Trace number 3095470

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 1.10183 1.1035

General information on the benchmark

Namerandom/medium/
unif-k5-r21.3-v150-c3195-S334650851-022.SATISFIABLE.cnf
MD5SUM42169be300dc518238277ee8dbfb6b6f
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.114982
Satisfiable
(Un)Satisfiability was proved
Number of variables150
Number of clauses3195
Sum of the clauses size15975
Maximum clause length5
Minimum clause length5
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 53195
Number of clauses of size over 50

Solver Data 

1.00/1.10	c MPhaseSAT_M version 401 suited for random catagory by Jingchao Chen,  April 1,2011 
1.00/1.10	c input CNF file=HOME/instance-3095470-1301752998.cnf 
1.00/1.10	c Clause#=3195  var#=150  ratio=21 
1.00/1.10	c Simplified clause#=3195 
1.00/1.10	c XOR_varElimination deleted var#=0 clauses#=3195 
1.00/1.10	c inative var#=0 
1.00/1.10	c free var#=150  
1.00/1.10	c local search on 
1.00/1.10	c A solution found by local search 
1.00/1.10	c unfixed var#=0 var#=150 
1.00/1.10	c verified 
1.00/1.10	c 
1.00/1.10	s SATISFIABLE
1.00/1.10	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 -91 -92 -93 -94 95 -96 97 98 -99 100 -101 102 103 104 105 -106 -107 -108 109 -110 111 -112 113 114 -115 116 117 118 119 120 -121 122 -123 124 125 -126 -127 -128 -129 130 -131 -132 133 134 135 -136 137 138 139 140 -141 142 -143 -144 145 -146 -147 -148 149 150 
1.00/1.10	v 0
1.00/1.10	c 
1.00/1.10	c  Running time=1.100832

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-3095470-1301752998/watcher-3095470-1301752998 -o /tmp/evaluation-result-3095470-1301752998/solver-3095470-1301752998 -C 2400 -W 1300 -M 7680 MPhaseSAT_M HOME/instance-3095470-1301752998.cnf 

running on 2 cores: 0,2

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: 3.93 3.96 3.91 5/189 18544
/proc/meminfo: memFree=21778128/32951124 swapFree=67111528/67111528
[pid=18544] ppid=18542 vsize=3140 CPUtime=0 cores=0,2
/proc/18544/stat : 18544 (MPhaseSAT_M) R 18542 18544 17687 0 -1 4202496 332 0 0 0 0 0 0 0 25 0 1 0 267716064 3215360 271 33554432000 134512640 134829744 4287398400 18446744073709551615 4294960144 0 0 4096 1026 0 0 0 17 0 0 0 0
/proc/18544/statm: 785 271 225 78 0 71 0

[startup+0.0478351 s]
/proc/loadavg: 3.93 3.96 3.91 5/189 18544
/proc/meminfo: memFree=21778128/32951124 swapFree=67111528/67111528
[pid=18544] ppid=18542 vsize=3524 CPUtime=0.04 cores=0,2
/proc/18544/stat : 18544 (MPhaseSAT_M) R 18542 18544 17687 0 -1 4202496 408 0 0 0 4 0 0 0 25 0 1 0 267716064 3608576 344 33554432000 134512640 134829744 4287398400 18446744073709551615 134580587 0 0 4096 1026 0 0 0 17 0 0 0 0
/proc/18544/statm: 881 344 238 78 0 167 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 3524

[startup+0.100825 s]
/proc/loadavg: 3.93 3.96 3.91 5/189 18544
/proc/meminfo: memFree=21778128/32951124 swapFree=67111528/67111528
[pid=18544] ppid=18542 vsize=3636 CPUtime=0.09 cores=0,2
/proc/18544/stat : 18544 (MPhaseSAT_M) R 18542 18544 17687 0 -1 4202496 506 0 0 0 9 0 0 0 25 0 1 0 267716064 3723264 441 33554432000 134512640 134829744 4287398400 18446744073709551615 134722439 0 0 4096 1026 0 0 0 17 0 0 0 0
/proc/18544/statm: 909 441 270 78 0 195 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 3636

[startup+0.30079 s]
/proc/loadavg: 3.93 3.96 3.91 5/189 18544
/proc/meminfo: memFree=21778128/32951124 swapFree=67111528/67111528
[pid=18544] ppid=18542 vsize=4164 CPUtime=0.29 cores=0,2
/proc/18544/stat : 18544 (MPhaseSAT_M) R 18542 18544 17687 0 -1 4202496 619 0 0 0 29 0 0 0 25 0 1 0 267716064 4263936 554 33554432000 134512640 134829744 4287398400 18446744073709551615 134722447 0 0 4096 1026 0 0 0 17 0 0 0 0
/proc/18544/statm: 1041 554 270 78 0 327 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 4164

[startup+0.700717 s]
/proc/loadavg: 3.93 3.96 3.91 5/189 18544
/proc/meminfo: memFree=21778128/32951124 swapFree=67111528/67111528
[pid=18544] ppid=18542 vsize=4428 CPUtime=0.69 cores=0,2
/proc/18544/stat : 18544 (MPhaseSAT_M) R 18542 18544 17687 0 -1 4202496 686 0 0 0 69 0 0 0 25 0 1 0 267716064 4534272 621 33554432000 134512640 134829744 4287398400 18446744073709551615 134722621 0 0 4096 1026 0 0 0 17 0 0 0 0
/proc/18544/statm: 1107 621 270 78 0 393 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 4428

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

[startup+0.900683 s]
/proc/loadavg: 3.93 3.96 3.91 5/189 18544
/proc/meminfo: memFree=21778128/32951124 swapFree=67111528/67111528
[pid=18544] ppid=18542 vsize=4560 CPUtime=0.89 cores=0,2
/proc/18544/stat : 18544 (MPhaseSAT_M) R 18542 18544 17687 0 -1 4202496 728 0 0 0 89 0 0 0 25 0 1 0 267716064 4669440 663 33554432000 134512640 134829744 4287398400 18446744073709551615 134722607 0 0 4096 1026 0 0 0 17 0 0 0 0
/proc/18544/statm: 1140 663 270 78 0 426 0
Current children cumulated CPU time (s) 0.89
Current children cumulated vsize (KiB) 4560

[startup+1.00066 s]
/proc/loadavg: 3.94 3.96 3.91 5/190 18545
/proc/meminfo: memFree=21776144/32951124 swapFree=67111528/67111528
[pid=18544] ppid=18542 vsize=4692 CPUtime=1 cores=0,2
/proc/18544/stat : 18544 (MPhaseSAT_M) R 18542 18544 17687 0 -1 4202496 772 0 0 0 100 0 0 0 25 0 1 0 267716064 4804608 707 33554432000 134512640 134829744 4287398400 18446744073709551615 134603589 0 0 4096 1026 0 0 0 17 0 0 0 0
/proc/18544/statm: 1173 707 273 78 0 459 0
Current children cumulated CPU time (s) 1
Current children cumulated vsize (KiB) 4692

Child status: 10
Real time (s): 1.1035
CPU time (s): 1.10183
CPU user time (s): 1.09883
CPU system time (s): 0.002999
CPU usage (%): 99.8484
Max. virtual memory (cumulated for all children) (KiB): 4692

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.09883
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= 790
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= 15

runsolver used 0.003999 second user time and 0.007998 second system time

The end

Launcher Data 

Begin job on node146 at 2011-04-02 16:03:18
IDJOB=3095470
IDBENCH=82752
IDSOLVER=1522
FILE ID=node146/3095470-1301752998
RUNJOBID= node146-1301748567-17705
PBS_JOBID= 12840993
Free space on /tmp= 72160 MiB

SOLVER NAME= MPhaseSAT_M 2011-02-16
BENCH NAME= SAT11/random/medium/unif-k5-r21.3-v150-c3195-S334650851-022.SATISFIABLE.cnf
COMMAND LINE= MPhaseSAT_M BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3095470-1301752998/watcher-3095470-1301752998 -o /tmp/evaluation-result-3095470-1301752998/solver-3095470-1301752998 -C 2400 -W 1300 -M 7680  MPhaseSAT_M HOME/instance-3095470-1301752998.cnf

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

MD5SUM BENCH= 42169be300dc518238277ee8dbfb6b6f
RANDOM SEED=1032570647

node146.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		: 2666.830
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	: 5333.66
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		: 2666.830
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		: 2666.830
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		: 2666.830
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	: 5332.86
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		: 2666.830
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		: 2666.830
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		: 2666.830
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		: 2666.830
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:      21778408 kB
Buffers:        346512 kB
Cached:       10431352 kB
SwapCached:          0 kB
Active:        7174280 kB
Inactive:      3746996 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951124 kB
LowFree:      21778408 kB
SwapTotal:    67111528 kB
SwapFree:     67111528 kB
Dirty:             584 kB
Writeback:           0 kB
AnonPages:      142924 kB
Mapped:          17148 kB
Slab:           188632 kB
PageTables:       5432 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587088 kB
Committed_AS:   334516 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= 72160 MiB
End job on node146 at 2011-04-02 16:03:19