NO Solver Timeout: 4 Global Timeout: 300 No parsing errors! Init Location: 0 Transitions: undef288}> undef484}> undef727, __rho_7_^0 -> undef747, k2^0 -> (~(1) + k2^0)}> (0 + Irql^0), keR^0 -> 0}> undef939, k3^0 -> (0 + undef939), keA^0 -> 0}> (0 + CromData^0)}> undef1214}> 0}> undef1546}> (0 + undef1611), __rho_3_^0 -> undef1611, k1^0 -> (~(1) + k1^0)}> undef1680, i___099^0 -> (0 + Irql^0), k2^0 -> (0 + undef1680), keA^0 -> 0, keR^0 -> 0}> undef1866, a4343^0 -> 0, a4545^0 -> 2, a4646^0 -> (0 + undef1866), k5^0 -> (~(1) + k5^0), prevCancel^0 -> (0 + undef1927), ret_IoSetCancelRoutine4444^0 -> undef1927}> (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 + undef2198), ret_t1394_SubmitIrpSynch3636^0 -> undef2198}> (0 + ResourceIrp^0)}> undef2280, k1^0 -> (0 + undef2280), keA^0 -> 0, ntStatus^0 -> (0 + undef2328), ret_IoSetDeviceInterfaceState44^0 -> undef2328}> 1, b2929^0 -> 0, pIrb^0 -> (0 + undef2394), ret_ExAllocatePool3030^0 -> undef2394}> (0 + undef2725), StackSize^0 -> undef2673, __rho_99_^0 -> undef2686, a2525^0 -> (0 + undef2673), b2626^0 -> 0, pIrb^0 -> undef2722, ret_IoAllocateIrp2727^0 -> undef2725}> undef2744, i___04040^0 -> (0 + Irql^0), k5^0 -> (0 + undef2744), keA^0 -> 0, keR^0 -> 0}> (0 + undef2815), __rho_12_^0 -> undef2815, 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 + undef3002), ret_t1394Diag_PnpStopDevice33^0 -> undef3002}> undef3015, i___02020^0 -> (0 + Irql^0), k4^0 -> (0 + undef3015), keR^0 -> 0}> undef3079, a1818^0 -> (0 + undef3079), i^0 -> undef3115, i___01717^0 -> (0 + Irql^0), k3^0 -> (~(1) + k3^0), keR^0 -> 0}> undef3157, keA^0 -> 0, keR^0 -> 0}> Fresh variables: undef288, undef484, undef727, undef747, undef793, undef860, undef861, undef862, undef939, undef995, undef996, undef997, undef1214, undef1328, undef1329, undef1330, undef1546, undef1611, undef1680, undef1727, undef1728, undef1729, undef1730, undef1731, undef1732, undef1866, undef1927, undef1931, undef1998, undef1999, undef2000, undef2198, undef2280, undef2328, undef2331, undef2332, undef2333, undef2394, undef2673, undef2686, undef2722, undef2725, undef2730, undef2744, undef2797, undef2798, undef2799, undef2800, undef2801, undef2802, undef2815, undef2869, undef2870, undef2871, undef3002, undef3015, undef3070, undef3071, undef3072, undef3079, undef3115, undef3139, undef3140, undef3141, undef3142, undef3157, Undef variables: undef288, undef484, undef727, undef747, undef793, undef860, undef861, undef862, undef939, undef995, undef996, undef997, undef1214, undef1328, undef1329, undef1330, undef1546, undef1611, undef1680, undef1727, undef1728, undef1729, undef1730, undef1731, undef1732, undef1866, undef1927, undef1931, undef1998, undef1999, undef2000, undef2198, undef2280, undef2328, undef2331, undef2332, undef2333, undef2394, undef2673, undef2686, undef2722, undef2725, undef2730, undef2744, undef2797, undef2798, undef2799, undef2800, undef2801, undef2802, undef2815, undef2869, undef2870, undef2871, undef3002, undef3015, undef3070, undef3071, undef3072, undef3079, undef3115, undef3139, undef3140, undef3141, undef3142, undef3157, 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 + undef1680)}> (0 + undef3015)}> (0 + undef2744)}> (~(1) + k4^0)}> (~(1) + k4^0)}> (~(1) + k4^0)}> (~(1) + k4^0)}> (~(1) + k5^0)}> Fresh variables: undef288, undef484, undef727, undef747, undef793, undef860, undef861, undef862, undef939, undef995, undef996, undef997, undef1214, undef1328, undef1329, undef1330, undef1546, undef1611, undef1680, undef1727, undef1728, undef1729, undef1730, undef1731, undef1732, undef1866, undef1927, undef1931, undef1998, undef1999, undef2000, undef2198, undef2280, undef2328, undef2331, undef2332, undef2333, undef2394, undef2673, undef2686, undef2722, undef2725, undef2730, undef2744, undef2797, undef2798, undef2799, undef2800, undef2801, undef2802, undef2815, undef2869, undef2870, undef2871, undef3002, undef3015, undef3070, undef3071, undef3072, undef3079, undef3115, undef3139, undef3140, undef3141, undef3142, undef3157, Undef variables: undef288, undef484, undef727, undef747, undef793, undef860, undef861, undef862, undef939, undef995, undef996, undef997, undef1214, undef1328, undef1329, undef1330, undef1546, undef1611, undef1680, undef1727, undef1728, undef1729, undef1730, undef1731, undef1732, undef1866, undef1927, undef1931, undef1998, undef1999, undef2000, undef2198, undef2280, undef2328, undef2331, undef2332, undef2333, undef2394, undef2673, undef2686, undef2722, undef2725, undef2730, undef2744, undef2797, undef2798, undef2799, undef2800, undef2801, undef2802, undef2815, undef2869, undef2870, undef2871, undef3002, undef3015, undef3070, undef3071, undef3072, undef3079, undef3115, undef3139, undef3140, undef3141, undef3142, undef3157, 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 undef1680, rest remain the same}> Graph 3 Graph 4 undef3015, rest remain the same}> Graph 5 undef2744, rest remain the same}> Graph 6 Map Locations to Subgraph: ( 0 , 0 ) ( 2 , 2 ) ( 8 , 1 ) ( 11 , 3 ) ( 16 , 4 ) ( 20 , 5 ) ( 24 , 6 ) ******************************************************************************************* ******************************** CHECKING ASSERTIONS ******************************** ******************************************************************************************* Proving termination of subgraph 0 Proving termination of subgraph 1 Checking unfeasibility... Time used: 0.004194 Checking conditional termination of SCC {l8}... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.002143s Ranking function: -1 + k1^0 New Graphs: Proving termination of subgraph 2 Checking unfeasibility... Time used: 0.016417 Checking conditional termination of SCC {l2}... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.006668s Ranking function: -1 + k2^0 New Graphs: Proving termination of subgraph 3 Checking unfeasibility... Time used: 0.0008 > 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: undef1680, 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: 0.001002s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.001078s Postcondition: 1 <= 0 LOG: CALL check - Post:1 <= 0 - Process 4 * Exit transition: * Postcondition : 1 <= 0 LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.001028s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.001103s 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: undef1680, rest remain the same}> POST: 1 <= 0 LOG: Try proving POST Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.010402s Time used: 0.010211 Improving Solution with cost 52 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 1.012819s Time used: 1.0128 LOG: SAT solveNonLinear - Elapsed time: 1.023221s Cost: 52; Total time: 1.02301 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: 0.006858s Remaining time after improvement: 0.997576 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: 0.001434s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.001513s Solving with 2 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.026011s Time used: 0.025689 Improving Solution with cost 52 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 1.000684s Time used: 1.00067 LOG: SAT solveNonLinear - Elapsed time: 1.026694s Cost: 52; Total time: 1.02636 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: 0.012670s Remaining time after improvement: 0.996176 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: 0.001804s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.001882s Solving with 3 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.073625s Time used: 0.073111 Improving Solution with cost 52 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.927527s Time used: 0.927519 LOG: SAT solveNonLinear - Elapsed time: 1.001152s Cost: 52; Total time: 1.00063 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: 0.007379s Remaining time after improvement: 0.995388 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: 0.001898s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.001978s LOG: Postcondition is not implied - no solution > Postcondition is not implied! LOG: RETURN check - Elapsed time: 3.112602s 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: undef1680, 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: 0.024865s Time used: 0.024503 Improving Solution with cost 51 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 1.017752s Time used: 1.01774 LOG: SAT solveNonLinear - Elapsed time: 1.042616s Cost: 51; Total time: 1.04224 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: 0.019676s Remaining time after improvement: 0.994401 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: undef1680, rest remain the same}> * Postcondition : k2^0 <= 0 Postcodition moved up: undef1680 <= 0 LOG: Try proving POST Postcondition: undef1680 <= 0 LOG: CALL check - Post:undef1680 <= 0 - Process 9 * Exit transition: * Postcondition : undef1680 <= 0 LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.001164s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.001237s Postcondition: undef1680 <= 0 LOG: CALL check - Post:undef1680 <= 0 - Process 10 * Exit transition: * Postcondition : undef1680 <= 0 LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.001200s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.001277s 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: undef1680, 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: 0.010629s Time used: 0.010447 Improving Solution with cost 52 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 1.001231s Time used: 1.00122 LOG: SAT solveNonLinear - Elapsed time: 1.011860s Cost: 52; Total time: 1.01167 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: 0.007105s Remaining time after improvement: 0.996763 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: 0.002103s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.002193s Solving with 2 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.027958s Time used: 0.027596 Improving Solution with cost 52 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 1.001071s Time used: 1.00106 LOG: SAT solveNonLinear - Elapsed time: 1.029029s Cost: 52; Total time: 1.02866 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: 0.013721s Remaining time after improvement: 0.995177 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: 0.002280s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.002360s Solving with 3 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.056848s Time used: 0.056314 Improving Solution with cost 52 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.944692s Time used: 0.944684 LOG: SAT solveNonLinear - Elapsed time: 1.001540s Cost: 52; Total time: 1.001 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: 0.008312s Remaining time after improvement: 0.995074 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: 0.002303s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.002385s LOG: Postcondition is not implied - no solution > Postcondition is not implied! LOG: RETURN check - Elapsed time: 3.113104s Solving with 2 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.129660s Time used: 0.128813 Improving Solution with cost 51 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 1.001420s Time used: 1.00141 LOG: SAT solveNonLinear - Elapsed time: 1.131080s Cost: 51; Total time: 1.13022 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: 0.012651s Remaining time after improvement: 0.992016 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: undef1680, rest remain the same}> * Postcondition : 1 + k2^0 <= 0 Postcodition moved up: 1 + undef1680 <= 0 LOG: Try proving POST Postcondition: 1 + undef1680 <= 0 LOG: Postcondition is not implied - Post: 1 + undef1680 <= 0 - Already checked Already checked with failure Postcondition: 1 + undef1680 <= 0 LOG: Postcondition is not implied - Post: 1 + undef1680 <= 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: undef1680, 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: 0.011740s Time used: 0.011545 Improving Solution with cost 52 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 1.002087s Time used: 1.00208 LOG: SAT solveNonLinear - Elapsed time: 1.013827s Cost: 52; Total time: 1.01362 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: 0.007026s Remaining time after improvement: 0.996671 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: 0.002190s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.002274s Solving with 2 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.028636s Time used: 0.028273 Improving Solution with cost 52 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 1.001432s Time used: 1.00142 LOG: SAT solveNonLinear - Elapsed time: 1.030068s 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: 0.013984s Remaining time after improvement: 0.994949 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: 0.002626s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.002706s Solving with 3 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.061885s Time used: 0.06128 Improving Solution with cost 52 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.939816s Time used: 0.939808 LOG: SAT solveNonLinear - Elapsed time: 1.001701s Cost: 52; Total time: 1.00109 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: 0.008863s Remaining time after improvement: 0.994409 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: 0.002734s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.002818s LOG: Postcondition is not implied - no solution > Postcondition is not implied! LOG: RETURN check - Elapsed time: 3.118690s Solving with 3 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.218182s Time used: 0.21699 Improving Solution with cost 51 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.784243s Time used: 0.784235 LOG: SAT solveNonLinear - Elapsed time: 1.002425s Cost: 51; Total time: 1.00123 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: 0.019240s Remaining time after improvement: 0.989864 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: undef1680, rest remain the same}> * Postcondition : k2^0 <= 0 Postcodition moved up: undef1680 <= 0 LOG: Try proving POST Postcondition: undef1680 <= 0 LOG: Postcondition is not implied - Post: undef1680 <= 0 - Already checked Already checked with failure Postcondition: undef1680 <= 0 LOG: Postcondition is not implied - Post: undef1680 <= 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: undef1680, 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: 0.011853s Time used: 0.011661 Improving Solution with cost 52 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 1.002988s Time used: 1.00298 LOG: SAT solveNonLinear - Elapsed time: 1.014841s Cost: 52; Total time: 1.01464 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: 0.007180s Remaining time after improvement: 0.996848 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: 0.001949s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.002029s Solving with 2 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.029985s Time used: 0.02962 Improving Solution with cost 52 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 1.002309s Time used: 1.0023 LOG: SAT solveNonLinear - Elapsed time: 1.032294s Cost: 52; Total time: 1.03192 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: 0.014415s Remaining time after improvement: 0.994633 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: 0.002706s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.002791s Solving with 3 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.058858s Time used: 0.058287 Improving Solution with cost 52 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.942971s Time used: 0.942956 LOG: SAT solveNonLinear - Elapsed time: 1.001829s Cost: 52; Total time: 1.00124 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: 0.009534s Remaining time after improvement: 0.994311 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: 0.003262s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.003346s LOG: Postcondition is not implied - no solution > Postcondition is not implied! LOG: RETURN check - Elapsed time: 3.127946s LOG: Postcondition is not implied - no solution > Postcondition is not implied! LOG: RETURN check - Elapsed time: 15.757060s 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: undef861 = 0, undef860 = 1, undef862 = 1) --- Reachability graph --- > Graph without transitions. Calling reachability with... Transition: undef1680, rest remain the same}> Conditions: k2^0 <= 0, undef861 = 0, undef860 = 1, undef862 = 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. undef1680, rest remain the same}> (condsUp: undef1728 = 0, undef1731 = 0, undef1727 = 1, undef1729 = 1, undef1730 = 1, undef1732 = 1, undef1680 <= 0, undef861 = 0, undef860 = 1, undef862 = 1) --- Reachability graph --- > Graph without transitions. Calling reachability with... Transition: Conditions: k1^0 <= 0, undef1728 = 0, undef1731 = 0, undef1727 = 1, undef1729 = 1, undef1730 = 1, undef1732 = 1, undef1680 <= 0, undef861 = 0, undef860 = 1, undef862 = 1, Transition: Conditions: k1^0 <= 0, undef1728 = 0, undef1731 = 0, undef1727 = 1, undef1729 = 1, undef1730 = 1, undef1732 = 1, undef1680 <= 0, undef861 = 0, undef860 = 1, undef862 = 1, OPEN EXITS: > Conditions are reachable! Program does NOT terminate