/export/starexec/sandbox/solver/bin/starexec_run_termcomp17 /export/starexec/sandbox/benchmark/theBenchmark.smt2 /export/starexec/sandbox/output/output_files -------------------------------------------------------------------------------- NO Solver Timeout: 4 Global Timeout: 300 Maximum number of concurrent processes: 900 No parsing errors! Init Location: 0 Transitions: (0 + undef6), ret_complex6^0 -> undef6}> (1 + a4^0)}> (10 + a4^0)}> (1 + a4^0)}> (2 + b5^0)}> undef58}> (2 + a4^0), b5^0 -> (~(10) + b5^0)}> (0 + undef74), a^0 -> undef74, answer^0 -> 0, b5^0 -> (0 + undef77), b^0 -> undef77}> Fresh variables: undef6, undef58, undef74, undef77, Undef variables: undef6, undef58, undef74, undef77, Abstraction variables: Exit nodes: Accepting locations: Asserts: Preprocessed LLVMGraph Init Location: 0 Transitions: (2 + a4^0), b5^0 -> (~(10) + b5^0)}> (2 + a4^0), b5^0 -> (~(10) + b5^0)}> (1 + a4^0), b5^0 -> (2 + b5^0)}> (1 + a4^0), b5^0 -> undef58}> (1 + a4^0), b5^0 -> undef58}> (10 + a4^0), b5^0 -> undef58}> Fresh variables: undef6, undef58, undef74, undef77, Undef variables: undef6, undef58, undef74, undef77, Abstraction variables: Exit nodes: Accepting locations: Asserts: ************************************************************* ******************************************************************************************* *********************** WORKING TRANSITION SYSTEM (DAG) *********************** ******************************************************************************************* Init Location: 0 Graph 0: Transitions: Variables: Graph 1: Transitions: 2 + a4^0, b5^0 -> -10 + b5^0, rest remain the same}> 1 + a4^0, b5^0 -> 2 + b5^0, rest remain the same}> 1 + a4^0, b5^0 -> undef58, rest remain the same}> 1 + a4^0, b5^0 -> undef58, rest remain the same}> 10 + a4^0, b5^0 -> undef58, rest remain the same}> Variables: a4^0, b5^0 Graph 2: Transitions: Variables: Precedence: Graph 0 Graph 1 Graph 2 2 + a4^0, b5^0 -> -10 + b5^0, rest remain the same}> Map Locations to Subgraph: ( 0 , 0 ) ( 2 , 2 ) ( 3 , 1 ) ******************************************************************************************* ******************************** CHECKING ASSERTIONS ******************************** ******************************************************************************************* Proving termination of subgraph 0 Proving termination of subgraph 1 Checking unfeasibility... Time used: 4.10037 Checking conditional termination of SCC {l3}... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.008930s Ranking function: 81 - 3*a4^0 New Graphs: Transitions: 1 + a4^0, b5^0 -> 2 + b5^0, rest remain the same}> 1 + a4^0, b5^0 -> undef58, rest remain the same}> 1 + a4^0, b5^0 -> undef58, rest remain the same}> 10 + a4^0, b5^0 -> undef58, rest remain the same}> Variables: a4^0, b5^0 Checking conditional termination of SCC {l3}... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.002098s LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.081732s [1569 : 1638] [1569 : 1639] Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.061864s Time used: 0.060307 Improving Solution with cost 1 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 1.002891s Time used: 1.00275 LOG: SAT solveNonLinear - Elapsed time: 1.064755s Cost: 1; Total time: 1.06306 Termination implied by a set of invariant(s): Invariant at l3: 0 <= a4^0 [ Invariant Graph ] Strengthening and disabling transitions... LOG: CALL solverLinear in Graph for feasibility LOG: RETURN solveLinear in Graph for feasibility Strengthening transition (result): 2 + a4^0, b5^0 -> -10 + b5^0, rest remain the same}> LOG: CALL solverLinear in Graph for feasibility LOG: RETURN solveLinear in Graph for feasibility Strengthening transition (result): 1 + a4^0, b5^0 -> 2 + b5^0, rest remain the same}> LOG: CALL solverLinear in Graph for feasibility LOG: RETURN solveLinear in Graph for feasibility Strengthening transition (result): 1 + a4^0, b5^0 -> undef58, rest remain the same}> LOG: CALL solverLinear in Graph for feasibility LOG: RETURN solveLinear in Graph for feasibility Strengthening transition (result): 1 + a4^0, b5^0 -> undef58, rest remain the same}> LOG: CALL solverLinear in Graph for feasibility LOG: RETURN solveLinear in Graph for feasibility Strengthening transition (result): 10 + a4^0, b5^0 -> undef58, 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 + a4^0, b5^0 -> 2 + b5^0, rest remain the same}> LOG: CALL solverLinear in Graph for feasibility LOG: RETURN solveLinear in Graph for feasibility Strengthening transition (result): 1 + a4^0, b5^0 -> undef58, rest remain the same}> LOG: CALL solverLinear in Graph for feasibility LOG: RETURN solveLinear in Graph for feasibility Strengthening transition (result): 1 + a4^0, b5^0 -> undef58, rest remain the same}> LOG: CALL solverLinear in Graph for feasibility LOG: RETURN solveLinear in Graph for feasibility Strengthening transition (result): 10 + a4^0, b5^0 -> undef58, rest remain the same}> Quasi-ranking function: 50000 - a4^0 New Graphs: Transitions: 1 + a4^0, b5^0 -> 2 + b5^0, rest remain the same}> 1 + a4^0, b5^0 -> undef58, rest remain the same}> 1 + a4^0, b5^0 -> undef58, rest remain the same}> 10 + a4^0, b5^0 -> undef58, rest remain the same}> Variables: a4^0, b5^0 Checking conditional termination of SCC {l3}... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.002413s LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.133790s [1569 : 1667] [1569 : 1668] Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.103355s Time used: 4.101 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: 0.023683s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.023816s Cannot prove unreachability [1569 : 1852] [1569 : 1859] Successful child: 1852 Program does NOT terminate