Trace number 1725685

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
SATzilla2009_I 2009-03-22SAT 1.38479 1.38483

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

1.29/1.38	c SATzilla is building models for class 3
1.29/1.38	c run presolver mxc-sr08 for 10 seconds ... 
1.29/1.38	c Bin: Executing mxc-sr08
1.29/1.38	c spawning binary file with 10 seconds ...
1.29/1.38	c child exited successfully
1.29/1.38	c mxc-sr08 returned code 10.
1.29/1.38	s SATISFIABLE
1.29/1.38	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 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1.29/1.38	c SATZILLA_TIME=1.370000

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-1725685-1240706159/watcher-1725685-1240706159 -o /tmp/evaluation-result-1725685-1240706159/solver-1725685-1240706159 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/SATzilla2009_I HOME/instance-1725685-1240706159.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: 0.93 0.98 0.99 3/64 19241
/proc/meminfo: memFree=1467608/2055920 swapFree=4192956/4192956
[pid=19241] ppid=19239 vsize=2056 CPUtime=0
/proc/19241/stat : 19241 (SATzilla2009_I) S 19239 19241 19148 0 -1 4194304 132 0 0 0 0 0 0 0 18 0 1 0 98649906 2105344 112 1992294400 134512640 136149169 4294956224 18446744073709551615 135542605 0 0 4096 0 18446744071563356171 0 0 17 0 0 0
/proc/19241/statm: 514 112 96 399 0 111 0
[pid=19242] ppid=19241 vsize=2156 CPUtime=0
/proc/19242/stat : 19242 (mxc-sr08) R 19241 19241 19148 0 -1 4194304 401 0 0 0 0 0 0 0 19 0 1 0 98649907 2207744 397 1992294400 134512640 135078026 4294956192 18446744073709551615 134566013 0 0 8392704 0 0 0 0 17 0 0 0
/proc/19242/statm: 539 397 54 138 0 398 0

[startup+0.0977821 s]
/proc/loadavg: 0.93 0.98 0.99 3/64 19241
/proc/meminfo: memFree=1467608/2055920 swapFree=4192956/4192956
[pid=19241] ppid=19239 vsize=2056 CPUtime=0
/proc/19241/stat : 19241 (SATzilla2009_I) S 19239 19241 19148 0 -1 4194304 132 0 0 0 0 0 0 0 18 0 1 0 98649906 2105344 112 1992294400 134512640 136149169 4294956224 18446744073709551615 135542605 0 0 4096 0 18446744071563356171 0 0 17 0 0 0
/proc/19241/statm: 514 112 96 399 0 111 0
[pid=19242] ppid=19241 vsize=3312 CPUtime=0.09
/proc/19242/stat : 19242 (mxc-sr08) R 19241 19241 19148 0 -1 4194304 843 0 0 0 9 0 0 0 19 0 1 0 98649907 3391488 669 1992294400 134512640 135078026 4294956192 18446744073709551615 134569276 0 0 8392704 0 0 0 0 17 0 0 0
/proc/19242/statm: 828 669 55 138 0 687 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 5368

[startup+0.101782 s]
/proc/loadavg: 0.93 0.98 0.99 3/64 19241
/proc/meminfo: memFree=1467608/2055920 swapFree=4192956/4192956
[pid=19241] ppid=19239 vsize=2056 CPUtime=0
/proc/19241/stat : 19241 (SATzilla2009_I) S 19239 19241 19148 0 -1 4194304 132 0 0 0 0 0 0 0 18 0 1 0 98649906 2105344 112 1992294400 134512640 136149169 4294956224 18446744073709551615 135542605 0 0 4096 0 18446744071563356171 0 0 17 0 0 0
/proc/19241/statm: 514 112 96 399 0 111 0
[pid=19242] ppid=19241 vsize=3312 CPUtime=0.09
/proc/19242/stat : 19242 (mxc-sr08) R 19241 19241 19148 0 -1 4194304 843 0 0 0 9 0 0 0 19 0 1 0 98649907 3391488 669 1992294400 134512640 135078026 4294956192 18446744073709551615 134569233 0 0 8392704 0 0 0 0 17 0 0 0
/proc/19242/statm: 828 669 55 138 0 687 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 5368

[startup+0.301805 s]
/proc/loadavg: 0.93 0.98 0.99 3/64 19241
/proc/meminfo: memFree=1467608/2055920 swapFree=4192956/4192956
[pid=19241] ppid=19239 vsize=2056 CPUtime=0
/proc/19241/stat : 19241 (SATzilla2009_I) S 19239 19241 19148 0 -1 4194304 132 0 0 0 0 0 0 0 18 0 1 0 98649906 2105344 112 1992294400 134512640 136149169 4294956224 18446744073709551615 135542605 0 0 4096 0 18446744071563356171 0 0 17 0 0 0
/proc/19241/statm: 514 112 96 399 0 111 0
[pid=19242] ppid=19241 vsize=3444 CPUtime=0.29
/proc/19242/stat : 19242 (mxc-sr08) R 19241 19241 19148 0 -1 4194304 956 0 0 0 29 0 0 0 21 0 1 0 98649907 3526656 737 1992294400 134512640 135078026 4294956192 18446744073709551615 134537867 0 0 8392704 0 0 0 0 17 0 0 0
/proc/19242/statm: 861 737 71 138 0 720 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 5500

[startup+0.70185 s]
/proc/loadavg: 0.93 0.98 0.99 3/64 19241
/proc/meminfo: memFree=1467608/2055920 swapFree=4192956/4192956
[pid=19241] ppid=19239 vsize=2056 CPUtime=0
/proc/19241/stat : 19241 (SATzilla2009_I) S 19239 19241 19148 0 -1 4194304 132 0 0 0 0 0 0 0 18 0 1 0 98649906 2105344 112 1992294400 134512640 136149169 4294956224 18446744073709551615 135542605 0 0 4096 0 18446744071563356171 0 0 17 0 0 0
/proc/19241/statm: 514 112 96 399 0 111 0
[pid=19242] ppid=19241 vsize=3708 CPUtime=0.69
/proc/19242/stat : 19242 (mxc-sr08) R 19241 19241 19148 0 -1 4194304 1050 0 0 0 69 0 0 0 25 0 1 0 98649907 3796992 831 1992294400 134512640 135078026 4294956192 18446744073709551615 134534209 0 0 8392704 0 0 0 0 17 0 0 0
/proc/19242/statm: 927 831 71 138 0 786 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 5764

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

[startup+1.10589 s]
/proc/loadavg: 0.94 0.98 0.99 2/66 19243
/proc/meminfo: memFree=1464136/2055920 swapFree=4192956/4192956
[pid=19241] ppid=19239 vsize=2056 CPUtime=0
/proc/19241/stat : 19241 (SATzilla2009_I) S 19239 19241 19148 0 -1 4194304 132 0 0 0 0 0 0 0 18 0 1 0 98649906 2105344 112 1992294400 134512640 136149169 4294956224 18446744073709551615 135542605 0 0 4096 0 18446744071563356171 0 0 17 0 0 0
/proc/19241/statm: 514 112 96 399 0 111 0
[pid=19242] ppid=19241 vsize=4104 CPUtime=1.09
/proc/19242/stat : 19242 (mxc-sr08) R 19241 19241 19148 0 -1 4194304 1148 0 0 0 109 0 0 0 25 0 1 0 98649907 4202496 929 1992294400 134512640 135078026 4294956192 18446744073709551615 134534660 0 0 8392704 0 0 0 0 17 0 0 0
/proc/19242/statm: 1026 929 71 138 0 885 0
Current children cumulated CPU time (s) 1.09
Current children cumulated vsize (KiB) 6160

[startup+1.30192 s]
/proc/loadavg: 0.94 0.98 0.99 2/66 19243
/proc/meminfo: memFree=1464136/2055920 swapFree=4192956/4192956
[pid=19241] ppid=19239 vsize=2056 CPUtime=0
/proc/19241/stat : 19241 (SATzilla2009_I) S 19239 19241 19148 0 -1 4194304 132 0 0 0 0 0 0 0 18 0 1 0 98649906 2105344 112 1992294400 134512640 136149169 4294956224 18446744073709551615 135542605 0 0 4096 0 18446744071563356171 0 0 17 0 0 0
/proc/19241/statm: 514 112 96 399 0 111 0
[pid=19242] ppid=19241 vsize=4236 CPUtime=1.29
/proc/19242/stat : 19242 (mxc-sr08) R 19241 19241 19148 0 -1 4194304 1163 0 0 0 129 0 0 0 25 0 1 0 98649907 4337664 944 1992294400 134512640 135078026 4294956192 18446744073709551615 134722554 0 0 8392704 0 0 0 0 17 0 0 0
/proc/19242/statm: 1059 944 71 138 0 918 0
Current children cumulated CPU time (s) 1.29
Current children cumulated vsize (KiB) 6292

Child status: 10
Real time (s): 1.38483
CPU time (s): 1.38479
CPU user time (s): 1.37579
CPU system time (s): 0.008998
CPU usage (%): 99.997
Max. virtual memory (cumulated for all children) (KiB): 6292

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.37579
system time used= 0.008998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1371
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= 14
involuntary context switches= 2

runsolver used 0.002999 second user time and 0.009998 second system time

The end

Launcher Data

Begin job on node5 at 2009-04-26 02:36:00
IDJOB=1725685
IDBENCH=24595
IDSOLVER=528
FILE ID=node5/1725685-1240706159
PBS_JOBID= 9186823
Free space on /tmp= 66340 MiB

SOLVER NAME= SATzilla2009_I 2009-03-22
BENCH NAME= SAT07/crafted/Medium/contest05/others/QG7a-gensys-ukn001.sat05-3841.reshuffled-07.cnf
COMMAND LINE= HOME/SATzilla2009_I BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1725685-1240706159/watcher-1725685-1240706159 -o /tmp/evaluation-result-1725685-1240706159/solver-1725685-1240706159 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/SATzilla2009_I HOME/instance-1725685-1240706159.cnf

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

MD5SUM BENCH= 74af041eb51b172e799baf4bb7eaa52f
RANDOM SEED=1145255682

node5.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		: 3000.212
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		: 3000.212
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:       1468088 kB
Buffers:         65240 kB
Cached:         437824 kB
SwapCached:          0 kB
Active:         156392 kB
Inactive:       360544 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1468088 kB
SwapTotal:     4192956 kB
SwapFree:      4192956 kB
Dirty:           32488 kB
Writeback:           0 kB
Mapped:          23636 kB
Slab:            56888 kB
Committed_AS:   348576 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= 66312 MiB
End job on node5 at 2009-04-26 02:36:01