Model name: '' - run #1 Objective: Maximize(R0) SUBMITTED Model size: 7646 constraints, 11381 variables, 32033 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 9937 iter. Relaxed solution 398.607887108 after 11485 iter is B&B base. Feasible solution 398.529843795 after 12100 iter, 60 nodes (gap 0.0%) Improved solution 398.529846513 after 12312 iter, 94 nodes (gap 0.0%) Improved solution 398.529849231 after 12547 iter, 129 nodes (gap 0.0%) Improved solution 398.529851042 after 12917 iter, 198 nodes (gap 0.0%) Improved solution 398.530846522 after 13068 iter, 216 nodes (gap 0.0%) Improved solution 398.53084742 after 13357 iter, 287 nodes (gap 0.0%) Improved solution 398.530849231 after 13492 iter, 316 nodes (gap 0.0%) Improved solution 398.530851038 after 13890 iter, 396 nodes (gap 0.0%) Improved solution 398.530852861 after 14221 iter, 433 nodes (gap 0.0%) Improved solution 398.530853755 after 15198 iter, 592 nodes (gap 0.0%) Improved solution 398.530855567 after 15247 iter, 598 nodes (gap 0.0%) Improved solution 398.53184925 after 15560 iter, 629 nodes (gap 0.0%) Improved solution 398.531851959 after 15624 iter, 639 nodes (gap 0.0%) Improved solution 398.531853756 after 18017 iter, 1064 nodes (gap 0.0%) Improved solution 398.531854665 after 18541 iter, 1137 nodes (gap 0.0%) Improved solution 398.531857374 after 19145 iter, 1273 nodes (gap 0.0%) Improved solution 398.531859181 after 19725 iter, 1346 nodes (gap 0.0%) Improved solution 398.535850152 after 27410 iter, 2144 nodes (gap 0.0%) Improved solution 398.538848337 after 27628 iter, 2168 nodes (gap 0.0%) Improved solution 398.539849246 after 29620 iter, 2533 nodes (gap 0.0%) Improved solution 398.539850144 after 31199 iter, 2962 nodes (gap 0.0%) Improved solution 398.539851951 after 31621 iter, 3047 nodes (gap 0.0%) Improved solution 398.539853774 after 32268 iter, 3162 nodes (gap 0.0%) Improved solution 398.54084564 after 33000 iter, 3228 nodes (gap 0.0%) Improved solution 398.540848349 after 33068 iter, 3235 nodes (gap 0.0%) Improved solution 398.540851065 after 33453 iter, 3280 nodes (gap 0.0%) Improved solution 398.540852872 after 33723 iter, 3305 nodes (gap 0.0%) Improved solution 398.54085377 after 34154 iter, 3346 nodes (gap 0.0%) Improved solution 398.540853774 after 43152 iter, 4151 nodes (gap 0.0%) Improved solution 398.540854675 after 115032 iter, 11598 nodes (gap 0.0%) Improved solution 398.540855573 after 115802 iter, 11700 nodes (gap 0.0%) lp_solve optimization was stopped due to time-out. Optimal solution 398.540855573 after 968898 iter, 96899 nodes (gap 0.0%). Excellent numeric accuracy ||*|| = 2.66454e-15 MEMO: lp_solve version 5.5.0.10 for 32 bit OS, with 64 bit REAL variables. In the total iteration count 968898, 80921 (8.4%) were bound flips. There were 48483 refactorizations, 0 triggered by time and 3 by density. ... on average 18.3 major pivots per refactorization. The largest [LUSOL v2.2.1.0] fact(B) had 22405 NZ entries, 1.0x largest basis. The maximum B&B level was 76, 0.0x MIP order, 65 at the optimal solution. The constraint matrix inf-norm is 8, with a dynamic range of 8000. Time to load data was 0.176 seconds, presolve used 0.073 seconds, ... 7199.936 seconds in simplex solver, in total 7200.185 seconds. Model name: '' - run #1 Objective: Maximize(R0) SUBMITTED Model size: 7646 constraints, 11381 variables, 32033 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 3479 iter is B&B base. Feasible solution 0 after 3479 iter, 0 nodes (gap 0.0%) Optimal solution 0 after 3479 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 3479, 0 (0.0%) were bound flips. There were 16 refactorizations, 0 triggered by time and 0 by density. ... on average 217.4 major pivots per refactorization. The largest [LUSOL v2.2.1.0] fact(B) had 14574 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 0.190 seconds, presolve used 0.080 seconds, ... 33.773 seconds in simplex solver, in total 34.043 seconds. Vehicle Type: 0 Num:54 Trip segments:160