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: 0.008816 Checking conditional termination of SCC {l8}... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.004775s Ranking function: -1 + k1^0 New Graphs: Proving termination of subgraph 2 Checking unfeasibility... Time used: 0.039479 Checking conditional termination of SCC {l2}... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.015326s Ranking function: -1 + k2^0 New Graphs: Proving termination of subgraph 3 Checking unfeasibility... Time used: 0.001703 > 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: 0.002337s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.002497s Postcondition: 1 <= 0 LOG: CALL check - Post:1 <= 0 - Process 4 * Exit transition: * Postcondition : 1 <= 0 LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.002403s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.002569s 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: 0.023869s Time used: 0.023481 Improving Solution with cost 52 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 1.001314s Time used: 1.00133 LOG: SAT solveNonLinear - Elapsed time: 1.025183s Cost: 52; Total time: 1.02481 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: 0.010451s Remaining time after improvement: 0.994849 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: 0.002956s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.003135s Solving with 2 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.060277s Time used: 0.059638 Improving Solution with cost 52 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 1.001605s Time used: 1.00162 LOG: SAT solveNonLinear - Elapsed time: 1.061883s Cost: 52; Total time: 1.06126 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: 0.022403s Remaining time after improvement: 0.992716 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: 0.003798s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.003977s Solving with 3 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.176871s Time used: 0.175954 Improving Solution with cost 52 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.825790s Time used: 0.825799 LOG: SAT solveNonLinear - Elapsed time: 1.002661s Cost: 52; Total time: 1.00175 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: 0.013859s Remaining time after improvement: 0.991197 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: 0.003383s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.003565s LOG: Postcondition is not implied - no solution > Postcondition is not implied! LOG: RETURN check - Elapsed time: 3.212585s 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: 0.058457s Time used: 0.057709 Improving Solution with cost 51 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 1.002615s Time used: 1.00263 LOG: SAT solveNonLinear - Elapsed time: 1.061072s Cost: 51; Total time: 1.06034 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: 0.059512s Remaining time after improvement: 0.987924 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: 0.002635s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.002808s Postcondition: undef1706 <= 0 LOG: CALL check - Post:undef1706 <= 0 - Process 10 * Exit transition: * Postcondition : undef1706 <= 0 LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.002682s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.002859s 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: 0.024484s Time used: 0.024126 Improving Solution with cost 52 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 1.001522s Time used: 1.00154 LOG: SAT solveNonLinear - Elapsed time: 1.026005s Cost: 52; Total time: 1.02567 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: 0.011330s Remaining time after improvement: 0.994762 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: 0.003632s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.003809s Solving with 2 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.064081s Time used: 0.063402 Improving Solution with cost 52 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 1.001860s Time used: 1.00188 LOG: SAT solveNonLinear - Elapsed time: 1.065940s Cost: 52; Total time: 1.06528 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: 0.024812s Remaining time after improvement: 0.99119 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: 0.004067s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.004248s Solving with 3 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.130702s Time used: 0.129744 Improving Solution with cost 52 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.872120s Time used: 0.872123 LOG: SAT solveNonLinear - Elapsed time: 1.002821s Cost: 52; Total time: 1.00187 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: 0.015260s Remaining time after improvement: 0.990196 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: 0.004407s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.004604s LOG: Postcondition is not implied - no solution > Postcondition is not implied! LOG: RETURN check - Elapsed time: 3.243778s Solving with 2 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.325886s Time used: 0.324025 Improving Solution with cost 51 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 1.003205s Time used: 1.00322 LOG: SAT solveNonLinear - Elapsed time: 1.329091s Cost: 51; Total time: 1.32724 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: 0.022950s Remaining time after improvement: 0.984344 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: 0.026153s Time used: 0.025778 Improving Solution with cost 52 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 1.002553s Time used: 1.00255 LOG: SAT solveNonLinear - Elapsed time: 1.028705s Cost: 52; Total time: 1.02833 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: 0.011807s Remaining time after improvement: 0.993508 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: 0.003954s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.004132s Solving with 2 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.064470s Time used: 0.063761 Improving Solution with cost 52 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 1.001934s Time used: 1.00194 LOG: SAT solveNonLinear - Elapsed time: 1.066405s Cost: 52; Total time: 1.0657 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: 0.025511s Remaining time after improvement: 0.991882 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: 0.004290s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.004473s Solving with 3 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.143258s Time used: 0.142192 Improving Solution with cost 52 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.859592s Time used: 0.859598 LOG: SAT solveNonLinear - Elapsed time: 1.002850s Cost: 52; Total time: 1.00179 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: 0.016095s Remaining time after improvement: 0.990018 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: 0.004406s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.004607s LOG: Postcondition is not implied - no solution > Postcondition is not implied! LOG: RETURN check - Elapsed time: 3.240227s Solving with 3 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.508172s Time used: 0.506015 Improving Solution with cost 51 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.496896s Time used: 0.496881 LOG: SAT solveNonLinear - Elapsed time: 1.005068s Cost: 51; Total time: 1.0029 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: 0.033005s Remaining time after improvement: 0.978417 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: 0.026159s Time used: 0.025774 Improving Solution with cost 52 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 1.003926s Time used: 1.00393 LOG: SAT solveNonLinear - Elapsed time: 1.030085s Cost: 52; Total time: 1.0297 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: 0.011964s Remaining time after improvement: 0.993696 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: 0.004116s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.004304s Solving with 2 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.067784s Time used: 0.067079 Improving Solution with cost 52 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 1.002655s Time used: 1.00265 LOG: SAT solveNonLinear - Elapsed time: 1.070439s Cost: 52; Total time: 1.06973 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: 0.026322s Remaining time after improvement: 0.990312 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: 0.005154s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.005351s Solving with 3 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.134290s Time used: 0.133273 Improving Solution with cost 52 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.868815s Time used: 0.868809 LOG: SAT solveNonLinear - Elapsed time: 1.003105s Cost: 52; Total time: 1.00208 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: 0.017012s Remaining time after improvement: 0.98863 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: 0.005625s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.005831s LOG: Postcondition is not implied - no solution > Postcondition is not implied! LOG: RETURN check - Elapsed time: 3.255832s LOG: Postcondition is not implied - no solution > Postcondition is not implied! LOG: RETURN check - Elapsed time: 16.594434s 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