Trace number 3094846

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 1.45678 1.45654

General information on the benchmark

Namerandom/medium/
unif-k7-r89-v60-c5340-S1141565617-016.SATISFIABLE.cnf
MD5SUM0d2557a5d8edb4c9702dcfea1e1cd4c5
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.030994
Satisfiable
(Un)Satisfiability was proved
Number of variables60
Number of clauses5340
Sum of the clauses size37380
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 55340

Solver Data 

1.39/1.45	c MPhaseSAT64 version 402 by Jingchao Chen,  April 1,2011
1.39/1.45	c input CNF file=HOME/instance-3094846-1301752615.cnf 
1.39/1.45	c Clause#=5340  var#=60  ratio=89 
1.39/1.45	c Simplified clause#=5340 
1.39/1.45	c XOR_varElimination deleted var#=0 clauses#=5340 
1.39/1.45	c inative var#=0 
1.39/1.45	c free var#=60  
1.39/1.45	c local search on 
1.39/1.45	c A solution found by local search 
1.39/1.45	c unfixed var#=0 var#=60 
1.39/1.45	c verified 
1.39/1.45	c 
1.39/1.45	s SATISFIABLE
1.39/1.45	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 
1.39/1.45	v 0
1.39/1.45	c 
1.39/1.45	c  Running time=1.454779

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-3094846-1301752615/watcher-3094846-1301752615 -o /tmp/evaluation-result-3094846-1301752615/solver-3094846-1301752615 -C 2400 -W 1300 -M 7680 MPhaseSAT64 HOME/instance-3094846-1301752615.cnf 

running on 2 cores: 4,6

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: 4.00 4.00 3.91 4/189 10483
/proc/meminfo: memFree=20408768/32951124 swapFree=67111528/67111528
[pid=10483] ppid=10481 vsize=3212 CPUtime=0 cores=4,6
/proc/10483/stat : 10483 (MPhaseSAT64) R 10481 10483 9914 0 -1 4202496 339 0 0 0 0 0 0 0 25 0 1 0 267676957 3289088 279 33554432000 134512640 134761588 4287789392 18446744073709551615 134531305 0 0 4096 1026 0 0 0 17 4 0 0 0
/proc/10483/statm: 803 279 225 61 0 106 0

[startup+0.007102 s]
/proc/loadavg: 4.00 4.00 3.91 4/189 10483
/proc/meminfo: memFree=20408768/32951124 swapFree=67111528/67111528
[pid=10483] ppid=10481 vsize=3212 CPUtime=0 cores=4,6
/proc/10483/stat : 10483 (MPhaseSAT64) R 10481 10483 9914 0 -1 4202496 346 0 0 0 0 0 0 0 25 0 1 0 267676957 3289088 286 33554432000 134512640 134761588 4287789392 18446744073709551615 134531305 0 0 4096 1026 0 0 0 17 4 0 0 0
/proc/10483/statm: 803 286 225 61 0 106 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 3212

[startup+0.101096 s]
/proc/loadavg: 4.00 4.00 3.91 4/189 10483
/proc/meminfo: memFree=20408768/32951124 swapFree=67111528/67111528
[pid=10483] ppid=10481 vsize=4696 CPUtime=0.09 cores=4,6
/proc/10483/stat : 10483 (MPhaseSAT64) R 10481 10483 9914 0 -1 4202496 824 0 0 0 9 0 0 0 25 0 1 0 267676957 4808704 726 33554432000 134512640 134761588 4287789392 18446744073709551615 134644415 0 0 4096 1026 0 0 0 17 4 0 0 0
/proc/10483/statm: 1174 726 259 61 0 477 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 4696

[startup+0.301056 s]
/proc/loadavg: 4.00 4.00 3.91 4/189 10483
/proc/meminfo: memFree=20408768/32951124 swapFree=67111528/67111528
[pid=10483] ppid=10481 vsize=4696 CPUtime=0.29 cores=4,6
/proc/10483/stat : 10483 (MPhaseSAT64) R 10481 10483 9914 0 -1 4202496 834 0 0 0 29 0 0 0 25 0 1 0 267676957 4808704 736 33554432000 134512640 134761588 4287789392 18446744073709551615 134614784 0 0 4096 1026 0 0 0 17 4 0 0 0
/proc/10483/statm: 1174 736 269 61 0 477 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 4696

[startup+0.700997 s]
/proc/loadavg: 4.00 4.00 3.91 4/189 10483
/proc/meminfo: memFree=20408768/32951124 swapFree=67111528/67111528
[pid=10483] ppid=10481 vsize=7304 CPUtime=0.69 cores=4,6
/proc/10483/stat : 10483 (MPhaseSAT64) R 10481 10483 9914 0 -1 4202496 1491 0 0 0 69 0 0 0 25 0 1 0 267676957 7479296 1393 33554432000 134512640 134761588 4287789392 18446744073709551615 134726245 0 0 4096 1026 0 0 0 17 4 0 0 0
/proc/10483/statm: 1826 1393 274 61 0 1129 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 7304

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

[startup+1.10691 s]
/proc/loadavg: 4.00 4.00 3.91 5/190 10484
/proc/meminfo: memFree=20402816/32951124 swapFree=67111528/67111528
[pid=10483] ppid=10481 vsize=7436 CPUtime=1.1 cores=4,6
/proc/10483/stat : 10483 (MPhaseSAT64) R 10481 10483 9914 0 -1 4202496 1652 0 0 0 110 0 0 0 25 0 1 0 267676957 7614464 1426 33554432000 134512640 134761588 4287789392 18446744073709551615 134748099 0 0 4096 1026 0 0 0 17 4 0 0 0
/proc/10483/statm: 1859 1426 274 61 0 1162 0
Current children cumulated CPU time (s) 1.1
Current children cumulated vsize (KiB) 7436

[startup+1.30088 s]
/proc/loadavg: 4.00 4.00 3.91 5/190 10484
/proc/meminfo: memFree=20402816/32951124 swapFree=67111528/67111528
[pid=10483] ppid=10481 vsize=7436 CPUtime=1.29 cores=4,6
/proc/10483/stat : 10483 (MPhaseSAT64) R 10481 10483 9914 0 -1 4202496 1655 0 0 0 129 0 0 0 25 0 1 0 267676957 7614464 1429 33554432000 134512640 134761588 4287789392 18446744073709551615 134606145 0 0 4096 1026 0 0 0 17 4 0 0 0
/proc/10483/statm: 1859 1429 277 61 0 1162 0
Current children cumulated CPU time (s) 1.29
Current children cumulated vsize (KiB) 7436

[startup+1.40083 s]
/proc/loadavg: 4.00 4.00 3.91 5/190 10484
/proc/meminfo: memFree=20402816/32951124 swapFree=67111528/67111528
[pid=10483] ppid=10481 vsize=7436 CPUtime=1.39 cores=4,6
/proc/10483/stat : 10483 (MPhaseSAT64) R 10481 10483 9914 0 -1 4202496 1655 0 0 0 139 0 0 0 25 0 1 0 267676957 7614464 1429 33554432000 134512640 134761588 4287789392 18446744073709551615 134605664 0 0 4096 1026 0 0 0 17 4 0 0 0
/proc/10483/statm: 1859 1429 277 61 0 1162 0
Current children cumulated CPU time (s) 1.39
Current children cumulated vsize (KiB) 7436

Child status: 10
Real time (s): 1.45654
CPU time (s): 1.45678
CPU user time (s): 1.45378
CPU system time (s): 0.002999
CPU usage (%): 100.016
Max. virtual memory (cumulated for all children) (KiB): 7436

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.45378
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= 1670
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= 2

runsolver used 0.006998 second user time and 0.004999 second system time

The end

Launcher Data 

Begin job on node142 at 2011-04-02 15:56:55
IDJOB=3094846
IDBENCH=82728
IDSOLVER=1521
FILE ID=node142/3094846-1301752615
RUNJOBID= node142-1301748567-9933
PBS_JOBID= 12840996
Free space on /tmp= 71028 MiB

SOLVER NAME= MPhaseSAT64 2011-03-03
BENCH NAME= SAT11/random/medium/unif-k7-r89-v60-c5340-S1141565617-016.SATISFIABLE.cnf
COMMAND LINE= MPhaseSAT64 BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3094846-1301752615/watcher-3094846-1301752615 -o /tmp/evaluation-result-3094846-1301752615/solver-3094846-1301752615 -C 2400 -W 1300 -M 7680  MPhaseSAT64 HOME/instance-3094846-1301752615.cnf

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

MD5SUM BENCH= 0d2557a5d8edb4c9702dcfea1e1cd4c5
RANDOM SEED=562110493

node142.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		: 2666.846
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		: 2666.846
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	: 5131.95
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		: 2666.846
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	: 5332.82
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		: 2666.846
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	: 5332.67
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		: 2666.846
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	: 5332.81
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		: 2666.846
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		: 2666.846
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		: 2666.846
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:     32951124 kB
MemFree:      20408924 kB
Buffers:        364328 kB
Cached:       11774656 kB
SwapCached:          0 kB
Active:        7553800 kB
Inactive:      4695360 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951124 kB
LowFree:      20408924 kB
SwapTotal:    67111528 kB
SwapFree:     67111528 kB
Dirty:             316 kB
Writeback:           0 kB
AnonPages:      110020 kB
Mapped:          17004 kB
Slab:           228648 kB
PageTables:       5384 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587088 kB
Committed_AS:   294548 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= 71028 MiB
End job on node142 at 2011-04-02 15:56:56