Trace number 3095788

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
MPhaseSAT_M 2011-02-16SAT 0.928858 0.929824

General information on the benchmark

Namerandom/medium/
unif-k3-r4.26-v450-c1917-S2088689288-085.SATISFIABLE.cnf
MD5SUM7ba801e5e19de5d13bce0ebc43b52968
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.012998
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 

0.89/0.92	c MPhaseSAT_M version 401 suited for random catagory by Jingchao Chen,  April 1,2011 
0.89/0.92	c input CNF file=HOME/instance-3095788-1301759232.cnf 
0.89/0.92	c Clause#=1917  var#=450  ratio=4 
0.89/0.92	c Simplified clause#=1917 
0.89/0.92	c XOR_varElimination deleted var#=1 clauses#=1902 
0.89/0.92	c inative var#=0 
0.89/0.92	c free var#=437  
0.89/0.92	c local search on 
0.89/0.92	c A solution found by local search 
0.89/0.92	c unfixed var#=11 var#=450 
0.89/0.92	c verified 
0.89/0.92	c 
0.89/0.92	s SATISFIABLE
0.89/0.92	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 -147 149 150 -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 
0.89/0.92	v 0
0.89/0.92	c 
0.89/0.92	c  Running time=0.927859

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-3095788-1301759232/watcher-3095788-1301759232 -o /tmp/evaluation-result-3095788-1301759232/solver-3095788-1301759232 -C 2400 -W 1300 -M 7680 MPhaseSAT_M HOME/instance-3095788-1301759232.cnf 

running on 2 cores: 0,2

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 3.92 4/189 13046
/proc/meminfo: memFree=18344192/32950928 swapFree=67111528/67111528
[pid=13046] ppid=13044 vsize=3224 CPUtime=0 cores=0,2
/proc/13046/stat : 13046 (MPhaseSAT_M) R 13044 13046 11923 0 -1 4202496 374 0 0 0 0 0 0 0 25 0 1 0 366153898 3301376 313 33554432000 134512640 134829744 4289535408 18446744073709551615 3634684 0 0 4096 1026 0 0 0 17 0 0 0 0
/proc/13046/statm: 806 313 238 78 0 92 0

[startup+0.01532 s]
/proc/loadavg: 4.00 4.00 3.92 4/189 13046
/proc/meminfo: memFree=18344192/32950928 swapFree=67111528/67111528
[pid=13046] ppid=13044 vsize=3492 CPUtime=0.01 cores=0,2
/proc/13046/stat : 13046 (MPhaseSAT_M) R 13044 13046 11923 0 -1 4202496 453 0 0 0 1 0 0 0 25 0 1 0 366153898 3575808 392 33554432000 134512640 134829744 4289535408 18446744073709551615 134699616 0 0 4096 1026 0 0 0 17 0 0 0 0
/proc/13046/statm: 873 392 266 78 0 159 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 3492

[startup+0.100304 s]
/proc/loadavg: 4.00 4.00 3.92 4/189 13046
/proc/meminfo: memFree=18344192/32950928 swapFree=67111528/67111528
[pid=13046] ppid=13044 vsize=3624 CPUtime=0.09 cores=0,2
/proc/13046/stat : 13046 (MPhaseSAT_M) R 13044 13046 11923 0 -1 4202496 510 0 0 0 9 0 0 0 25 0 1 0 366153898 3710976 449 33554432000 134512640 134829744 4289535408 18446744073709551615 134669139 0 0 4096 1026 0 0 0 17 0 0 0 0
/proc/13046/statm: 906 449 271 78 0 192 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 3624

[startup+0.300267 s]
/proc/loadavg: 4.00 4.00 3.92 4/189 13046
/proc/meminfo: memFree=18344192/32950928 swapFree=67111528/67111528
[pid=13046] ppid=13044 vsize=3888 CPUtime=0.29 cores=0,2
/proc/13046/stat : 13046 (MPhaseSAT_M) R 13044 13046 11923 0 -1 4202496 559 0 0 0 29 0 0 0 25 0 1 0 366153898 3981312 498 33554432000 134512640 134829744 4289535408 18446744073709551615 134661432 0 0 4096 1026 0 0 0 17 0 0 0 0
/proc/13046/statm: 972 498 271 78 0 258 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 3888

[startup+0.700191 s]
/proc/loadavg: 4.00 4.00 3.92 4/189 13046
/proc/meminfo: memFree=18344192/32950928 swapFree=67111528/67111528
[pid=13046] ppid=13044 vsize=4152 CPUtime=0.69 cores=0,2
/proc/13046/stat : 13046 (MPhaseSAT_M) R 13044 13046 11923 0 -1 4202496 639 0 0 0 69 0 0 0 25 0 1 0 366153898 4251648 578 33554432000 134512640 134829744 4289535408 18446744073709551615 134661446 0 0 4096 1026 0 0 0 17 0 0 0 0
/proc/13046/statm: 1038 578 271 78 0 324 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 4152

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

[startup+0.901155 s]
/proc/loadavg: 4.00 4.00 3.92 4/189 13046
/proc/meminfo: memFree=18344192/32950928 swapFree=67111528/67111528
[pid=13046] ppid=13044 vsize=4416 CPUtime=0.89 cores=0,2
/proc/13046/stat : 13046 (MPhaseSAT_M) R 13044 13046 11923 0 -1 4202496 681 0 0 0 89 0 0 0 25 0 1 0 366153898 4521984 620 33554432000 134512640 134829744 4289535408 18446744073709551615 134604501 0 0 4096 1026 0 0 0 17 0 0 0 0
/proc/13046/statm: 1104 620 274 78 0 390 0
Current children cumulated CPU time (s) 0.89
Current children cumulated vsize (KiB) 4416

Child status: 10
Real time (s): 0.929824
CPU time (s): 0.928858
CPU user time (s): 0.926859
CPU system time (s): 0.001999
CPU usage (%): 99.8961
Max. virtual memory (cumulated for all children) (KiB): 4416

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.926859
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= 695
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= 6

runsolver used 0.002999 second user time and 0.007998 second system time

The end

Launcher Data 

Begin job on node115 at 2011-04-02 17:47:12
IDJOB=3095788
IDBENCH=83070
IDSOLVER=1522
FILE ID=node115/3095788-1301759232
RUNJOBID= node115-1301757117-11941
PBS_JOBID= 12841079
Free space on /tmp= 71368 MiB

SOLVER NAME= MPhaseSAT_M 2011-02-16
BENCH NAME= SAT11/random/medium/unif-k3-r4.26-v450-c1917-S2088689288-085.SATISFIABLE.cnf
COMMAND LINE= MPhaseSAT_M BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3095788-1301759232/watcher-3095788-1301759232 -o /tmp/evaluation-result-3095788-1301759232/solver-3095788-1301759232 -C 2400 -W 1300 -M 7680  MPhaseSAT_M HOME/instance-3095788-1301759232.cnf

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

MD5SUM BENCH= 7ba801e5e19de5d13bce0ebc43b52968
RANDOM SEED=1205198156

node115.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		: 2666.811
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	: 5333.62
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		: 2666.811
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	: 5226.15
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		: 2666.811
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		: 2666.811
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		: 2666.811
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	: 5332.77
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		: 2666.811
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	: 5332.74
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		: 2666.811
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		: 2666.811
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:      18344224 kB
Buffers:        398092 kB
Cached:       13698448 kB
SwapCached:          0 kB
Active:        9383436 kB
Inactive:      4917112 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32950928 kB
LowFree:      18344224 kB
SwapTotal:    67111528 kB
SwapFree:     67111528 kB
Dirty:             628 kB
Writeback:           0 kB
AnonPages:      203940 kB
Mapped:          17220 kB
Slab:           241728 kB
PageTables:       5536 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83586992 kB
Committed_AS:   409368 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= 71368 MiB
End job on node115 at 2011-04-02 17:47:13