Trace number 3222295

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
sparrow2011 sparrow2011_ubcsat1.2_2011-03-02SAT 0.05999 0.0604549

General information on the benchmark

Namerandom/medium/
unif-k3-r4.26-v500-c2130-S1280860344-022.SATISFIABLE.cnf
MD5SUM52f4c2549736f42ae4f40e4dd45d91d0
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.013997
Satisfiable
(Un)Satisfiability was proved
Number of variables500
Number of clauses2130
Sum of the clauses size6390
Maximum clause length3
Minimum clause length3
Number of clauses of size 10
Number of clauses of size 20
Number of clauses of size 32130
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data 

0.00/0.06	c 
0.00/0.06	c UBCSAT version 1.2-sparrow2011 (based on BETA 1.2-b10) SAT11 Sparrow Build
0.00/0.06	c 
0.00/0.06	c http://www.satlib.org/ubcsat
0.00/0.06	c 
0.00/0.06	c ubcsat -h for help
0.00/0.06	c 
0.00/0.06	s SATISFIABLE
0.00/0.06	v  1 -2 3 -4 5 6 7 8 -9 -10
0.00/0.06	v  -11 12 -13 14 15 -16 -17 18 -19 20
0.00/0.06	v  21 -22 23 -24 -25 26 27 -28 29 30
0.00/0.06	v  -31 32 33 34 -35 36 37 38 -39 40
0.00/0.06	v  41 42 43 -44 -45 -46 -47 -48 49 -50
0.00/0.06	v  51 -52 53 54 55 -56 -57 -58 59 60
0.00/0.06	v  61 -62 -63 64 65 -66 67 -68 69 70
0.00/0.06	v  71 72 73 74 -75 -76 -77 -78 79 80
0.00/0.06	v  81 82 83 -84 -85 -86 87 -88 89 90
0.00/0.06	v  91 92 93 -94 -95 96 97 98 99 100
0.00/0.06	v  101 -102 -103 -104 105 106 -107 -108 -109 110
0.00/0.06	v  -111 -112 113 114 115 -116 117 118 -119 120
0.00/0.06	v  121 -122 -123 -124 -125 126 127 -128 -129 130
0.00/0.06	v  131 -132 133 -134 -135 136 -137 -138 139 140
0.00/0.06	v  -141 142 -143 144 145 146 147 148 149 150
0.00/0.06	v  151 152 153 -154 155 156 157 158 -159 160
0.00/0.06	v  -161 162 163 164 165 -166 167 168 169 -170
0.00/0.06	v  -171 172 -173 174 -175 -176 177 -178 -179 180
0.00/0.06	v  -181 -182 -183 -184 -185 186 -187 -188 189 190
0.00/0.06	v  191 192 -193 194 195 196 -197 198 -199 200
0.00/0.06	v  -201 202 203 204 205 206 207 208 -209 -210
0.00/0.06	v  211 -212 -213 -214 215 -216 217 -218 219 220
0.00/0.06	v  221 -222 223 -224 -225 -226 -227 228 229 -230
0.00/0.06	v  -231 -232 233 -234 235 236 237 238 239 -240
0.00/0.06	v  -241 -242 -243 244 -245 246 247 248 -249 250
0.00/0.06	v  -251 252 253 -254 -255 256 -257 258 -259 260
0.00/0.06	v  261 262 -263 264 -265 266 267 268 -269 -270
0.00/0.06	v  -271 -272 273 274 275 276 277 -278 -279 -280
0.00/0.06	v  281 -282 -283 284 -285 286 -287 -288 289 -290
0.00/0.06	v  -291 -292 -293 -294 -295 -296 297 -298 -299 300
0.00/0.06	v  301 -302 -303 -304 -305 -306 307 308 309 310
0.00/0.06	v  -311 -312 -313 -314 315 -316 -317 -318 -319 -320
0.00/0.06	v  321 -322 323 324 -325 -326 327 328 -329 -330
0.00/0.06	v  -331 332 333 -334 335 -336 337 338 -339 340
0.00/0.06	v  -341 342 343 -344 -345 -346 347 348 349 350
0.00/0.06	v  -351 -352 353 354 355 356 -357 -358 -359 -360
0.00/0.06	v  361 -362 363 -364 365 -366 367 368 369 -370
0.00/0.06	v  -371 372 -373 -374 -375 -376 -377 -378 379 380
0.00/0.06	v  -381 -382 383 384 385 386 -387 -388 389 390
0.00/0.06	v  -391 392 -393 394 -395 -396 397 398 -399 400
0.00/0.06	v  401 402 -403 -404 405 406 407 408 409 410
0.00/0.06	v  411 412 -413 -414 -415 -416 417 418 -419 420
0.00/0.06	v  -421 422 423 -424 425 -426 427 -428 429 -430
0.00/0.06	v  431 432 433 434 435 -436 -437 438 439 440
0.00/0.06	v  -441 442 443 -444 -445 -446 -447 -448 449 450
0.00/0.06	v  451 452 -453 -454 -455 456 457 458 459 -460
0.00/0.06	v  461 462 463 -464 -465 -466 -467 -468 -469 470
0.00/0.06	v  -471 472 473 474 475 476 477 478 -479 -480
0.00/0.06	v  -481 482 -483 -484 -485 -486 -487 -488 -489 490
0.00/0.06	v  491 492 493 -494 -495 -496 -497 -498 -499 500
0.00/0.06	v  0
0.00/0.06	c SearchSteps = 107121
0.00/0.06	c SolveTime = 0.05

Verifier Data 

OK

Watcher Data 

runsolver Copyright (C) 2010-2011 Olivier ROUSSEL

This is runsolver version 3.3.0 (svn: 935)

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-3222295-1303307350/watcher-3222295-1303307350 -o /tmp/evaluation-result-3222295-1303307350/solver-3222295-1303307350 -C 5000 -W 5000 -M 15500 sparrow2011 HOME/instance-3222295-1303307350.cnf 1657859914 

running on 4 cores: 0,2,4,6

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): 5000 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 15872000 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 15923200 KiB
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 1.84 1.97 1.99 2/175 29273
/proc/meminfo: memFree=24256316/32951124 swapFree=67111528/67111528
[pid=29273] ppid=29271 vsize=12228 CPUtime=0 cores=0,2,4,6
/proc/29273/stat : 29273 (sparrow2011) R 29271 29273 29034 0 -1 4202496 420 0 0 0 0 0 0 0 25 0 1 0 174926220 12521472 360 33554432000 4194304 4568220 140736346113712 18446744073709551615 4476121 0 0 4096 0 0 0 0 17 0 0 0 0
/proc/29273/statm: 3057 360 173 92 0 1441 0

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

Child status: 10
Real time (s): 0.0604549
CPU time (s): 0.05999
CPU user time (s): 0.058991
CPU system time (s): 0.000999
CPU usage (%): 99.231
Max. virtual memory (cumulated for all children) (KiB): 0

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.058991
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= 438
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= 1

runsolver used 0.003999 second user time and 0.002999 second system time

The end

Launcher Data 

Begin job on node107 at 2011-04-20 15:49:10
IDJOB=3222295
IDBENCH=83066
IDSOLVER=1636
FILE ID=node107/3222295-1303307350
RUNJOBID= node107-1303302347-29052
PBS_JOBID= 13049634
Free space on /tmp= 72588 MiB

SOLVER NAME= sparrow2011 sparrow2011_ubcsat1.2_2011-03-02
BENCH NAME= SAT11/random/medium/unif-k3-r4.26-v500-c2130-S1280860344-022.SATISFIABLE.cnf
COMMAND LINE= sparrow2011 BENCHNAME RANDOMSEED
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3222295-1303307350/watcher-3222295-1303307350 -o /tmp/evaluation-result-3222295-1303307350/solver-3222295-1303307350 -C 5000 -W 5000 -M 15500  sparrow2011 HOME/instance-3222295-1303307350.cnf 1657859914

TIME LIMIT= 5000 seconds
MEMORY LIMIT= 15500 MiB
NBCORE= 4

MD5SUM BENCH= 52f4c2549736f42ae4f40e4dd45d91d0
RANDOM SEED=1657859914

node107.alineos.net Linux 2.6.18-164.el5 #1 SMP Thu Sep 3 03:28:30 EDT 2009

/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.829
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 0
cpu cores	: 4
apicid		: 0
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5333.65
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.829
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 0
cpu cores	: 4
apicid		: 16
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.75
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 2
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.829
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 1
cpu cores	: 4
apicid		: 2
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.67
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 3
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.829
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 1
cpu cores	: 4
apicid		: 18
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.82
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 4
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.829
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 2
cpu cores	: 4
apicid		: 4
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.74
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 5
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.829
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 2
cpu cores	: 4
apicid		: 20
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5359.47
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 6
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.829
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 3
cpu cores	: 4
apicid		: 6
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.75
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 7
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.829
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 3
cpu cores	: 4
apicid		: 22
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.83
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]


/proc/meminfo:
MemTotal:     32951124 kB
MemFree:      24256588 kB
Buffers:        596952 kB
Cached:        7779484 kB
SwapCached:          0 kB
Active:        5241960 kB
Inactive:      3198264 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951124 kB
LowFree:      24256588 kB
SwapTotal:    67111528 kB
SwapFree:     67111528 kB
Dirty:             432 kB
Writeback:           0 kB
AnonPages:       63960 kB
Mapped:          14976 kB
Slab:           191508 kB
PageTables:       4668 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587088 kB
Committed_AS:   213920 kB
VmallocTotal: 34359738367 kB
VmallocUsed:    296008 kB
VmallocChunk: 34359440975 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 72588 MiB
End job on node107 at 2011-04-20 15:49:10