NO Solver Timeout: 4 Global Timeout: 300 No parsing errors! Init Location: 0 Transitions: undef6}> (~(1) + WItemsNum^0)}> (1 + WItemsNum^0)}> (1 + WItemsNum^0)}> (0 + undef47), ___rho_1_^0 -> undef47}> Fresh variables: undef6, undef47, undef49, Undef variables: undef6, undef47, undef49, Abstraction variables: Exit nodes: Accepting locations: Asserts: Preprocessed LLVMGraph Init Location: 0 Transitions: (1 + WItemsNum^0)}> (1 + WItemsNum^0)}> (~(1) + WItemsNum^0)}> Fresh variables: undef6, undef47, undef49, Undef variables: undef6, undef47, undef49, 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}> Variables: WItemsNum^0 Precedence: Graph 0 Graph 1 Map Locations to Subgraph: ( 0 , 0 ) ( 2 , 1 ) ( 4 , 1 ) ******************************************************************************************* ******************************** CHECKING ASSERTIONS ******************************** ******************************************************************************************* Proving termination of subgraph 0 Proving termination of subgraph 1 Checking unfeasibility... Time used: 0.010181 Checking conditional termination of SCC {l2, l4}... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.000625s LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.005285s Trying to remove transition: -1 + WItemsNum^0, rest remain the same}> Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.021722s Time used: 0.02163 Trying to remove transition: 1 + WItemsNum^0, rest remain the same}> Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.022112s Time used: 0.021739 Trying to remove transition: 1 + WItemsNum^0, rest remain the same}> Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.004469s Time used: 0.003858 Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.121031s Time used: 0.120573 Improving Solution with cost 1 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.065754s Time used: 0.065747 LOG: SAT solveNonLinear - Elapsed time: 0.186786s Cost: 1; Total time: 0.18632 Failed at location 2: 6 <= WItemsNum^0 Before Improving: Quasi-invariant at l2: 6 <= WItemsNum^0 Quasi-invariant at l4: 1 <= 0 Optimizing invariants... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.006257s Remaining time after improvement: 0.998824 Termination implied by a set of quasi-invariant(s): Quasi-invariant at l2: 6 <= WItemsNum^0 Quasi-invariant at l4: 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: [ 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: New Graphs: Transitions: 1 + WItemsNum^0, rest remain the same}> Variables: WItemsNum^0 Checking conditional termination of SCC {l2}... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.000201s LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.000579s Trying to remove transition: 1 + WItemsNum^0, rest remain the same}> Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.001661s Time used: 0.001596 Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.001086s Time used: 4.00097 Solving with 2 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.003985s Time used: 4.00065 Solving with 3 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 1.026404s Time used: 1.00056 Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.004865s Time used: 0.002378 Improving Solution with cost 1 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.004145s Time used: 0.004143 LOG: SAT solveNonLinear - Elapsed time: 0.009010s Cost: 1; Total time: 0.006521 Quasi-ranking function: 50000 - WItemsNum^0 New Graphs: Transitions: 1 + WItemsNum^0, rest remain the same}> Variables: WItemsNum^0 Checking conditional termination of SCC {l2}... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.000210s LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.000623s Trying to remove transition: 1 + WItemsNum^0, rest remain the same}> Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.001836s Time used: 0.001771 Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.001534s Time used: 4.00142 Solving with 2 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.004546s Time used: 4.00115 Solving with 3 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 1.009849s Time used: 1.0007 Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.004948s Time used: 0.002562 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: 0.000505s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.000533s 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}> Variables: WItemsNum^0 Checking conditional non-termination of SCC {l2, l4}... > 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