Trace number 3379681

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
SApperloT2010 2011-05-15 (fixed)UNSAT 7.54785 7.54759

General information on the benchmark

NameSAT03/handmade/bevan/cnf/
marg3x3add8.shuffled-as.sat03-1449.cnf
MD5SUMb91fa4fe3fb0fdf9c902d36266504764
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark0.000999
Satisfiable
(Un)Satisfiability was proved
Number of variables41
Number of clauses224
Sum of the clauses size1056
Maximum clause length5
Minimum clause length4
Number of clauses of size 10
Number of clauses of size 20
Number of clauses of size 30
Number of clauses of size 464
Number of clauses of size 5160
Number of clauses of size over 50

Solver Data 

7.49/7.54	c Solved by BasicSolver 
7.49/7.54	
7.49/7.54	s UNSATISFIABLE

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: 961)

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-3379681-1305460047/watcher-3379681-1305460047 -o /tmp/evaluation-result-3379681-1305460047/solver-3379681-1305460047 -C 2400 -W 1300 -M 7680 SApperloT2010 HOME/instance-3379681-1305460047.cnf 

running on 2 cores: 5,7

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: 1.78 2.05 2.39 2/411 16659
/proc/meminfo: memFree=25315128/32951124 swapFree=53501236/67111528
[pid=16659] ppid=16656 vsize=11904 CPUtime=0.01 cores=5,7
/proc/16659/stat : 16659 (SApperloT2010) R 16656 16659 13135 0 -1 4202496 411 0 0 0 1 0 0 0 24 0 1 0 657607315 12189696 351 33554432000 4194304 4394578 140737483063808 18446744073709551615 216634539927 0 0 4096 6 0 0 0 17 5 0 0 0
/proc/16659/statm: 2976 351 266 49 0 117 0

[startup+0.0183659 s]
/proc/loadavg: 1.78 2.05 2.39 2/411 16659
/proc/meminfo: memFree=25315128/32951124 swapFree=53501236/67111528
[pid=16659] ppid=16656 vsize=11904 CPUtime=0.01 cores=5,7
/proc/16659/stat : 16659 (SApperloT2010) R 16656 16659 13135 0 -1 4202496 419 0 0 0 1 0 0 0 24 0 1 0 657607315 12189696 359 33554432000 4194304 4394578 140737483063808 18446744073709551615 4291928 0 0 4096 6 0 0 0 17 5 0 0 0
/proc/16659/statm: 2976 359 266 49 0 117 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 11904

[startup+0.100406 s]
/proc/loadavg: 1.78 2.05 2.39 2/411 16659
/proc/meminfo: memFree=25315128/32951124 swapFree=53501236/67111528
[pid=16659] ppid=16656 vsize=12300 CPUtime=0.09 cores=5,7
/proc/16659/stat : 16659 (SApperloT2010) R 16656 16659 13135 0 -1 4202496 495 0 0 0 9 0 0 0 25 0 1 0 657607315 12595200 435 33554432000 4194304 4394578 140737483063808 18446744073709551615 4297106 0 0 4096 6 0 0 0 17 5 0 0 0
/proc/16659/statm: 3075 435 266 49 0 216 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 12300

[startup+0.300351 s]
/proc/loadavg: 1.78 2.05 2.39 2/411 16659
/proc/meminfo: memFree=25315128/32951124 swapFree=53501236/67111528
[pid=16659] ppid=16656 vsize=12696 CPUtime=0.29 cores=5,7
/proc/16659/stat : 16659 (SApperloT2010) R 16656 16659 13135 0 -1 4202496 617 0 0 0 29 0 0 0 25 0 1 0 657607315 13000704 557 33554432000 4194304 4394578 140737483063808 18446744073709551615 4309071 0 0 4096 6 0 0 0 17 5 0 0 0
/proc/16659/statm: 3174 557 267 49 0 315 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 12696

[startup+0.700279 s]
/proc/loadavg: 1.78 2.05 2.39 2/411 16659
/proc/meminfo: memFree=25315128/32951124 swapFree=53501236/67111528
[pid=16659] ppid=16656 vsize=13620 CPUtime=0.69 cores=5,7
/proc/16659/stat : 16659 (SApperloT2010) R 16656 16659 13135 0 -1 4202496 838 0 0 0 69 0 0 0 25 0 1 0 657607315 13946880 778 33554432000 4194304 4394578 140737483063808 18446744073709551615 4298721 0 0 4096 6 0 0 0 17 5 0 0 0
/proc/16659/statm: 3405 778 267 49 0 546 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 13620

[startup+1.50014 s]
/proc/loadavg: 1.96 2.08 2.39 5/426 16684
/proc/meminfo: memFree=25259284/32951124 swapFree=53501236/67111528
[pid=16659] ppid=16656 vsize=15336 CPUtime=1.49 cores=5,7
/proc/16659/stat : 16659 (SApperloT2010) R 16656 16659 13135 0 -1 4202496 1267 0 0 0 149 0 0 0 25 0 1 0 657607315 15704064 1207 33554432000 4194304 4394578 140737483063808 18446744073709551615 4296148 0 0 4096 6 0 0 0 17 5 0 0 0
/proc/16659/statm: 3834 1207 267 49 0 975 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 15336

[startup+3.10085 s]
/proc/loadavg: 1.96 2.08 2.39 5/426 16684
/proc/meminfo: memFree=25209312/32951124 swapFree=53501236/67111528
[pid=16659] ppid=16656 vsize=18768 CPUtime=3.09 cores=5,7
/proc/16659/stat : 16659 (SApperloT2010) R 16656 16659 13135 0 -1 4202496 2118 0 0 0 309 0 0 0 25 0 1 0 657607315 19218432 2058 33554432000 4194304 4394578 140737483063808 18446744073709551615 4295805 0 0 4096 6 0 0 0 17 5 0 0 0
/proc/16659/statm: 4692 2058 267 49 0 1833 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 18768

[startup+6.30028 s]
/proc/loadavg: 1.96 2.08 2.39 5/426 16684
/proc/meminfo: memFree=25186324/32951124 swapFree=53501236/67111528
[pid=16659] ppid=16656 vsize=23784 CPUtime=6.29 cores=5,7
/proc/16659/stat : 16659 (SApperloT2010) R 16656 16659 13135 0 -1 4202496 3373 0 0 0 629 0 0 0 25 0 1 0 657607315 24354816 3313 33554432000 4194304 4394578 140737483063808 18446744073709551615 4287200 0 0 4096 6 0 0 0 17 5 0 0 0
/proc/16659/statm: 5946 3313 267 49 0 3087 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 23784

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

[startup+7.10014 s]
/proc/loadavg: 2.12 2.11 2.40 5/426 16684
/proc/meminfo: memFree=25180796/32951124 swapFree=53501236/67111528
[pid=16659] ppid=16656 vsize=25236 CPUtime=7.09 cores=5,7
/proc/16659/stat : 16659 (SApperloT2010) R 16656 16659 13135 0 -1 4202496 3756 0 0 0 709 0 0 0 25 0 1 0 657607315 25841664 3696 33554432000 4194304 4394578 140737483063808 18446744073709551615 4287736 0 0 4096 6 0 0 0 17 5 0 0 0
/proc/16659/statm: 6309 3696 267 49 0 3450 0
Current children cumulated CPU time (s) 7.09
Current children cumulated vsize (KiB) 25236

[startup+7.50108 s]
/proc/loadavg: 2.12 2.11 2.40 5/426 16684
/proc/meminfo: memFree=25180796/32951124 swapFree=53501236/67111528
[pid=16659] ppid=16656 vsize=25236 CPUtime=7.49 cores=5,7
/proc/16659/stat : 16659 (SApperloT2010) R 16656 16659 13135 0 -1 4202496 3756 0 0 0 749 0 0 0 25 0 1 0 657607315 25841664 3696 33554432000 4194304 4394578 140737483063808 18446744073709551615 4287754 0 0 4096 6 0 0 0 17 5 0 0 0
/proc/16659/statm: 6309 3696 267 49 0 3450 0
Current children cumulated CPU time (s) 7.49
Current children cumulated vsize (KiB) 25236

Child status: 20
Real time (s): 7.54759
CPU time (s): 7.54785
CPU user time (s): 7.53885
CPU system time (s): 0.008998
CPU usage (%): 100.003
Max. virtual memory (cumulated for all children) (KiB): 25236

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 7.53885
system time used= 0.008998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 3768
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= 10
involuntary context switches= 81

runsolver used 0.041993 second user time and 0.076988 second system time

The end

Launcher Data 

Begin job on node103 at 2011-05-15 13:47:27
IDJOB=3379681
IDBENCH=84072
IDSOLVER=1862
FILE ID=node103/3379681-1305460047
RUNJOBID= node103-1305460047-16644
PBS_JOBID= 13324856
Free space on /tmp= 72988 MiB

SOLVER NAME= SApperloT2010 2011-05-15 (fixed)
BENCH NAME= SAT03/handmade/bevan/cnf/marg3x3add8.shuffled-as.sat03-1449.cnf
COMMAND LINE= SApperloT2010 BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3379681-1305460047/watcher-3379681-1305460047 -o /tmp/evaluation-result-3379681-1305460047/solver-3379681-1305460047 -C 2400 -W 1300 -M 7680  SApperloT2010 HOME/instance-3379681-1305460047.cnf

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

MD5SUM BENCH= b91fa4fe3fb0fdf9c902d36266504764
RANDOM SEED=168030886

node103.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		: 2666.858
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	: 5333.71
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		: 2666.858
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		: 2666.858
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		: 2666.858
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	: 5332.77
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		: 2666.858
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	: 5332.75
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		: 2666.858
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		: 2666.858
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		: 2666.858
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:      25315392 kB
Buffers:        325056 kB
Cached:        4101820 kB
SwapCached:     340192 kB
Active:        2131108 kB
Inactive:      5215312 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951124 kB
LowFree:      25315392 kB
SwapTotal:    67111528 kB
SwapFree:     53501236 kB
Dirty:             144 kB
Writeback:           0 kB
AnonPages:     2590776 kB
Mapped:          17588 kB
Slab:           161248 kB
PageTables:      61880 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587088 kB
Committed_AS: 115406828 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= 72976 MiB
End job on node103 at 2011-05-15 13:47:35