Trace number 3094904

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
MPhaseSAT64 2011-03-03SAT 0.904861 0.905803

General information on the benchmark

Namerandom/medium/
unif-k3-r4.26-v600-c2556-S373048162-052.SATISFIABLE.cnf
MD5SUM7a11fe5a7b45a740269507e820ccb021
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.011997
Satisfiable
(Un)Satisfiability was proved
Number of variables600
Number of clauses2556
Sum of the clauses size7668
Maximum clause length3
Minimum clause length3
Number of clauses of size 10
Number of clauses of size 20
Number of clauses of size 32556
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data 

0.89/0.90	c MPhaseSAT64 version 402 by Jingchao Chen,  April 1,2011
0.89/0.90	c input CNF file=HOME/instance-3094904-1301753776.cnf 
0.89/0.90	c Clause#=2556  var#=600  ratio=4 
0.89/0.90	c Simplified clause#=2556 
0.89/0.90	c XOR_varElimination deleted var#=1 clauses#=2555 
0.89/0.90	c inative var#=0 
0.89/0.90	c free var#=580  
0.89/0.90	c local search on 
0.89/0.90	c A solution found by local search 
0.89/0.90	c unfixed var#=20 var#=600 
0.89/0.90	c verified 
0.89/0.90	c 
0.89/0.90	s SATISFIABLE
0.89/0.90	v 1 -2 -3 -4 5 -6 -7 -8 9 10 -11 12 -13 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 -240 242 -243 -244 -245 246 -247 248 -249 250 -251 252 253 254 255 256 -257 -258 -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 -403 404 405 407 408 409 410 -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 -449 450 451 -452 -453 454 -455 456 457 458 459 460 -461 -462 463 -464 -465 -466 467 -468 -469 -470 -471 -472 -473 474 -475 -476 477 -478 479 480 481 -482 -483 484 -485 -486 -487 488 -489 -490 491 492 -493 -494 -495 496 497 -498 -499 -500 -501 502 503 504 -505 -506 -507 -508 509 510 511 512 -513 514 -515 516 -517 518 -519 520 521 522 -523 -524 525 526 -527 528 529 -530 531 532 533 -534 -535 536 537 538 -539 -540 541 542 -543 544 -545 546 547 548 549 550 552 -553 -554 555 -556 -557 -558 559 -560 -561 562 563 564 -565 -566 567 -568 -569 -570 -571 -572 -573 574 -575 576 577 -579 -580 -581 582 583 -584 585 -586 587 -588 -589 -590 -591 592 593 -594 595 596 -597 -598 599 600 
0.89/0.90	v 0
0.89/0.90	c 
0.89/0.90	c  Running time=0.903862

Verifier Data 

OK

Watcher Data 

runsolver Copyright (C) 2010 Olivier ROUSSEL

This is runsolver version 3.3.0 (svn: 893)

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-3094904-1301753776/watcher-3094904-1301753776 -o /tmp/evaluation-result-3094904-1301753776/solver-3094904-1301753776 -C 2400 -W 1300 -M 7680 MPhaseSAT64 HOME/instance-3094904-1301753776.cnf 

running on 2 cores: 1,3

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 2400 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 2430 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 1300 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 7864320 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 7915520 KiB
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 4.00 4.00 3.94 3/187 1533
/proc/meminfo: memFree=27234052/32950928 swapFree=67102716/67111528
[pid=1533] ppid=1531 vsize=3068 CPUtime=0 cores=1,3
/proc/1533/stat : 1533 (MPhaseSAT64) R 1531 1533 735 0 -1 4202496 323 0 0 0 0 0 0 0 25 0 1 0 286974675 3141632 262 33554432000 134512640 134761588 4289073328 18446744073709551615 4294960144 0 0 4096 1026 0 0 0 17 1 0 0 0
/proc/1533/statm: 767 262 225 61 0 70 0

[startup+0.0382631 s]
/proc/loadavg: 4.00 4.00 3.94 3/187 1533
/proc/meminfo: memFree=27234052/32950928 swapFree=67102716/67111528
[pid=1533] ppid=1531 vsize=3596 CPUtime=0.03 cores=1,3
/proc/1533/stat : 1533 (MPhaseSAT64) R 1531 1533 735 0 -1 4202496 528 0 0 0 3 0 0 0 25 0 1 0 286974675 3682304 466 33554432000 134512640 134761588 4289073328 18446744073709551615 134673054 0 0 4096 1026 0 0 0 17 1 0 0 0
/proc/1533/statm: 899 466 273 61 0 202 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 3596

[startup+0.100234 s]
/proc/loadavg: 4.00 4.00 3.94 3/187 1533
/proc/meminfo: memFree=27234052/32950928 swapFree=67102716/67111528
[pid=1533] ppid=1531 vsize=3856 CPUtime=0.09 cores=1,3
/proc/1533/stat : 1533 (MPhaseSAT64) R 1531 1533 735 0 -1 4202496 593 0 0 0 9 0 0 0 25 0 1 0 286974675 3948544 531 33554432000 134512640 134761588 4289073328 18446744073709551615 134747194 0 0 4096 1026 0 0 0 17 1 0 0 0
/proc/1533/statm: 964 531 273 61 0 267 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 3856

[startup+0.300204 s]
/proc/loadavg: 4.00 4.00 3.94 3/187 1533
/proc/meminfo: memFree=27234052/32950928 swapFree=67102716/67111528
[pid=1533] ppid=1531 vsize=4884 CPUtime=0.29 cores=1,3
/proc/1533/stat : 1533 (MPhaseSAT64) R 1531 1533 735 0 -1 4202496 853 0 0 0 29 0 0 0 25 0 1 0 286974675 5001216 791 33554432000 134512640 134761588 4289073328 18446744073709551615 134748223 0 0 4096 1026 0 0 0 17 1 0 0 0
/proc/1533/statm: 1221 791 274 61 0 524 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 4884

[startup+0.701118 s]
/proc/loadavg: 4.00 4.00 3.94 3/187 1533
/proc/meminfo: memFree=27234052/32950928 swapFree=67102716/67111528
[pid=1533] ppid=1531 vsize=5556 CPUtime=0.69 cores=1,3
/proc/1533/stat : 1533 (MPhaseSAT64) R 1531 1533 735 0 -1 4202496 1143 0 0 0 69 0 0 0 25 0 1 0 286974675 5689344 959 33554432000 134512640 134761588 4289073328 18446744073709551615 134636892 0 0 4096 1026 0 0 0 17 1 0 0 0
/proc/1533/statm: 1389 959 274 61 0 692 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 5556

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

[startup+0.901077 s]
/proc/loadavg: 4.00 4.00 3.94 3/187 1533
/proc/meminfo: memFree=27234052/32950928 swapFree=67102716/67111528
[pid=1533] ppid=1531 vsize=5556 CPUtime=0.89 cores=1,3
/proc/1533/stat : 1533 (MPhaseSAT64) R 1531 1533 735 0 -1 4202496 1146 0 0 0 89 0 0 0 25 0 1 0 286974675 5689344 962 33554432000 134512640 134761588 4289073328 18446744073709551615 134605386 0 0 4096 1026 0 0 0 17 1 0 0 0
/proc/1533/statm: 1389 962 277 61 0 692 0
Current children cumulated CPU time (s) 0.89
Current children cumulated vsize (KiB) 5556

Child status: 10
Real time (s): 0.905803
CPU time (s): 0.904861
CPU user time (s): 0.902862
CPU system time (s): 0.001999
CPU usage (%): 99.896
Max. virtual memory (cumulated for all children) (KiB): 5812

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.902862
system time used= 0.001999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1156
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= 6
involuntary context switches= 2

runsolver used 0.003999 second user time and 0.007998 second system time

The end

Launcher Data 

Begin job on node148 at 2011-04-02 16:16:16
IDJOB=3094904
IDBENCH=82786
IDSOLVER=1521
FILE ID=node148/3094904-1301753776
RUNJOBID= node148-1301748567-756
PBS_JOBID= 12840992
Free space on /tmp= 71700 MiB

SOLVER NAME= MPhaseSAT64 2011-03-03
BENCH NAME= SAT11/random/medium/unif-k3-r4.26-v600-c2556-S373048162-052.SATISFIABLE.cnf
COMMAND LINE= MPhaseSAT64 BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3094904-1301753776/watcher-3094904-1301753776 -o /tmp/evaluation-result-3094904-1301753776/solver-3094904-1301753776 -C 2400 -W 1300 -M 7680  MPhaseSAT64 HOME/instance-3094904-1301753776.cnf

TIME LIMIT= 2400 seconds
MEMORY LIMIT= 7680 MiB
NBCORE= 2

MD5SUM BENCH= 7a11fe5a7b45a740269507e820ccb021
RANDOM SEED=190658218

node148.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		: 2666.854
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	: 5333.70
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		: 2666.854
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		: 2666.854
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	: 5332.83
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		: 2666.854
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	: 5332.75
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		: 2666.854
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	: 5332.82
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		: 2666.854
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		: 2666.854
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	: 5332.82
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		: 2666.854
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	: 5332.74
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]


/proc/meminfo:
MemTotal:     32950928 kB
MemFree:      27234208 kB
Buffers:        275436 kB
Cached:        5150076 kB
SwapCached:       4876 kB
Active:        2013164 kB
Inactive:      3480616 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32950928 kB
LowFree:      27234208 kB
SwapTotal:    67111528 kB
SwapFree:     67102716 kB
Dirty:             808 kB
Writeback:           0 kB
AnonPages:       64860 kB
Mapped:          16192 kB
Slab:           160920 kB
PageTables:       5228 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83586992 kB
Committed_AS:   267640 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= 71700 MiB
End job on node148 at 2011-04-02 16:16:17