Trace number 316068

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, and are wall clock time (not CPU 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
KCNFS 2006UNSAT 86.6138 86.6388

General information on the benchmark

Namecrafted/spence/
medium/s77-100.cnf
MD5SUM124e32713f66a3b30ead344822177706
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark15.9906
Satisfiable
(Un)Satisfiability was proved
Number of variables77
Number of clauses164
Sum of the clauses size492
Maximum clause length3
Minimum clause length3
Number of clauses of size 10
Number of clauses of size 20
Number of clauses of size 3164
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data (download as text)

0.00/0.00	
0.00/0.00	c Computed by /tmp/evaluation/316068-1172663867/kcnfs-2006   V. 1.2
0.00/0.00	c reading file ... done
0.00/0.00	c Input file : '/tmp/evaluation/316068-1172663867/instance-316068-1172663867.cnf'
0.00/0.00	c [#vars: 77, #clauses: 164 -> 164 clauses (pre-processing), 3-CNF]
0.00/0.00	c unit clauses propagate before processing (#clause: 164)
86.57/86.63	c BSH-propagate until depth 1 (fix point: 6 updates) 
86.57/86.63	s UNSATISFIABLE
86.57/86.63	c Computation time     : 86.620 seconds
86.57/86.63	c Execution time       : 86.620 seconds
86.57/86.63	c Size of search tree  : 1773651 nodes
86.57/86.63	c average speed        : 20476.230 nodes/sec.
86.57/86.63

Verifier Data (download as text)

No possible verification on an UNSAT instance

Watcher Data (download as text)

runsolver version 3.2.1 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node5/watcher-316068-1172663867 -o ROOT/results/node5/solver-316068-1172663867 -C 1200 -W 2400 -M 1800 --output-limit 1,15 /tmp/evaluation/316068-1172663867/kcnfs-2006 /tmp/evaluation/316068-1172663867/instance-316068-1172663867.cnf 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1200 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1230 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 2400 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 1843200 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 1894400 KiB
Solver output will be limited to a maximum of 15728640 bytes. The first 1048576 bytes and the last 14680064 bytes will be preserved
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 0.91 0.97 0.99 3/77 31579
/proc/meminfo: memFree=771808/2055920 swapFree=4192812/4192956
[pid=31579] ppid=31577 vsize=182176 CPUtime=0
/proc/31579/stat : 31579 (kcnfs-2006) R 31577 31579 30064 0 -1 4194304 152 0 0 0 0 0 0 0 18 0 1 0 286341521 186548224 136 18446744073709551615 134512640 135163436 4294956624 18446744073709551615 134632242 0 0 4096 0 0 0 0 17 1 0 0
/proc/31579/statm: 45544 136 71 158 0 45384 0

[startup+0.028261 s]
/proc/loadavg: 0.91 0.97 0.99 3/77 31579
/proc/meminfo: memFree=771808/2055920 swapFree=4192812/4192956
[pid=31579] ppid=31577 vsize=182176 CPUtime=0.02
/proc/31579/stat : 31579 (kcnfs-2006) R 31577 31579 30064 0 -1 4194304 153 0 0 0 2 0 0 0 18 0 1 0 286341521 186548224 137 18446744073709551615 134512640 135163436 4294956624 18446744073709551615 134559287 0 0 4096 0 0 0 0 17 1 0 0
/proc/31579/statm: 45544 137 72 158 0 45384 0
Current children cumulated CPU time (s) 0.02
Current children cumulated vsize (KiB) 182176

[startup+0.101269 s]
/proc/loadavg: 0.91 0.97 0.99 3/77 31579
/proc/meminfo: memFree=771808/2055920 swapFree=4192812/4192956
[pid=31579] ppid=31577 vsize=182176 CPUtime=0.09
/proc/31579/stat : 31579 (kcnfs-2006) R 31577 31579 30064 0 -1 4194304 153 0 0 0 9 0 0 0 18 0 1 0 286341521 186548224 137 18446744073709551615 134512640 135163436 4294956624 18446744073709551615 134564083 0 0 4096 0 0 0 0 17 1 0 0
/proc/31579/statm: 45544 137 72 158 0 45384 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 182176

[startup+0.301291 s]
/proc/loadavg: 0.91 0.97 0.99 3/77 31579
/proc/meminfo: memFree=771808/2055920 swapFree=4192812/4192956
[pid=31579] ppid=31577 vsize=182176 CPUtime=0.29
/proc/31579/stat : 31579 (kcnfs-2006) R 31577 31579 30064 0 -1 4194304 153 0 0 0 29 0 0 0 19 0 1 0 286341521 186548224 137 18446744073709551615 134512640 135163436 4294956624 18446744073709551615 134675562 0 0 4096 0 0 0 0 17 1 0 0
/proc/31579/statm: 45544 137 72 158 0 45384 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 182176

[startup+0.701336 s]
/proc/loadavg: 0.91 0.97 0.99 3/77 31579
/proc/meminfo: memFree=771808/2055920 swapFree=4192812/4192956
[pid=31579] ppid=31577 vsize=182176 CPUtime=0.69
/proc/31579/stat : 31579 (kcnfs-2006) R 31577 31579 30064 0 -1 4194304 153 0 0 0 69 0 0 0 23 0 1 0 286341521 186548224 137 18446744073709551615 134512640 135163436 4294956624 18446744073709551615 134675188 0 0 4096 0 0 0 0 17 1 0 0
/proc/31579/statm: 45544 137 72 158 0 45384 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 182176

[startup+1.50143 s]
/proc/loadavg: 0.91 0.97 0.99 2/78 31580
/proc/meminfo: memFree=771416/2055920 swapFree=4192812/4192956
[pid=31579] ppid=31577 vsize=182176 CPUtime=1.49
/proc/31579/stat : 31579 (kcnfs-2006) R 31577 31579 30064 0 -1 4194304 153 0 0 0 149 0 0 0 25 0 1 0 286341521 186548224 137 18446744073709551615 134512640 135163436 4294956624 18446744073709551615 134675570 0 0 4096 0 0 0 0 17 1 0 0
/proc/31579/statm: 45544 137 72 158 0 45384 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 182176

[startup+3.10261 s]
/proc/loadavg: 0.91 0.97 0.99 2/78 31580
/proc/meminfo: memFree=771224/2055920 swapFree=4192812/4192956
[pid=31579] ppid=31577 vsize=182176 CPUtime=3.1
/proc/31579/stat : 31579 (kcnfs-2006) R 31577 31579 30064 0 -1 4194304 155 0 0 0 310 0 0 0 25 0 1 0 286341521 186548224 139 18446744073709551615 134512640 135163436 4294956624 18446744073709551615 134564711 0 0 4096 0 0 0 0 17 1 0 0
/proc/31579/statm: 45544 139 73 158 0 45384 0
Current children cumulated CPU time (s) 3.1
Current children cumulated vsize (KiB) 182176

[startup+6.30197 s]
/proc/loadavg: 0.92 0.97 0.99 2/78 31580
/proc/meminfo: memFree=771096/2055920 swapFree=4192812/4192956
[pid=31579] ppid=31577 vsize=182176 CPUtime=6.29
/proc/31579/stat : 31579 (kcnfs-2006) R 31577 31579 30064 0 -1 4194304 155 0 0 0 629 0 0 0 25 0 1 0 286341521 186548224 139 18446744073709551615 134512640 135163436 4294956624 18446744073709551615 134564227 0 0 4096 0 0 0 0 17 1 0 0
/proc/31579/statm: 45544 139 73 158 0 45384 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 182176

[startup+12.7017 s]
/proc/loadavg: 0.93 0.97 0.99 2/78 31580
/proc/meminfo: memFree=771032/2055920 swapFree=4192812/4192956
[pid=31579] ppid=31577 vsize=182176 CPUtime=12.69
/proc/31579/stat : 31579 (kcnfs-2006) R 31577 31579 30064 0 -1 4194304 155 0 0 0 1269 0 0 0 25 0 1 0 286341521 186548224 139 18446744073709551615 134512640 135163436 4294956624 18446744073709551615 134675334 0 0 4096 0 0 0 0 17 1 0 0
/proc/31579/statm: 45544 139 73 158 0 45384 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 182176

[startup+25.5011 s]
/proc/loadavg: 0.94 0.97 0.99 2/78 31580
/proc/meminfo: memFree=771032/2055920 swapFree=4192812/4192956
[pid=31579] ppid=31577 vsize=182176 CPUtime=25.49
/proc/31579/stat : 31579 (kcnfs-2006) R 31577 31579 30064 0 -1 4194304 155 0 0 0 2549 0 0 0 25 0 1 0 286341521 186548224 139 18446744073709551615 134512640 135163436 4294956624 18446744073709551615 134632265 0 0 4096 0 0 0 0 17 1 0 0
/proc/31579/statm: 45544 139 73 158 0 45384 0
Current children cumulated CPU time (s) 25.49
Current children cumulated vsize (KiB) 182176

[startup+51.101 s]
/proc/loadavg: 0.96 0.97 0.99 2/78 31580
/proc/meminfo: memFree=771096/2055920 swapFree=4192812/4192956
[pid=31579] ppid=31577 vsize=182176 CPUtime=51.08
/proc/31579/stat : 31579 (kcnfs-2006) R 31577 31579 30064 0 -1 4194304 155 0 0 0 5108 0 0 0 25 0 1 0 286341521 186548224 139 18446744073709551615 134512640 135163436 4294956624 18446744073709551615 134625545 0 0 4096 0 0 0 0 17 1 0 0
/proc/31579/statm: 45544 139 73 158 0 45384 0
Current children cumulated CPU time (s) 51.08
Current children cumulated vsize (KiB) 182176

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

[startup+63.9015 s]
/proc/loadavg: 0.97 0.97 0.99 2/78 31580
/proc/meminfo: memFree=771096/2055920 swapFree=4192812/4192956
[pid=31579] ppid=31577 vsize=182176 CPUtime=63.88
/proc/31579/stat : 31579 (kcnfs-2006) R 31577 31579 30064 0 -1 4194304 155 0 0 0 6388 0 0 0 25 0 1 0 286341521 186548224 139 18446744073709551615 134512640 135163436 4294956624 18446744073709551615 134559458 0 0 4096 0 0 0 0 17 1 0 0
/proc/31579/statm: 45544 139 73 158 0 45384 0
Current children cumulated CPU time (s) 63.88
Current children cumulated vsize (KiB) 182176

[startup+76.7019 s]
/proc/loadavg: 0.97 0.97 0.99 2/78 31580
/proc/meminfo: memFree=771160/2055920 swapFree=4192812/4192956
[pid=31579] ppid=31577 vsize=182176 CPUtime=76.67
/proc/31579/stat : 31579 (kcnfs-2006) R 31577 31579 30064 0 -1 4194304 155 0 0 0 7667 0 0 0 25 0 1 0 286341521 186548224 139 18446744073709551615 134512640 135163436 4294956624 18446744073709551615 134564230 0 0 4096 0 0 0 0 17 1 0 0
/proc/31579/statm: 45544 139 73 158 0 45384 0
Current children cumulated CPU time (s) 76.67
Current children cumulated vsize (KiB) 182176

[startup+83.1017 s]
/proc/loadavg: 0.98 0.97 0.99 2/78 31580
/proc/meminfo: memFree=771160/2055920 swapFree=4192812/4192956
[pid=31579] ppid=31577 vsize=182176 CPUtime=83.07
/proc/31579/stat : 31579 (kcnfs-2006) R 31577 31579 30064 0 -1 4194304 155 0 0 0 8307 0 0 0 25 0 1 0 286341521 186548224 139 18446744073709551615 134512640 135163436 4294956624 18446744073709551615 134632163 0 0 4096 0 0 0 0 17 1 0 0
/proc/31579/statm: 45544 139 73 158 0 45384 0
Current children cumulated CPU time (s) 83.07
Current children cumulated vsize (KiB) 182176

[startup+84.7058 s]
/proc/loadavg: 0.98 0.97 0.99 2/78 31580
/proc/meminfo: memFree=771160/2055920 swapFree=4192812/4192956
[pid=31579] ppid=31577 vsize=182176 CPUtime=84.68
/proc/31579/stat : 31579 (kcnfs-2006) R 31577 31579 30064 0 -1 4194304 155 0 0 0 8468 0 0 0 25 0 1 0 286341521 186548224 139 18446744073709551615 134512640 135163436 4294956624 18446744073709551615 134632195 0 0 4096 0 0 0 0 17 1 0 0
/proc/31579/statm: 45544 139 73 158 0 45384 0
Current children cumulated CPU time (s) 84.68
Current children cumulated vsize (KiB) 182176

[startup+85.5019 s]
/proc/loadavg: 0.98 0.97 0.99 2/78 31580
/proc/meminfo: memFree=771160/2055920 swapFree=4192812/4192956
[pid=31579] ppid=31577 vsize=182176 CPUtime=85.47
/proc/31579/stat : 31579 (kcnfs-2006) R 31577 31579 30064 0 -1 4194304 155 0 0 0 8547 0 0 0 25 0 1 0 286341521 186548224 139 18446744073709551615 134512640 135163436 4294956624 18446744073709551615 134564748 0 0 4096 0 0 0 0 17 1 0 0
/proc/31579/statm: 45544 139 73 158 0 45384 0
Current children cumulated CPU time (s) 85.47
Current children cumulated vsize (KiB) 182176

[startup+86.301 s]
/proc/loadavg: 0.98 0.97 0.99 2/78 31580
/proc/meminfo: memFree=771160/2055920 swapFree=4192812/4192956
[pid=31579] ppid=31577 vsize=182176 CPUtime=86.27
/proc/31579/stat : 31579 (kcnfs-2006) R 31577 31579 30064 0 -1 4194304 155 0 0 0 8627 0 0 0 25 0 1 0 286341521 186548224 139 18446744073709551615 134512640 135163436 4294956624 18446744073709551615 134559386 0 0 4096 0 0 0 0 17 1 0 0
/proc/31579/statm: 45544 139 73 158 0 45384 0
Current children cumulated CPU time (s) 86.27
Current children cumulated vsize (KiB) 182176

[startup+86.5011 s]
/proc/loadavg: 0.98 0.97 0.99 2/78 31580
/proc/meminfo: memFree=771160/2055920 swapFree=4192812/4192956
[pid=31579] ppid=31577 vsize=182176 CPUtime=86.47
/proc/31579/stat : 31579 (kcnfs-2006) R 31577 31579 30064 0 -1 4194304 155 0 0 0 8647 0 0 0 25 0 1 0 286341521 186548224 139 18446744073709551615 134512640 135163436 4294956624 18446744073709551615 134675334 0 0 4096 0 0 0 0 17 1 0 0
/proc/31579/statm: 45544 139 73 158 0 45384 0
Current children cumulated CPU time (s) 86.47
Current children cumulated vsize (KiB) 182176

[startup+86.6011 s]
/proc/loadavg: 0.98 0.97 0.99 2/78 31580
/proc/meminfo: memFree=771160/2055920 swapFree=4192812/4192956
[pid=31579] ppid=31577 vsize=182176 CPUtime=86.57
/proc/31579/stat : 31579 (kcnfs-2006) R 31577 31579 30064 0 -1 4194304 155 0 0 0 8657 0 0 0 25 0 1 0 286341521 186548224 139 18446744073709551615 134512640 135163436 4294956624 18446744073709551615 134581516 0 0 4096 0 0 0 0 17 1 0 0
/proc/31579/statm: 45544 139 73 158 0 45384 0
Current children cumulated CPU time (s) 86.57
Current children cumulated vsize (KiB) 182176

Child status: 20
Real time (s): 86.6388
CPU time (s): 86.6138
CPU user time (s): 86.6118
CPU system time (s): 0.001999
CPU usage (%): 99.9712
Max. virtual memory (cumulated for all children) (KiB): 182176

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 86.6118
system time used= 0.001999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 165
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= 7
involuntary context switches= 1798

runsolver used 0.105983 second user time and 0.203968 second system time

The end

Launcher Data (download as text)

Begin job on node5 on Wed Feb 28 11:57:47 UTC 2007

IDJOB= 316068
IDBENCH= 20432
IDSOLVER= 113
FILE ID= node5/316068-1172663867

PBS_JOBID= 3980947

Free space on /tmp= 66529 MiB

SOLVER NAME= KCNFS 2006
BENCH NAME= HOME/pub/bench/SAT07/crafted/spence/medium/s77-100.cnf
COMMAND LINE= /tmp/evaluation/316068-1172663867/kcnfs-2006 /tmp/evaluation/316068-1172663867/instance-316068-1172663867.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node5/watcher-316068-1172663867 -o ROOT/results/node5/solver-316068-1172663867 -C 1200 -W 2400 -M 1800 --output-limit 1,15  /tmp/evaluation/316068-1172663867/kcnfs-2006 /tmp/evaluation/316068-1172663867/instance-316068-1172663867.cnf            

META MD5SUM SOLVER= 23f87ccf1c743ff5b6146b444e216cd3
MD5SUM BENCH=  124e32713f66a3b30ead344822177706

RANDOM SEED= 380185961

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node5.alineos.net 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005 x86_64 x86_64 x86_64 GNU/Linux

/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 15
model		: 4
model name	:                   Intel(R) Xeon(TM) CPU 3.00GHz
stepping	: 3
cpu MHz		: 3000.224
cache size	: 2048 KB
fpu		: yes
fpu_exception	: yes
cpuid level	: 5
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 lm pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5914.62
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 15
model		: 4
model name	:                   Intel(R) Xeon(TM) CPU 3.00GHz
stepping	: 3
cpu MHz		: 3000.224
cache size	: 2048 KB
fpu		: yes
fpu_exception	: yes
cpuid level	: 5
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 lm pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5586.94
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055920 kB
MemFree:        772152 kB
Buffers:         56568 kB
Cached:        1100044 kB
SwapCached:          0 kB
Active:         482036 kB
Inactive:       725864 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:        772152 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            3168 kB
Writeback:           0 kB
Mapped:          70184 kB
Slab:            61368 kB
Committed_AS:   979392 kB
PageTables:       1708 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264952 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66529 MiB

End job on node5 on Wed Feb 28 11:59:14 UTC 2007