Trace number 3387634

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
minisat hack: cir_minisat 2011-05-13 (simp)UNSAT 4.39833 4.39882

General information on the benchmark

NameSAT-Race-2010-CNF/software-verification/
nec/hard-6-U-7061.cnf
MD5SUMb15321a24257fa4bdfd9c20c782f4c0e
Bench CategoryAPPLICATION (applications instances)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark4.00339
Satisfiable
(Un)Satisfiability was proved
Number of variables370048
Number of clauses1118066
Sum of the clauses size2910246
Maximum clause length493
Minimum clause length1
Number of clauses of size 194
Number of clauses of size 2742801
Number of clauses of size 3369913
Number of clauses of size 41454
Number of clauses of size 5618
Number of clauses of size over 53186

Solver Data 

4.30/4.39	c WARNING: for repeatability, setting FPU to use double precision
4.30/4.39	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-3387634-1305606869/watcher-3387634-1305606869 -o /tmp/evaluation-result-3387634-1305606869/solver-3387634-1305606869 -C 5000 -W 5100 -M 15500 HOME/cir_minisat HOME/instance-3387634-1305606869.cnf 

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: 4.24 4.09 4.03 4/537 10611
/proc/meminfo: memFree=14822904/32951124 swapFree=64205392/67111528
[pid=10611] ppid=10609 vsize=26220 CPUtime=0 cores=1,3,5,7
/proc/10611/stat : 10611 (cir_minisat) R 10609 10611 8511 0 -1 4202496 2046 0 0 0 0 0 0 0 22 0 1 0 672284923 26849280 1989 33554432000 4194304 4300288 140735764255120 18446744073709551615 228244406698 0 0 4096 8388610 0 0 0 17 3 0 0 0
/proc/10611/statm: 6743 1991 218 26 0 3375 0

[startup+0.0211989 s]
/proc/loadavg: 4.24 4.09 4.03 4/537 10611
/proc/meminfo: memFree=14822904/32951124 swapFree=64205392/67111528
[pid=10611] ppid=10609 vsize=36412 CPUtime=0.01 cores=1,3,5,7
/proc/10611/stat : 10611 (cir_minisat) R 10609 10611 8511 0 -1 4202496 4025 0 0 0 1 0 0 0 22 0 1 0 672284923 37285888 3955 33554432000 4194304 4300288 140735764255120 18446744073709551615 4278145 0 0 4096 8388610 0 0 0 17 3 0 0 0
/proc/10611/statm: 9103 3961 218 26 0 5735 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 36412

[startup+0.100223 s]
/proc/loadavg: 4.24 4.09 4.03 4/537 10611
/proc/meminfo: memFree=14822904/32951124 swapFree=64205392/67111528
[pid=10611] ppid=10609 vsize=65744 CPUtime=0.09 cores=1,3,5,7
/proc/10611/stat : 10611 (cir_minisat) R 10609 10611 8511 0 -1 4202496 10722 0 0 0 8 1 0 0 22 0 1 0 672284923 67321856 10581 33554432000 4194304 4300288 140735764255120 18446744073709551615 4278967 0 0 4096 8388610 0 0 0 17 3 0 0 0
/proc/10611/statm: 16436 10582 218 26 0 13068 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 65744

[startup+0.300187 s]
/proc/loadavg: 4.24 4.09 4.03 4/537 10611
/proc/meminfo: memFree=14822904/32951124 swapFree=64205392/67111528
[pid=10611] ppid=10609 vsize=100848 CPUtime=0.29 cores=1,3,5,7
/proc/10611/stat : 10611 (cir_minisat) R 10609 10611 8511 0 -1 4202496 21238 0 0 0 26 3 0 0 23 0 1 0 672284923 103268352 19361 33554432000 4194304 4300288 140735764255120 18446744073709551615 228244009669 0 0 4096 8388610 0 0 0 17 3 0 0 0
/proc/10611/statm: 25212 19362 218 26 0 21844 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 100848

[startup+0.701114 s]
/proc/loadavg: 4.24 4.09 4.03 4/537 10611
/proc/meminfo: memFree=14822904/32951124 swapFree=64205392/67111528
[pid=10611] ppid=10609 vsize=156476 CPUtime=0.69 cores=1,3,5,7
/proc/10611/stat : 10611 (cir_minisat) R 10609 10611 8511 0 -1 4202496 34786 0 0 0 64 5 0 0 25 0 1 0 672284923 160231424 30638 33554432000 4194304 4300288 140735764255120 18446744073709551615 4228208 0 0 4096 8388610 0 0 0 17 3 0 0 0
/proc/10611/statm: 39119 30638 222 26 0 35751 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 156476

[startup+1.50098 s]
/proc/loadavg: 4.24 4.09 4.03 5/538 10612
/proc/meminfo: memFree=14699156/32951124 swapFree=64205392/67111528
[pid=10611] ppid=10609 vsize=164132 CPUtime=1.49 cores=1,3,5,7
/proc/10611/stat : 10611 (cir_minisat) R 10609 10611 8511 0 -1 4202496 37496 0 0 0 144 5 0 0 25 0 1 0 672284923 168071168 33238 33554432000 4194304 4300288 140735764255120 18446744073709551615 4278967 0 0 4096 8388610 0 0 0 17 3 0 0 0
/proc/10611/statm: 41033 33238 222 26 0 37665 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 164132

[startup+3.1007 s]
/proc/loadavg: 4.24 4.09 4.03 5/538 10612
/proc/meminfo: memFree=14684524/32951124 swapFree=64205392/67111528
[pid=10611] ppid=10609 vsize=179772 CPUtime=3.09 cores=1,3,5,7
/proc/10611/stat : 10611 (cir_minisat) R 10609 10611 8511 0 -1 4202496 54618 0 0 0 301 8 0 0 25 0 1 0 672284923 184086528 37836 33554432000 4194304 4300288 140735764255120 18446744073709551615 4228116 0 0 4096 8388610 0 0 0 17 3 0 0 0
/proc/10611/statm: 44943 37836 222 26 0 41575 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 179772

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

[startup+3.90056 s]
/proc/loadavg: 4.22 4.09 4.02 5/538 10612
/proc/meminfo: memFree=14669160/32951124 swapFree=64205392/67111528
[pid=10611] ppid=10609 vsize=172540 CPUtime=3.89 cores=1,3,5,7
/proc/10611/stat : 10611 (cir_minisat) R 10609 10611 8511 0 -1 4202496 56861 0 0 0 381 8 0 0 25 0 1 0 672284923 176680960 35439 33554432000 4194304 4300288 140735764255120 18446744073709551615 4256423 0 0 4096 8388610 0 0 0 17 3 0 0 0
/proc/10611/statm: 43135 35439 239 26 0 39767 0
Current children cumulated CPU time (s) 3.89
Current children cumulated vsize (KiB) 172540

[startup+4.30049 s]
/proc/loadavg: 4.22 4.09 4.02 5/538 10612
/proc/meminfo: memFree=14677964/32951124 swapFree=64205392/67111528
[pid=10611] ppid=10609 vsize=172540 CPUtime=4.3 cores=1,3,5,7
/proc/10611/stat : 10611 (cir_minisat) R 10609 10611 8511 0 -1 4202496 56877 0 0 0 422 8 0 0 25 0 1 0 672284923 176680960 35455 33554432000 4194304 4300288 140735764255120 18446744073709551615 4255656 0 0 4096 8388610 0 0 0 17 3 0 0 0
/proc/10611/statm: 43135 35455 239 26 0 39767 0
Current children cumulated CPU time (s) 4.3
Current children cumulated vsize (KiB) 172540

Child status: 20
Real time (s): 4.39882
CPU time (s): 4.39833
CPU user time (s): 4.30435
CPU system time (s): 0.093985
CPU usage (%): 99.9888
Max. virtual memory (cumulated for all children) (KiB): 188944

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 4.30434
system time used= 0.093985
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 56883
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= 48

runsolver used 0.025996 second user time and 0.071989 second system time

The end

Launcher Data 

Begin job on node136 at 2011-05-17 06:34:30
IDJOB=3387634
IDBENCH=88178
IDSOLVER=1873
FILE ID=node136/3387634-1305606869
RUNJOBID= node136-1305598121-10198
PBS_JOBID= 13350342
Free space on /tmp= 73088 MiB

SOLVER NAME= minisat hack: cir_minisat 2011-05-13 (simp)
BENCH NAME= SAT-Race-2010-CNF/software-verification/nec/hard-6-U-7061.cnf
COMMAND LINE= HOME/cir_minisat BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3387634-1305606869/watcher-3387634-1305606869 -o /tmp/evaluation-result-3387634-1305606869/solver-3387634-1305606869 -C 5000 -W 5100 -M 15500  HOME/cir_minisat HOME/instance-3387634-1305606869.cnf

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

MD5SUM BENCH= b15321a24257fa4bdfd9c20c782f4c0e
RANDOM SEED=2080318566

node136.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		: 2666.809
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	: 5333.61
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		: 2666.809
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		: 2666.809
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		: 2666.809
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	: 5332.76
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		: 2666.809
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		: 2666.809
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		: 2666.809
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		: 2666.809
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:     32951124 kB
MemFree:      14822936 kB
Buffers:         90828 kB
Cached:         830324 kB
SwapCached:      24924 kB
Active:       11271312 kB
Inactive:      6606432 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951124 kB
LowFree:      14822936 kB
SwapTotal:    67111528 kB
SwapFree:     64205392 kB
Dirty:           23152 kB
Writeback:           0 kB
AnonPages:    16937320 kB
Mapped:          40496 kB
Slab:            94828 kB
PageTables:      84344 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587088 kB
Committed_AS: 178871548 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= 73088 MiB
End job on node136 at 2011-05-17 06:34:34