Trying to load file: main.koat Initial Control flow graph problem: Start location: f0 0: f18 -> f24 : [ 0>=A ], cost: 1 6: f18 -> f24 : A'=0, C'=free_5, E'=free_5, [ A>=1 ], cost: 1 3: f24 -> f31 : B'=free, [ A>=1 ], cost: 1 4: f24 -> f31 : B'=free_2, D'=free_1, [ 0>=A && 999+C>=free_1 ], cost: 1 5: f24 -> f31 : A'=1, B'=free_4, D'=free_3, [ 0>=A && free_3>=1000+C ], cost: 1 1: f31 -> f31 : [], cost: 1 2: f33 -> f36 : [], cost: 1 7: f0 -> f18 : A'=1, F'=free_6, G'=free_6, [ 0>=free_6 ], cost: 1 8: f0 -> f18 : A'=1, F'=free_7, G'=0, H'=1, Q'=free_8, J'=free_8, [ free_7>=1 && free_8>=1 ], cost: 1 9: f0 -> f31 : A'=1, F'=free_9, G'=0, H'=1, Q'=free_10, J'=free_10, [ free_9>=1 && 0>=free_10 ], cost: 1 Simplified the transitions: Start location: f0 0: f18 -> f24 : [ 0>=A ], cost: 1 6: f18 -> f24 : A'=0, C'=free_5, E'=free_5, [ A>=1 ], cost: 1 3: f24 -> f31 : B'=free, [ A>=1 ], cost: 1 4: f24 -> f31 : B'=free_2, D'=free_1, [ 0>=A && 999+C>=free_1 ], cost: 1 5: f24 -> f31 : A'=1, B'=free_4, D'=free_3, [ 0>=A && free_3>=1000+C ], cost: 1 1: f31 -> f31 : [], cost: 1 7: f0 -> f18 : A'=1, F'=free_6, G'=free_6, [ 0>=free_6 ], cost: 1 8: f0 -> f18 : A'=1, F'=free_7, G'=0, H'=1, Q'=free_8, J'=free_8, [ free_7>=1 && free_8>=1 ], cost: 1 9: f0 -> f31 : A'=1, F'=free_9, G'=0, H'=1, Q'=free_10, J'=free_10, [ free_9>=1 && 0>=free_10 ], cost: 1 Eliminating 1 self-loops for location f31 Self-Loop 1 has unbounded runtime, resulting in the new transition 10. Removing the self-loops: 1. Removed all Self-loops using metering functions (where possible): Start location: f0 0: f18 -> f24 : [ 0>=A ], cost: 1 6: f18 -> f24 : A'=0, C'=free_5, E'=free_5, [ A>=1 ], cost: 1 3: f24 -> f31 : B'=free, [ A>=1 ], cost: 1 4: f24 -> f31 : B'=free_2, D'=free_1, [ 0>=A && 999+C>=free_1 ], cost: 1 5: f24 -> f31 : A'=1, B'=free_4, D'=free_3, [ 0>=A && free_3>=1000+C ], cost: 1 10: f31 -> [6] : [], cost: INF 7: f0 -> f18 : A'=1, F'=free_6, G'=free_6, [ 0>=free_6 ], cost: 1 8: f0 -> f18 : A'=1, F'=free_7, G'=0, H'=1, Q'=free_8, J'=free_8, [ free_7>=1 && free_8>=1 ], cost: 1 9: f0 -> f31 : A'=1, F'=free_9, G'=0, H'=1, Q'=free_10, J'=free_10, [ free_9>=1 && 0>=free_10 ], cost: 1 Applied chaining over branches and pruning: Start location: f0 3: f24 -> f31 : B'=free, [ A>=1 ], cost: 1 4: f24 -> f31 : B'=free_2, D'=free_1, [ 0>=A && 999+C>=free_1 ], cost: 1 5: f24 -> f31 : A'=1, B'=free_4, D'=free_3, [ 0>=A && free_3>=1000+C ], cost: 1 10: f31 -> [6] : [], cost: INF 11: f0 -> f24 : A'=0, C'=free_5, E'=free_5, F'=free_6, G'=free_6, [ 0>=free_6 && 1>=1 ], cost: 2 12: f0 -> f24 : A'=0, C'=free_5, E'=free_5, F'=free_7, G'=0, H'=1, Q'=free_8, J'=free_8, [ free_7>=1 && free_8>=1 && 1>=1 ], cost: 2 9: f0 -> f31 : A'=1, F'=free_9, G'=0, H'=1, Q'=free_10, J'=free_10, [ free_9>=1 && 0>=free_10 ], cost: 1 Applied chaining over branches and pruning: Start location: f0 10: f31 -> [6] : [], cost: INF 9: f0 -> f31 : A'=1, F'=free_9, G'=0, H'=1, Q'=free_10, J'=free_10, [ free_9>=1 && 0>=free_10 ], cost: 1 13: f0 -> f31 : A'=0, B'=free_2, C'=free_5, D'=free_1, E'=free_5, F'=free_6, G'=free_6, [ 0>=free_6 && 1>=1 && 0>=0 && 999+free_5>=free_1 ], cost: 3 14: f0 -> f31 : A'=1, B'=free_4, C'=free_5, D'=free_3, E'=free_5, F'=free_6, G'=free_6, [ 0>=free_6 && 1>=1 && 0>=0 && free_3>=1000+free_5 ], cost: 3 15: f0 -> f31 : A'=0, B'=free_2, C'=free_5, D'=free_1, E'=free_5, F'=free_7, G'=0, H'=1, Q'=free_8, J'=free_8, [ free_7>=1 && free_8>=1 && 1>=1 && 0>=0 && 999+free_5>=free_1 ], cost: 3 16: f0 -> f31 : A'=1, B'=free_4, C'=free_5, D'=free_3, E'=free_5, F'=free_7, G'=0, H'=1, Q'=free_8, J'=free_8, [ free_7>=1 && free_8>=1 && 1>=1 && 0>=0 && free_3>=1000+free_5 ], cost: 3 Applied chaining over branches and pruning: Start location: f0 17: f0 -> [6] : A'=1, F'=free_9, G'=0, H'=1, Q'=free_10, J'=free_10, [ free_9>=1 && 0>=free_10 ], cost: INF 18: f0 -> [6] : A'=0, B'=free_2, C'=free_5, D'=free_1, E'=free_5, F'=free_6, G'=free_6, [ 0>=free_6 && 1>=1 && 0>=0 && 999+free_5>=free_1 ], cost: INF 19: f0 -> [6] : A'=1, B'=free_4, C'=free_5, D'=free_3, E'=free_5, F'=free_6, G'=free_6, [ 0>=free_6 && 1>=1 && 0>=0 && free_3>=1000+free_5 ], cost: INF 20: f0 -> [6] : A'=0, B'=free_2, C'=free_5, D'=free_1, E'=free_5, F'=free_7, G'=0, H'=1, Q'=free_8, J'=free_8, [ free_7>=1 && free_8>=1 && 1>=1 && 0>=0 && 999+free_5>=free_1 ], cost: INF 21: f0 -> [6] : A'=1, B'=free_4, C'=free_5, D'=free_3, E'=free_5, F'=free_7, G'=0, H'=1, Q'=free_8, J'=free_8, [ free_7>=1 && free_8>=1 && 1>=1 && 0>=0 && free_3>=1000+free_5 ], cost: INF Final control flow graph problem, now checking costs for infinitely many models: Start location: f0 17: f0 -> [6] : A'=1, F'=free_9, G'=0, H'=1, Q'=free_10, J'=free_10, [ free_9>=1 && 0>=free_10 ], cost: INF 18: f0 -> [6] : A'=0, B'=free_2, C'=free_5, D'=free_1, E'=free_5, F'=free_6, G'=free_6, [ 0>=free_6 && 1>=1 && 0>=0 && 999+free_5>=free_1 ], cost: INF 19: f0 -> [6] : A'=1, B'=free_4, C'=free_5, D'=free_3, E'=free_5, F'=free_6, G'=free_6, [ 0>=free_6 && 1>=1 && 0>=0 && free_3>=1000+free_5 ], cost: INF 20: f0 -> [6] : A'=0, B'=free_2, C'=free_5, D'=free_1, E'=free_5, F'=free_7, G'=0, H'=1, Q'=free_8, J'=free_8, [ free_7>=1 && free_8>=1 && 1>=1 && 0>=0 && 999+free_5>=free_1 ], cost: INF 21: f0 -> [6] : A'=1, B'=free_4, C'=free_5, D'=free_3, E'=free_5, F'=free_7, G'=0, H'=1, Q'=free_8, J'=free_8, [ free_7>=1 && free_8>=1 && 1>=1 && 0>=0 && free_3>=1000+free_5 ], cost: INF Computing complexity for remaining 5 transitions. Found new complexity INF, because: INF sat. The final runtime is determined by this resulting transition: Final Guard: free_9>=1 && 0>=free_10 Final Cost: INF Obtained the following complexity w.r.t. the length of the input n: Complexity class: INF Complexity value: INF WORST_CASE(INF,?)