Trace number 3264015

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
Lingeling 587UNSAT 1.66874 1.67068

General information on the benchmark

NameSAT03/handmade/bevan/cnf/
marg3x3add8ch.shuffled-as.sat03-1448.cnf
MD5SUMe5a54c3916792cf58c449b6e5b243188
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 clauses272
Sum of the clauses size1424
Maximum clause length6
Minimum clause length3
Number of clauses of size 10
Number of clauses of size 20
Number of clauses of size 316
Number of clauses of size 432
Number of clauses of size 596
Number of clauses of size over 5128

Solver Data 

1.59/1.67	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-3264015-1303568024/watcher-3264015-1303568024 -o /tmp/evaluation-result-3264015-1303568024/solver-3264015-1303568024 -C 2400 -W 1300 -M 7680 lingeling HOME/instance-3264015-1303568024.cnf 

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: 0.01 2.26 5.27 5/189 16663
/proc/meminfo: memFree=16046628/32951124 swapFree=67111528/67111528
[pid=16663] ppid=16661 vsize=6564 CPUtime=0 cores=4,6
/proc/16663/stat : 16663 (lingeling) R 16661 16663 16602 0 -1 4202496 231 0 0 0 0 0 0 0 23 0 1 0 449217843 6721536 172 33554432000 4194304 4409164 140736882644096 18446744073709551615 4247128 0 0 4096 17506 0 0 0 17 4 0 0 0
/proc/16663/statm: 1641 172 131 53 0 64 0

[startup+0.0650629 s]
/proc/loadavg: 0.01 2.26 5.27 5/189 16663
/proc/meminfo: memFree=16046628/32951124 swapFree=67111528/67111528
[pid=16663] ppid=16661 vsize=6720 CPUtime=0.06 cores=4,6
/proc/16663/stat : 16663 (lingeling) R 16661 16663 16602 0 -1 4202496 269 0 0 0 6 0 0 0 23 0 1 0 449217843 6881280 210 33554432000 4194304 4409164 140736882644096 18446744073709551615 4271689 0 0 4096 17506 0 0 0 17 4 0 0 0
/proc/16663/statm: 1680 210 136 53 0 103 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 6720

[startup+0.101043 s]
/proc/loadavg: 0.01 2.26 5.27 5/189 16663
/proc/meminfo: memFree=16046628/32951124 swapFree=67111528/67111528
[pid=16663] ppid=16661 vsize=6852 CPUtime=0.09 cores=4,6
/proc/16663/stat : 16663 (lingeling) R 16661 16663 16602 0 -1 4202496 315 0 0 0 9 0 0 0 24 0 1 0 449217843 7016448 256 33554432000 4194304 4409164 140736882644096 18446744073709551615 228095475607 0 0 4096 17506 0 0 0 17 4 0 0 0
/proc/16663/statm: 1713 256 137 53 0 136 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 6852

[startup+0.301008 s]
/proc/loadavg: 0.01 2.26 5.27 5/189 16663
/proc/meminfo: memFree=16046628/32951124 swapFree=67111528/67111528
[pid=16663] ppid=16661 vsize=7800 CPUtime=0.29 cores=4,6
/proc/16663/stat : 16663 (lingeling) R 16661 16663 16602 0 -1 4202496 1018 0 0 0 28 1 0 0 25 0 1 0 449217843 7987200 507 33554432000 4194304 4409164 140736882644096 18446744073709551615 228095475607 0 0 4096 17506 0 0 0 17 4 0 0 0
/proc/16663/statm: 1950 507 139 53 0 373 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 7800

[startup+0.700944 s]
/proc/loadavg: 0.01 2.26 5.27 5/189 16663
/proc/meminfo: memFree=16046628/32951124 swapFree=67111528/67111528
[pid=16663] ppid=16661 vsize=9632 CPUtime=0.69 cores=4,6
/proc/16663/stat : 16663 (lingeling) R 16661 16663 16602 0 -1 4202496 2343 0 0 0 67 2 0 0 25 0 1 0 449217843 9863168 933 33554432000 4194304 4409164 140736882644096 18446744073709551615 228095475607 0 0 4096 17506 0 0 0 17 4 0 0 0
/proc/16663/statm: 2408 933 139 53 0 831 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 9632

[startup+1.50076 s]
/proc/loadavg: 0.01 2.26 5.27 4/185 16681
/proc/meminfo: memFree=16040732/32951124 swapFree=67111528/67111528
[pid=16663] ppid=16661 vsize=9676 CPUtime=1.49 cores=4,6
/proc/16663/stat : 16663 (lingeling) R 16661 16663 16602 0 -1 4202496 4001 0 0 0 145 4 0 0 25 0 1 0 449217843 9908224 965 33554432000 4194304 4409164 140736882644096 18446744073709551615 228095475607 0 0 4096 17506 0 0 0 17 4 0 0 0
/proc/16663/statm: 2419 965 139 53 0 842 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 9676

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

[startup+1.60076 s]
/proc/loadavg: 0.01 2.26 5.27 4/185 16681
/proc/meminfo: memFree=16040732/32951124 swapFree=67111528/67111528
[pid=16663] ppid=16661 vsize=10700 CPUtime=1.59 cores=4,6
/proc/16663/stat : 16663 (lingeling) R 16661 16663 16602 0 -1 4202496 4257 0 0 0 155 4 0 0 25 0 1 0 449217843 10956800 1221 33554432000 4194304 4409164 140736882644096 18446744073709551615 228095475607 0 0 4096 17506 0 0 0 17 4 0 0 0
/proc/16663/statm: 2675 1221 139 53 0 1098 0
Current children cumulated CPU time (s) 1.59
Current children cumulated vsize (KiB) 10700

Child status: 20
Real time (s): 1.67068
CPU time (s): 1.66874
CPU user time (s): 1.61975
CPU system time (s): 0.048992
CPU usage (%): 99.8839
Max. virtual memory (cumulated for all children) (KiB): 11496

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.61975
system time used= 0.048992
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 4485
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= 2
involuntary context switches= 13

runsolver used 0.004999 second user time and 0.006998 second system time

The end

Launcher Data 

Begin job on node142 at 2011-04-23 16:13:44
IDJOB=3264015
IDBENCH=84096
IDSOLVER=1606
FILE ID=node142/3264015-1303568024
RUNJOBID= node142-1303568023-16622
PBS_JOBID= 13150289
Free space on /tmp= 71364 MiB

SOLVER NAME= Lingeling 587
BENCH NAME= SAT03/handmade/bevan/cnf/marg3x3add8ch.shuffled-as.sat03-1448.cnf
COMMAND LINE= lingeling BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3264015-1303568024/watcher-3264015-1303568024 -o /tmp/evaluation-result-3264015-1303568024/solver-3264015-1303568024 -C 2400 -W 1300 -M 7680  lingeling HOME/instance-3264015-1303568024.cnf

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

MD5SUM BENCH= e5a54c3916792cf58c449b6e5b243188
RANDOM SEED=132161228

node142.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	: 5131.95
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	: 5332.82
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		: 2666.846
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	: 5332.67
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	: 5332.81
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	: 5332.82
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		: 2666.846
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	: 5332.75
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]


/proc/meminfo:
MemTotal:     32951124 kB
MemFree:      16046652 kB
Buffers:       2063952 kB
Cached:       14201676 kB
SwapCached:          0 kB
Active:        6704260 kB
Inactive:      9631004 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951124 kB
LowFree:      16046652 kB
SwapTotal:    67111528 kB
SwapFree:     67111528 kB
Dirty:             520 kB
Writeback:           0 kB
AnonPages:       68812 kB
Mapped:          15260 kB
Slab:           504356 kB
PageTables:       5072 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587088 kB
Committed_AS:   250500 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= 71364 MiB
End job on node142 at 2011-04-23 16:13:45