NO Solver Timeout: 4 Global Timeout: 60 No parsing errors! Init Location: 0 Transitions: 0, ___rho_1_^0 -> undef33, dobreak^0 -> (0 + undef33)}> 0, n^0 -> undef41}> 0, R^0 -> 0, ___rho_1_^0 -> undef50, dobreak^0 -> (0 + undef50)}> Fresh variables: undef33, undef36, undef41, undef42, undef50, Undef variables: undef33, undef36, undef41, undef42, undef50, Abstraction variables: Exit nodes: Accepting locations: Asserts: Preprocessed LLVMGraph Init Location: 0 Transitions: undef41}> undef41}> Fresh variables: undef33, undef36, undef41, undef42, undef50, Undef variables: undef33, undef36, undef41, undef42, undef50, Abstraction variables: Exit nodes: Accepting locations: Asserts: ************************************************************* ******************************************************************************************* *********************** WORKING TRANSITION SYSTEM (DAG) *********************** ******************************************************************************************* Init Location: 0 Graph 0: Transitions: Variables: Graph 1: Transitions: undef41, rest remain the same}> Variables: n^0 Graph 2: Transitions: Variables: Precedence: Graph 0 Graph 1 undef41, rest remain the same}> Graph 2 Map Locations to Subgraph: ( 0 , 0 ) ( 3 , 1 ) ( 7 , 2 ) ******************************************************************************************* ******************************** CHECKING ASSERTIONS ******************************** ******************************************************************************************* Proving termination of subgraph 0 Proving termination of subgraph 1 Checking unfeasibility... Time used: 0.003219 Some transition disabled by a set of invariant(s): Invariant at l3: 1 <= n^0 Strengthening and disabling transitions... > It's unfeasible. Removing transition: undef41, rest remain the same}> LOG: CALL solverLinear in Graph for feasibility LOG: RETURN solveLinear in Graph for feasibility Strengthening transition (result): Checking unfeasibility... Time used: 0.001382 > No variable changes in termination graph. Checking conditional unfeasibility... Calling Safety with literal n^0 <= 0 and entry LOG: CALL check - Post:n^0 <= 0 - Process 1 * Exit transition: * Postcondition : n^0 <= 0 Postcodition moved up: n^0 <= 0 LOG: Try proving POST Postcondition: n^0 <= 0 LOG: CALL check - Post:n^0 <= 0 - Process 2 * Exit transition: undef41, rest remain the same}> * Postcondition : n^0 <= 0 LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.000349s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.000451s LOG: NarrowEntry size 1 Narrowing transition: LOG: Narrow transition size 1 ENTRIES: undef41, rest remain the same}> END ENTRIES: GRAPH: END GRAPH: EXIT: POST: n^0 <= 0 LOG: Try proving POST Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.003956s Time used: 0.003855 Solving with 2 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.002200s Time used: 4.00179 Solving with 3 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 1.020438s Time used: 1.00039 LOG: Postcondition is not implied - no solution > Postcondition is not implied! LOG: RETURN check - Elapsed time: 5.048901s Proving non-termination of subgraph 1 Transitions: Variables: n^0 Checking conditional non-termination of SCC {l3}... > No exit transition to close. Calling reachability with... Transition: Conditions: OPEN EXITS: --- Reachability graph --- > Graph without transitions. Calling reachability with... Transition: undef41, rest remain the same}> Conditions: OPEN EXITS: undef41, rest remain the same}> > Conditions are reachable! Program does NOT terminate