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 7387 iter. Relaxed solution 24.2299922225 after 8346 iter is B&B base. Feasible solution 24.22990802 after 8641 iter, 41 nodes (gap 0.0%) Improved solution 24.229909823 after 8656 iter, 47 nodes (gap 0.0%) Improved solution 24.229911626 after 8860 iter, 92 nodes (gap 0.0%) Improved solution 24.229912529 after 8967 iter, 122 nodes (gap 0.0%) Improved solution 24.229912532 after 9117 iter, 155 nodes (gap 0.0%) Improved solution 24.229914335 after 9552 iter, 258 nodes (gap 0.0%) Improved solution 24.229915238 after 9699 iter, 302 nodes (gap 0.0%) Improved solution 24.229916138 after 11206 iter, 663 nodes (gap 0.0%) Improved solution 24.229917941 after 12799 iter, 1052 nodes (gap 0.0%) Improved solution 24.229918844 after 12943 iter, 1096 nodes (gap 0.0%) Improved solution 24.229918847 after 19884 iter, 2609 nodes (gap 0.0%) Improved solution 24.22991975 after 20112 iter, 2677 nodes (gap 0.0%) Improved solution 24.22992065 after 21891 iter, 3096 nodes (gap 0.0%) Improved solution 24.22992155 after 58668 iter, 11161 nodes (gap 0.0%) Improved solution 24.229922453 after 59147 iter, 11293 nodes (gap 0.0%) Improved solution 24.229922456 after 95819 iter, 19527 nodes (gap 0.0%) Improved solution 24.229923359 after 96986 iter, 19887 nodes (gap 0.0%) Improved solution 24.229924259 after 102567 iter, 21244 nodes (gap 0.0%) Improved solution 24.229925159 after 189303 iter, 40721 nodes (gap 0.0%) Improved solution 24.229926062 after 189999 iter, 40917 nodes (gap 0.0%) Improved solution 24.229926965 after 254548 iter, 55863 nodes (gap 0.0%) Improved solution 24.229927865 after 261407 iter, 57516 nodes (gap 0.0%) Improved solution 24.229928768 after 431690 iter, 97806 nodes (gap 0.0%) Improved solution 24.229929668 after 466059 iter, 106227 nodes (gap 0.0%) Improved solution 24.229930571 after 467726 iter, 106723 nodes (gap 0.0%) Improved solution 24.229931471 after 653666 iter, 149806 nodes (gap 0.0%) Improved solution 24.229932374 after 655208 iter, 150302 nodes (gap 0.0%) Improved solution 24.229933277 after 806836 iter, 187354 nodes (gap 0.0%) lp_solve optimization was stopped due to time-out. Optimal solution 24.229933277 after 849587 iter, 197557 nodes (gap 0.0%). Excellent numeric accuracy ||*|| = 7.10543e-15 MEMO: lp_solve version 5.5.0.10 for 32 bit OS, with 64 bit REAL variables. In the total iteration count 849587, 76689 (9.0%) were bound flips. There were 98801 refactorizations, 0 triggered by time and 1 by density. ... on average 7.8 major pivots per refactorization. The largest [LUSOL v2.2.1.0] fact(B) had 22017 NZ entries, 1.0x largest basis. The maximum B&B level was 53, 0.0x MIP order, 40 at the optimal solution. The constraint matrix inf-norm is 8, with a dynamic range of 8000. Time to load data was 0.199 seconds, presolve used 0.071 seconds, ... 7199.949 seconds in simplex solver, in total 7200.219 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 0.167 seconds, presolve used 0.088 seconds, ... 32.517 seconds in simplex solver, in total 32.772 seconds. Vehicle Type: 0 Num:33 Trip segments:74