/export/starexec/sandbox2/solver/bin/starexec_run_termcomp17 /export/starexec/sandbox2/benchmark/theBenchmark.smt2 /export/starexec/sandbox2/output/output_files -------------------------------------------------------------------------------- NO Solver Timeout: 4 Global Timeout: 300 Maximum number of concurrent processes: 900 No parsing errors! Init Location: 0 Transitions: 0, y^0 -> 0}> (1 + x^0), y^0 -> (1 + y^0)}> Fresh variables: Undef variables: Abstraction variables: Exit nodes: Accepting locations: Asserts: Preprocessed LLVMGraph Init Location: 0 Transitions: (1 + x^0), y^0 -> (1 + y^0)}> Fresh variables: Undef variables: Abstraction variables: Exit nodes: Accepting locations: Asserts: ************************************************************* ******************************************************************************************* *********************** WORKING TRANSITION SYSTEM (DAG) *********************** ******************************************************************************************* Init Location: 0 Graph 0: Transitions: Variables: Graph 1: Transitions: 1 + x^0, y^0 -> 1 + y^0, rest remain the same}> Variables: x^0, y^0 Graph 2: Transitions: Variables: Precedence: Graph 0 Graph 1 Graph 2 Map Locations to Subgraph: ( 0 , 0 ) ( 2 , 1 ) ( 3 , 2 ) ******************************************************************************************* ******************************** CHECKING ASSERTIONS ******************************** ******************************************************************************************* Proving termination of subgraph 0 Proving termination of subgraph 1 Checking unfeasibility... Time used: 0.001785 Checking conditional termination of SCC {l2}... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.000374s LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.000981s [13804 : 13805] [13804 : 13806] Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.006963s Time used: 0.006683 Improving Solution with cost 1 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 1.000427s Time used: 1.00041 LOG: SAT solveNonLinear - Elapsed time: 1.007390s Cost: 1; Total time: 1.00709 Quasi-ranking function: 50000 - x^0 New Graphs: Transitions: 1 + x^0, y^0 -> 1 + y^0, rest remain the same}> Variables: x^0, y^0 Checking conditional termination of SCC {l2}... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.000458s LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.001468s [13804 : 14003] [13804 : 14004] Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.012300s Time used: 0.01186 Improving Solution with cost 1 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 1.001186s Time used: 1.001 LOG: SAT solveNonLinear - Elapsed time: 1.013486s Cost: 1; Total time: 1.01286 Termination implied by a set of invariant(s): Invariant at l2: 0 <= y^0 [ Invariant Graph ] Strengthening and disabling transitions... LOG: CALL solverLinear in Graph for feasibility LOG: RETURN solveLinear in Graph for feasibility Strengthening transition (result): 1 + x^0, y^0 -> 1 + y^0, rest remain the same}> [ Termination Graph ] Strengthening and disabling transitions... LOG: CALL solverLinear in Graph for feasibility LOG: RETURN solveLinear in Graph for feasibility Strengthening transition (result): 1 + x^0, y^0 -> 1 + y^0, rest remain the same}> Quasi-ranking function: 50000 - y^0 New Graphs: Transitions: 1 + x^0, y^0 -> 1 + y^0, rest remain the same}> Variables: x^0, y^0 Checking conditional termination of SCC {l2}... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.000541s LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.002321s [13804 : 14097] [13804 : 14098] Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.012790s Time used: 0.012276 Improving Solution with cost 1 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 1.000469s Time used: 1.00044 LOG: SAT solveNonLinear - Elapsed time: 1.013259s Cost: 1; Total time: 1.01272 Termination implied by a set of invariant(s): Invariant at l2: 0 <= 1 + x^0 [ Invariant Graph ] Strengthening and disabling transitions... LOG: CALL solverLinear in Graph for feasibility LOG: RETURN solveLinear in Graph for feasibility Strengthening transition (result): 1 + x^0, y^0 -> 1 + y^0, rest remain the same}> [ Termination Graph ] Strengthening and disabling transitions... LOG: CALL solverLinear in Graph for feasibility LOG: RETURN solveLinear in Graph for feasibility Strengthening transition (result): 1 + x^0, y^0 -> 1 + y^0, rest remain the same}> Quasi-ranking function: 50000 - 2*x^0 + y^0 New Graphs: Transitions: 1 + x^0, y^0 -> 1 + y^0, rest remain the same}> Variables: x^0, y^0 Checking conditional termination of SCC {l2}... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.000644s LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.002845s [13804 : 14191] [13804 : 14192] Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.011544s Time used: 0.010846 Improving Solution with cost 1 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 1.000449s Time used: 1.00043 LOG: SAT solveNonLinear - Elapsed time: 1.011993s Cost: 1; Total time: 1.01128 Termination implied by a set of invariant(s): Invariant at l2: 0 <= x^0 [ Invariant Graph ] Strengthening and disabling transitions... LOG: CALL solverLinear in Graph for feasibility LOG: RETURN solveLinear in Graph for feasibility Strengthening transition (result): 1 + x^0, y^0 -> 1 + y^0, rest remain the same}> [ Termination Graph ] Strengthening and disabling transitions... LOG: CALL solverLinear in Graph for feasibility LOG: RETURN solveLinear in Graph for feasibility Strengthening transition (result): 1 + x^0, y^0 -> 1 + y^0, rest remain the same}> Quasi-ranking function: 50000 + x^0 - 2*y^0 New Graphs: Transitions: 1 + x^0, y^0 -> 1 + y^0, rest remain the same}> Variables: x^0, y^0 Checking conditional termination of SCC {l2}... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.000728s LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.002874s [13804 : 14274] [13804 : 14275] Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.011131s Time used: 0.010354 Improving Solution with cost 1 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 1.000559s Time used: 1.00054 LOG: SAT solveNonLinear - Elapsed time: 1.011690s Cost: 1; Total time: 1.01089 Termination implied by a set of invariant(s): Invariant at l2: 0 <= x^0 + y^0 [ Invariant Graph ] Strengthening and disabling transitions... LOG: CALL solverLinear in Graph for feasibility LOG: RETURN solveLinear in Graph for feasibility Strengthening transition (result): 1 + x^0, y^0 -> 1 + y^0, rest remain the same}> [ Termination Graph ] Strengthening and disabling transitions... LOG: CALL solverLinear in Graph for feasibility LOG: RETURN solveLinear in Graph for feasibility Strengthening transition (result): 1 + x^0, y^0 -> 1 + y^0, rest remain the same}> Quasi-ranking function: 50000 - x^0 - y^0 New Graphs: Transitions: 1 + x^0, y^0 -> 1 + y^0, rest remain the same}> Variables: x^0, y^0 Checking conditional termination of SCC {l2}... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.000833s LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.003802s [13804 : 14294] [13804 : 14295] Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.102406s Time used: 4.10126 Termination failed. Trying to show unreachability... Proving unreachability of entry: LOG: CALL check - Post:1 <= 0 - Process 1 * Exit transition: * Postcondition : 1 <= 0 LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.031700s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.031811s Cannot prove unreachability [13804 : 14333] [13804 : 14334] Successful child: 14333 Program does NOT terminate