NO Solver Timeout: 4 Global Timeout: 60 No parsing errors! Init Location: 0 Transitions: undef293}> undef492}> undef738, __rho_7_^0 -> undef759, k2^0 -> (~(1) + k2^0)}> (0 + Irql^0), keR^0 -> 0}> undef953, k3^0 -> (0 + undef953), keA^0 -> 0}> (0 + CromData^0)}> undef1233}> 0}> undef1569}> (0 + undef1635), __rho_3_^0 -> undef1635, k1^0 -> (~(1) + k1^0)}> undef1706, i___099^0 -> (0 + Irql^0), k2^0 -> (0 + undef1706), keA^0 -> 0, keR^0 -> 0}> 0, a4545^0 -> 2, a4646^0 -> (0 + BusResetIrp^0), prevCancel^0 -> (0 + undef1956), ret_IoSetCancelRoutine4444^0 -> undef1956}> (~(1) + k5^0)}> undef2095, __rho_56_^0 -> undef2112, prevCancel^0 -> 0}> (0 + Irql^0), keR^0 -> 0}> (0 + pIrb^0), a3434^0 -> (0 + ResourceIrp^0), a3737^0 -> (0 + pIrb^0), a3838^0 -> (0 + ResourceIrp^0), b3333^0 -> 0, b3535^0 -> (0 + pIrb^0), ntStatus^0 -> (0 + undef2431), ret_t1394_SubmitIrpSynch3636^0 -> undef2431}> (0 + ResourceIrp^0)}> undef2514, k1^0 -> (0 + undef2514), keA^0 -> 0, ntStatus^0 -> (0 + undef2563), ret_IoSetDeviceInterfaceState44^0 -> undef2563}> 1, b2929^0 -> 0, pIrb^0 -> (0 + undef2630), ret_ExAllocatePool3030^0 -> undef2630}> (0 + undef2966), StackSize^0 -> undef2913, __rho_99_^0 -> undef2927, a2525^0 -> (0 + undef2913), b2626^0 -> 0, pIrb^0 -> undef2963, ret_IoAllocateIrp2727^0 -> undef2966}> undef2985, i___04040^0 -> (0 + Irql^0), k5^0 -> (0 + undef2985), keA^0 -> 0, keR^0 -> 0}> (0 + undef3057), __rho_12_^0 -> undef3057, i___02424^0 -> (0 + Irql^0), k4^0 -> (~(1) + k4^0), keR^0 -> 0}> (0 + DeviceObject^0), b22^0 -> (0 + Irp^0), ntStatus^0 -> (0 + undef3247), ret_t1394Diag_PnpStopDevice33^0 -> undef3247}> undef3260, i___02020^0 -> (0 + Irql^0), k4^0 -> (0 + undef3260), keR^0 -> 0}> undef3325, a1818^0 -> (0 + undef3325), i^0 -> undef3362, i___01717^0 -> (0 + Irql^0), k3^0 -> (~(1) + k3^0), keR^0 -> 0}> undef3404, keA^0 -> 0, keR^0 -> 0}> Fresh variables: undef293, undef492, undef738, undef759, undef805, undef873, undef874, undef875, undef953, undef1010, undef1011, undef1012, undef1233, undef1348, undef1349, undef1350, undef1569, undef1635, undef1706, undef1753, undef1754, undef1755, undef1756, undef1757, undef1758, undef1956, undef2095, undef2112, undef2228, undef2229, undef2230, undef2431, undef2514, undef2563, undef2566, undef2567, undef2568, undef2630, undef2913, undef2927, undef2963, undef2966, undef2971, undef2985, undef3039, undef3040, undef3041, undef3042, undef3043, undef3044, undef3057, undef3112, undef3113, undef3114, undef3247, undef3260, undef3316, undef3317, undef3318, undef3325, undef3362, undef3386, undef3387, undef3388, undef3389, undef3404, Undef variables: undef293, undef492, undef738, undef759, undef805, undef873, undef874, undef875, undef953, undef1010, undef1011, undef1012, undef1233, undef1348, undef1349, undef1350, undef1569, undef1635, undef1706, undef1753, undef1754, undef1755, undef1756, undef1757, undef1758, undef1956, undef2095, undef2112, undef2228, undef2229, undef2230, undef2431, undef2514, undef2563, undef2566, undef2567, undef2568, undef2630, undef2913, undef2927, undef2963, undef2966, undef2971, undef2985, undef3039, undef3040, undef3041, undef3042, undef3043, undef3044, undef3057, undef3112, undef3113, undef3114, undef3247, undef3260, undef3316, undef3317, undef3318, undef3325, undef3362, undef3386, undef3387, undef3388, undef3389, undef3404, Abstraction variables: Exit nodes: Accepting locations: Asserts: Preprocessed LLVMGraph Init Location: 0 Transitions: (~(1) + k2^0)}> (~(1) + k2^0)}> (~(1) + k2^0)}> (~(1) + k2^0)}> (~(1) + k2^0)}> (~(1) + k2^0)}> (~(1) + k2^0)}> (~(1) + k2^0)}> (~(1) + k2^0)}> (~(1) + k2^0)}> (~(1) + k2^0)}> (~(1) + k2^0)}> (~(1) + k2^0)}> (~(1) + k2^0)}> (~(1) + k2^0)}> (~(1) + k2^0)}> (~(1) + k1^0)}> (~(1) + k1^0)}> (~(1) + k1^0)}> (~(1) + k1^0)}> (~(1) + k1^0)}> (0 + undef1706)}> (0 + undef3260)}> (0 + undef2985)}> (~(1) + k4^0)}> (~(1) + k4^0)}> (~(1) + k4^0)}> (~(1) + k4^0)}> (~(1) + k5^0)}> Fresh variables: undef293, undef492, undef738, undef759, undef805, undef873, undef874, undef875, undef953, undef1010, undef1011, undef1012, undef1233, undef1348, undef1349, undef1350, undef1569, undef1635, undef1706, undef1753, undef1754, undef1755, undef1756, undef1757, undef1758, undef1956, undef2095, undef2112, undef2228, undef2229, undef2230, undef2431, undef2514, undef2563, undef2566, undef2567, undef2568, undef2630, undef2913, undef2927, undef2963, undef2966, undef2971, undef2985, undef3039, undef3040, undef3041, undef3042, undef3043, undef3044, undef3057, undef3112, undef3113, undef3114, undef3247, undef3260, undef3316, undef3317, undef3318, undef3325, undef3362, undef3386, undef3387, undef3388, undef3389, undef3404, Undef variables: undef293, undef492, undef738, undef759, undef805, undef873, undef874, undef875, undef953, undef1010, undef1011, undef1012, undef1233, undef1348, undef1349, undef1350, undef1569, undef1635, undef1706, undef1753, undef1754, undef1755, undef1756, undef1757, undef1758, undef1956, undef2095, undef2112, undef2228, undef2229, undef2230, undef2431, undef2514, undef2563, undef2566, undef2567, undef2568, undef2630, undef2913, undef2927, undef2963, undef2966, undef2971, undef2985, undef3039, undef3040, undef3041, undef3042, undef3043, undef3044, undef3057, undef3112, undef3113, undef3114, undef3247, undef3260, undef3316, undef3317, undef3318, undef3325, undef3362, undef3386, undef3387, undef3388, undef3389, undef3404, Abstraction variables: Exit nodes: Accepting locations: Asserts: ************************************************************* ******************************************************************************************* *********************** WORKING TRANSITION SYSTEM (DAG) *********************** ******************************************************************************************* Init Location: 0 Graph 0: Transitions: Variables: Graph 1: Transitions: -1 + k1^0, rest remain the same}> -1 + k1^0, rest remain the same}> -1 + k1^0, rest remain the same}> -1 + k1^0, rest remain the same}> -1 + k1^0, rest remain the same}> Variables: k1^0 Graph 2: Transitions: -1 + k2^0, rest remain the same}> -1 + k2^0, rest remain the same}> -1 + k2^0, rest remain the same}> -1 + k2^0, rest remain the same}> -1 + k2^0, rest remain the same}> -1 + k2^0, rest remain the same}> -1 + k2^0, rest remain the same}> -1 + k2^0, rest remain the same}> -1 + k2^0, rest remain the same}> -1 + k2^0, rest remain the same}> -1 + k2^0, rest remain the same}> -1 + k2^0, rest remain the same}> -1 + k2^0, rest remain the same}> -1 + k2^0, rest remain the same}> -1 + k2^0, rest remain the same}> -1 + k2^0, rest remain the same}> Variables: k2^0 Graph 3: Transitions: Variables: Graph 4: 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}> Variables: k4^0 Graph 5: Transitions: -1 + k5^0, rest remain the same}> Variables: k5^0 Graph 6: Transitions: Variables: Precedence: Graph 0 Graph 1 Graph 2 undef1706, rest remain the same}> Graph 3 Graph 4 undef3260, rest remain the same}> Graph 5 undef2985, rest remain the same}> Graph 6 Map Locations to Subgraph: ( 0 , 0 ) ( 2 , 2 ) ( 8 , 1 ) ( 11 , 3 ) ( 16 , 4 ) ( 20 , 5 ) ( 26 , 6 ) ******************************************************************************************* ******************************** CHECKING ASSERTIONS ******************************** ******************************************************************************************* Proving termination of subgraph 0 Proving termination of subgraph 1 Checking unfeasibility... Time used: 0.008862 Checking conditional termination of SCC {l8}... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.004707s Ranking function: -1 + k1^0 New Graphs: Proving termination of subgraph 2 Checking unfeasibility... Time used: 0.040194 Checking conditional termination of SCC {l2}... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.015030s Ranking function: -1 + k2^0 New Graphs: Proving termination of subgraph 3 Checking unfeasibility... Time used: 0.001693 > 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: undef1706, rest remain the same}> * Postcondition : 1 <= 0 Postcodition moved up: 1 <= 0 LOG: Try proving POST Postcondition: 1 <= 0 LOG: CALL check - Post:1 <= 0 - Process 3 * Exit transition: * Postcondition : 1 <= 0 LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.002335s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.002496s Postcondition: 1 <= 0 LOG: CALL check - Post:1 <= 0 - Process 4 * Exit transition: * Postcondition : 1 <= 0 LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.002397s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.002566s LOG: NarrowEntry size 1 LOG: NarrowEntry size 1 Narrowing transition: -1 + k1^0, rest remain the same}> LOG: Narrow transition size 1 Narrowing transition: -1 + k1^0, rest remain the same}> LOG: Narrow transition size 1 Narrowing transition: -1 + k1^0, rest remain the same}> LOG: Narrow transition size 1 Narrowing transition: -1 + k1^0, rest remain the same}> LOG: Narrow transition size 1 Narrowing transition: -1 + k1^0, rest remain the same}> LOG: Narrow transition size 1 ENTRIES: END ENTRIES: GRAPH: -1 + k1^0, rest remain the same}> -1 + k1^0, rest remain the same}> -1 + k1^0, rest remain the same}> -1 + k1^0, rest remain the same}> -1 + k1^0, rest remain the same}> END GRAPH: EXIT: undef1706, rest remain the same}> POST: 1 <= 0 LOG: Try proving POST Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.024001s Time used: 0.023621 Improving Solution with cost 52 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 1.001511s Time used: 1.00147 LOG: SAT solveNonLinear - Elapsed time: 1.025512s Cost: 52; Total time: 1.02509 Failed at location 8: k1^0 <= 0 Failed at location 8: k1^0 <= 0 Before Improving: Quasi-invariant at l8: k1^0 <= 0 Optimizing invariants... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.010470s Remaining time after improvement: 0.994923 Some transition disabled by a set of quasi-invariant(s): Quasi-invariant at l8: k1^0 <= 0 LOG: NEXT CALL check - disable LOG: CALL check - Post:k1^0 <= 0 - Process 5 * Exit transition: * Postcondition : k1^0 <= 0 LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.002960s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.003136s Solving with 2 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.060661s Time used: 0.060017 Improving Solution with cost 52 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 1.001514s Time used: 1.00149 LOG: SAT solveNonLinear - Elapsed time: 1.062175s Cost: 52; Total time: 1.0615 Failed at location 8: k1^0 <= 0 Failed at location 8: k1^0 <= 0 Before Improving: Quasi-invariant at l8: k1^0 <= 0 Optimizing invariants... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.022390s Remaining time after improvement: 0.992691 Some transition disabled by a set of quasi-invariant(s): Quasi-invariant at l8: k1^0 <= 0 LOG: NEXT CALL check - disable LOG: CALL check - Post:k1^0 <= 0 - Process 6 * Exit transition: * Postcondition : k1^0 <= 0 LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.003857s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.004033s Solving with 3 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.178814s Time used: 0.177896 Improving Solution with cost 52 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.823791s Time used: 0.823769 LOG: SAT solveNonLinear - Elapsed time: 1.002605s Cost: 52; Total time: 1.00167 Failed at location 8: k1^0 <= 0 Failed at location 8: k1^0 <= 0 Before Improving: Quasi-invariant at l8: k1^0 <= 0 Optimizing invariants... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.013865s Remaining time after improvement: 0.991232 Some transition disabled by a set of quasi-invariant(s): Quasi-invariant at l8: k1^0 <= 0 LOG: NEXT CALL check - disable LOG: CALL check - Post:k1^0 <= 0 - Process 7 * Exit transition: * Postcondition : k1^0 <= 0 LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.003762s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.003951s LOG: Postcondition is not implied - no solution > Postcondition is not implied! LOG: RETURN check - Elapsed time: 3.213285s LOG: NarrowEntry size 1 Narrowing transition: -1 + k2^0, rest remain the same}> LOG: Narrow transition size 1 Narrowing transition: -1 + k2^0, rest remain the same}> LOG: Narrow transition size 1 Narrowing transition: -1 + k2^0, rest remain the same}> LOG: Narrow transition size 1 Narrowing transition: -1 + k2^0, rest remain the same}> LOG: Narrow transition size 1 Narrowing transition: -1 + k2^0, rest remain the same}> LOG: Narrow transition size 1 Narrowing transition: -1 + k2^0, rest remain the same}> LOG: Narrow transition size 1 Narrowing transition: -1 + k2^0, rest remain the same}> LOG: Narrow transition size 1 Narrowing transition: -1 + k2^0, rest remain the same}> LOG: Narrow transition size 1 Narrowing transition: -1 + k2^0, rest remain the same}> LOG: Narrow transition size 1 Narrowing transition: -1 + k2^0, rest remain the same}> LOG: Narrow transition size 1 Narrowing transition: -1 + k2^0, rest remain the same}> LOG: Narrow transition size 1 Narrowing transition: -1 + k2^0, rest remain the same}> LOG: Narrow transition size 1 Narrowing transition: -1 + k2^0, rest remain the same}> LOG: Narrow transition size 1 Narrowing transition: -1 + k2^0, rest remain the same}> LOG: Narrow transition size 1 Narrowing transition: -1 + k2^0, rest remain the same}> LOG: Narrow transition size 1 Narrowing transition: -1 + k2^0, rest remain the same}> LOG: Narrow transition size 1 ENTRIES: undef1706, rest remain the same}> END ENTRIES: GRAPH: -1 + k2^0, rest remain the same}> -1 + k2^0, rest remain the same}> -1 + k2^0, rest remain the same}> -1 + k2^0, rest remain the same}> -1 + k2^0, rest remain the same}> -1 + k2^0, rest remain the same}> -1 + k2^0, rest remain the same}> -1 + k2^0, rest remain the same}> -1 + k2^0, rest remain the same}> -1 + k2^0, rest remain the same}> -1 + k2^0, rest remain the same}> -1 + k2^0, rest remain the same}> -1 + k2^0, rest remain the same}> -1 + k2^0, rest remain the same}> -1 + k2^0, rest remain the same}> -1 + k2^0, 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: 0.058954s Time used: 0.058219 Improving Solution with cost 51 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 1.001413s Time used: 1.00138 LOG: SAT solveNonLinear - Elapsed time: 1.060367s Cost: 51; Total time: 1.0596 Failed at location 2: k2^0 <= 0 Before Improving: Quasi-invariant at l2: k2^0 <= 0 Optimizing invariants... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.043950s Remaining time after improvement: 0.987109 Some transition disabled by a set of quasi-invariant(s): Quasi-invariant at l2: k2^0 <= 0 LOG: NEXT CALL check - disable LOG: CALL check - Post:k2^0 <= 0 - Process 8 * Exit transition: undef1706, rest remain the same}> * Postcondition : k2^0 <= 0 Postcodition moved up: undef1706 <= 0 LOG: Try proving POST Postcondition: undef1706 <= 0 LOG: CALL check - Post:undef1706 <= 0 - Process 9 * Exit transition: * Postcondition : undef1706 <= 0 LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.002634s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.002805s Postcondition: undef1706 <= 0 LOG: CALL check - Post:undef1706 <= 0 - Process 10 * Exit transition: * Postcondition : undef1706 <= 0 LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.002688s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.002881s LOG: NarrowEntry size 1 LOG: NarrowEntry size 1 Narrowing transition: -1 + k1^0, rest remain the same}> LOG: Narrow transition size 1 Narrowing transition: -1 + k1^0, rest remain the same}> LOG: Narrow transition size 1 Narrowing transition: -1 + k1^0, rest remain the same}> LOG: Narrow transition size 1 Narrowing transition: -1 + k1^0, rest remain the same}> LOG: Narrow transition size 1 Narrowing transition: -1 + k1^0, rest remain the same}> LOG: Narrow transition size 1 ENTRIES: END ENTRIES: GRAPH: -1 + k1^0, rest remain the same}> -1 + k1^0, rest remain the same}> -1 + k1^0, rest remain the same}> -1 + k1^0, rest remain the same}> -1 + k1^0, rest remain the same}> END GRAPH: EXIT: undef1706, rest remain the same}> POST: k2^0 <= 0 LOG: Try proving POST Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.025005s Time used: 0.02464 Improving Solution with cost 52 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 1.015828s Time used: 1.0158 LOG: SAT solveNonLinear - Elapsed time: 1.040832s Cost: 52; Total time: 1.04044 Failed at location 8: k1^0 <= 0 Failed at location 8: k1^0 <= 0 Before Improving: Quasi-invariant at l8: k1^0 <= 0 Optimizing invariants... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.011271s Remaining time after improvement: 0.994754 Some transition disabled by a set of quasi-invariant(s): Quasi-invariant at l8: k1^0 <= 0 LOG: NEXT CALL check - disable LOG: CALL check - Post:k1^0 <= 0 - Process 11 * Exit transition: * Postcondition : k1^0 <= 0 LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.003622s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.003808s Solving with 2 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.064456s Time used: 0.063767 Improving Solution with cost 52 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 1.001769s Time used: 1.00173 LOG: SAT solveNonLinear - Elapsed time: 1.066224s Cost: 52; Total time: 1.0655 Failed at location 8: k1^0 <= 0 Failed at location 8: k1^0 <= 0 Before Improving: Quasi-invariant at l8: k1^0 <= 0 Optimizing invariants... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.024892s Remaining time after improvement: 0.991102 Some transition disabled by a set of quasi-invariant(s): Quasi-invariant at l8: k1^0 <= 0 LOG: NEXT CALL check - disable LOG: CALL check - Post:k1^0 <= 0 - Process 12 * Exit transition: * Postcondition : k1^0 <= 0 LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.004076s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.004259s Solving with 3 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.130818s Time used: 0.129854 Improving Solution with cost 52 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.872049s Time used: 0.872025 LOG: SAT solveNonLinear - Elapsed time: 1.002867s Cost: 52; Total time: 1.00188 Failed at location 8: k1^0 <= 0 Failed at location 8: k1^0 <= 0 Before Improving: Quasi-invariant at l8: k1^0 <= 0 Optimizing invariants... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.015071s Remaining time after improvement: 0.990228 Some transition disabled by a set of quasi-invariant(s): Quasi-invariant at l8: k1^0 <= 0 LOG: NEXT CALL check - disable LOG: CALL check - Post:k1^0 <= 0 - Process 13 * Exit transition: * Postcondition : k1^0 <= 0 LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.004412s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.004603s LOG: Postcondition is not implied - no solution > Postcondition is not implied! LOG: RETURN check - Elapsed time: 3.259880s Solving with 2 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.332201s Time used: 0.330673 Improving Solution with cost 51 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 1.001975s Time used: 1.00192 LOG: SAT solveNonLinear - Elapsed time: 1.334175s Cost: 51; Total time: 1.33259 Failed at location 2: 1 + k2^0 <= 0 Before Improving: Quasi-invariant at l2: 1 + k2^0 <= 0 Optimizing invariants... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.021785s Remaining time after improvement: 0.986002 Some transition disabled by a set of quasi-invariant(s): Quasi-invariant at l2: 1 + k2^0 <= 0 LOG: NEXT CALL check - disable LOG: CALL check - Post:1 + k2^0 <= 0 - Process 14 * Exit transition: undef1706, rest remain the same}> * Postcondition : 1 + k2^0 <= 0 Postcodition moved up: 1 + undef1706 <= 0 LOG: Try proving POST Postcondition: 1 + undef1706 <= 0 LOG: Postcondition is not implied - Post: 1 + undef1706 <= 0 - Already checked Already checked with failure Postcondition: 1 + undef1706 <= 0 LOG: Postcondition is not implied - Post: 1 + undef1706 <= 0 - Already checked Already checked with failure LOG: NarrowEntry size 1 LOG: NarrowEntry size 1 Narrowing transition: -1 + k1^0, rest remain the same}> LOG: Narrow transition size 1 Narrowing transition: -1 + k1^0, rest remain the same}> LOG: Narrow transition size 1 Narrowing transition: -1 + k1^0, rest remain the same}> LOG: Narrow transition size 1 Narrowing transition: -1 + k1^0, rest remain the same}> LOG: Narrow transition size 1 Narrowing transition: -1 + k1^0, rest remain the same}> LOG: Narrow transition size 1 ENTRIES: END ENTRIES: GRAPH: -1 + k1^0, rest remain the same}> -1 + k1^0, rest remain the same}> -1 + k1^0, rest remain the same}> -1 + k1^0, rest remain the same}> -1 + k1^0, rest remain the same}> END GRAPH: EXIT: undef1706, rest remain the same}> POST: 1 + k2^0 <= 0 LOG: Try proving POST Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.028485s Time used: 0.028106 Improving Solution with cost 52 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 1.002643s Time used: 1.0026 LOG: SAT solveNonLinear - Elapsed time: 1.031128s Cost: 52; Total time: 1.03071 Failed at location 8: k1^0 <= 0 Failed at location 8: k1^0 <= 0 Before Improving: Quasi-invariant at l8: k1^0 <= 0 Optimizing invariants... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.011917s Remaining time after improvement: 0.993448 Some transition disabled by a set of quasi-invariant(s): Quasi-invariant at l8: k1^0 <= 0 LOG: NEXT CALL check - disable LOG: CALL check - Post:k1^0 <= 0 - Process 15 * Exit transition: * Postcondition : k1^0 <= 0 LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.003981s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.004175s Solving with 2 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.064922s Time used: 0.064207 Improving Solution with cost 52 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 1.001997s Time used: 1.00196 LOG: SAT solveNonLinear - Elapsed time: 1.066919s Cost: 52; Total time: 1.06617 Failed at location 8: k1^0 <= 0 Failed at location 8: k1^0 <= 0 Before Improving: Quasi-invariant at l8: k1^0 <= 0 Optimizing invariants... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.025533s Remaining time after improvement: 0.991836 Some transition disabled by a set of quasi-invariant(s): Quasi-invariant at l8: k1^0 <= 0 LOG: NEXT CALL check - disable LOG: CALL check - Post:k1^0 <= 0 - Process 16 * Exit transition: * Postcondition : k1^0 <= 0 LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.004310s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.004494s Solving with 3 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.143975s Time used: 0.142927 Improving Solution with cost 52 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.859089s Time used: 0.859039 LOG: SAT solveNonLinear - Elapsed time: 1.003065s Cost: 52; Total time: 1.00197 Failed at location 8: k1^0 <= 0 Failed at location 8: k1^0 <= 0 Before Improving: Quasi-invariant at l8: k1^0 <= 0 Optimizing invariants... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.016070s Remaining time after improvement: 0.98954 Some transition disabled by a set of quasi-invariant(s): Quasi-invariant at l8: k1^0 <= 0 LOG: NEXT CALL check - disable LOG: CALL check - Post:k1^0 <= 0 - Process 17 * Exit transition: * Postcondition : k1^0 <= 0 LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.004866s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.005072s LOG: Postcondition is not implied - no solution > Postcondition is not implied! LOG: RETURN check - Elapsed time: 3.250643s Solving with 3 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.513181s Time used: 0.511003 Improving Solution with cost 51 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.491807s Time used: 0.491791 LOG: SAT solveNonLinear - Elapsed time: 1.004988s Cost: 51; Total time: 1.00279 Failed at location 2: k2^0 <= 0 Before Improving: Quasi-invariant at l2: k2^0 <= 0 Optimizing invariants... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.033105s Remaining time after improvement: 0.978363 Some transition disabled by a set of quasi-invariant(s): Quasi-invariant at l2: k2^0 <= 0 LOG: NEXT CALL check - disable LOG: CALL check - Post:k2^0 <= 0 - Process 18 * Exit transition: undef1706, rest remain the same}> * Postcondition : k2^0 <= 0 Postcodition moved up: undef1706 <= 0 LOG: Try proving POST Postcondition: undef1706 <= 0 LOG: Postcondition is not implied - Post: undef1706 <= 0 - Already checked Already checked with failure Postcondition: undef1706 <= 0 LOG: Postcondition is not implied - Post: undef1706 <= 0 - Already checked Already checked with failure LOG: NarrowEntry size 1 LOG: NarrowEntry size 1 Narrowing transition: -1 + k1^0, rest remain the same}> LOG: Narrow transition size 1 Narrowing transition: -1 + k1^0, rest remain the same}> LOG: Narrow transition size 1 Narrowing transition: -1 + k1^0, rest remain the same}> LOG: Narrow transition size 1 Narrowing transition: -1 + k1^0, rest remain the same}> LOG: Narrow transition size 1 Narrowing transition: -1 + k1^0, rest remain the same}> LOG: Narrow transition size 1 ENTRIES: END ENTRIES: GRAPH: -1 + k1^0, rest remain the same}> -1 + k1^0, rest remain the same}> -1 + k1^0, rest remain the same}> -1 + k1^0, rest remain the same}> -1 + k1^0, rest remain the same}> END GRAPH: EXIT: undef1706, rest remain the same}> POST: k2^0 <= 0 LOG: Try proving POST Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.026268s Time used: 0.025895 Improving Solution with cost 52 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 1.004043s Time used: 1.004 LOG: SAT solveNonLinear - Elapsed time: 1.030311s Cost: 52; Total time: 1.0299 Failed at location 8: k1^0 <= 0 Failed at location 8: k1^0 <= 0 Before Improving: Quasi-invariant at l8: k1^0 <= 0 Optimizing invariants... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.011943s Remaining time after improvement: 0.993674 Some transition disabled by a set of quasi-invariant(s): Quasi-invariant at l8: k1^0 <= 0 LOG: NEXT CALL check - disable LOG: CALL check - Post:k1^0 <= 0 - Process 19 * Exit transition: * Postcondition : k1^0 <= 0 LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.004123s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.004314s Solving with 2 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.068039s Time used: 0.067326 Improving Solution with cost 52 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 1.002810s Time used: 1.00277 LOG: SAT solveNonLinear - Elapsed time: 1.070849s Cost: 52; Total time: 1.07009 Failed at location 8: k1^0 <= 0 Failed at location 8: k1^0 <= 0 Before Improving: Quasi-invariant at l8: k1^0 <= 0 Optimizing invariants... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.026291s Remaining time after improvement: 0.990228 Some transition disabled by a set of quasi-invariant(s): Quasi-invariant at l8: k1^0 <= 0 LOG: NEXT CALL check - disable LOG: CALL check - Post:k1^0 <= 0 - Process 20 * Exit transition: * Postcondition : k1^0 <= 0 LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.005175s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.005371s Solving with 3 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.134918s Time used: 0.133875 Improving Solution with cost 52 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.868278s Time used: 0.868234 LOG: SAT solveNonLinear - Elapsed time: 1.003196s Cost: 52; Total time: 1.00211 Failed at location 8: k1^0 <= 0 Failed at location 8: k1^0 <= 0 Before Improving: Quasi-invariant at l8: k1^0 <= 0 Optimizing invariants... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.017079s Remaining time after improvement: 0.988586 Some transition disabled by a set of quasi-invariant(s): Quasi-invariant at l8: k1^0 <= 0 LOG: NEXT CALL check - disable LOG: CALL check - Post:k1^0 <= 0 - Process 21 * Exit transition: * Postcondition : k1^0 <= 0 LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.005636s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.005845s LOG: Postcondition is not implied - no solution > Postcondition is not implied! LOG: RETURN check - Elapsed time: 3.256806s LOG: Postcondition is not implied - no solution > Postcondition is not implied! LOG: RETURN check - Elapsed time: 16.604518s Cannot prove unreachability Proving non-termination of subgraph 3 Transitions: Variables: Checking conditional non-termination of SCC {l11}... > 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: undef874 = 0, undef873 = 1, undef875 = 1) --- Reachability graph --- > Graph without transitions. Calling reachability with... Transition: undef1706, rest remain the same}> Conditions: k2^0 <= 0, undef874 = 0, undef873 = 1, undef875 = 1, OPEN EXITS: WARNING: Applying substitution to an expression with non-program variables. WARNING: Applying substitution to an expression with non-program variables. WARNING: Applying substitution to an expression with non-program variables. undef1706, rest remain the same}> (condsUp: undef1754 = 0, undef1757 = 0, undef1753 = 1, undef1755 = 1, undef1756 = 1, undef1758 = 1, undef1706 <= 0, undef874 = 0, undef873 = 1, undef875 = 1) --- Reachability graph --- > Graph without transitions. Calling reachability with... Transition: Conditions: k1^0 <= 0, undef1754 = 0, undef1757 = 0, undef1753 = 1, undef1755 = 1, undef1756 = 1, undef1758 = 1, undef1706 <= 0, undef874 = 0, undef873 = 1, undef875 = 1, Transition: Conditions: k1^0 <= 0, undef1754 = 0, undef1757 = 0, undef1753 = 1, undef1755 = 1, undef1756 = 1, undef1758 = 1, undef1706 <= 0, undef874 = 0, undef873 = 1, undef875 = 1, OPEN EXITS: > Conditions are reachable! Program does NOT terminate