Trace number 331513

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 2006? (exit code) 25.2912 25.3326

General information on the benchmark

Nameindustrial/vliw_sat_4.0/
9vliw_m_9stages_iq3_C1_bug3.cnf
MD5SUMdc050785d671b86f856b07b158553686
Bench CategoryINDUST (industrial instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark53.1199
Satisfiable
(Un)Satisfiability was proved
Number of variables521046
Number of clauses13376161
Sum of the clauses size39197797
Maximum clause length6689
Minimum clause length1
Number of clauses of size 11
Number of clauses of size 28713411
Number of clauses of size 34208212
Number of clauses of size 425250
Number of clauses of size 515675
Number of clauses of size over 5413612

Solver Data (download as text)

0.00/0.00	
0.00/0.00	c Computed by /tmp/evaluation/331513-1173184794/kcnfs-2006   V. 1.2
0.00/0.00	c reading file ... done
25.09/25.11	c this formula cannot been solved by kcnfs
25.09/25.11

Verifier Data (download as text)

ERROR: Unexpected answer ! (SATISFIABLE/UNSATISFIABLE expected)
Got answer:

Watcher Data (download as text)

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

command line: runsolver --timestamp -w ROOT/results/node70/watcher-331513-1173184794 -o ROOT/results/node70/solver-331513-1173184794 -C 1200 -W 2400 -M 1800 --output-limit 1,15 /tmp/evaluation/331513-1173184794/kcnfs-2006 /tmp/evaluation/331513-1173184794/instance-331513-1173184794.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: 1.07 1.07 1.02 3/64 16009
/proc/meminfo: memFree=1442600/2055920 swapFree=4192812/4192956
[pid=16009] ppid=16007 vsize=180908 CPUtime=0
/proc/16009/stat : 16009 (kcnfs-2006) R 16007 16009 14567 0 -1 4194304 125 0 0 0 0 0 0 0 18 0 1 0 44433433 185249792 110 18446744073709551615 134512640 135163436 4294956704 18446744073709551615 134933452 0 0 4096 0 0 0 0 17 1 0 0
/proc/16009/statm: 45227 111 47 158 0 45067 0

[startup+0.075573 s]
/proc/loadavg: 1.07 1.07 1.02 3/64 16009
/proc/meminfo: memFree=1442600/2055920 swapFree=4192812/4192956
[pid=16009] ppid=16007 vsize=184736 CPUtime=0.06
/proc/16009/stat : 16009 (kcnfs-2006) R 16007 16009 14567 0 -1 4194304 1078 0 0 0 6 0 0 0 18 0 1 0 44433433 189169664 1063 18446744073709551615 134512640 135163436 4294956704 18446744073709551615 134832765 0 0 4096 0 0 0 0 17 1 0 0
/proc/16009/statm: 46184 1064 47 158 0 46024 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 184736

[startup+0.102572 s]
/proc/loadavg: 1.07 1.07 1.02 3/64 16009
/proc/meminfo: memFree=1442600/2055920 swapFree=4192812/4192956
[pid=16009] ppid=16007 vsize=186188 CPUtime=0.09
/proc/16009/stat : 16009 (kcnfs-2006) R 16007 16009 14567 0 -1 4194304 1435 0 0 0 9 0 0 0 18 0 1 0 44433433 190656512 1420 18446744073709551615 134512640 135163436 4294956704 18446744073709551615 134811879 0 0 4096 0 0 0 0 17 1 0 0
/proc/16009/statm: 46547 1420 47 158 0 46387 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 186188

[startup+0.301588 s]
/proc/loadavg: 1.07 1.07 1.02 3/64 16009
/proc/meminfo: memFree=1442600/2055920 swapFree=4192812/4192956
[pid=16009] ppid=16007 vsize=196352 CPUtime=0.29
/proc/16009/stat : 16009 (kcnfs-2006) R 16007 16009 14567 0 -1 4194304 3972 0 0 0 27 2 0 0 19 0 1 0 44433433 201064448 3957 18446744073709551615 134512640 135163436 4294956704 18446744073709551615 134811879 0 0 4096 0 0 0 0 17 1 0 0
/proc/16009/statm: 49088 3958 47 158 0 48928 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 196352

[startup+0.701628 s]
/proc/loadavg: 1.07 1.07 1.02 3/64 16009
/proc/meminfo: memFree=1442600/2055920 swapFree=4192812/4192956
[pid=16009] ppid=16007 vsize=216548 CPUtime=0.69
/proc/16009/stat : 16009 (kcnfs-2006) R 16007 16009 14567 0 -1 4194304 9019 0 0 0 65 4 0 0 22 0 1 0 44433433 221745152 9004 18446744073709551615 134512640 135163436 4294956704 18446744073709551615 134811879 0 0 4096 0 0 0 0 17 1 0 0
/proc/16009/statm: 54137 9004 47 158 0 53977 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 216548

[startup+1.50171 s]
/proc/loadavg: 1.07 1.07 1.02 2/65 16010
/proc/meminfo: memFree=1392608/2055920 swapFree=4192812/4192956
[pid=16009] ppid=16007 vsize=256808 CPUtime=1.49
/proc/16009/stat : 16009 (kcnfs-2006) R 16007 16009 14567 0 -1 4194304 19088 0 0 0 139 10 0 0 25 0 1 0 44433433 262971392 19073 18446744073709551615 134512640 135163436 4294956704 18446744073709551615 134811879 0 0 4096 0 0 0 0 17 1 0 0
/proc/16009/statm: 64202 19073 47 158 0 64042 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 256808

[startup+3.10187 s]
/proc/loadavg: 1.07 1.07 1.02 2/65 16010
/proc/meminfo: memFree=1339040/2055920 swapFree=4192812/4192956
[pid=16009] ppid=16007 vsize=336932 CPUtime=3.09
/proc/16009/stat : 16009 (kcnfs-2006) R 16007 16009 14567 0 -1 4194304 39126 0 0 0 289 20 0 0 25 0 1 0 44433433 345018368 39111 18446744073709551615 134512640 135163436 4294956704 18446744073709551615 134811879 0 0 4096 0 0 0 0 17 1 0 0
/proc/16009/statm: 84233 39111 47 158 0 84073 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 336932

[startup+6.30119 s]
/proc/loadavg: 1.07 1.07 1.02 2/65 16010
/proc/meminfo: memFree=1175456/2055920 swapFree=4192812/4192956
[pid=16009] ppid=16007 vsize=494804 CPUtime=6.29
/proc/16009/stat : 16009 (kcnfs-2006) R 16007 16009 14567 0 -1 4194304 78597 0 0 0 591 38 0 0 25 0 1 0 44433433 506679296 78582 18446744073709551615 134512640 135163436 4294956704 18446744073709551615 134811879 0 0 4096 0 0 0 0 17 1 0 0
/proc/16009/statm: 123701 78582 47 158 0 123541 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 494804

[startup+12.7018 s]
/proc/loadavg: 1.06 1.07 1.02 2/65 16010
/proc/meminfo: memFree=880800/2055920 swapFree=4192812/4192956
[pid=16009] ppid=16007 vsize=770736 CPUtime=12.69
/proc/16009/stat : 16009 (kcnfs-2006) R 16007 16009 14567 0 -1 4194304 147588 0 0 0 1199 70 0 0 25 0 1 0 44433433 789233664 147573 18446744073709551615 134512640 135163436 4294956704 18446744073709551615 134811879 0 0 4096 0 0 0 0 17 1 0 0
/proc/16009/statm: 192684 147573 47 158 0 192524 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 770736

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

[startup+19.1015 s]
/proc/loadavg: 1.05 1.06 1.02 2/65 16010
/proc/meminfo: memFree=579424/2055920 swapFree=4192812/4192956
[pid=16009] ppid=16007 vsize=1071468 CPUtime=19.08
/proc/16009/stat : 16009 (kcnfs-2006) R 16007 16009 14567 0 -1 4194304 222764 0 0 0 1802 106 0 0 25 0 1 0 44433433 1097183232 222749 18446744073709551615 134512640 135163436 4294956704 18446744073709551615 134811879 0 0 4096 0 0 0 0 17 1 0 0
/proc/16009/statm: 267867 222749 47 158 0 267707 0
Current children cumulated CPU time (s) 19.08
Current children cumulated vsize (KiB) 1071468

[startup+22.3018 s]
/proc/loadavg: 1.05 1.06 1.02 2/65 16010
/proc/meminfo: memFree=408480/2055920 swapFree=4192812/4192956
[pid=16009] ppid=16007 vsize=1236864 CPUtime=22.29
/proc/16009/stat : 16009 (kcnfs-2006) R 16007 16009 14567 0 -1 4194304 264122 0 0 0 2098 131 0 0 25 0 1 0 44433433 1266548736 264107 18446744073709551615 134512640 135163436 4294956704 18446744073709551615 134811879 0 0 4096 0 0 0 0 17 1 0 0
/proc/16009/statm: 309216 264108 47 158 0 309056 0
Current children cumulated CPU time (s) 22.29
Current children cumulated vsize (KiB) 1236864

[startup+23.902 s]
/proc/loadavg: 1.05 1.06 1.02 2/65 16010
/proc/meminfo: memFree=351456/2055920 swapFree=4192812/4192956
[pid=16009] ppid=16007 vsize=1319364 CPUtime=23.88
/proc/16009/stat : 16009 (kcnfs-2006) R 16007 16009 14567 0 -1 4194304 284746 0 0 0 2249 139 0 0 25 0 1 0 44433433 1351028736 284732 18446744073709551615 134512640 135163436 4294956704 18446744073709551615 134811879 0 0 4096 0 0 0 0 17 1 0 0
/proc/16009/statm: 329841 284732 47 158 0 329681 0
Current children cumulated CPU time (s) 23.88
Current children cumulated vsize (KiB) 1319364

[startup+24.701 s]
/proc/loadavg: 1.05 1.06 1.02 2/65 16010
/proc/meminfo: memFree=294752/2055920 swapFree=4192812/4192956
[pid=16009] ppid=16007 vsize=1360680 CPUtime=24.69
/proc/16009/stat : 16009 (kcnfs-2006) R 16007 16009 14567 0 -1 4194304 295065 0 0 0 2324 145 0 0 25 0 1 0 44433433 1393336320 295050 18446744073709551615 134512640 135163436 4294956704 18446744073709551615 134811879 0 0 4096 0 0 0 0 17 1 0 0
/proc/16009/statm: 340170 295050 47 158 0 340010 0
Current children cumulated CPU time (s) 24.69
Current children cumulated vsize (KiB) 1360680

[startup+25.1011 s]
/proc/loadavg: 1.05 1.06 1.02 2/65 16010
/proc/meminfo: memFree=294752/2055920 swapFree=4192812/4192956
[pid=16009] ppid=16007 vsize=1381404 CPUtime=25.09
/proc/16009/stat : 16009 (kcnfs-2006) R 16007 16009 14567 0 -1 4194304 300257 0 0 0 2361 148 0 0 25 0 1 0 44433433 1414557696 300242 18446744073709551615 134512640 135163436 4294956704 18446744073709551615 134811879 0 0 4096 0 0 0 0 17 1 0 0
/proc/16009/statm: 345351 300242 47 158 0 345191 0
Current children cumulated CPU time (s) 25.09
Current children cumulated vsize (KiB) 1381404

[startup+25.3051 s]
/proc/loadavg: 1.05 1.06 1.02 2/65 16010
/proc/meminfo: memFree=792544/2055920 swapFree=4192812/4192956
[pid=16009] ppid=16007 vsize=0 CPUtime=25.28
/proc/16009/stat : 16009 (kcnfs-2006) D 16007 16009 14567 0 -1 4194308 300495 0 0 0 2362 166 0 0 24 0 1 0 44433433 0 0 18446744073709551615 0 0 0 0 0 0 0 4096 0 18446744072100051646 0 0 17 1 0 0
/proc/16009/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 25.28
Current children cumulated vsize (KiB) 0

Child status: 1
Real time (s): 25.3326
CPU time (s): 25.2912
CPU user time (s): 23.6274
CPU system time (s): 1.66375
CPU usage (%): 99.8363
Max. virtual memory (cumulated for all children) (KiB): 1381404

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 23.6274
system time used= 1.66375
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 300495
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= 8
involuntary context switches= 68

runsolver used 0.017997 second user time and 0.06299 second system time

The end

Launcher Data (download as text)

Begin job on node70 on Tue Mar  6 12:40:12 UTC 2007

IDJOB= 331513
IDBENCH= 20589
IDSOLVER= 113
FILE ID= node70/331513-1173184794

PBS_JOBID= 4015264

Free space on /tmp= 66249 MiB

SOLVER NAME= KCNFS 2006
BENCH NAME= HOME/pub/bench/SAT07/industrial/vliw_sat_4.0/9vliw_m_9stages_iq3_C1_bug3.cnf
COMMAND LINE= /tmp/evaluation/331513-1173184794/kcnfs-2006 /tmp/evaluation/331513-1173184794/instance-331513-1173184794.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node70/watcher-331513-1173184794 -o ROOT/results/node70/solver-331513-1173184794 -C 1200 -W 2400 -M 1800 --output-limit 1,15  /tmp/evaluation/331513-1173184794/kcnfs-2006 /tmp/evaluation/331513-1173184794/instance-331513-1173184794.cnf            

META MD5SUM SOLVER= 23f87ccf1c743ff5b6146b444e216cd3
MD5SUM BENCH=  dc050785d671b86f856b07b158553686

RANDOM SEED= 931506231

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node70.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		: 3000.234
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		: 3000.234
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:       1442880 kB
Buffers:          3220 kB
Cached:         494336 kB
SwapCached:          0 kB
Active:         420268 kB
Inactive:       130360 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1442880 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:          223724 kB
Writeback:           0 kB
Mapped:          63248 kB
Slab:            48388 kB
Committed_AS:   184932 kB
PageTables:       1500 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= 66249 MiB

End job on node70 on Tue Mar  6 12:40:37 UTC 2007