Trace number 3261076

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
glucose 2SAT 0.129979 0.132516

General information on the benchmark

Namecrafted/skvortsov/battleship/
battleship-24-57-sat.cnf
MD5SUM179851d97340610ea74d8d7b3cffb10b
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.042993
Satisfiable
(Un)Satisfiability was proved
Number of variables1368
Number of clauses16308
Sum of the clauses size64296
Maximum clause length57
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 215732
Number of clauses of size 30
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 5576

Solver Data 

0.00/0.00	c
0.00/0.00	c Starting SatElite Preprocessing
0.00/0.00	c
0.00/0.00	c Parsing...
0.00/0.00	c ==============================================================================
0.00/0.00	c |           |     ORIGINAL     |              LEARNT              |          |
0.00/0.00	c | Conflicts | Clauses Literals |   Limit Clauses Literals  Lit/Cl | Progress |
0.00/0.00	c ==============================================================================
0.00/0.00	c |         0 |   16308    64296 |    4892       0        0     nan |  0.000 % |
0.00/0.00	c ==============================================================================
0.00/0.00	c Result  :   #vars: 1368   #clauses: 16308   #literals: 64296
0.00/0.00	c CPU time:   0.006998 s
0.00/0.00	c ==============================================================================
0.00/0.01	c
0.00/0.01	c Starting glucose
0.00/0.01	c
0.01/0.12	c This is glucose 2.0 --  based on MiniSAT (Many thanks to MiniSAT team)
0.01/0.12	c WARNING: for repeatability, setting FPU to use double precision
0.01/0.12	c ============================[ Problem Statistics ]=============================
0.01/0.12	c |                                                                             |
0.01/0.12	c |  Number of variables:          1368                                         |
0.01/0.12	c |  Number of clauses:           16308                                         |
0.01/0.12	c |  Parse time:                   0.00 s                                       |
0.01/0.12	c |                                                                             |
0.01/0.12	c ============================[ Search Statistics ]==============================
0.01/0.12	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.01/0.12	c |           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
0.01/0.12	c ===============================================================================
0.01/0.12	c |      1116 |    1368    16308    64296 |        1     1116    414 |  0.000 % |
0.01/0.12	c |      2297 |    1368    16308    64296 |        1     2297    414 |  0.000 % |
0.01/0.12	c ===============================================================================
0.01/0.12	c restarts              : 2
0.01/0.12	c nb ReduceDB           : 0
0.01/0.12	c nb removed Clauses    : 0
0.01/0.12	c nb learnts DL2        : 0
0.01/0.12	c nb learnts size 2     : 0
0.01/0.12	c nb learnts size 1     : 0
0.01/0.12	c conflicts             : 2297           (21880 /sec)
0.01/0.12	c decisions             : 6536           (0.00 % random) (62257 /sec)
0.01/0.12	c propagations          : 48304          (460108 /sec)
0.01/0.12	c conflict literals     : 950645         (0.44 % deleted)
0.01/0.12	c nb reduced Clauses    : 0
0.01/0.12	c CPU time              : 0.104984 s
0.01/0.12	
0.01/0.13	s SATISFIABLE
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-1359 1360 -1361 -1362 -1363 -1364 -1365 -1366 -1367 -1368 0

Verifier Data 

OK

Watcher Data 

runsolver Copyright (C) 2010-2011 Olivier ROUSSEL

This is runsolver version 3.3.0 (svn: 977)

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-3261076-1307637197/watcher-3261076-1307637197 -o /tmp/evaluation-result-3261076-1307637197/solver-3261076-1307637197 -C 2400 -W 1300 -M 7680 glucose.sh HOME/instance-3261076-1307637197.cnf 

running on 2 cores: 1,3

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: 3.71 3.96 3.81 6/185 21058
/proc/meminfo: memFree=32218920/32951124 swapFree=67063272/67111528
[pid=21056] ppid=21050 vsize=8704 CPUtime=0 cores=1,3
/proc/21056/stat : 21056 (glucose.sh) S 21050 21056 20425 0 -1 4202496 335 0 0 0 0 0 0 0 19 0 1 0 875317931 8912896 253 33554432000 4194304 4922060 140735911920960 18446744073709551615 232335711365 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/21056/statm: 2176 253 211 178 0 69 0

[startup+0.0318609 s]
/proc/loadavg: 3.71 3.96 3.81 6/185 21058
/proc/meminfo: memFree=32218920/32951124 swapFree=67063272/67111528
[pid=21056] ppid=21050 vsize=8704 CPUtime=0.01 cores=1,3
/proc/21056/stat : 21056 (glucose.sh) S 21050 21056 20425 0 -1 4202496 360 464 0 0 0 0 1 0 19 0 1 0 875317931 8912896 255 33554432000 4194304 4922060 140735911920960 18446744073709551615 232335711365 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/21056/statm: 2176 255 211 178 0 69 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 8704

[startup+0.100849 s]
/proc/loadavg: 3.71 3.96 3.81 6/185 21058
/proc/meminfo: memFree=32218920/32951124 swapFree=67063272/67111528
[pid=21056] ppid=21050 vsize=8704 CPUtime=0.01 cores=1,3
/proc/21056/stat : 21056 (glucose.sh) S 21050 21056 20425 0 -1 4202496 360 464 0 0 0 0 1 0 19 0 1 0 875317931 8912896 255 33554432000 4194304 4922060 140735911920960 18446744073709551615 232335711365 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/21056/statm: 2176 255 211 178 0 69 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 8704

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

Child status: 10
Real time (s): 0.132516
CPU time (s): 0.129979
CPU user time (s): 0.121981
CPU system time (s): 0.007998
CPU usage (%): 98.0855
Max. virtual memory (cumulated for all children) (KiB): 8704

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.121981
system time used= 0.007998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2987
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= 27
involuntary context switches= 29

runsolver used 0 second user time and 0.006998 second system time

The end

Launcher Data 

Begin job on node132 at 2011-06-09 18:33:18
IDJOB=3261076
IDBENCH=83208
IDSOLVER=1651
FILE ID=node132/3261076-1307637197
RUNJOBID= node132-1307637197-21007
PBS_JOBID= 13549360
Free space on /tmp= 74188 MiB

SOLVER NAME= glucose 2
BENCH NAME= SAT11/crafted/skvortsov/battleship/battleship-24-57-sat.cnf
COMMAND LINE= glucose.sh BENCHNAME 
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3261076-1307637197/watcher-3261076-1307637197 -o /tmp/evaluation-result-3261076-1307637197/solver-3261076-1307637197 -C 2400 -W 1300 -M 7680  glucose.sh HOME/instance-3261076-1307637197.cnf 

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

MD5SUM BENCH= 179851d97340610ea74d8d7b3cffb10b
RANDOM SEED=2073946821

node132.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		: 2666.833
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		: 2666.833
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	: 5332.74
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		: 2666.833
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	: 5332.76
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		: 2666.833
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		: 2666.833
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	: 5332.77
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		: 2666.833
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	: 5332.67
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		: 2666.833
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		: 2666.833
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:      32220832 kB
Buffers:        179548 kB
Cached:         328516 kB
SwapCached:       9968 kB
Active:         285772 kB
Inactive:       240220 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951124 kB
LowFree:      32220832 kB
SwapTotal:    67111528 kB
SwapFree:     67063272 kB
Dirty:            5360 kB
Writeback:           0 kB
AnonPages:       15932 kB
Mapped:           8892 kB
Slab:           140544 kB
PageTables:       4440 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587088 kB
Committed_AS:   162440 kB
VmallocTotal: 34359738367 kB
VmallocUsed:     33868 kB
VmallocChunk: 34359703231 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 74184 MiB
End job on node132 at 2011-06-09 18:33:18