Trace number 360735

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, and are wall clock time (not CPU 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
bsolo 3.0.16SAT 3.54046 3.5505

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB05/aloul/
FPGA_SAT05/normalized-fpga35_33_sat_pb.cnf.cr.opb
MD5SUMd807de21f10c00acae1479f7b1348df5
Bench CategorySATUNSAT-SMALLINT-LIN (no optimisation, small integers, linear constraints)
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 benchmark0.036993
Has Objective FunctionNO
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved NO
Number of variables1733
Total number of constraints1256
Number of constraints which are clauses1188
Number of constraints which are cardinality constraints (but not clauses)68
Number of constraints which are nor clauses,nor cardinality constraints0
Minimum length of a constraint17
Maximum length of a constraint35
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 1
Number of bits of the biggest number in a constraint 1
Biggest sum of numbers in a constraint 36
Number of bits of the biggest sum of numbers6
Number of products (including duplicates)0
Sum of products size (including duplicates)0
Number of different products0
Sum of products size0

Solver Data (download as text)

0.00/0.01	c bsolo beta version 3.0.16 - 04/04/2007 : 1458 GMT
0.00/0.01	c Developed by Vasco Manquinho IST/UTL - INESC-ID
0.00/0.01	c type "bsolo -h" for help
0.00/0.01	c Time Limit set via environment variable PBTIMEOUT to 1800
0.00/0.01	c Time Limit set to 1800
0.00/0.01	c Memory Limit set to 1800 MB
0.00/0.01	c Instance file /tmp/evaluation/360735-1176974960/instance-360735-1176974960.opb
0.00/0.01	c File size is 213795 bytes.
0.00/0.04	c Highest Coefficient sum: 36
0.00/0.04	c Parsing was ok!!
0.00/0.04	c Total parsing time: 0.038 s
0.00/0.04	c Var: 1733 Constr: 1256 1188/68/0 Lit: 23117 Watch. Lit: 4109
0.00/0.04	c Obj. Vars: 0 (0 % of total variables)
0.08/0.14	c Pre-processing Time: 0.139 s
0.08/0.14	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.08/0.14	c        0   1733     1256    23117   18     4109   15900      0      0 0.14
0.08/0.14	c Switching off LPR mode.
3.49/3.54	c      100   1733     1356    53072   39     4309   17491    100    617 0.16
3.49/3.54	c      251   1733     1507    83700   55     4611   19241    251   1328 0.19
3.49/3.54	c      476   1733     1732   118920   68     5061   21166    476   2115 0.23
3.49/3.54	c      814   1733     2070   218168  105     5737   23283    814   2575 0.32
3.49/3.54	c     1323   1733     2579   315126  122     6755   25612   1323   3091 0.43
3.49/3.54	c     2087   1733     3343   463085  138     8283   28174   2087   3024 0.69
3.49/3.54	c     3234   1733     4490   614204  136    10577   30992   3234   2743 1.18
3.49/3.54	c     4955   1733     6211  1312768  211    14019   34092   4955   1897 2.61
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3.49/3.54	v -x378 -x383 -x727 -x657 -x863 -x144 -x633 x109 -x981 -x982 -x984 -x985 -x987 -x990 -x992 -x1002 -x1003 -x1004 -x1010 -x1014
3.49/3.54	v -x655 -x735 -x438 -x135 -x1047 -x549 -x1077 -x866 -x152 -x155 -x1035 -x1071 -x411 -x421 -x425 -x428 -x433 -x434 -x435 -x439
3.49/3.54	v -x441 -x445 -x450 -x453 -x1018 -x541 -x702 -x526 -x529 -x531 -x540 -x542 -x556 -x233 -x701 -x230 -x414 -x244 -x703 -x704
3.49/3.54	v -x706 -x709 -x711 -x718 -x722 -x723 -x726 -x734 -x824 -x146 -x148 -x158 -x161 -x164 -x169 -x172 -x481 -x1054 -x1042 -x1059
3.49/3.54	v -x239 -x654 -x403 -x236 -x656 -x220 -x845 -x467 -x869 -x631 x413 -x1052 -x1053 -x1056 -x1060 -x1061 -x1064 x1067 -x1070
3.49/3.54	v -x1075 -x1078 -x482 -x393 -x810 -x1046 -x386 -x390 -x391 -x396 -x399 -x406 -x410 -x412 -x415 -x417 -x418 -x211 -x1028 -x833
3.49/3.54	v -x856 -x462 -x1031 -x488 -x860 -x1033 -x825 -x638 -x841 -x843 -x846 -x855 -x857 -x861 -x872 -x124 -x632 -x840 -x470 -x472
3.49/3.54	v -x474 -x476 x635 -x831 -x812 -x111 -x126 -x128 -x130 -x659 -x1019 -x808 -x640 -x234 -x636 -x646 -x651 -x662 -x829 -x1022
3.49/3.54	v -x1034 -x213 -x214 -x811 -x212 -x215
3.49/3.54	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
3.49/3.54	c    8     5843   1856   167731     7099  1731019   5843   1653 3.53
3.49/3.54	s SATISFIABLE
3.49/3.54	c Total time: 3.533 s

Verifier Data (download as text)

OK	0

Watcher Data (download as text)

runsolver version 3.2.2 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node22/watcher-360735-1176974960 -o ROOT/results/node22/solver-360735-1176974960 -C 1800 -W 3600 -M 1800 --output-limit 1,15 bsolo3.0.16 -t1800 -m1800 /tmp/evaluation/360735-1176974960/instance-360735-1176974960.opb 

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): 3600 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
Solver output will be limited to a maximum of 15728640 bytes. The first 1048576 bytes and the last 14680064 bytes will be preserved
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 0.00 0.00 0.14 3/77 6736
/proc/meminfo: memFree=1421360/2055920 swapFree=4168584/4192956
[pid=6736] ppid=6734 vsize=2380 CPUtime=0
/proc/6736/stat : 6736 (bsolo3.0.16) D 6734 6736 6037 0 -1 4194304 54 0 0 0 0 0 0 0 18 0 1 0 145413675 2437120 37 18446744073709551615 134512640 135841103 4294956640 18446744073709551615 4678564 0 0 4096 0 18446744071563608240 0 0 17 1 0 0
/proc/6736/statm: 595 37 29 324 0 8 0

[startup+0.0822149 s]
/proc/loadavg: 0.00 0.00 0.14 3/77 6736
/proc/meminfo: memFree=1421360/2055920 swapFree=4168584/4192956
[pid=6736] ppid=6734 vsize=4996 CPUtime=0.06
/proc/6736/stat : 6736 (bsolo3.0.16) R 6734 6736 6037 0 -1 4194304 721 0 0 0 6 0 0 0 18 0 1 0 145413675 5115904 636 18446744073709551615 134512640 135841103 4294956640 18446744073709551615 4294960144 0 0 4096 16384 0 0 0 17 1 0 0
/proc/6736/statm: 1249 636 307 324 0 318 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 4996

[startup+0.101218 s]
/proc/loadavg: 0.00 0.00 0.14 3/77 6736
/proc/meminfo: memFree=1421360/2055920 swapFree=4168584/4192956
[pid=6736] ppid=6734 vsize=4996 CPUtime=0.08
/proc/6736/stat : 6736 (bsolo3.0.16) R 6734 6736 6037 0 -1 4194304 721 0 0 0 8 0 0 0 18 0 1 0 145413675 5115904 636 18446744073709551615 134512640 135841103 4294956640 18446744073709551615 4294960144 0 0 4096 16384 0 0 0 17 1 0 0
/proc/6736/statm: 1249 636 307 324 0 318 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 4996

[startup+0.301249 s]
/proc/loadavg: 0.00 0.00 0.14 3/77 6736
/proc/meminfo: memFree=1421360/2055920 swapFree=4168584/4192956
[pid=6736] ppid=6734 vsize=6936 CPUtime=0.28
/proc/6736/stat : 6736 (bsolo3.0.16) R 6734 6736 6037 0 -1 4194304 1185 0 0 0 27 1 0 0 19 0 1 0 145413675 7102464 1100 18446744073709551615 134512640 135841103 4294956640 18446744073709551615 4294960144 0 0 4096 16384 0 0 0 17 1 0 0
/proc/6736/statm: 1734 1100 312 324 0 803 0
Current children cumulated CPU time (s) 0.28
Current children cumulated vsize (KiB) 6936

[startup+0.701309 s]
/proc/loadavg: 0.00 0.00 0.14 3/77 6736
/proc/meminfo: memFree=1421360/2055920 swapFree=4168584/4192956
[pid=6736] ppid=6734 vsize=10532 CPUtime=0.68
/proc/6736/stat : 6736 (bsolo3.0.16) R 6734 6736 6037 0 -1 4194304 2093 0 0 0 67 1 0 0 22 0 1 0 145413675 10784768 2008 18446744073709551615 134512640 135841103 4294956640 18446744073709551615 4294960144 0 0 4096 16384 0 0 0 17 1 0 0
/proc/6736/statm: 2633 2008 312 324 0 1702 0
Current children cumulated CPU time (s) 0.68
Current children cumulated vsize (KiB) 10532

[startup+1.50143 s]
/proc/loadavg: 0.00 0.00 0.14 2/78 6737
/proc/meminfo: memFree=1413608/2055920 swapFree=4168584/4192956
[pid=6736] ppid=6734 vsize=12984 CPUtime=1.48
/proc/6736/stat : 6736 (bsolo3.0.16) R 6734 6736 6037 0 -1 4194304 2712 0 0 0 139 9 0 0 25 0 1 0 145413675 13295616 2627 18446744073709551615 134512640 135841103 4294956640 18446744073709551615 4294960144 0 0 4096 16384 0 0 0 17 1 0 0
/proc/6736/statm: 3246 2627 312 324 0 2315 0
Current children cumulated CPU time (s) 1.48
Current children cumulated vsize (KiB) 12984

[startup+3.10168 s]
/proc/loadavg: 0.00 0.00 0.14 2/78 6737
/proc/meminfo: memFree=1406504/2055920 swapFree=4168584/4192956
[pid=6736] ppid=6734 vsize=24688 CPUtime=3.08
/proc/6736/stat : 6736 (bsolo3.0.16) R 6734 6736 6037 0 -1 4194304 5646 0 0 0 297 11 0 0 25 0 1 0 145413675 25280512 5561 18446744073709551615 134512640 135841103 4294956640 18446744073709551615 134551085 0 0 4096 16384 0 0 0 17 1 0 0
/proc/6736/statm: 6172 5561 312 324 0 5241 0
Current children cumulated CPU time (s) 3.08
Current children cumulated vsize (KiB) 24688

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

[startup+3.50174 s]
/proc/loadavg: 0.00 0.00 0.14 2/78 6737
/proc/meminfo: memFree=1399400/2055920 swapFree=4168584/4192956
[pid=6736] ppid=6734 vsize=26868 CPUtime=3.49
/proc/6736/stat : 6736 (bsolo3.0.16) R 6734 6736 6037 0 -1 4194304 6185 0 0 0 337 12 0 0 25 0 1 0 145413675 27512832 6100 18446744073709551615 134512640 135841103 4294956640 18446744073709551615 4294960144 0 0 4096 16384 0 0 0 17 1 0 0
/proc/6736/statm: 6717 6100 312 324 0 5786 0
Current children cumulated CPU time (s) 3.49
Current children cumulated vsize (KiB) 26868

Child status: 0
Real time (s): 3.5505
CPU time (s): 3.54046
CPU user time (s): 3.41548
CPU system time (s): 0.124981
CPU usage (%): 99.7173
Max. virtual memory (cumulated for all children) (KiB): 26868

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 3.41548
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= 6224
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= 16
involuntary context switches= 9

runsolver used 0.006998 second user time and 0.014997 second system time

The end

Launcher Data (download as text)

Begin job on node22 on Thu Apr 19 09:29:20 UTC 2007

IDJOB= 360735
IDBENCH= 1392
IDSOLVER= 163
FILE ID= node22/360735-1176974960

PBS_JOBID= 4630289

Free space on /tmp= 66495 MiB

SOLVER NAME= bsolo 3.0.16
BENCH NAME= HOME/pub/bench/PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB05/aloul/FPGA_SAT05/normalized-fpga35_33_sat_pb.cnf.cr.opb
COMMAND LINE= bsolo3.0.16 -t1800 -m1800 /tmp/evaluation/360735-1176974960/instance-360735-1176974960.opb            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node22/watcher-360735-1176974960 -o ROOT/results/node22/solver-360735-1176974960 -C 1800 -W 3600 -M 1800 --output-limit 1,15  bsolo3.0.16 -t1800 -m1800 /tmp/evaluation/360735-1176974960/instance-360735-1176974960.opb            

META MD5SUM SOLVER= b11bf0769a124f73ad50b0fdfcd50482
MD5SUM BENCH=  d807de21f10c00acae1479f7b1348df5

RANDOM SEED= 264082203

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 1800 MiB

Linux node22.alineos.net 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005 x86_64 x86_64 x86_64 GNU/Linux

/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		: 3000.265
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		: 3000.265
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:       1421960 kB
Buffers:         49112 kB
Cached:         490044 kB
SwapCached:       2192 kB
Active:          53940 kB
Inactive:       508088 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1421960 kB
SwapTotal:     4192956 kB
SwapFree:      4168584 kB
Dirty:            4608 kB
Writeback:           0 kB
Mapped:          30700 kB
Slab:            57520 kB
Committed_AS:  1794384 kB
PageTables:       1676 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264952 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66495 MiB

End job on node22 on Thu Apr 19 09:29:24 UTC 2007