Trace number 3495068

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 1.74173 1.74304

General information on the benchmark

NameSAT02/industrial/biere/
cmpadd/ca064.shuffled.cnf
MD5SUM728f3cf4457e54f58c6a90ade7507c4d
Bench CategoryAPPLICATION (applications instances)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark1.74173
Satisfiable
(Un)Satisfiability was proved
Number of variables1132
Number of clauses3264
Sum of the clauses size8290
Maximum clause length3
Minimum clause length1
Number of clauses of size 12
Number of clauses of size 21498
Number of clauses of size 31764
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data 

1.69/1.74	c - Reading the instance.. OK! Totally clauses:     3264; Vars:     1132; Time: 0.00
1.69/1.74	c - Unit propagation..     OK! Removed clauses:        3;                 Time: 0.00
1.69/1.74	c - Delete by resolution.. OK! Removed clauses:      654;                 Time: 0.03
1.69/1.74	c   - Solving the original instance..
1.69/1.74	c     - OK - UNSAT! Continue to clause elimination..
1.69/1.74	c   - round:    1;   Skips in previous round:    0
1.69/1.74	c     - clauses done:  1%; among them skipped: 0.00%;
1.69/1.74	c     - clauses done: 10%; among them skipped: 0.00%;
1.69/1.74	c     - clauses done: 20%; among them skipped: 0.00%;
1.69/1.74	c     - clauses done: 30%; among them skipped: 0.00%;
1.69/1.74	c     - clauses done: 40%; among them skipped: 0.00%;
1.69/1.74	c     - clauses done: 50%; among them skipped: 0.00%;
1.69/1.74	c     - clauses done: 60%; among them skipped: 0.00%;
1.69/1.74	c     - clauses done: 70%; among them skipped: 0.00%;
1.69/1.74	c     - clauses done: 80%; among them skipped: 0.00%;
1.69/1.74	c     - clauses done: 90%; among them skipped: 0.00%;
1.69/1.74	c     - clauses done: 99%; among them skipped: 0.00%;
1.69/1.74	c - Finish! Unsat core size: 2412 / 3264; Time: 1.74 s
1.69/1.74	c - ---------------------------------------------------------------------------
1.69/1.74	c - Statistics: |    unit   |    BCE    | sat-saved | sat-check | unsat-check |
1.69/1.74	c -             |       3   |     678   |    1449   |     963   |     171     |
1.69/1.74	c - ---------------------------------------------------------------------------
1.69/1.74	s UNSATISFIABLE
1.69/1.74	v 1 2 3 5 7 8 9 10 11 12 13 14 17 18 21 22 26 27 28 29 31 32 33 36 37 38 39 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 62 64 65 66 68 69 70 71 72 73 75 76 77 78 79 80 81 82 83 85 86 87 88 89 90 92 93 94 96 97 98 99 102 103 104 105 106 107 108 109 110 111 112 113 114 117 118 119 120 121 123 124 126 127 128 129 130 131 132 133 134 135 136 137 138 141 142 143 144 149 151 152 153 154 155 156 158 159 160 161 162 163 164 165 166 167 169 170 171 172 174 175 176 177 180 181 182 183 184 185 186 187 188 189 190 191 194 195 196 197 198 199 200 201 203 204 206 207 208 209 210 211 212 213 215 217 218 219 223 224 228 229 230 232 233 234 235 236 238 239 240 242 243 244 245 246 248 249 250 253 254 255 256 257 259 260 261 265 266 267 268 270 271 272 274 275 276 277 278 279 282 283 285 289 290 294 296 297 298 301 302 304 309 310 311 313 314 315 316 317 318 319 321 322 323 324 325 326 327 329 331 332 333 334 335 336 338 339 340 341 342 343 344 345 348 349 350 351 353 356 357 359 360 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Verifier Data 

OK	2412

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-3495068-1307806995/watcher-3495068-1307806995 -o /tmp/evaluation-result-3495068-1307806995/solver-3495068-1307806995 -C 1800 -W 1850 -M 7680 OptimuS_release HOME/instance-3495068-1307806995.cnf 

running on 2 cores: 4,6

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: 3.91 3.62 3.23 5/189 1486
/proc/meminfo: memFree=29225368/32951124 swapFree=67049456/67111528
[pid=1486] ppid=1484 vsize=19716 CPUtime=0 cores=4,6
/proc/1486/stat : 1486 (OptimuS_release) R 1484 1486 27853 0 -1 4202496 532 0 0 0 0 0 0 0 25 0 1 0 970930191 20189184 468 33554432000 4194304 4279399 140735183784720 18446744073709551615 224284925696 0 0 4096 8388610 0 0 0 17 4 0 0 0
/proc/1486/statm: 4929 468 238 21 0 1566 0

[startup+0.103596 s]
/proc/loadavg: 3.91 3.62 3.23 5/189 1486
/proc/meminfo: memFree=29225368/32951124 swapFree=67049456/67111528
[pid=1486] ppid=1484 vsize=18808 CPUtime=0.09 cores=4,6
/proc/1486/stat : 1486 (OptimuS_release) R 1484 1486 27853 0 -1 4202496 1538 0 0 0 9 0 0 0 25 0 1 0 970930191 19259392 1184 33554432000 4194304 4279399 140735183784720 18446744073709551615 4259163 0 0 4096 8388610 0 0 0 17 4 0 0 0
/proc/1486/statm: 4702 1184 270 21 0 1339 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 18808

[startup+0.200587 s]
/proc/loadavg: 3.91 3.62 3.23 5/189 1486
/proc/meminfo: memFree=29225368/32951124 swapFree=67049456/67111528
[pid=1486] ppid=1484 vsize=18436 CPUtime=0.19 cores=4,6
/proc/1486/stat : 1486 (OptimuS_release) R 1484 1486 27853 0 -1 4202496 2108 0 0 0 19 0 0 0 25 0 1 0 970930191 18878464 1184 33554432000 4194304 4279399 140735183784720 18446744073709551615 4258277 0 0 4096 8388610 0 0 0 17 4 0 0 0
/proc/1486/statm: 4609 1184 270 21 0 1246 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 18436

[startup+0.300559 s]
/proc/loadavg: 3.91 3.62 3.23 5/189 1486
/proc/meminfo: memFree=29225368/32951124 swapFree=67049456/67111528
[pid=1486] ppid=1484 vsize=18860 CPUtime=0.29 cores=4,6
/proc/1486/stat : 1486 (OptimuS_release) R 1484 1486 27853 0 -1 4202496 2216 0 0 0 29 0 0 0 25 0 1 0 970930191 19312640 1291 33554432000 4194304 4279399 140735183784720 18446744073709551615 4260848 0 0 4096 8388610 0 0 0 17 4 0 0 0
/proc/1486/statm: 4715 1291 270 21 0 1352 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 18860

[startup+0.700504 s]
/proc/loadavg: 3.91 3.62 3.23 5/189 1486
/proc/meminfo: memFree=29225368/32951124 swapFree=67049456/67111528
[pid=1486] ppid=1484 vsize=18860 CPUtime=0.69 cores=4,6
/proc/1486/stat : 1486 (OptimuS_release) R 1484 1486 27853 0 -1 4202496 2241 0 0 0 69 0 0 0 25 0 1 0 970930191 19312640 1316 33554432000 4194304 4279399 140735183784720 18446744073709551615 4242251 0 0 4096 8388610 0 0 0 17 4 0 0 0
/proc/1486/statm: 4715 1316 270 21 0 1352 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 18860

[startup+1.50036 s]
/proc/loadavg: 3.91 3.62 3.23 5/190 1487
/proc/meminfo: memFree=29209264/32951124 swapFree=67049456/67111528
[pid=1486] ppid=1484 vsize=19492 CPUtime=1.49 cores=4,6
/proc/1486/stat : 1486 (OptimuS_release) R 1484 1486 27853 0 -1 4202496 2403 0 0 0 149 0 0 0 25 0 1 0 970930191 19959808 1473 33554432000 4194304 4279399 140735183784720 18446744073709551615 4242240 0 0 4096 8388610 0 0 0 17 4 0 0 0
/proc/1486/statm: 4873 1473 270 21 0 1510 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 19492

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

[startup+1.60035 s]
/proc/loadavg: 3.91 3.62 3.23 5/190 1487
/proc/meminfo: memFree=29209264/32951124 swapFree=67049456/67111528
[pid=1486] ppid=1484 vsize=19492 CPUtime=1.59 cores=4,6
/proc/1486/stat : 1486 (OptimuS_release) R 1484 1486 27853 0 -1 4202496 2403 0 0 0 159 0 0 0 25 0 1 0 970930191 19959808 1473 33554432000 4194304 4279399 140735183784720 18446744073709551615 4242240 0 0 4096 8388610 0 0 0 17 4 0 0 0
/proc/1486/statm: 4873 1473 270 21 0 1510 0
Current children cumulated CPU time (s) 1.59
Current children cumulated vsize (KiB) 19492

[startup+1.7003 s]
/proc/loadavg: 3.91 3.62 3.23 5/190 1487
/proc/meminfo: memFree=29209264/32951124 swapFree=67049456/67111528
[pid=1486] ppid=1484 vsize=19492 CPUtime=1.69 cores=4,6
/proc/1486/stat : 1486 (OptimuS_release) R 1484 1486 27853 0 -1 4202496 2403 0 0 0 169 0 0 0 25 0 1 0 970930191 19959808 1473 33554432000 4194304 4279399 140735183784720 18446744073709551615 4237968 0 0 4096 8388610 0 0 0 17 4 0 0 0
/proc/1486/statm: 4873 1473 270 21 0 1510 0
Current children cumulated CPU time (s) 1.69
Current children cumulated vsize (KiB) 19492

Child status: 20
Real time (s): 1.74304
CPU time (s): 1.74173
CPU user time (s): 1.73773
CPU system time (s): 0.003999
CPU usage (%): 99.9252
Max. virtual memory (cumulated for all children) (KiB): 19492

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.73773
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= 2404
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= 4
involuntary context switches= 3

runsolver used 0.005999 second user time and 0.005999 second system time

The end

Launcher Data 

Begin job on node118 at 2011-06-11 17:43:15
IDJOB=3495068
IDBENCH=88099
IDSOLVER=1987
FILE ID=node118/3495068-1307806995
RUNJOBID= node118-1307806520-955
PBS_JOBID= 13551034
Free space on /tmp= 74152 MiB

SOLVER NAME= OptimuS p100_source
BENCH NAME= SAT02/industrial/biere/cmpadd/ca064.shuffled.cnf
COMMAND LINE= OptimuS_release BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3495068-1307806995/watcher-3495068-1307806995 -o /tmp/evaluation-result-3495068-1307806995/solver-3495068-1307806995 -C 1800 -W 1850 -M 7680  OptimuS_release HOME/instance-3495068-1307806995.cnf

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

MD5SUM BENCH= 728f3cf4457e54f58c6a90ade7507c4d
RANDOM SEED=1089238976

node118.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		: 2666.842
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	: 5333.68
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		: 2666.842
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		: 2666.842
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	: 5332.74
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		: 2666.842
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		: 2666.842
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	: 5332.68
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		: 2666.842
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		: 2666.842
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		: 2666.842
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	: 5374.59
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]


/proc/meminfo:
MemTotal:     32951124 kB
MemFree:      29227028 kB
Buffers:        273712 kB
Cached:        1610288 kB
SwapCached:      15436 kB
Active:        2086444 kB
Inactive:      1437440 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951124 kB
LowFree:      29227028 kB
SwapTotal:    67111528 kB
SwapFree:     67049456 kB
Dirty:             448 kB
Writeback:           0 kB
AnonPages:     1636600 kB
Mapped:           9548 kB
Slab:           131020 kB
PageTables:       8760 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587088 kB
Committed_AS:  2053948 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= 74152 MiB
End job on node118 at 2011-06-11 17:43:17