/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 + z^0), y^0 -> (~(1) + y^0)}> (~(1) + x^0)}> 1, ox^0 -> (0 + x^0), oy^0 -> (0 + y^0), oz^0 -> (0 + z^0), sx^0 -> (0 + x^0), sy^0 -> (0 + y^0), sz^0 -> (0 + z^0)}> (0 + x^0), sy^0 -> (0 + y^0), sz^0 -> (0 + z^0)}> 0}> Fresh variables: Undef variables: Abstraction variables: Exit nodes: Accepting locations: Asserts: Preprocessed LLVMGraph Init Location: 0 Transitions: 1, ox^0 -> (0 + x^0), sx^0 -> (0 + x^0), x^0 -> (0 + z^0), y^0 -> (~(1) + y^0)}> 1, ox^0 -> (0 + x^0), sx^0 -> (0 + x^0), x^0 -> (~(1) + x^0)}> (0 + z^0), y^0 -> (~(1) + y^0)}> (~(1) + x^0)}> (0 + x^0), x^0 -> (0 + z^0), y^0 -> (~(1) + y^0)}> (0 + x^0), x^0 -> (~(1) + x^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, ox^0 -> x^0, sx^0 -> x^0, x^0 -> z^0, y^0 -> -1 + y^0, rest remain the same}> 1, ox^0 -> x^0, sx^0 -> x^0, x^0 -> -1 + x^0, rest remain the same}> z^0, y^0 -> -1 + y^0, rest remain the same}> -1 + x^0, rest remain the same}> x^0, x^0 -> z^0, y^0 -> -1 + y^0, rest remain the same}> x^0, x^0 -> -1 + x^0, rest remain the same}> Variables: ox^0, sx^0, x^0, y^0, z^0 Graph 2: Transitions: Variables: Precedence: Graph 0 Graph 1 Graph 2 Map Locations to Subgraph: ( 0 , 0 ) ( 2 , 2 ) ( 5 , 1 ) ******************************************************************************************* ******************************** CHECKING ASSERTIONS ******************************** ******************************************************************************************* Proving termination of subgraph 0 Proving termination of subgraph 1 Checking unfeasibility... Time used: 0.020826 Checking conditional termination of SCC {l5}... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.003299s LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.011281s [44028 : 44029] [44028 : 44030] Successful child: 44029 [ Invariant Graph ] Strengthening and disabling transitions... LOG: CALL solverLinear in Graph for feasibility LOG: RETURN solveLinear in Graph for feasibility Strengthening transition (result): 1, ox^0 -> x^0, sx^0 -> x^0, x^0 -> z^0, y^0 -> -1 + y^0, rest remain the same}> LOG: CALL solverLinear in Graph for feasibility LOG: RETURN solveLinear in Graph for feasibility Strengthening transition (result): 1, ox^0 -> x^0, sx^0 -> x^0, x^0 -> -1 + x^0, rest remain the same}> LOG: CALL solverLinear in Graph for feasibility LOG: RETURN solveLinear in Graph for feasibility It's unfeasible. Removing transition: z^0, y^0 -> -1 + y^0, rest remain the same}> LOG: CALL solverLinear in Graph for feasibility LOG: RETURN solveLinear in Graph for feasibility It's unfeasible. Removing transition: -1 + x^0, rest remain the same}> LOG: CALL solverLinear in Graph for feasibility LOG: RETURN solveLinear in Graph for feasibility It's unfeasible. Removing transition: x^0, x^0 -> z^0, y^0 -> -1 + y^0, rest remain the same}> LOG: CALL solverLinear in Graph for feasibility LOG: RETURN solveLinear in Graph for feasibility It's unfeasible. Removing transition: x^0, x^0 -> -1 + x^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, ox^0 -> x^0, sx^0 -> x^0, x^0 -> z^0, y^0 -> -1 + y^0, rest remain the same}> LOG: CALL solverLinear in Graph for feasibility LOG: RETURN solveLinear in Graph for feasibility Strengthening transition (result): 1, ox^0 -> x^0, sx^0 -> x^0, x^0 -> -1 + x^0, rest remain the same}> LOG: CALL solverLinear in Graph for feasibility LOG: RETURN solveLinear in Graph for feasibility It's unfeasible. Removing transition: z^0, y^0 -> -1 + y^0, rest remain the same}> LOG: CALL solverLinear in Graph for feasibility LOG: RETURN solveLinear in Graph for feasibility It's unfeasible. Removing transition: -1 + x^0, rest remain the same}> LOG: CALL solverLinear in Graph for feasibility LOG: RETURN solveLinear in Graph for feasibility It's unfeasible. Removing transition: x^0, x^0 -> z^0, y^0 -> -1 + y^0, rest remain the same}> LOG: CALL solverLinear in Graph for feasibility LOG: RETURN solveLinear in Graph for feasibility It's unfeasible. Removing transition: x^0, x^0 -> -1 + x^0, rest remain the same}> New Graphs: Transitions: 1, ox^0 -> x^0, sx^0 -> x^0, x^0 -> z^0, y^0 -> -1 + y^0, rest remain the same}> 1, ox^0 -> x^0, sx^0 -> x^0, x^0 -> -1 + x^0, rest remain the same}> Variables: ox^0, sx^0, x^0, y^0, z^0 Checking conditional termination of SCC {l5}... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.001188s LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.003816s [44028 : 44034] [44028 : 44035] Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.023101s Time used: 0.022421 Improving Solution with cost 1 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.035548s Time used: 0.035542 LOG: SAT solveNonLinear - Elapsed time: 0.058649s Cost: 1; Total time: 0.057963 Quasi-ranking function: 50000 + y^0 New Graphs: Transitions: 1, ox^0 -> x^0, sx^0 -> x^0, x^0 -> z^0, y^0 -> -1 + y^0, rest remain the same}> 1, ox^0 -> x^0, sx^0 -> x^0, x^0 -> -1 + x^0, rest remain the same}> Variables: ox^0, sx^0, x^0, y^0, z^0 Checking conditional termination of SCC {l5}... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.001219s LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.004425s [44028 : 44039] [44028 : 44040] Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.023192s Time used: 0.022098 Improving Solution with cost 1 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.035016s Time used: 0.035011 LOG: SAT solveNonLinear - Elapsed time: 0.058208s Cost: 1; Total time: 0.057109 Quasi-ranking function: 50000 + y^0 - z^0 New Graphs: Transitions: 1, ox^0 -> x^0, sx^0 -> x^0, x^0 -> z^0, y^0 -> -1 + y^0, rest remain the same}> 1, ox^0 -> x^0, sx^0 -> x^0, x^0 -> -1 + x^0, rest remain the same}> Variables: ox^0, sx^0, x^0, y^0, z^0 Checking conditional termination of SCC {l5}... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.001372s LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.005142s [44028 : 44044] [44028 : 44045] Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.022590s Time used: 0.021704 Improving Solution with cost 1 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.030327s Time used: 0.030322 LOG: SAT solveNonLinear - Elapsed time: 0.052917s Cost: 1; Total time: 0.052026 Quasi-ranking function: 50000 + y^0 + z^0 New Graphs: Transitions: 1, ox^0 -> x^0, sx^0 -> x^0, x^0 -> z^0, y^0 -> -1 + y^0, rest remain the same}> 1, ox^0 -> x^0, sx^0 -> x^0, x^0 -> -1 + x^0, rest remain the same}> Variables: ox^0, sx^0, x^0, y^0, z^0 Checking conditional termination of SCC {l5}... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.001470s LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.005575s [44028 : 44049] [44028 : 44050] Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.021759s Time used: 0.021048 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: 0.002669s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.002761s Cannot prove unreachability [44028 : 44054] [44028 : 44055] Successful child: 44054 Program does NOT terminate