Trace number 3094972

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 0.988848 0.99077

General information on the benchmark

Namerandom/medium/
unif-k5-r21.3-v150-c3195-S1216095115-028.SATISFIABLE.cnf
MD5SUMeeb610362e04643aaf1590ad5e0ca989
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.088986
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 

0.89/0.99	c MPhaseSAT64 version 402 by Jingchao Chen,  April 1,2011
0.89/0.99	c input CNF file=HOME/instance-3094972-1301753965.cnf 
0.89/0.99	c Clause#=3195  var#=150  ratio=21 
0.89/0.99	c Simplified clause#=3195 
0.89/0.99	c XOR_varElimination deleted var#=0 clauses#=3195 
0.89/0.99	c inative var#=0 
0.89/0.99	c free var#=150  
0.89/0.99	c local search on 
0.89/0.99	c A solution found by local search 
0.89/0.99	c unfixed var#=0 var#=150 
0.89/0.99	c verified 
0.89/0.99	c 
0.89/0.99	s SATISFIABLE
0.89/0.99	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 -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 
0.89/0.99	v 0
0.89/0.99	c 
0.89/0.99	c  Running time=0.987849

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-3094972-1301753965/watcher-3094972-1301753965 -o /tmp/evaluation-result-3094972-1301753965/solver-3094972-1301753965 -C 2400 -W 1300 -M 7680 MPhaseSAT64 HOME/instance-3094972-1301753965.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: 3.90 3.95 3.91 4/189 13794
/proc/meminfo: memFree=21717408/32951124 swapFree=67111528/67111528
[pid=13794] ppid=13792 vsize=3068 CPUtime=0 cores=0,2
/proc/13794/stat : 13794 (MPhaseSAT64) R 13792 13794 12822 0 -1 4202496 327 0 0 0 0 0 0 0 25 0 1 0 286996913 3141632 267 33554432000 134512640 134761588 4290942128 18446744073709551615 4294960144 0 0 4096 1026 0 0 0 17 0 0 0 0
/proc/13794/statm: 767 268 225 61 0 70 0

[startup+0.094426 s]
/proc/loadavg: 3.90 3.95 3.91 4/189 13794
/proc/meminfo: memFree=21717408/32951124 swapFree=67111528/67111528
[pid=13794] ppid=13792 vsize=4140 CPUtime=0.09 cores=0,2
/proc/13794/stat : 13794 (MPhaseSAT64) R 13792 13794 12822 0 -1 4202496 618 0 0 0 9 0 0 0 25 0 1 0 286996913 4239360 554 33554432000 134512640 134761588 4290942128 18446744073709551615 134644534 0 0 4096 1026 0 0 0 17 0 0 0 0
/proc/13794/statm: 1035 554 259 61 0 338 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 4140

[startup+0.100428 s]
/proc/loadavg: 3.90 3.95 3.91 4/189 13794
/proc/meminfo: memFree=21717408/32951124 swapFree=67111528/67111528
[pid=13794] ppid=13792 vsize=4140 CPUtime=0.09 cores=0,2
/proc/13794/stat : 13794 (MPhaseSAT64) R 13792 13794 12822 0 -1 4202496 618 0 0 0 9 0 0 0 25 0 1 0 286996913 4239360 554 33554432000 134512640 134761588 4290942128 18446744073709551615 134644660 0 0 4096 1026 0 0 0 17 0 0 0 0
/proc/13794/statm: 1035 554 259 61 0 338 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 4140

[startup+0.300387 s]
/proc/loadavg: 3.90 3.95 3.91 4/189 13794
/proc/meminfo: memFree=21717408/32951124 swapFree=67111528/67111528
[pid=13794] ppid=13792 vsize=4396 CPUtime=0.29 cores=0,2
/proc/13794/stat : 13794 (MPhaseSAT64) R 13792 13794 12822 0 -1 4202496 716 0 0 0 29 0 0 0 25 0 1 0 286996913 4501504 652 33554432000 134512640 134761588 4290942128 18446744073709551615 134748103 0 0 4096 1026 0 0 0 17 0 0 0 0
/proc/13794/statm: 1099 652 274 61 0 402 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 4396

[startup+0.700313 s]
/proc/loadavg: 3.90 3.95 3.91 4/189 13794
/proc/meminfo: memFree=21717408/32951124 swapFree=67111528/67111528
[pid=13794] ppid=13792 vsize=5888 CPUtime=0.69 cores=0,2
/proc/13794/stat : 13794 (MPhaseSAT64) R 13792 13794 12822 0 -1 4202496 1070 0 0 0 69 0 0 0 25 0 1 0 286996913 6029312 1006 33554432000 134512640 134761588 4290942128 18446744073709551615 134747356 0 0 4096 1026 0 0 0 17 0 0 0 0
/proc/13794/statm: 1472 1006 274 61 0 775 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 5888

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

[startup+0.900277 s]
/proc/loadavg: 3.90 3.95 3.91 4/189 13794
/proc/meminfo: memFree=21717408/32951124 swapFree=67111528/67111528
[pid=13794] ppid=13792 vsize=5888 CPUtime=0.89 cores=0,2
/proc/13794/stat : 13794 (MPhaseSAT64) R 13792 13794 12822 0 -1 4202496 1073 0 0 0 89 0 0 0 25 0 1 0 286996913 6029312 1009 33554432000 134512640 134761588 4290942128 18446744073709551615 134606108 0 0 4096 1026 0 0 0 17 0 0 0 0
/proc/13794/statm: 1472 1009 277 61 0 775 0
Current children cumulated CPU time (s) 0.89
Current children cumulated vsize (KiB) 5888

Child status: 10
Real time (s): 0.99077
CPU time (s): 0.988848
CPU user time (s): 0.987849
CPU system time (s): 0.000999
CPU usage (%): 99.806
Max. virtual memory (cumulated for all children) (KiB): 5888

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.987849
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= 1082
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= 1

runsolver used 0.004999 second user time and 0.005999 second system time

The end

Launcher Data 

Begin job on node104 at 2011-04-02 16:19:25
IDJOB=3094972
IDBENCH=82854
IDSOLVER=1521
FILE ID=node104/3094972-1301753965
RUNJOBID= node104-1301748573-12840
PBS_JOBID= 12841032
Free space on /tmp= 71952 MiB

SOLVER NAME= MPhaseSAT64 2011-03-03
BENCH NAME= SAT11/random/medium/unif-k5-r21.3-v150-c3195-S1216095115-028.SATISFIABLE.cnf
COMMAND LINE= MPhaseSAT64 BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3094972-1301753965/watcher-3094972-1301753965 -o /tmp/evaluation-result-3094972-1301753965/solver-3094972-1301753965 -C 2400 -W 1300 -M 7680  MPhaseSAT64 HOME/instance-3094972-1301753965.cnf

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

MD5SUM BENCH= eeb610362e04643aaf1590ad5e0ca989
RANDOM SEED=1680023605

node104.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		: 2666.855
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	: 5333.71
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		: 2666.855
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	: 5332.83
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		: 2666.855
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	: 5332.67
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		: 2666.855
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	: 5332.80
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		: 2666.855
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	: 5293.18
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		: 2666.855
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	: 5332.83
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		: 2666.855
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		: 2666.855
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	: 5332.82
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]


/proc/meminfo:
MemTotal:     32951124 kB
MemFree:      21717564 kB
Buffers:        335964 kB
Cached:       10551980 kB
SwapCached:          0 kB
Active:        7201988 kB
Inactive:      3774352 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951124 kB
LowFree:      21717564 kB
SwapTotal:    67111528 kB
SwapFree:     67111528 kB
Dirty:             420 kB
Writeback:           0 kB
AnonPages:       88440 kB
Mapped:          16804 kB
Slab:           193380 kB
PageTables:       5156 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587088 kB
Committed_AS:   276252 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= 71952 MiB
End job on node104 at 2011-04-02 16:19:26