NO Solver Timeout: 4 Global Timeout: 60 No parsing errors! Init Location: 0 Transitions: 0, __rho_1_^0 -> undef3, n^0 -> (0 + undef3)}> (~(1) + n^0)}> 0, dobreak^0 -> undef45}> 0, R^0 -> 0, dobreak^0 -> undef51}> Fresh variables: undef3, undef6, undef45, undef47, undef51, Undef variables: undef3, undef6, undef45, undef47, undef51, Abstraction variables: Exit nodes: Accepting locations: Asserts: Preprocessed LLVMGraph Init Location: 0 Transitions: (0 + undef3)}> (~(1) + n^0)}> (0 + undef3)}> Fresh variables: undef3, undef6, undef45, undef47, undef51, Undef variables: undef3, undef6, undef45, undef47, undef51, Abstraction variables: Exit nodes: Accepting locations: Asserts: ************************************************************* ******************************************************************************************* *********************** WORKING TRANSITION SYSTEM (DAG) *********************** ******************************************************************************************* Init Location: 0 Graph 0: Transitions: Variables: Graph 1: Transitions: -1 + n^0, rest remain the same}> undef3, rest remain the same}> Variables: n^0 Graph 2: Transitions: Variables: Precedence: Graph 0 Graph 1 undef3, rest remain the same}> Graph 2 Map Locations to Subgraph: ( 0 , 0 ) ( 2 , 1 ) ( 3 , 2 ) ******************************************************************************************* ******************************** CHECKING ASSERTIONS ******************************** ******************************************************************************************* Proving termination of subgraph 0 Proving termination of subgraph 1 Checking unfeasibility... Time used: 0.002678 Checking conditional termination of SCC {l2}... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.000871s LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.003698s Trying to remove transition: undef3, rest remain the same}> Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.005407s Time used: 0.005209 Trying to remove transition: -1 + n^0, rest remain the same}> Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.005372s Time used: 0.005 Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.002049s Time used: 4.00172 Solving with 2 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.009279s Time used: 4.00136 Solving with 3 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 1.021717s Time used: 1.01192 Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.015130s Time used: 0.008922 Termination failed. Trying to show unreachability... Proving unreachability of entry: undef3, rest remain the same}> LOG: CALL check - Post:1 <= 0 - Process 1 * Exit transition: undef3, rest remain the same}> * Postcondition : 1 <= 0 LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.001090s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.001180s Cannot prove unreachability Proving non-termination of subgraph 1 Transitions: -1 + n^0, rest remain the same}> undef3, rest remain the same}> Variables: n^0 Checking conditional non-termination of SCC {l2}... > No exit transition to close. Calling reachability with... Transition: Conditions: OPEN EXITS: --- Reachability graph --- > Graph without transitions. Calling reachability with... Transition: undef3, rest remain the same}> Conditions: OPEN EXITS: undef3, rest remain the same}> > Conditions are reachable! Program does NOT terminate