Trace number 310918

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
CMUSAT BASE 2007-02-08SAT 8.06377 8.06792

General information on the benchmark

Namerandom/2+p/p0.8/v1295/
unif2p-p0.8-v1295-c4027-S1762612346-15-SAT.cnf
MD5SUMe5673a7c266f877ed2c58f7b531e89ad
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.052991
Satisfiable
(Un)Satisfiability was proved
Number of variables1295
Number of clauses4026
Sum of the clauses size11273
Maximum clause length3
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 2805
Number of clauses of size 33221
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data (download as text)

7.98/8.06	c Number of variables:  1295
7.98/8.06	c Number of clauses:    4026
7.98/8.06	c DBreduced=0 GV=102[0]  GL=4128[ 4026,102] Prune=340 decisions=237 restart=0 est=2.23974 DB Impl=16673[0]  
7.98/8.06	c DBreduced=0 GV=152[0]  GL=4178[ 4026,152] Prune=465 decisions=312 restart=1 est=2.23974 DB Impl=24071[0]  
7.98/8.06	c DBreduced=0 GV=227[0]  GL=4253[ 4026,227] Prune=664 decisions=436 restart=2 est=2.2401 DB Impl=36799[0]  
7.98/8.06	c DBreduced=0 GV=338[0]  GL=4364[ 4026,338] Prune=943 decisions=604 restart=3 est=2.23986 DB Impl=57353[0]  
7.98/8.06	c DBreduced=0 GV=507[0]  GL=4533[ 4026,507] Prune=1375 decisions=867 restart=4 est=2.23974 DB Impl=88855[0]  
7.98/8.06	c DBreduced=0 GV=760[0]  GL=4786[ 4026,760] Prune=1969 decisions=1208 restart=5 est=2.23956 DB Impl=134459[0]  
7.98/8.06	c DBreduced=0 GV=1140[0]  GL=5166[ 4026,1140] Prune=2829 decisions=1688 restart=6 est=2.2395 DB Impl=205591[0]  
7.98/8.06	c DBreduced=0 GV=1710[0]  GL=5736[ 4026,1710] Prune=4171 decisions=2460 restart=7 est=2.23956 DB Impl=304900[0]  
7.98/8.06	c DBreduced=2 GV=2563[0]  GL=5290[ 4026,1264] Prune=6146 decisions=3582 restart=8 est=2.23944 DB Impl=462237[0]  
7.98/8.06	c DBreduced=3 GV=3845[0]  GL=5669[ 4026,1643] Prune=9099 decisions=5253 restart=9 est=2.23986 DB Impl=690906[0]  
7.98/8.06	c DBreduced=4 GV=5767[0]  GL=6546[ 4026,2520] Prune=13457 decisions=7689 restart=10 est=2.24028 DB Impl=1064800[0]  
7.98/8.06	c DBreduced=6 GV=8650[0]  GL=7102[ 4026,3076] Prune=19877 decisions=11226 restart=11 est=2.23956 DB Impl=1594860[0]  
7.98/8.06	c DBreduced=9 GV=12975[0]  GL=6962[ 4026,2936] Prune=29722 decisions=16746 restart=12 est=2.23956 DB Impl=2392803[0]  
7.98/8.06	c DBreduced=12 GV=19463[0]  GL=7832[ 4026,3806] Prune=44476 decisions=25012 restart=13 est=2.23944 DB Impl=3529219[0]  
7.98/8.06	c DBreduced=15 GV=29193[0]  GL=9932[ 4026,5906] Prune=66396 decisions=37202 restart=14 est=2.23944 DB Impl=5337219[0]  
7.98/8.06	c DBreduced=19 GV=43790[0]  GL=10995[ 4026,6969] Prune=99322 decisions=55531 restart=15 est=2.23974 DB Impl=7986375[0]  
7.98/8.06	c #Total time (in seconds): 8.05377
7.98/8.06	c #Memory used (in MB): 5.9375
7.98/8.06	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 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1291 -1292 1293 -1294 1295 0 
7.98/8.06	c 
7.98/8.06	s SATISFIABLE

Verifier Data (download as text)

OK

Watcher Data (download as text)

runsolver version 3.2.0 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node69/watcher-310918-1172562901 -o ROOT/results/node69/solver-310918-1172562901 -C 1200 -M 1800 --output-limit 1,15 /tmp/evaluation/310918-1172562901/cmusat_base /tmp/evaluation/310918-1172562901/instance-310918-1172562901.cnf 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1200 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1230 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: 1.09 1.02 1.00 3/64 25972
/proc/meminfo: memFree=1825000/2055920 swapFree=4183956/4192956
[pid=25972] ppid=25970 vsize=2320 CPUtime=0
/proc/25972/stat : 25972 (cmusat_base) R 25970 25972 25397 0 -1 4194304 187 0 0 0 0 0 0 0 18 0 1 0 276247788 2375680 169 18446744073709551615 134512640 135500113 4294956704 18446744073709551615 135064935 0 0 4096 35 0 0 0 17 1 0 0
/proc/25972/statm: 580 169 90 241 0 336 0

[startup+0.106805 s]
/proc/loadavg: 1.09 1.02 1.00 3/64 25972
/proc/meminfo: memFree=1825000/2055920 swapFree=4183956/4192956
[pid=25972] ppid=25970 vsize=2868 CPUtime=0.1
/proc/25972/stat : 25972 (cmusat_base) R 25970 25972 25397 0 -1 4194304 318 0 0 0 10 0 0 0 18 0 1 0 276247788 2936832 300 18446744073709551615 134512640 135500113 4294956704 18446744073709551615 134562525 0 0 4096 35 0 0 0 17 1 0 0
/proc/25972/statm: 717 300 109 241 0 473 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 2868

[startup+0.51487 s]
/proc/loadavg: 1.09 1.02 1.00 3/64 25972
/proc/meminfo: memFree=1825000/2055920 swapFree=4183956/4192956
[pid=25972] ppid=25970 vsize=3284 CPUtime=0.51
/proc/25972/stat : 25972 (cmusat_base) R 25970 25972 25397 0 -1 4194304 420 0 0 0 51 0 0 0 22 0 1 0 276247788 3362816 402 18446744073709551615 134512640 135500113 4294956704 18446744073709551615 134560618 0 0 4096 35 0 0 0 17 1 0 0
/proc/25972/statm: 821 402 109 241 0 577 0
Current children cumulated CPU time (s) 0.51
Current children cumulated vsize (KiB) 3284

[startup+1.338 s]
/proc/loadavg: 1.08 1.01 1.00 2/65 25973
/proc/meminfo: memFree=1823456/2055920 swapFree=4183956/4192956
[pid=25972] ppid=25970 vsize=3600 CPUtime=1.33
/proc/25972/stat : 25972 (cmusat_base) R 25970 25972 25397 0 -1 4194304 520 0 0 0 133 0 0 0 25 0 1 0 276247788 3686400 502 18446744073709551615 134512640 135500113 4294956704 18446744073709551615 134552542 0 0 4096 35 0 0 0 17 1 0 0
/proc/25972/statm: 900 502 109 241 0 656 0
Current children cumulated CPU time (s) 1.33
Current children cumulated vsize (KiB) 3600

[startup+2.97427 s]
/proc/loadavg: 1.08 1.01 1.00 2/65 25973
/proc/meminfo: memFree=1822496/2055920 swapFree=4183956/4192956
[pid=25972] ppid=25970 vsize=4444 CPUtime=2.96
/proc/25972/stat : 25972 (cmusat_base) R 25970 25972 25397 0 -1 4194304 714 0 0 0 296 0 0 0 25 0 1 0 276247788 4550656 696 18446744073709551615 134512640 135500113 4294956704 18446744073709551615 134560110 0 0 4096 35 0 0 0 17 1 0 0
/proc/25972/statm: 1111 696 109 241 0 867 0
Current children cumulated CPU time (s) 2.96
Current children cumulated vsize (KiB) 4444

[startup+6.25381 s]
/proc/loadavg: 1.08 1.01 1.00 2/65 25973
/proc/meminfo: memFree=1821608/2055920 swapFree=4183956/4192956
[pid=25972] ppid=25970 vsize=5636 CPUtime=6.24
/proc/25972/stat : 25972 (cmusat_base) R 25970 25972 25397 0 -1 4194304 1000 0 0 0 624 0 0 0 25 0 1 0 276247788 5771264 982 18446744073709551615 134512640 135500113 4294956704 18446744073709551615 134560029 0 0 4096 35 0 0 0 17 1 0 0
/proc/25972/statm: 1409 982 109 241 0 1165 0
Current children cumulated CPU time (s) 6.24
Current children cumulated vsize (KiB) 5636

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

[startup+6.55986 s]
/proc/loadavg: 1.08 1.01 1.00 2/65 25973
/proc/meminfo: memFree=1821608/2055920 swapFree=4183956/4192956
[pid=25972] ppid=25970 vsize=5636 CPUtime=6.55
/proc/25972/stat : 25972 (cmusat_base) R 25970 25972 25397 0 -1 4194304 1000 0 0 0 655 0 0 0 25 0 1 0 276247788 5771264 982 18446744073709551615 134512640 135500113 4294956704 18446744073709551615 134560054 0 0 4096 35 0 0 0 17 1 0 0
/proc/25972/statm: 1409 982 109 241 0 1165 0
Current children cumulated CPU time (s) 6.55
Current children cumulated vsize (KiB) 5636

[startup+7.37999 s]
/proc/loadavg: 1.07 1.01 1.00 2/65 25973
/proc/meminfo: memFree=1821096/2055920 swapFree=4183956/4192956
[pid=25972] ppid=25970 vsize=5904 CPUtime=7.36
/proc/25972/stat : 25972 (cmusat_base) R 25970 25972 25397 0 -1 4194304 1072 0 0 0 736 0 0 0 25 0 1 0 276247788 6045696 1054 18446744073709551615 134512640 135500113 4294956704 18446744073709551615 134560476 0 0 4096 35 0 0 0 17 1 0 0
/proc/25972/statm: 1476 1054 109 241 0 1232 0
Current children cumulated CPU time (s) 7.36
Current children cumulated vsize (KiB) 5904

[startup+7.78806 s]
/proc/loadavg: 1.07 1.01 1.00 2/65 25973
/proc/meminfo: memFree=1821096/2055920 swapFree=4183956/4192956
[pid=25972] ppid=25970 vsize=6080 CPUtime=7.77
/proc/25972/stat : 25972 (cmusat_base) R 25970 25972 25397 0 -1 4194304 1122 0 0 0 777 0 0 0 25 0 1 0 276247788 6225920 1104 18446744073709551615 134512640 135500113 4294956704 18446744073709551615 134559860 0 0 4096 35 0 0 0 17 1 0 0
/proc/25972/statm: 1520 1104 109 241 0 1276 0
Current children cumulated CPU time (s) 7.77
Current children cumulated vsize (KiB) 6080

[startup+7.99609 s]
/proc/loadavg: 1.07 1.01 1.00 2/65 25973
/proc/meminfo: memFree=1820776/2055920 swapFree=4183956/4192956
[pid=25972] ppid=25970 vsize=6080 CPUtime=7.98
/proc/25972/stat : 25972 (cmusat_base) R 25970 25972 25397 0 -1 4194304 1122 0 0 0 798 0 0 0 25 0 1 0 276247788 6225920 1104 18446744073709551615 134512640 135500113 4294956704 18446744073709551615 134560476 0 0 4096 35 0 0 0 17 1 0 0
/proc/25972/statm: 1520 1104 109 241 0 1276 0
Current children cumulated CPU time (s) 7.98
Current children cumulated vsize (KiB) 6080

Child status: 10
Real time (s): 8.06792
CPU time (s): 8.06377
CPU user time (s): 8.05377
CPU system time (s): 0.009998
CPU usage (%): 99.9485
Max. virtual memory (cumulated for all children) (KiB): 6080

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 8.05377
system time used= 0.009998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1132
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= 17

runsolver used 0.007998 second user time and 0.022996 second system time

The end

Launcher Data (download as text)

Begin job on node69 on Tue Feb 27 07:55:01 UTC 2007

IDJOB= 310918
IDBENCH= 20299
IDSOLVER= 120
FILE ID= node69/310918-1172562901

PBS_JOBID= 3971887

Free space on /tmp= 66560 MiB

SOLVER NAME= CMUSAT BASE 2007-02-08
BENCH NAME= HOME/pub/bench/SAT07/random/2+p/p0.8/v1295/unif2p-p0.8-v1295-c4027-S1762612346-15-SAT.cnf
COMMAND LINE= /tmp/evaluation/310918-1172562901/cmusat_base /tmp/evaluation/310918-1172562901/instance-310918-1172562901.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node69/watcher-310918-1172562901 -o ROOT/results/node69/solver-310918-1172562901 -C 1200 -M 1800 --output-limit 1,15  /tmp/evaluation/310918-1172562901/cmusat_base /tmp/evaluation/310918-1172562901/instance-310918-1172562901.cnf            

META MD5SUM SOLVER= af990fb12f8926fdd756b397adb3b5cf
MD5SUM BENCH=  e5673a7c266f877ed2c58f7b531e89ad

RANDOM SEED= 686819091

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node69.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		: 3000.261
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		: 3000.261
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:       1825408 kB
Buffers:         32900 kB
Cached:         149968 kB
SwapCached:       3248 kB
Active:          91520 kB
Inactive:       101304 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1825408 kB
SwapTotal:     4192956 kB
SwapFree:      4183956 kB
Dirty:            2504 kB
Writeback:           0 kB
Mapped:          15332 kB
Slab:            23664 kB
Committed_AS:   711348 kB
PageTables:       1472 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= 66560 MiB

End job on node69 on Tue Feb 27 07:55:09 UTC 2007