0.00/0.00 c SCIP version 1.2.1.2 [precision: 8 byte] [memory: block] [mode: optimized] [LP solver: Clp 1.11.1] [Expressions interpreter: NONE]
0.00/0.00 c Copyright (c) 2002-2010 Konrad-Zuse-Zentrum fuer Informationstechnik Berlin (ZIB)
0.00/0.00 c
0.00/0.00 c user parameter file <scip.set> not found - using default parameters
0.00/0.00 c reading problem <HOME/instance-2664945-1276646079.opb>
0.00/0.01 c original problem has 160 variables (160 bin, 0 int, 0 impl, 0 cont) and 109 constraints
0.00/0.01 c problem read
0.00/0.01 c presolving settings loaded
0.00/0.01 c presolving:
0.00/0.02 c (round 1) 5 del vars, 0 del conss, 0 chg bounds, 0 chg sides, 15 chg coeffs, 0 upgd conss, 580 impls, 0 clqs
0.00/0.02 c (round 2) 7 del vars, 0 del conss, 0 chg bounds, 0 chg sides, 15 chg coeffs, 5 upgd conss, 602 impls, 0 clqs
0.00/0.04 c presolving (3 rounds):
0.00/0.04 c 7 deleted vars, 0 deleted constraints, 0 tightened bounds, 0 added holes, 0 changed sides, 15 changed coefficients
0.00/0.04 c 656 implications, 0 cliques
0.00/0.04 c presolved problem has 153 variables (153 bin, 0 int, 0 impl, 0 cont) and 109 constraints
0.00/0.04 c 99 constraints of type <and>
0.00/0.04 c 4 constraints of type <linear>
0.00/0.04 c 6 constraints of type <logicor>
0.00/0.04 c transformed objective value is always integral (scale: 1)
0.00/0.04 c Presolving Time: 0.02
0.00/0.04 c - non default parameters ----------------------------------------------------------------------
0.00/0.04 c # SCIP version 1.2.1.2
0.00/0.04 c
0.00/0.04 c # frequency for displaying node information lines
0.00/0.04 c # [type: int, range: [-1,2147483647], default: 100]
0.00/0.04 c display/freq = 10000
0.00/0.04 c
0.00/0.04 c # maximal time in seconds to run
0.00/0.04 c # [type: real, range: [0,1.79769313486232e+308], default: 1e+20]
0.00/0.04 c limits/time = 1800
0.00/0.04 c
0.00/0.04 c # maximal memory usage in MB; reported memory usage is lower than real memory usage!
0.00/0.04 c # [type: real, range: [0,1.79769313486232e+308], default: 1e+20]
0.00/0.04 c limits/memory = 1620
0.00/0.04 c
0.00/0.04 c # should presolving try to simplify inequalities
0.00/0.04 c # [type: bool, range: {TRUE,FALSE}, default: FALSE]
0.00/0.04 c constraints/linear/simplifyinequalities = TRUE
0.00/0.04 c
0.00/0.04 c # should presolving try to simplify knapsacks
0.00/0.04 c # [type: bool, range: {TRUE,FALSE}, default: FALSE]
0.00/0.04 c constraints/knapsack/simplifyinequalities = TRUE
0.00/0.04 c
0.00/0.04 c # frequency for calling primal heuristic <undercover> (-1: never, 0: only at depth freqofs)
0.00/0.04 c # [type: int, range: [-1,2147483647], default: -1]
0.00/0.04 c heuristics/undercover/freq = 0
0.00/0.04 c
0.00/0.04 c # frequency for calling separator <rapidlearning> (-1: never, 0: only in root node)
0.00/0.04 c # [type: int, range: [-1,2147483647], default: -1]
0.00/0.04 c separating/rapidlearning/freq = 0
0.00/0.04 c
0.00/0.04 c -----------------------------------------------------------------------------------------------
0.00/0.04 c start solving
0.00/0.04 c
0.00/0.04 c time | node | left |LP iter|LP it/n| mem |mdpt |frac |vars |cons |cols |rows |cuts |confs|strbr| dualbound | primalbound | gap
0.00/0.04 c 0.0s| 1 | 0 | 18 | - | 734k| 0 | 12 | 153 | 109 | 153 | 205 | 0 | 0 | 0 | 2.000000e+00 | -- | Inf
0.09/0.17 c 0.1s| 1 | 0 | 35 | - |1045k| 0 | 22 | 153 | 258 | 153 | 213 | 8 | 0 | 0 | 2.000000e+00 | -- | Inf
0.09/0.18 c 0.1s| 1 | 0 | 67 | - |1090k| 0 | 41 | 153 | 258 | 153 | 232 | 27 | 0 | 0 | 2.000000e+00 | -- | Inf
0.19/0.21 c 0.1s| 1 | 0 | 107 | - |1134k| 0 | 47 | 153 | 258 | 153 | 262 | 57 | 0 | 0 | 2.000000e+00 | -- | Inf
0.19/0.24 c 0.2s| 1 | 0 | 165 | - |1182k| 0 | 56 | 153 | 258 | 153 | 276 | 71 | 0 | 0 | 2.000000e+00 | -- | Inf
0.19/0.28 c 0.2s| 1 | 0 | 210 | - |1299k| 0 | 59 | 153 | 258 | 153 | 303 | 98 | 0 | 0 | 2.000000e+00 | -- | Inf
0.29/0.33 c 0.3s| 1 | 0 | 257 | - |1342k| 0 | 68 | 153 | 258 | 153 | 317 | 112 | 0 | 0 | 2.000000e+00 | -- | Inf
0.39/0.42 c 0.3s| 1 | 2 | 257 | - |1343k| 0 | 68 | 153 | 258 | 153 | 317 | 112 | 0 | 10 | 2.000000e+00 | -- | Inf
3.39/3.44 o 2
3.39/3.44 c * 3.1s| 779 | 0 | 11665 | 14.7 |1665k| 29 | - | 153 | 775 | 153 | 188 |2427 | 531 |1045 | 2.000000e+00 | 2.000000e+00 | 0.00%
3.39/3.44 c
3.39/3.44 c SCIP Status : problem is solved [optimal solution found]
3.39/3.44 c Solving Time (sec) : 3.06
3.39/3.44 c Solving Nodes : 779
3.39/3.44 c Primal Bound : +2.00000000000000e+00 (1 solutions)
3.39/3.44 c Dual Bound : +2.00000000000000e+00
3.39/3.44 c Gap : 0.00 %
3.39/3.44 s OPTIMUM FOUND
3.39/3.44 v -x60 x59 x58 -x57 x56 -x55 -x54 x53 -x52 x51 -x40 x39 x38 x37 -x36 -x50 x49 x48 x47 x46 -x35 -x34 x33 x32 -x31 -x45 -x44 -x43 -x42
3.39/3.44 v -x41 x30 -x29 -x28 x27 -x26 x25 x24 x23 x22 x21 x20 x19 x18 -x17 x16 x15 x14 -x13 x12 x11 -x10 x9 -x8 -x7 x6 -x5 -x4 -x3
3.39/3.44 v x2 -x1
3.39/3.44 c SCIP Status : problem is solved [optimal solution found]
3.39/3.44 c Solving Time : 3.06
3.39/3.44 c Original Problem :
3.39/3.44 c Problem name : HOME/instance-2664945-1276646079.opb
3.39/3.44 c Variables : 160 (160 binary, 0 integer, 0 implicit integer, 0 continuous)
3.39/3.44 c Constraints : 109 initial, 109 maximal
3.39/3.44 c Presolved Problem :
3.39/3.44 c Problem name : t_HOME/instance-2664945-1276646079.opb
3.39/3.44 c Variables : 153 (153 binary, 0 integer, 0 implicit integer, 0 continuous)
3.39/3.44 c Constraints : 109 initial, 775 maximal
3.39/3.44 c Presolvers : Time FixedVars AggrVars ChgTypes ChgBounds AddHoles DelCons ChgSides ChgCoefs
3.39/3.44 c trivial : 0.00 0 0 0 0 0 0 0 0
3.39/3.44 c dualfix : 0.00 0 0 0 0 0 0 0 0
3.39/3.44 c boundshift : 0.00 0 0 0 0 0 0 0 0
3.39/3.44 c inttobinary : 0.00 0 0 0 0 0 0 0 0
3.39/3.44 c implics : 0.00 0 2 0 0 0 0 0 0
3.39/3.44 c probing : 0.02 0 0 0 0 0 0 0 0
3.39/3.44 c and : 0.00 0 0 0 0 0 0 0 0
3.39/3.44 c linear : 0.00 1 4 0 0 0 0 0 15
3.39/3.44 c logicor : 0.00 0 0 0 0 0 0 0 0
3.39/3.44 c root node : - 0 - - 0 - - - -
3.39/3.44 c Constraints : Number #Separate #Propagate #EnfoLP #EnfoPS Cutoffs DomReds Cuts Conss Children
3.39/3.44 c integral : 0 0 0 650 0 2 64 0 0 1236
3.39/3.44 c and : 99 1570 2880 1 0 91 4073 2354 0 0
3.39/3.44 c linear : 4+ 7 2789 1 0 159 1639 5 0 0
3.39/3.44 c logicor : 6+ 6 1171 1 0 10 289 0 0 0
3.39/3.44 c countsols : 0 0 0 1 0 0 0 0 0 0
3.39/3.44 c Constraint Timings : TotalTime Separate Propagate EnfoLP EnfoPS
3.39/3.44 c integral : 1.12 0.00 0.00 1.12 0.00
3.39/3.44 c and : 0.09 0.05 0.04 0.00 0.00
3.39/3.44 c linear : 0.03 0.00 0.03 0.00 0.00
3.39/3.44 c logicor : 0.00 0.00 0.00 0.00 0.00
3.39/3.44 c countsols : 0.00 0.00 0.00 0.00 0.00
3.39/3.44 c Propagators : Time Calls Cutoffs DomReds
3.39/3.44 c vbounds : 0.00 2 0 0
3.39/3.44 c rootredcost : 0.00 0 0 0
3.39/3.44 c pseudoobj : 0.00 2558 0 0
3.39/3.44 c Conflict Analysis : Time Calls Success Conflicts Literals Reconvs ReconvLits LP Iters
3.39/3.44 c propagation : 0.00 260 224 1189 22.0 33 13.2 -
3.39/3.44 c infeasible LP : 0.02 14 14 72 21.5 1 26.0 0
3.39/3.44 c bound exceed. LP : 0.00 0 0 0 0.0 0 0.0 0
3.39/3.44 c strong branching : 0.00 0 0 0 0.0 0 0.0 0
3.39/3.44 c pseudo solution : 0.00 0 0 0 0.0 0 0.0 -
3.39/3.44 c applied globally : - - - 517 16.4 - - -
3.39/3.44 c applied locally : - - - 14 34.3 - - -
3.39/3.44 c Separators : Time Calls Cutoffs DomReds Cuts Conss
3.39/3.44 c cut pool : 0.00 5 - - 42 - (maximal pool size: 240)
3.39/3.44 c redcost : 0.00 1570 0 0 0 0
3.39/3.44 c impliedbounds : 0.00 6 0 0 65 0
3.39/3.44 c intobj : 0.00 0 0 0 0 0
3.39/3.44 c cgmip : 0.00 0 0 0 0 0
3.39/3.44 c gomory : 0.04 6 0 0 94 0
3.39/3.44 c strongcg : 0.03 6 0 0 320 0
3.39/3.44 c cmir : 0.02 6 0 0 57 0
3.39/3.44 c flowcover : 0.05 6 0 0 106 0
3.39/3.44 c clique : 0.00 6 0 0 0 0
3.39/3.44 c zerohalf : 0.00 0 0 0 0 0
3.39/3.44 c mcf : 0.00 1 0 0 0 0
3.39/3.44 c rapidlearning : 0.08 1 0 0 0 149
3.39/3.44 c Pricers : Time Calls Vars
3.39/3.44 c problem variables: 0.00 0 0
3.39/3.44 c Branching Rules : Time Calls Cutoffs DomReds Cuts Conss Children
3.39/3.44 c relpscost : 1.12 649 2 64 0 0 1236
3.39/3.44 c pscost : 0.00 0 0 0 0 0 0
3.39/3.44 c inference : 0.00 0 0 0 0 0 0
3.39/3.44 c mostinf : 0.00 0 0 0 0 0 0
3.39/3.44 c leastinf : 0.00 0 0 0 0 0 0
3.39/3.44 c fullstrong : 0.00 0 0 0 0 0 0
3.39/3.44 c allfullstrong : 0.00 0 0 0 0 0 0
3.39/3.44 c random : 0.00 0 0 0 0 0 0
3.39/3.44 c Primal Heuristics : Time Calls Found
3.39/3.44 c LP solutions : 0.00 - 1
3.39/3.44 c pseudo solutions : 0.00 - 0
3.39/3.44 c oneopt : 0.00 0 0
3.39/3.44 c crossover : 0.00 0 0
3.39/3.44 c guideddiving : 0.00 0 0
3.39/3.44 c intshifting : 0.00 0 0
3.39/3.44 c linesearchdiving : 0.01 3 0
3.39/3.44 c rootsoldiving : 0.06 2 0
3.39/3.44 c objpscostdiving : 0.00 2 0
3.39/3.44 c coefdiving : 0.00 4 0
3.39/3.44 c pscostdiving : 0.01 4 0
3.39/3.44 c fracdiving : 0.02 4 0
3.39/3.44 c veclendiving : 0.01 4 0
3.39/3.44 c feaspump : 0.00 2 0
3.39/3.44 c trivial : 0.00 2 0
3.39/3.44 c simplerounding : 0.00 0 0
3.39/3.44 c zirounding : 0.00 619 0
3.39/3.44 c rounding : 0.03 511 0
3.39/3.44 c shifting : 0.06 119 0
3.39/3.44 c twoopt : 0.00 0 0
3.39/3.44 c fixandinfer : 0.00 0 0
3.39/3.44 c intdiving : 0.00 0 0
3.39/3.44 c actconsdiving : 0.00 0 0
3.39/3.44 c octane : 0.00 0 0
3.39/3.44 c rens : 0.01 1 0
3.39/3.44 c rins : 0.00 0 0
3.39/3.44 c localbranching : 0.00 0 0
3.39/3.44 c mutation : 0.00 0 0
3.39/3.44 c dins : 0.00 0 0
3.39/3.44 c undercover : 0.01 1 0
3.39/3.44 c nlp : 0.00 0 0
3.39/3.44 c trysol : 0.00 0 0
3.39/3.44 c LP : Time Calls Iterations Iter/call Iter/sec
3.39/3.44 c primal LP : 0.13 0 0 0.00 0.00
3.39/3.44 c dual LP : 0.96 1655 10257 6.20 10684.38
3.39/3.44 c lex dual LP : 0.00 0 0 0.00 -
3.39/3.44 c barrier LP : 0.00 0 0 0.00 -
3.39/3.44 c diving/probing LP: 0.08 161 1408 8.75 17600.00
3.39/3.44 c strong branching : 1.12 1045 16771 16.05 14974.11
3.39/3.44 c (at root node) : - 10 706 70.60 -
3.39/3.44 c conflict analysis: 0.00 0 0 0.00 -
3.39/3.44 c B&B Tree :
3.39/3.44 c number of runs : 1
3.39/3.44 c nodes : 779
3.39/3.44 c nodes (total) : 779
3.39/3.44 c nodes left : 0
3.39/3.44 c max depth : 29
3.39/3.44 c max depth (total): 29
3.39/3.44 c backtracks : 118 (15.1%)
3.39/3.44 c delayed cutoffs : 74
3.39/3.44 c repropagations : 211 (1521 domain reductions, 69 cutoffs)
3.39/3.44 c avg switch length: 3.10
3.39/3.44 c switching time : 0.14
3.39/3.44 c Solution :
3.39/3.44 c Solutions found : 1 (1 improvements)
3.39/3.44 c First Solution : +2.00000000000000e+00 (in run 1, after 779 nodes, 3.06 seconds, depth 29, found by <relaxation>)
3.39/3.44 c Primal Bound : +2.00000000000000e+00 (in run 1, after 779 nodes, 3.06 seconds, depth 29, found by <relaxation>)
3.39/3.44 c Dual Bound : +2.00000000000000e+00
3.39/3.44 c Gap : 0.00 %
3.39/3.44 c Root Dual Bound : +2.00000000000000e+00
3.39/3.44 c Root Iterations : 257
3.39/3.45 c Time complete: 3.45.
runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr
command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2664945-1276646079/watcher-2664945-1276646079 -o /tmp/evaluation-result-2664945-1276646079/solver-2664945-1276646079 -C 1800 -W 2000 -M 1800 HOME/pbscip.linux.x86_64.gnu.opt.clp -f HOME/instance-2664945-1276646079.opb -t 1800 -m 1800
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: 0.85 0.97 1.12 3/105 12315
/proc/meminfo: memFree=1798840/2059040 swapFree=4192956/4192956
[pid=12315] ppid=12313 vsize=9288 CPUtime=0
/proc/12315/stat : 12315 (pbscip.linux.x8) R 12313 12315 11928 0 -1 4202496 1117 0 0 0 0 0 0 0 25 0 1 0 5901503 9510912 1039 1992294400 4194304 9819077 140734080647616 18446744073709551615 8675093 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/12315/statm: 2322 1049 371 1374 0 943 0
[startup+0.0720901 s]
/proc/loadavg: 0.85 0.97 1.12 3/105 12315
/proc/meminfo: memFree=1798840/2059040 swapFree=4192956/4192956
[pid=12315] ppid=12313 vsize=19360 CPUtime=0.06
/proc/12315/stat : 12315 (pbscip.linux.x8) R 12313 12315 11928 0 -1 4202496 6174 0 0 0 3 3 0 0 25 0 1 0 5901503 19824640 3326 1992294400 4194304 9819077 140734080647616 18446744073709551615 8675093 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/12315/statm: 4840 3337 689 1374 0 3461 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 19360
[startup+0.101093 s]
/proc/loadavg: 0.85 0.97 1.12 3/105 12315
/proc/meminfo: memFree=1798840/2059040 swapFree=4192956/4192956
[pid=12315] ppid=12313 vsize=22932 CPUtime=0.09
/proc/12315/stat : 12315 (pbscip.linux.x8) R 12313 12315 11928 0 -1 4202496 8261 0 0 0 5 4 0 0 25 0 1 0 5901503 23482368 4128 1992294400 4194304 9819077 140734080647616 18446744073709551615 8716122 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/12315/statm: 5733 4128 694 1374 0 4354 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 22932
[startup+0.301115 s]
/proc/loadavg: 0.85 0.97 1.12 3/105 12315
/proc/meminfo: memFree=1798840/2059040 swapFree=4192956/4192956
[pid=12315] ppid=12313 vsize=18272 CPUtime=0.29
/proc/12315/stat : 12315 (pbscip.linux.x8) R 12313 12315 11928 0 -1 4202496 8684 0 0 0 24 5 0 0 25 0 1 0 5901503 18710528 3190 1992294400 4194304 9819077 140734080647616 18446744073709551615 7311974 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/12315/statm: 4568 3190 702 1374 0 3189 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 18272
[startup+0.70116 s]
/proc/loadavg: 0.85 0.97 1.12 3/105 12315
/proc/meminfo: memFree=1798840/2059040 swapFree=4192956/4192956
[pid=12315] ppid=12313 vsize=17680 CPUtime=0.69
/proc/12315/stat : 12315 (pbscip.linux.x8) R 12313 12315 11928 0 -1 4202496 14144 0 0 0 61 8 0 0 25 0 1 0 5901503 18104320 3237 1992294400 4194304 9819077 140734080647616 18446744073709551615 8716122 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/12315/statm: 4596 3240 721 1374 0 3217 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 17680
[startup+1.50125 s]
/proc/loadavg: 0.85 0.97 1.12 2/106 12316
/proc/meminfo: memFree=1787796/2059040 swapFree=4192956/4192956
[pid=12315] ppid=12313 vsize=17840 CPUtime=1.49
/proc/12315/stat : 12315 (pbscip.linux.x8) R 12313 12315 11928 0 -1 4202496 23805 0 0 0 132 17 0 0 25 0 1 0 5901503 18268160 3237 1992294400 4194304 9819077 140734080647616 18446744073709551615 7235544 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/12315/statm: 4460 3237 721 1374 0 3081 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 17840
[startup+3.10143 s]
/proc/loadavg: 0.85 0.97 1.12 2/106 12316
/proc/meminfo: memFree=1787672/2059040 swapFree=4192956/4192956
[pid=12315] ppid=12313 vsize=18312 CPUtime=3.09
/proc/12315/stat : 12315 (pbscip.linux.x8) R 12313 12315 11928 0 -1 4202496 39552 0 0 0 274 35 0 0 25 0 1 0 5901503 18751488 3246 1992294400 4194304 9819077 140734080647616 18446744073709551615 7235417 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/12315/statm: 4578 3246 723 1374 0 3199 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 18312
Solver just ended. Dumping a history of the last processes samples
[startup+3.30845 s]
/proc/loadavg: 0.85 0.97 1.12 2/106 12316
/proc/meminfo: memFree=1787672/2059040 swapFree=4192956/4192956
[pid=12315] ppid=12313 vsize=18312 CPUtime=3.3
/proc/12315/stat : 12315 (pbscip.linux.x8) R 12313 12315 11928 0 -1 4202496 41800 0 0 0 293 37 0 0 25 0 1 0 5901503 18751488 3251 1992294400 4194304 9819077 140734080647616 18446744073709551615 7816423 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/12315/statm: 4578 3251 724 1374 0 3199 0
Current children cumulated CPU time (s) 3.3
Current children cumulated vsize (KiB) 18312
[startup+3.40147 s]
/proc/loadavg: 0.85 0.97 1.12 2/106 12316
/proc/meminfo: memFree=1787672/2059040 swapFree=4192956/4192956
[pid=12315] ppid=12313 vsize=18272 CPUtime=3.39
/proc/12315/stat : 12315 (pbscip.linux.x8) R 12313 12315 11928 0 -1 4202496 42790 0 0 0 302 37 0 0 25 0 1 0 5901503 18710528 3276 1992294400 4194304 9819077 140734080647616 18446744073709551615 7224739 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/12315/statm: 4568 3276 724 1374 0 3189 0
Current children cumulated CPU time (s) 3.39
Current children cumulated vsize (KiB) 18272
Child status: 0
Real time (s): 3.45363
CPU time (s): 3.45247
CPU user time (s): 3.07053
CPU system time (s): 0.381941
CPU usage (%): 99.9666
Max. virtual memory (cumulated for all children) (KiB): 22932
getrusage(RUSAGE_CHILDREN,...) data:
user time used= 3.07053
system time used= 0.381941
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 43320
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= 4
involuntary context switches= 45
runsolver used 0.010998 second user time and 0.026995 second system time
The end