
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		: 2666.834
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		: 2666.834
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		: 2666.834
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:      12164464 kB
Buffers:        108716 kB
Cached:       19979188 kB
SwapCached:      10288 kB
Active:        4311088 kB
Inactive:     15796496 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951124 kB
LowFree:      12164464 kB
SwapTotal:    67111528 kB
SwapFree:     67054536 kB
Dirty:           18276 kB
Writeback:           4 kB
AnonPages:       17316 kB
Mapped:          12180 kB
Slab:           615776 kB
PageTables:       4360 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587088 kB
Committed_AS:   188484 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 /var/tmp at the end= 2880 MiB
End job on node133 at 2011-06-13 14:11:11