Trace number 3220819

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 0.005998 0.00615512

General information on the benchmark

Namerandom/medium/
unif-k3-r4.26-v450-c1917-S1915396418-078.SATISFIABLE.cnf
MD5SUM6f66bb3f92a8c8e75d9af481af0c129f
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.005998
Satisfiable
(Un)Satisfiability was proved
Number of variables450
Number of clauses1917
Sum of the clauses size5751
Maximum clause length3
Minimum clause length3
Number of clauses of size 10
Number of clauses of size 20
Number of clauses of size 31917
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data 

0.00/0.00	c 
0.00/0.00	c UBCSAT version 1.2-sparrow2011 (based on BETA 1.2-b10) SAT11 Sparrow Build
0.00/0.00	c 
0.00/0.00	c http://www.satlib.org/ubcsat
0.00/0.00	c 
0.00/0.00	c ubcsat -h for help
0.00/0.00	c 
0.00/0.00	s SATISFIABLE
0.00/0.00	v  1 2 3 4 5 6 -7 -8 9 -10
0.00/0.00	v  11 12 13 -14 -15 16 17 18 -19 20
0.00/0.00	v  -21 22 -23 -24 25 -26 -27 -28 29 30
0.00/0.00	v  -31 -32 33 34 35 36 -37 38 39 -40
0.00/0.00	v  -41 -42 -43 44 -45 -46 47 48 49 50
0.00/0.00	v  51 -52 -53 54 55 -56 57 -58 -59 60
0.00/0.00	v  61 -62 63 64 65 66 -67 68 69 -70
0.00/0.00	v  -71 -72 73 -74 -75 -76 77 -78 -79 80
0.00/0.00	v  -81 -82 83 84 85 86 -87 88 -89 -90
0.00/0.00	v  -91 92 -93 94 -95 -96 -97 -98 -99 100
0.00/0.00	v  -101 102 103 -104 105 -106 107 108 -109 -110
0.00/0.00	v  111 -112 113 114 115 116 117 118 -119 -120
0.00/0.00	v  -121 -122 -123 -124 -125 -126 127 -128 129 -130
0.00/0.00	v  -131 132 133 134 135 -136 -137 -138 139 140
0.00/0.00	v  -141 -142 -143 -144 -145 -146 147 -148 149 150
0.00/0.00	v  151 -152 -153 -154 155 -156 -157 -158 159 -160
0.00/0.00	v  -161 -162 -163 164 165 166 -167 -168 169 170
0.00/0.00	v  171 172 173 -174 -175 176 177 178 -179 180
0.00/0.00	v  181 -182 -183 -184 185 186 -187 188 189 -190
0.00/0.00	v  -191 192 -193 -194 195 196 -197 -198 199 200
0.00/0.00	v  201 202 203 204 -205 -206 -207 -208 -209 210
0.00/0.00	v  211 212 -213 214 -215 -216 217 -218 -219 -220
0.00/0.00	v  -221 -222 -223 -224 -225 226 227 228 229 -230
0.00/0.00	v  -231 -232 -233 234 235 -236 -237 -238 239 240
0.00/0.00	v  241 -242 243 -244 245 246 -247 -248 249 -250
0.00/0.00	v  -251 252 253 254 255 256 257 258 259 260
0.00/0.00	v  -261 -262 263 264 -265 266 -267 268 -269 -270
0.00/0.00	v  271 272 273 -274 275 276 -277 278 279 -280
0.00/0.00	v  -281 -282 283 284 -285 286 -287 -288 289 -290
0.00/0.00	v  -291 292 -293 294 -295 296 -297 -298 299 300
0.00/0.00	v  -301 -302 303 -304 -305 306 -307 -308 -309 -310
0.00/0.00	v  -311 -312 313 314 -315 -316 317 318 319 320
0.00/0.00	v  321 -322 323 -324 325 -326 -327 328 -329 -330
0.00/0.00	v  -331 332 -333 334 335 336 337 -338 339 340
0.00/0.00	v  -341 342 -343 -344 -345 346 347 348 349 -350
0.00/0.00	v  -351 352 -353 -354 355 356 357 358 -359 360
0.00/0.00	v  -361 -362 -363 364 365 -366 367 368 -369 -370
0.00/0.00	v  -371 -372 373 -374 375 376 -377 378 379 380
0.00/0.00	v  381 382 383 -384 385 -386 -387 388 389 -390
0.00/0.00	v  391 392 393 394 395 -396 397 398 -399 -400
0.00/0.00	v  401 -402 403 -404 -405 406 -407 408 409 -410
0.00/0.00	v  -411 -412 -413 414 -415 416 -417 418 419 -420
0.00/0.00	v  -421 422 423 424 -425 426 427 428 429 -430
0.00/0.00	v  -431 -432 -433 434 435 -436 -437 -438 439 -440
0.00/0.00	v  -441 -442 -443 444 445 446 447 448 449 -450
0.00/0.00	v  0
0.00/0.00	c SearchSteps = 7041
0.00/0.00	c SolveTime = 0

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-3220819-1303274302/watcher-3220819-1303274302 -o /tmp/evaluation-result-3220819-1303274302/solver-3220819-1303274302 -C 5000 -W 5000 -M 15500 sparrow2011 HOME/instance-3220819-1303274302.cnf 1587130346 

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: 2.00 2.00 2.00 2/177 12848
/proc/meminfo: memFree=18331240/32951124 swapFree=67111528/67111528
[pid=12848] ppid=12846 vsize=12228 CPUtime=0 cores=0,2,4,6
/proc/12848/stat : 12848 (sparrow2011) R 12846 12848 11615 0 -1 4202496 414 0 0 0 0 0 0 0 25 0 1 0 439030612 12521472 355 33554432000 4194304 4568220 140733433926128 18446744073709551615 4239682 0 0 4096 0 0 0 0 17 4 0 0 0
/proc/12848/statm: 3057 355 173 92 0 1441 0

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

Child status: 10
Real time (s): 0.00615512
CPU time (s): 0.005998
CPU user time (s): 0.004999
CPU system time (s): 0.000999
CPU usage (%): 97.4473
Max. virtual memory (cumulated for all children) (KiB): 0

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.004999
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= 432
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 0.002999 second user time and 0.003999 second system time

The end

Launcher Data 

Begin job on node106 at 2011-04-20 06:38:22
IDJOB=3220819
IDBENCH=82820
IDSOLVER=1636
FILE ID=node106/3220819-1303274302
RUNJOBID= node106-1303259275-11633
PBS_JOBID= 13049515
Free space on /tmp= 72084 MiB

SOLVER NAME= sparrow2011 sparrow2011_ubcsat1.2_2011-03-02
BENCH NAME= SAT11/random/medium/unif-k3-r4.26-v450-c1917-S1915396418-078.SATISFIABLE.cnf
COMMAND LINE= sparrow2011 BENCHNAME RANDOMSEED
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3220819-1303274302/watcher-3220819-1303274302 -o /tmp/evaluation-result-3220819-1303274302/solver-3220819-1303274302 -C 5000 -W 5000 -M 15500  sparrow2011 HOME/instance-3220819-1303274302.cnf 1587130346

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

MD5SUM BENCH= 6f66bb3f92a8c8e75d9af481af0c129f
RANDOM SEED=1587130346

node106.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		: 2666.830
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	: 5333.66
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		: 2666.830
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	: 5226.20
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		: 2666.830
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	: 5332.75
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		: 2666.830
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		: 2666.830
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		: 2666.830
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	: 5332.75
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		: 2666.830
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		: 2666.830
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:      18331388 kB
Buffers:        756536 kB
Cached:       13450124 kB
SwapCached:          0 kB
Active:        8170652 kB
Inactive:      6101404 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951124 kB
LowFree:      18331388 kB
SwapTotal:    67111528 kB
SwapFree:     67111528 kB
Dirty:            1268 kB
Writeback:           0 kB
AnonPages:       64792 kB
Mapped:          15484 kB
Slab:           285832 kB
PageTables:       4756 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587088 kB
Committed_AS:   217280 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= 72084 MiB
End job on node106 at 2011-04-20 06:38:22