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 5190 iter. Relaxed solution 383.97645416 after 6931 iter is B&B base. Feasible solution 383.715662266 after 9115 iter, 104 nodes (gap 0.1%) Improved solution 383.715662268 after 9229 iter, 122 nodes (gap 0.1%) Improved solution 383.715665928 after 9266 iter, 128 nodes (gap 0.1%) Improved solution 383.71566593 after 9285 iter, 130 nodes (gap 0.1%) Improved solution 383.715669592 after 9329 iter, 140 nodes (gap 0.1%) Improved solution 383.715669594 after 9443 iter, 158 nodes (gap 0.1%) Improved solution 383.71567325 after 9600 iter, 186 nodes (gap 0.1%) Improved solution 383.715676902 after 15975 iter, 2076 nodes (gap 0.1%) Improved solution 383.715676906 after 20610 iter, 3432 nodes (gap 0.1%) Improved solution 383.715680556 after 29342 iter, 5612 nodes (gap 0.1%) Improved solution 383.715684202 after 331477 iter, 82743 nodes (gap 0.1%) Improved solution 383.71667325 after 426618 iter, 105381 nodes (gap 0.1%) Improved solution 383.7166769 after 429638 iter, 105955 nodes (gap 0.1%) Improved solution 383.717665926 after 442729 iter, 109379 nodes (gap 0.1%) Improved solution 383.717669586 after 443318 iter, 109464 nodes (gap 0.1%) Improved solution 383.717673236 after 446143 iter, 109988 nodes (gap 0.1%) Improved solution 383.71767325 after 473605 iter, 115971 nodes (gap 0.1%) Improved solution 383.7176769 after 481784 iter, 117373 nodes (gap 0.1%) Improved solution 383.717680546 after 879382 iter, 197692 nodes (gap 0.1%) Improved solution 383.72066226 after 896496 iter, 201336 nodes (gap 0.1%) Improved solution 383.720665924 after 896566 iter, 201348 nodes (gap 0.1%) Improved solution 383.720669586 after 896624 iter, 201360 nodes (gap 0.1%) Improved solution 383.720669588 after 900027 iter, 201960 nodes (gap 0.1%) Improved solution 383.720673244 after 902952 iter, 202419 nodes (gap 0.1%) Improved solution 383.720676896 after 932242 iter, 207529 nodes (gap 0.1%) Improved solution 383.7206769 after 951944 iter, 211787 nodes (gap 0.1%) Improved solution 383.72068055 after 987079 iter, 217748 nodes (gap 0.1%) Improved solution 383.720680556 after 1056319 iter, 228347 nodes (gap 0.1%) Improved solution 383.72068056 after 1135655 iter, 239027 nodes (gap 0.1%) Improved solution 383.72068421 after 1204484 iter, 248527 nodes (gap 0.1%) lp_solve optimization was stopped due to time-out. Optimal solution 383.72068421 after 2563627 iter, 435582 nodes (gap 0.1%). Excellent numeric accuracy ||*|| = 3.55271e-15 MEMO: lp_solve version 5.5.0.10 for 32 bit OS, with 64 bit REAL variables. In the total iteration count 2563627, 210068 (8.2%) were bound flips. There were 217785 refactorizations, 0 triggered by time and 13 by density. ... on average 10.8 major pivots per refactorization. The largest [LUSOL v2.2.1.0] fact(B) had 10430 NZ entries, 1.1x largest basis. The maximum B&B level was 125, 0.1x MIP order, 102 at the optimal solution. The constraint matrix inf-norm is 8, with a dynamic range of 8000. Time to load data was 0.051 seconds, presolve used 0.029 seconds, ... 7199.981 seconds in simplex solver, in total 7200.061 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 283 iter. Relaxed solution 0 after 1749 iter is B&B base. Feasible solution 0 after 1749 iter, 0 nodes (gap 0.0%) Optimal solution 0 after 1749 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 1749, 0 (0.0%) were bound flips. There were 9 refactorizations, 0 triggered by time and 0 by density. ... on average 194.3 major pivots per refactorization. The largest [LUSOL v2.2.1.0] fact(B) had 6661 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 0.054 seconds, presolve used 0.030 seconds, ... 4.951 seconds in simplex solver, in total 5.035 seconds. Vehicle Type: 0 Num:51 Trip segments:348