Trace number 1807641

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
minisat2-core 070721SAT 28.4017 28.4094

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	This is MiniSat 2.0 beta
0.00/0.00	WARNING: for repeatability, setting FPU to use double precision
0.00/0.00	============================[ Problem Statistics ]=============================
0.00/0.00	|                                                                             |
0.00/0.00	|  Number of variables:  360                                                  |
0.00/0.00	|  Number of clauses:    15466                                                |
0.00/0.00	|  Parsing time:         0.00         s                                       |
0.00/0.00	============================[ Search Statistics ]==============================
0.00/0.00	| Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.00/0.00	|           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
0.00/0.00	===============================================================================
0.00/0.00	|         0 |     360    15466    31256 |     5155        0    nan |  0.000 % |
0.00/0.01	|       102 |     360    15466    31256 |     5670      102     59 |  0.001 % |
0.00/0.01	|       255 |     360    15466    31256 |     6237      255     67 |  0.001 % |
0.00/0.02	|       483 |     360    15466    31256 |     6861      483     71 |  0.001 % |
0.00/0.04	|       820 |     360    15466    31256 |     7547      820     77 |  0.001 % |
0.00/0.07	|      1329 |     360    15466    31256 |     8302     1329     81 |  0.001 % |
0.09/0.16	|      2091 |     360    15466    31256 |     9132     2091     84 |  0.001 % |
0.29/0.36	|      3231 |     360    15466    31256 |    10046     3231     86 |  0.001 % |
0.69/0.71	|      4939 |     360    15466    31256 |    11050     4939     85 |  0.001 % |
1.39/1.45	|      7501 |     360    15466    31256 |    12156     7501     84 |  0.001 % |
2.69/2.79	|     11348 |     360    15466    31256 |    13371    11348     81 |  0.001 % |
4.49/4.52	|     17115 |     360    15466    31256 |    14708    10345     73 |  0.001 % |
8.38/8.48	|     25765 |     360    15466    31256 |    16179    11547     83 |  0.001 % |
12.79/12.86	|     38739 |     360    15466    31256 |    17797    16331     81 |  0.001 % |
20.98/21.06	|     58200 |     360    15466    31256 |    19577    17860     87 |  0.001 % |
28.39/28.40	===============================================================================
28.39/28.40	restarts              : 15
28.39/28.40	conflicts             : 75610          (2664 /sec)
28.39/28.40	decisions             : 99449          (1.12 % random) (3504 /sec)
28.39/28.40	propagations          : 3286819        (115820 /sec)
28.39/28.40	conflict literals     : 6352725        (12.10 % deleted)
28.39/28.40	Memory used           : 12.82 MB
28.39/28.40	CPU time              : 28.3787 s
28.39/28.40	
28.39/28.40	s SATISFIABLE
28.39/28.40	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-1807641-1242159860/watcher-1807641-1242159860 -o /tmp/evaluation-result-1807641-1242159860/solver-1807641-1242159860 -C 1200 -W 1800 -M 1800 minisat_static HOME/instance-1807641-1242159860.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
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 0.99 0.97 0.99 3/64 14972
/proc/meminfo: memFree=1665184/2055920 swapFree=4179768/4192956
[pid=14972] ppid=14970 vsize=2188 CPUtime=0
/proc/14972/stat : 14972 (minisat_static) R 14970 14972 14870 0 -1 4194304 225 0 0 0 0 0 0 0 18 0 1 0 244013835 2240512 210 1992294400 134512640 135213614 4294956256 18446744073709551615 134515411 0 0 4096 3 0 0 0 17 1 0 0
/proc/14972/statm: 547 210 58 171 0 373 0

[startup+0.084802 s]
/proc/loadavg: 0.99 0.97 0.99 3/64 14972
/proc/meminfo: memFree=1665184/2055920 swapFree=4179768/4192956
[pid=14972] ppid=14970 vsize=3004 CPUtime=0.08
/proc/14972/stat : 14972 (minisat_static) R 14970 14972 14870 0 -1 4194304 439 0 0 0 8 0 0 0 18 0 1 0 244013835 3076096 424 1992294400 134512640 135213614 4294956256 18446744073709551615 134526967 0 0 4096 3 0 0 0 17 1 0 0
/proc/14972/statm: 751 425 77 171 0 577 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 3004

[startup+0.101802 s]
/proc/loadavg: 0.99 0.97 0.99 3/64 14972
/proc/meminfo: memFree=1665184/2055920 swapFree=4179768/4192956
[pid=14972] ppid=14970 vsize=3136 CPUtime=0.09
/proc/14972/stat : 14972 (minisat_static) R 14970 14972 14870 0 -1 4194304 459 0 0 0 9 0 0 0 18 0 1 0 244013835 3211264 444 1992294400 134512640 135213614 4294956256 18446744073709551615 134526878 0 0 4096 3 0 0 0 17 1 0 0
/proc/14972/statm: 784 444 77 171 0 610 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 3136

[startup+0.301823 s]
/proc/loadavg: 0.99 0.97 0.99 3/64 14972
/proc/meminfo: memFree=1665184/2055920 swapFree=4179768/4192956
[pid=14972] ppid=14970 vsize=3664 CPUtime=0.29
/proc/14972/stat : 14972 (minisat_static) R 14970 14972 14870 0 -1 4194304 614 0 0 0 29 0 0 0 19 0 1 0 244013835 3751936 599 1992294400 134512640 135213614 4294956256 18446744073709551615 134536228 0 0 4096 3 0 0 0 17 1 0 0
/proc/14972/statm: 916 599 77 171 0 742 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 3664

[startup+0.701863 s]
/proc/loadavg: 0.99 0.97 0.99 3/64 14972
/proc/meminfo: memFree=1665184/2055920 swapFree=4179768/4192956
[pid=14972] ppid=14970 vsize=4588 CPUtime=0.69
/proc/14972/stat : 14972 (minisat_static) R 14970 14972 14870 0 -1 4194304 832 0 0 0 69 0 0 0 22 0 1 0 244013835 4698112 817 1992294400 134512640 135213614 4294956256 18446744073709551615 134526878 0 0 4096 3 0 0 0 17 1 0 0
/proc/14972/statm: 1147 817 77 171 0 973 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 4588

[startup+1.50194 s]
/proc/loadavg: 0.99 0.97 0.99 2/65 14973
/proc/meminfo: memFree=1661784/2055920 swapFree=4179768/4192956
[pid=14972] ppid=14970 vsize=5668 CPUtime=1.49
/proc/14972/stat : 14972 (minisat_static) R 14970 14972 14870 0 -1 4194304 1108 0 0 0 149 0 0 0 25 0 1 0 244013835 5804032 1093 1992294400 134512640 135213614 4294956256 18446744073709551615 134526976 0 0 4096 3 0 0 0 17 1 0 0
/proc/14972/statm: 1417 1093 77 171 0 1243 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 5668

[startup+3.10111 s]
/proc/loadavg: 0.99 0.97 0.99 2/65 14973
/proc/meminfo: memFree=1660184/2055920 swapFree=4179768/4192956
[pid=14972] ppid=14970 vsize=7416 CPUtime=3.09
/proc/14972/stat : 14972 (minisat_static) R 14970 14972 14870 0 -1 4194304 1534 0 0 0 309 0 0 0 25 0 1 0 244013835 7593984 1519 1992294400 134512640 135213614 4294956256 18446744073709551615 134526976 0 0 4096 3 0 0 0 17 1 0 0
/proc/14972/statm: 1854 1519 77 171 0 1680 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 7416

[startup+6.30143 s]
/proc/loadavg: 0.99 0.97 0.99 2/65 14973
/proc/meminfo: memFree=1658136/2055920 swapFree=4179768/4192956
[pid=14972] ppid=14970 vsize=8492 CPUtime=6.29
/proc/14972/stat : 14972 (minisat_static) R 14970 14972 14870 0 -1 4194304 1806 0 0 0 629 0 0 0 25 0 1 0 244013835 8695808 1791 1992294400 134512640 135213614 4294956256 18446744073709551615 134526976 0 0 4096 3 0 0 0 17 1 0 0
/proc/14972/statm: 2123 1791 77 171 0 1949 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 8492

[startup+12.7011 s]
/proc/loadavg: 0.99 0.97 0.99 2/65 14973
/proc/meminfo: memFree=1656344/2055920 swapFree=4179768/4192956
[pid=14972] ppid=14970 vsize=10408 CPUtime=12.69
/proc/14972/stat : 14972 (minisat_static) R 14970 14972 14870 0 -1 4194304 2266 0 0 0 1268 1 0 0 25 0 1 0 244013835 10657792 2251 1992294400 134512640 135213614 4294956256 18446744073709551615 134526864 0 0 4096 3 0 0 0 17 1 0 0
/proc/14972/statm: 2602 2251 77 171 0 2428 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 10408

[startup+25.5014 s]
/proc/loadavg: 0.99 0.97 0.99 2/65 14973
/proc/meminfo: memFree=1654040/2055920 swapFree=4179768/4192956
[pid=14972] ppid=14970 vsize=12676 CPUtime=25.48
/proc/14972/stat : 14972 (minisat_static) R 14970 14972 14870 0 -1 4194304 2815 0 0 0 2547 1 0 0 25 0 1 0 244013835 12980224 2800 1992294400 134512640 135213614 4294956256 18446744073709551615 134526976 0 0 4096 3 0 0 0 17 1 0 0
/proc/14972/statm: 3169 2800 77 171 0 2995 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 12676

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

[startup+27.1015 s]
/proc/loadavg: 0.99 0.97 0.99 2/65 14973
/proc/meminfo: memFree=1653848/2055920 swapFree=4179768/4192956
[pid=14972] ppid=14970 vsize=12976 CPUtime=27.09
/proc/14972/stat : 14972 (minisat_static) R 14970 14972 14870 0 -1 4194304 2885 0 0 0 2707 2 0 0 25 0 1 0 244013835 13287424 2870 1992294400 134512640 135213614 4294956256 18446744073709551615 134526976 0 0 4096 3 0 0 0 17 1 0 0
/proc/14972/statm: 3244 2870 77 171 0 3070 0
Current children cumulated CPU time (s) 27.09
Current children cumulated vsize (KiB) 12976

[startup+27.9016 s]
/proc/loadavg: 0.99 0.97 0.99 2/65 14973
/proc/meminfo: memFree=1653720/2055920 swapFree=4179768/4192956
[pid=14972] ppid=14970 vsize=13120 CPUtime=27.89
/proc/14972/stat : 14972 (minisat_static) R 14970 14972 14870 0 -1 4194304 2896 0 0 0 2787 2 0 0 25 0 1 0 244013835 13434880 2881 1992294400 134512640 135213614 4294956256 18446744073709551615 134526878 0 0 4096 3 0 0 0 17 1 0 0
/proc/14972/statm: 3280 2881 77 171 0 3106 0
Current children cumulated CPU time (s) 27.89
Current children cumulated vsize (KiB) 13120

[startup+28.3017 s]
/proc/loadavg: 0.99 0.97 0.99 2/65 14973
/proc/meminfo: memFree=1653720/2055920 swapFree=4179768/4192956
[pid=14972] ppid=14970 vsize=13120 CPUtime=28.29
/proc/14972/stat : 14972 (minisat_static) R 14970 14972 14870 0 -1 4194304 2897 0 0 0 2827 2 0 0 25 0 1 0 244013835 13434880 2882 1992294400 134512640 135213614 4294956256 18446744073709551615 134536992 0 0 4096 3 0 0 0 17 1 0 0
/proc/14972/statm: 3280 2882 77 171 0 3106 0
Current children cumulated CPU time (s) 28.29
Current children cumulated vsize (KiB) 13120

[startup+28.4017 s]
/proc/loadavg: 0.99 0.97 0.99 2/65 14973
/proc/meminfo: memFree=1653720/2055920 swapFree=4179768/4192956
[pid=14972] ppid=14970 vsize=13120 CPUtime=28.39
/proc/14972/stat : 14972 (minisat_static) R 14970 14972 14870 0 -1 4194304 2897 0 0 0 2837 2 0 0 25 0 1 0 244013835 13434880 2882 1992294400 134512640 135213614 4294956256 18446744073709551615 134526976 0 0 4096 3 0 0 0 17 1 0 0
/proc/14972/statm: 3280 2882 77 171 0 3106 0
Current children cumulated CPU time (s) 28.39
Current children cumulated vsize (KiB) 13120

Child status: 10
Real time (s): 28.4094
CPU time (s): 28.4017
CPU user time (s): 28.3787
CPU system time (s): 0.022996
CPU usage (%): 99.9727
Max. virtual memory (cumulated for all children) (KiB): 13120

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 28.3787
system time used= 0.022996
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2910
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= 2
involuntary context switches= 91

runsolver used 0.013997 second user time and 0.077988 second system time

The end

Launcher Data 

Begin job on node45 at 2009-05-12 22:24:20
IDJOB=1807641
IDBENCH=71801
IDSOLVER=651
FILE ID=node45/1807641-1242159860
PBS_JOBID= 9289752
Free space on /tmp= 66212 MiB

SOLVER NAME= minisat2-core 070721
BENCH NAME= SAT09/CRAFTED/sgi/new-difficult-20-152-18-95.cnf
COMMAND LINE= minisat_static BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1807641-1242159860/watcher-1807641-1242159860 -o /tmp/evaluation-result-1807641-1242159860/solver-1807641-1242159860 -C 1200 -W 1800 -M 1800  minisat_static HOME/instance-1807641-1242159860.cnf

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

MD5SUM BENCH= c56a1400f0bd9306a380dfa6653baa1d
RANDOM SEED=1907209991

node45.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:       1665664 kB
Buffers:         49104 kB
Cached:         258720 kB
SwapCached:       6948 kB
Active:          69820 kB
Inactive:       246264 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1665664 kB
SwapTotal:     4192956 kB
SwapFree:      4179768 kB
Dirty:             968 kB
Writeback:           0 kB
Mapped:          13988 kB
Slab:            60204 kB
Committed_AS:   884628 kB
PageTables:       1376 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= 66208 MiB
End job on node45 at 2009-05-12 22:24:48