Trace number 3293761

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
Plingeling 587UNSAT 3.08 27.872

General information on the benchmark

NameSAT-Race-2010-CNF/software-verification/
nec/hard-18-U-10652.cnf
MD5SUMf0f11935e861485056485b47c5e1a7c3
Bench CategoryAPPLICATION (applications instances)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark3.08
Satisfiable
(Un)Satisfiability was proved
Number of variables1987351
Number of clauses5963534
Sum of the clauses size14253662
Maximum clause length1155
Minimum clause length1
Number of clauses of size 1109
Number of clauses of size 23971661
Number of clauses of size 31984242
Number of clauses of size 4766
Number of clauses of size 5765
Number of clauses of size over 55991

Solver Data 

3.08/27.87	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: 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-3293761-1304111664/watcher-3293761-1304111664 -o /tmp/evaluation-result-3293761-1304111664/solver-3293761-1304111664 -C 4800 -W 1300 -M 15500 plingeling -t 4 HOME/instance-3293761-1304111664.cnf 

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

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 4800 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 4830 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 1300 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: 7.03 7.83 7.38 2/175 10432
/proc/meminfo: memFree=30509792/32951132 swapFree=67080208/67111528
[pid=10432] ppid=10430 vsize=16492 CPUtime=0 cores=1,3,5,7
/proc/10432/stat : 10432 (plingeling) R 10430 10432 9622 0 -1 4202496 1826 1249 0 0 0 0 0 0 21 0 1 0 522766284 16887808 1755 33554432000 4194304 4417332 140734696535904 18446744073709551615 210646840413 0 0 4096 17442 0 0 0 17 1 0 0 0
/proc/10432/statm: 4123 1769 138 55 0 2009 0

[startup+0.0501929 s]
/proc/loadavg: 7.03 7.83 7.38 2/175 10432
/proc/meminfo: memFree=30509792/32951132 swapFree=67080208/67111528
[pid=10432] ppid=10430 vsize=100448 CPUtime=0.04 cores=1,3,5,7
/proc/10432/stat : 10432 (plingeling) R 10430 10432 9622 0 -1 4202496 23173 1249 0 0 2 2 0 0 21 0 1 0 522766284 102858752 23102 33554432000 4194304 4417332 140734696535904 18446744073709551615 210647189594 0 0 4096 17442 0 0 0 17 1 0 0 0
/proc/10432/statm: 25112 23127 148 55 0 22998 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 100448

[startup+0.100184 s]
/proc/loadavg: 7.03 7.83 7.38 2/175 10432
/proc/meminfo: memFree=30509792/32951132 swapFree=67080208/67111528
[pid=10432] ppid=10430 vsize=170360 CPUtime=0.09 cores=1,3,5,7
/proc/10432/stat : 10432 (plingeling) R 10430 10432 9622 0 -1 4202496 40684 1249 0 0 5 4 0 0 21 0 1 0 522766284 174448640 40613 33554432000 4194304 4417332 140734696535904 18446744073709551615 210647146240 0 0 4096 17442 0 0 0 17 1 0 0 0
/proc/10432/statm: 42590 40613 148 55 0 40476 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 170360

[startup+0.300153 s]
/proc/loadavg: 7.03 7.83 7.38 2/175 10432
/proc/meminfo: memFree=30509792/32951132 swapFree=67080208/67111528
[pid=10432] ppid=10430 vsize=194776 CPUtime=0.28 cores=1,3,5,7
/proc/10432/stat : 10432 (plingeling) R 10430 10432 9622 0 -1 4202496 46836 1249 0 0 24 4 0 0 22 0 1 0 522766284 199450624 46717 33554432000 4194304 4417332 140734696535904 18446744073709551615 4322254 0 0 4096 17442 0 0 0 17 1 0 0 0
/proc/10432/statm: 48694 46717 148 55 0 46580 0
Current children cumulated CPU time (s) 0.28
Current children cumulated vsize (KiB) 194776

[startup+0.701096 s]
/proc/loadavg: 7.03 7.83 7.38 2/175 10432
/proc/meminfo: memFree=30509792/32951132 swapFree=67080208/67111528
[pid=10432] ppid=10430 vsize=263072 CPUtime=0.69 cores=1,3,5,7
/proc/10432/stat : 10432 (plingeling) R 10430 10432 9622 0 -1 4202496 63927 1249 0 0 62 7 0 0 23 0 1 0 522766284 269385728 63791 33554432000 4194304 4417332 140734696535904 18446744073709551615 4231321 0 0 4096 17442 0 0 0 17 1 0 0 0
/proc/10432/statm: 65768 63791 148 55 0 63654 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 263072

[startup+1.50096 s]
/proc/loadavg: 7.03 7.83 7.38 3/176 10438
/proc/meminfo: memFree=30074084/32951132 swapFree=67080208/67111528
[pid=10432] ppid=10430 vsize=420004 CPUtime=1.49 cores=1,3,5,7
/proc/10432/stat : 10432 (plingeling) R 10430 10432 9622 0 -1 4202496 103160 1249 0 0 138 11 0 0 25 0 1 0 522766284 430084096 103024 33554432000 4194304 4417332 140734696535904 18446744073709551615 210646765133 0 0 4096 17442 0 0 0 17 1 0 0 0
/proc/10432/statm: 105001 103024 148 55 0 102887 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 420004

[startup+3.10064 s]
/proc/loadavg: 7.03 7.83 7.38 3/176 10438
/proc/meminfo: memFree=29668644/32951132 swapFree=67080208/67111528
[pid=10432] ppid=10430 vsize=667812 CPUtime=3.08 cores=1,3,5,7
/proc/10432/stat : 10432 (plingeling) R 10430 10432 9622 0 -1 4202496 165112 1249 0 0 290 18 0 0 25 0 1 0 522766284 683839488 164976 33554432000 4194304 4417332 140734696535904 18446744073709551615 4231321 0 0 4096 17442 0 0 0 17 7 0 0 0
/proc/10432/statm: 166953 164976 148 55 0 164839 0
Current children cumulated CPU time (s) 3.08
Current children cumulated vsize (KiB) 667812

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

Child status: 20

# WARNING:
# CPU time reported by wait4() is probably wrong !
# wait4(...,&childrusage) returns 10432 and gives
#  childrusage.ru_utime.tv_sec=65
#  childrusage.ru_utime.tv_usec=600027
#  childrusage.ru_stime.tv_sec=1
#  childrusage.ru_stime.tv_usec=390788
# CPU time returned by wait4() is 66.9908
# while last known CPU time is 3.08
#
# Using CPU time of the last sample as value...

Real time (s): 27.872
CPU time (s): 3.08
CPU user time (s): 2.9
CPU system time (s): 0.18
CPU usage (%): 11.0505
Max. virtual memory (cumulated for all children) (KiB): 667812

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 65.6
system time used= 1.39079
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1020875
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= 134
involuntary context switches= 747

runsolver used 0.008998 second user time and 0.007998 second system time

The end

Launcher Data 

Begin job on node129 at 2011-04-29 23:14:27
IDJOB=3293761
IDBENCH=88172
IDSOLVER=1605
FILE ID=node129/3293761-1304111664
RUNJOBID= node129-1304111664-10410
PBS_JOBID= 13170649
Free space on /tmp= 66152 MiB

SOLVER NAME= Plingeling 587
BENCH NAME= SAT-Race-2010-CNF/software-verification/nec/hard-18-U-10652.cnf
COMMAND LINE= plingeling -t NBCORE BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3293761-1304111664/watcher-3293761-1304111664 -o /tmp/evaluation-result-3293761-1304111664/solver-3293761-1304111664 -C 4800 -W 1300 -M 15500  plingeling -t 4 HOME/instance-3293761-1304111664.cnf

TIME LIMIT= 4800 seconds
MEMORY LIMIT= 15500 MiB
NBCORE= 4

MD5SUM BENCH= f0f11935e861485056485b47c5e1a7c3
RANDOM SEED=1003940321

node129.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		: 2666.831
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		: 2666.831
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	: 5332.83
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		: 2666.831
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		: 2666.831
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	: 5332.82
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		: 2666.831
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		: 2666.831
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		: 2666.831
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		: 2666.831
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	: 5332.83
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]


/proc/meminfo:
MemTotal:     32951132 kB
MemFree:      30509824 kB
Buffers:        365104 kB
Cached:        1613056 kB
SwapCached:       5992 kB
Active:         363756 kB
Inactive:      1682700 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951132 kB
LowFree:      30509824 kB
SwapTotal:    67111528 kB
SwapFree:     67080208 kB
Dirty:          224832 kB
Writeback:           0 kB
AnonPages:       64632 kB
Mapped:          12724 kB
Slab:           331992 kB
PageTables:       4768 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587092 kB
Committed_AS:   237496 kB
VmallocTotal: 34359738367 kB
VmallocUsed:    296000 kB
VmallocChunk: 34359440975 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66152 MiB
End job on node129 at 2011-04-29 23:15:04