Trace number 3303449

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 0.12798 0.131186

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 benchmark0.039993
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:   0.004999 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           (21471 /sec)
0.01/0.12	c decisions             : 6536           (0.00 % random) (61094 /sec)
0.01/0.12	c propagations          : 48304          (451511 /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              : 0.106983 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: 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-3303449-1303899521/watcher-3303449-1303899521 -o /tmp/evaluation-result-3303449-1303899521/solver-3303449-1303899521 -C 5000 -W 5100 -M 15500 glucose.sh HOME/instance-3303449-1303899521.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: 1.93 0.95 0.37 2/178 12048
/proc/meminfo: memFree=19076452/32950928 swapFree=67111528/67111528
[pid=12048] ppid=12046 vsize=8704 CPUtime=0 cores=1,3,5,7
/proc/12048/stat : 12048 (glucose.sh) S 12046 12048 11972 0 -1 4202496 334 0 0 0 0 0 0 0 23 0 1 0 501548765 8912896 253 33554432000 4194304 4922060 140733782399152 18446744073709551615 254500510853 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/12048/statm: 2176 253 211 178 0 69 0

[startup+0.031276 s]
/proc/loadavg: 1.93 0.95 0.37 2/178 12048
/proc/meminfo: memFree=19076452/32950928 swapFree=67111528/67111528
[pid=12048] ppid=12046 vsize=8704 CPUtime=0.01 cores=1,3,5,7
/proc/12048/stat : 12048 (glucose.sh) S 12046 12048 11972 0 -1 4202496 360 463 0 0 0 0 1 0 23 0 1 0 501548765 8912896 255 33554432000 4194304 4922060 140733782399152 18446744073709551615 254500510853 0 65536 4100 65538 18446744071562232103 0 0 17 3 0 0 0
/proc/12048/statm: 2176 255 211 178 0 69 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 8704

[startup+0.100238 s]
/proc/loadavg: 1.93 0.95 0.37 2/178 12048
/proc/meminfo: memFree=19076452/32950928 swapFree=67111528/67111528
[pid=12048] ppid=12046 vsize=8704 CPUtime=0.01 cores=1,3,5,7
/proc/12048/stat : 12048 (glucose.sh) S 12046 12048 11972 0 -1 4202496 360 463 0 0 0 0 1 0 23 0 1 0 501548765 8912896 255 33554432000 4194304 4922060 140733782399152 18446744073709551615 254500510853 0 65536 4100 65538 18446744071562232103 0 0 17 3 0 0 0
/proc/12048/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): 0.131186
CPU time (s): 0.12798
CPU user time (s): 0.122981
CPU system time (s): 0.004999
CPU usage (%): 97.5561
Max. virtual memory (cumulated for all children) (KiB): 8704

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.122981
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= 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= 15
involuntary context switches= 11

runsolver used 0.000999 second user time and 0.007998 second system time

The end

Launcher Data 

Begin job on node149 at 2011-04-27 12:18:41
IDJOB=3303449
IDBENCH=83208
IDSOLVER=1687
FILE ID=node149/3303449-1303899521
RUNJOBID= node149-1303899329-11991
PBS_JOBID= 13164499
Free space on /tmp= 71944 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-3303449-1303899521/watcher-3303449-1303899521 -o /tmp/evaluation-result-3303449-1303899521/solver-3303449-1303899521 -C 5000 -W 5100 -M 15500  glucose.sh HOME/instance-3303449-1303899521.cnf 

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

MD5SUM BENCH= 179851d97340610ea74d8d7b3cffb10b
RANDOM SEED=84609948

node149.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		: 2666.806
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		: 2666.806
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		: 2666.806
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	: 5332.83
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		: 2666.806
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	: 5332.73
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		: 2666.806
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	: 5332.82
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		: 2666.806
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		: 2666.806
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		: 2666.806
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:     32950928 kB
MemFree:      19076608 kB
Buffers:       2188500 kB
Cached:       11038396 kB
SwapCached:          0 kB
Active:        3397560 kB
Inactive:      9938876 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32950928 kB
LowFree:      19076608 kB
SwapTotal:    67111528 kB
SwapFree:     67111528 kB
Dirty:            1588 kB
Writeback:           0 kB
AnonPages:      109276 kB
Mapped:          15200 kB
Slab:           473488 kB
PageTables:       4832 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83586992 kB
Committed_AS:   254900 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= 71944 MiB
End job on node149 at 2011-04-27 12:18:41