YES Solver Timeout: 4 Global Timeout: 60 No parsing errors! Init Location: 0 Transitions: ~(1)) /\ (arg2 > ~(1)) /\ (undef2 > ~(1)) /\ (arg1 > 0), par{arg1 -> undef1, arg2 -> undef2, arg3 -> (undef1 + undef2)}> 0) /\ (arg3 > 0) /\ (arg2 > ~(1)), par{arg1 -> (arg1 - 1), arg3 -> ((arg1 - 1) + arg2)}> 0) /\ (0 = arg1) /\ (0 = arg2), par{arg1 -> 0, arg2 -> 0, arg3 -> 0}> 0) /\ (arg2 > 0) /\ (0 = arg1), par{arg1 -> 0, arg2 -> (arg2 - 1), arg3 -> (arg2 - 1)}> undef13, arg2 -> undef14, arg3 -> undef15}> Fresh variables: undef1, undef2, undef13, undef14, undef15, Undef variables: undef1, undef2, undef13, undef14, undef15, Abstraction variables: Exit nodes: Accepting locations: Asserts: Preprocessed LLVMGraph Init Location: 0 Transitions: ~(1)) /\ (undef14 > ~(1)) /\ (undef2 > ~(1)) /\ (undef13 > 0)> 0) /\ (arg3 > 0) /\ (arg2 > ~(1)), par{arg1 -> (arg1 - 1), arg3 -> ((arg1 - 1) + arg2)}> 0) /\ (0 = arg1) /\ (0 = arg2), par{arg1 -> 0, arg2 -> 0, arg3 -> 0}> 0) /\ (arg2 > 0) /\ (0 = arg1), par{arg1 -> 0, arg2 -> (arg2 - 1), arg3 -> (arg2 - 1)}> Fresh variables: undef1, undef2, undef13, undef14, undef15, Undef variables: undef1, undef2, undef13, undef14, undef15, Abstraction variables: Exit nodes: Accepting locations: Asserts: ************************************************************* ******************************************************************************************* *********************** WORKING TRANSITION SYSTEM (DAG) *********************** ******************************************************************************************* Init Location: 0 Graph 0: Transitions: Variables: Graph 1: Transitions: -1 + arg1, arg3 -> -1 + arg1 + arg2, rest remain the same}> 0, arg2 -> 0, arg3 -> 0, rest remain the same}> 0, arg2 -> -1 + arg2, arg3 -> -1 + arg2, rest remain the same}> Variables: arg1, arg2, arg3 Precedence: Graph 0 Graph 1 Map Locations to Subgraph: ( 0 , 0 ) ( 2 , 1 ) ******************************************************************************************* ******************************** CHECKING ASSERTIONS ******************************** ******************************************************************************************* Proving termination of subgraph 0 Proving termination of subgraph 1 Checking unfeasibility... Time used: 0.010773 Some transition disabled by a set of invariant(s): Invariant at l2: arg3 <= arg1 + arg2 Strengthening and disabling transitions... > It's unfeasible. Removing transition: 0, arg2 -> 0, arg3 -> 0, rest remain the same}> LOG: CALL solverLinear in Graph for feasibility LOG: RETURN solveLinear in Graph for feasibility Strengthening transition (result): -1 + arg1, arg3 -> -1 + arg1 + arg2, rest remain the same}> LOG: CALL solverLinear in Graph for feasibility LOG: RETURN solveLinear in Graph for feasibility Strengthening transition (result): 0, arg2 -> -1 + arg2, arg3 -> -1 + arg2, rest remain the same}> Checking unfeasibility... Time used: 0.005479 Checking conditional termination of SCC {l2}... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.001706s Ranking function: -3 + 3*arg2 New Graphs: Transitions: -1 + arg1, arg3 -> -1 + arg1 + arg2, rest remain the same}> Variables: arg1, arg2, arg3 Checking conditional termination of SCC {l2}... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.000905s Ranking function: -1 + arg1 New Graphs: Program Terminates