NO Solver Timeout: 4 Global Timeout: 300 No parsing errors! Init Location: 0 Transitions: undef35}> undef54}> (0 + undef94), StackSize^0 -> undef93, __rho_99_^0 -> undef94}> 0}> (~(1) + k4^0), keR^0 -> 0}> 0}> 0, keR^0 -> 0}> Fresh variables: undef35, undef54, undef93, undef94, undef100, undef110, undef120, undef130, Undef variables: undef35, undef54, undef93, undef94, undef100, undef110, undef120, undef130, Abstraction variables: Exit nodes: Accepting locations: Asserts: Preprocessed LLVMGraph Init Location: 0 Transitions: (~(1) + k4^0)}> (~(1) + k4^0)}> (~(1) + k4^0)}> (~(1) + k4^0)}> (~(1) + k4^0)}> (~(1) + k4^0)}> Fresh variables: undef35, undef54, undef93, undef94, undef100, undef110, undef120, undef130, Undef variables: undef35, undef54, undef93, undef94, undef100, undef110, undef120, undef130, Abstraction variables: Exit nodes: Accepting locations: Asserts: ************************************************************* ******************************************************************************************* *********************** WORKING TRANSITION SYSTEM (DAG) *********************** ******************************************************************************************* Init Location: 0 Graph 0: Transitions: Variables: Graph 1: Transitions: -1 + k4^0, rest remain the same}> -1 + k4^0, rest remain the same}> -1 + k4^0, rest remain the same}> -1 + k4^0, rest remain the same}> -1 + k4^0, rest remain the same}> -1 + k4^0, rest remain the same}> Variables: IsochResourceData^0, k4^0 Graph 2: Transitions: Variables: Precedence: Graph 0 Graph 1 Graph 2 Map Locations to Subgraph: ( 0 , 0 ) ( 1 , 2 ) ( 4 , 1 ) ******************************************************************************************* ******************************** CHECKING ASSERTIONS ******************************** ******************************************************************************************* Proving termination of subgraph 0 Proving termination of subgraph 1 Checking unfeasibility... Time used: 0.007641 Checking conditional termination of SCC {l4}... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.002285s Ranking function: -2 + IsochResourceData^0 + k4^0 New Graphs: Transitions: -1 + k4^0, rest remain the same}> Variables: IsochResourceData^0, k4^0 Checking conditional termination of SCC {l4}... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.000405s Ranking function: -1 + k4^0 New Graphs: Proving termination of subgraph 2 Checking unfeasibility... Time used: 0.000412 > No variable changes in termination graph. Checking conditional unfeasibility... Termination failed. Trying to show unreachability... Proving unreachability of entry: LOG: CALL check - Post:1 <= 0 - Process 1 * Exit transition: * Postcondition : 1 <= 0 Postcodition moved up: 1 <= 0 LOG: Try proving POST Postcondition: 1 <= 0 LOG: CALL check - Post:1 <= 0 - Process 2 * Exit transition: * Postcondition : 1 <= 0 LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.000206s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.000235s LOG: NarrowEntry size 1 Narrowing transition: -1 + k4^0, rest remain the same}> LOG: Narrow transition size 1 Narrowing transition: -1 + k4^0, rest remain the same}> LOG: Narrow transition size 1 Narrowing transition: -1 + k4^0, rest remain the same}> LOG: Narrow transition size 1 Narrowing transition: -1 + k4^0, rest remain the same}> LOG: Narrow transition size 1 Narrowing transition: -1 + k4^0, rest remain the same}> LOG: Narrow transition size 1 Narrowing transition: -1 + k4^0, rest remain the same}> LOG: Narrow transition size 1 ENTRIES: END ENTRIES: GRAPH: -1 + k4^0, rest remain the same}> -1 + k4^0, rest remain the same}> -1 + k4^0, rest remain the same}> -1 + k4^0, rest remain the same}> -1 + k4^0, rest remain the same}> -1 + k4^0, rest remain the same}> END GRAPH: EXIT: POST: 1 <= 0 LOG: Try proving POST Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.012526s Time used: 0.01237 Improving Solution with cost 51 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 1.000301s Time used: 1.00028 LOG: SAT solveNonLinear - Elapsed time: 1.012827s Cost: 51; Total time: 1.01265 Failed at location 4: 1 + IsochResourceData^0 <= 0 Before Improving: Quasi-invariant at l4: 1 + IsochResourceData^0 <= 0 Optimizing invariants... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.006644s Remaining time after improvement: 0.998386 Some transition disabled by a set of quasi-invariant(s): Quasi-invariant at l4: 1 + IsochResourceData^0 <= 0 LOG: NEXT CALL check - disable LOG: CALL check - Post:1 + IsochResourceData^0 <= 0 - Process 3 * Exit transition: * Postcondition : 1 + IsochResourceData^0 <= 0 LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.000511s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.000547s Solving with 2 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.050463s Time used: 0.05017 Improving Solution with cost 51 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 1.000677s Time used: 1.00066 LOG: SAT solveNonLinear - Elapsed time: 1.051139s Cost: 51; Total time: 1.05083 Failed at location 4: k4^0 <= IsochResourceData^0 Before Improving: Quasi-invariant at l4: k4^0 <= IsochResourceData^0 Optimizing invariants... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.028778s Remaining time after improvement: 0.997244 Some transition disabled by a set of quasi-invariant(s): Quasi-invariant at l4: k4^0 <= IsochResourceData^0 LOG: NEXT CALL check - disable LOG: CALL check - Post:k4^0 <= IsochResourceData^0 - Process 4 * Exit transition: * Postcondition : k4^0 <= IsochResourceData^0 LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.000774s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.000816s Solving with 3 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.375458s Time used: 0.375042 Improving Solution with cost 51 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.625781s Time used: 0.625773 LOG: SAT solveNonLinear - Elapsed time: 1.001239s Cost: 51; Total time: 1.00082 Failed at location 4: IsochResourceData^0 <= 0 Before Improving: Quasi-invariant at l4: IsochResourceData^0 <= 0 Optimizing invariants... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.006531s Remaining time after improvement: 0.996886 Some transition disabled by a set of quasi-invariant(s): Quasi-invariant at l4: IsochResourceData^0 <= 0 LOG: NEXT CALL check - disable LOG: CALL check - Post:IsochResourceData^0 <= 0 - Process 5 * Exit transition: * Postcondition : IsochResourceData^0 <= 0 LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.000730s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.000770s LOG: Postcondition is not implied - no solution > Postcondition is not implied! LOG: RETURN check - Elapsed time: 3.122614s Cannot prove unreachability Proving non-termination of subgraph 2 Transitions: Variables: Checking conditional non-termination of SCC {l1}... > No exit transition to close. Calling reachability with... Transition: Conditions: OPEN EXITS: --- Reachability graph --- > Graph without transitions. Calling reachability with... Transition: Conditions: OPEN EXITS: (condsUp: undef110 = 1, undef130 = 1) --- Reachability graph --- > Graph without transitions. Calling reachability with... Transition: Conditions: k4^0 <= 0, undef110 = 1, undef130 = 1, OPEN EXITS: > Conditions are reachable! Program does NOT terminate