Trace number 3274822

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
SAT09 reference solver: SATzilla2009_C 2009-03-22UNSAT 0.865867 0.869474

General information on the benchmark

NameSAT02/handmade/simon/
satex-challenges/c6288.shuffled.cnf
MD5SUM75bd8319132b47c2d2e6f0889735a248
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark0.865867
Satisfiable
(Un)Satisfiability was proved
Number of variables5008
Number of clauses14813
Sum of the clauses size34485
Maximum clause length33
Minimum clause length1
Number of clauses of size 11
Number of clauses of size 29982
Number of clauses of size 34829
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 51

Solver Data 

0.00/0.86	c SATzilla is building models for class 2
0.00/0.86	c run presolver march_dl2004 for 5 seconds ... 
0.00/0.86	c Bin: Executing march_dl2004
0.00/0.86	c spawning binary file with 5 seconds ...
0.00/0.86	c child exited successfully
0.00/0.86	c march_dl2004 returned code 20.
0.00/0.86	s UNSATISFIABLE
0.00/0.86	c SATZILLA_TIME=0.860000

Verifier Data 

No possible verification on an UNSAT instance

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-3274822-1303609130/watcher-3274822-1303609130 -o /tmp/evaluation-result-3274822-1303609130/solver-3274822-1303609130 -C 2400 -W 1300 -M 7680 HOME/SATzilla2009_C HOME/instance-3274822-1303609130.cnf 

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: 1.46 3.16 3.61 5/174 21336
/proc/meminfo: memFree=13784232/32950928 swapFree=67111528/67111528
[pid=21336] ppid=21334 vsize=2136 CPUtime=0 cores=0,2
/proc/21336/stat : 21336 (SATzilla2009_C) S 21334 21336 21291 0 -1 4202496 163 0 0 0 0 0 0 0 25 0 1 0 551143671 2187264 114 33554432000 134512640 136149437 4287675504 18446744073709551615 135542781 0 0 4096 0 18446744071562232103 0 0 17 0 0 0 0
/proc/21336/statm: 534 114 97 400 0 131 0

[startup+0.034909 s]
/proc/loadavg: 1.46 3.16 3.61 5/174 21336
/proc/meminfo: memFree=13784232/32950928 swapFree=67111528/67111528
[pid=21336] ppid=21334 vsize=2136 CPUtime=0 cores=0,2
/proc/21336/stat : 21336 (SATzilla2009_C) S 21334 21336 21291 0 -1 4202496 163 0 0 0 0 0 0 0 25 0 1 0 551143671 2187264 114 33554432000 134512640 136149437 4287675504 18446744073709551615 135542781 0 0 4096 0 18446744071562232103 0 0 17 0 0 0 0
/proc/21336/statm: 534 114 97 400 0 131 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 2136

[startup+0.100923 s]
/proc/loadavg: 1.46 3.16 3.61 5/174 21336
/proc/meminfo: memFree=13784232/32950928 swapFree=67111528/67111528
[pid=21336] ppid=21334 vsize=2136 CPUtime=0 cores=0,2
/proc/21336/stat : 21336 (SATzilla2009_C) S 21334 21336 21291 0 -1 4202496 163 0 0 0 0 0 0 0 25 0 1 0 551143671 2187264 114 33554432000 134512640 136149437 4287675504 18446744073709551615 135542781 0 0 4096 0 18446744071562232103 0 0 17 0 0 0 0
/proc/21336/statm: 534 114 97 400 0 131 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 2136

[startup+0.30086 s]
/proc/loadavg: 1.46 3.16 3.61 5/174 21336
/proc/meminfo: memFree=13784232/32950928 swapFree=67111528/67111528
[pid=21336] ppid=21334 vsize=2136 CPUtime=0 cores=0,2
/proc/21336/stat : 21336 (SATzilla2009_C) S 21334 21336 21291 0 -1 4202496 163 0 0 0 0 0 0 0 25 0 1 0 551143671 2187264 114 33554432000 134512640 136149437 4287675504 18446744073709551615 135542781 0 0 4096 0 18446744071562232103 0 0 17 0 0 0 0
/proc/21336/statm: 534 114 97 400 0 131 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 2136

[startup+0.70081 s]
/proc/loadavg: 1.46 3.16 3.61 5/174 21336
/proc/meminfo: memFree=13784232/32950928 swapFree=67111528/67111528
[pid=21336] ppid=21334 vsize=2136 CPUtime=0 cores=0,2
/proc/21336/stat : 21336 (SATzilla2009_C) S 21334 21336 21291 0 -1 4202496 163 0 0 0 0 0 0 0 25 0 1 0 551143671 2187264 114 33554432000 134512640 136149437 4287675504 18446744073709551615 135542781 0 0 4096 0 18446744071562232103 0 0 17 0 0 0 0
/proc/21336/statm: 534 114 97 400 0 131 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 2136

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

[startup+0.800784 s]
/proc/loadavg: 1.46 3.16 3.61 5/174 21336
/proc/meminfo: memFree=13784232/32950928 swapFree=67111528/67111528
[pid=21336] ppid=21334 vsize=2136 CPUtime=0 cores=0,2
/proc/21336/stat : 21336 (SATzilla2009_C) S 21334 21336 21291 0 -1 4202496 163 0 0 0 0 0 0 0 25 0 1 0 551143671 2187264 114 33554432000 134512640 136149437 4287675504 18446744073709551615 135542781 0 0 4096 0 18446744071562232103 0 0 17 0 0 0 0
/proc/21336/statm: 534 114 97 400 0 131 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 2136

Child status: 20
Real time (s): 0.869474
CPU time (s): 0.865867
CPU user time (s): 0.863868
CPU system time (s): 0.001999
CPU usage (%): 99.5852
Max. virtual memory (cumulated for all children) (KiB): 2136

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.863868
system time used= 0.001999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1235
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= 10

runsolver used 0.002999 second user time and 0.003999 second system time

The end

Launcher Data 

Begin job on node113 at 2011-04-24 03:38:50
IDJOB=3274822
IDBENCH=87734
IDSOLVER=1675
FILE ID=node113/3274822-1303609130
RUNJOBID= node113-1303609130-21309
PBS_JOBID= 13150626
Free space on /tmp= 70780 MiB

SOLVER NAME= SAT09 reference solver: SATzilla2009_C 2009-03-22
BENCH NAME= SAT02/handmade/simon/satex-challenges/c6288.shuffled.cnf
COMMAND LINE= HOME/SATzilla2009_C BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3274822-1303609130/watcher-3274822-1303609130 -o /tmp/evaluation-result-3274822-1303609130/solver-3274822-1303609130 -C 2400 -W 1300 -M 7680  HOME/SATzilla2009_C HOME/instance-3274822-1303609130.cnf

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

MD5SUM BENCH= 75bd8319132b47c2d2e6f0889735a248
RANDOM SEED=1017608373

node113.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		: 2666.846
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		: 2666.846
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	: 5332.76
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		: 2666.846
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	: 5332.74
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		: 2666.846
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		: 2666.846
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		: 2666.846
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	: 5332.75
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		: 2666.846
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	: 5332.83
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		: 2666.846
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	: 5332.74
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]


/proc/meminfo:
MemTotal:     32950928 kB
MemFree:      13784388 kB
Buffers:       1843632 kB
Cached:       16666760 kB
SwapCached:          0 kB
Active:       10673892 kB
Inactive:      7900652 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32950928 kB
LowFree:      13784388 kB
SwapTotal:    67111528 kB
SwapFree:     67111528 kB
Dirty:          125824 kB
Writeback:           0 kB
AnonPages:       63640 kB
Mapped:          14320 kB
Slab:           526424 kB
PageTables:       5392 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83586992 kB
Committed_AS:   192404 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= 70704 MiB
End job on node113 at 2011-04-24 03:38:51