Trace number 1725632

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 1.72974 1.73064

General information on the benchmark

Namecrafted/Medium/contest05/others/
QG7a-gensys-brn004.sat05-3669.reshuffled-07.cnf
MD5SUM51245c7b8edb32c4dbd94daf982c00d7
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark1.72974
Satisfiable
(Un)Satisfiability was proved
Number of variables2435
Number of clauses16016
Sum of the clauses size112873
Maximum clause length13
Minimum clause length1
Number of clauses of size 135
Number of clauses of size 2385
Number of clauses of size 32207
Number of clauses of size 4298
Number of clauses of size 5447
Number of clauses of size over 512644

Solver Data

1.69/1.73	c SATzilla is building models for class 3
1.69/1.73	c run presolver mxc-sr08 for 10 seconds ... 
1.69/1.73	c Bin: Executing mxc-sr08
1.69/1.73	c spawning binary file with 10 seconds ...
1.69/1.73	c child exited successfully
1.69/1.73	c mxc-sr08 returned code 10.
1.69/1.73	s SATISFIABLE
1.69/1.73	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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2414 2415 -2416 -2417 -2418 2419 -2420 2421 2422 -2423 2424 -2425 2426 2427 -2428 2429 2430 2431 -2432 2433 -2434 2435 0
1.69/1.73	c SATZILLA_TIME=1.720000

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-1725632-1240705828/watcher-1725632-1240705828 -o /tmp/evaluation-result-1725632-1240705828/solver-1725632-1240705828 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/SATzilla2009_I HOME/instance-1725632-1240705828.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 0.95 0.98 3/64 25450
/proc/meminfo: memFree=1651512/2055920 swapFree=4181240/4192956
[pid=25450] ppid=25448 vsize=2056 CPUtime=0
/proc/25450/stat : 25450 (SATzilla2009_I) S 25448 25450 25384 0 -1 4194304 132 0 0 0 0 0 0 0 18 0 1 0 98610572 2105344 112 1992294400 134512640 136149169 4294956224 18446744073709551615 135542605 0 0 4096 0 18446744071563356171 0 0 17 0 0 0
/proc/25450/statm: 514 112 96 399 0 111 0
[pid=25451] ppid=25450 vsize=1880 CPUtime=0
/proc/25451/stat : 25451 (mxc-sr08) R 25450 25450 25384 0 -1 4194304 353 0 0 0 0 0 0 0 19 0 1 0 98610572 1925120 349 1992294400 134512640 135078026 4294956192 18446744073709551615 134722554 0 0 8392704 0 0 0 0 17 0 0 0
/proc/25451/statm: 470 350 54 138 0 329 0

[startup+0.032543 s]
/proc/loadavg: 0.93 0.95 0.98 3/64 25450
/proc/meminfo: memFree=1651512/2055920 swapFree=4181240/4192956
[pid=25450] ppid=25448 vsize=2056 CPUtime=0
/proc/25450/stat : 25450 (SATzilla2009_I) S 25448 25450 25384 0 -1 4194304 132 0 0 0 0 0 0 0 18 0 1 0 98610572 2105344 112 1992294400 134512640 136149169 4294956224 18446744073709551615 135542605 0 0 4096 0 18446744071563356171 0 0 17 0 0 0
/proc/25450/statm: 514 112 96 399 0 111 0
[pid=25451] ppid=25450 vsize=3140 CPUtime=0.02
/proc/25451/stat : 25451 (mxc-sr08) R 25450 25450 25384 0 -1 4194304 664 0 0 0 2 0 0 0 19 0 1 0 98610572 3215360 660 1992294400 134512640 135078026 4294956192 18446744073709551615 134722554 0 0 8392704 0 0 0 0 17 0 0 0
/proc/25451/statm: 785 660 54 138 0 644 0
Current children cumulated CPU time (s) 0.02
Current children cumulated vsize (KiB) 5196

[startup+0.10155 s]
/proc/loadavg: 0.93 0.95 0.98 3/64 25450
/proc/meminfo: memFree=1651512/2055920 swapFree=4181240/4192956
[pid=25450] ppid=25448 vsize=2056 CPUtime=0
/proc/25450/stat : 25450 (SATzilla2009_I) S 25448 25450 25384 0 -1 4194304 132 0 0 0 0 0 0 0 18 0 1 0 98610572 2105344 112 1992294400 134512640 136149169 4294956224 18446744073709551615 135542605 0 0 4096 0 18446744071563356171 0 0 17 0 0 0
/proc/25450/statm: 514 112 96 399 0 111 0
[pid=25451] ppid=25450 vsize=3192 CPUtime=0.09
/proc/25451/stat : 25451 (mxc-sr08) R 25450 25450 25384 0 -1 4194304 818 0 0 0 9 0 0 0 19 0 1 0 98610572 3268608 666 1992294400 134512640 135078026 4294956192 18446744073709551615 134569881 0 0 8392704 0 0 0 0 17 0 0 0
/proc/25451/statm: 798 666 55 138 0 657 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 5248

[startup+0.301575 s]
/proc/loadavg: 0.93 0.95 0.98 3/64 25450
/proc/meminfo: memFree=1651512/2055920 swapFree=4181240/4192956
[pid=25450] ppid=25448 vsize=2056 CPUtime=0
/proc/25450/stat : 25450 (SATzilla2009_I) S 25448 25450 25384 0 -1 4194304 132 0 0 0 0 0 0 0 18 0 1 0 98610572 2105344 112 1992294400 134512640 136149169 4294956224 18446744073709551615 135542605 0 0 4096 0 18446744071563356171 0 0 17 0 0 0
/proc/25450/statm: 514 112 96 399 0 111 0
[pid=25451] ppid=25450 vsize=3028 CPUtime=0.29
/proc/25451/stat : 25451 (mxc-sr08) R 25450 25450 25384 0 -1 4194304 852 0 0 0 29 0 0 0 21 0 1 0 98610572 3100672 659 1992294400 134512640 135078026 4294956192 18446744073709551615 134533769 0 0 8392704 0 0 0 0 17 0 0 0
/proc/25451/statm: 757 659 71 138 0 616 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 5084

[startup+0.701606 s]
/proc/loadavg: 0.93 0.95 0.98 3/64 25450
/proc/meminfo: memFree=1651512/2055920 swapFree=4181240/4192956
[pid=25450] ppid=25448 vsize=2056 CPUtime=0
/proc/25450/stat : 25450 (SATzilla2009_I) S 25448 25450 25384 0 -1 4194304 132 0 0 0 0 0 0 0 18 0 1 0 98610572 2105344 112 1992294400 134512640 136149169 4294956224 18446744073709551615 135542605 0 0 4096 0 18446744071563356171 0 0 17 0 0 0
/proc/25450/statm: 514 112 96 399 0 111 0
[pid=25451] ppid=25450 vsize=3424 CPUtime=0.69
/proc/25451/stat : 25451 (mxc-sr08) R 25450 25450 25384 0 -1 4194304 940 0 0 0 69 0 0 0 25 0 1 0 98610572 3506176 747 1992294400 134512640 135078026 4294956192 18446744073709551615 134534329 0 0 8392704 0 0 0 0 17 0 0 0
/proc/25451/statm: 856 747 71 138 0 715 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 5480

[startup+1.50168 s]
/proc/loadavg: 1.01 0.97 0.99 2/66 25452
/proc/meminfo: memFree=1647848/2055920 swapFree=4181240/4192956
[pid=25450] ppid=25448 vsize=2056 CPUtime=0
/proc/25450/stat : 25450 (SATzilla2009_I) S 25448 25450 25384 0 -1 4194304 132 0 0 0 0 0 0 0 18 0 1 0 98610572 2105344 112 1992294400 134512640 136149169 4294956224 18446744073709551615 135542605 0 0 4096 0 18446744071563356171 0 0 17 0 0 0
/proc/25450/statm: 514 112 96 399 0 111 0
[pid=25451] ppid=25450 vsize=3952 CPUtime=1.49
/proc/25451/stat : 25451 (mxc-sr08) R 25450 25450 25384 0 -1 4194304 1068 0 0 0 149 0 0 0 25 0 1 0 98610572 4046848 875 1992294400 134512640 135078026 4294956192 18446744073709551615 134533727 0 0 8392704 0 0 0 0 17 0 0 0
/proc/25451/statm: 988 875 71 138 0 847 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 6008

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

[startup+1.7017 s]
/proc/loadavg: 1.01 0.97 0.99 2/66 25452
/proc/meminfo: memFree=1647848/2055920 swapFree=4181240/4192956
[pid=25450] ppid=25448 vsize=2056 CPUtime=0
/proc/25450/stat : 25450 (SATzilla2009_I) S 25448 25450 25384 0 -1 4194304 132 0 0 0 0 0 0 0 18 0 1 0 98610572 2105344 112 1992294400 134512640 136149169 4294956224 18446744073709551615 135542605 0 0 4096 0 18446744071563356171 0 0 17 0 0 0
/proc/25450/statm: 514 112 96 399 0 111 0
[pid=25451] ppid=25450 vsize=3952 CPUtime=1.69
/proc/25451/stat : 25451 (mxc-sr08) R 25450 25450 25384 0 -1 4194304 1069 0 0 0 169 0 0 0 25 0 1 0 98610572 4046848 876 1992294400 134512640 135078026 4294956192 18446744073709551615 134534219 0 0 8392704 0 0 0 0 17 0 0 0
/proc/25451/statm: 988 876 71 138 0 847 0
Current children cumulated CPU time (s) 1.69
Current children cumulated vsize (KiB) 6008

Child status: 10
Real time (s): 1.73064
CPU time (s): 1.72974
CPU user time (s): 1.72274
CPU system time (s): 0.006998
CPU usage (%): 99.9478
Max. virtual memory (cumulated for all children) (KiB): 6008

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.72274
system time used= 0.006998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1246
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= 12
involuntary context switches= 7

runsolver used 0.004999 second user time and 0.006998 second system time

The end

Launcher Data

Begin job on node48 at 2009-04-26 02:30:28
IDJOB=1725632
IDBENCH=24594
IDSOLVER=528
FILE ID=node48/1725632-1240705828
PBS_JOBID= 9186820
Free space on /tmp= 66308 MiB

SOLVER NAME= SATzilla2009_I 2009-03-22
BENCH NAME= SAT07/crafted/Medium/contest05/others/QG7a-gensys-brn004.sat05-3669.reshuffled-07.cnf
COMMAND LINE= HOME/SATzilla2009_I BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1725632-1240705828/watcher-1725632-1240705828 -o /tmp/evaluation-result-1725632-1240705828/solver-1725632-1240705828 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/SATzilla2009_I HOME/instance-1725632-1240705828.cnf

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

MD5SUM BENCH= 51245c7b8edb32c4dbd94daf982c00d7
RANDOM SEED=1999163756

node48.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		: 3000.209
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		: 3000.209
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:       1651992 kB
Buffers:         40852 kB
Cached:         300272 kB
SwapCached:       5336 kB
Active:         182448 kB
Inactive:       166260 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1651992 kB
SwapTotal:     4192956 kB
SwapFree:      4181240 kB
Dirty:           32360 kB
Writeback:           0 kB
Mapped:          13384 kB
Slab:            41244 kB
Committed_AS:   440784 kB
PageTables:       1368 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= 66276 MiB
End job on node48 at 2009-04-26 02:30:30