NO Solver Timeout: 4 Global Timeout: 60 No parsing errors! Init Location: 0 Transitions: undef5}> 0}> (1 + i5^0)}> (0 + undef44), tmp^0 -> undef44}> Fresh variables: undef5, undef44, Undef variables: undef5, undef44, Abstraction variables: Exit nodes: Accepting locations: Asserts: Preprocessed LLVMGraph Init Location: 0 Transitions: (1 + i5^0)}> Fresh variables: undef5, undef44, Undef variables: undef5, undef44, 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: 0.001681 Checking conditional termination of SCC {l3}... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.000483s LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.000880s Trying to remove transition: 1 + i5^0, rest remain the same}> Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.003073s Time used: 0.002962 Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.002124s Time used: 4.00117 Solving with 2 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.007022s Time used: 4.00132 Solving with 3 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 1.037926s Time used: 1.00073 Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.008994s Time used: 0.004559 Improving Solution with cost 1 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 1.000840s Time used: 1.00076 LOG: SAT solveNonLinear - Elapsed time: 1.009834s Cost: 1; Total time: 1.00532 Termination implied by a set of invariant(s): Invariant at l3: 0 <= 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: 0.000421s LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.001267s Trying to remove transition: 1 + i5^0, rest remain the same}> Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.004172s Time used: 0.004042 Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.002352s Time used: 4.00188 Solving with 2 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.005485s Time used: 4.00116 Solving with 3 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 1.038510s Time used: 1.00107 Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.006608s Time used: 4.00176 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: 0.005785s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.005902s 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