NO Solver Timeout: 4 Global Timeout: 60 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: 0.011498 Checking conditional termination of SCC {l2, l4}... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.001783s LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.009352s Trying to remove transition: -1 + WItemsNum^0, rest remain the same}> Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.046063s Time used: 0.045795 Trying to remove transition: 1 + WItemsNum^0, rest remain the same}> Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.019382s Time used: 0.018688 Trying to remove transition: 1 + WItemsNum^0, rest remain the same}> Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.011871s Time used: 0.010784 Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.053857s Time used: 0.052697 Improving Solution with cost 1 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.175685s Time used: 0.175666 LOG: SAT solveNonLinear - Elapsed time: 0.229542s Cost: 1; Total time: 0.228363 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: 0.013223s Remaining time after improvement: 0.99649 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: 0.000638s LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.001752s Trying to remove transition: 1 + WItemsNum^0, rest remain the same}> Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.004601s Time used: 0.00447 Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.001621s Time used: 4.00125 Solving with 2 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.006000s Time used: 4.0009 Solving with 3 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 1.003978s Time used: 1.00045 Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.009536s Time used: 0.006069 Improving Solution with cost 1 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.009528s Time used: 0.009501 LOG: SAT solveNonLinear - Elapsed time: 0.019064s Cost: 1; Total time: 0.01557 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: 0.000463s LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.001796s Trying to remove transition: 1 + WItemsNum^0, rest remain the same}> Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.005413s Time used: 0.005275 Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.003217s Time used: 4.00288 Solving with 2 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.005855s Time used: 4.00084 Solving with 3 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 1.004169s Time used: 1.00052 Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.009280s Time used: 0.006133 Improving Solution with cost 1 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.009620s Time used: 0.009614 LOG: SAT solveNonLinear - Elapsed time: 0.018900s Cost: 1; Total time: 0.015747 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: 0.000558s LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.002102s Trying to remove transition: 1 + WItemsNum^0, rest remain the same}> Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.005612s Time used: 0.005465 Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.001798s Time used: 4.00142 Solving with 2 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.005243s Time used: 4.00087 Solving with 3 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 1.003794s Time used: 1.00055 Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.010124s Time used: 0.006842 Improving Solution with cost 1 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.009595s Time used: 0.009574 LOG: SAT solveNonLinear - Elapsed time: 0.019719s Cost: 1; Total time: 0.016416 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: 0.000664s LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.002459s Trying to remove transition: 1 + WItemsNum^0, rest remain the same}> Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.006042s Time used: 0.005883 Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 2.480739s Time used: 2.48043 Solving with 2 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 1.023878s Time used: 0.996214 Solving with 3 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.962051s Time used: 0.960183 Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.009474s Time used: 0.006264 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: 0.001265s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.001337s 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