Trace number 3220166

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 1.17082 1.17186

General information on the benchmark

Namerandom/medium/
unif-k5-r21.3-v175-c3727-S1110880865-004.SATISFIABLE.cnf
MD5SUMdee9409d3106901eba323258572940c9
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.021996
Satisfiable
(Un)Satisfiability was proved
Number of variables175
Number of clauses3727
Sum of the clauses size18635
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 53727
Number of clauses of size over 50

Solver Data 

1.10/1.17	c MPhaseSAT_M version 401 suited for random catagory by Jingchao Chen,  April 1,2011 
1.10/1.17	c input CNF file=HOME/instance-3220166-1303275604.cnf 
1.10/1.17	c Clause#=3727  var#=175  ratio=21 
1.10/1.17	c Simplified clause#=3727 
1.10/1.17	c XOR_varElimination deleted var#=0 clauses#=3727 
1.10/1.17	c inative var#=0 
1.10/1.17	c free var#=175  
1.10/1.17	c local search on 
1.10/1.17	c A solution found by local search 
1.10/1.17	c unfixed var#=0 var#=175 
1.10/1.17	c verified 
1.10/1.17	c 
1.10/1.17	s SATISFIABLE
1.10/1.17	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 -150 151 152 -153 154 155 156 -157 158 -159 -160 161 -162 -163 164 -165 -166 -167 -168 169 -170 -171 172 -173 -174 -175 
1.10/1.17	v 0
1.10/1.17	c 
1.10/1.17	c  Running time=1.168823

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-3220166-1303275604/watcher-3220166-1303275604 -o /tmp/evaluation-result-3220166-1303275604/solver-3220166-1303275604 -C 5000 -W 5000 -M 15500 MPhaseSAT_M HOME/instance-3220166-1303275604.cnf 

running on 4 cores: 0,2,4,6

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 5000 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 5030 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 5000 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 15872000 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 15923200 KiB
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 2.00 2.00 2.00 3/177 12415
/proc/meminfo: memFree=15496732/32951124 swapFree=67111528/67111528
[pid=12415] ppid=12413 vsize=3140 CPUtime=0 cores=0,2,4,6
/proc/12415/stat : 12415 (MPhaseSAT_M) R 12413 12415 11264 0 -1 4202496 329 0 0 0 0 0 0 0 20 0 1 0 419976685 3215360 270 33554432000 134512640 134829744 4291890688 18446744073709551615 4294960144 0 0 4096 1026 0 0 0 17 2 0 0 0
/proc/12415/statm: 785 270 225 78 0 71 0

[startup+0.060805 s]
/proc/loadavg: 2.00 2.00 2.00 3/177 12415
/proc/meminfo: memFree=15496732/32951124 swapFree=67111528/67111528
[pid=12415] ppid=12413 vsize=3588 CPUtime=0.05 cores=0,2,4,6
/proc/12415/stat : 12415 (MPhaseSAT_M) R 12413 12415 11264 0 -1 4202496 418 0 0 0 5 0 0 0 20 0 1 0 419976685 3674112 357 33554432000 134512640 134829744 4291890688 18446744073709551615 134580615 0 0 4096 1026 0 0 0 17 2 0 0 0
/proc/12415/statm: 897 357 238 78 0 183 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 3588

[startup+0.100792 s]
/proc/loadavg: 2.00 2.00 2.00 3/177 12415
/proc/meminfo: memFree=15496732/32951124 swapFree=67111528/67111528
[pid=12415] ppid=12413 vsize=3676 CPUtime=0.09 cores=0,2,4,6
/proc/12415/stat : 12415 (MPhaseSAT_M) R 12413 12415 11264 0 -1 4202496 518 0 0 0 9 0 0 0 20 0 1 0 419976685 3764224 456 33554432000 134512640 134829744 4291890688 18446744073709551615 134667872 0 0 4096 1026 0 0 0 17 2 0 0 0
/proc/12415/statm: 919 456 263 78 0 205 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 3676

[startup+0.300752 s]
/proc/loadavg: 2.00 2.00 2.00 3/177 12415
/proc/meminfo: memFree=15496732/32951124 swapFree=67111528/67111528
[pid=12415] ppid=12413 vsize=4204 CPUtime=0.29 cores=0,2,4,6
/proc/12415/stat : 12415 (MPhaseSAT_M) R 12413 12415 11264 0 -1 4202496 645 0 0 0 29 0 0 0 21 0 1 0 419976685 4304896 583 33554432000 134512640 134829744 4291890688 18446744073709551615 134661453 0 0 4096 1026 0 0 0 17 2 0 0 0
/proc/12415/statm: 1051 583 270 78 0 337 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 4204

[startup+0.700694 s]
/proc/loadavg: 2.00 2.00 2.00 3/177 12415
/proc/meminfo: memFree=15496732/32951124 swapFree=67111528/67111528
[pid=12415] ppid=12413 vsize=4468 CPUtime=0.69 cores=0,2,4,6
/proc/12415/stat : 12415 (MPhaseSAT_M) R 12413 12415 11264 0 -1 4202496 715 0 0 0 69 0 0 0 22 0 1 0 419976685 4575232 653 33554432000 134512640 134829744 4291890688 18446744073709551615 134678515 0 0 4096 1026 0 0 0 17 2 0 0 0
/proc/12415/statm: 1117 653 270 78 0 403 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 4468

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

[startup+1.10662 s]
/proc/loadavg: 2.00 2.00 2.00 3/178 12416
/proc/meminfo: memFree=15494376/32951124 swapFree=67111528/67111528
[pid=12415] ppid=12413 vsize=4864 CPUtime=1.1 cores=0,2,4,6
/proc/12415/stat : 12415 (MPhaseSAT_M) R 12413 12415 11264 0 -1 4202496 821 0 0 0 110 0 0 0 24 0 1 0 419976685 4980736 759 33554432000 134512640 134829744 4291890688 18446744073709551615 134605753 0 0 4096 1026 0 0 0 17 2 0 0 0
/proc/12415/statm: 1216 759 273 78 0 502 0
Current children cumulated CPU time (s) 1.1
Current children cumulated vsize (KiB) 4864

Child status: 10
Real time (s): 1.17186
CPU time (s): 1.17082
CPU user time (s): 1.16782
CPU system time (s): 0.002999
CPU usage (%): 99.9116
Max. virtual memory (cumulated for all children) (KiB): 4864

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.16782
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= 830
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= 12
involuntary context switches= 2

runsolver used 0.002999 second user time and 0.008998 second system time

The end

Launcher Data 

Begin job on node146 at 2011-04-20 07:00:04
IDJOB=3220166
IDBENCH=82711
IDSOLVER=1637
FILE ID=node146/3220166-1303275604
RUNJOBID= node146-1303260579-11282
PBS_JOBID= 13049521
Free space on /tmp= 72836 MiB

SOLVER NAME= MPhaseSAT_M 2011-02-16
BENCH NAME= SAT11/random/medium/unif-k5-r21.3-v175-c3727-S1110880865-004.SATISFIABLE.cnf
COMMAND LINE= MPhaseSAT_M BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3220166-1303275604/watcher-3220166-1303275604 -o /tmp/evaluation-result-3220166-1303275604/solver-3220166-1303275604 -C 5000 -W 5000 -M 15500  MPhaseSAT_M HOME/instance-3220166-1303275604.cnf

TIME LIMIT= 5000 seconds
MEMORY LIMIT= 15500 MiB
NBCORE= 4

MD5SUM BENCH= dee9409d3106901eba323258572940c9
RANDOM SEED=830423076

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:      15496772 kB
Buffers:        703200 kB
Cached:       16075112 kB
SwapCached:          0 kB
Active:        8217196 kB
Inactive:      8891144 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951124 kB
LowFree:      15496772 kB
SwapTotal:    67111528 kB
SwapFree:     67111528 kB
Dirty:             424 kB
Writeback:           0 kB
AnonPages:      329892 kB
Mapped:          16216 kB
Slab:           282368 kB
PageTables:       5216 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587088 kB
Committed_AS:   477004 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= 72836 MiB
End job on node146 at 2011-04-20 07:00:05