Model name: '' - run #1 Objective: Maximize(R0) SUBMITTED Model size: 20672 constraints, 24621 variables, 73163 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 17207 iter. Relaxed solution 395.574849604 after 19409 iter is B&B base. Feasible solution 395.416980632 after 20019 iter, 63 nodes (gap 0.0%) Improved solution 395.417083868 after 20126 iter, 75 nodes (gap 0.0%) Improved solution 395.417187104 after 20212 iter, 87 nodes (gap 0.0%) Improved solution 395.417225815 after 20379 iter, 128 nodes (gap 0.0%) Improved solution 395.417303242 after 20640 iter, 170 nodes (gap 0.0%) Improved solution 395.417341952 after 20959 iter, 237 nodes (gap 0.0%) Improved solution 395.417354854 after 22274 iter, 706 nodes (gap 0.0%) Improved solution 395.417354855 after 23210 iter, 972 nodes (gap 0.0%) Improved solution 395.417367764 after 67004 iter, 18521 nodes (gap 0.0%) Improved solution 395.417445188 after 67262 iter, 18565 nodes (gap 0.0%) Improved solution 395.417458086 after 68993 iter, 19166 nodes (gap 0.0%) Improved solution 395.417496798 after 71007 iter, 19761 nodes (gap 0.0%) Improved solution 395.423109669 after 73151 iter, 20445 nodes (gap 0.0%) Improved solution 395.423212905 after 73229 iter, 20457 nodes (gap 0.0%) Improved solution 395.423316137 after 73355 iter, 20475 nodes (gap 0.0%) Improved solution 395.423354846 after 73570 iter, 20532 nodes (gap 0.0%) Improved solution 395.423432276 after 73724 iter, 20556 nodes (gap 0.0%) Improved solution 395.4235097 after 74087 iter, 20612 nodes (gap 0.0%) Improved solution 395.423535507 after 77624 iter, 22072 nodes (gap 0.0%) Improved solution 395.423548406 after 78644 iter, 22452 nodes (gap 0.0%) Improved solution 395.423574218 after 88240 iter, 26562 nodes (gap 0.0%) Improved solution 395.423600025 after 91272 iter, 27772 nodes (gap 0.0%) Improved solution 395.423612926 after 95747 iter, 29010 nodes (gap 0.0%) Improved solution 395.426941913 after 96711 iter, 29190 nodes (gap 0.0%) Improved solution 395.427045149 after 96805 iter, 29202 nodes (gap 0.0%) Improved solution 395.427148385 after 96909 iter, 29214 nodes (gap 0.0%) Improved solution 395.427187094 after 97112 iter, 29259 nodes (gap 0.0%) Improved solution 395.427264524 after 97227 iter, 29277 nodes (gap 0.0%) Improved solution 395.427341948 after 97536 iter, 29321 nodes (gap 0.0%) Improved solution 395.427419369 after 98040 iter, 29409 nodes (gap 0.0%) Improved solution 395.427432281 after 99656 iter, 29872 nodes (gap 0.0%) Improved solution 395.427509702 after 100335 iter, 29962 nodes (gap 0.0%) Improved solution 395.427522601 after 101162 iter, 30199 nodes (gap 0.0%) Improved solution 395.427587121 after 105933 iter, 31796 nodes (gap 0.0%) Improved solution 395.427612927 after 131165 iter, 41341 nodes (gap 0.0%) Improved solution 395.427612928 after 136728 iter, 43464 nodes (gap 0.0%) Improved solution 395.427625826 after 159840 iter, 51660 nodes (gap 0.0%) Improved solution 395.427625828 after 166022 iter, 53967 nodes (gap 0.0%) lp_solve optimization was stopped due to time-out. Optimal solution 395.427625828 after 226902 iter, 75665 nodes (gap 0.0%). Excellent numeric accuracy ||*|| = 4.87457e-16 MEMO: lp_solve version 5.5.0.10 for 32 bit OS, with 64 bit REAL variables. In the total iteration count 226902, 22036 (9.7%) were bound flips. There were 37893 refactorizations, 0 triggered by time and 0 by density. ... on average 5.4 major pivots per refactorization. The largest [LUSOL v2.2.1.0] fact(B) had 57855 NZ entries, 1.0x largest basis. The maximum B&B level was 88, 0.0x MIP order, 55 at the optimal solution. The constraint matrix inf-norm is 128, with a dynamic range of 128000. Time to load data was 0.294 seconds, presolve used 0.179 seconds, ... 7199.855 seconds in simplex solver, in total 7200.328 seconds. Model name: '' - run #1 Objective: Maximize(R0) SUBMITTED Model size: 20672 constraints, 24621 variables, 73163 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 9294 iter is B&B base. Feasible solution 0 after 9294 iter, 0 nodes (gap 0.0%) Optimal solution 0 after 9294 iter, 0 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 9294, 0 (0.0%) were bound flips. There were 39 refactorizations, 0 triggered by time and 0 by density. ... on average 238.3 major pivots per refactorization. The largest [LUSOL v2.2.1.0] fact(B) had 39176 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 0.319 seconds, presolve used 0.195 seconds, ... 235.735 seconds in simplex solver, in total 236.249 seconds. Vehicle Type: 0 Num:49 Trip segments:184