Trace number 3095160

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 0.933857 0.93592

General information on the benchmark

Namerandom/medium/
unif-k3-r4.26-v400-c1704-S1440346932-010.SATISFIABLE.cnf
MD5SUMb1640086ff1cfd4e86559744179c13fe
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.001999
Satisfiable
(Un)Satisfiability was proved
Number of variables400
Number of clauses1704
Sum of the clauses size5112
Maximum clause length3
Minimum clause length3
Number of clauses of size 10
Number of clauses of size 20
Number of clauses of size 31704
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data 

0.89/0.93	c MPhaseSAT64 version 402 by Jingchao Chen,  April 1,2011
0.89/0.93	c input CNF file=HOME/instance-3095160-1301759329.cnf 
0.89/0.93	c Clause#=1704  var#=400  ratio=4 
0.89/0.93	c Simplified clause#=1704 
0.89/0.93	c XOR_varElimination deleted var#=2 clauses#=1702 
0.89/0.93	c inative var#=0 
0.89/0.93	c free var#=384  
0.89/0.93	c local search on 
0.89/0.93	c A solution found by local search 
0.89/0.93	c unfixed var#=16 var#=400 
0.89/0.93	c verified 
0.89/0.93	c 
0.89/0.93	s SATISFIABLE
0.89/0.93	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 -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 -240 241 -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 -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 
0.89/0.93	v 0
0.89/0.93	c 
0.89/0.93	c  Running time=0.931859

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-3095160-1301759329/watcher-3095160-1301759329 -o /tmp/evaluation-result-3095160-1301759329/solver-3095160-1301759329 -C 2400 -W 1300 -M 7680 MPhaseSAT64 HOME/instance-3095160-1301759329.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: 3.97 3.98 3.93 5/187 13761
/proc/meminfo: memFree=22049032/32951132 swapFree=67111528/67111528
[pid=13761] ppid=13759 vsize=3140 CPUtime=0 cores=0,2
/proc/13761/stat : 13761 (MPhaseSAT64) R 13759 13761 12621 0 -1 4202496 367 0 0 0 0 0 0 0 25 0 1 0 287532476 3215360 306 33554432000 134512640 134761588 4288134848 18446744073709551615 134578360 0 0 4096 1026 0 0 0 17 0 0 0 0
/proc/13761/statm: 785 306 237 61 0 88 0

[startup+0.073986 s]
/proc/loadavg: 3.97 3.98 3.93 5/187 13761
/proc/meminfo: memFree=22049032/32951132 swapFree=67111528/67111528
[pid=13761] ppid=13759 vsize=3848 CPUtime=0.07 cores=0,2
/proc/13761/stat : 13761 (MPhaseSAT64) R 13759 13761 12621 0 -1 4202496 565 0 0 0 7 0 0 0 25 0 1 0 287532476 3940352 504 33554432000 134512640 134761588 4288134848 18446744073709551615 134748458 0 0 4096 1026 0 0 0 17 0 0 0 0
/proc/13761/statm: 962 504 274 61 0 265 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 3848

[startup+0.100982 s]
/proc/loadavg: 3.97 3.98 3.93 5/187 13761
/proc/meminfo: memFree=22049032/32951132 swapFree=67111528/67111528
[pid=13761] ppid=13759 vsize=4008 CPUtime=0.09 cores=0,2
/proc/13761/stat : 13761 (MPhaseSAT64) R 13759 13761 12621 0 -1 4202496 597 0 0 0 9 0 0 0 25 0 1 0 287532476 4104192 536 33554432000 134512640 134761588 4288134848 18446744073709551615 134747228 0 0 4096 1026 0 0 0 17 0 0 0 0
/proc/13761/statm: 1002 536 274 61 0 305 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 4008

[startup+0.300961 s]
/proc/loadavg: 3.97 3.98 3.93 5/187 13761
/proc/meminfo: memFree=22049032/32951132 swapFree=67111528/67111528
[pid=13761] ppid=13759 vsize=4852 CPUtime=0.29 cores=0,2
/proc/13761/stat : 13761 (MPhaseSAT64) R 13759 13761 12621 0 -1 4202496 840 0 0 0 29 0 0 0 25 0 1 0 287532476 4968448 779 33554432000 134512640 134761588 4288134848 18446744073709551615 134747280 0 0 4096 1026 0 0 0 17 0 0 0 0
/proc/13761/statm: 1213 779 274 61 0 516 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 4852

[startup+0.700886 s]
/proc/loadavg: 3.97 3.98 3.93 5/187 13761
/proc/meminfo: memFree=22049032/32951132 swapFree=67111528/67111528
[pid=13761] ppid=13759 vsize=5624 CPUtime=0.69 cores=0,2
/proc/13761/stat : 13761 (MPhaseSAT64) R 13759 13761 12621 0 -1 4202496 1065 0 0 0 69 0 0 0 25 0 1 0 287532476 5758976 972 33554432000 134512640 134761588 4288134848 18446744073709551615 134616839 0 0 4096 1026 0 0 0 17 0 0 0 0
/proc/13761/statm: 1406 972 274 61 0 709 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 5624

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

[startup+0.900866 s]
/proc/loadavg: 3.97 3.98 3.93 5/187 13761
/proc/meminfo: memFree=22049032/32951132 swapFree=67111528/67111528
[pid=13761] ppid=13759 vsize=5756 CPUtime=0.89 cores=0,2
/proc/13761/stat : 13761 (MPhaseSAT64) R 13759 13761 12621 0 -1 4202496 1130 0 0 0 89 0 0 0 25 0 1 0 287532476 5894144 1005 33554432000 134512640 134761588 4288134848 18446744073709551615 134747225 0 0 4096 1026 0 0 0 17 0 0 0 0
/proc/13761/statm: 1439 1005 274 61 0 742 0
Current children cumulated CPU time (s) 0.89
Current children cumulated vsize (KiB) 5756

Child status: 10
Real time (s): 0.93592
CPU time (s): 0.933857
CPU user time (s): 0.932858
CPU system time (s): 0.000999
CPU usage (%): 99.7796
Max. virtual memory (cumulated for all children) (KiB): 5756

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.932858
system time used= 0.000999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1143
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= 12
involuntary context switches= 3

runsolver used 0.004999 second user time and 0.007998 second system time

The end

Launcher Data 

Begin job on node129 at 2011-04-02 17:48:49
IDJOB=3095160
IDBENCH=83042
IDSOLVER=1521
FILE ID=node129/3095160-1301759329
RUNJOBID= node129-1301756648-12639
PBS_JOBID= 12841055
Free space on /tmp= 72148 MiB

SOLVER NAME= MPhaseSAT64 2011-03-03
BENCH NAME= SAT11/random/medium/unif-k3-r4.26-v400-c1704-S1440346932-010.SATISFIABLE.cnf
COMMAND LINE= MPhaseSAT64 BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3095160-1301759329/watcher-3095160-1301759329 -o /tmp/evaluation-result-3095160-1301759329/solver-3095160-1301759329 -C 2400 -W 1300 -M 7680  MPhaseSAT64 HOME/instance-3095160-1301759329.cnf

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

MD5SUM BENCH= b1640086ff1cfd4e86559744179c13fe
RANDOM SEED=1517815951

node129.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		: 2666.831
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	: 5333.66
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		: 2666.831
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	: 5332.83
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		: 2666.831
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		: 2666.831
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	: 5332.82
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		: 2666.831
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	: 5332.74
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		: 2666.831
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	: 5332.83
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		: 2666.831
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		: 2666.831
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	: 5332.83
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]


/proc/meminfo:
MemTotal:     32951132 kB
MemFree:      22049172 kB
Buffers:        348616 kB
Cached:       10214584 kB
SwapCached:          0 kB
Active:        7114312 kB
Inactive:      3538108 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951132 kB
LowFree:      22049172 kB
SwapTotal:    67111528 kB
SwapFree:     67111528 kB
Dirty:             576 kB
Writeback:           0 kB
AnonPages:       88804 kB
Mapped:          17316 kB
Slab:           186596 kB
PageTables:       5312 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587092 kB
Committed_AS:   274104 kB
VmallocTotal: 34359738367 kB
VmallocUsed:    296000 kB
VmallocChunk: 34359440975 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 72148 MiB
End job on node129 at 2011-04-02 17:48:50