NO Solver Timeout: 4 Global Timeout: 60 No parsing errors! Init Location: 0 Transitions: undef266}> undef447}> undef672, __rho_7_^0 -> undef690, k2^0 -> (~(1) + k2^0)}> (0 + Irql^0), keR^0 -> 0}> undef866, k3^0 -> (0 + undef866), keA^0 -> 0}> (0 + CromData^0)}> undef1122}> 0}> undef1428}> (0 + undef1488), __rho_3_^0 -> undef1488, k1^0 -> (~(1) + k1^0)}> undef1553, i___099^0 -> (0 + Irql^0), k2^0 -> (0 + undef1553), keA^0 -> 0, keR^0 -> 0}> 2, a4444^0 -> 1}> (~(1) + k5^0)}> undef1923}> (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 + undef2215), ret_t1394_SubmitIrpSynch3636^0 -> undef2215}> (0 + ResourceIrp^0)}> undef2289, k1^0 -> (0 + undef2289), keA^0 -> 0, ntStatus^0 -> (0 + undef2335), ret_IoSetDeviceInterfaceState44^0 -> undef2335}> 1, b2929^0 -> 0, pIrb^0 -> (0 + undef2397), ret_ExAllocatePool3030^0 -> undef2397}> (0 + undef2703), __rho_99_^0 -> undef2666, a2525^0 -> 1, b2626^0 -> 0, pIrb^0 -> undef2701, ret_IoAllocateIrp2727^0 -> undef2703}> undef2718, i___04040^0 -> (0 + Irql^0), k5^0 -> (0 + undef2718), keA^0 -> 0, keR^0 -> 0}> (0 + undef2784), __rho_12_^0 -> undef2784, i___02424^0 -> (0 + Irql^0), k4^0 -> (~(1) + k4^0), keR^0 -> 0}> 1, b22^0 -> (0 + Irp^0), ntStatus^0 -> (0 + undef2959), ret_t1394Diag_PnpStopDevice33^0 -> undef2959}> undef2969, i___02020^0 -> (0 + Irql^0), k4^0 -> (0 + undef2969), keR^0 -> 0}> undef3029, a1818^0 -> (0 + undef3029), i^0 -> undef3064, i___01717^0 -> (0 + Irql^0), k3^0 -> (~(1) + k3^0), keR^0 -> 0}> undef3101, keA^0 -> 0, keR^0 -> 0}> Fresh variables: undef266, undef447, undef672, undef690, undef733, undef795, undef796, undef797, undef866, undef920, undef921, undef922, undef1122, undef1228, undef1229, undef1230, undef1428, undef1488, undef1553, undef1597, undef1598, undef1599, undef1600, undef1601, undef1602, undef1923, undef2030, undef2031, undef2032, undef2215, undef2289, undef2335, undef2338, undef2339, undef2340, undef2397, undef2666, undef2701, undef2703, undef2707, undef2718, undef2769, undef2770, undef2771, undef2772, undef2773, undef2774, undef2784, undef2836, undef2837, undef2838, undef2959, undef2969, undef3022, undef3023, undef3024, undef3029, undef3064, undef3086, undef3087, undef3088, undef3089, undef3101, Undef variables: undef266, undef447, undef672, undef690, undef733, undef795, undef796, undef797, undef866, undef920, undef921, undef922, undef1122, undef1228, undef1229, undef1230, undef1428, undef1488, undef1553, undef1597, undef1598, undef1599, undef1600, undef1601, undef1602, undef1923, undef2030, undef2031, undef2032, undef2215, undef2289, undef2335, undef2338, undef2339, undef2340, undef2397, undef2666, undef2701, undef2703, undef2707, undef2718, undef2769, undef2770, undef2771, undef2772, undef2773, undef2774, undef2784, undef2836, undef2837, undef2838, undef2959, undef2969, undef3022, undef3023, undef3024, undef3029, undef3064, undef3086, undef3087, undef3088, undef3089, undef3101, 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 + undef1553)}> (0 + undef2969)}> (0 + undef2718)}> (~(1) + k4^0)}> (~(1) + k4^0)}> (~(1) + k4^0)}> (~(1) + k4^0)}> (~(1) + k5^0)}> Fresh variables: undef266, undef447, undef672, undef690, undef733, undef795, undef796, undef797, undef866, undef920, undef921, undef922, undef1122, undef1228, undef1229, undef1230, undef1428, undef1488, undef1553, undef1597, undef1598, undef1599, undef1600, undef1601, undef1602, undef1923, undef2030, undef2031, undef2032, undef2215, undef2289, undef2335, undef2338, undef2339, undef2340, undef2397, undef2666, undef2701, undef2703, undef2707, undef2718, undef2769, undef2770, undef2771, undef2772, undef2773, undef2774, undef2784, undef2836, undef2837, undef2838, undef2959, undef2969, undef3022, undef3023, undef3024, undef3029, undef3064, undef3086, undef3087, undef3088, undef3089, undef3101, Undef variables: undef266, undef447, undef672, undef690, undef733, undef795, undef796, undef797, undef866, undef920, undef921, undef922, undef1122, undef1228, undef1229, undef1230, undef1428, undef1488, undef1553, undef1597, undef1598, undef1599, undef1600, undef1601, undef1602, undef1923, undef2030, undef2031, undef2032, undef2215, undef2289, undef2335, undef2338, undef2339, undef2340, undef2397, undef2666, undef2701, undef2703, undef2707, undef2718, undef2769, undef2770, undef2771, undef2772, undef2773, undef2774, undef2784, undef2836, undef2837, undef2838, undef2959, undef2969, undef3022, undef3023, undef3024, undef3029, undef3064, undef3086, undef3087, undef3088, undef3089, undef3101, 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 undef1553, rest remain the same}> Graph 3 Graph 4 undef2969, rest remain the same}> Graph 5 undef2718, 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: 0.008921 Checking conditional termination of SCC {l8}... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.004562s Ranking function: -1 + k1^0 New Graphs: Proving termination of subgraph 2 Checking unfeasibility... Time used: 0.039396 Checking conditional termination of SCC {l2}... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.015000s Ranking function: -1 + k2^0 New Graphs: Proving termination of subgraph 3 Checking unfeasibility... Time used: 0.001656 > 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: undef1553, 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: 0.002222s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.002397s Postcondition: 1 <= 0 LOG: CALL check - Post:1 <= 0 - Process 4 * Exit transition: * Postcondition : 1 <= 0 LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.002286s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.002450s 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: undef1553, rest remain the same}> POST: 1 <= 0 LOG: Try proving POST Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.023621s Time used: 0.023235 Improving Solution with cost 52 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 1.001613s Time used: 1.00136 LOG: SAT solveNonLinear - Elapsed time: 1.025233s Cost: 52; Total time: 1.0246 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: 0.010463s Remaining time after improvement: 0.994903 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: 0.002835s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.003011s Solving with 2 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.060093s Time used: 0.059448 Improving Solution with cost 52 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 1.060677s Time used: 1.06053 LOG: SAT solveNonLinear - Elapsed time: 1.120770s Cost: 52; Total time: 1.11998 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: 0.022897s Remaining time after improvement: 0.992701 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: 0.003647s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.003823s Solving with 3 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.175988s Time used: 0.175051 Improving Solution with cost 52 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.826599s Time used: 0.826374 LOG: SAT solveNonLinear - Elapsed time: 1.002587s Cost: 52; Total time: 1.00143 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: 0.013789s Remaining time after improvement: 0.991167 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: 0.003306s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.003487s LOG: Postcondition is not implied - no solution > Postcondition is not implied! LOG: RETURN check - Elapsed time: 3.269061s 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: undef1553, 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: 0.058727s Time used: 0.057985 Improving Solution with cost 51 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 1.002090s Time used: 1.00198 LOG: SAT solveNonLinear - Elapsed time: 1.060817s Cost: 51; Total time: 1.05997 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: 0.057141s Remaining time after improvement: 0.988067 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: undef1553, rest remain the same}> * Postcondition : k2^0 <= 0 Postcodition moved up: undef1553 <= 0 LOG: Try proving POST Postcondition: undef1553 <= 0 LOG: CALL check - Post:undef1553 <= 0 - Process 9 * Exit transition: * Postcondition : undef1553 <= 0 LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.002515s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.002685s Postcondition: undef1553 <= 0 LOG: CALL check - Post:undef1553 <= 0 - Process 10 * Exit transition: * Postcondition : undef1553 <= 0 LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.002565s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.002738s 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: undef1553, 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: 0.024203s Time used: 0.023843 Improving Solution with cost 52 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 1.001873s Time used: 1.00159 LOG: SAT solveNonLinear - Elapsed time: 1.026076s Cost: 52; Total time: 1.02543 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: 0.011328s Remaining time after improvement: 0.994095 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: 0.003517s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.003694s Solving with 2 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.063798s Time used: 0.063099 Improving Solution with cost 52 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 1.002264s Time used: 1.00214 LOG: SAT solveNonLinear - Elapsed time: 1.066063s Cost: 52; Total time: 1.06524 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: 0.024896s Remaining time after improvement: 0.991181 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: 0.003967s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.004149s Solving with 3 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.129834s Time used: 0.128712 Improving Solution with cost 52 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.872915s Time used: 0.872827 LOG: SAT solveNonLinear - Elapsed time: 1.002749s Cost: 52; Total time: 1.00154 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: 0.014889s Remaining time after improvement: 0.990293 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: 0.004292s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.004482s LOG: Postcondition is not implied - no solution > Postcondition is not implied! LOG: RETURN check - Elapsed time: 3.231128s Solving with 2 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.326521s Time used: 0.324956 Improving Solution with cost 51 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 1.003118s Time used: 1.00287 LOG: SAT solveNonLinear - Elapsed time: 1.329639s Cost: 51; Total time: 1.32783 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: 0.022568s Remaining time after improvement: 0.984553 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: undef1553, rest remain the same}> * Postcondition : 1 + k2^0 <= 0 Postcodition moved up: 1 + undef1553 <= 0 LOG: Try proving POST Postcondition: 1 + undef1553 <= 0 LOG: Postcondition is not implied - Post: 1 + undef1553 <= 0 - Already checked Already checked with failure Postcondition: 1 + undef1553 <= 0 LOG: Postcondition is not implied - Post: 1 + undef1553 <= 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: undef1553, 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: 0.025938s Time used: 0.025562 Improving Solution with cost 52 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 1.002727s Time used: 1.00261 LOG: SAT solveNonLinear - Elapsed time: 1.028665s Cost: 52; Total time: 1.02817 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: 0.012005s Remaining time after improvement: 0.993348 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: 0.003847s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.004054s Solving with 2 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.064233s Time used: 0.063519 Improving Solution with cost 52 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 1.002158s Time used: 1.00187 LOG: SAT solveNonLinear - Elapsed time: 1.066391s Cost: 52; Total time: 1.06539 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: 0.025561s Remaining time after improvement: 0.990776 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: 0.004212s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.004396s Solving with 3 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.143012s Time used: 0.141961 Improving Solution with cost 52 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.859936s Time used: 0.859836 LOG: SAT solveNonLinear - Elapsed time: 1.002948s Cost: 52; Total time: 1.0018 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: 0.016007s Remaining time after improvement: 0.989643 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: 0.004714s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.004912s LOG: Postcondition is not implied - no solution > Postcondition is not implied! LOG: RETURN check - Elapsed time: 3.237916s Solving with 3 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.509936s Time used: 0.507586 Improving Solution with cost 51 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.495032s Time used: 0.494978 LOG: SAT solveNonLinear - Elapsed time: 1.004968s Cost: 51; Total time: 1.00256 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: 0.032927s Remaining time after improvement: 0.978445 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: undef1553, rest remain the same}> * Postcondition : k2^0 <= 0 Postcodition moved up: undef1553 <= 0 LOG: Try proving POST Postcondition: undef1553 <= 0 LOG: Postcondition is not implied - Post: undef1553 <= 0 - Already checked Already checked with failure Postcondition: undef1553 <= 0 LOG: Postcondition is not implied - Post: undef1553 <= 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: undef1553, 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: 0.025983s Time used: 0.025614 Improving Solution with cost 52 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 1.003873s Time used: 1.00374 LOG: SAT solveNonLinear - Elapsed time: 1.029856s Cost: 52; Total time: 1.02936 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: 0.011899s Remaining time after improvement: 0.994053 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: 0.004036s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.004223s Solving with 2 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.067293s Time used: 0.066592 Improving Solution with cost 52 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 1.003007s Time used: 1.00276 LOG: SAT solveNonLinear - Elapsed time: 1.070301s Cost: 52; Total time: 1.06935 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: 0.026301s Remaining time after improvement: 0.990291 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: 0.005051s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.005243s Solving with 3 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.133798s Time used: 0.132759 Improving Solution with cost 52 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.869297s Time used: 0.869203 LOG: SAT solveNonLinear - Elapsed time: 1.003095s Cost: 52; Total time: 1.00196 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: 0.017108s Remaining time after improvement: 0.988506 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: 0.005524s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.005729s LOG: Postcondition is not implied - no solution > Postcondition is not implied! LOG: RETURN check - Elapsed time: 3.264258s LOG: Postcondition is not implied - no solution > Postcondition is not implied! LOG: RETURN check - Elapsed time: 16.637214s 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: undef796 = 0, undef795 = 1, undef797 = 1) --- Reachability graph --- > Graph without transitions. Calling reachability with... Transition: undef1553, rest remain the same}> Conditions: k2^0 <= 0, undef796 = 0, undef795 = 1, undef797 = 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. undef1553, rest remain the same}> (condsUp: undef1598 = 0, undef1601 = 0, undef1597 = 1, undef1599 = 1, undef1600 = 1, undef1602 = 1, undef1553 <= 0, undef796 = 0, undef795 = 1, undef797 = 1) --- Reachability graph --- > Graph without transitions. Calling reachability with... Transition: Conditions: k1^0 <= 0, undef1598 = 0, undef1601 = 0, undef1597 = 1, undef1599 = 1, undef1600 = 1, undef1602 = 1, undef1553 <= 0, undef796 = 0, undef795 = 1, undef797 = 1, Transition: Conditions: k1^0 <= 0, undef1598 = 0, undef1601 = 0, undef1597 = 1, undef1599 = 1, undef1600 = 1, undef1602 = 1, undef1553 <= 0, undef796 = 0, undef795 = 1, undef797 = 1, OPEN EXITS: > Conditions are reachable! Program does NOT terminate