Trace number 3266612

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
QuteRSat 2011-03-01UNSAT 1.66475 1.66663

General information on the benchmark

NameSAT02/handmade/chu-min-li/urquhart/
urquhart3_25bis.shuffled.cnf
MD5SUM0313821ef13a43b48c58a56902d9e90b
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 variables99
Number of clauses264
Sum of the clauses size792
Maximum clause length3
Minimum clause length3
Number of clauses of size 10
Number of clauses of size 20
Number of clauses of size 3264
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data 

0.00/0.00	c Set FPU double precision.
0.00/0.00	c Parse Cnf success: #var: 99 #clause: 264
0.00/0.00	c Find Units :          0
0.00/0.00	c Find Invs  :          0
0.00/0.00	c Find Ands  :          0 AvgFaninNum: nan
0.00/0.00	c Find Xors  :         66 AvgFaninNum: 2
0.00/0.00	c Find Ite   :          0
0.00/0.00	c UnDirect variable: 99
0.00/0.00	c UnDirect to Direct Gate: 66
0.00/0.00	c Forced Direct Gate: 53 Unuse unDirect Gate: 46
0.00/0.00	c Break Cycle : 1
0.00/0.00	c Total Root : 0 Undef Var: 34
0.00/0.00	c After covering, Total Root: 2 Leaf: 34
0.00/0.00	c Variable( cover/uncovered/unused ): 99 0 0
0.00/0.00	c Unit Clauses: 0
0.00/0.00	c Binary Clauses( cover/uncovered ): 0 0
0.00/0.00	c Clauses( cover/uncovered ): 260 4
0.00/0.00	c Total Clauses( cover/uncovered ): 260 4 98.4848%
0.00/0.00	c Covered Ands: 0 Invs: 0 Xors: 65 Ites: 0
0.00/0.00	c Uncover Clauses avg size: 3 max size: 3
0.00/0.00	c Final circuit: i/l/o/s      34       0       4       203
0.00/0.00	c CnfToAig: Time: 0 s
0.00/0.01	c TmMap: Set choices finish.
0.00/0.01	c TmMap: Set big and: 4
0.00/0.01	c TmMap: Origin: 238 ClauseNum: 609 --> New: 104 ClauseNum: 276
0.00/0.01	c TmMap: Time: 0
0.00/0.02	c Simulation --> TransNum: 276/276 Try to Add: #clause: 8 #xorclause: 65
0.00/0.02	c #var: 99 #clauses: 5 Solving... 
1.59/1.65	s UNSATISFIABLE
1.59/1.66	c CPU time: 1.65 s

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-3266612-1303579990/watcher-3266612-1303579990 -o /tmp/evaluation-result-3266612-1303579990/solver-3266612-1303579990 -C 2400 -W 1300 -M 7680 qutersat_release HOME/instance-3266612-1303579990.cnf 1705367772 

running on 2 cores: 4,6

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: 2.94 3.76 3.86 3/184 10424
/proc/meminfo: memFree=15401016/32951124 swapFree=67111528/67111528
[pid=10424] ppid=10422 vsize=33388 CPUtime=0 cores=4,6
/proc/10424/stat : 10424 (qutersat_releas) R 10422 10424 10374 0 -1 4202496 1868 0 0 0 0 0 0 0 25 0 1 0 469597024 34189312 1802 33554432000 4194304 6016207 140736312215296 18446744073709551615 4779602 0 0 4096 16386 0 0 0 17 4 0 0 0
/proc/10424/statm: 8347 1805 420 445 0 1891 0

[startup+0.0368271 s]
/proc/loadavg: 2.94 3.76 3.86 3/184 10424
/proc/meminfo: memFree=15401016/32951124 swapFree=67111528/67111528
[pid=10424] ppid=10422 vsize=45688 CPUtime=0.03 cores=4,6
/proc/10424/stat : 10424 (qutersat_releas) R 10422 10424 10374 0 -1 4202496 3470 0 0 0 3 0 0 0 25 0 1 0 469597024 46784512 3404 33554432000 4194304 6016207 140736312215296 18446744073709551615 4445019 0 0 4096 16386 0 0 0 17 4 0 0 0
/proc/10424/statm: 11422 3405 715 445 0 4966 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 45688

[startup+0.100842 s]
/proc/loadavg: 2.94 3.76 3.86 3/184 10424
/proc/meminfo: memFree=15401016/32951124 swapFree=67111528/67111528
[pid=10424] ppid=10422 vsize=54028 CPUtime=0.09 cores=4,6
/proc/10424/stat : 10424 (qutersat_releas) R 10422 10424 10374 0 -1 4202496 3655 0 0 0 9 0 0 0 25 0 1 0 469597024 55324672 3589 33554432000 4194304 6016207 140736312215296 18446744073709551615 4425659 0 0 4096 16386 0 0 0 17 4 0 0 0
/proc/10424/statm: 13507 3589 715 445 0 7051 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 54028

[startup+0.300807 s]
/proc/loadavg: 2.94 3.76 3.86 3/184 10424
/proc/meminfo: memFree=15401016/32951124 swapFree=67111528/67111528
[pid=10424] ppid=10422 vsize=79440 CPUtime=0.29 cores=4,6
/proc/10424/stat : 10424 (qutersat_releas) R 10422 10424 10374 0 -1 4202496 4101 0 0 0 29 0 0 0 25 0 1 0 469597024 81346560 4035 33554432000 4194304 6016207 140736312215296 18446744073709551615 4371136 0 0 4096 16386 0 0 0 17 4 0 0 0
/proc/10424/statm: 19860 4035 720 445 0 13404 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 79440

[startup+0.700711 s]
/proc/loadavg: 2.94 3.76 3.86 3/184 10424
/proc/meminfo: memFree=15401016/32951124 swapFree=67111528/67111528
[pid=10424] ppid=10422 vsize=96672 CPUtime=0.69 cores=4,6
/proc/10424/stat : 10424 (qutersat_releas) R 10422 10424 10374 0 -1 4202496 4622 0 0 0 69 0 0 0 25 0 1 0 469597024 98992128 4556 33554432000 4194304 6016207 140736312215296 18446744073709551615 4424474 0 0 4096 16386 0 0 0 17 4 0 0 0
/proc/10424/statm: 24168 4556 731 445 0 17712 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 96672

[startup+1.50055 s]
/proc/loadavg: 3.02 3.76 3.86 5/190 10435
/proc/meminfo: memFree=15308148/32951124 swapFree=67111528/67111528
[pid=10424] ppid=10422 vsize=114020 CPUtime=1.49 cores=4,6
/proc/10424/stat : 10424 (qutersat_releas) R 10422 10424 10374 0 -1 4202496 5776 0 0 0 149 0 0 0 25 0 1 0 469597024 116756480 5710 33554432000 4194304 6016207 140736312215296 18446744073709551615 4380204 0 0 4096 16386 0 0 0 17 4 0 0 0
/proc/10424/statm: 28505 5710 731 445 0 22049 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 114020

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

[startup+1.60053 s]
/proc/loadavg: 3.02 3.76 3.86 5/190 10435
/proc/meminfo: memFree=15308148/32951124 swapFree=67111528/67111528
[pid=10424] ppid=10422 vsize=114020 CPUtime=1.59 cores=4,6
/proc/10424/stat : 10424 (qutersat_releas) R 10422 10424 10374 0 -1 4202496 5788 0 0 0 159 0 0 0 25 0 1 0 469597024 116756480 5722 33554432000 4194304 6016207 140736312215296 18446744073709551615 4425987 0 0 4096 16386 0 0 0 17 4 0 0 0
/proc/10424/statm: 28505 5722 731 445 0 22049 0
Current children cumulated CPU time (s) 1.59
Current children cumulated vsize (KiB) 114020

Child status: 0
Real time (s): 1.66663
CPU time (s): 1.66475
CPU user time (s): 1.65875
CPU system time (s): 0.005999
CPU usage (%): 99.8872
Max. virtual memory (cumulated for all children) (KiB): 114020

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.65875
system time used= 0.005999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 5876
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= 5
involuntary context switches= 19

runsolver used 0.001999 second user time and 0.010998 second system time

The end

Launcher Data 

Begin job on node138 at 2011-04-23 19:33:11
IDJOB=3266612
IDBENCH=87848
IDSOLVER=1607
FILE ID=node138/3266612-1303579990
RUNJOBID= node138-1303579990-10393
PBS_JOBID= 13150345
Free space on /tmp= 71940 MiB

SOLVER NAME= QuteRSat 2011-03-01
BENCH NAME= SAT02/handmade/chu-min-li/urquhart/urquhart3_25bis.shuffled.cnf
COMMAND LINE= qutersat_release BENCHNAME RANDOMSEED
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3266612-1303579990/watcher-3266612-1303579990 -o /tmp/evaluation-result-3266612-1303579990/solver-3266612-1303579990 -C 2400 -W 1300 -M 7680  qutersat_release HOME/instance-3266612-1303579990.cnf 1705367772

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

MD5SUM BENCH= 0313821ef13a43b48c58a56902d9e90b
RANDOM SEED=1705367772

node138.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		: 2666.854
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	: 5333.70
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		: 2666.854
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		: 2666.854
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		: 2666.854
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		: 2666.854
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	: 5332.80
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		: 2666.854
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		: 2666.854
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	: 5332.82
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		: 2666.854
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:      15401420 kB
Buffers:       2059832 kB
Cached:       14843476 kB
SwapCached:          0 kB
Active:        9756244 kB
Inactive:      7235132 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951124 kB
LowFree:      15401420 kB
SwapTotal:    67111528 kB
SwapFree:     67111528 kB
Dirty:            6036 kB
Writeback:           0 kB
AnonPages:       88188 kB
Mapped:          18204 kB
Slab:           492956 kB
PageTables:       5420 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587088 kB
Committed_AS:   291700 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= 71936 MiB
End job on node138 at 2011-04-23 19:33:12