/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: (~(1) + x^0)}> 100}> Fresh variables: Undef variables: Abstraction variables: Exit nodes: Accepting locations: Asserts: Preprocessed LLVMGraph Init Location: 0 Transitions: (~(1) + 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 + x^0, rest remain the same}> -1 + x^0, rest remain the same}> Variables: x^0 Precedence: Graph 0 Graph 1 Map Locations to Subgraph: ( 0 , 0 ) ( 1 , 1 ) ******************************************************************************************* ******************************** CHECKING ASSERTIONS ******************************** ******************************************************************************************* Proving termination of subgraph 0 Proving termination of subgraph 1 Checking unfeasibility... Time used: 0.08902 Some transition disabled by a set of invariant(s): Invariant at l1: x^0 <= 101 Strengthening and disabling transitions... > 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 Strengthening transition (result): -1 + x^0, rest remain the same}> Checking unfeasibility... Time used: 0.104422 Checking conditional termination of SCC {l1}... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.001584s LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.001153s [57215 : 57216] [57215 : 57217] Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.005424s Time used: 0.005065 Improving Solution with cost 1 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 1.000336s Time used: 1.0003 LOG: SAT solveNonLinear - Elapsed time: 1.005760s Cost: 1; Total time: 1.00537 Quasi-ranking function: 50000 + x^0 New Graphs: Transitions: -1 + x^0, rest remain the same}> Variables: x^0 Checking conditional termination of SCC {l1}... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.000407s LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.001203s [57215 : 57221] [57215 : 57222] Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.101600s Time used: 4.10106 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: 0.012846s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.012950s Cannot prove unreachability [57215 : 57226] [57215 : 57227] Successful child: 57226 Program does NOT terminate