NO Solver Timeout: 4 Global Timeout: 60 No parsing errors! Init Location: 0 Transitions: undef1, lt_32^0 -> undef22, lt_34^0 -> undef23, x_19^0 -> (0 + undef38), y_20^0 -> (0 + w_17^0)}> undef41}> undef103, y_20^0 -> (0 + undef103)}> undef116}> undef177, y_20^0 -> (0 + undef177)}> (~(1) + k_243^0)}> undef228}> undef268, __patmp2^0 -> undef269, k_243^0 -> (0 + undef269), len_263^0 -> (0 + undef268), lt_24^0 -> undef278, lt_25^0 -> undef279, x_13^0 -> (0 + undef298)}> (0 + undef338), __cil_tmp5_10^0 -> undef338, k_139^0 -> undef347, k_187^0 -> undef348, k_208^0 -> (0 + undef348), len_99^0 -> undef353, lt_34^0 -> undef359, lt_35^0 -> undef360, lt_36^0 -> undef361, lt_37^0 -> undef362, lt_38^0 -> undef363, tmp_9^0 -> undef365, x_13^0 -> (0 + a_11^0), x_22^0 -> undef369, x_8^0 -> undef370, y_23^0 -> 0}> undef395}> undef434, __patmp2^0 -> undef435, k_243^0 -> (0 + undef435), len_263^0 -> (0 + undef434), lt_26^0 -> undef446, lt_27^0 -> undef447, x_13^0 -> (0 + undef464)}> undef472}> undef530, y_20^0 -> (0 + undef530)}> Fresh variables: undef1, undef22, undef23, undef38, undef41, undef103, undef116, undef177, undef228, undef268, undef269, undef278, undef279, undef298, undef299, undef338, undef347, undef348, undef353, undef359, undef360, undef361, undef362, undef363, undef365, undef369, undef370, undef374, undef375, undef376, undef377, undef378, undef379, undef380, undef381, undef382, undef383, undef384, undef385, undef386, undef387, undef388, undef389, undef395, undef434, undef435, undef446, undef447, undef464, undef465, undef472, undef530, Undef variables: undef1, undef22, undef23, undef38, undef41, undef103, undef116, undef177, undef228, undef268, undef269, undef278, undef279, undef298, undef299, undef338, undef347, undef348, undef353, undef359, undef360, undef361, undef362, undef363, undef365, undef369, undef370, undef374, undef375, undef376, undef377, undef378, undef379, undef380, undef381, undef382, undef383, undef384, undef385, undef386, undef387, undef388, undef389, undef395, undef434, undef435, undef446, undef447, undef464, undef465, undef472, undef530, Abstraction variables: Exit nodes: Accepting locations: Asserts: Preprocessed LLVMGraph Init Location: 0 Transitions: undef395}> undef41, __disjvr_1^0 -> undef116, x_19^0 -> (0 + undef38)}> undef228, k_243^0 -> (0 + undef269), len_263^0 -> (0 + undef268), x_13^0 -> (0 + undef298)}> undef472}> Fresh variables: undef1, undef22, undef23, undef38, undef41, undef103, undef116, undef177, undef228, undef268, undef269, undef278, undef279, undef298, undef299, undef338, undef347, undef348, undef353, undef359, undef360, undef361, undef362, undef363, undef365, undef369, undef370, undef374, undef375, undef376, undef377, undef378, undef379, undef380, undef381, undef382, undef383, undef384, undef385, undef386, undef387, undef388, undef389, undef395, undef434, undef435, undef446, undef447, undef464, undef465, undef472, undef530, Undef variables: undef1, undef22, undef23, undef38, undef41, undef103, undef116, undef177, undef228, undef268, undef269, undef278, undef279, undef298, undef299, undef338, undef347, undef348, undef353, undef359, undef360, undef361, undef362, undef363, undef365, undef369, undef370, undef374, undef375, undef376, undef377, undef378, undef379, undef380, undef381, undef382, undef383, undef384, undef385, undef386, undef387, undef388, undef389, undef395, undef434, undef435, undef446, undef447, undef464, undef465, undef472, undef530, Abstraction variables: Exit nodes: Accepting locations: Asserts: ************************************************************* ******************************************************************************************* *********************** WORKING TRANSITION SYSTEM (DAG) *********************** ******************************************************************************************* Init Location: 0 Graph 0: Transitions: Variables: Graph 1: Transitions: undef228, k_243^0 -> undef269, len_263^0 -> undef268, x_13^0 -> undef298, rest remain the same}> Variables: __disjvr_2^0, k_243^0, len_263^0, x_13^0 Graph 2: Transitions: undef472, rest remain the same}> Variables: __disjvr_4^0, x_19^0 Precedence: Graph 0 Graph 1 undef395, rest remain the same}> Graph 2 undef41, __disjvr_1^0 -> undef116, x_19^0 -> undef38, rest remain the same}> Map Locations to Subgraph: ( 0 , 0 ) ( 1 , 1 ) ( 6 , 2 ) ******************************************************************************************* ******************************** CHECKING ASSERTIONS ******************************** ******************************************************************************************* Proving termination of subgraph 0 Proving termination of subgraph 1 Checking unfeasibility... Time used: 0.004714 Checking conditional termination of SCC {l1}... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.001481s Ranking function: -1 + k_243^0 New Graphs: Proving termination of subgraph 2 Checking unfeasibility... Time used: 0.002173 Checking conditional termination of SCC {l6}... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.000548s LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.001671s Trying to remove transition: undef472, rest remain the same}> Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.004152s Time used: 0.003986 Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.007485s Time used: 0.007214 Solving with 2 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.001477s Time used: 4.001 Solving with 3 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 1.005453s Time used: 1.00056 Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.009127s Time used: 0.00599 Termination failed. Trying to show unreachability... Proving unreachability of entry: undef41, __disjvr_1^0 -> undef116, x_19^0 -> undef38, rest remain the same}> LOG: CALL check - Post:1 <= 0 - Process 1 * Exit transition: undef41, __disjvr_1^0 -> undef116, x_19^0 -> undef38, 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 2 * Exit transition: undef395, rest remain the same}> * Postcondition : 1 <= 0 LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.002587s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.002906s LOG: NarrowEntry size 1 Narrowing transition: undef228, k_243^0 -> undef269, len_263^0 -> undef268, x_13^0 -> undef298, rest remain the same}> LOG: Narrow transition size 1 ENTRIES: undef395, rest remain the same}> END ENTRIES: GRAPH: undef228, k_243^0 -> undef269, len_263^0 -> undef268, x_13^0 -> undef298, rest remain the same}> END GRAPH: EXIT: undef41, __disjvr_1^0 -> undef116, x_19^0 -> undef38, rest remain the same}> POST: 1 <= 0 LOG: Try proving POST Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.022372s Time used: 0.02226 Solving with 2 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.001223s Time used: 4.00017 Solving with 3 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 1.007915s Time used: 1.00008 LOG: Postcondition is not implied - no solution > Postcondition is not implied! LOG: RETURN check - Elapsed time: 5.058214s Cannot prove unreachability Proving non-termination of subgraph 2 Transitions: undef472, rest remain the same}> Variables: __disjvr_4^0, x_19^0 Checking conditional non-termination of SCC {l6}... > No exit transition to close. Checking that every undef value has an assignment... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.003021s Calling reachability with... Transition: Conditions: OPEN EXITS: --- Reachability graph --- > Graph without transitions. Calling reachability with... Transition: undef41, __disjvr_1^0 -> undef116, x_19^0 -> undef38, rest remain the same}> Conditions: OPEN EXITS: undef41, __disjvr_1^0 -> undef116, x_19^0 -> undef38, rest remain the same}> (condsUp: __disjvr_0^0 = undef41, __disjvr_1^0 = undef116, undef38 = undef103, undef38 = undef177) --- Reachability graph --- > Graph without transitions. Calling reachability with... Transition: undef395, rest remain the same}> Conditions: 0 <= len_263^0, 1 <= k_243^0, x_13^0 = y_12^0, __disjvr_0^0 = undef41, __disjvr_1^0 = undef116, undef38 = undef103, undef38 = undef177, OPEN EXITS: undef395, rest remain the same}> > Conditions are reachable! Program does NOT terminate