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: 0.008934 Checking conditional termination of SCC {l8}... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.004569s Ranking function: -1 + k1^0 New Graphs: Proving termination of subgraph 2 Checking unfeasibility... Time used: 0.039554 Checking conditional termination of SCC {l2}... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.014811s Ranking function: -1 + k2^0 New Graphs: Proving termination of subgraph 3 Checking unfeasibility... Time used: 0.001667 > 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: 0.002230s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.002405s Postcondition: 1 <= 0 LOG: CALL check - Post:1 <= 0 - Process 4 * Exit transition: * Postcondition : 1 <= 0 LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.002292s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.002458s 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: 0.023780s Time used: 0.023402 Improving Solution with cost 52 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 1.001302s Time used: 1.00127 LOG: SAT solveNonLinear - Elapsed time: 1.025082s Cost: 52; Total time: 1.02467 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: 0.010508s Remaining time after improvement: 0.995047 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: 0.002842s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.003016s Solving with 2 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.060401s Time used: 0.059772 Improving Solution with cost 52 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 1.001515s Time used: 1.00146 LOG: SAT solveNonLinear - Elapsed time: 1.061917s Cost: 52; Total time: 1.06124 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: 0.022375s Remaining time after improvement: 0.992729 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: 0.003632s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.003807s Solving with 3 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.177416s Time used: 0.176359 Improving Solution with cost 52 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.825128s Time used: 0.825109 LOG: SAT solveNonLinear - Elapsed time: 1.002543s Cost: 52; Total time: 1.00147 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: 0.013731s Remaining time after improvement: 0.991265 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: 0.003265s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.003444s LOG: Postcondition is not implied - no solution > Postcondition is not implied! LOG: RETURN check - Elapsed time: 3.290385s 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: 0.058276s Time used: 0.057549 Improving Solution with cost 51 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 1.001489s Time used: 1.00133 LOG: SAT solveNonLinear - Elapsed time: 1.059766s Cost: 51; Total time: 1.05888 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: 0.032550s Remaining time after improvement: 0.988195 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: 0.002655s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.002856s Postcondition: undef1553 <= 0 LOG: CALL check - Post:undef1553 <= 0 - Process 10 * Exit transition: * Postcondition : undef1553 <= 0 LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.002758s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.002937s 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: 0.026134s Time used: 0.025755 Improving Solution with cost 52 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 1.009368s Time used: 1.00935 LOG: SAT solveNonLinear - Elapsed time: 1.035502s Cost: 52; Total time: 1.0351 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: 0.011243s Remaining time after improvement: 0.994798 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: 0.003488s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.003666s Solving with 2 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.063927s Time used: 0.063234 Improving Solution with cost 52 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 1.002183s Time used: 1.002 LOG: SAT solveNonLinear - Elapsed time: 1.066109s Cost: 52; Total time: 1.06523 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: 0.024755s Remaining time after improvement: 0.991205 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: 0.003918s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.004100s Solving with 3 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.130686s Time used: 0.129732 Improving Solution with cost 52 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.872380s Time used: 0.872361 LOG: SAT solveNonLinear - Elapsed time: 1.003066s Cost: 52; Total time: 1.00209 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: 0.015015s Remaining time after improvement: 0.990269 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: 0.004252s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.004442s LOG: Postcondition is not implied - no solution > Postcondition is not implied! LOG: RETURN check - Elapsed time: 3.245389s Solving with 2 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.327024s Time used: 0.325518 Improving Solution with cost 51 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 1.002122s Time used: 1.00196 LOG: SAT solveNonLinear - Elapsed time: 1.329145s Cost: 51; Total time: 1.32748 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: 0.021456s Remaining time after improvement: 0.984939 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: 0.028648s Time used: 0.028266 Improving Solution with cost 52 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 1.002542s Time used: 1.00251 LOG: SAT solveNonLinear - Elapsed time: 1.031190s Cost: 52; Total time: 1.03078 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: 0.011789s Remaining time after improvement: 0.993537 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: 0.003817s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.004018s Solving with 2 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.064077s Time used: 0.063368 Improving Solution with cost 52 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 1.002069s Time used: 1.00191 LOG: SAT solveNonLinear - Elapsed time: 1.066146s Cost: 52; Total time: 1.06527 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: 0.025469s Remaining time after improvement: 0.990792 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: 0.004179s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.004372s Solving with 3 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.142917s Time used: 0.141856 Improving Solution with cost 52 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.860032s Time used: 0.860008 LOG: SAT solveNonLinear - Elapsed time: 1.002949s Cost: 52; Total time: 1.00186 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: 0.016092s Remaining time after improvement: 0.990087 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: 0.004729s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.004925s LOG: Postcondition is not implied - no solution > Postcondition is not implied! LOG: RETURN check - Elapsed time: 3.255819s Solving with 3 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.513726s Time used: 0.511589 Improving Solution with cost 51 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.490992s Time used: 0.490978 LOG: SAT solveNonLinear - Elapsed time: 1.004718s Cost: 51; Total time: 1.00257 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: 0.032952s Remaining time after improvement: 0.978444 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: 0.026017s Time used: 0.025651 Improving Solution with cost 52 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 1.004071s Time used: 1.00389 LOG: SAT solveNonLinear - Elapsed time: 1.030088s Cost: 52; Total time: 1.02955 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: 0.011915s Remaining time after improvement: 0.994081 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: 0.003977s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.004163s Solving with 2 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.067409s Time used: 0.066708 Improving Solution with cost 52 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 1.002680s Time used: 1.00264 LOG: SAT solveNonLinear - Elapsed time: 1.070089s Cost: 52; Total time: 1.06934 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: 0.026265s Remaining time after improvement: 0.990325 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: 0.005028s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.005233s Solving with 3 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.133720s Time used: 0.132695 Improving Solution with cost 52 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.869416s Time used: 0.869258 LOG: SAT solveNonLinear - Elapsed time: 1.003135s Cost: 52; Total time: 1.00195 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: 0.017214s Remaining time after improvement: 0.988815 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: 0.005589s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.005799s LOG: Postcondition is not implied - no solution > Postcondition is not implied! LOG: RETURN check - Elapsed time: 3.253412s LOG: Postcondition is not implied - no solution > Postcondition is not implied! LOG: RETURN check - Elapsed time: 16.646134s 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