Trace number 3495121

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
OptimuS p100_sourceUNSAT 2.01469 2.01542

General information on the benchmark

NameAPPLICATIONS/
bitverif/minand/minand016.cnf
MD5SUM56200f8200488a8766f2e8612caefee3
Bench CategoryAPPLICATION (applications instances)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark1.40679
Satisfiable
(Un)Satisfiability was proved
Number of variables1359
Number of clauses3788
Sum of the clauses size8836
Maximum clause length3
Minimum clause length1
Number of clauses of size 12
Number of clauses of size 22524
Number of clauses of size 31262
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data 

1.99/2.01	c - Reading the instance.. OK! Totally clauses:     3788; Vars:     1359; Time: 0.00
1.99/2.01	c - Unit propagation..     OK! Removed clauses:       26;                 Time: 0.00
1.99/2.01	c - Delete by resolution.. OK! Removed clauses:      798;                 Time: 0.05
1.99/2.01	c   - Solving the original instance..
1.99/2.01	c     - OK - UNSAT! Continue to clause elimination..
1.99/2.01	c   - round:    1;   Skips in previous round:    0
1.99/2.01	c     - clauses done:  1%; among them skipped: 0.00%;
1.99/2.01	c     - clauses done: 10%; among them skipped: 0.00%;
1.99/2.01	c     - clauses done: 20%; among them skipped: 0.00%;
1.99/2.01	c     - clauses done: 30%; among them skipped: 0.00%;
1.99/2.01	c     - clauses done: 40%; among them skipped: 0.00%;
1.99/2.01	c     - clauses done: 50%; among them skipped: 0.00%;
1.99/2.01	c     - clauses done: 60%; among them skipped: 0.00%;
1.99/2.01	c     - clauses done: 70%; among them skipped: 0.00%;
1.99/2.01	c     - clauses done: 80%; among them skipped: 0.00%;
1.99/2.01	c     - clauses done: 90%; among them skipped: 0.00%;
1.99/2.01	c     - clauses done: 99%; among them skipped: 0.00%;
1.99/2.01	c - Finish! Unsat core size: 1995 / 3788; Time: 2.01 s
1.99/2.01	c - ---------------------------------------------------------------------------
1.99/2.01	c - Statistics: |    unit   |    BCE    | sat-saved | sat-check | unsat-check |
1.99/2.01	c -             |      26   |     806   |    1208   |     787   |     961     |
1.99/2.01	c - ---------------------------------------------------------------------------
1.99/2.01	s UNSATISFIABLE
1.99/2.01	v 3 4 6 7 8 9 10 11 13 15 18 19 20 23 24 25 26 28 30 33 36 37 38 40 41 45 47 48 49 51 52 53 55 57 60 63 64 65 67 68 72 74 75 78 79 80 82 83 85 86 88 89 90 91 92 94 96 99 102 103 104 106 107 111 112 113 117 119 120 121 123 124 125 127 129 132 135 136 137 139 140 144 145 146 150 152 153 156 157 158 160 161 163 164 166 167 169 170 172 173 174 175 176 178 180 183 186 187 188 190 191 195 196 197 201 202 203 207 209 210 211 213 214 215 217 219 222 225 226 227 229 230 234 235 236 240 241 242 246 248 249 252 253 254 256 257 259 260 262 263 265 266 268 269 271 272 274 275 276 277 278 280 282 285 288 289 290 292 293 297 298 299 303 304 305 309 310 311 315 317 318 319 321 322 323 325 327 330 333 334 335 337 338 342 343 344 348 349 350 354 355 356 360 362 363 366 367 368 370 371 373 374 376 377 379 380 382 383 385 386 388 389 391 392 394 395 396 397 398 400 402 405 408 409 410 412 413 417 418 419 423 424 425 429 430 431 435 436 437 441 443 444 445 447 448 449 451 453 456 459 460 461 463 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Verifier Data 

OK	1995

Watcher Data 

runsolver Copyright (C) 2010-2011 Olivier ROUSSEL

This is runsolver version 3.3.1 (svn: 988)

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-3495121-1307805457/watcher-3495121-1307805457 -o /tmp/evaluation-result-3495121-1307805457/solver-3495121-1307805457 -C 1800 -W 1850 -M 7680 OptimuS_release HOME/instance-3495121-1307805457.cnf 

running on 2 cores: 0,2

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1800 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1830 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 1850 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 3.84 3.47 5/189 28601
/proc/meminfo: memFree=20656852/32950904 swapFree=67055440/67111528
[pid=28601] ppid=28599 vsize=20412 CPUtime=0 cores=0,2
/proc/28601/stat : 28601 (OptimuS_release) R 28599 28601 27643 0 -1 4202496 687 0 0 0 0 0 0 0 25 0 1 0 892145506 20901888 622 33554432000 4194304 4279399 140733200401296 18446744073709551615 4221595 0 0 4096 8388610 0 0 0 17 0 0 0 0
/proc/28601/statm: 5103 622 238 21 0 1740 0

[startup+0.0724251 s]
/proc/loadavg: 4.00 3.84 3.47 5/189 28601
/proc/meminfo: memFree=20656852/32950904 swapFree=67055440/67111528
[pid=28601] ppid=28599 vsize=20408 CPUtime=0.07 cores=0,2
/proc/28601/stat : 28601 (OptimuS_release) R 28599 28601 27643 0 -1 4202496 893 0 0 0 7 0 0 0 25 0 1 0 892145506 20897792 827 33554432000 4194304 4279399 140733200401296 18446744073709551615 4259163 0 0 4096 8388610 0 0 0 17 0 0 0 0
/proc/28601/statm: 5102 827 268 21 0 1739 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 20408

[startup+0.100419 s]
/proc/loadavg: 4.00 3.84 3.47 5/189 28601
/proc/meminfo: memFree=20656852/32950904 swapFree=67055440/67111528
[pid=28601] ppid=28599 vsize=20544 CPUtime=0.09 cores=0,2
/proc/28601/stat : 28601 (OptimuS_release) R 28599 28601 27643 0 -1 4202496 1250 0 0 0 9 0 0 0 25 0 1 0 892145506 21037056 1184 33554432000 4194304 4279399 140733200401296 18446744073709551615 4259163 0 0 4096 8388610 0 0 0 17 0 0 0 0
/proc/28601/statm: 5136 1184 268 21 0 1773 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 20544

[startup+0.300383 s]
/proc/loadavg: 4.00 3.84 3.47 5/189 28601
/proc/meminfo: memFree=20656852/32950904 swapFree=67055440/67111528
[pid=28601] ppid=28599 vsize=21708 CPUtime=0.29 cores=0,2
/proc/28601/stat : 28601 (OptimuS_release) R 28599 28601 27643 0 -1 4202496 2923 0 0 0 29 0 0 0 25 0 1 0 892145506 22228992 1376 33554432000 4194304 4279399 140733200401296 18446744073709551615 4237789 0 0 4096 8388610 0 0 0 17 0 0 0 0
/proc/28601/statm: 5427 1376 269 21 0 2064 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 21708

[startup+0.700361 s]
/proc/loadavg: 4.00 3.84 3.47 5/189 28601
/proc/meminfo: memFree=20656852/32950904 swapFree=67055440/67111528
[pid=28601] ppid=28599 vsize=22748 CPUtime=0.69 cores=0,2
/proc/28601/stat : 28601 (OptimuS_release) R 28599 28601 27643 0 -1 4202496 3797 0 0 0 69 0 0 0 25 0 1 0 892145506 23293952 2241 33554432000 4194304 4279399 140733200401296 18446744073709551615 4242328 0 0 4096 8388610 0 0 0 17 0 0 0 0
/proc/28601/statm: 5687 2241 269 21 0 2324 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 22748

[startup+1.50022 s]
/proc/loadavg: 4.00 3.84 3.47 5/190 28602
/proc/meminfo: memFree=20626612/32950904 swapFree=67055440/67111528
[pid=28601] ppid=28599 vsize=23536 CPUtime=1.49 cores=0,2
/proc/28601/stat : 28601 (OptimuS_release) R 28599 28601 27643 0 -1 4202496 3918 0 0 0 149 0 0 0 25 0 1 0 892145506 24100864 2362 33554432000 4194304 4279399 140733200401296 18446744073709551615 4241834 0 0 4096 8388610 0 0 0 17 0 0 0 0
/proc/28601/statm: 5884 2362 269 21 0 2521 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 23536

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

[startup+1.90116 s]
/proc/loadavg: 4.00 3.84 3.47 5/190 28602
/proc/meminfo: memFree=20626612/32950904 swapFree=67055440/67111528
[pid=28601] ppid=28599 vsize=23536 CPUtime=1.89 cores=0,2
/proc/28601/stat : 28601 (OptimuS_release) R 28599 28601 27643 0 -1 4202496 3918 0 0 0 189 0 0 0 25 0 1 0 892145506 24100864 2362 33554432000 4194304 4279399 140733200401296 18446744073709551615 4242261 0 0 4096 8388610 0 0 0 17 0 0 0 0
/proc/28601/statm: 5884 2362 269 21 0 2521 0
Current children cumulated CPU time (s) 1.89
Current children cumulated vsize (KiB) 23536

[startup+2.00114 s]
/proc/loadavg: 4.00 3.84 3.47 5/190 28602
/proc/meminfo: memFree=20626612/32950904 swapFree=67055440/67111528
[pid=28601] ppid=28599 vsize=25184 CPUtime=1.99 cores=0,2
/proc/28601/stat : 28601 (OptimuS_release) R 28599 28601 27643 0 -1 4202496 4462 0 0 0 199 0 0 0 25 0 1 0 892145506 25788416 2901 33554432000 4194304 4279399 140733200401296 18446744073709551615 4242261 0 0 4096 8388610 0 0 0 17 0 0 0 0
/proc/28601/statm: 6296 2901 269 21 0 2933 0
Current children cumulated CPU time (s) 1.99
Current children cumulated vsize (KiB) 25184

Child status: 20
Real time (s): 2.01542
CPU time (s): 2.01469
CPU user time (s): 2.01069
CPU system time (s): 0.003999
CPU usage (%): 99.9637
Max. virtual memory (cumulated for all children) (KiB): 25184

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 2.01069
system time used= 0.003999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 4463
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= 7
involuntary context switches= 25

runsolver used 0.007998 second user time and 0.009998 second system time

The end

Launcher Data 

Begin job on node121 at 2011-06-11 17:17:38
IDJOB=3495121
IDBENCH=70778
IDSOLVER=1987
FILE ID=node121/3495121-1307805457
RUNJOBID= node121-1307804680-28447
PBS_JOBID= 13551058
Free space on /tmp= 74052 MiB

SOLVER NAME= OptimuS p100_source
BENCH NAME= SAT09/APPLICATIONS/bitverif/minand/minand016.cnf
COMMAND LINE= OptimuS_release BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3495121-1307805457/watcher-3495121-1307805457 -o /tmp/evaluation-result-3495121-1307805457/solver-3495121-1307805457 -C 1800 -W 1850 -M 7680  OptimuS_release HOME/instance-3495121-1307805457.cnf

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 7680 MiB
NBCORE= 2

MD5SUM BENCH= 56200f8200488a8766f2e8612caefee3
RANDOM SEED=1557099455

node121.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		: 2666.817
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	: 5333.63
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		: 2666.817
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	: 5226.07
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		: 2666.817
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	: 5332.84
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		: 2666.817
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	: 5332.77
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		: 2666.817
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		: 2666.817
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		: 2666.817
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		: 2666.817
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	: 5332.75
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]


/proc/meminfo:
MemTotal:     32950904 kB
MemFree:      20657644 kB
Buffers:        295040 kB
Cached:         936480 kB
SwapCached:       9944 kB
Active:       11397324 kB
Inactive:       673752 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32950904 kB
LowFree:      20657644 kB
SwapTotal:    67111528 kB
SwapFree:     67055440 kB
Dirty:             804 kB
Writeback:           0 kB
AnonPages:    10836896 kB
Mapped:          13392 kB
Slab:           135208 kB
PageTables:      26528 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83586980 kB
Committed_AS: 14020232 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= 74052 MiB
End job on node121 at 2011-06-11 17:17:40