Trace number 3158140

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
csls prob-4coresSAT 0.026995 0.010666

General information on the benchmark

Namerandom/medium/
unif-k3-r4.26-v450-c1917-S222128792-011.SATISFIABLE.cnf
MD5SUMafacdefc4a366ba0b827e7e74ce8af4c
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.007998
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 Input seed 259256555 used seed: 259256555
0.00/0.01	s SATISFIABLE
0.00/0.01	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 -361 362 -363 -364 -365 366 -367 368 -369 370 -371 -372 373 -374 375 376 -377 378 -379 -380 -381 382 -383 -384 -385 -386 387 -388 -389 -390 -391 -392 -393 -394 -395 396 -397 398 399 400 -401 402 -403 -404 -405 -406 407 -408 409 -410 -411 -412 413 414 -415 416 417 418 -419 -420 421 422 -423 424 425 -426 427 -428 -429 430 431 -432 -433 434 -435 -436 -437 438 439 -440 441 442 443 -444 445 -446 447 448 -449 -450 0
0.00/0.01	c Min false clauses Core[0]: 4
0.00/0.01	c Min false clauses Core[1]: 2
0.00/0.01	c Min false clauses Core[2]: 5
0.00/0.01	c Min false clauses Core[3]: 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-3158140-1304101509/watcher-3158140-1304101509 -o /tmp/evaluation-result-3158140-1304101509/solver-3158140-1304101509 -C 4800 -W 1300 -M 15500 HOME/csls-prob -maxcores 4 HOME/instance-3158140-1304101509.cnf 4 259256555 

running on 4 cores: 1,3,5,7

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 4800 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 4830 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 1300 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: 3.53 5.51 6.94 7/179 3900
/proc/meminfo: memFree=24796096/32951124 swapFree=67111348/67111528
[pid=3900] ppid=3898 vsize=128604 CPUtime=0 cores=1,3,5,7
/proc/3900/stat : 3900 (csls-prob) R 3898 3900 3860 0 -1 4202496 769 0 0 0 0 0 0 0 22 0 4 0 600381394 131690496 677 33554432000 4194304 4563014 140736333979488 18446744073709551615 4449421 0 0 4096 16384 18446744073709551615 0 0 17 3 0 0 0
/proc/3900/statm: 32151 680 336 91 0 27669 0
[pid=3900/tid=3902] ppid=3898 vsize=128604 CPUtime=0 cores=1,3,5,7
/proc/3900/task/3902/stat : 3902 (csls-prob) R 3898 3900 3860 0 -1 4202560 69 0 0 0 0 0 0 0 24 0 4 0 600381394 131690496 690 33554432000 4194304 4563014 140736333979488 18446744073709551615 252458065723 0 0 4096 16384 0 0 0 -1 1 0 0 0
[pid=3900/tid=3903] ppid=3898 vsize=128604 CPUtime=0 cores=1,3,5,7
/proc/3900/task/3903/stat : 3903 (csls-prob) R 3898 3900 3860 0 -1 4202560 86 0 0 0 0 0 0 0 24 0 4 0 600381394 131690496 690 33554432000 4194304 4563014 140736333979488 18446744073709551615 252458065723 0 0 4096 16384 0 0 0 -1 5 0 0 0
[pid=3900/tid=3904] ppid=3898 vsize=128604 CPUtime=0 cores=1,3,5,7
/proc/3900/task/3904/stat : 3904 (csls-prob) R 3898 3900 3860 0 -1 4202560 95 0 0 0 0 0 0 0 24 0 4 0 600381394 131690496 692 33554432000 4194304 4563014 140736333979488 18446744073709551615 252457720816 0 0 4096 16384 0 0 0 -1 5 0 0 0

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

Child status: 0
Real time (s): 0.010666
CPU time (s): 0.026995
CPU user time (s): 0.026995
CPU system time (s): 0
CPU usage (%): 253.094
Max. virtual memory (cumulated for all children) (KiB): 0

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.026995
system time used= 0
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 865
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= 41
involuntary context switches= 6

runsolver used 0.002999 second user time and 0.002999 second system time

The end

Launcher Data 

Begin job on node111 at 2011-04-29 20:25:09
IDJOB=3158140
IDBENCH=82963
IDSOLVER=1568
FILE ID=node111/3158140-1304101509
RUNJOBID= node111-1304101509-3879
PBS_JOBID= 13170629
Free space on /tmp= 70896 MiB

SOLVER NAME= csls prob-4cores
BENCH NAME= SAT11/random/medium/unif-k3-r4.26-v450-c1917-S222128792-011.SATISFIABLE.cnf
COMMAND LINE= HOME/csls-prob -maxcores 4 BENCHNAME NBCORE RANDOMSEED
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3158140-1304101509/watcher-3158140-1304101509 -o /tmp/evaluation-result-3158140-1304101509/solver-3158140-1304101509 -C 4800 -W 1300 -M 15500  HOME/csls-prob -maxcores 4 HOME/instance-3158140-1304101509.cnf 4 259256555

TIME LIMIT= 4800 seconds
MEMORY LIMIT= 15500 MiB
NBCORE= 4

MD5SUM BENCH= afacdefc4a366ba0b827e7e74ce8af4c
RANDOM SEED=259256555

node111.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		: 2666.849
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	: 5333.69
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		: 2666.849
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	: 5428.12
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		: 2666.849
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		: 2666.849
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	: 5332.86
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		: 2666.849
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	: 5332.75
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		: 2666.849
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	: 5332.83
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		: 2666.849
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	: 5332.67
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		: 2666.849
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:      24796500 kB
Buffers:       1282748 kB
Cached:        6316596 kB
SwapCached:        124 kB
Active:        3272244 kB
Inactive:      4391664 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951124 kB
LowFree:      24796500 kB
SwapTotal:    67111528 kB
SwapFree:     67111348 kB
Dirty:             900 kB
Writeback:          12 kB
AnonPages:       64632 kB
Mapped:          15244 kB
Slab:           425284 kB
PageTables:       4552 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587088 kB
Committed_AS:   230924 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= 70896 MiB
End job on node111 at 2011-04-29 20:25:09