Trace number 1807637

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
SatElite + ReVivAl 0.23 2009-03-18SAT 0.788879 0.791239

General information on the benchmark

NameCRAFTED/sgi/
new-difficult-20-152-18-95.cnf
MD5SUMc56a1400f0bd9306a380dfa6653baa1d
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.788879
Satisfiable
(Un)Satisfiability was proved
Number of variables360
Number of clauses15466
Sum of the clauses size31256
Maximum clause length20
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 215448
Number of clauses of size 30
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 518

Solver Data 

0.00/0.00	c revival is preprocessing the formula...#ITERATIONS 1
0.09/0.12	#LEARNT CLAUSES 0
0.09/0.13	done !
0.09/0.13	c Now, SatElite...
0.09/0.13	c Parsing...
0.09/0.14	c ==============================================================================
0.09/0.14	c |           |     ORIGINAL     |              LEARNT              |          |
0.09/0.14	c | Conflicts | Clauses Literals |   Limit Clauses Literals  Lit/Cl | Progress |
0.09/0.14	c ==============================================================================
0.09/0.14	c |         0 |   15466    31256 |    4639       0        0     nan |  0.000 % |
0.09/0.16	c |         0 |   15106    39730 |      --       0       --      -- |     --   | -360/8474
0.09/0.16	c ==============================================================================
0.09/0.16	c Result  :   #vars: 342   #clauses: 15106   #literals: 39730
0.09/0.16	c CPU time:   0.029995 s
0.09/0.16	c ==============================================================================
0.09/0.18	c SatElite is done !
0.09/0.18	c Calling MINISAT
0.09/0.18	This is MiniSat 2.0 beta
0.09/0.18	WARNING: for repeatability, setting FPU to use double precision
0.09/0.18	============================[ Problem Statistics ]=============================
0.09/0.18	|                                                                             |
0.09/0.18	|  Number of variables:  342                                                  |
0.09/0.18	|  Number of clauses:    15106                                                |
0.09/0.19	|  Parsing time:         0.01         s                                       |
0.09/0.19	============================[ Search Statistics ]==============================
0.09/0.19	| Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.09/0.19	|           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
0.09/0.19	===============================================================================
0.09/0.19	|         0 |     342    15106    39730 |     5035        0    nan |  0.000 % |
0.09/0.19	|       101 |     342    15106    39730 |     5538      101     72 |  0.001 % |
0.17/0.20	|       254 |     342    15106    39730 |     6092      254     76 |  0.001 % |
0.17/0.21	|       486 |     342    15106    39730 |     6702      486     82 |  0.001 % |
0.17/0.23	|       823 |     342    15106    39730 |     7372      823     87 |  0.001 % |
0.17/0.27	|      1329 |     342    15106    39730 |     8109     1329     87 |  0.001 % |
0.17/0.36	|      2089 |     342    15106    39730 |     8920     2089     89 |  0.001 % |
0.17/0.50	|      3228 |     342    15106    39730 |     9812     3228     87 |  0.001 % |
0.17/0.78	===============================================================================
0.17/0.78	restarts              : 8
0.17/0.78	conflicts             : 4555           (7606 /sec)
0.17/0.78	decisions             : 8268           (1.37 % random) (13805 /sec)
0.17/0.78	propagations          : 224721         (375218 /sec)
0.17/0.78	conflict literals     : 389187         (11.69 % deleted)
0.17/0.78	Memory used           : 4.38 MB
0.17/0.78	CPU time              : 0.598908 s
0.17/0.78	
0.17/0.78	SATISFIABLE
0.17/0.78	c SatElite Model extension...
0.17/0.79	s SATISFIABLE
0.17/0.79	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

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-1807637-1242159854/watcher-1807637-1242159854 -o /tmp/evaluation-result-1807637-1242159854/solver-1807637-1242159854 -C 1200 -W 1800 -M 1800 HOME/run.sh HOME/instance-1807637-1242159854.cnf HOME 

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
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 0.99 0.98 0.99 3/65 5666
/proc/meminfo: memFree=1623040/2055920 swapFree=4179916/4192956
[pid=5666] ppid=5664 vsize=5360 CPUtime=0
/proc/5666/stat : 5666 (run.sh) S 5664 5666 5566 0 -1 4194304 287 0 0 0 0 0 0 0 18 0 1 0 244018108 5488640 237 1992294400 4194304 4889804 548682068784 18446744073709551615 228774699844 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/5666/statm: 1340 237 196 169 0 51 0
[pid=5667] ppid=5666 vsize=1784 CPUtime=0
/proc/5667/stat : 5667 (revival) R 5666 5666 5566 0 -1 4194304 209 0 0 0 0 0 0 0 19 0 1 0 244018108 1826816 175 1992294400 134512640 134537284 4294956368 18446744073709551615 134519704 0 0 4096 0 0 0 0 17 0 0 0
/proc/5667/statm: 446 175 82 6 0 84 0

[startup+0.0874681 s]
/proc/loadavg: 0.99 0.98 0.99 3/65 5666
/proc/meminfo: memFree=1623040/2055920 swapFree=4179916/4192956
[pid=5666] ppid=5664 vsize=5360 CPUtime=0
/proc/5666/stat : 5666 (run.sh) S 5664 5666 5566 0 -1 4194304 287 0 0 0 0 0 0 0 18 0 1 0 244018108 5488640 237 1992294400 4194304 4889804 548682068784 18446744073709551615 228774699844 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/5666/statm: 1340 237 196 169 0 51 0
[pid=5667] ppid=5666 vsize=2048 CPUtime=0.08
/proc/5667/stat : 5667 (revival) R 5666 5666 5566 0 -1 4194304 310 0 0 0 8 0 0 0 19 0 1 50000 244018108 2097152 232 1992294400 134512640 134537284 4294956368 18446744073709551615 134531213 0 0 4096 8192 0 0 0 17 0 0 0
/proc/5667/statm: 512 232 85 6 0 150 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 7408

[startup+0.101469 s]
/proc/loadavg: 0.99 0.98 0.99 3/65 5666
/proc/meminfo: memFree=1623040/2055920 swapFree=4179916/4192956
[pid=5666] ppid=5664 vsize=5360 CPUtime=0
/proc/5666/stat : 5666 (run.sh) S 5664 5666 5566 0 -1 4194304 287 0 0 0 0 0 0 0 18 0 1 0 244018108 5488640 237 1992294400 4194304 4889804 548682068784 18446744073709551615 228774699844 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/5666/statm: 1340 237 196 169 0 51 0
[pid=5667] ppid=5666 vsize=2048 CPUtime=0.09
/proc/5667/stat : 5667 (revival) R 5666 5666 5566 0 -1 4194304 310 0 0 0 9 0 0 0 19 0 1 50000 244018108 2097152 232 1992294400 134512640 134537284 4294956368 18446744073709551615 134524000 0 0 4096 8192 0 0 0 17 0 0 0
/proc/5667/statm: 512 232 85 6 0 150 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 7408

[startup+0.301493 s]
/proc/loadavg: 0.99 0.98 0.99 3/65 5666
/proc/meminfo: memFree=1623040/2055920 swapFree=4179916/4192956
[pid=5666] ppid=5664 vsize=5360 CPUtime=0.17
/proc/5666/stat : 5666 (run.sh) S 5664 5666 5566 0 -1 4194304 341 734 0 0 0 0 17 0 16 0 1 0 244018108 5488640 241 1992294400 4194304 4889804 548682068784 18446744073709551615 228774699844 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/5666/statm: 1340 241 197 169 0 51 0
Current children cumulated CPU time (s) 0.17
Current children cumulated vsize (KiB) 5360

[startup+0.701538 s]
/proc/loadavg: 0.99 0.98 0.99 3/65 5666
/proc/meminfo: memFree=1623040/2055920 swapFree=4179916/4192956
[pid=5666] ppid=5664 vsize=5360 CPUtime=0.17
/proc/5666/stat : 5666 (run.sh) S 5664 5666 5566 0 -1 4194304 341 734 0 0 0 0 17 0 16 0 1 0 244018108 5488640 241 1992294400 4194304 4889804 548682068784 18446744073709551615 228774699844 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/5666/statm: 1340 241 197 169 0 51 0
Current children cumulated CPU time (s) 0.17
Current children cumulated vsize (KiB) 5360

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

Child status: 10
Real time (s): 0.791239
CPU time (s): 0.788879
CPU user time (s): 0.778881
CPU system time (s): 0.009998
CPU usage (%): 99.7017
Max. virtual memory (cumulated for all children) (KiB): 7408

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.778881
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= 2032
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= 13
involuntary context switches= 18

runsolver used 0.006998 second user time and 0.004999 second system time

The end

Launcher Data 

Begin job on node74 at 2009-05-12 22:24:14
IDJOB=1807637
IDBENCH=71801
IDSOLVER=647
FILE ID=node74/1807637-1242159854
PBS_JOBID= 9289749
Free space on /tmp= 102960 MiB

SOLVER NAME= SatElite + ReVivAl 0.23 2009-03-18
BENCH NAME= SAT09/CRAFTED/sgi/new-difficult-20-152-18-95.cnf
COMMAND LINE= HOME/run.sh BENCHNAME TMPDIR
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1807637-1242159854/watcher-1807637-1242159854 -o /tmp/evaluation-result-1807637-1242159854/solver-1807637-1242159854 -C 1200 -W 1800 -M 1800  HOME/run.sh HOME/instance-1807637-1242159854.cnf HOME

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

MD5SUM BENCH= c56a1400f0bd9306a380dfa6653baa1d
RANDOM SEED=1431107849

node74.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		: 3000.233
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		: 3000.233
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:       1623584 kB
Buffers:         42648 kB
Cached:         321608 kB
SwapCached:       6140 kB
Active:          30956 kB
Inactive:       341844 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1623584 kB
SwapTotal:     4192956 kB
SwapFree:      4179916 kB
Dirty:            1588 kB
Writeback:           0 kB
Mapped:          14240 kB
Slab:            45428 kB
Committed_AS:   916436 kB
PageTables:       1444 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264960 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 102956 MiB
End job on node74 at 2009-05-12 22:24:15