NO Solver Timeout: 4 Global Timeout: 60 No parsing errors! Init Location: 0 Transitions: 0, n^0 -> undef4}> 0, dobreak^0 -> undef36}> 0, R^0 -> 0, dobreak^0 -> undef41}> Fresh variables: undef4, undef5, undef36, undef38, undef41, Undef variables: undef4, undef5, undef36, undef38, undef41, Abstraction variables: Exit nodes: Accepting locations: Asserts: Preprocessed LLVMGraph Init Location: 0 Transitions: undef4}> undef4}> Fresh variables: undef4, undef5, undef36, undef38, undef41, Undef variables: undef4, undef5, undef36, undef38, undef41, Abstraction variables: Exit nodes: Accepting locations: Asserts: ************************************************************* ******************************************************************************************* *********************** WORKING TRANSITION SYSTEM (DAG) *********************** ******************************************************************************************* Init Location: 0 Graph 0: Transitions: Variables: Graph 1: Transitions: undef4, rest remain the same}> Variables: n^0 Graph 2: Transitions: Variables: Precedence: Graph 0 Graph 1 undef4, 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: 0.003178 Some transition disabled by a set of invariant(s): Invariant at l2: 1 <= n^0 Strengthening and disabling transitions... > It's unfeasible. Removing transition: undef4, 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: 0.001385 > 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: undef4, rest remain the same}> * Postcondition : n^0 <= 0 LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.000356s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.000449s LOG: NarrowEntry size 1 Narrowing transition: LOG: Narrow transition size 1 ENTRIES: undef4, 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: 0.003962s Time used: 0.003861 Solving with 2 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.000651s Time used: 4.00064 Solving with 3 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 1.020433s Time used: 1.00033 LOG: Postcondition is not implied - no solution > Postcondition is not implied! LOG: RETURN check - Elapsed time: 5.046062s Proving non-termination of subgraph 1 Transitions: 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: undef4, rest remain the same}> Conditions: OPEN EXITS: undef4, rest remain the same}> > Conditions are reachable! Program does NOT terminate