NO Solver Timeout: 4 Global Timeout: 60 No parsing errors! Init Location: 0 Transitions: undef4}> 0}> (1 + i5^0)}> (0 + undef35), tmp^0 -> undef35}> Fresh variables: undef4, undef35, Undef variables: undef4, undef35, Abstraction variables: Exit nodes: Accepting locations: Asserts: Preprocessed LLVMGraph Init Location: 0 Transitions: (1 + i5^0)}> Fresh variables: undef4, undef35, Undef variables: undef4, undef35, Abstraction variables: Exit nodes: Accepting locations: Asserts: ************************************************************* ******************************************************************************************* *********************** WORKING TRANSITION SYSTEM (DAG) *********************** ******************************************************************************************* Init Location: 0 Graph 0: Transitions: Variables: Graph 1: Transitions: 1 + i5^0, rest remain the same}> Variables: i5^0 Graph 2: Transitions: Variables: Precedence: Graph 0 Graph 1 Graph 2 Map Locations to Subgraph: ( 0 , 0 ) ( 3 , 1 ) ( 6 , 2 ) ******************************************************************************************* ******************************** CHECKING ASSERTIONS ******************************** ******************************************************************************************* Proving termination of subgraph 0 Proving termination of subgraph 1 Checking unfeasibility... Time used: 0.00164 Checking conditional termination of SCC {l3}... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.000480s LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.000878s Trying to remove transition: 1 + i5^0, rest remain the same}> Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.003097s Time used: 0.002987 Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.001450s Time used: 4.0013 Solving with 2 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.006248s Time used: 4.00112 Solving with 3 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 1.037835s Time used: 1.00093 Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.009217s Time used: 0.004639 Improving Solution with cost 1 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 1.000727s Time used: 1.00073 LOG: SAT solveNonLinear - Elapsed time: 1.009944s Cost: 1; Total time: 1.00537 Termination implied by a set of invariant(s): Invariant at l3: 0 <= 1 + i5^0 [ Invariant Graph ] Strengthening and disabling transitions... LOG: CALL solverLinear in Graph for feasibility LOG: RETURN solveLinear in Graph for feasibility Strengthening transition (result): 1 + i5^0, rest remain the same}> [ Termination Graph ] Strengthening and disabling transitions... LOG: CALL solverLinear in Graph for feasibility LOG: RETURN solveLinear in Graph for feasibility Strengthening transition (result): 1 + i5^0, rest remain the same}> Quasi-ranking function: 50000 - i5^0 New Graphs: Transitions: 1 + i5^0, rest remain the same}> Variables: i5^0 Checking conditional termination of SCC {l3}... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.000434s LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.001280s Trying to remove transition: 1 + i5^0, rest remain the same}> Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.004154s Time used: 0.004024 Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.001364s Time used: 4.0012 Solving with 2 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.033901s Time used: 4.02942 Solving with 3 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 1.005658s Time used: 1.00093 Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.006369s Time used: 4.00165 Termination failed. Trying to show unreachability... Proving unreachability of entry: LOG: CALL check - Post:1 <= 0 - Process 1 * Exit transition: * Postcondition : 1 <= 0 LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.005807s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.005932s Cannot prove unreachability Proving non-termination of subgraph 1 Transitions: 1 + i5^0, rest remain the same}> Variables: i5^0 Checking conditional non-termination of SCC {l3}... > No exit transition to close. Calling reachability with... Transition: Conditions: Transition: Conditions: Transition: Conditions: OPEN EXITS: --- Reachability graph --- > Graph without transitions. Calling reachability with... Transition: Conditions: Transition: Conditions: Transition: Conditions: Transition: Conditions: Transition: Conditions: Transition: Conditions: Transition: Conditions: Transition: Conditions: Transition: Conditions: OPEN EXITS: > Conditions are reachable! Program does NOT terminate