Trace number 3222152

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 0.78788 0.78945

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 benchmark0.004998
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 

0.69/0.78	c MPhaseSAT_M version 401 suited for random catagory by Jingchao Chen,  April 1,2011 
0.69/0.78	c input CNF file=HOME/instance-3222152-1303301288.cnf 
0.69/0.78	c Clause#=1704  var#=400  ratio=4 
0.69/0.78	c Simplified clause#=1704 
0.69/0.78	c XOR_varElimination deleted var#=2 clauses#=1702 
0.69/0.78	c inative var#=0 
0.69/0.78	c free var#=384  
0.69/0.78	c local search on 
0.69/0.78	c A solution found by local search 
0.69/0.78	c unfixed var#=16 var#=400 
0.69/0.78	c verified 
0.69/0.78	c 
0.69/0.78	s SATISFIABLE
0.69/0.78	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 
0.69/0.78	v 0
0.69/0.78	c 
0.69/0.78	c  Running time=0.786881

Verifier Data 

OK

Watcher Data 

runsolver Copyright (C) 2010-2011 Olivier ROUSSEL

This is runsolver version 3.3.0 (svn: 935)

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-3222152-1303301288/watcher-3222152-1303301288 -o /tmp/evaluation-result-3222152-1303301288/solver-3222152-1303301288 -C 5000 -W 5000 -M 15500 MPhaseSAT_M HOME/instance-3222152-1303301288.cnf 

running on 4 cores: 0,2,4,6

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 5000 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 5030 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 5000 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 15872000 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 15923200 KiB
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 1.94 1.98 1.99 2/177 6846
/proc/meminfo: memFree=17070940/32950928 swapFree=67111528/67111528
[pid=6846] ppid=6844 vsize=3212 CPUtime=0 cores=0,2,4,6
/proc/6846/stat : 6846 (MPhaseSAT_M) R 6844 6846 5820 0 -1 4202496 371 0 0 0 0 0 0 0 25 0 1 0 441728619 3289088 311 33554432000 134512640 134829744 4288740048 18446744073709551615 134580676 0 0 4096 1026 0 0 0 17 2 0 0 0
/proc/6846/statm: 803 311 238 78 0 89 0

[startup+0.0546161 s]
/proc/loadavg: 1.94 1.98 1.99 2/177 6846
/proc/meminfo: memFree=17070940/32950928 swapFree=67111528/67111528
[pid=6846] ppid=6844 vsize=3620 CPUtime=0.05 cores=0,2,4,6
/proc/6846/stat : 6846 (MPhaseSAT_M) R 6844 6846 5820 0 -1 4202496 493 0 0 0 5 0 0 0 25 0 1 0 441728619 3706880 433 33554432000 134512640 134829744 4288740048 18446744073709551615 134669043 0 0 4096 1026 0 0 0 17 2 0 0 0
/proc/6846/statm: 905 433 271 78 0 191 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 3620

[startup+0.100676 s]
/proc/loadavg: 1.94 1.98 1.99 2/177 6846
/proc/meminfo: memFree=17070940/32950928 swapFree=67111528/67111528
[pid=6846] ppid=6844 vsize=3620 CPUtime=0.09 cores=0,2,4,6
/proc/6846/stat : 6846 (MPhaseSAT_M) R 6844 6846 5820 0 -1 4202496 502 0 0 0 9 0 0 0 25 0 1 0 441728619 3706880 442 33554432000 134512640 134829744 4288740048 18446744073709551615 134661368 0 0 4096 1026 0 0 0 17 2 0 0 0
/proc/6846/statm: 905 442 271 78 0 191 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 3620

[startup+0.300638 s]
/proc/loadavg: 1.94 1.98 1.99 2/177 6846
/proc/meminfo: memFree=17070940/32950928 swapFree=67111528/67111528
[pid=6846] ppid=6844 vsize=3884 CPUtime=0.29 cores=0,2,4,6
/proc/6846/stat : 6846 (MPhaseSAT_M) R 6844 6846 5820 0 -1 4202496 576 0 0 0 29 0 0 0 25 0 1 0 441728619 3977216 516 33554432000 134512640 134829744 4288740048 18446744073709551615 11378444 0 0 4096 1026 0 0 0 17 2 0 0 0
/proc/6846/statm: 971 516 271 78 0 257 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 3884

[startup+0.700562 s]
/proc/loadavg: 1.94 1.98 1.99 2/177 6846
/proc/meminfo: memFree=17070940/32950928 swapFree=67111528/67111528
[pid=6846] ppid=6844 vsize=4148 CPUtime=0.69 cores=0,2,4,6
/proc/6846/stat : 6846 (MPhaseSAT_M) R 6844 6846 5820 0 -1 4202496 635 0 0 0 69 0 0 0 25 0 1 0 441728619 4247552 575 33554432000 134512640 134829744 4288740048 18446744073709551615 134725340 0 0 4096 1026 0 0 0 17 2 0 0 0
/proc/6846/statm: 1037 575 271 78 0 323 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 4148

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

Child status: 10
Real time (s): 0.78945
CPU time (s): 0.78788
CPU user time (s): 0.78788
CPU system time (s): 0
CPU usage (%): 99.8011
Max. virtual memory (cumulated for all children) (KiB): 4148

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.78788
system time used= 0
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 677
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= 2

runsolver used 0 second user time and 0.005999 second system time

The end

Launcher Data 

Begin job on node123 at 2011-04-20 14:08:08
IDJOB=3222152
IDBENCH=83042
IDSOLVER=1637
FILE ID=node123/3222152-1303301288
RUNJOBID= node123-1303291017-5838
PBS_JOBID= 13049622
Free space on /tmp= 72504 MiB

SOLVER NAME= MPhaseSAT_M 2011-02-16
BENCH NAME= SAT11/random/medium/unif-k3-r4.26-v400-c1704-S1440346932-010.SATISFIABLE.cnf
COMMAND LINE= MPhaseSAT_M BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3222152-1303301288/watcher-3222152-1303301288 -o /tmp/evaluation-result-3222152-1303301288/solver-3222152-1303301288 -C 5000 -W 5000 -M 15500  MPhaseSAT_M HOME/instance-3222152-1303301288.cnf

TIME LIMIT= 5000 seconds
MEMORY LIMIT= 15500 MiB
NBCORE= 4

MD5SUM BENCH= b1640086ff1cfd4e86559744179c13fe
RANDOM SEED=1254041001

node123.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		: 2666.838
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	: 5333.67
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		: 2666.838
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		: 2666.838
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		: 2666.838
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		: 2666.838
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		: 2666.838
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	: 5332.80
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		: 2666.838
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	: 5332.74
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		: 2666.838
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:     32950928 kB
MemFree:      17071220 kB
Buffers:        673056 kB
Cached:       14417920 kB
SwapCached:          0 kB
Active:        6298084 kB
Inactive:      9240776 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32950928 kB
LowFree:      17071220 kB
SwapTotal:    67111528 kB
SwapFree:     67111528 kB
Dirty:             636 kB
Writeback:           0 kB
AnonPages:      447420 kB
Mapped:          16532 kB
Slab:           276532 kB
PageTables:       5432 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83586992 kB
Committed_AS:   612980 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= 72504 MiB
End job on node123 at 2011-04-20 14:08:09