Trace number 3494970

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 a100_sourceUNSAT 1.37479 1.37795

General information on the benchmark

Namemus/marques-silva/
bmc-default/queueinvar8.cnf
MD5SUM374c3e1861e0caa067678582c8928c5c
Bench CategoryMUS (MUS)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark0.839871
Satisfiable
(Un)Satisfiability was proved
Number of variables512
Number of clauses2273
Sum of the clauses size5878
Maximum clause length23
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 21681
Number of clauses of size 3271
Number of clauses of size 460
Number of clauses of size 5197
Number of clauses of size over 564

Solver Data

1.28/1.37	c - Reading the instance.. OK! Totally clauses:     2273; Vars:      512; Time: 0.00
1.28/1.37	c - Unit propagation..     OK! Removed clauses:        0;                 Time: 0.00
1.28/1.37	c - Delete by resolution.. OK! Removed clauses:      119;                 Time: 0.00
1.28/1.37	c   - Solving the original instance..
1.28/1.37	c     - OK - UNSAT! Continue to clause elimination..
1.28/1.37	c   - round:    1;   Skips in previous round:    0
1.28/1.37	c     - clauses done:  1%; among them skipped: 0.00%;
1.28/1.37	c     - clauses done: 10%; among them skipped: 0.00%;
1.28/1.37	c     - clauses done: 20%; among them skipped: 0.00%;
1.28/1.37	c     - clauses done: 30%; among them skipped: 0.00%;
1.28/1.37	c     - clauses done: 40%; among them skipped: 0.00%;
1.28/1.37	c     - clauses done: 50%; among them skipped: 0.00%;
1.28/1.37	c     - clauses done: 60%; among them skipped: 0.00%;
1.28/1.37	c     - clauses done: 70%; among them skipped: 0.00%;
1.28/1.37	c     - clauses done: 80%; among them skipped: 0.00%;
1.28/1.37	c     - clauses done: 90%; among them skipped: 0.00%;
1.28/1.37	c     - clauses done: 99%; among them skipped: 0.00%;
1.28/1.37	c - Finish! Unsat core size: 1917 / 2273; Time: 1.37 s
1.28/1.37	c - ---------------------------------------------------------------------------
1.28/1.37	c - Statistics: |    unit   |    BCE    | sat-saved | sat-check | unsat-check |
1.28/1.37	c -             |       0   |     119   |       0   |    1917   |     237     |
1.28/1.37	c - ---------------------------------------------------------------------------
1.28/1.37	s UNSATISFIABLE
1.28/1.37	v 4 5 8 10 13 14 15 17 20 22 24 25 27 28 30 32 33 34 35 38 42 47 53 60 68 77 78 79 80 81 82 83 86 87 88 89 90 91 92 93 94 95 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 128 129 132 133 136 137 140 141 145 146 147 151 152 153 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 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Verifier Data

OK	1917

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-3494970-1307809924/watcher-3494970-1307809924 -o /tmp/evaluation-result-3494970-1307809924/solver-3494970-1307809924 -C 1800 -W 1850 -M 7680 OptimuS_release HOME/instance-3494970-1307809924.cnf 

running on 2 cores: 5,7

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: 4.05 3.82 3.52 4/189 29541
/proc/meminfo: memFree=30307588/32950904 swapFree=67055440/67111528
[pid=29541] ppid=29539 vsize=19516 CPUtime=0 cores=5,7
/proc/29541/stat : 29541 (OptimuS_release) R 29539 29541 27643 0 -1 4202496 474 0 0 0 0 0 0 0 25 0 1 0 892592148 19984384 411 33554432000 4194304 4279335 140737466855328 18446744073709551615 237278540485 0 0 4096 8388610 0 0 0 17 5 0 0 0
/proc/29541/statm: 4913 415 238 21 0 1550 0

[startup+0.09055 s]
/proc/loadavg: 4.05 3.82 3.52 4/189 29541
/proc/meminfo: memFree=30307588/32950904 swapFree=67055440/67111528
[pid=29541] ppid=29539 vsize=16168 CPUtime=0.08 cores=5,7
/proc/29541/stat : 29541 (OptimuS_release) R 29539 29541 27643 0 -1 4202496 870 0 0 0 8 0 0 0 25 0 1 0 892592148 16556032 650 33554432000 4194304 4279335 140737466855328 18446744073709551615 4259099 0 0 4096 8388610 0 0 0 17 5 0 0 0
/proc/29541/statm: 4042 650 269 21 0 679 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 16168

[startup+0.100545 s]
/proc/loadavg: 4.05 3.82 3.52 4/189 29541
/proc/meminfo: memFree=30307588/32950904 swapFree=67055440/67111528
[pid=29541] ppid=29539 vsize=16168 CPUtime=0.09 cores=5,7
/proc/29541/stat : 29541 (OptimuS_release) R 29539 29541 27643 0 -1 4202496 894 0 0 0 9 0 0 0 25 0 1 0 892592148 16556032 674 33554432000 4194304 4279335 140737466855328 18446744073709551615 4259099 0 0 4096 8388610 0 0 0 17 5 0 0 0
/proc/29541/statm: 4042 674 269 21 0 679 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 16168

[startup+0.30051 s]
/proc/loadavg: 4.05 3.82 3.52 4/189 29541
/proc/meminfo: memFree=30307588/32950904 swapFree=67055440/67111528
[pid=29541] ppid=29539 vsize=16696 CPUtime=0.29 cores=5,7
/proc/29541/stat : 29541 (OptimuS_release) R 29539 29541 27643 0 -1 4202496 1218 0 0 0 29 0 0 0 25 0 1 0 892592148 17096704 763 33554432000 4194304 4279335 140737466855328 18446744073709551615 4237899 0 0 4096 8388610 0 0 0 17 5 0 0 0
/proc/29541/statm: 4174 763 269 21 0 811 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 16696

[startup+0.700439 s]
/proc/loadavg: 4.05 3.82 3.52 4/189 29541
/proc/meminfo: memFree=30307588/32950904 swapFree=67055440/67111528
[pid=29541] ppid=29539 vsize=18104 CPUtime=0.69 cores=5,7
/proc/29541/stat : 29541 (OptimuS_release) R 29539 29541 27643 0 -1 4202496 1477 0 0 0 69 0 0 0 25 0 1 0 892592148 18538496 1021 33554432000 4194304 4279335 140737466855328 18446744073709551615 4260397 0 0 4096 8388610 0 0 0 17 5 0 0 0
/proc/29541/statm: 4526 1021 269 21 0 1163 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 18104

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

[startup+1.10636 s]
/proc/loadavg: 4.05 3.82 3.52 5/190 29542
/proc/meminfo: memFree=30304260/32950904 swapFree=67055440/67111528
[pid=29541] ppid=29539 vsize=18104 CPUtime=1.09 cores=5,7
/proc/29541/stat : 29541 (OptimuS_release) R 29539 29541 27643 0 -1 4202496 1598 0 0 0 109 0 0 0 25 0 1 0 892592148 18538496 1141 33554432000 4194304 4279335 140737466855328 18446744073709551615 4260393 0 0 4096 8388610 0 0 0 17 5 0 0 0
/proc/29541/statm: 4526 1141 269 21 0 1163 0
Current children cumulated CPU time (s) 1.09
Current children cumulated vsize (KiB) 18104

[startup+1.30033 s]
/proc/loadavg: 4.05 3.82 3.52 5/190 29542
/proc/meminfo: memFree=30304260/32950904 swapFree=67055440/67111528
[pid=29541] ppid=29539 vsize=18104 CPUtime=1.28 cores=5,7
/proc/29541/stat : 29541 (OptimuS_release) R 29539 29541 27643 0 -1 4202496 1598 0 0 0 128 0 0 0 25 0 1 0 892592148 18538496 1141 33554432000 4194304 4279335 140737466855328 18446744073709551615 4237912 0 0 4096 8388610 0 0 0 17 5 0 0 0
/proc/29541/statm: 4526 1141 269 21 0 1163 0
Current children cumulated CPU time (s) 1.28
Current children cumulated vsize (KiB) 18104

Child status: 20
Real time (s): 1.37795
CPU time (s): 1.37479
CPU user time (s): 1.36679
CPU system time (s): 0.007998
CPU usage (%): 99.7704
Max. virtual memory (cumulated for all children) (KiB): 18104

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.36679
system time used= 0.007998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1599
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= 1

runsolver used 0.002999 second user time and 0.008998 second system time

The end

Launcher Data

Begin job on node121 at 2011-06-11 18:32:04
IDJOB=3494970
IDBENCH=89586
IDSOLVER=1986
FILE ID=node121/3494970-1307809924
RUNJOBID= node121-1307809405-29359
PBS_JOBID= 13551058
Free space on /tmp= 74040 MiB

SOLVER NAME= OptimuS a100_source
BENCH NAME= SAT11/mus/marques-silva/bmc-default/queueinvar8.cnf
COMMAND LINE= OptimuS_release BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3494970-1307809924/watcher-3494970-1307809924 -o /tmp/evaluation-result-3494970-1307809924/solver-3494970-1307809924 -C 1800 -W 1850 -M 7680  OptimuS_release HOME/instance-3494970-1307809924.cnf

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

MD5SUM BENCH= 374c3e1861e0caa067678582c8928c5c
RANDOM SEED=1097204194

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:      30308140 kB
Buffers:        298888 kB
Cached:         971672 kB
SwapCached:       9944 kB
Active:        1744308 kB
Inactive:       695012 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32950904 kB
LowFree:      30308140 kB
SwapTotal:    67111528 kB
SwapFree:     67055440 kB
Dirty:             432 kB
Writeback:           0 kB
AnonPages:     1166336 kB
Mapped:          13344 kB
Slab:           135388 kB
PageTables:       7652 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83586980 kB
Committed_AS:  1576352 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= 74040 MiB
End job on node121 at 2011-06-11 18:32:05