Trace number 3095540

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_M 2011-02-16SAT 0.933857 0.934472

General information on the benchmark

Namerandom/medium/
unif-k7-r89-v50-c4450-S1087312438-073.SATISFIABLE.cnf
MD5SUMc17bf9a7166c271aab493c355a187474
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.05399
Satisfiable
(Un)Satisfiability was proved
Number of variables50
Number of clauses4450
Sum of the clauses size31150
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 54450

Solver Data 

0.89/0.93	c MPhaseSAT_M version 401 suited for random catagory by Jingchao Chen,  April 1,2011 
0.89/0.93	c input CNF file=HOME/instance-3095540-1301753792.cnf 
0.89/0.93	c Clause#=4450  var#=50  ratio=89 
0.89/0.93	c Simplified clause#=4450 
0.89/0.93	c XOR_varElimination deleted var#=0 clauses#=4450 
0.89/0.93	c inative var#=0 
0.89/0.93	c free var#=50  
0.89/0.93	c local search on 
0.89/0.93	c A solution found by local search 
0.89/0.93	c unfixed var#=0 var#=50 
0.89/0.93	c verified 
0.89/0.93	c 
0.89/0.93	s SATISFIABLE
0.89/0.93	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 
0.89/0.93	v 0
0.89/0.93	c 
0.89/0.93	c  Running time=0.931859

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-3095540-1301753792/watcher-3095540-1301753792 -o /tmp/evaluation-result-3095540-1301753792/solver-3095540-1301753792 -C 2400 -W 1300 -M 7680 MPhaseSAT_M HOME/instance-3095540-1301753792.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: 3.78 3.95 3.93 4/189 28848
/proc/meminfo: memFree=20538752/32950928 swapFree=67111528/67111528
[pid=28848] ppid=28846 vsize=3140 CPUtime=0 cores=1,3
/proc/28848/stat : 28848 (MPhaseSAT_M) R 28846 28848 27938 0 -1 4202496 339 0 0 0 0 0 0 0 18 0 1 0 365609902 3215360 278 33554432000 134512640 134829744 4291670864 18446744073709551615 134531663 0 0 4096 1026 0 0 0 17 1 0 0 0
/proc/28848/statm: 785 278 225 78 0 71 0

[startup+0.0657461 s]
/proc/loadavg: 3.78 3.95 3.93 4/189 28848
/proc/meminfo: memFree=20538752/32950928 swapFree=67111528/67111528
[pid=28848] ppid=28846 vsize=4036 CPUtime=0.06 cores=1,3
/proc/28848/stat : 28848 (MPhaseSAT_M) R 28846 28848 27938 0 -1 4202496 639 0 0 0 6 0 0 0 18 0 1 0 365609902 4132864 537 33554432000 134512640 134829744 4291670864 18446744073709551615 134657636 0 0 4096 1026 0 0 0 17 1 0 0 0
/proc/28848/statm: 1009 537 270 78 0 295 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 4036

[startup+0.100701 s]
/proc/loadavg: 3.78 3.95 3.93 4/189 28848
/proc/meminfo: memFree=20538752/32950928 swapFree=67111528/67111528
[pid=28848] ppid=28846 vsize=4036 CPUtime=0.09 cores=1,3
/proc/28848/stat : 28848 (MPhaseSAT_M) R 28846 28848 27938 0 -1 4202496 655 0 0 0 9 0 0 0 18 0 1 0 365609902 4132864 553 33554432000 134512640 134829744 4291670864 18446744073709551615 134722610 0 0 4096 1026 0 0 0 17 1 0 0 0
/proc/28848/statm: 1009 553 270 78 0 295 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 4036

[startup+0.300665 s]
/proc/loadavg: 3.78 3.95 3.93 4/189 28848
/proc/meminfo: memFree=20538752/32950928 swapFree=67111528/67111528
[pid=28848] ppid=28846 vsize=4432 CPUtime=0.29 cores=1,3
/proc/28848/stat : 28848 (MPhaseSAT_M) R 28846 28848 27938 0 -1 4202496 739 0 0 0 29 0 0 0 18 0 1 0 365609902 4538368 637 33554432000 134512640 134829744 4291670864 18446744073709551615 134614874 0 0 4096 1026 0 0 0 17 1 0 0 0
/proc/28848/statm: 1108 637 270 78 0 394 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 4432

[startup+0.70059 s]
/proc/loadavg: 3.78 3.95 3.93 4/189 28848
/proc/meminfo: memFree=20538752/32950928 swapFree=67111528/67111528
[pid=28848] ppid=28846 vsize=4828 CPUtime=0.69 cores=1,3
/proc/28848/stat : 28848 (MPhaseSAT_M) R 28846 28848 27938 0 -1 4202496 844 0 0 0 69 0 0 0 18 0 1 0 365609902 4943872 742 33554432000 134512640 134829744 4291670864 18446744073709551615 134605487 0 0 4096 1026 0 0 0 17 1 0 0 0
/proc/28848/statm: 1207 742 273 78 0 493 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 4828

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

[startup+0.900551 s]
/proc/loadavg: 3.78 3.95 3.93 4/189 28848
/proc/meminfo: memFree=20538752/32950928 swapFree=67111528/67111528
[pid=28848] ppid=28846 vsize=4828 CPUtime=0.89 cores=1,3
/proc/28848/stat : 28848 (MPhaseSAT_M) R 28846 28848 27938 0 -1 4202496 844 0 0 0 89 0 0 0 19 0 1 0 365609902 4943872 742 33554432000 134512640 134829744 4291670864 18446744073709551615 134605603 0 0 4096 1026 0 0 0 17 1 0 0 0
/proc/28848/statm: 1207 742 273 78 0 493 0
Current children cumulated CPU time (s) 0.89
Current children cumulated vsize (KiB) 4828

Child status: 10
Real time (s): 0.934472
CPU time (s): 0.933857
CPU user time (s): 0.932858
CPU system time (s): 0.000999
CPU usage (%): 99.9342
Max. virtual memory (cumulated for all children) (KiB): 4828

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.932858
system time used= 0.000999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 853
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= 4

runsolver used 0.000999 second user time and 0.010998 second system time

The end

Launcher Data 

Begin job on node114 at 2011-04-02 16:16:32
IDJOB=3095540
IDBENCH=82822
IDSOLVER=1522
FILE ID=node114/3095540-1301753792
RUNJOBID= node114-1301748575-27958
PBS_JOBID= 12841023
Free space on /tmp= 70636 MiB

SOLVER NAME= MPhaseSAT_M 2011-02-16
BENCH NAME= SAT11/random/medium/unif-k7-r89-v50-c4450-S1087312438-073.SATISFIABLE.cnf
COMMAND LINE= MPhaseSAT_M BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3095540-1301753792/watcher-3095540-1301753792 -o /tmp/evaluation-result-3095540-1301753792/solver-3095540-1301753792 -C 2400 -W 1300 -M 7680  MPhaseSAT_M HOME/instance-3095540-1301753792.cnf

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

MD5SUM BENCH= c17bf9a7166c271aab493c355a187474
RANDOM SEED=1396375418

node114.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		: 2666.848
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		: 2666.848
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		: 2666.848
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		: 2666.848
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		: 2666.848
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	: 5332.75
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		: 2666.848
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		: 2666.848
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	: 5332.74
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		: 2666.848
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:      20538892 kB
Buffers:        379180 kB
Cached:       11600944 kB
SwapCached:          0 kB
Active:        8035040 kB
Inactive:      4071032 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32950928 kB
LowFree:      20538892 kB
SwapTotal:    67111528 kB
SwapFree:     67111528 kB
Dirty:            1680 kB
Writeback:           0 kB
AnonPages:      126072 kB
Mapped:          17060 kB
Slab:           244252 kB
PageTables:       5404 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83586992 kB
Committed_AS:   315488 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= 70636 MiB
End job on node114 at 2011-04-02 16:16:33