NO Solver Timeout: 4 Global Timeout: 300 No parsing errors! Init Location: 0 Transitions: (1 + xp^0)}> (~(1) + xp^0)}> 0}> 1}> undef28}> 0}> 1}> (0 + rho^0), x^0 -> undef47, xp^0 -> (0 + undef47)}> Fresh variables: undef28, undef47, Undef variables: undef28, undef47, Abstraction variables: Exit nodes: Accepting locations: Asserts: Preprocessed LLVMGraph Init Location: 0 Transitions: (1 + xp^0)}> (1 + xp^0)}> Fresh variables: undef28, undef47, Undef variables: undef28, undef47, Abstraction variables: Exit nodes: Accepting locations: Asserts: ************************************************************* ******************************************************************************************* *********************** WORKING TRANSITION SYSTEM (DAG) *********************** ******************************************************************************************* Init Location: 0 Graph 0: Transitions: Variables: Graph 1: Transitions: 1 + xp^0, rest remain the same}> 1 + xp^0, rest remain the same}> Variables: xp^0 Graph 2: Transitions: Variables: Precedence: Graph 0 Graph 1 Graph 2 Map Locations to Subgraph: ( 0 , 0 ) ( 2 , 1 ) ( 6 , 2 ) ******************************************************************************************* ******************************** CHECKING ASSERTIONS ******************************** ******************************************************************************************* Proving termination of subgraph 0 Proving termination of subgraph 1 Checking unfeasibility... Time used: 0.003604 Some transition disabled by a set of invariant(s): Invariant at l2: 2 <= xp^0 Strengthening and disabling transitions... > It's unfeasible. Removing transition: 1 + xp^0, rest remain the same}> LOG: CALL solverLinear in Graph for feasibility LOG: RETURN solveLinear in Graph for feasibility Strengthening transition (result): 1 + xp^0, rest remain the same}> Checking unfeasibility... Time used: 0.000677 Checking conditional termination of SCC {l2}... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.000263s LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.000763s Trying to remove transition: 1 + xp^0, rest remain the same}> Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.001846s Time used: 0.001776 Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.001617s Time used: 4.00115 Solving with 2 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.004835s Time used: 4.00056 Solving with 3 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 1.004998s Time used: 1.00129 Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.005267s Time used: 0.00252 Improving Solution with cost 1 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 1.000703s Time used: 1.00056 LOG: SAT solveNonLinear - Elapsed time: 1.005970s Cost: 1; Total time: 1.00308 Quasi-ranking function: 50000 - xp^0 New Graphs: Transitions: 1 + xp^0, rest remain the same}> Variables: xp^0 Checking conditional termination of SCC {l2}... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.000267s LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.000844s Trying to remove transition: 1 + xp^0, rest remain the same}> Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.002131s Time used: 0.00206 Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.002440s Time used: 4.00204 Solving with 2 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.005857s Time used: 4.00098 Solving with 3 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 1.004878s Time used: 1.00056 Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.004446s Time used: 4.00155 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: 0.004574s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.004610s Cannot prove unreachability Proving non-termination of subgraph 1 Transitions: 1 + xp^0, rest remain the same}> Variables: xp^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: Conditions: OPEN EXITS: > Conditions are reachable! Program does NOT terminate