Trace number 1725660

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
kw 2009-03-20SAT 6.39803 6.40028

General information on the benchmark

Namecrafted/Medium/contest05/others/
QG7a-gensys-ukn001.sat05-3841.reshuffled-07.cnf
MD5SUM74af041eb51b172e799baf4bb7eaa52f
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark1.38479
Satisfiable
(Un)Satisfiability was proved
Number of variables2737
Number of clauses18375
Sum of the clauses size129048
Maximum clause length13
Minimum clause length1
Number of clauses of size 149
Number of clauses of size 2491
Number of clauses of size 32419
Number of clauses of size 4526
Number of clauses of size 5691
Number of clauses of size over 514199

Solver Data

0.00/0.00	c kw (KillerWhale) version 0.6
0.00/0.00	c Copyright 2007-2009 Johan Alfredsson, Oepir
0.00/0.00	c johan@oepir.com
6.29/6.39	c 6.23 seconds
6.29/6.39	s SATISFIABLE
6.29/6.39	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 -176 177 178 -179 180 181 -182 -183 184 185 186 187 188 -189 190 -191 192 193 194 195 196 197 198 199 -200 -201 -202 203 204 205 206 207 -208 209 -210 -211 -212 213 214 -215 216 -217 -218 -219 -220 221 222 -223 -224 225 -226 -227 -228 -229 -230 -231 -232 233 -234 235 -236 -237 -238 239 -240 241 -242 243 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2734 -2735 2736 2737 
6.29/6.39	v 0

Verifier Data

OK

Watcher Data

runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1725660-1240706004/watcher-1725660-1240706004 -o /tmp/evaluation-result-1725660-1240706004/solver-1725660-1240706004 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/kw HOME/instance-1725660-1240706004.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): 1800 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: 1.01 1.31 1.29 3/64 22941
/proc/meminfo: memFree=1855296/2055920 swapFree=4180724/4192956
[pid=22941] ppid=22939 vsize=4312 CPUtime=0
/proc/22941/stat : 22941 (kw) R 22939 22941 22846 0 -1 0 665 0 0 0 0 0 0 0 18 0 1 0 98633958 4415488 649 1992294400 4194304 6412682 548682068864 18446744073709551615 5119233 0 0 4096 0 0 0 0 17 1 0 0
/proc/22941/statm: 1078 650 219 541 0 528 0

[startup+0.083715 s]
/proc/loadavg: 1.01 1.31 1.29 3/64 22941
/proc/meminfo: memFree=1855296/2055920 swapFree=4180724/4192956
[pid=22941] ppid=22939 vsize=4972 CPUtime=0.08
/proc/22941/stat : 22941 (kw) R 22939 22941 22846 0 -1 0 867 0 0 0 8 0 0 0 18 0 1 0 98633958 5091328 851 1992294400 4194304 6412682 548682068864 18446744073709551615 4917338 0 0 4096 0 0 0 0 17 1 0 0
/proc/22941/statm: 1243 852 221 541 0 693 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 4972

[startup+0.102717 s]
/proc/loadavg: 1.01 1.31 1.29 3/64 22941
/proc/meminfo: memFree=1855296/2055920 swapFree=4180724/4192956
[pid=22941] ppid=22939 vsize=5104 CPUtime=0.09
/proc/22941/stat : 22941 (kw) R 22939 22941 22846 0 -1 0 915 0 0 0 9 0 0 0 18 0 1 0 98633958 5226496 899 1992294400 4194304 6412682 548682068864 18446744073709551615 5487243 0 0 4096 0 0 0 0 17 1 0 0
/proc/22941/statm: 1276 899 221 541 0 726 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 5104

[startup+0.30274 s]
/proc/loadavg: 1.01 1.31 1.29 3/64 22941
/proc/meminfo: memFree=1855296/2055920 swapFree=4180724/4192956
[pid=22941] ppid=22939 vsize=8596 CPUtime=0.29
/proc/22941/stat : 22941 (kw) R 22939 22941 22846 0 -1 0 1776 0 0 0 29 0 0 0 20 0 1 0 98633958 8802304 1760 1992294400 4194304 6412682 548682068864 18446744073709551615 4565041 0 0 4096 0 0 0 0 17 1 0 0
/proc/22941/statm: 2149 1760 239 541 0 1599 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 8596

[startup+0.701784 s]
/proc/loadavg: 1.01 1.31 1.29 3/64 22941
/proc/meminfo: memFree=1855296/2055920 swapFree=4180724/4192956
[pid=22941] ppid=22939 vsize=9416 CPUtime=0.69
/proc/22941/stat : 22941 (kw) R 22939 22941 22846 0 -1 0 2038 0 0 0 68 1 0 0 23 0 1 0 98633958 9641984 2020 1992294400 4194304 6412682 548682068864 18446744073709551615 4287596 0 0 4096 0 0 0 0 17 1 0 0
/proc/22941/statm: 2354 2020 254 541 0 1804 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 9416

[startup+1.50188 s]
/proc/loadavg: 1.01 1.31 1.29 2/65 22942
/proc/meminfo: memFree=1848120/2055920 swapFree=4180724/4192956
[pid=22941] ppid=22939 vsize=9840 CPUtime=1.49
/proc/22941/stat : 22941 (kw) R 22939 22941 22846 0 -1 0 2141 0 0 0 148 1 0 0 25 0 1 0 98633958 10076160 2123 1992294400 4194304 6412682 548682068864 18446744073709551615 5550983 0 0 4096 0 0 0 0 17 1 0 0
/proc/22941/statm: 2460 2123 254 541 0 1910 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 9840

[startup+3.10106 s]
/proc/loadavg: 1.01 1.31 1.29 2/65 22942
/proc/meminfo: memFree=1846136/2055920 swapFree=4180724/4192956
[pid=22941] ppid=22939 vsize=12564 CPUtime=3.09
/proc/22941/stat : 22941 (kw) R 22939 22941 22846 0 -1 0 2783 0 0 0 306 3 0 0 25 0 1 0 98633958 12865536 2726 1992294400 4194304 6412682 548682068864 18446744073709551615 5487182 0 0 4096 0 0 0 0 17 1 0 0
/proc/22941/statm: 3141 2726 254 541 0 2591 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 12564

[startup+6.30142 s]
/proc/loadavg: 1.01 1.31 1.29 2/65 22942
/proc/meminfo: memFree=1843960/2055920 swapFree=4180724/4192956
[pid=22941] ppid=22939 vsize=14660 CPUtime=6.29
/proc/22941/stat : 22941 (kw) R 22939 22941 22846 0 -1 0 3317 0 0 0 625 4 0 0 25 0 1 0 98633958 15011840 3215 1992294400 4194304 6412682 548682068864 18446744073709551615 5550983 0 0 4096 0 0 0 0 17 1 0 0
/proc/22941/statm: 3665 3215 257 541 0 3115 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 14660

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

Child status: 10
Real time (s): 6.40028
CPU time (s): 6.39803
CPU user time (s): 6.34604
CPU system time (s): 0.051992
CPU usage (%): 99.9649
Max. virtual memory (cumulated for all children) (KiB): 14660

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 6.34603
system time used= 0.051992
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 3386
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= 2
involuntary context switches= 18

runsolver used 0.008998 second user time and 0.019996 second system time

The end

Launcher Data

Begin job on node23 at 2009-04-26 02:33:25
IDJOB=1725660
IDBENCH=24595
IDSOLVER=501
FILE ID=node23/1725660-1240706004
PBS_JOBID= 9186818
Free space on /tmp= 66320 MiB

SOLVER NAME= kw 2009-03-20
BENCH NAME= SAT07/crafted/Medium/contest05/others/QG7a-gensys-ukn001.sat05-3841.reshuffled-07.cnf
COMMAND LINE= HOME/kw BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1725660-1240706004/watcher-1725660-1240706004 -o /tmp/evaluation-result-1725660-1240706004/solver-1725660-1240706004 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/kw HOME/instance-1725660-1240706004.cnf

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 0

MD5SUM BENCH= 74af041eb51b172e799baf4bb7eaa52f
RANDOM SEED=680279509

node23.alineos.net Linux 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005

/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		: 3000.238
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		: 3000.238
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:       1855712 kB
Buffers:         18480 kB
Cached:         131584 kB
SwapCached:       5792 kB
Active:          29708 kB
Inactive:       128484 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1855712 kB
SwapTotal:     4192956 kB
SwapFree:      4180724 kB
Dirty:            2908 kB
Writeback:           0 kB
Mapped:          13952 kB
Slab:            28048 kB
Committed_AS:   408688 kB
PageTables:       1388 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= 66316 MiB
End job on node23 at 2009-04-26 02:33:31