Trace number 1883548

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
BoolVar 2009-04-26SAT 0.78188 0.681373

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/
namasivayam/tsp/normalized-t3002.11tsp11.1900566263.opb
MD5SUMf4c214ee809fe2c6dba5a2a6d8bf156c
Bench CategoryDEC-SMALLINT (no optimisation, small integers)
Best result obtained on this benchmarkSAT
Best value of the objective obtained on this benchmark0
Best CPU time to get the best result obtained on this benchmark0.099983
Has Objective FunctionNO
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved NO
Number of variables231
Total number of constraints2707
Number of constraints which are clauses2684
Number of constraints which are cardinality constraints (but not clauses)22
Number of constraints which are nor clauses,nor cardinality constraints1
Minimum length of a constraint2
Maximum length of a constraint110
Number of terms in the objective function 0
Biggest coefficient in the objective function 0
Number of bits for the biggest coefficient in the objective function 0
Sum of the numbers in the objective function 0
Number of bits of the sum of numbers in the objective function 0
Biggest number in a constraint 25
Number of bits of the biggest number in a constraint 5
Biggest sum of numbers in a constraint 613
Number of bits of the biggest sum of numbers10
Number of products (including duplicates)0
Sum of products size (including duplicates)0
Number of different products0
Sum of products size0

Solver Data 

0.59/0.60	------------------------
0.59/0.60	Encoding : LINEAR, DIRECT, BDD, POLYW, GLOBC
0.59/0.60	Size : 0, 10406, 0, 0, 23742
0.59/0.60	Count : 0, 2706, 0, 0, 1
0.59/0.60	
0.59/0.60	Command line : minisat tmp.dimacs %var 
0.59/0.60	
0.59/0.60	------------------------
0.69/0.60	This is MiniSat 2.0 beta
0.69/0.60	WARNING: for repeatability, setting FPU to use double precision
0.69/0.61	============================[ Problem Statistics ]=============================
0.69/0.61	|                                                                             |
0.69/0.61	|  Number of variables:  1354                                                 |
0.69/0.61	|  Number of clauses:    12191                                                |
0.69/0.61	|  Parsing time:         0.01         s                                       |
0.69/0.63	============================[ Search Statistics ]==============================
0.69/0.63	| Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.69/0.63	|           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
0.69/0.63	===============================================================================
0.69/0.63	|         0 |     775     6903    20078 |     2301        0    nan |  0.000 % |
0.69/0.63	|       102 |     775     6903    20078 |     2531      102     35 |  4.579 % |
0.69/0.64	|       252 |     775     6903    20078 |     2784      252     29 |  4.579 % |
0.69/0.65	|       477 |     775     6903    20078 |     3062      477     34 |  4.579 % |
0.69/0.66	===============================================================================
0.69/0.66	restarts              : 4
0.69/0.66	conflicts             : 799            (13778 /sec)
0.69/0.66	decisions             : 1992           (1.46 % random) (34350 /sec)
0.69/0.66	propagations          : 75679          (1305013 /sec)
0.69/0.66	conflict literals     : 28434          (10.97 % deleted)
0.69/0.66	Memory used           : 2.84 MB
0.69/0.66	CPU time              : 0.057991 s
0.69/0.66	
0.69/0.66	s SATISFIABLE
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x1212 x1213 x1214 x1215 x1216 x1217 x1218 x1219 x1220 x1221 x1222 x1223 x1224 x1225 x1226 -x1227 -x1228 -x1229 -x1230 -x1231 -x1232 -x1233 -x1234 -x1235 -x1236 -x1237 x1238 -x1239 -x1240 -x1241 -x1242 -x1243 -x1244 -x1245 -x1246 -x1247 -x1248 -x1249 -x1250 -x1251 -x1252 -x1253 -x1254 -x1255 -x1256 x1257 -x1258 -x1259 -x1260 x1261 -x1262 -x1263 -x1264 -x1265 -x1266 -x1267 x1268 -x1269 -x1270 x1271 -x1272 -x1273 -x1274 -x1275 -x1276 -x1277 -x1278 -x1279 -x1280 -x1281 -x1282 -x1283 -x1284 -x1285 -x1286 -x1287 -x1288 -x1289 -x1290 -x1291 -x1292 -x1293 -x1294 -x1295 -x1296 -x1297 x1298 x1299 x1300 x1301 x1302 x1303 x1304 x1305 x1306 x1307 x1308 x1309 x1310 x1311 x1312 x1313 x1314 x1315 x1316 x1317 x1318 x1319 x1320 x1321 x1322 x1323 x1324 x1325 x1326 x1327 x1328 x1329 x1330 x1331 x1332 x1333 x1334 x1335 x1336 x1337 x1338 x1339 x1340 x1341 x1342 x1343 x1344 x1345 x1346 x1347 x1348 x1349 x1350 x1351 x1352 x1353 -x1354

Verifier Data 

OK	0

Watcher Data 

runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1883548-1245194650/watcher-1883548-1245194650 -o /tmp/evaluation-result-1883548-1245194650/solver-1883548-1245194650 -C 1800 -W 2000 -M 1800 java -Xmx1500m -jar pb2cnfsolver.jar 6 HOME/instance-1883548-1245194650.opb minisat %dimacs %var 

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): 2000 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 1843200 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 1894400 KiB
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 1.22 1.07 1.02 3/64 9392
/proc/meminfo: memFree=1831096/2055920 swapFree=4180828/4192956
[pid=9392] ppid=9390 vsize=152 CPUtime=0
/proc/9392/stat : 9392 (java) R 9390 9392 8674 0 -1 0 221 0 0 0 0 0 0 0 18 0 1 0 187064930 155648 26 1992294400 134512640 134550932 4294956032 18446744073709551615 1171755 0 0 4096 0 0 0 0 17 0 0 0
/proc/9392/statm: 38 26 19 9 0 4 0

[startup+0.042712 s]
/proc/loadavg: 1.22 1.07 1.02 3/64 9392
/proc/meminfo: memFree=1831096/2055920 swapFree=4180828/4192956
[pid=9392] ppid=9390 vsize=1683848 CPUtime=0.03
/proc/9392/stat : 9392 (java) S 9390 9392 8674 0 -1 0 2085 0 1 0 2 1 0 0 18 0 9 0 187064930 1724260352 1638 1992294400 134512640 134550932 4294956032 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 0 0 0
/proc/9392/statm: 420962 1638 920 9 0 415877 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 1683848

[startup+0.116732 s]
/proc/loadavg: 1.22 1.07 1.02 3/64 9392
/proc/meminfo: memFree=1831096/2055920 swapFree=4180828/4192956
[pid=9392] ppid=9390 vsize=1684400 CPUtime=0.15
/proc/9392/stat : 9392 (java) S 9390 9392 8674 0 -1 0 2968 0 1 0 14 1 0 0 18 0 9 0 187064930 1724825600 2458 1992294400 134512640 134550932 4294956032 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 0 0 0
/proc/9392/statm: 421100 2458 1226 9 0 416011 0
Current children cumulated CPU time (s) 0.15
Current children cumulated vsize (KiB) 1684400

[startup+0.302762 s]
/proc/loadavg: 1.22 1.07 1.02 3/64 9392
/proc/meminfo: memFree=1831096/2055920 swapFree=4180828/4192956
[pid=9392] ppid=9390 vsize=1684524 CPUtime=0.39
/proc/9392/stat : 9392 (java) S 9390 9392 8674 0 -1 0 3861 0 1 0 38 1 0 0 18 0 9 0 187064930 1724952576 3331 1992294400 134512640 134550932 4294956032 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 0 0 0
/proc/9392/statm: 421131 3331 1258 9 0 416042 0
Current children cumulated CPU time (s) 0.39
Current children cumulated vsize (KiB) 1684524

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

[startup+0.501794 s]
/proc/loadavg: 1.22 1.07 1.02 3/64 9392
/proc/meminfo: memFree=1831096/2055920 swapFree=4180828/4192956
[pid=9392] ppid=9390 vsize=1684648 CPUtime=0.59
/proc/9392/stat : 9392 (java) S 9390 9392 8674 0 -1 0 5766 0 1 0 57 2 0 0 18 0 9 0 187064930 1725079552 5052 1992294400 134512640 134550932 4294956032 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 0 0 0
/proc/9392/statm: 421162 5052 2162 9 0 416073 0
Current children cumulated CPU time (s) 0.59
Current children cumulated vsize (KiB) 1684648

[startup+0.601817 s]
/proc/loadavg: 1.22 1.07 1.02 3/64 9392
/proc/meminfo: memFree=1831096/2055920 swapFree=4180828/4192956
[pid=9392] ppid=9390 vsize=1684648 CPUtime=0.69
/proc/9392/stat : 9392 (java) S 9390 9392 8674 0 -1 0 6091 0 1 0 67 2 0 0 18 0 9 0 187064930 1725079552 5357 1992294400 134512640 134550932 4294956032 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 0 0 0
/proc/9392/statm: 421162 5357 2163 9 0 416073 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 1684648

Child status: 0
Real time (s): 0.681373
CPU time (s): 0.78188
CPU user time (s): 0.741887
CPU system time (s): 0.039993
CPU usage (%): 114.751
Max. virtual memory (cumulated for all children) (KiB): 1684648

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.741887
system time used= 0.039993
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 7009
page faults= 1
swaps= 0
block input operations= 0
block output operations= 0
messages sent= 0
messages received= 0
signals received= 0
voluntary context switches= 368
involuntary context switches= 200

runsolver used 0.003999 second user time and 0.003999 second system time

The end

Launcher Data 

Begin job on node31 at 2009-06-17 01:24:10
IDJOB=1883548
IDBENCH=1325
IDSOLVER=688
FILE ID=node31/1883548-1245194650
PBS_JOBID= 9368296
Free space on /tmp= 66272 MiB

SOLVER NAME= BoolVar 2009-04-26
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/tsp/normalized-t3002.11tsp11.1900566263.opb
COMMAND LINE= java -Xmx1500m -jar pb2cnfsolver.jar 6 BENCHNAME minisat %dimacs %var
CONVERSION SCRIPT= PBconversionToLinear BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1883548-1245194650/watcher-1883548-1245194650 -o /tmp/evaluation-result-1883548-1245194650/solver-1883548-1245194650 -C 1800 -W 2000 -M 1800  java -Xmx1500m -jar pb2cnfsolver.jar 6 HOME/instance-1883548-1245194650.opb minisat %dimacs %var

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 0

MD5SUM BENCH= f4c214ee809fe2c6dba5a2a6d8bf156c
RANDOM SEED=1359696717

node31.alineos.net Linux 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005

/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 15
model		: 4
model name	:                   Intel(R) Xeon(TM) CPU 3.00GHz
stepping	: 3
cpu MHz		: 3000.258
cache size	: 2048 KB
fpu		: yes
fpu_exception	: yes
cpuid level	: 5
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 lm pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5914.62
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 15
model		: 4
model name	:                   Intel(R) Xeon(TM) CPU 3.00GHz
stepping	: 3
cpu MHz		: 3000.258
cache size	: 2048 KB
fpu		: yes
fpu_exception	: yes
cpuid level	: 5
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 lm pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5586.94
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055920 kB
MemFree:       1831640 kB
Buffers:         44132 kB
Cached:         109720 kB
SwapCached:       5132 kB
Active:          60840 kB
Inactive:       101096 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1831640 kB
SwapTotal:     4192956 kB
SwapFree:      4180828 kB
Dirty:            1180 kB
Writeback:           0 kB
Mapped:          13812 kB
Slab:            48204 kB
Committed_AS:   185172 kB
PageTables:       1468 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264960 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

CONVERSION COMMAND LINE= PBconversionToLinear HOME/instance-1883548-1245194650.opb

Free space on /tmp at the end= 66272 MiB
End job on node31 at 2009-06-17 01:24:11