NO Solver Timeout: 4 Global Timeout: 60 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: 0.009032 Checking conditional termination of SCC {l8}... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.004503s Ranking function: -1 + k1^0 New Graphs: Proving termination of subgraph 2 Checking unfeasibility... Time used: 0.039261 Checking conditional termination of SCC {l2}... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.015026s Ranking function: -1 + k2^0 New Graphs: Proving termination of subgraph 3 Checking unfeasibility... Time used: 0.001662 > 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: 0.002244s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.002421s Postcondition: 1 <= 0 LOG: CALL check - Post:1 <= 0 - Process 4 * Exit transition: * Postcondition : 1 <= 0 LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.002314s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.002481s 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: 0.023625s Time used: 0.023247 Improving Solution with cost 52 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 1.001537s Time used: 1.00132 LOG: SAT solveNonLinear - Elapsed time: 1.025162s Cost: 52; Total time: 1.02457 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: 0.010448s Remaining time after improvement: 0.994912 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: 0.002862s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.003036s Solving with 2 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.060100s Time used: 0.05946 Improving Solution with cost 52 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 1.001714s Time used: 1.00154 LOG: SAT solveNonLinear - Elapsed time: 1.061814s Cost: 52; Total time: 1.061 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: 0.022410s Remaining time after improvement: 0.992698 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: 0.003707s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.003885s Solving with 3 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.177084s Time used: 0.175985 Improving Solution with cost 52 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.825541s Time used: 0.825516 LOG: SAT solveNonLinear - Elapsed time: 1.002625s Cost: 52; Total time: 1.0015 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: 0.013736s Remaining time after improvement: 0.991252 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: 0.003660s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.003845s LOG: Postcondition is not implied - no solution > Postcondition is not implied! LOG: RETURN check - Elapsed time: 3.210059s 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: 0.058405s Time used: 0.057669 Improving Solution with cost 51 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 1.001492s Time used: 1.00131 LOG: SAT solveNonLinear - Elapsed time: 1.059897s Cost: 51; Total time: 1.05898 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: 0.051950s Remaining time after improvement: 0.987249 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: 0.002532s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.002700s Postcondition: undef1680 <= 0 LOG: CALL check - Post:undef1680 <= 0 - Process 10 * Exit transition: * Postcondition : undef1680 <= 0 LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.002584s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.002755s 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: 0.024678s Time used: 0.024298 Improving Solution with cost 52 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 1.005768s Time used: 1.00574 LOG: SAT solveNonLinear - Elapsed time: 1.030446s Cost: 52; Total time: 1.03004 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: 0.011287s Remaining time after improvement: 0.994133 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: 0.003552s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.003748s Solving with 2 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.064040s Time used: 0.06334 Improving Solution with cost 52 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 1.001848s Time used: 1.00167 LOG: SAT solveNonLinear - Elapsed time: 1.065888s Cost: 52; Total time: 1.06501 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: 0.024889s Remaining time after improvement: 0.991125 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: 0.003970s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.004151s Solving with 3 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.129901s Time used: 0.128944 Improving Solution with cost 52 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.872676s Time used: 0.872653 LOG: SAT solveNonLinear - Elapsed time: 1.002577s Cost: 52; Total time: 1.0016 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: 0.014990s Remaining time after improvement: 0.990292 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: 0.003896s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.004083s LOG: Postcondition is not implied - no solution > Postcondition is not implied! LOG: RETURN check - Elapsed time: 3.235823s Solving with 2 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.326104s Time used: 0.324581 Improving Solution with cost 51 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 1.002077s Time used: 1.00188 LOG: SAT solveNonLinear - Elapsed time: 1.328180s Cost: 51; Total time: 1.32647 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: 0.029008s Remaining time after improvement: 0.978211 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: 0.026353s Time used: 0.025975 Improving Solution with cost 52 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 1.002666s Time used: 1.00264 LOG: SAT solveNonLinear - Elapsed time: 1.029020s Cost: 52; Total time: 1.02862 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: 0.011887s Remaining time after improvement: 0.993479 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: 0.003872s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.004055s Solving with 2 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.064390s Time used: 0.063528 Improving Solution with cost 52 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 1.001924s Time used: 1.0019 LOG: SAT solveNonLinear - Elapsed time: 1.066315s Cost: 52; Total time: 1.06543 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: 0.025515s Remaining time after improvement: 0.991839 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: 0.004219s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.004403s Solving with 3 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.143287s Time used: 0.142249 Improving Solution with cost 52 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.859671s Time used: 0.859487 LOG: SAT solveNonLinear - Elapsed time: 1.002958s Cost: 52; Total time: 1.00174 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: 0.015967s Remaining time after improvement: 0.989626 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: 0.004784s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.004976s LOG: Postcondition is not implied - no solution > Postcondition is not implied! LOG: RETURN check - Elapsed time: 3.239001s Solving with 3 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.508144s Time used: 0.505984 Improving Solution with cost 51 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.497119s Time used: 0.497103 LOG: SAT solveNonLinear - Elapsed time: 1.005262s Cost: 51; Total time: 1.00309 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: 0.032963s Remaining time after improvement: 0.978421 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: 0.026002s Time used: 0.025622 Improving Solution with cost 52 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 1.004271s Time used: 1.00406 LOG: SAT solveNonLinear - Elapsed time: 1.030273s Cost: 52; Total time: 1.02968 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: 0.011757s Remaining time after improvement: 0.994101 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: 0.003994s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.004173s Solving with 2 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.067358s Time used: 0.066662 Improving Solution with cost 52 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 1.002634s Time used: 1.00261 LOG: SAT solveNonLinear - Elapsed time: 1.069992s Cost: 52; Total time: 1.06927 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: 0.026373s Remaining time after improvement: 0.99021 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: 0.005114s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.005314s Solving with 3 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.134322s Time used: 0.133282 Improving Solution with cost 52 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.868955s Time used: 0.868763 LOG: SAT solveNonLinear - Elapsed time: 1.003276s Cost: 52; Total time: 1.00204 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: 0.017128s Remaining time after improvement: 0.988999 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: 0.005560s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.005761s LOG: Postcondition is not implied - no solution > Postcondition is not implied! LOG: RETURN check - Elapsed time: 3.266022s LOG: Postcondition is not implied - no solution > Postcondition is not implied! LOG: RETURN check - Elapsed time: 16.579524s 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