NO Solver Timeout: 4 Global Timeout: 300 No parsing errors! Init Location: 0 Transitions: undef8}> (~(1) + WItemsNum^0)}> 1}> (1 + WItemsNum^0)}> (1 + WItemsNum^0)}> (0 + undef63), __rho_1_^0 -> undef63}> Fresh variables: undef8, undef63, undef65, Undef variables: undef8, undef63, undef65, Abstraction variables: Exit nodes: Accepting locations: Asserts: Preprocessed LLVMGraph Init Location: 0 Transitions: (1 + WItemsNum^0)}> (1 + WItemsNum^0)}> (~(1) + WItemsNum^0)}> 1}> Fresh variables: undef8, undef63, undef65, Undef variables: undef8, undef63, undef65, Abstraction variables: Exit nodes: Accepting locations: Asserts: ************************************************************* ******************************************************************************************* *********************** WORKING TRANSITION SYSTEM (DAG) *********************** ******************************************************************************************* Init Location: 0 Graph 0: Transitions: Variables: Graph 1: Transitions: 1 + WItemsNum^0, rest remain the same}> 1 + WItemsNum^0, rest remain the same}> -1 + WItemsNum^0, rest remain the same}> 1, rest remain the same}> Variables: WItemsNum^0, __const_5^0 Precedence: Graph 0 Graph 1 Map Locations to Subgraph: ( 0 , 0 ) ( 2 , 1 ) ( 6 , 1 ) ******************************************************************************************* ******************************** CHECKING ASSERTIONS ******************************** ******************************************************************************************* Proving termination of subgraph 0 Proving termination of subgraph 1 Checking unfeasibility... Time used: 0.007954 Checking conditional termination of SCC {l2, l6}... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.001211s LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.007210s Trying to remove transition: 1, rest remain the same}> Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.004386s Time used: 0.004227 Trying to remove transition: -1 + WItemsNum^0, rest remain the same}> Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.021618s Time used: 0.021235 Trying to remove transition: 1 + WItemsNum^0, rest remain the same}> Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.009321s Time used: 0.008896 Trying to remove transition: 1 + WItemsNum^0, rest remain the same}> Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.005901s Time used: 0.005295 Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.024339s Time used: 0.023653 Improving Solution with cost 1 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.080159s Time used: 0.080156 LOG: SAT solveNonLinear - Elapsed time: 0.104498s Cost: 1; Total time: 0.103809 Failed at location 2: 1 + __const_5^0 <= WItemsNum^0 Before Improving: Quasi-invariant at l2: 1 + __const_5^0 <= WItemsNum^0 Quasi-invariant at l6: 1 <= 0 Optimizing invariants... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.007545s Remaining time after improvement: 0.998439 Termination implied by a set of quasi-invariant(s): Quasi-invariant at l2: 1 + __const_5^0 <= WItemsNum^0 Quasi-invariant at l6: 1 <= 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 + WItemsNum^0, rest remain the same}> LOG: CALL solverLinear in Graph for feasibility LOG: RETURN solveLinear in Graph for feasibility It's unfeasible. Removing transition: 1 + WItemsNum^0, rest remain the same}> LOG: CALL solverLinear in Graph for feasibility LOG: RETURN solveLinear in Graph for feasibility It's unfeasible. Removing transition: LOG: CALL solverLinear in Graph for feasibility LOG: RETURN solveLinear in Graph for feasibility It's unfeasible. Removing transition: -1 + WItemsNum^0, rest remain the same}> LOG: CALL solverLinear in Graph for feasibility LOG: RETURN solveLinear in Graph for feasibility It's unfeasible. Removing transition: 1, 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 + WItemsNum^0, rest remain the same}> LOG: CALL solverLinear in Graph for feasibility LOG: RETURN solveLinear in Graph for feasibility It's unfeasible. Removing transition: 1 + WItemsNum^0, rest remain the same}> LOG: CALL solverLinear in Graph for feasibility LOG: RETURN solveLinear in Graph for feasibility It's unfeasible. Removing transition: LOG: CALL solverLinear in Graph for feasibility LOG: RETURN solveLinear in Graph for feasibility It's unfeasible. Removing transition: -1 + WItemsNum^0, rest remain the same}> LOG: CALL solverLinear in Graph for feasibility LOG: RETURN solveLinear in Graph for feasibility It's unfeasible. Removing transition: 1, rest remain the same}> New Graphs: Transitions: 1 + WItemsNum^0, rest remain the same}> Variables: WItemsNum^0, __const_5^0 Checking conditional termination of SCC {l2}... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.000304s LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.000815s Trying to remove transition: 1 + WItemsNum^0, rest remain the same}> Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.002194s Time used: 0.002126 Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.001482s Time used: 4.00131 Solving with 2 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.003765s Time used: 4.00054 Solving with 3 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 1.002821s Time used: 1.00033 Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.004806s Time used: 0.003288 Improving Solution with cost 1 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.004444s Time used: 0.004442 LOG: SAT solveNonLinear - Elapsed time: 0.009250s Cost: 1; Total time: 0.00773 Quasi-ranking function: 50000 - WItemsNum^0 + __const_5^0 New Graphs: Transitions: 1 + WItemsNum^0, rest remain the same}> Variables: WItemsNum^0, __const_5^0 Checking conditional termination of SCC {l2}... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.000237s LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.000847s Trying to remove transition: 1 + WItemsNum^0, rest remain the same}> Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.002601s Time used: 0.002531 Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.001776s Time used: 4.00162 Solving with 2 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.003940s Time used: 4.00059 Solving with 3 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 1.002953s Time used: 1.00039 Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.004868s Time used: 0.003405 Improving Solution with cost 1 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.004556s Time used: 0.004553 LOG: SAT solveNonLinear - Elapsed time: 0.009423s Cost: 1; Total time: 0.007958 Quasi-ranking function: 50000 - WItemsNum^0 New Graphs: Transitions: 1 + WItemsNum^0, rest remain the same}> Variables: WItemsNum^0, __const_5^0 Checking conditional termination of SCC {l2}... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.000278s LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.001000s Trying to remove transition: 1 + WItemsNum^0, rest remain the same}> Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.002738s Time used: 0.002662 Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.001754s Time used: 4.00158 Solving with 2 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.004232s Time used: 4.00084 Solving with 3 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 1.003125s Time used: 1.0005 Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.005299s Time used: 0.00382 Improving Solution with cost 1 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.004538s Time used: 0.004536 LOG: SAT solveNonLinear - Elapsed time: 0.009837s Cost: 1; Total time: 0.008356 Quasi-ranking function: 50000 - WItemsNum^0 - __const_5^0 New Graphs: Transitions: 1 + WItemsNum^0, rest remain the same}> Variables: WItemsNum^0, __const_5^0 Checking conditional termination of SCC {l2}... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.000323s LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.001157s Trying to remove transition: 1 + WItemsNum^0, rest remain the same}> Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.002945s Time used: 0.002859 Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.001872s Time used: 4.0017 Solving with 2 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.004201s Time used: 4.0008 Solving with 3 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 1.003252s Time used: 1.00063 Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.004897s Time used: 0.003211 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: 0.000794s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.000828s Cannot prove unreachability Proving non-termination of subgraph 1 Transitions: 1 + WItemsNum^0, rest remain the same}> 1 + WItemsNum^0, rest remain the same}> -1 + WItemsNum^0, rest remain the same}> 1, rest remain the same}> Variables: WItemsNum^0, __const_5^0 Checking conditional non-termination of SCC {l2, l6}... > 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