Trace number 3375280

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
MPhaseSAT64 2011-05-14 (fixed)SAT 6.77597 6.77798

General information on the benchmark

Namerandom/medium/
unif-k7-r89-v90-c8010-S51928934-076.SATISFIABLE.cnf
MD5SUM398f9c2cc63f6285faba700796fc9dcc
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark1.9837
Satisfiable
(Un)Satisfiability was proved
Number of variables90
Number of clauses8010
Sum of the clauses size56070
Maximum clause length7
Minimum clause length7
Number of clauses of size 10
Number of clauses of size 20
Number of clauses of size 30
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 58010

Solver Data 

6.69/6.77	c MPhaseSAT64 version 514 by Jingchao Chen,  May 13,2011
6.69/6.77	c input CNF file=HOME/instance-3375280-1305450002.cnf 
6.69/6.77	c Clause#=8010  var#=90  ratio=89 
6.69/6.77	c Simplified clause#=8010 
6.69/6.77	c XOR_varElimination deleted var#=0 clauses#=8010 
6.69/6.77	c inative var#=0 
6.69/6.77	c free var#=90  
6.69/6.77	c local search on 
6.69/6.77	c A solution found by local search 
6.69/6.77	c unfixed var#=0 var#=90 
6.69/6.77	c verified 
6.69/6.77	c 
6.69/6.77	s SATISFIABLE
6.69/6.77	v 1 2 3 -4 -5 6 -7 8 -9 10 11 12 -13 14 -15 16 -17 -18 -19 -20 -21 22 -23 -24 25 26 27 28 29 -30 -31 -32 33 34 -35 36 -37 -38 39 -40 41 -42 43 -44 45 -46 -47 -48 -49 -50 51 52 -53 -54 -55 56 57 58 -59 -60 -61 -62 -63 64 65 -66 67 68 -69 70 -71 -72 73 74 -75 -76 77 -78 -79 80 -81 82 -83 84 85 86 -87 88 -89 -90 
6.69/6.77	v 0
6.69/6.77	c 
6.69/6.77	c  Running time=6.774970

Verifier Data 

OK

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-3375280-1305450002/watcher-3375280-1305450002 -o /tmp/evaluation-result-3375280-1305450002/solver-3375280-1305450002 -C 2400 -W 1300 -M 7680 MPhaseSAT64 HOME/instance-3375280-1305450002.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: 2.22 2.98 3.73 4/378 18457
/proc/meminfo: memFree=18210144/32951124 swapFree=45193364/67111528
[pid=18457] ppid=18455 vsize=13108 CPUtime=0 cores=1,3
/proc/18457/stat : 18457 (MPhaseSAT64) R 18455 18457 17657 0 -1 4202496 627 0 0 0 0 0 0 0 22 0 1 0 735230882 13422592 513 33554432000 4194304 4479436 140734235115264 18446744073709551615 4220191 0 0 4096 1026 0 0 0 17 1 0 0 0
/proc/18457/statm: 3277 513 278 70 0 397 0

[startup+0.019814 s]
/proc/loadavg: 2.22 2.98 3.73 4/378 18457
/proc/meminfo: memFree=18210144/32951124 swapFree=45193364/67111528
[pid=18457] ppid=18455 vsize=13364 CPUtime=0.01 cores=1,3
/proc/18457/stat : 18457 (MPhaseSAT64) R 18455 18457 17657 0 -1 4202496 756 0 0 0 1 0 0 0 22 0 1 0 735230882 13684736 587 33554432000 4194304 4479436 140734235115264 18446744073709551615 4244434 0 0 4096 1026 0 0 0 17 1 0 0 0
/proc/18457/statm: 3341 587 281 70 0 461 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 13364

[startup+0.100837 s]
/proc/loadavg: 2.22 2.98 3.73 4/378 18457
/proc/meminfo: memFree=18210144/32951124 swapFree=45193364/67111528
[pid=18457] ppid=18455 vsize=14568 CPUtime=0.09 cores=1,3
/proc/18457/stat : 18457 (MPhaseSAT64) R 18455 18457 17657 0 -1 4202496 1088 0 0 0 9 0 0 0 22 0 1 0 735230882 14917632 919 33554432000 4194304 4479436 140734235115264 18446744073709551615 4340963 0 0 4096 1026 0 0 0 17 1 0 0 0
/proc/18457/statm: 3642 919 303 70 0 762 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 14568

[startup+0.300803 s]
/proc/loadavg: 2.22 2.98 3.73 4/378 18457
/proc/meminfo: memFree=18210144/32951124 swapFree=45193364/67111528
[pid=18457] ppid=18455 vsize=15080 CPUtime=0.29 cores=1,3
/proc/18457/stat : 18457 (MPhaseSAT64) R 18455 18457 17657 0 -1 4202496 1230 0 0 0 29 0 0 0 23 0 1 0 735230882 15441920 1061 33554432000 4194304 4479436 140734235115264 18446744073709551615 4304699 0 0 4096 1026 0 0 0 17 1 0 0 0
/proc/18457/statm: 3770 1061 317 70 0 890 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 15080

[startup+0.700736 s]
/proc/loadavg: 2.22 2.98 3.73 4/378 18457
/proc/meminfo: memFree=18210144/32951124 swapFree=45193364/67111528
[pid=18457] ppid=18455 vsize=15080 CPUtime=0.69 cores=1,3
/proc/18457/stat : 18457 (MPhaseSAT64) R 18455 18457 17657 0 -1 4202496 1365 0 0 0 69 0 0 0 25 0 1 0 735230882 15441920 1068 33554432000 4194304 4479436 140734235115264 18446744073709551615 4450996 0 0 4096 1026 0 0 0 17 1 0 0 0
/proc/18457/statm: 3770 1068 324 70 0 890 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 15080

[startup+1.5006 s]
/proc/loadavg: 2.22 2.98 3.73 5/379 18458
/proc/meminfo: memFree=18206100/32951124 swapFree=45193364/67111528
[pid=18457] ppid=18455 vsize=15520 CPUtime=1.49 cores=1,3
/proc/18457/stat : 18457 (MPhaseSAT64) R 18455 18457 17657 0 -1 4202496 1505 0 0 0 149 0 0 0 25 0 1 0 735230882 15892480 1208 33554432000 4194304 4479436 140734235115264 18446744073709551615 4294616 0 0 4096 1026 0 0 0 17 1 0 0 0
/proc/18457/statm: 3880 1208 327 70 0 1000 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 15520

[startup+3.10033 s]
/proc/loadavg: 2.36 3.00 3.73 5/379 18458
/proc/meminfo: memFree=18205108/32951124 swapFree=45193364/67111528
[pid=18457] ppid=18455 vsize=15520 CPUtime=3.09 cores=1,3
/proc/18457/stat : 18457 (MPhaseSAT64) R 18455 18457 17657 0 -1 4202496 1505 0 0 0 309 0 0 0 25 0 1 0 735230882 15892480 1208 33554432000 4194304 4479436 140734235115264 18446744073709551615 4294852 0 0 4096 1026 0 0 0 17 1 0 0 0
/proc/18457/statm: 3880 1208 327 70 0 1000 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 15520

[startup+6.3008 s]
/proc/loadavg: 2.36 3.00 3.73 5/379 18458
/proc/meminfo: memFree=18204224/32951124 swapFree=45193364/67111528
[pid=18457] ppid=18455 vsize=15520 CPUtime=6.29 cores=1,3
/proc/18457/stat : 18457 (MPhaseSAT64) R 18455 18457 17657 0 -1 4202496 1505 0 0 0 629 0 0 0 25 0 1 0 735230882 15892480 1208 33554432000 4194304 4479436 140734235115264 18446744073709551615 4295485 0 0 4096 1026 0 0 0 17 1 0 0 0
/proc/18457/statm: 3880 1208 327 70 0 1000 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 15520

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

[startup+6.70074 s]
/proc/loadavg: 2.36 3.00 3.73 5/379 18458
/proc/meminfo: memFree=18204472/32951124 swapFree=45193364/67111528
[pid=18457] ppid=18455 vsize=15520 CPUtime=6.69 cores=1,3
/proc/18457/stat : 18457 (MPhaseSAT64) R 18455 18457 17657 0 -1 4202496 1505 0 0 0 669 0 0 0 25 0 1 0 735230882 15892480 1208 33554432000 4194304 4479436 140734235115264 18446744073709551615 4295170 0 0 4096 1026 0 0 0 17 1 0 0 0
/proc/18457/statm: 3880 1208 327 70 0 1000 0
Current children cumulated CPU time (s) 6.69
Current children cumulated vsize (KiB) 15520

Child status: 10
Real time (s): 6.77798
CPU time (s): 6.77597
CPU user time (s): 6.76997
CPU system time (s): 0.005999
CPU usage (%): 99.9703
Max. virtual memory (cumulated for all children) (KiB): 15520

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 6.76997
system time used= 0.005999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1521
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= 4
involuntary context switches= 20

runsolver used 0.020996 second user time and 0.065989 second system time

The end

Launcher Data 

Begin job on node118 at 2011-05-15 11:00:02
IDJOB=3375280
IDBENCH=82989
IDSOLVER=1855
FILE ID=node118/3375280-1305450002
RUNJOBID= node118-1305449986-18201
PBS_JOBID= 13324868
Free space on /tmp= 73328 MiB

SOLVER NAME= MPhaseSAT64 2011-05-14 (fixed)
BENCH NAME= SAT11/random/medium/unif-k7-r89-v90-c8010-S51928934-076.SATISFIABLE.cnf
COMMAND LINE= MPhaseSAT64 BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3375280-1305450002/watcher-3375280-1305450002 -o /tmp/evaluation-result-3375280-1305450002/solver-3375280-1305450002 -C 2400 -W 1300 -M 7680  MPhaseSAT64 HOME/instance-3375280-1305450002.cnf

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

MD5SUM BENCH= 398f9c2cc63f6285faba700796fc9dcc
RANDOM SEED=1393239855

node118.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		: 2666.842
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	: 5333.68
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		: 2666.842
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	: 5332.75
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		: 2666.842
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		: 2666.842
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		: 2666.842
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	: 5332.68
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		: 2666.842
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		: 2666.842
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		: 2666.842
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	: 5374.59
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]


/proc/meminfo:
MemTotal:     32951124 kB
MemFree:      18210424 kB
Buffers:        289012 kB
Cached:        4436744 kB
SwapCached:      22084 kB
Active:       11806520 kB
Inactive:      2630256 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951124 kB
LowFree:      18210424 kB
SwapTotal:    67111528 kB
SwapFree:     45193364 kB
Dirty:            2056 kB
Writeback:           0 kB
AnonPages:     9701688 kB
Mapped:          16268 kB
Slab:           148356 kB
PageTables:      90656 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587088 kB
Committed_AS: 88709512 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= 73328 MiB
End job on node118 at 2011-05-15 11:00:09