Trace number 1785841

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
IUT_BMB_SAT 1.0SAT 0.12498 0.123573

General information on the benchmark

NameCRAFTED/sgi/
satsgi-n17himBHm20-p0-q146.cnf
MD5SUMa888f7c11818f92eb0f40bc8ce26728a
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.003998
Satisfiable
(Un)Satisfiability was proved
Number of variables340
Number of clauses5967
Sum of the clauses size12240
Maximum clause length20
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 25950
Number of clauses of size 30
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 517

Solver Data 

0.00/0.00	c IUT_BMB_SAT version 1.0
0.08/0.09	c WARNING: for repeatability, setting FPU to use double precision
0.08/0.09	c ============================[ Problem Statistics ]=============================
0.08/0.09	c |                                                                             |
0.08/0.09	c |  Number of variables:  340                                                  |
0.08/0.09	c |  Number of clauses:    5967                                                 |
0.08/0.09	c |  Parsing time:         0.00         s                                       |
0.08/0.11	c ============================[ Search Statistics ]==============================
0.08/0.11	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.08/0.11	c |           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
0.08/0.11	c ===============================================================================
0.08/0.11	c |         0 |     323     5627    16150 |     1875        0    nan |  0.000 % |
0.08/0.11	c ===============================================================================
0.08/0.11	c restarts              : 1
0.08/0.11	c conflicts             : 0              (0 /sec)
0.08/0.11	c decisions             : 190            (1.58 % random) (7601 /sec)
0.08/0.11	c propagations          : 323            (12922 /sec)
0.08/0.11	c conflict literals     : 0              ( nan % deleted)
0.08/0.11	c Memory used           : 2.28 MB
0.08/0.11	c CPU time              : 0.024996 s
0.08/0.11	
0.08/0.11	s SATISFIABLE
0.08/0.11	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 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-1785841-1241934890/watcher-1785841-1241934890 -o /tmp/evaluation-result-1785841-1241934890/solver-1785841-1241934890 -C 5000 -W 6000 -M 1800 IUT_BMB_SAT HOME/instance-1785841-1241934890.cnf HOME 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 5000 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 5030 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 6000 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: 0.91 0.97 0.99 3/64 30777
/proc/meminfo: memFree=1602864/2055920 swapFree=4121000/4192956
[pid=30777] ppid=30775 vsize=1420 CPUtime=0
/proc/30777/stat : 30777 (IUT_BMB_SAT) R 30775 30777 30648 0 -1 4194304 175 0 0 0 0 0 0 0 18 0 1 0 221522268 1454080 158 1992294400 134512640 135635285 4294956224 18446744073709551615 135072790 0 0 4096 0 0 0 0 17 0 0 0
/proc/30777/statm: 355 158 97 274 0 78 0

[startup+0.089764 s]
/proc/loadavg: 0.91 0.97 0.99 3/64 30777
/proc/meminfo: memFree=1602864/2055920 swapFree=4121000/4192956
[pid=30777] ppid=30775 vsize=2476 CPUtime=0.08
/proc/30777/stat : 30777 (IUT_BMB_SAT) S 30775 30777 30648 0 -1 4194304 445 0 0 0 6 2 0 0 18 0 1 0 221522268 2535424 427 1992294400 134512640 135635285 4294956224 18446744073709551615 135129070 0 65536 4102 0 18446744071563356171 0 0 17 0 0 0
/proc/30777/statm: 619 427 105 274 0 342 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 2476

[startup+0.101697 s]
/proc/loadavg: 0.91 0.97 0.99 3/64 30777
/proc/meminfo: memFree=1602864/2055920 swapFree=4121000/4192956
[pid=30777] ppid=30775 vsize=2476 CPUtime=0.08
/proc/30777/stat : 30777 (IUT_BMB_SAT) S 30775 30777 30648 0 -1 4194304 445 0 0 0 6 2 0 0 18 0 1 0 221522268 2535424 427 1992294400 134512640 135635285 4294956224 18446744073709551615 135129070 0 65536 4102 0 18446744071563356171 0 0 17 0 0 0
/proc/30777/statm: 619 427 105 274 0 342 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 2476

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

Child status: 0
Real time (s): 0.123573
CPU time (s): 0.12498
CPU user time (s): 0.097985
CPU system time (s): 0.026995
CPU usage (%): 101.139
Max. virtual memory (cumulated for all children) (KiB): 2476

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.097985
system time used= 0.026995
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1288
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= 4

runsolver used 0.001999 second user time and 0.006998 second system time

The end

Launcher Data 

Begin job on node20 at 2009-05-10 07:54:50
IDJOB=1785841
IDBENCH=71186
IDSOLVER=638
FILE ID=node20/1785841-1241934890
PBS_JOBID= 9264965
Free space on /tmp= 66392 MiB

SOLVER NAME= IUT_BMB_SAT 1.0
BENCH NAME= SAT09/CRAFTED/sgi/satsgi-n17himBHm20-p0-q146.cnf
COMMAND LINE= IUT_BMB_SAT BENCHNAME TMPDIR
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1785841-1241934890/watcher-1785841-1241934890 -o /tmp/evaluation-result-1785841-1241934890/solver-1785841-1241934890 -C 5000 -W 6000 -M 1800  IUT_BMB_SAT HOME/instance-1785841-1241934890.cnf HOME

TIME LIMIT= 5000 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 0

MD5SUM BENCH= a888f7c11818f92eb0f40bc8ce26728a
RANDOM SEED=1106770288

node20.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		: 3000.214
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	: 5931.00
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		: 3000.214
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:       1603408 kB
Buffers:         60496 kB
Cached:         256968 kB
SwapCached:      66328 kB
Active:         140916 kB
Inactive:       244560 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1603408 kB
SwapTotal:     4192956 kB
SwapFree:      4121000 kB
Dirty:            2252 kB
Writeback:           0 kB
Mapped:          13556 kB
Slab:            53132 kB
Committed_AS:   828436 kB
PageTables:       1396 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= 66388 MiB
End job on node20 at 2009-05-10 07:54:51