Model name: '' - run #1 Objective: Maximize(R0) SUBMITTED Model size: 3242 constraints, 5231 variables, 13493 non-zeros. Sets: 0 GUB, 0 SOS. Using DUAL simplex for phase 1 and PRIMAL simplex for phase 2. The primal and dual simplex pricing strategy set to 'Devex'. Found feasibility by dual simplex after 4423 iter. Relaxed solution 402.001271552 after 4800 iter is B&B base. Feasible solution 375.880802554 after 5650 iter, 86 nodes (gap 6.5%) Improved solution 384.90580255 after 5673 iter, 89 nodes (gap 4.2%) Improved solution 384.90582861 after 5731 iter, 103 nodes (gap 4.2%) Improved solution 395.91680255 after 5784 iter, 118 nodes (gap 1.5%) Improved solution 395.91682861 after 5843 iter, 132 nodes (gap 1.5%) Improved solution 395.916854668 after 6780 iter, 343 nodes (gap 1.5%) Improved solution 395.916880722 after 8633 iter, 801 nodes (gap 1.5%) Improved solution 395.916880726 after 40613 iter, 9395 nodes (gap 1.5%) Improved solution 395.916906776 after 43302 iter, 10095 nodes (gap 1.5%) Improved solution 395.92280255 after 93463 iter, 24452 nodes (gap 1.5%) Improved solution 395.92282861 after 93519 iter, 24466 nodes (gap 1.5%) Improved solution 395.922854668 after 95009 iter, 24775 nodes (gap 1.5%) Improved solution 395.922880722 after 97582 iter, 25341 nodes (gap 1.5%) Improved solution 395.922880726 after 134734 iter, 34103 nodes (gap 1.5%) Improved solution 395.922906776 after 138345 iter, 34977 nodes (gap 1.5%) Improved solution 395.92290678 after 436537 iter, 110363 nodes (gap 1.5%) Improved solution 395.92293283 after 437529 iter, 110633 nodes (gap 1.5%) Improved solution 395.93180255 after 618988 iter, 158794 nodes (gap 1.5%) Improved solution 395.93182861 after 619028 iter, 158804 nodes (gap 1.5%) Improved solution 395.931854668 after 620199 iter, 159045 nodes (gap 1.5%) Improved solution 395.931880722 after 622589 iter, 159595 nodes (gap 1.5%) Improved solution 395.931880726 after 653622 iter, 167667 nodes (gap 1.5%) Improved solution 395.931906776 after 656394 iter, 168367 nodes (gap 1.5%) Improved solution 395.93780255 after 705684 iter, 182174 nodes (gap 1.5%) Improved solution 395.93782861 after 705742 iter, 182188 nodes (gap 1.5%) Improved solution 395.937854668 after 706828 iter, 182413 nodes (gap 1.5%) Improved solution 395.937880722 after 708710 iter, 182827 nodes (gap 1.5%) Improved solution 395.937880726 after 745984 iter, 192069 nodes (gap 1.5%) Improved solution 395.937906776 after 749464 iter, 192943 nodes (gap 1.5%) Improved solution 395.93790678 after 1039394 iter, 269937 nodes (gap 1.5%) Improved solution 395.93793283 after 1040392 iter, 270207 nodes (gap 1.5%) Improved solution 395.937958874 after 1881107 iter, 504957 nodes (gap 1.5%) lp_solve optimization was stopped due to time-out. Optimal solution 395.937958874 after 2165538 iter, 588191 nodes (gap 1.5%). Excellent numeric accuracy ||*|| = 1.15463e-14 MEMO: lp_solve version 5.5.0.10 for 32 bit OS, with 64 bit REAL variables. In the total iteration count 2165538, 155972 (7.2%) were bound flips. There were 294084 refactorizations, 0 triggered by time and 5 by density. ... on average 6.8 major pivots per refactorization. The largest [LUSOL v2.2.1.0] fact(B) had 9804 NZ entries, 1.1x largest basis. The maximum B&B level was 101, 0.1x MIP order, 86 at the optimal solution. The constraint matrix inf-norm is 64, with a dynamic range of 64000. Time to load data was 0.046 seconds, presolve used 0.031 seconds, ... 7199.973 seconds in simplex solver, in total 7200.050 seconds. Model name: '' - run #1 Objective: Maximize(R0) SUBMITTED Model size: 3242 constraints, 5231 variables, 13493 non-zeros. Sets: 0 GUB, 0 SOS. Using DUAL simplex for phase 1 and PRIMAL simplex for phase 2. The primal and dual simplex pricing strategy set to 'Devex'. Found feasibility by dual simplex after 2 iter. Relaxed solution 0 after 1468 iter is B&B base. Feasible solution 0 after 1468 iter, 0 nodes (gap 0.0%) Optimal solution 0 after 1468 iter, 0 nodes (gap 0.0%). Excellent numeric accuracy ||*|| = 0 MEMO: lp_solve version 5.5.0.10 for 32 bit OS, with 64 bit REAL variables. In the total iteration count 1468, 0 (0.0%) were bound flips. There were 7 refactorizations, 0 triggered by time and 0 by density. ... on average 209.7 major pivots per refactorization. The largest [LUSOL v2.2.1.0] fact(B) had 5745 NZ entries, 1.0x largest basis. The maximum B&B level was 1, 0.0x MIP order, 1 at the optimal solution. The constraint matrix inf-norm is 64, with a dynamic range of 64000. Time to load data was 0.077 seconds, presolve used 0.028 seconds, ... 4.186 seconds in simplex solver, in total 4.291 seconds. Vehicle Type: 0 Num:25 Trip segments:160