Trace number 1725713

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 6.27204 7.11403

General information on the benchmark

Namecrafted/Medium/contest05/others/
QG7a-gensys-ukn005.sat05-3845.reshuffled-07.cnf
MD5SUM50ea7ab54b71dd15b01cd5fd293d58eb
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark1.76073
Satisfiable
(Un)Satisfiability was proved
Number of variables2765
Number of clauses18046
Sum of the clauses size127926
Maximum clause length13
Minimum clause length1
Number of clauses of size 135
Number of clauses of size 2400
Number of clauses of size 32372
Number of clauses of size 4481
Number of clauses of size 5648
Number of clauses of size over 514110

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
6.26/7.11	c 6.13 seconds
6.26/7.11	s SATISFIABLE
6.26/7.11	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 -243 244 245 -246 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6.26/7.11	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-1725713-1240706275/watcher-1725713-1240706275 -o /tmp/evaluation-result-1725713-1240706275/solver-1725713-1240706275 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/kw HOME/instance-1725713-1240706275.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: 1.34 1.21 1.08 3/65 14722
/proc/meminfo: memFree=1627072/2055924 swapFree=4181440/4192956
[pid=14722] ppid=14720 vsize=4304 CPUtime=0
/proc/14722/stat : 14722 (kw) R 14720 14722 14569 0 -1 0 670 0 0 0 0 0 0 0 20 0 1 0 98656832 4407296 654 1992294400 4194304 6412682 548682068864 18446744073709551615 5487243 0 0 4096 0 0 0 0 17 1 0 0
/proc/14722/statm: 1076 654 219 541 0 526 0

[startup+0.0621489 s]
/proc/loadavg: 1.34 1.21 1.08 3/65 14722
/proc/meminfo: memFree=1627072/2055924 swapFree=4181440/4192956
[pid=14722] ppid=14720 vsize=4832 CPUtime=0.05
/proc/14722/stat : 14722 (kw) R 14720 14722 14569 0 -1 0 826 0 0 0 5 0 0 0 20 0 1 0 98656832 4947968 810 1992294400 4194304 6412682 548682068864 18446744073709551615 5554128 0 0 4096 0 0 0 0 17 1 0 0
/proc/14722/statm: 1208 810 221 541 0 658 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 4832

[startup+0.101151 s]
/proc/loadavg: 1.34 1.21 1.08 3/65 14722
/proc/meminfo: memFree=1627072/2055924 swapFree=4181440/4192956
[pid=14722] ppid=14720 vsize=5228 CPUtime=0.09
/proc/14722/stat : 14722 (kw) R 14720 14722 14569 0 -1 0 940 0 0 0 9 0 0 0 20 0 1 0 98656832 5353472 924 1992294400 4194304 6412682 548682068864 18446744073709551615 5487243 0 0 4096 0 0 0 0 17 1 0 0
/proc/14722/statm: 1307 924 221 541 0 757 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 5228

[startup+0.301172 s]
/proc/loadavg: 1.34 1.21 1.08 3/65 14722
/proc/meminfo: memFree=1627072/2055924 swapFree=4181440/4192956
[pid=14722] ppid=14720 vsize=8852 CPUtime=0.29
/proc/14722/stat : 14722 (kw) R 14720 14722 14569 0 -1 0 1859 0 0 0 29 0 0 0 22 0 1 0 98656832 9064448 1843 1992294400 4194304 6412682 548682068864 18446744073709551615 5508555 0 0 4096 0 0 0 0 17 1 0 0
/proc/14722/statm: 2213 1843 239 541 0 1663 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 8852

[startup+0.701214 s]
/proc/loadavg: 1.34 1.21 1.08 3/65 14722
/proc/meminfo: memFree=1627072/2055924 swapFree=4181440/4192956
[pid=14722] ppid=14720 vsize=9400 CPUtime=0.69
/proc/14722/stat : 14722 (kw) R 14720 14722 14569 0 -1 0 2037 0 0 0 68 1 0 0 25 0 1 0 98656832 9625600 2018 1992294400 4194304 6412682 548682068864 18446744073709551615 5550983 0 0 4096 0 0 0 0 17 1 0 0
/proc/14722/statm: 2350 2018 254 541 0 1800 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 9400

[startup+1.5013 s]
/proc/loadavg: 1.34 1.21 1.08 2/66 14723
/proc/meminfo: memFree=1619896/2055924 swapFree=4181440/4192956
[pid=14722] ppid=14720 vsize=10228 CPUtime=1.49
/proc/14722/stat : 14722 (kw) R 14720 14722 14569 0 -1 0 2213 0 0 0 146 3 0 0 25 0 1 0 98656832 10473472 2194 1992294400 4194304 6412682 548682068864 18446744073709551615 5550983 0 0 4096 0 0 0 0 17 1 0 0
/proc/14722/statm: 2557 2194 254 541 0 2007 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 10228

[startup+3.10146 s]
/proc/loadavg: 1.34 1.21 1.08 2/66 14723
/proc/meminfo: memFree=1617656/2055924 swapFree=4181440/4192956
[pid=14722] ppid=14720 vsize=12716 CPUtime=3.09
/proc/14722/stat : 14722 (kw) R 14720 14722 14569 0 -1 0 2829 0 0 0 305 4 0 0 25 0 1 0 98656832 13021184 2771 1992294400 4194304 6412682 548682068864 18446744073709551615 5550983 0 0 4096 0 0 0 0 17 1 0 0
/proc/14722/statm: 3179 2771 254 541 0 2629 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 12716

[startup+6.3028 s]
/proc/loadavg: 1.32 1.20 1.08 2/66 14723
/proc/meminfo: memFree=1615544/2055924 swapFree=4181440/4192956
[pid=14722] ppid=14720 vsize=14836 CPUtime=6.26
/proc/14722/stat : 14722 (kw) D 14720 14722 14569 0 -1 0 3415 0 0 0 620 6 0 0 25 0 1 0 98656832 15192064 3260 1992294400 4194304 6412682 548682068864 18446744073709551615 5554256 0 0 4096 0 18446744072099202260 0 0 17 1 0 0
/proc/14722/statm: 3709 3260 258 541 0 3159 0
Current children cumulated CPU time (s) 6.26
Current children cumulated vsize (KiB) 14836

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

Child status: 10
Real time (s): 7.11403
CPU time (s): 6.27204
CPU user time (s): 6.20606
CPU system time (s): 0.065989
CPU usage (%): 88.1645
Max. virtual memory (cumulated for all children) (KiB): 14836

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 6.20606
system time used= 0.065989
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 3429
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= 3
involuntary context switches= 15

runsolver used 0.010998 second user time and 0.020996 second system time

The end

Launcher Data

Begin job on node83 at 2009-04-26 02:37:55
IDJOB=1725713
IDBENCH=24597
IDSOLVER=501
FILE ID=node83/1725713-1240706275
PBS_JOBID= 9186819
Free space on /tmp= 66028 MiB

SOLVER NAME= kw 2009-03-20
BENCH NAME= SAT07/crafted/Medium/contest05/others/QG7a-gensys-ukn005.sat05-3845.reshuffled-07.cnf
COMMAND LINE= HOME/kw BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1725713-1240706275/watcher-1725713-1240706275 -o /tmp/evaluation-result-1725713-1240706275/solver-1725713-1240706275 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/kw HOME/instance-1725713-1240706275.cnf

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

MD5SUM BENCH= 50ea7ab54b71dd15b01cd5fd293d58eb
RANDOM SEED=986450270

node83.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		: 3000.222
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		: 3000.222
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	: 5996.54
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055924 kB
MemFree:       1627552 kB
Buffers:         43320 kB
Cached:         326636 kB
SwapCached:       5336 kB
Active:          90956 kB
Inactive:       287880 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055924 kB
LowFree:       1627552 kB
SwapTotal:     4192956 kB
SwapFree:      4181440 kB
Dirty:            2908 kB
Writeback:           0 kB
Mapped:          13468 kB
Slab:            35536 kB
Committed_AS:   373128 kB
PageTables:       1384 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= 66028 MiB
End job on node83 at 2009-04-26 02:38:03