Trace number 1545041

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
SAT07 reference solver: SATzilla RANDOMSAT 1.18782 1.18941

General information on the benchmark

NameRANDOM/MEDIUM/3SAT/SATISFIABLE/360/
unif-k3-r4.25-v360-c1530-S2032263657-035.cnf
MD5SUM53f64d3919c2bd6a89e2520e3c5780bd
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.007998
Satisfiable
(Un)Satisfiability was proved
Number of variables360
Number of clauses1530
Sum of the clauses size4590
Maximum clause length3
Minimum clause length3
Number of clauses of size 10
Number of clauses of size 20
Number of clauses of size 31530
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data 

1.10/1.18	c run March_dl for 5 seconds ... 
1.10/1.18	c Bin: Executing march_dl
1.10/1.18	c child exited successfully
1.10/1.18	c march_dl returned code 10.
1.10/1.18	c main():: ***                                   [ march satisfiability solver ]                                   ***
1.10/1.18	c main()::  **            Copyright (C) 2001-2004 M. Dufour, M. Heule, J. van Zwieten and H. van Maaren            **
1.10/1.18	c main()::   * This program may be redistributed and/or modified under the terms of the GNU Gereral Public License *
1.10/1.18	c main()::
1.10/1.18	c initFormula():: searching for DIMACS p-line....
1.10/1.18	c initFormula():: the DIMACS p-line indicates a CNF of 360 variables and 1530 clauses.
1.10/1.18	c parseCNF():: parsing....
1.10/1.18	c parseCNF():: the CNF contains 0 unary clauses.
1.10/1.18	c runParser():: parsing was successful, warming up engines...
1.10/1.18	c simplify_formula():: removed 0 tautological, 16 satisfied and 0 duplicate clauses
1.10/1.18	c preprocessing fase I completed:: there are now 358 free variables and 1514 clauses.
1.10/1.18	c shorten_equivalence(): average equivalence length reduced from nan to nan
1.10/1.18	c doublelook_init():: 90% succes rate goal.
1.10/1.18	c root_subsume():: 0 ternary clauses were subsumed, nrofceq = 0
1.10/1.18	c lessRedundantTransformation():: nothing to be done.
1.10/1.18	c transformTo3SAT():: you gave me 360 variables and 1514 clauses.
1.10/1.18	c transformTo3SAT():: by the way, the maximal clause length before transformation was 3.
1.10/1.18	c transformTo3SAT():: CHAINPLUS defined.
1.10/1.18	c transformTo3SAT():: I will add 0 variables and 0 clauses!
1.10/1.18	c transformTo3SAT():: the transformation yielded 360 variabels and 1514 clauses.
1.10/1.18	c main():: clause / variable ratio: ( 1514 / 360 ) = 4.21
1.10/1.18	c doublelook_init():: 90% succes rate goal.
1.10/1.18	c AddTernaryResolvents(): ternary clauses increased from 1514 to 1618
1.10/1.18	c root_subsume():: 0 ternary clauses were subsumed, nrofceq = 0
1.10/1.18	c simplify_formula():: removed 0 tautological, 0 satisfied and 0 duplicate clauses
1.10/1.18	c check_ternary_clause_density :: high
1.10/1.18	c root full lookahead
1.10/1.18	c freevars: 358, independend: 358, ternary clauses: 1618 
1.10/1.18	c main():: all systems go!
1.10/1.18	c |----------------------------------------------------------------|
c |
1.10/1.18	c
1.10/1.18	c main():: nodeCount: 4852
1.10/1.18	c main():: dead ends in main: 158
1.10/1.18	c main():: lookAheadCount: 295352
1.10/1.18	c main():: unitResolveCount: 63402
1.10/1.18	c main():: time=1.180000
1.10/1.18	c main():: necessary_assignments: 2006
1.10/1.18	c main():: bin_sat: 0, bin_unsat 0
1.10/1.18	c main():: doublelook: #: 6896, succes #: 6187
1.10/1.18	c main():: doublelook: succesrate: 89.719, threshold: 0.235 * nrofvars
1.10/1.18	c main():: SOLUTION VERIFIED :-)
1.10/1.18	s SATISFIABLE
1.10/1.18	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 -247 -248 -249 -250 251 -252 -253 -254 -255 -256 257 258 259 -260 -261 262 -263 264 265 -266 267 268 -269 270 271 272 273 274 275 276 -277 -278 279 280 -281 282 -283 284 285 286 287 -288 -289 -290 291 292 -293 -294 -295 -296 -297 298 299 300 301 302 -303 304 305 306 -307 -308 -309 -310 311 -312 313 314 315 316 317 318 319 320 -321 -322 323 324 -325 -326 -327 -328 329 330 -331 -332 333 -334 335 336 337 338 339 340 341 342 -343 344 345 -346 347 348 349 -350 -351 352 -353 -354 -355 -356 357 358 359 -360 0
1.10/1.18	c SATZILLA_TIME=1.180000

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-1545041-1238615075/watcher-1545041-1238615075 -o /tmp/evaluation-result-1545041-1238615075/solver-1545041-1238615075 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/SATzilla2007_R HOME/instance-1545041-1238615075.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: 1.00 1.00 0.96 3/64 2663
/proc/meminfo: memFree=1007864/2055920 swapFree=4176444/4192956
[pid=2663] ppid=2661 vsize=1440 CPUtime=0
/proc/2663/stat : 2663 (SATzilla2007_R) S 2661 2663 1976 0 -1 4194304 128 0 0 0 0 0 0 0 18 0 1 0 1134172919 1474560 110 1992294400 134512640 135579813 4294956224 18446744073709551615 135216413 0 0 4096 0 18446744071563356171 0 0 17 0 0 0
/proc/2663/statm: 360 110 95 260 0 84 0
[pid=2664] ppid=2663 vsize=772 CPUtime=0
/proc/2664/stat : 2664 (march_dl) R 2663 2663 1976 0 -1 4194304 108 0 0 0 0 0 0 0 18 0 1 0 1134172919 790528 100 1992294400 134512640 134996440 4294956256 18446744073709551615 134544603 0 0 8392704 0 0 0 0 17 0 0 0
/proc/2664/statm: 193 100 53 118 0 72 0

[startup+0.089913 s]
/proc/loadavg: 1.00 1.00 0.96 3/64 2663
/proc/meminfo: memFree=1007864/2055920 swapFree=4176444/4192956
[pid=2663] ppid=2661 vsize=1440 CPUtime=0
/proc/2663/stat : 2663 (SATzilla2007_R) S 2661 2663 1976 0 -1 4194304 128 0 0 0 0 0 0 0 18 0 1 0 1134172919 1474560 110 1992294400 134512640 135579813 4294956224 18446744073709551615 135216413 0 0 4096 0 18446744071563356171 0 0 17 0 0 0
/proc/2663/statm: 360 110 95 260 0 84 0
[pid=2664] ppid=2663 vsize=1128 CPUtime=0.08
/proc/2664/stat : 2664 (march_dl) R 2663 2663 1976 0 -1 4194304 212 0 0 0 8 0 0 0 18 0 1 0 1134172919 1155072 204 1992294400 134512640 134996440 4294956256 18446744073709551615 134528166 0 0 8392704 0 0 0 0 17 0 0 0
/proc/2664/statm: 282 204 74 118 0 161 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 2568

[startup+0.101914 s]
/proc/loadavg: 1.00 1.00 0.96 3/64 2663
/proc/meminfo: memFree=1007864/2055920 swapFree=4176444/4192956
[pid=2663] ppid=2661 vsize=1440 CPUtime=0
/proc/2663/stat : 2663 (SATzilla2007_R) S 2661 2663 1976 0 -1 4194304 128 0 0 0 0 0 0 0 18 0 1 0 1134172919 1474560 110 1992294400 134512640 135579813 4294956224 18446744073709551615 135216413 0 0 4096 0 18446744071563356171 0 0 17 0 0 0
/proc/2663/statm: 360 110 95 260 0 84 0
[pid=2664] ppid=2663 vsize=1128 CPUtime=0.09
/proc/2664/stat : 2664 (march_dl) R 2663 2663 1976 0 -1 4194304 213 0 0 0 9 0 0 0 18 0 1 0 1134172919 1155072 205 1992294400 134512640 134996440 4294956256 18446744073709551615 134571684 0 0 8392704 0 0 0 0 17 0 0 0
/proc/2664/statm: 282 205 74 118 0 161 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 2568

[startup+0.301934 s]
/proc/loadavg: 1.00 1.00 0.96 3/64 2663
/proc/meminfo: memFree=1007864/2055920 swapFree=4176444/4192956
[pid=2663] ppid=2661 vsize=1440 CPUtime=0
/proc/2663/stat : 2663 (SATzilla2007_R) S 2661 2663 1976 0 -1 4194304 128 0 0 0 0 0 0 0 18 0 1 0 1134172919 1474560 110 1992294400 134512640 135579813 4294956224 18446744073709551615 135216413 0 0 4096 0 18446744071563356171 0 0 17 0 0 0
/proc/2663/statm: 360 110 95 260 0 84 0
[pid=2664] ppid=2663 vsize=1128 CPUtime=0.29
/proc/2664/stat : 2664 (march_dl) R 2663 2663 1976 0 -1 4194304 224 0 0 0 29 0 0 0 19 0 1 0 1134172919 1155072 216 1992294400 134512640 134996440 4294956256 18446744073709551615 134567238 0 0 8392704 0 0 0 0 17 0 0 0
/proc/2664/statm: 282 216 74 118 0 161 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 2568

[startup+0.701975 s]
/proc/loadavg: 1.00 1.00 0.96 3/64 2663
/proc/meminfo: memFree=1007864/2055920 swapFree=4176444/4192956
[pid=2663] ppid=2661 vsize=1440 CPUtime=0
/proc/2663/stat : 2663 (SATzilla2007_R) S 2661 2663 1976 0 -1 4194304 128 0 0 0 0 0 0 0 18 0 1 0 1134172919 1474560 110 1992294400 134512640 135579813 4294956224 18446744073709551615 135216413 0 0 4096 0 18446744071563356171 0 0 17 0 0 0
/proc/2663/statm: 360 110 95 260 0 84 0
[pid=2664] ppid=2663 vsize=1128 CPUtime=0.69
/proc/2664/stat : 2664 (march_dl) R 2663 2663 1976 0 -1 4194304 229 0 0 0 69 0 0 0 23 0 1 0 1134172919 1155072 221 1992294400 134512640 134996440 4294956256 18446744073709551615 134528181 0 0 8392704 0 0 0 0 17 0 0 0
/proc/2664/statm: 282 221 74 118 0 161 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 2568

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

[startup+1.10602 s]
/proc/loadavg: 1.00 1.00 0.96 2/66 2665
/proc/meminfo: memFree=1007144/2055920 swapFree=4176444/4192956
[pid=2663] ppid=2661 vsize=1440 CPUtime=0
/proc/2663/stat : 2663 (SATzilla2007_R) S 2661 2663 1976 0 -1 4194304 128 0 0 0 0 0 0 0 18 0 1 0 1134172919 1474560 110 1992294400 134512640 135579813 4294956224 18446744073709551615 135216413 0 0 4096 0 18446744071563356171 0 0 17 0 0 0
/proc/2663/statm: 360 110 95 260 0 84 0
[pid=2664] ppid=2663 vsize=1128 CPUtime=1.1
/proc/2664/stat : 2664 (march_dl) R 2663 2663 1976 0 -1 4194304 232 0 0 0 110 0 0 0 25 0 1 0 1134172919 1155072 224 1992294400 134512640 134996440 4294956256 18446744073709551615 134567969 0 0 8392704 0 0 0 0 17 0 0 0
/proc/2664/statm: 282 224 74 118 0 161 0
Current children cumulated CPU time (s) 1.1
Current children cumulated vsize (KiB) 2568

Child status: 10
Real time (s): 1.18941
CPU time (s): 1.18782
CPU user time (s): 1.18682
CPU system time (s): 0.000999
CPU usage (%): 99.8661
Max. virtual memory (cumulated for all children) (KiB): 2568

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.18682
system time used= 0.000999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 391
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= 5
involuntary context switches= 6

runsolver used 0.006998 second user time and 0.007998 second system time

The end

Launcher Data 

Begin job on node27 at 2009-04-01 21:44:35
IDJOB=1545041
IDBENCH=70748
IDSOLVER=557
FILE ID=node27/1545041-1238615075
PBS_JOBID= 9073615
Free space on /tmp= 65720 MiB

SOLVER NAME= SAT07 reference solver: SATzilla RANDOM
BENCH NAME= SAT09/RANDOM/MEDIUM/3SAT/SATISFIABLE/360/unif-k3-r4.25-v360-c1530-S2032263657-035.cnf
COMMAND LINE= HOME/SATzilla2007_R BENCHNAME            
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1545041-1238615075/watcher-1545041-1238615075 -o /tmp/evaluation-result-1545041-1238615075/solver-1545041-1238615075 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/SATzilla2007_R HOME/instance-1545041-1238615075.cnf            

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

MD5SUM BENCH= 53f64d3919c2bd6a89e2520e3c5780bd
RANDOM SEED=714036670

node27.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		: 2800.196
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	: 5521.40
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		: 2800.196
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:       1008408 kB
Buffers:         98348 kB
Cached:         844500 kB
SwapCached:       9492 kB
Active:         221952 kB
Inactive:       732032 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1008408 kB
SwapTotal:     4192956 kB
SwapFree:      4176444 kB
Dirty:            8888 kB
Writeback:           0 kB
Mapped:          16788 kB
Slab:            79468 kB
Committed_AS:  3043460 kB
PageTables:       1380 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264948 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 65712 MiB
End job on node27 at 2009-04-01 21:44:37