Trace number 35124

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 NameAnswerObjective functionCPU timeWall clock time
minisat+ 1.14OPT262288 10.2934 10.2991

General information on the benchmark

Namenormalized-PB06/OPT-SMALLINT/reduced/mps-v2-20-10/MIPLIB/
miplib/normalized-reduced-mps-v2-20-10-misc01.opb
MD5SUMc2934cbe264e98064d53d09fc14b43dc
Bench CategoryOPT-SMALLINT (optimisation, small integers)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark262288
Best CPU time to get the best result obtained on this benchmark0.181972
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 262288
Optimality of the best value was proved YES
Number of variables113
Total number of constraints54
Number of constraints which are clauses15
Number of constraints which are cardinality constraints (but not clauses)6
Number of constraints which are nor clauses,nor cardinality constraints33
Minimum length of a constraint5
Maximum length of a constraint101
Number of terms in the objective function 31
Biggest coefficient in the objective function 262145
Number of bits for the biggest coefficient in the objective function 19
Sum of the numbers in the objective function 524318
Number of bits of the sum of numbers in the objective function 20
Biggest number in a constraint 262145
Number of bits of the biggest number in a constraint 19
Biggest sum of numbers in a constraint 524336
Number of bits of the biggest sum of numbers20
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 (download as text)

0.00	c Parsing PB file...
0.01	c Converting 71 PB-constraints to clauses...
0.01	c   -- Unit propagations: (none)
0.01	c   -- Detecting intervals from adjacent constraints: #################
0.01	c   -- Clauses(.)/Splits(s): ...............
0.01	c ---[  69]---> Adder-cost: 422   maxlim: 174656   bits: 19/18
0.09	c ---[  67]---> BDD-cost:   21
0.09	c ---[  65]---> BDD-cost:   21
0.09	c ---[  63]---> BDD-cost:   21
0.09	c ---[  61]---> BDD-cost:   21
0.09	c ---[  60]---> BDD-cost:   92
0.09	c ---[  59]---> BDD-cost:   92
0.09	c ---[  42]---> BDD-cost:   33
0.09	c ---[  40]---> BDD-cost:   33
0.09	c ---[  38]---> BDD-cost:   33
0.09	c ---[  36]---> BDD-cost:   33
0.09	c ---[  34]---> Sorter-cost:   65     Base:
0.09	c ---[  32]---> BDD-cost:   33
0.09	c ---[  30]---> BDD-cost:   33
0.09	c ---[  28]---> BDD-cost:   33
0.09	c ---[  26]---> BDD-cost:   33
0.09	c ---[  24]---> BDD-cost:   33
0.09	c ---[  22]---> Sorter-cost:   65     Base:
0.09	c ---[  20]---> BDD-cost:   33
0.09	c ---[  19]---> BDD-cost:   13
0.09	c ---[  18]---> BDD-cost:   13
0.09	c ---[  17]---> BDD-cost:    7
0.09	c ---[  16]---> BDD-cost:    7
0.09	c ---[  15]---> BDD-cost:   26
0.09	c ---[  14]---> BDD-cost:   26
0.09	c ---[  13]---> BDD-cost:   21
0.09	c ---[  12]---> BDD-cost:   21
0.09	c ---[  11]---> BDD-cost:   32
0.09	c ---[  10]---> BDD-cost:   32
0.10	c ---[   9]---> BDD-cost:   21
0.10	c ---[   8]---> BDD-cost:   21
0.10	c ---[   7]---> BDD-cost:   32
0.10	c ---[   6]---> BDD-cost:   32
0.10	c ---[   5]---> BDD-cost:   21
0.10	c ---[   4]---> BDD-cost:   21
0.10	c ---[   3]---> BDD-cost:   21
0.10	c ---[   2]---> BDD-cost:   21
0.10	c ---[   1]---> BDD-cost:   21
0.10	c ---[   0]---> BDD-cost:   21
0.10	c ==================================[MINISAT+]==================================
0.10	c | Conflicts | Original         | Learnt                           | Progress |
0.10	c |           | Clauses Literals |     Max Clauses Literals     LPC |          |
0.10	c ==============================================================================
0.10	c |         0 |    5786    18355 |    1928       0        0     nan |  0.000 % |
0.11	c |       101 |    5786    18355 |    2120     101     2619    25.9 |  5.479 % |
0.12	c |       251 |    5786    18355 |    2332     251     5448    21.7 |  5.479 % |
0.13	c |       476 |    5772    18311 |    2566     474     7559    15.9 |  5.601 % |
0.14	c ==============================================================================
0.14	c Found solution: 262291
0.14	o 262291
0.14	c ---[   0]---> BDD-cost:  107
0.14	c ==================================[MINISAT+]==================================
0.14	c | Conflicts | Original         | Learnt                           | Progress |
0.14	c |           | Clauses Literals |     Max Clauses Literals     LPC |          |
0.14	c ==============================================================================
0.14	c |       593 |    6006    18981 |    2002     590     9581    16.2 |  5.601 % |
0.15	c |       693 |    6006    18981 |    2202     690    10267    14.9 |  5.429 % |
0.16	c |       844 |    6006    18981 |    2422     841    12755    15.2 |  5.429 % |
0.18	c |      1069 |    6006    18981 |    2664    1066    19510    18.3 |  5.429 % |
0.22	c |      1407 |    6006    18981 |    2931    1404    25914    18.5 |  5.429 % |
0.26	c |      1914 |    6006    18981 |    3224    1911    42680    22.3 |  5.429 % |
0.31	c ==============================================================================
0.31	c Found solution: 262289
0.31	o 262289
0.31	c ---[   0]---> BDD-cost:   32
0.32	c ==================================[MINISAT+]==================================
0.32	c | Conflicts | Original         | Learnt                           | Progress |
0.32	c |           | Clauses Literals |     Max Clauses Literals     LPC |          |
0.32	c ==============================================================================
0.32	c |      2412 |    6057    19120 |    2019    2409    49846    20.7 |  5.429 % |
0.33	c |      2512 |    6057    19120 |    2220    1305    22785    17.5 |  5.436 % |
0.34	c |      2662 |    6057    19120 |    2442    1455    25046    17.2 |  5.436 % |
0.37	c |      2887 |    6057    19120 |    2687    1680    29895    17.8 |  5.436 % |
0.40	c |      3224 |    6057    19120 |    2956    2017    41826    20.7 |  5.436 % |
0.45	c |      3730 |    6031    19048 |    3251    2520    57114    22.7 |  5.776 % |
0.51	c |      4489 |    6031    19048 |    3576    3279    69455    21.2 |  5.776 % |
0.64	c |      5628 |    6031    19048 |    3934    2517    43645    17.3 |  5.776 % |
0.85	c |      7337 |    6031    19048 |    4327    4226    83389    19.7 |  5.776 % |
1.18	c |      9899 |    6031    19048 |    4760    4531    95298    21.0 |  5.776 % |
1.74	c |     13744 |    6031    19048 |    5236    3242    59734    18.4 |  5.776 % |
2.53	c |     19510 |    6031    19048 |    5760    3411    68110    20.0 |  5.776 % |
3.81	c |     28159 |    6018    19009 |    6336    2993    51189    17.1 |  5.946 % |
5.82	c |     41133 |    5977    18872 |    6970    2984    54252    18.2 |  6.229 % |
6.09	c ==============================================================================
6.09	c Found solution: 262288
6.09	o 262288
6.09	c ---[   0]---> BDD-cost:   30
6.09	c ==================================[MINISAT+]==================================
6.09	c | Conflicts | Original         | Learnt                           | Progress |
6.09	c |           | Clauses Literals |     Max Clauses Literals     LPC |          |
6.09	c ==============================================================================
6.09	c |     43538 |    6029    19011 |    2009    5389   135980    25.2 |  6.229 % |
6.11	c |     43639 |    6029    19011 |    2209    1449    27441    18.9 |  6.222 % |
6.12	c |     43789 |    6029    19011 |    2430    1599    32934    20.6 |  6.222 % |
6.16	c |     44017 |    6029    19011 |    2673    1827    38308    21.0 |  6.222 % |
6.20	c |     44354 |    6029    19011 |    2941    2164    44647    20.6 |  6.222 % |
6.27	c |     44863 |    6029    19011 |    3235    2673    54016    20.2 |  6.222 % |
6.37	c |     45622 |    6029    19011 |    3559    3432    73042    21.3 |  6.222 % |
6.50	c |     46764 |    6020    18980 |    3914    2708    48434    17.9 |  6.278 % |
6.75	c |     48473 |    6011    18949 |    4306    2275    31383    13.8 |  6.334 % |
7.09	c |     51036 |    6011    18949 |    4737    2571    40020    15.6 |  6.334 % |
7.64	c |     54881 |    6011    18949 |    5210    3849    92241    24.0 |  6.334 % |
8.55	c |     60647 |    6011    18949 |    5731    4051    84462    20.8 |  6.334 % |
9.97	c |     69300 |    6011    18949 |    6305    3654    70498    19.3 |  6.335 % |
10.29	c ==============================================================================
10.29	c Optimal solution: 262288
10.29	s OPTIMUM FOUND
10.29	v 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
10.29	v -x110 -x111 -x112 x113 -x3 -x4 -x5 -x6 -x7 -x8 -x9 -x10 -x11 x12 -x13 x14 -x17 -x18 -x19 -x20 -x21 -x22 -x23 -x24 -x25 -x26 -x27
10.29	v -x28 x31 -x32 -x33 -x34 -x35 -x36 -x37 -x38 -x39 -x40 -x41 -x42 x45 -x46 -x47 -x48 -x49 -x50 -x51 -x52 x53 -x54 -x55 -x56 -x59
10.29	v -x60 -x61 -x62 -x63 x64 -x65 -x66 -x67 -x68 -x69 -x70 x73 x74 -x75 x76 -x77 x78 x79 -x80 x81 -x82 -x1 -x2 -x15 -x16 -x29 -x30 -x43
10.29	v -x44 -x57 -x58 -x71 -x72
10.29	c _______________________________________________________________________________
10.29	c 
10.29	c restarts              : 37
10.29	c conflicts             : 71628          (6963 /sec)
10.29	c decisions             : 103965         (10106 /sec)
10.29	c propagations          : 0              (0 /sec)
10.29	c inspects              : 0              (0 /sec)
10.29	c CPU time              : 10.2874 s
10.29	c _______________________________________________________________________________

Verifier Data (download as text)

OK	262288

Watcher Data (download as text)

Enforcing CPU limit (will send SIGTERM then SIGKILL): 1800 seconds
Enforcing CPUTime (will send SIGXCPU) limit: 1830 seconds
Enforcing Stack size limit: 67108864 bytes
Enforcing memory limit (will send SIGKILL): 1843200 Kb
Enforcing VSIZE limit: 1887436800 bytes
runsolver version 3.0.0 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node4/watcher-35124-1149351357 -o ROOT/results/node4/solver-35124-1149351357 -C 1800 -M 1800 -S 64 ROOT/solvers/PB/PB06final/user7/minisat+ ROOT/tmp/node4/35124-1149351357/instance-35124-1149351357.opb 

Current StackSize limit: 67108864 bytes

/proc/loadavg: 0.91 0.97 0.99 2/64 13943
/proc/meminfo: memFree=1807784/2055920 swapFree=4181420/4192956
[pid=13943] ppid=13941 vsize=1048 CPUtime=0
/proc/13943/stat : 13943 (minisat+) R 13941 13943 13897 0 -1 4194304 116 0 0 0 0 0 0 0 18 0 1 0 200797601 1073152 101 18446744073709551615 134512640 135395479 4294956688 18446744073709551615 134618678 0 0 4096 16386 0 0 0 17 1 0 0
/proc/13943/statm: 262 101 74 215 0 44 0

[startup+10.0024 s]
/proc/loadavg: 0.93 0.97 0.99 2/64 13943
/proc/meminfo: memFree=1805736/2055920 swapFree=4181420/4192956
[pid=13943] ppid=13941 vsize=3000 CPUtime=9.99
/proc/13943/stat : 13943 (minisat+) R 13941 13943 13897 0 -1 4194304 653 0 0 0 999 0 0 0 25 0 1 0 200797601 3072000 638 18446744073709551615 134512640 135395479 4294956688 18446744073709551615 134581415 0 0 4096 16386 0 0 0 17 1 0 0
/proc/13943/statm: 750 638 123 215 0 532 0
Current children cumulated CPU time (s) 9.99
Current children cumulated vsize (Kb) 3000

Child status: 30
Real time (s): 10.2991
CPU time (s): 10.2934
CPU user time (s): 10.2884
CPU system time (s): 0.004999
CPU usage (%): 99.945
Max. virtual memory (cumulated for all children) (Kb): 3000

Launcher Data (download as text)

Begin job on node4 on Sat Jun  3 16:15:57 UTC 2006


FILE ID= 35124-1149351357

PBS_JOBID= 310999

BENCH NAME= HOME/pub/bench/PB06//final/normalized-PB06/OPT-SMALLINT/reduced/mps-v2-20-10/MIPLIB/miplib/normalized-reduced-mps-v2-20-10-misc01.opb
COMMAND LINE= ROOT/solvers/PB/PB06final/user7/minisat+ ROOT/tmp/node4/35124-1149351357/instance-35124-1149351357.opb
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node4/watcher-35124-1149351357 -o ROOT/results/node4/solver-35124-1149351357 -C 1800 -M 1800 -S 64  ROOT/solvers/PB/PB06final/user7/minisat+ ROOT/tmp/node4/35124-1149351357/instance-35124-1149351357.opb

MD5SUM SOLVER= 490d1d4b9bbf010afe7f0af63a5a62db
MD5SUM BENCH=  c2934cbe264e98064d53d09fc14b43dc

RANDOM SEED= 994128750


/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		: 3000.236
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		: 3000.236
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:       1807992 kB
Buffers:         16560 kB
Cached:         172444 kB
SwapCached:       3164 kB
Active:          37868 kB
Inactive:       159740 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1807992 kB
SwapTotal:     4192956 kB
SwapFree:      4181420 kB
Dirty:             252 kB
Writeback:           0 kB
Mapped:          14652 kB
Slab:            36324 kB
Committed_AS:   321952 kB
PageTables:       1500 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264952 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB


End job on node4 on Sat Jun  3 16:16:07 UTC 2006