Trace number 3371823

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 587f (fixed)UNSAT 1.26381 1.26463

General information on the benchmark

NameAPPLICATIONS/bitverif/
minandmaxor/minandmaxor016.cnf
MD5SUM12a87f636ffe8e3dae243dd6ce90cac8
Bench CategoryAPPLICATION (applications instances)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark0.161974
Satisfiable
(Un)Satisfiability was proved
Number of variables4271
Number of clauses12620
Sum of the clauses size29444
Maximum clause length3
Minimum clause length1
Number of clauses of size 12
Number of clauses of size 28412
Number of clauses of size 34206
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data 

1.20/1.26	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-3371823-1305431345/watcher-3371823-1305431345 -o /tmp/evaluation-result-3371823-1305431345/solver-3371823-1305431345 -C 2400 -W 1300 -M 7680 lingeling HOME/instance-3371823-1305431345.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: 3.84 3.96 3.49 3/366 23538
/proc/meminfo: memFree=25007020/32950928 swapFree=38710892/67111528
[pid=23538] ppid=23536 vsize=7152 CPUtime=0 cores=4,6
/proc/23538/stat : 23538 (lingeling) R 23536 23538 23384 0 -1 4202496 502 0 0 0 0 0 0 0 25 0 1 0 733365197 7323648 319 33554432000 4194304 4409284 140735680814816 18446744073709551615 251367590023 0 0 4096 17506 0 0 0 17 4 0 0 0
/proc/23538/statm: 1788 319 119 53 0 211 0

[startup+0.105168 s]
/proc/loadavg: 3.84 3.96 3.49 3/366 23538
/proc/meminfo: memFree=25007020/32950928 swapFree=38710892/67111528
[pid=23538] ppid=23536 vsize=7720 CPUtime=0.1 cores=4,6
/proc/23538/stat : 23538 (lingeling) R 23536 23538 23384 0 -1 4202496 681 0 0 0 10 0 0 0 25 0 1 0 733365197 7905280 464 33554432000 4194304 4409284 140735680814816 18446744073709551615 4271454 0 0 4096 17506 0 0 0 17 4 0 0 0
/proc/23538/statm: 1930 464 129 53 0 353 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 7720

[startup+0.201163 s]
/proc/loadavg: 3.84 3.96 3.49 3/366 23538
/proc/meminfo: memFree=25007020/32950928 swapFree=38710892/67111528
[pid=23538] ppid=23536 vsize=7720 CPUtime=0.19 cores=4,6
/proc/23538/stat : 23538 (lingeling) R 23536 23538 23384 0 -1 4202496 681 0 0 0 19 0 0 0 25 0 1 0 733365197 7905280 464 33554432000 4194304 4409284 140735680814816 18446744073709551615 4269665 0 0 4096 17506 0 0 0 17 4 0 0 0
/proc/23538/statm: 1930 464 129 53 0 353 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 7720

[startup+0.301135 s]
/proc/loadavg: 3.84 3.96 3.49 3/366 23538
/proc/meminfo: memFree=25007020/32950928 swapFree=38710892/67111528
[pid=23538] ppid=23536 vsize=9448 CPUtime=0.29 cores=4,6
/proc/23538/stat : 23538 (lingeling) R 23536 23538 23384 0 -1 4202496 1114 0 0 0 29 0 0 0 25 0 1 0 733365197 9674752 897 33554432000 4194304 4409284 140735680814816 18446744073709551615 4269726 0 0 4096 17506 0 0 0 17 4 0 0 0
/proc/23538/statm: 2362 897 130 53 0 785 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 9448

[startup+0.701058 s]
/proc/loadavg: 3.84 3.96 3.49 3/366 23538
/proc/meminfo: memFree=25007020/32950928 swapFree=38710892/67111528
[pid=23538] ppid=23536 vsize=10760 CPUtime=0.69 cores=4,6
/proc/23538/stat : 23538 (lingeling) R 23536 23538 23384 0 -1 4202496 1646 0 0 0 69 0 0 0 25 0 1 0 733365197 11018240 1124 33554432000 4194304 4409284 140735680814816 18446744073709551615 4340269 0 0 4096 17506 0 0 0 17 4 0 0 0
/proc/23538/statm: 2690 1124 133 53 0 1113 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 10760

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

[startup+0.801036 s]
/proc/loadavg: 3.84 3.96 3.49 3/366 23538
/proc/meminfo: memFree=25007020/32950928 swapFree=38710892/67111528
[pid=23538] ppid=23536 vsize=10760 CPUtime=0.79 cores=4,6
/proc/23538/stat : 23538 (lingeling) R 23536 23538 23384 0 -1 4202496 1654 0 0 0 79 0 0 0 25 0 1 0 733365197 11018240 1132 33554432000 4194304 4409284 140735680814816 18446744073709551615 4229760 0 0 4096 17506 0 0 0 17 4 0 0 0
/proc/23538/statm: 2690 1132 135 53 0 1113 0
Current children cumulated CPU time (s) 0.79
Current children cumulated vsize (KiB) 10760

[startup+1.21396 s]
/proc/loadavg: 3.84 3.96 3.49 5/371 23593
/proc/meminfo: memFree=24996648/32950928 swapFree=38710892/67111528
[pid=23538] ppid=23536 vsize=9736 CPUtime=1.2 cores=4,6
/proc/23538/stat : 23538 (lingeling) R 23536 23538 23384 0 -1 4202496 1660 0 0 0 120 0 0 0 25 0 1 0 733365197 9969664 882 33554432000 4194304 4409284 140735680814816 18446744073709551615 251367571351 0 0 4096 17506 0 0 0 17 4 0 0 0
/proc/23538/statm: 2434 882 141 53 0 857 0
Current children cumulated CPU time (s) 1.2
Current children cumulated vsize (KiB) 9736

Child status: 20
Real time (s): 1.26463
CPU time (s): 1.26381
CPU user time (s): 1.25881
CPU system time (s): 0.004999
CPU usage (%): 99.9348
Max. virtual memory (cumulated for all children) (KiB): 10760

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.25881
system time used= 0.004999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1663
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= 3

runsolver used 0.010998 second user time and 0.016997 second system time

The end

Launcher Data 

Begin job on node113 at 2011-05-15 05:49:05
IDJOB=3371823
IDBENCH=70767
IDSOLVER=1849
FILE ID=node113/3371823-1305431345
RUNJOBID= node113-1305430043-23403
PBS_JOBID= 13324617
Free space on /tmp= 73436 MiB

SOLVER NAME= Lingeling 587f (fixed)
BENCH NAME= SAT09/APPLICATIONS/bitverif/minandmaxor/minandmaxor016.cnf
COMMAND LINE= lingeling BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3371823-1305431345/watcher-3371823-1305431345 -o /tmp/evaluation-result-3371823-1305431345/solver-3371823-1305431345 -C 2400 -W 1300 -M 7680  lingeling HOME/instance-3371823-1305431345.cnf

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

MD5SUM BENCH= 12a87f636ffe8e3dae243dd6ce90cac8
RANDOM SEED=1790222161

node113.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	: 5332.76
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	: 5332.74
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	: 5332.75
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		: 2666.846
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	: 5332.74
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		: 2666.846
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	: 5332.83
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		: 2666.846
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	: 5332.74
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]


/proc/meminfo:
MemTotal:     32950928 kB
MemFree:      25007176 kB
Buffers:        263692 kB
Cached:        2867272 kB
SwapCached:      93712 kB
Active:         986076 kB
Inactive:      6693660 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32950928 kB
LowFree:      25007176 kB
SwapTotal:    67111528 kB
SwapFree:     38710892 kB
Dirty:             456 kB
Writeback:           0 kB
AnonPages:     4466772 kB
Mapped:          14208 kB
Slab:           106128 kB
PageTables:      92356 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83586992 kB
Committed_AS: 87288660 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= 73448 MiB
End job on node113 at 2011-05-15 05:49:07