Trace number 3375281

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 2011-05-14 (fixed)SAT 6.91695 6.91706

General information on the benchmark

Namerandom/medium/
unif-k5-r21.3-v175-c3727-S185833400-026.SATISFIABLE.cnf
MD5SUM975fcba238403114d7315dde1e6a58bd
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.277956
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 

6.89/6.91	c MPhaseSAT64 version 514 by Jingchao Chen,  May 13,2011
6.89/6.91	c input CNF file=HOME/instance-3375281-1305450009.cnf 
6.89/6.91	c Clause#=3727  var#=175  ratio=21 
6.89/6.91	c Simplified clause#=3727 
6.89/6.91	c XOR_varElimination deleted var#=0 clauses#=3727 
6.89/6.91	c inative var#=0 
6.89/6.91	c free var#=175  
6.89/6.91	c local search on 
6.89/6.91	c A solution found by local search 
6.89/6.91	c unfixed var#=0 var#=175 
6.89/6.91	c verified 
6.89/6.91	c 
6.89/6.91	s SATISFIABLE
6.89/6.91	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 
6.89/6.91	v 0
6.89/6.91	c 
6.89/6.91	c  Running time=6.915949

Verifier Data 

OK

Watcher Data 

runsolver Copyright (C) 2010-2011 Olivier ROUSSEL

This is runsolver version 3.3.0 (svn: 961)

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-3375281-1305450009/watcher-3375281-1305450009 -o /tmp/evaluation-result-3375281-1305450009/solver-3375281-1305450009 -C 2400 -W 1300 -M 7680 MPhaseSAT64 HOME/instance-3375281-1305450009.cnf 

running on 2 cores: 1,3

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: 2.49 3.02 3.73 4/378 18484
/proc/meminfo: memFree=18209540/32951124 swapFree=45193364/67111528
[pid=18484] ppid=18482 vsize=12564 CPUtime=0.01 cores=1,3
/proc/18484/stat : 18484 (MPhaseSAT64) R 18482 18484 17657 0 -1 4202496 509 0 0 0 1 0 0 0 25 0 1 0 735231574 12865536 430 33554432000 4194304 4479436 140733867271184 18446744073709551615 4267392 0 0 4096 1026 0 0 0 17 1 0 0 0
/proc/18484/statm: 3141 430 282 70 0 261 0

[startup+0.036825 s]
/proc/loadavg: 2.49 3.02 3.73 4/378 18484
/proc/meminfo: memFree=18209540/32951124 swapFree=45193364/67111528
[pid=18484] ppid=18482 vsize=12564 CPUtime=0.03 cores=1,3
/proc/18484/stat : 18484 (MPhaseSAT64) R 18482 18484 17657 0 -1 4202496 509 0 0 0 3 0 0 0 25 0 1 0 735231574 12865536 430 33554432000 4194304 4479436 140733867271184 18446744073709551615 4267376 0 0 4096 1026 0 0 0 17 1 0 0 0
/proc/18484/statm: 3141 430 282 70 0 261 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 12564

[startup+0.10081 s]
/proc/loadavg: 2.49 3.02 3.73 4/378 18484
/proc/meminfo: memFree=18209540/32951124 swapFree=45193364/67111528
[pid=18484] ppid=18482 vsize=12764 CPUtime=0.09 cores=1,3
/proc/18484/stat : 18484 (MPhaseSAT64) R 18482 18484 17657 0 -1 4202496 659 0 0 0 9 0 0 0 25 0 1 0 735231574 13070336 580 33554432000 4194304 4479436 140733867271184 18446744073709551615 4315286 0 0 4096 1026 0 0 0 17 1 0 0 0
/proc/18484/statm: 3191 580 308 70 0 311 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 12764

[startup+0.300777 s]
/proc/loadavg: 2.49 3.02 3.73 4/378 18484
/proc/meminfo: memFree=18209540/32951124 swapFree=45193364/67111528
[pid=18484] ppid=18482 vsize=13504 CPUtime=0.29 cores=1,3
/proc/18484/stat : 18484 (MPhaseSAT64) R 18482 18484 17657 0 -1 4202496 894 0 0 0 29 0 0 0 25 0 1 0 735231574 13828096 751 33554432000 4194304 4479436 140733867271184 18446744073709551615 4451872 0 0 4096 1026 0 0 0 17 1 0 0 0
/proc/18484/statm: 3376 751 325 70 0 496 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 13504

[startup+0.700713 s]
/proc/loadavg: 2.49 3.02 3.73 4/378 18484
/proc/meminfo: memFree=18209540/32951124 swapFree=45193364/67111528
[pid=18484] ppid=18482 vsize=14532 CPUtime=0.69 cores=1,3
/proc/18484/stat : 18484 (MPhaseSAT64) R 18482 18484 17657 0 -1 4202496 1186 0 0 0 69 0 0 0 25 0 1 0 735231574 14880768 1043 33554432000 4194304 4479436 140733867271184 18446744073709551615 4295902 0 0 4096 1026 0 0 0 17 1 0 0 0
/proc/18484/statm: 3633 1043 328 70 0 753 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 14532

[startup+1.50058 s]
/proc/loadavg: 2.49 3.02 3.73 5/379 18485
/proc/meminfo: memFree=18205836/32951124 swapFree=45193364/67111528
[pid=18484] ppid=18482 vsize=14532 CPUtime=1.49 cores=1,3
/proc/18484/stat : 18484 (MPhaseSAT64) R 18482 18484 17657 0 -1 4202496 1186 0 0 0 149 0 0 0 25 0 1 0 735231574 14880768 1043 33554432000 4194304 4479436 140733867271184 18446744073709551615 4295856 0 0 4096 1026 0 0 0 17 1 0 0 0
/proc/18484/statm: 3633 1043 328 70 0 753 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 14532

[startup+3.10031 s]
/proc/loadavg: 2.49 3.02 3.73 5/379 18485
/proc/meminfo: memFree=18205100/32951124 swapFree=45193364/67111528
[pid=18484] ppid=18482 vsize=14532 CPUtime=3.09 cores=1,3
/proc/18484/stat : 18484 (MPhaseSAT64) R 18482 18484 17657 0 -1 4202496 1186 0 0 0 309 0 0 0 25 0 1 0 735231574 14880768 1043 33554432000 4194304 4479436 140733867271184 18446744073709551615 4294632 0 0 4096 1026 0 0 0 17 1 0 0 0
/proc/18484/statm: 3633 1043 328 70 0 753 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 14532

[startup+6.30078 s]
/proc/loadavg: 2.61 3.03 3.74 5/379 18485
/proc/meminfo: memFree=18204708/32951124 swapFree=45193364/67111528
[pid=18484] ppid=18482 vsize=14532 CPUtime=6.29 cores=1,3
/proc/18484/stat : 18484 (MPhaseSAT64) R 18482 18484 17657 0 -1 4202496 1186 0 0 0 629 0 0 0 25 0 1 0 735231574 14880768 1043 33554432000 4194304 4479436 140733867271184 18446744073709551615 4295485 0 0 4096 1026 0 0 0 17 1 0 0 0
/proc/18484/statm: 3633 1043 328 70 0 753 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 14532

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

[startup+6.70071 s]
/proc/loadavg: 2.61 3.03 3.74 5/379 18485
/proc/meminfo: memFree=18204212/32951124 swapFree=45193364/67111528
[pid=18484] ppid=18482 vsize=14532 CPUtime=6.69 cores=1,3
/proc/18484/stat : 18484 (MPhaseSAT64) R 18482 18484 17657 0 -1 4202496 1186 0 0 0 669 0 0 0 25 0 1 0 735231574 14880768 1043 33554432000 4194304 4479436 140733867271184 18446744073709551615 4295856 0 0 4096 1026 0 0 0 17 1 0 0 0
/proc/18484/statm: 3633 1043 328 70 0 753 0
Current children cumulated CPU time (s) 6.69
Current children cumulated vsize (KiB) 14532

[startup+6.90068 s]
/proc/loadavg: 2.61 3.03 3.74 5/379 18485
/proc/meminfo: memFree=18204212/32951124 swapFree=45193364/67111528
[pid=18484] ppid=18482 vsize=14532 CPUtime=6.89 cores=1,3
/proc/18484/stat : 18484 (MPhaseSAT64) R 18482 18484 17657 0 -1 4202496 1186 0 0 0 689 0 0 0 25 0 1 0 735231574 14880768 1043 33554432000 4194304 4479436 140733867271184 18446744073709551615 4295282 0 0 4096 1026 0 0 0 17 1 0 0 0
/proc/18484/statm: 3633 1043 328 70 0 753 0
Current children cumulated CPU time (s) 6.89
Current children cumulated vsize (KiB) 14532

Child status: 10
Real time (s): 6.91706
CPU time (s): 6.91695
CPU user time (s): 6.91295
CPU system time (s): 0.003999
CPU usage (%): 99.9985
Max. virtual memory (cumulated for all children) (KiB): 14532

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 6.91295
system time used= 0.003999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1194
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= 4
involuntary context switches= 18

runsolver used 0.031995 second user time and 0.053991 second system time

The end

Launcher Data 

Begin job on node118 at 2011-05-15 11:00:09
IDJOB=3375281
IDBENCH=82990
IDSOLVER=1855
FILE ID=node118/3375281-1305450009
RUNJOBID= node118-1305449986-18201
PBS_JOBID= 13324868
Free space on /tmp= 73328 MiB

SOLVER NAME= MPhaseSAT64 2011-05-14 (fixed)
BENCH NAME= SAT11/random/medium/unif-k5-r21.3-v175-c3727-S185833400-026.SATISFIABLE.cnf
COMMAND LINE= MPhaseSAT64 BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3375281-1305450009/watcher-3375281-1305450009 -o /tmp/evaluation-result-3375281-1305450009/solver-3375281-1305450009 -C 2400 -W 1300 -M 7680  MPhaseSAT64 HOME/instance-3375281-1305450009.cnf

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

MD5SUM BENCH= 975fcba238403114d7315dde1e6a58bd
RANDOM SEED=1861971276

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:      18209696 kB
Buffers:        289028 kB
Cached:        4436980 kB
SwapCached:      22084 kB
Active:       11807264 kB
Inactive:      2630288 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951124 kB
LowFree:      18209696 kB
SwapTotal:    67111528 kB
SwapFree:     45193364 kB
Dirty:            1840 kB
Writeback:           0 kB
AnonPages:     9702580 kB
Mapped:          16268 kB
Slab:           148140 kB
PageTables:      90264 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587088 kB
Committed_AS: 88707676 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= 73328 MiB
End job on node118 at 2011-05-15 11:00:16