Trace number 3094343

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
MPhaseSAT 2011-02-15SAT 5.98709 5.9904

General information on the benchmark

Namerandom/medium/
unif-k7-r89-v80-c7120-S474185167-033.SATISFIABLE.cnf
MD5SUM3152d51685e76b4a30e45b9928cc3243
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.831872
Satisfiable
(Un)Satisfiability was proved
Number of variables80
Number of clauses7120
Sum of the clauses size49840
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 57120

Solver Data 

5.89/5.99	c MPhaseSAT version 401 by Jingchao Chen,  April 1, 2011
5.89/5.99	c input CNF file=HOME/instance-3094343-1301753811.cnf 
5.89/5.99	c Clause#=7120  var#=80  ratio=89 
5.89/5.99	c Simplified clause#=7120 
5.89/5.99	c XOR_varElimination deleted var#=0 clauses#=7120 
5.89/5.99	c inative var#=0 
5.89/5.99	c free var#=80  
5.89/5.99	c local search on 
5.89/5.99	c A solution found by local search 
5.89/5.99	c unfixed var#=0 var#=80 
5.89/5.99	c verified 
5.89/5.99	c 
5.89/5.99	s SATISFIABLE
5.89/5.99	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 
5.89/5.99	v 0
5.89/5.99	c 
5.89/5.99	c  Running time=5.985090

Verifier Data 

OK

Watcher Data 

runsolver Copyright (C) 2010 Olivier ROUSSEL

This is runsolver version 3.3.0 (svn: 893)

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-3094343-1301753811/watcher-3094343-1301753811 -o /tmp/evaluation-result-3094343-1301753811/solver-3094343-1301753811 -C 2400 -W 1300 -M 7680 MPhaseSAT HOME/instance-3094343-1301753811.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: 3.84 3.97 3.93 3/187 11223
/proc/meminfo: memFree=18482696/32950928 swapFree=67111528/67111528
[pid=11223] ppid=11221 vsize=3208 CPUtime=0 cores=1,3
/proc/11223/stat : 11223 (MPhaseSAT) R 11221 11223 10339 0 -1 4202496 322 0 0 0 0 0 0 0 25 0 1 0 365611807 3284992 262 33554432000 134512640 134731564 4291193568 18446744073709551615 134531593 0 0 4096 1026 0 0 0 17 1 0 0 0
/proc/11223/statm: 802 262 225 54 0 112 0

[startup+0.012643 s]
/proc/loadavg: 3.84 3.97 3.93 3/187 11223
/proc/meminfo: memFree=18482696/32950928 swapFree=67111528/67111528
[pid=11223] ppid=11221 vsize=3232 CPUtime=0 cores=1,3
/proc/11223/stat : 11223 (MPhaseSAT) R 11221 11223 10339 0 -1 4202496 364 0 0 0 0 0 0 0 25 0 1 0 365611807 3309568 304 33554432000 134512640 134731564 4291193568 18446744073709551615 3515048 0 0 4096 1026 0 0 0 17 1 0 0 0
/proc/11223/statm: 808 304 226 54 0 118 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 3232

[startup+0.100646 s]
/proc/loadavg: 3.84 3.97 3.93 3/187 11223
/proc/meminfo: memFree=18482696/32950928 swapFree=67111528/67111528
[pid=11223] ppid=11221 vsize=4548 CPUtime=0.09 cores=1,3
/proc/11223/stat : 11223 (MPhaseSAT) R 11221 11223 10339 0 -1 4202496 783 0 0 0 9 0 0 0 25 0 1 0 365611807 4657152 673 33554432000 134512640 134731564 4291193568 18446744073709551615 134669061 0 0 4096 1026 0 0 0 17 1 0 0 0
/proc/11223/statm: 1137 673 268 54 0 447 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 4548

[startup+0.300609 s]
/proc/loadavg: 3.84 3.97 3.93 3/187 11223
/proc/meminfo: memFree=18482696/32950928 swapFree=67111528/67111528
[pid=11223] ppid=11221 vsize=4812 CPUtime=0.29 cores=1,3
/proc/11223/stat : 11223 (MPhaseSAT) R 11221 11223 10339 0 -1 4202496 856 0 0 0 29 0 0 0 25 0 1 0 365611807 4927488 746 33554432000 134512640 134731564 4291193568 18446744073709551615 134667196 0 0 4096 1026 0 0 0 17 1 0 0 0
/proc/11223/statm: 1203 746 268 54 0 513 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 4812

[startup+0.700532 s]
/proc/loadavg: 3.84 3.97 3.93 3/187 11223
/proc/meminfo: memFree=18482696/32950928 swapFree=67111528/67111528
[pid=11223] ppid=11221 vsize=5080 CPUtime=0.69 cores=1,3
/proc/11223/stat : 11223 (MPhaseSAT) R 11221 11223 10339 0 -1 4202496 937 0 0 0 69 0 0 0 25 0 1 0 365611807 5201920 827 33554432000 134512640 134731564 4291193568 18446744073709551615 134659329 0 0 4096 1026 0 0 0 17 1 0 0 0
/proc/11223/statm: 1270 827 268 54 0 580 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 5080

[startup+1.50038 s]
/proc/loadavg: 3.84 3.97 3.93 4/188 11224
/proc/meminfo: memFree=18479844/32950928 swapFree=67111528/67111528
[pid=11223] ppid=11221 vsize=5484 CPUtime=1.49 cores=1,3
/proc/11223/stat : 11223 (MPhaseSAT) R 11221 11223 10339 0 -1 4202496 1033 0 0 0 149 0 0 0 25 0 1 0 365611807 5615616 923 33554432000 134512640 134731564 4291193568 18446744073709551615 134605858 0 0 4096 1026 0 0 0 17 1 0 0 0
/proc/11223/statm: 1371 923 271 54 0 681 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 5484

[startup+3.10109 s]
/proc/loadavg: 3.84 3.97 3.93 5/190 11251
/proc/meminfo: memFree=18479324/32950928 swapFree=67111528/67111528
[pid=11223] ppid=11221 vsize=5484 CPUtime=3.09 cores=1,3
/proc/11223/stat : 11223 (MPhaseSAT) R 11221 11223 10339 0 -1 4202496 1033 0 0 0 309 0 0 0 25 0 1 0 365611807 5615616 923 33554432000 134512640 134731564 4291193568 18446744073709551615 134606245 0 0 4096 1026 0 0 0 17 1 0 0 0
/proc/11223/statm: 1371 923 271 54 0 681 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 5484

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

[startup+4.70077 s]
/proc/loadavg: 3.84 3.97 3.93 5/190 11278
/proc/meminfo: memFree=18477972/32950928 swapFree=67111528/67111528
[pid=11223] ppid=11221 vsize=5484 CPUtime=4.69 cores=1,3
/proc/11223/stat : 11223 (MPhaseSAT) R 11221 11223 10339 0 -1 4202496 1033 0 0 0 469 0 0 0 25 0 1 0 365611807 5615616 923 33554432000 134512640 134731564 4291193568 18446744073709551615 134606124 0 0 4096 1026 0 0 0 17 1 0 0 0
/proc/11223/statm: 1371 923 271 54 0 681 0
Current children cumulated CPU time (s) 4.69
Current children cumulated vsize (KiB) 5484

[startup+5.50562 s]
/proc/loadavg: 3.85 3.97 3.93 5/190 11278
/proc/meminfo: memFree=18477228/32950928 swapFree=67111528/67111528
[pid=11223] ppid=11221 vsize=5484 CPUtime=5.5 cores=1,3
/proc/11223/stat : 11223 (MPhaseSAT) R 11221 11223 10339 0 -1 4202496 1033 0 0 0 550 0 0 0 25 0 1 0 365611807 5615616 923 33554432000 134512640 134731564 4291193568 18446744073709551615 134605464 0 0 4096 1026 0 0 0 17 1 0 0 0
/proc/11223/statm: 1371 923 271 54 0 681 0
Current children cumulated CPU time (s) 5.5
Current children cumulated vsize (KiB) 5484

[startup+5.90055 s]
/proc/loadavg: 3.85 3.97 3.93 5/190 11278
/proc/meminfo: memFree=18477228/32950928 swapFree=67111528/67111528
[pid=11223] ppid=11221 vsize=5484 CPUtime=5.89 cores=1,3
/proc/11223/stat : 11223 (MPhaseSAT) R 11221 11223 10339 0 -1 4202496 1033 0 0 0 589 0 0 0 25 0 1 0 365611807 5615616 923 33554432000 134512640 134731564 4291193568 18446744073709551615 134605379 0 0 4096 1026 0 0 0 17 1 0 0 0
/proc/11223/statm: 1371 923 271 54 0 681 0
Current children cumulated CPU time (s) 5.89
Current children cumulated vsize (KiB) 5484

Child status: 10
Real time (s): 5.9904
CPU time (s): 5.98709
CPU user time (s): 5.98409
CPU system time (s): 0.002999
CPU usage (%): 99.9447
Max. virtual memory (cumulated for all children) (KiB): 5484

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 5.98409
system time used= 0.002999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1043
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= 6
involuntary context switches= 76

runsolver used 0.008998 second user time and 0.021996 second system time

The end

Launcher Data 

Begin job on node115 at 2011-04-02 16:16:51
IDJOB=3094343
IDBENCH=82825
IDSOLVER=1520
FILE ID=node115/3094343-1301753811
RUNJOBID= node115-1301748570-10359
PBS_JOBID= 12841022
Free space on /tmp= 71368 MiB

SOLVER NAME= MPhaseSAT 2011-02-15
BENCH NAME= SAT11/random/medium/unif-k7-r89-v80-c7120-S474185167-033.SATISFIABLE.cnf
COMMAND LINE= MPhaseSAT BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3094343-1301753811/watcher-3094343-1301753811 -o /tmp/evaluation-result-3094343-1301753811/solver-3094343-1301753811 -C 2400 -W 1300 -M 7680  MPhaseSAT HOME/instance-3094343-1301753811.cnf

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

MD5SUM BENCH= 3152d51685e76b4a30e45b9928cc3243
RANDOM SEED=916818249

node115.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		: 2666.811
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	: 5333.62
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		: 2666.811
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	: 5226.15
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		: 2666.811
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	: 5332.75
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		: 2666.811
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		: 2666.811
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		: 2666.811
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	: 5332.74
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		: 2666.811
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		: 2666.811
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:      18482728 kB
Buffers:        396284 kB
Cached:       13693588 kB
SwapCached:          0 kB
Active:        9246440 kB
Inactive:      4916864 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32950928 kB
LowFree:      18482728 kB
SwapTotal:    67111528 kB
SwapFree:     67111528 kB
Dirty:             504 kB
Writeback:           0 kB
AnonPages:       72788 kB
Mapped:          16712 kB
Slab:           241116 kB
PageTables:       5256 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83586992 kB
Committed_AS:   267704 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= 71368 MiB
End job on node115 at 2011-04-02 16:16:57