Trace number 2700801

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
PB/CT 0.1 fixedOPTIMUM 1.83572 1.83608

General information on the benchmark

Name/PARTIAL-BIGINT-LIN/wcsp/bwt/
normalized-bwt5bc_wcsp.wbo
MD5SUM0e1a5fa327eef36773918cc05fbcc929
Bench CategoryPARTIAL-BIGINT-LIN (both soft and hard constraints, big integers, linear constraints)
Best result obtained on this benchmarkMOPT
Best cost obtained on this benchmark338
Best CPU time to get the best result obtained on this benchmark1.83572
Max-Satisfiable
Max-(Un)Satisfiability was proved
Best value of the cost
Optimality of the best cost was proved
Number of variables1460
Total number of constraints39214
Number of soft constraints38783
Number of constraints which are clauses38783
Number of constraints which are cardinality constraints (but not clauses)431
Number of constraints which are nor clauses,nor cardinality constraints0
Minimum length of a constraint1
Maximum length of a constraint27
Top cost 11646
Min constraint cost 1
Max constraint cost 11646
Sum of constraints costs 448380107
Biggest number in a constraint 1
Number of bits of the biggest number in a constraint 1
Biggest sum of numbers in a constraint 28
Number of bits of the biggest sum of numbers5
Number of products (including duplicates)0
Sum of products size (including duplicates)0
Number of different products0
Sum of products size0

Quality of the solution as a function of time


Download the above graph as a PDF file / as an EPS file

Solver Data 

0.00/0.00	c PB/CT 0.1.2 http://www.residual.se/pbct
0.00/0.00	c Based on OpenSMT/CT 20091015
0.19/0.23	c constraints 431/0 clauses 0/38783 units 0
0.19/0.23	c vars 1460
0.19/0.23	c Setting top cost 11646
1.29/1.37	c 1.25781 223.387 25 40676
1.29/1.37	o 349
1.29/1.38	c 1.26881 229.254 26 40793
1.29/1.38	o 341
1.29/1.38	c 1.27481 229.254 26 40828
1.29/1.38	o 338
1.29/1.39	c 1.28181 229.254 28 40830
1.29/1.39	s OPTIMUM FOUND
1.29/1.39	v x1 -x2 x3 -x4 x5 -x6 -x7 x8 -x9 x10 -x11 -x12 x13 -x14 -x15 x16 -x17 x18 -x19 -x20 -x21 -x22 -x23 -x24 -x25 -x26 x27 x28 -x29 -x30 -x31 -x32 -x33 -x34 x35 -x36 -x37 -x38 -x39 -x40 -x41 x42 -x43 -x44 -x45 -x46 -x47 -x48 x49 -x50 -x51 -x52 -x53 -x54 -x55 -x56 -x57 -x58 -x59 x60 -x61 -x62 -x63 -x64 -x65 -x66 -x67 -x68 -x69 -x70 x71 -x72 -x73 -x74 -x75 -x76 -x77 -x78 -x79 -x80 -x81 -x82 x83 -x84 -x85 -x86 -x87 -x88 -x89 -x90 -x91 -x92 x93 -x94 x95 -x96 x97 -x98 x99 -x100 x101 -x102 x103 -x104 x105 -x106 x107 -x108 x109 -x110 x111 -x112 x113 -x114 x115 -x116 x117 -x118 x119 -x120 x121 -x122 x123 -x124 x125 -x126 -x127 x128 -x129 -x130 x131 -x132 -x133 x134 -x135 -x136 x137 -x138 -x139 x140 -x141 -x142 -x143 x144 -x145 x146 -x147 -x148 x149 -x150 -x151 -x152 x153 -x154 x155 -x156 -x157 x158 -x159 -x160 -x161 -x162 x163 x164 -x165 -x166 x167 -x168 -x169 x170 -x171 -x172 x173 -x174 -x175 x176 -x177 -x178 x179 -x180 -x181 x182 -x183 -x184 -x185 -x186 -x187 -x188 x189 -x190 -x191 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-x1354 -x1355 -x1356 -x1357 x1358 -x1359 -x1360 -x1361 -x1362 -x1363 x1364 -x1365 -x1366 x1367 -x1368 -x1369 -x1370 x1371 -x1372 -x1373 x1374 -x1375 -x1376 x1377 -x1378 x1379 -x1380 x1381 -x1382 x1383 -x1384 x1385 -x1386 x1387 -x1388 x1389 -x1390 x1391 -x1392 x1393 -x1394 -x1395 x1396 x1397 -x1398 x1399 -x1400 x1401 -x1402 x1403 -x1404 x1405 -x1406 x1407 -x1408 x1409 -x1410 x1411 -x1412 x1413 -x1414 x1415 -x1416 x1417 -x1418 x1419 -x1420 x1421 -x1422 x1423 -x1424 x1425 -x1426 x1427 -x1428 x1429 -x1430 x1431 -x1432 x1433 -x1434 -x1435 x1436 x1437 -x1438 x1439 -x1440 -x1441 x1442 x1443 -x1444 -x1445 x1446 -x1447 x1448 -x1449 x1450 x1451 -x1452 x1453 -x1454 -x1455 x1456 -x1457 x1458 -x1459 x1460

Verifier Data 

OK	338

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2700801-1278536257/watcher-2700801-1278536257 -o /tmp/evaluation-result-2700801-1278536257/solver-2700801-1278536257 -C 1800 -W 2000 -M 3800 HOME/pbct --model HOME/instance-2700801-1278536257.wbo 

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): 3891200 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 3942400 KiB
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 2.64 4.11 3.31 4/196 20066
/proc/meminfo: memFree=29533200/32951124 swapFree=67111528/67111528
[pid=20066] ppid=20064 vsize=2268 CPUtime=0
/proc/20066/stat : 20066 (pbct) R 20064 20066 17447 0 -1 4202496 291 0 0 0 0 0 0 0 25 0 1 0 21840756 2322432 210 4089446400 134512640 136422188 4289455728 18446744073709551615 135811945 0 0 4096 0 0 0 0 17 0 0 0 0
/proc/20066/statm: 567 210 144 467 0 98 0

[startup+0.0125481 s]
/proc/loadavg: 2.64 4.11 3.31 4/196 20066
/proc/meminfo: memFree=29533200/32951124 swapFree=67111528/67111528
[pid=20066] ppid=20064 vsize=2412 CPUtime=0.01
/proc/20066/stat : 20066 (pbct) R 20064 20066 17447 0 -1 4202496 310 0 0 0 1 0 0 0 25 0 1 0 21840756 2469888 229 4089446400 134512640 136422188 4289455728 18446744073709551615 134518245 0 0 4096 0 0 0 0 17 0 0 0 0
/proc/20066/statm: 603 230 144 467 0 134 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 2412

[startup+0.100531 s]
/proc/loadavg: 2.64 4.11 3.31 4/196 20066
/proc/meminfo: memFree=29533200/32951124 swapFree=67111528/67111528
[pid=20066] ppid=20064 vsize=3852 CPUtime=0.09
/proc/20066/stat : 20066 (pbct) R 20064 20066 17447 0 -1 4202496 702 0 0 0 9 0 0 0 25 0 1 0 21840756 3944448 523 4089446400 134512640 136422188 4289455728 18446744073709551615 135529056 0 0 4096 0 0 0 0 17 0 0 0 0
/proc/20066/statm: 963 523 144 467 0 494 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 3852

[startup+0.300493 s]
/proc/loadavg: 2.64 4.11 3.31 4/196 20066
/proc/meminfo: memFree=29533200/32951124 swapFree=67111528/67111528
[pid=20066] ppid=20064 vsize=20272 CPUtime=0.29
/proc/20066/stat : 20066 (pbct) R 20064 20066 17447 0 -1 4202496 4895 0 0 0 29 0 0 0 25 0 1 0 21840756 20758528 4587 4089446400 134512640 136422188 4289455728 18446744073709551615 135801412 0 0 4096 16387 0 0 0 17 0 0 0 0
/proc/20066/statm: 5068 4589 195 467 0 4599 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 20272

[startup+0.700418 s]
/proc/loadavg: 2.64 4.11 3.31 4/196 20066
/proc/meminfo: memFree=29533200/32951124 swapFree=67111528/67111528
[pid=20066] ppid=20064 vsize=106756 CPUtime=0.69
/proc/20066/stat : 20066 (pbct) R 20064 20066 17447 0 -1 4202496 27184 0 0 0 66 3 0 0 25 0 1 0 21840756 109318144 26015 4089446400 134512640 136422188 4289455728 18446744073709551615 134632651 0 0 4096 16387 0 0 0 17 0 0 0 0
/proc/20066/statm: 26689 26015 195 467 0 26220 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 106756

[startup+1.50028 s]
/proc/loadavg: 2.64 4.11 3.31 3/197 20067
/proc/meminfo: memFree=29360708/32951124 swapFree=67111528/67111528
[pid=20066] ppid=20064 vsize=225204 CPUtime=1.49
/proc/20066/stat : 20066 (pbct) R 20064 20066 17447 0 -1 4202496 60269 0 0 0 138 11 0 0 25 0 1 0 21840756 230608896 54187 4089446400 134512640 136422188 4289455728 18446744073709551615 135801495 0 0 4096 16387 0 0 0 17 0 0 0 0
/proc/20066/statm: 56301 54187 240 467 0 55832 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 225204

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

[startup+1.70023 s]
/proc/loadavg: 2.64 4.11 3.31 3/197 20067
/proc/meminfo: memFree=29360708/32951124 swapFree=67111528/67111528
[pid=20066] ppid=20064 vsize=218768 CPUtime=1.69
/proc/20066/stat : 20066 (pbct) R 20064 20066 17447 0 -1 4202496 60269 0 0 0 158 11 0 0 25 0 1 0 21840756 224018432 53010 4089446400 134512640 136422188 4289455728 18446744073709551615 135801297 0 0 4096 16387 0 0 0 17 0 0 0 0
/proc/20066/statm: 54692 53010 240 467 0 54223 0
Current children cumulated CPU time (s) 1.69
Current children cumulated vsize (KiB) 218768

[startup+1.80021 s]
/proc/loadavg: 2.64 4.11 3.31 3/197 20067
/proc/meminfo: memFree=29360708/32951124 swapFree=67111528/67111528
[pid=20066] ppid=20064 vsize=206416 CPUtime=1.79
/proc/20066/stat : 20066 (pbct) R 20064 20066 17447 0 -1 4202496 60269 0 0 0 168 11 0 0 25 0 1 0 21840756 211369984 51070 4089446400 134512640 136422188 4289455728 18446744073709551615 135801450 0 0 4096 16387 0 0 0 17 0 0 0 0
/proc/20066/statm: 51604 51070 240 467 0 51135 0
Current children cumulated CPU time (s) 1.79
Current children cumulated vsize (KiB) 206416

Child status: 0
Real time (s): 1.83608
CPU time (s): 1.83572
CPU user time (s): 1.71074
CPU system time (s): 0.124981
CPU usage (%): 99.9804
Max. virtual memory (cumulated for all children) (KiB): 229308

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.71074
system time used= 0.124981
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 60270
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= 1
involuntary context switches= 41

runsolver used 0.001999 second user time and 0.011998 second system time

The end

Launcher Data 

Begin job on node102 at 2010-07-07 22:57:37
IDJOB=2700801
IDBENCH=79473
IDSOLVER=1212
FILE ID=node102/2700801-1278536257
PBS_JOBID= 11239274
Free space on /tmp= 72992 MiB

SOLVER NAME= PB/CT 0.1 fixed
BENCH NAME= PB10/normalized-PB10/PARTIAL-BIGINT-LIN/wcsp/bwt/normalized-bwt5bc_wcsp.wbo
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2700801-1278536257/watcher-2700801-1278536257 -o /tmp/evaluation-result-2700801-1278536257/solver-2700801-1278536257 -C 1800 -W 2000 -M 3800  HOME/pbct --model HOME/instance-2700801-1278536257.wbo

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 3800 MiB
MAX NB THREAD= 0

MD5SUM BENCH= 0e1a5fa327eef36773918cc05fbcc929
RANDOM SEED=722908209

node102.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		: 2666.806
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	: 5333.61
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		: 2666.806
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		: 2666.806
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	: 5332.82
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		: 2666.806
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		: 2666.806
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	: 5332.85
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		: 2666.806
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		: 2666.806
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		: 2666.806
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	: 5397.87
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]


/proc/meminfo:
MemTotal:     32951124 kB
MemFree:      29533844 kB
Buffers:        137896 kB
Cached:        2972732 kB
SwapCached:          0 kB
Active:        1176064 kB
Inactive:      2048048 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951124 kB
LowFree:      29533844 kB
SwapTotal:    67111528 kB
SwapFree:     67111528 kB
Dirty:            3388 kB
Writeback:           0 kB
AnonPages:      112988 kB
Mapped:          20276 kB
Slab:           128936 kB
PageTables:       4832 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587088 kB
Committed_AS:  1647612 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= 72992 MiB
End job on node102 at 2010-07-07 22:57:39