Trace number 1877327

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
bsolo 3.1SAT 7.50786 7.5113

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/
wnqueen/normalized-t2001.13queen13.1110974553.opb
MD5SUMa8a51c2e735c1a05850a59dcf05a69f7
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 benchmark0.493924
Has Objective FunctionNO
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved NO
Number of variables169
Total number of constraints101
Number of constraints which are clauses30
Number of constraints which are cardinality constraints (but not clauses)70
Number of constraints which are nor clauses,nor cardinality constraints1
Minimum length of a constraint2
Maximum length of a constraint169
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 38
Number of bits of the biggest number in a constraint 6
Biggest sum of numbers in a constraint 1165
Number of bits of the biggest sum of numbers11
Number of products (including duplicates)0
Sum of products size (including duplicates)0
Number of different products0
Sum of products size0

Solver Data 

0.00/0.00	c bsolo beta version 3.1 - 13/04/2009 : 1630 GMT
0.00/0.00	c Developed by Vasco Manquinho and José Santos IST/UTL - INESC-ID
0.00/0.00	c type "bsolo -h" for help
0.00/0.00	c Time Limit set via environment variable PBTIMEOUT to 1800
0.00/0.00	c Learning Strategy: Cardinality Constraint Learning
0.00/0.00	c Time Limit set to 1800
0.00/0.00	c Memory Limit set to 1800 MB
0.00/0.00	c Instance file HOME/instance-1877327-1245115903.opb
0.00/0.00	c File size is 9902 bytes.
0.00/0.00	c Highest Coefficient sum: 1165
0.00/0.00	c Parsing was ok!!
0.00/0.00	c Total parsing time: 0 s
0.00/0.00	c Var: 169 Constr: 101 30/70/1 Lit: 1205 Watch. Lit: 897
0.00/0.00	c Obj. Vars: 0 (0 % of total variables)
0.00/0.00	c Pre-processing Time: 0.005 s
0.00/0.00	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.00/0.00	c        0    169       99     1179   11      879    2563      0      0 0.01
0.00/0.00	c Switching off lower bounding mode.
7.49/7.51	c      101    169      203     4388   21     1096    2820    104   4391 0.02
7.49/7.51	c      251    169      360     9601   26     1410    3103    261   4735 0.05
7.49/7.51	c      476    169      593    17651   29     1883    3414    494   4576 0.10
7.49/7.51	c      814    169      940    29765   31     2578    3756    841   4261 0.19
7.49/7.51	c     1323    169     1464    44772   30     3623    4132   1365   4021 0.33
7.49/7.51	c     2086    169     2264    71795   31     5226    4546   2165   3447 0.60
7.49/7.51	c     3233    169     3441   114254   33     7582    5001   3342   2941 1.10
7.49/7.51	c     4954    169     2635    95195   36     5974    5502   2536   2345 2.11
7.49/7.51	c     7540    169     5292   198487   37    11297    6053   5193   2093 3.60
7.49/7.51	c    11421    169     3127   129195   41     6974    6659   3028   1807 6.32
7.49/7.51	c Backtracks by Clause: 13100
7.49/7.51	c Backtracks by PB constraint: 2
7.49/7.51	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 
7.49/7.51	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
7.49/7.51	c   10    13102   3928    22968     4884   212272   4785   1745 7.50
7.49/7.51	s SATISFIABLE
7.49/7.51	c Total time: 7.505 s

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-1877327-1245115903/watcher-1877327-1245115903 -o /tmp/evaluation-result-1877327-1245115903/solver-1877327-1245115903 -C 1800 -W 2000 -M 1800 bsolo -l2 -t1800 -m1800 HOME/instance-1877327-1245115903.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): 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: 0.94 0.98 1.06 3/64 5273
/proc/meminfo: memFree=1211816/2055920 swapFree=4180792/4192956
[pid=5273] ppid=5271 vsize=10708 CPUtime=0
/proc/5273/stat : 5273 (bsolo) R 5271 5273 5092 0 -1 4194304 258 0 0 0 0 0 0 0 18 0 1 0 179190268 10964992 239 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/5273/statm: 2677 239 188 640 0 2033 0

[startup+0.0150211 s]
/proc/loadavg: 0.94 0.98 1.06 3/64 5273
/proc/meminfo: memFree=1211816/2055920 swapFree=4180792/4192956
[pid=5273] ppid=5271 vsize=10708 CPUtime=0.01
/proc/5273/stat : 5273 (bsolo) R 5271 5273 5092 0 -1 4194304 273 0 0 0 1 0 0 0 18 0 1 0 179190268 10964992 254 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/5273/statm: 2677 254 196 640 0 2033 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 10708

[startup+0.101035 s]
/proc/loadavg: 0.94 0.98 1.06 3/64 5273
/proc/meminfo: memFree=1211816/2055920 swapFree=4180792/4192956
[pid=5273] ppid=5271 vsize=10956 CPUtime=0.09
/proc/5273/stat : 5273 (bsolo) R 5271 5273 5092 0 -1 4194304 331 0 0 0 9 0 0 0 18 0 1 0 179190268 11218944 312 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/5273/statm: 2739 312 196 640 0 2095 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 10956

[startup+0.301068 s]
/proc/loadavg: 0.94 0.98 1.06 3/64 5273
/proc/meminfo: memFree=1211816/2055920 swapFree=4180792/4192956
[pid=5273] ppid=5271 vsize=11328 CPUtime=0.29
/proc/5273/stat : 5273 (bsolo) R 5271 5273 5092 0 -1 4194304 431 0 0 0 29 0 0 0 19 0 1 0 179190268 11599872 412 1992294400 134512640 137136520 4294956256 18446744073709551615 136504651 0 0 4096 16384 0 0 0 17 1 0 0
/proc/5273/statm: 2832 412 196 640 0 2188 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 11328

[startup+0.701134 s]
/proc/loadavg: 0.94 0.98 1.06 3/64 5273
/proc/meminfo: memFree=1211816/2055920 swapFree=4180792/4192956
[pid=5273] ppid=5271 vsize=11944 CPUtime=0.69
/proc/5273/stat : 5273 (bsolo) R 5271 5273 5092 0 -1 4194304 581 0 0 0 69 0 0 0 22 0 1 0 179190268 12230656 562 1992294400 134512640 137136520 4294956256 18446744073709551615 134544518 0 0 4096 16384 0 0 0 17 1 0 0
/proc/5273/statm: 2986 562 196 640 0 2342 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 11944

[startup+1.50127 s]
/proc/loadavg: 0.94 0.98 1.06 2/65 5274
/proc/meminfo: memFree=1209888/2055920 swapFree=4180792/4192956
[pid=5273] ppid=5271 vsize=12936 CPUtime=1.49
/proc/5273/stat : 5273 (bsolo) R 5271 5273 5092 0 -1 4194304 850 0 0 0 149 0 0 0 25 0 1 0 179190268 13246464 831 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/5273/statm: 3234 831 196 640 0 2590 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 12936

[startup+3.10153 s]
/proc/loadavg: 0.95 0.98 1.06 2/65 5274
/proc/meminfo: memFree=1208480/2055920 swapFree=4180792/4192956
[pid=5273] ppid=5271 vsize=13560 CPUtime=3.09
/proc/5273/stat : 5273 (bsolo) R 5271 5273 5092 0 -1 4194304 991 0 0 0 308 1 0 0 25 0 1 0 179190268 13885440 972 1992294400 134512640 137136520 4294956256 18446744073709551615 134544162 0 0 4096 16384 0 0 0 17 1 0 0
/proc/5273/statm: 3390 972 196 640 0 2746 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 13560

[startup+6.30111 s]
/proc/loadavg: 0.95 0.98 1.06 2/65 5274
/proc/meminfo: memFree=1207584/2055920 swapFree=4180792/4192956
[pid=5273] ppid=5271 vsize=14540 CPUtime=6.29
/proc/5273/stat : 5273 (bsolo) R 5271 5273 5092 0 -1 4194304 1244 0 0 0 627 2 0 0 25 0 1 0 179190268 14888960 1225 1992294400 134512640 137136520 4294956256 18446744073709551615 134545035 0 0 4096 16384 0 0 0 17 1 0 0
/proc/5273/statm: 3635 1225 196 640 0 2991 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 14540

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

[startup+7.10124 s]
/proc/loadavg: 0.95 0.98 1.06 2/65 5274
/proc/meminfo: memFree=1207456/2055920 swapFree=4180792/4192956
[pid=5273] ppid=5271 vsize=14540 CPUtime=7.09
/proc/5273/stat : 5273 (bsolo) R 5271 5273 5092 0 -1 4194304 1249 0 0 0 707 2 0 0 25 0 1 0 179190268 14888960 1230 1992294400 134512640 137136520 4294956256 18446744073709551615 134544116 0 0 4096 16384 0 0 0 17 1 0 0
/proc/5273/statm: 3635 1230 196 640 0 2991 0
Current children cumulated CPU time (s) 7.09
Current children cumulated vsize (KiB) 14540

[startup+7.50131 s]
/proc/loadavg: 0.95 0.98 1.06 2/65 5274
/proc/meminfo: memFree=1207456/2055920 swapFree=4180792/4192956
[pid=5273] ppid=5271 vsize=14540 CPUtime=7.49
/proc/5273/stat : 5273 (bsolo) R 5271 5273 5092 0 -1 4194304 1249 0 0 0 747 2 0 0 25 0 1 0 179190268 14888960 1230 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/5273/statm: 3635 1230 196 640 0 2991 0
Current children cumulated CPU time (s) 7.49
Current children cumulated vsize (KiB) 14540

Child status: 0
Real time (s): 7.5113
CPU time (s): 7.50786
CPU user time (s): 7.48286
CPU system time (s): 0.024996
CPU usage (%): 99.9541
Max. virtual memory (cumulated for all children) (KiB): 14540

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 7.48286
system time used= 0.024996
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1251
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= 2
involuntary context switches= 4

runsolver used 0.012998 second user time and 0.023996 second system time

The end

Launcher Data 

Begin job on node31 at 2009-06-16 03:31:43
IDJOB=1877327
IDBENCH=1256
IDSOLVER=699
FILE ID=node31/1877327-1245115903
PBS_JOBID= 9363674
Free space on /tmp= 66272 MiB

SOLVER NAME= bsolo 3.1
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/wnqueen/normalized-t2001.13queen13.1110974553.opb
COMMAND LINE= bsolo -l2 -tTIMEOUT -mMEMLIMIT BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1877327-1245115903/watcher-1877327-1245115903 -o /tmp/evaluation-result-1877327-1245115903/solver-1877327-1245115903 -C 1800 -W 2000 -M 1800  bsolo -l2 -t1800 -m1800 HOME/instance-1877327-1245115903.opb

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

MD5SUM BENCH= a8a51c2e735c1a05850a59dcf05a69f7
RANDOM SEED=1431370318

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:       1212232 kB
Buffers:         80544 kB
Cached:         676276 kB
SwapCached:       5188 kB
Active:         124044 kB
Inactive:       640856 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1212232 kB
SwapTotal:     4192956 kB
SwapFree:      4180792 kB
Dirty:            4148 kB
Writeback:           0 kB
Mapped:          13748 kB
Slab:            64500 kB
Committed_AS:   150304 kB
PageTables:       1468 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264960 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66268 MiB
End job on node31 at 2009-06-16 03:31:51