The optimal schedule by solving the problem as MIP begin end 2328021 .50 37 109 2325005 .50 109 156 2224001 .50 1 36 2223017 .70 147 156 2325101 .70 61 146 2324012 .70 1 60 22220412.120 2 100 22241012.120 100 156 2325002 .150a 106 156 2322013 .150a 2 106 23280051.150b 2 98 2328010 .150b 99 156 2322009 .150c 81 84 2323206 .150c 84 156 2323207 .150c 1 79 2322005 .260 132 156 2328006 .260 2 132 2225002 .450a 1 156 2222037 .450c 1 153 2225001 .450b 128 154 2222038 .450b 1 128 ============================================================= The optimal schedule by solving the problem as RMIP begin end 2328021 .50 48.333 120.333 2223017 .70 1 10 2325101 .50 160 245 2324012 .70 160 219 22220412.120 57 155 22241012.120 1 57 2325002 .150c 160 210 2322013 .150b 1 105 23280051.150b 160 256 2328010 .150a 160 217 2322009 .150a 73 76 2323206 .150a 1 73 2323207 .120 160 238 2322005 .260 131 155 2328006 .260 1 131 2225002 .450c 1 156 2222037 .450a 1 153 2225001 .450b 128 154 2222038 .450b 1 128