Model name: '' - run #1 Objective: Maximize(R0) SUBMITTED Model size: 3524 constraints, 5927 variables, 15923 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 5445 iter. Relaxed solution 378.081869022 after 7128 iter is B&B base. Feasible solution 377.944817401 after 7946 iter, 71 nodes (gap 0.0%) Improved solution 377.944821025 after 9789 iter, 349 nodes (gap 0.0%) Improved solution 377.944822838 after 13474 iter, 860 nodes (gap 0.0%) Improved solution 377.944824653 after 13839 iter, 928 nodes (gap 0.0%) Improved solution 377.944826464 after 27497 iter, 3156 nodes (gap 0.0%) Improved solution 377.944828279 after 27844 iter, 3224 nodes (gap 0.0%) Improved solution 377.944830092 after 64965 iter, 11623 nodes (gap 0.0%) Improved solution 377.948821029 after 76045 iter, 13971 nodes (gap 0.0%) Improved solution 377.948822838 after 76516 iter, 14079 nodes (gap 0.0%) Improved solution 377.948824653 after 80373 iter, 14941 nodes (gap 0.0%) Improved solution 377.948826462 after 80789 iter, 15049 nodes (gap 0.0%) Improved solution 377.950822838 after 87279 iter, 16447 nodes (gap 0.0%) Improved solution 377.950826462 after 88062 iter, 16667 nodes (gap 0.0%) Improved solution 377.951810145 after 923401 iter, 147281 nodes (gap 0.0%) Improved solution 377.951811958 after 924213 iter, 147451 nodes (gap 0.0%) Improved solution 377.951813775 after 924388 iter, 147481 nodes (gap 0.0%) Improved solution 377.951815584 after 925765 iter, 147748 nodes (gap 0.0%) Improved solution 377.951817399 after 935606 iter, 149323 nodes (gap 0.0%) Improved solution 377.951819208 after 937071 iter, 149610 nodes (gap 0.0%) Improved solution 377.951821023 after 966715 iter, 153645 nodes (gap 0.0%) Improved solution 377.951821025 after 966830 iter, 153664 nodes (gap 0.0%) Improved solution 377.951822834 after 1165350 iter, 179835 nodes (gap 0.0%) Improved solution 377.951822838 after 1212362 iter, 186351 nodes (gap 0.0%) Improved solution 377.951824651 after 1267213 iter, 195071 nodes (gap 0.0%) Improved solution 377.95182646 after 1538420 iter, 233615 nodes (gap 0.0%) lp_solve optimization was stopped due to time-out. Optimal solution 377.95182646 after 2377456 iter, 332346 nodes (gap 0.0%). Excellent numeric accuracy ||*|| = 8.88178e-16 MEMO: lp_solve version 5.5.0.10 for 32 bit OS, with 64 bit REAL variables. In the total iteration count 2377456, 228118 (9.6%) were bound flips. There were 166241 refactorizations, 0 triggered by time and 74 by density. ... on average 12.9 major pivots per refactorization. The largest [LUSOL v2.2.1.0] fact(B) had 10827 NZ entries, 1.1x largest basis. The maximum B&B level was 101, 0.1x MIP order, 92 at the optimal solution. The constraint matrix inf-norm is 8, with a dynamic range of 8000. Time to load data was 0.069 seconds, presolve used 0.040 seconds, ... 7199.966 seconds in simplex solver, in total 7200.075 seconds. Model name: '' - run #1 Objective: Maximize(R0) SUBMITTED Model size: 3524 constraints, 5927 variables, 15923 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 105 iter. Relaxed solution 0 after 1661 iter is B&B base. Feasible solution 0 after 1661 iter, 0 nodes (gap 0.0%) Optimal solution 0 after 1661 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 1661, 0 (0.0%) were bound flips. There were 9 refactorizations, 0 triggered by time and 0 by density. ... on average 184.6 major pivots per refactorization. The largest [LUSOL v2.2.1.0] fact(B) had 6954 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 8, with a dynamic range of 8000. Time to load data was 0.061 seconds, presolve used 0.033 seconds, ... 5.536 seconds in simplex solver, in total 5.630 seconds. Vehicle Type: 0 Num:49 Trip segments:192