Trace number 1545033

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 1.08383 1.08566

General information on the benchmark

NameRANDOM/MEDIUM/3SAT/SATISFIABLE/360/
unif-k3-r4.25-v360-c1530-S1826927554-087.cnf
MD5SUM0b7c656709bcc63999a07f86368ab57c
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 

0.99/1.08	c run March_dl for 5 seconds ... 
0.99/1.08	c Bin: Executing march_dl
0.99/1.08	c child exited successfully
0.99/1.08	c march_dl returned code 10.
0.99/1.08	c main():: ***                                   [ march satisfiability solver ]                                   ***
0.99/1.08	c main()::  **            Copyright (C) 2001-2004 M. Dufour, M. Heule, J. van Zwieten and H. van Maaren            **
0.99/1.08	c main()::   * This program may be redistributed and/or modified under the terms of the GNU Gereral Public License *
0.99/1.08	c main()::
0.99/1.08	c initFormula():: searching for DIMACS p-line....
0.99/1.08	c initFormula():: the DIMACS p-line indicates a CNF of 360 variables and 1530 clauses.
0.99/1.08	c parseCNF():: parsing....
0.99/1.08	c parseCNF():: the CNF contains 0 unary clauses.
0.99/1.08	c runParser():: parsing was successful, warming up engines...
0.99/1.08	c simplify_formula():: removed 0 tautological, 8 satisfied and 0 duplicate clauses
0.99/1.08	c preprocessing fase I completed:: there are now 359 free variables and 1522 clauses.
0.99/1.08	c shorten_equivalence(): average equivalence length reduced from nan to nan
0.99/1.08	c doublelook_init():: 90% succes rate goal.
0.99/1.08	c root_subsume():: 0 ternary clauses were subsumed, nrofceq = 0
0.99/1.08	c lessRedundantTransformation():: nothing to be done.
0.99/1.08	c transformTo3SAT():: you gave me 360 variables and 1522 clauses.
0.99/1.08	c transformTo3SAT():: by the way, the maximal clause length before transformation was 3.
0.99/1.08	c transformTo3SAT():: CHAINPLUS defined.
0.99/1.08	c transformTo3SAT():: I will add 0 variables and 0 clauses!
0.99/1.08	c transformTo3SAT():: the transformation yielded 360 variabels and 1522 clauses.
0.99/1.08	c main():: clause / variable ratio: ( 1522 / 360 ) = 4.23
0.99/1.08	c doublelook_init():: 90% succes rate goal.
0.99/1.08	c AddTernaryResolvents(): ternary clauses increased from 1522 to 1627
0.99/1.08	c root_subsume():: 0 ternary clauses were subsumed, nrofceq = 0
0.99/1.08	c simplify_formula():: removed 0 tautological, 0 satisfied and 0 duplicate clauses
0.99/1.08	c check_ternary_clause_density :: high
0.99/1.08	c root full lookahead
0.99/1.08	c freevars: 359, independend: 359, ternary clauses: 1627 
0.99/1.08	c main():: all systems go!
0.99/1.08	c |----------------------------------------------------------------|
c |
0.99/1.08	c
0.99/1.08	c main():: nodeCount: 4620
0.99/1.08	c main():: dead ends in main: 124
0.99/1.08	c main():: lookAheadCount: 275954
0.99/1.08	c main():: unitResolveCount: 61714
0.99/1.08	c main():: time=1.080000
0.99/1.08	c main():: necessary_assignments: 1951
0.99/1.08	c main():: bin_sat: 0, bin_unsat 0
0.99/1.08	c main():: doublelook: #: 5722, succes #: 5128
0.99/1.08	c main():: doublelook: succesrate: 89.619, threshold: 0.244 * nrofvars
0.99/1.08	c main():: SOLUTION VERIFIED :-)
0.99/1.08	s SATISFIABLE
0.99/1.08	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
0.99/1.08	c SATZILLA_TIME=1.080000

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-1545033-1238615072/watcher-1545033-1238615072 -o /tmp/evaluation-result-1545033-1238615072/solver-1545033-1238615072 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/SATzilla2007_R HOME/instance-1545033-1238615072.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 0.94 3/76 5113
/proc/meminfo: memFree=1625512/2055920 swapFree=4173760/4192956
[pid=5113] ppid=5111 vsize=1440 CPUtime=0
/proc/5113/stat : 5113 (SATzilla2007_R) S 5111 5113 4804 0 -1 4194304 128 0 0 0 0 0 0 0 18 0 1 0 1134168385 1474560 110 1992294400 134512640 135579813 4294956224 18446744073709551615 135216413 0 0 4096 0 18446744071563356171 0 0 17 0 0 0
/proc/5113/statm: 360 110 95 260 0 84 0
[pid=5114] ppid=5113 vsize=772 CPUtime=0
/proc/5114/stat : 5114 (march_dl) R 5113 5113 4804 0 -1 4194304 110 0 0 0 0 0 0 0 18 0 1 0 1134168385 790528 102 1992294400 134512640 134996440 4294956256 18446744073709551615 134651673 0 0 8392704 0 0 0 0 17 1 0 0
/proc/5114/statm: 193 102 55 118 0 72 0

[startup+0.101755 s]
/proc/loadavg: 1.00 1.00 0.94 3/76 5113
/proc/meminfo: memFree=1625512/2055920 swapFree=4173760/4192956
[pid=5113] ppid=5111 vsize=1440 CPUtime=0
/proc/5113/stat : 5113 (SATzilla2007_R) S 5111 5113 4804 0 -1 4194304 128 0 0 0 0 0 0 0 18 0 1 0 1134168385 1474560 110 1992294400 134512640 135579813 4294956224 18446744073709551615 135216413 0 0 4096 0 18446744071563356171 0 0 17 0 0 0
/proc/5113/statm: 360 110 95 260 0 84 0
[pid=5114] ppid=5113 vsize=1108 CPUtime=0.09
/proc/5114/stat : 5114 (march_dl) R 5113 5113 4804 0 -1 4194304 218 0 0 0 9 0 0 0 18 0 1 0 1134168385 1134592 210 1992294400 134512640 134996440 4294956256 18446744073709551615 134551624 0 0 8392704 0 0 0 0 17 1 0 0
/proc/5114/statm: 277 210 74 118 0 156 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 2548

[startup+0.201762 s]
/proc/loadavg: 1.00 1.00 0.94 3/76 5113
/proc/meminfo: memFree=1625512/2055920 swapFree=4173760/4192956
[pid=5113] ppid=5111 vsize=1440 CPUtime=0
/proc/5113/stat : 5113 (SATzilla2007_R) S 5111 5113 4804 0 -1 4194304 128 0 0 0 0 0 0 0 18 0 1 0 1134168385 1474560 110 1992294400 134512640 135579813 4294956224 18446744073709551615 135216413 0 0 4096 0 18446744071563356171 0 0 17 0 0 0
/proc/5113/statm: 360 110 95 260 0 84 0
[pid=5114] ppid=5113 vsize=1108 CPUtime=0.19
/proc/5114/stat : 5114 (march_dl) R 5113 5113 4804 0 -1 4194304 223 0 0 0 19 0 0 0 18 0 1 0 1134168385 1134592 215 1992294400 134512640 134996440 4294956256 18446744073709551615 134532874 0 0 8392704 0 0 0 0 17 1 0 0
/proc/5114/statm: 277 215 74 118 0 156 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 2548

[startup+0.30177 s]
/proc/loadavg: 1.00 1.00 0.94 3/76 5113
/proc/meminfo: memFree=1625512/2055920 swapFree=4173760/4192956
[pid=5113] ppid=5111 vsize=1440 CPUtime=0
/proc/5113/stat : 5113 (SATzilla2007_R) S 5111 5113 4804 0 -1 4194304 128 0 0 0 0 0 0 0 18 0 1 0 1134168385 1474560 110 1992294400 134512640 135579813 4294956224 18446744073709551615 135216413 0 0 4096 0 18446744071563356171 0 0 17 0 0 0
/proc/5113/statm: 360 110 95 260 0 84 0
[pid=5114] ppid=5113 vsize=1108 CPUtime=0.29
/proc/5114/stat : 5114 (march_dl) R 5113 5113 4804 0 -1 4194304 225 0 0 0 29 0 0 0 19 0 1 0 1134168385 1134592 217 1992294400 134512640 134996440 4294956256 18446744073709551615 134527807 0 0 8392704 0 0 0 0 17 1 0 0
/proc/5114/statm: 277 217 74 118 0 156 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 2548

[startup+0.701804 s]
/proc/loadavg: 1.00 1.00 0.94 3/76 5113
/proc/meminfo: memFree=1625512/2055920 swapFree=4173760/4192956
[pid=5113] ppid=5111 vsize=1440 CPUtime=0
/proc/5113/stat : 5113 (SATzilla2007_R) S 5111 5113 4804 0 -1 4194304 128 0 0 0 0 0 0 0 18 0 1 0 1134168385 1474560 110 1992294400 134512640 135579813 4294956224 18446744073709551615 135216413 0 0 4096 0 18446744071563356171 0 0 17 0 0 0
/proc/5113/statm: 360 110 95 260 0 84 0
[pid=5114] ppid=5113 vsize=1108 CPUtime=0.69
/proc/5114/stat : 5114 (march_dl) R 5113 5113 4804 0 -1 4194304 229 0 0 0 69 0 0 0 22 0 1 0 1134168385 1134592 221 1992294400 134512640 134996440 4294956256 18446744073709551615 134551302 0 0 8392704 0 0 0 0 17 1 0 0
/proc/5114/statm: 277 221 74 118 0 156 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 2548

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

[startup+0.801811 s]
/proc/loadavg: 1.00 1.00 0.94 3/76 5113
/proc/meminfo: memFree=1625512/2055920 swapFree=4173760/4192956
[pid=5113] ppid=5111 vsize=1440 CPUtime=0
/proc/5113/stat : 5113 (SATzilla2007_R) S 5111 5113 4804 0 -1 4194304 128 0 0 0 0 0 0 0 18 0 1 0 1134168385 1474560 110 1992294400 134512640 135579813 4294956224 18446744073709551615 135216413 0 0 4096 0 18446744071563356171 0 0 17 0 0 0
/proc/5113/statm: 360 110 95 260 0 84 0
[pid=5114] ppid=5113 vsize=1108 CPUtime=0.79
/proc/5114/stat : 5114 (march_dl) R 5113 5113 4804 0 -1 4194304 229 0 0 0 79 0 0 0 23 0 1 0 1134168385 1134592 221 1992294400 134512640 134996440 4294956256 18446744073709551615 134527828 0 0 8392704 0 0 0 0 17 1 0 0
/proc/5114/statm: 277 221 74 118 0 156 0
Current children cumulated CPU time (s) 0.79
Current children cumulated vsize (KiB) 2548

[startup+1.00183 s]
/proc/loadavg: 1.00 1.00 0.94 3/76 5113
/proc/meminfo: memFree=1625512/2055920 swapFree=4173760/4192956
[pid=5113] ppid=5111 vsize=1440 CPUtime=0
/proc/5113/stat : 5113 (SATzilla2007_R) S 5111 5113 4804 0 -1 4194304 128 0 0 0 0 0 0 0 18 0 1 0 1134168385 1474560 110 1992294400 134512640 135579813 4294956224 18446744073709551615 135216413 0 0 4096 0 18446744071563356171 0 0 17 0 0 0
/proc/5113/statm: 360 110 95 260 0 84 0
[pid=5114] ppid=5113 vsize=1108 CPUtime=0.99
/proc/5114/stat : 5114 (march_dl) R 5113 5113 4804 0 -1 4194304 231 0 0 0 99 0 0 0 25 0 1 0 1134168385 1134592 223 1992294400 134512640 134996440 4294956256 18446744073709551615 134537942 0 0 8392704 0 0 0 0 17 1 0 0
/proc/5114/statm: 277 223 74 118 0 156 0
Current children cumulated CPU time (s) 0.99
Current children cumulated vsize (KiB) 2548

Child status: 10
Real time (s): 1.08566
CPU time (s): 1.08383
CPU user time (s): 1.08383
CPU system time (s): 0
CPU usage (%): 99.8323
Max. virtual memory (cumulated for all children) (KiB): 2548

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.08384
system time used= 0
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 390
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= 4

runsolver used 0.006998 second user time and 0.008998 second system time

The end

Launcher Data 

Begin job on node65 at 2009-04-01 21:44:32
IDJOB=1545033
IDBENCH=70744
IDSOLVER=557
FILE ID=node65/1545033-1238615072
PBS_JOBID= 9073583
Free space on /tmp= 66316 MiB

SOLVER NAME= SAT07 reference solver: SATzilla RANDOM
BENCH NAME= SAT09/RANDOM/MEDIUM/3SAT/SATISFIABLE/360/unif-k3-r4.25-v360-c1530-S1826927554-087.cnf
COMMAND LINE= HOME/SATzilla2007_R BENCHNAME            
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1545033-1238615072/watcher-1545033-1238615072 -o /tmp/evaluation-result-1545033-1238615072/solver-1545033-1238615072 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/SATzilla2007_R HOME/instance-1545033-1238615072.cnf            

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

MD5SUM BENCH= 0b7c656709bcc63999a07f86368ab57c
RANDOM SEED=1851202305

node65.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		: 3000.231
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		: 3000.231
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:       1625992 kB
Buffers:         89884 kB
Cached:         251000 kB
SwapCached:       9792 kB
Active:         210452 kB
Inactive:       141748 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1625992 kB
SwapTotal:     4192956 kB
SwapFree:      4173760 kB
Dirty:            8464 kB
Writeback:           0 kB
Mapped:          16952 kB
Slab:            62512 kB
Committed_AS:  3581328 kB
PageTables:       2316 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= 66308 MiB
End job on node65 at 2009-04-01 21:44:33