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 7688 iter. Relaxed solution 395.743899003 after 8586 iter is B&B base. Feasible solution 395.735077622 after 8912 iter, 53 nodes (gap 0.0%) Improved solution 395.735129232 after 8971 iter, 69 nodes (gap 0.0%) Improved solution 395.735180842 after 9030 iter, 85 nodes (gap 0.0%) Improved solution 395.735232452 after 9089 iter, 101 nodes (gap 0.0%) Improved solution 395.735284062 after 9148 iter, 117 nodes (gap 0.0%) Improved solution 395.735309865 after 9482 iter, 292 nodes (gap 0.0%) Improved solution 395.735335668 after 10006 iter, 531 nodes (gap 0.0%) Improved solution 395.735348574 after 10842 iter, 862 nodes (gap 0.0%) Improved solution 395.735361474 after 11956 iter, 1310 nodes (gap 0.0%) Improved solution 395.742296966 after 12544 iter, 1615 nodes (gap 0.0%) Improved solution 395.742322769 after 12562 iter, 1623 nodes (gap 0.0%) Improved solution 395.742348572 after 12571 iter, 1627 nodes (gap 0.0%) Improved solution 395.742361478 after 12888 iter, 1714 nodes (gap 0.0%) Improved solution 395.742374378 after 13459 iter, 1872 nodes (gap 0.0%) Improved solution 395.742387279 after 13567 iter, 1913 nodes (gap 0.0%) Improved solution 395.742387281 after 13665 iter, 1942 nodes (gap 0.0%) Improved solution 395.742400185 after 13710 iter, 1955 nodes (gap 0.0%) Improved solution 395.742413085 after 13941 iter, 2033 nodes (gap 0.0%) Improved solution 395.742425986 after 13997 iter, 2052 nodes (gap 0.0%) Improved solution 395.742425988 after 14063 iter, 2072 nodes (gap 0.0%) Improved solution 395.742438888 after 14203 iter, 2123 nodes (gap 0.0%) Improved solution 395.742477594 after 14979 iter, 2362 nodes (gap 0.0%) Improved solution 395.742503399 after 16035 iter, 2736 nodes (gap 0.0%) Improved solution 395.742516299 after 16973 iter, 3075 nodes (gap 0.0%) Improved solution 395.742529202 after 17593 iter, 3290 nodes (gap 0.0%) Improved solution 395.742555005 after 17820 iter, 3373 nodes (gap 0.0%) Improved solution 395.742580808 after 18583 iter, 3627 nodes (gap 0.0%) Improved solution 395.742606611 after 21224 iter, 4557 nodes (gap 0.0%) Improved solution 395.742632414 after 27274 iter, 6616 nodes (gap 0.0%) Improved solution 395.74268402 after 29957 iter, 7484 nodes (gap 0.0%) Optimal solution 395.74268402 after 30061 iter, 7520 nodes (gap 0.0%). 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 30061, 3213 (10.7%) were bound flips. There were 3797 refactorizations, 0 triggered by time and 0 by density. ... on average 7.1 major pivots per refactorization. The largest [LUSOL v2.2.1.0] fact(B) had 22003 NZ entries, 1.0x largest basis. The maximum B&B level was 64, 0.0x MIP order, 43 at the optimal solution. The constraint matrix inf-norm is 128, with a dynamic range of 128000. Time to load data was 0.177 seconds, presolve used 0.081 seconds, ... 259.526 seconds in simplex solver, in total 259.784 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 2 iter. Relaxed solution 0 after 3376 iter is B&B base. Feasible solution 0 after 3376 iter, 0 nodes (gap 0.0%) Optimal solution 0 after 3376 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 3376, 0 (0.0%) were bound flips. There were 15 refactorizations, 0 triggered by time and 0 by density. ... on average 225.1 major pivots per refactorization. The largest [LUSOL v2.2.1.0] fact(B) had 14150 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 128, with a dynamic range of 128000. Time to load data was 0.174 seconds, presolve used 0.071 seconds, ... 31.800 seconds in simplex solver, in total 32.045 seconds. Vehicle Type: 0 Num:42 Trip segments:102