Trace number 3257431

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 2011-03-03SAT 5.97009 5.97107

General information on the benchmark

NameCRAFTED/edgematching/
fbcolors/em_8_4_5_fbc.cnf
MD5SUM6fdce6b69c397ad71b0f25957edff1fa
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark5.41518
Satisfiable
(Un)Satisfiability was proved
Number of variables2420
Number of clauses33572
Sum of the clauses size97252
Maximum clause length36
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 214396
Number of clauses of size 313968
Number of clauses of size 42628
Number of clauses of size 52460
Number of clauses of size over 5120

Solver Data

5.89/5.97	c MPhaseSAT64 version 402 by Jingchao Chen,  April 1,2011
5.89/5.97	c input CNF file=HOME/instance-3257431-1303466920.cnf 
5.89/5.97	c Clause#=33572  var#=2420  ratio=13 
5.89/5.97	c clause#=44180 var#=3764 #aux var=1344 
5.89/5.97	c verified 
5.89/5.97	c 
5.89/5.97	s SATISFIABLE
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5.89/5.97	v 0
5.89/5.97	c 
5.89/5.97	c  Running time=5.968092 

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-3257431-1303466920/watcher-3257431-1303466920 -o /tmp/evaluation-result-3257431-1303466920/solver-3257431-1303466920 -C 2400 -W 1300 -M 7680 MPhaseSAT64 HOME/instance-3257431-1303466920.cnf 

running on 2 cores: 5,7

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: 2.55 3.51 3.80 4/189 6344
/proc/meminfo: memFree=21272260/32951124 swapFree=67110396/67111528
[pid=6344] ppid=6342 vsize=3988 CPUtime=0 cores=5,7
/proc/6344/stat : 6344 (MPhaseSAT64) R 6342 6344 6230 0 -1 4202496 334 0 0 0 0 0 0 0 25 0 1 0 536922680 4083712 275 33554432000 134512640 134761588 4289649040 18446744073709551615 4294960144 0 0 4096 1026 0 0 0 17 5 0 0 0
/proc/6344/statm: 997 276 225 61 0 300 0

[startup+0.0846229 s]
/proc/loadavg: 2.55 3.51 3.80 4/189 6344
/proc/meminfo: memFree=21272260/32951124 swapFree=67110396/67111528
[pid=6344] ppid=6342 vsize=5988 CPUtime=0.08 cores=5,7
/proc/6344/stat : 6344 (MPhaseSAT64) R 6342 6344 6230 0 -1 4202496 1072 0 0 0 8 0 0 0 25 0 1 0 536922680 6131712 1008 33554432000 134512640 134761588 4289649040 18446744073709551615 134644616 0 0 4096 1026 0 0 0 17 5 0 0 0
/proc/6344/statm: 1497 1008 249 61 0 800 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 5988

[startup+0.100618 s]
/proc/loadavg: 2.55 3.51 3.80 4/189 6344
/proc/meminfo: memFree=21272260/32951124 swapFree=67110396/67111528
[pid=6344] ppid=6342 vsize=5988 CPUtime=0.09 cores=5,7
/proc/6344/stat : 6344 (MPhaseSAT64) R 6342 6344 6230 0 -1 4202496 1072 0 0 0 9 0 0 0 25 0 1 0 536922680 6131712 1008 33554432000 134512640 134761588 4289649040 18446744073709551615 134643500 0 0 4096 1026 0 0 0 17 5 0 0 0
/proc/6344/statm: 1497 1008 249 61 0 800 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 5988

[startup+0.300586 s]
/proc/loadavg: 2.55 3.51 3.80 4/189 6344
/proc/meminfo: memFree=21272260/32951124 swapFree=67110396/67111528
[pid=6344] ppid=6342 vsize=5364 CPUtime=0.29 cores=5,7
/proc/6344/stat : 6344 (MPhaseSAT64) R 6342 6344 6230 0 -1 4202496 1339 0 0 0 29 0 0 0 25 0 1 0 536922680 5492736 866 33554432000 134512640 134761588 4289649040 18446744073709551615 134621976 0 0 4096 1026 0 0 0 17 5 0 0 0
/proc/6344/statm: 1341 866 258 61 0 644 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 5364

[startup+0.700524 s]
/proc/loadavg: 2.55 3.51 3.80 4/189 6344
/proc/meminfo: memFree=21272260/32951124 swapFree=67110396/67111528
[pid=6344] ppid=6342 vsize=6148 CPUtime=0.69 cores=5,7
/proc/6344/stat : 6344 (MPhaseSAT64) R 6342 6344 6230 0 -1 4202496 1652 0 0 0 69 0 0 0 25 0 1 0 536922680 6295552 1019 33554432000 134512640 134761588 4289649040 18446744073709551615 134616704 0 0 4096 1026 0 0 0 17 5 0 0 0
/proc/6344/statm: 1537 1019 264 61 0 840 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 6148

[startup+1.50038 s]
/proc/loadavg: 2.66 3.52 3.81 5/190 6345
/proc/meminfo: memFree=21268416/32951124 swapFree=67110396/67111528
[pid=6344] ppid=6342 vsize=9696 CPUtime=1.49 cores=5,7
/proc/6344/stat : 6344 (MPhaseSAT64) R 6342 6344 6230 0 -1 4202496 2529 0 0 0 149 0 0 0 25 0 1 0 536922680 9928704 1896 33554432000 134512640 134761588 4289649040 18446744073709551615 134635900 0 0 4096 1026 0 0 0 17 5 0 0 0
/proc/6344/statm: 2424 1896 264 61 0 1727 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 9696

[startup+3.10113 s]
/proc/loadavg: 2.66 3.52 3.81 5/190 6345
/proc/meminfo: memFree=21264024/32951124 swapFree=67110396/67111528
[pid=6344] ppid=6342 vsize=9964 CPUtime=3.09 cores=5,7
/proc/6344/stat : 6344 (MPhaseSAT64) R 6342 6344 6230 0 -1 4202496 3111 0 0 0 309 0 0 0 25 0 1 0 536922680 10203136 1995 33554432000 134512640 134761588 4289649040 18446744073709551615 134635939 0 0 4096 1026 0 0 0 17 5 0 0 0
/proc/6344/statm: 2491 1995 264 61 0 1794 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 9964

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

[startup+4.70086 s]
/proc/loadavg: 2.66 3.52 3.81 5/190 6345
/proc/meminfo: memFree=21263036/32951124 swapFree=67110396/67111528
[pid=6344] ppid=6342 vsize=10352 CPUtime=4.69 cores=5,7
/proc/6344/stat : 6344 (MPhaseSAT64) R 6342 6344 6230 0 -1 4202496 3721 0 0 0 469 0 0 0 25 0 1 0 536922680 10600448 2060 33554432000 134512640 134761588 4289649040 18446744073709551615 134726310 0 0 4096 1026 0 0 0 17 5 0 0 0
/proc/6344/statm: 2588 2060 264 61 0 1891 0
Current children cumulated CPU time (s) 4.69
Current children cumulated vsize (KiB) 10352

[startup+5.50673 s]
/proc/loadavg: 2.77 3.52 3.81 5/190 6345
/proc/meminfo: memFree=21261672/32951124 swapFree=67110396/67111528
[pid=6344] ppid=6342 vsize=13424 CPUtime=5.49 cores=5,7
/proc/6344/stat : 6344 (MPhaseSAT64) R 6342 6344 6230 0 -1 4202496 4489 0 0 0 549 0 0 0 25 0 1 0 536922680 13746176 2828 33554432000 134512640 134761588 4289649040 18446744073709551615 134635840 0 0 4096 1026 0 0 0 17 5 0 0 0
/proc/6344/statm: 3356 2828 264 61 0 2659 0
Current children cumulated CPU time (s) 5.49
Current children cumulated vsize (KiB) 13424

[startup+5.90065 s]
/proc/loadavg: 2.77 3.52 3.81 5/190 6345
/proc/meminfo: memFree=21261672/32951124 swapFree=67110396/67111528
[pid=6344] ppid=6342 vsize=12636 CPUtime=5.89 cores=5,7
/proc/6344/stat : 6344 (MPhaseSAT64) R 6342 6344 6230 0 -1 4202496 4548 0 0 0 589 0 0 0 25 0 1 0 536922680 12939264 2631 33554432000 134512640 134761588 4289649040 18446744073709551615 134635836 0 0 4096 1026 0 0 0 17 5 0 0 0
/proc/6344/statm: 3159 2631 264 61 0 2462 0
Current children cumulated CPU time (s) 5.89
Current children cumulated vsize (KiB) 12636

Child status: 10
Real time (s): 5.97107
CPU time (s): 5.97009
CPU user time (s): 5.96109
CPU system time (s): 0.008998
CPU usage (%): 99.9836
Max. virtual memory (cumulated for all children) (KiB): 13424

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 5.96109
system time used= 0.008998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 4653
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= 7
involuntary context switches= 83

runsolver used 0.007998 second user time and 0.028995 second system time

The end

Launcher Data

Begin job on node118 at 2011-04-22 12:08:40
IDJOB=3257431
IDBENCH=70930
IDSOLVER=1521
FILE ID=node118/3257431-1303466920
RUNJOBID= node118-1303466902-6251
PBS_JOBID= 13107181
Free space on /tmp= 71724 MiB

SOLVER NAME= MPhaseSAT64 2011-03-03
BENCH NAME= SAT09/CRAFTED/edgematching/fbcolors/em_8_4_5_fbc.cnf
COMMAND LINE= MPhaseSAT64 BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3257431-1303466920/watcher-3257431-1303466920 -o /tmp/evaluation-result-3257431-1303466920/solver-3257431-1303466920 -C 2400 -W 1300 -M 7680  MPhaseSAT64 HOME/instance-3257431-1303466920.cnf

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

MD5SUM BENCH= 6fdce6b69c397ad71b0f25957edff1fa
RANDOM SEED=366173497

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:      21272540 kB
Buffers:       1152232 kB
Cached:        9912932 kB
SwapCached:        600 kB
Active:        7498180 kB
Inactive:      3675644 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951124 kB
LowFree:      21272540 kB
SwapTotal:    67111528 kB
SwapFree:     67110396 kB
Dirty:            7832 kB
Writeback:           0 kB
AnonPages:      107644 kB
Mapped:          16872 kB
Slab:           439408 kB
PageTables:       4952 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587088 kB
Committed_AS:   296916 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= 71724 MiB
End job on node118 at 2011-04-22 12:08:46