NO Solver Timeout: 4 Global Timeout: 300 No parsing errors! Init Location: 0 Transitions: undef8}> (~(1) + WItemsNum^0)}> (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)}> 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}> Variables: WItemsNum^0, __const_5^0 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: 0.007872 Checking conditional termination of SCC {l2, l4}... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.001173s LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.005024s Trying to remove transition: -1 + WItemsNum^0, rest remain the same}> Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.021197s Time used: 0.021066 Trying to remove transition: 1 + WItemsNum^0, rest remain the same}> Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.008867s Time used: 0.008486 Trying to remove transition: 1 + WItemsNum^0, rest remain the same}> Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.005573s Time used: 0.005018 Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.023216s Time used: 0.022597 Improving Solution with cost 1 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.071815s Time used: 0.071812 LOG: SAT solveNonLinear - Elapsed time: 0.095031s Cost: 1; Total time: 0.094409 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 l4: 1 <= 0 Optimizing invariants... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.006656s Remaining time after improvement: 0.99831 Termination implied by a set of quasi-invariant(s): Quasi-invariant at l2: 1 + __const_5^0 <= 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, __const_5^0 Checking conditional termination of SCC {l2}... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.000307s LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.000819s Trying to remove transition: 1 + WItemsNum^0, rest remain the same}> Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.002177s Time used: 0.002109 Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.001251s Time used: 4.00103 Solving with 2 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.002864s Time used: 4.0005 Solving with 3 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 1.002556s Time used: 1.00029 Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.004803s Time used: 0.003289 Improving Solution with cost 1 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.004389s Time used: 0.004387 LOG: SAT solveNonLinear - Elapsed time: 0.009192s Cost: 1; Total time: 0.007676 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: 0.000229s LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.000829s Trying to remove transition: 1 + WItemsNum^0, rest remain the same}> Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.002535s Time used: 0.002466 Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.008184s Time used: 4.00141 Solving with 2 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.003755s Time used: 4.0005 Solving with 3 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 1.002977s Time used: 1.00038 Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.004777s Time used: 0.00333 Improving Solution with cost 1 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.004479s Time used: 0.004477 LOG: SAT solveNonLinear - Elapsed time: 0.009257s Cost: 1; Total time: 0.007807 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: 0.000269s LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.000973s Trying to remove transition: 1 + WItemsNum^0, rest remain the same}> Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.002656s Time used: 0.002581 Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.010268s Time used: 4.00158 Solving with 2 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.003859s Time used: 4.00067 Solving with 3 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 1.003041s Time used: 1.00044 Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.005041s Time used: 0.003648 Improving Solution with cost 1 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.004411s Time used: 0.004409 LOG: SAT solveNonLinear - Elapsed time: 0.009451s Cost: 1; Total time: 0.008057 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: 0.000314s LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.001107s Trying to remove transition: 1 + WItemsNum^0, rest remain the same}> Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.002832s Time used: 0.002752 Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.001871s Time used: 4.00162 Solving with 2 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.005791s Time used: 4.00075 Solving with 3 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 1.003119s Time used: 1.00061 Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.004644s Time used: 0.00312 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: 0.000714s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.000747s 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, __const_5^0 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