/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: ~(1)) /\ (arg1 > 0), par{arg1 -> (arg2 - 5), arg2 -> undef2}> (arg1 - 1), arg2 -> undef4}> 1) /\ ((arg1 - 1) < arg1), par{arg1 -> (arg1 - 1), arg2 -> undef6}> (arg1 - 1), arg2 -> undef8}> 1) /\ ((arg1 - 1) < arg1), par{arg1 -> (arg1 - 1), arg2 -> undef10}> undef11, arg2 -> undef12}> Fresh variables: undef2, undef4, undef6, undef8, undef10, undef11, undef12, Undef variables: undef2, undef4, undef6, undef8, undef10, undef11, undef12, Abstraction variables: Exit nodes: Accepting locations: Asserts: Preprocessed LLVMGraph Init Location: 0 Transitions: ~(1)) /\ (undef11 > 0)> ((arg1 - 1) - 1)}> 1) /\ ((arg1 - 1) < arg1) /\ ((arg1 - 1) > 1) /\ (((arg1 - 1) - 1) < (arg1 - 1)), par{arg1 -> ((arg1 - 1) - 1)}> Fresh variables: undef2, undef4, undef6, undef8, undef10, undef11, undef12, Undef variables: undef2, undef4, undef6, undef8, undef10, undef11, undef12, Abstraction variables: Exit nodes: Accepting locations: Asserts: ************************************************************* ******************************************************************************************* *********************** WORKING TRANSITION SYSTEM (DAG) *********************** ******************************************************************************************* Init Location: 0 Graph 0: Transitions: Variables: Graph 1: Transitions: -2 + arg1, rest remain the same}> -2 + arg1, rest remain the same}> Variables: arg1 Precedence: Graph 0 Graph 1 Map Locations to Subgraph: ( 0 , 0 ) ( 2 , 1 ) ******************************************************************************************* ******************************** CHECKING ASSERTIONS ******************************** ******************************************************************************************* Proving termination of subgraph 0 Proving termination of subgraph 1 Checking unfeasibility... Time used: 0.008864 Checking conditional termination of SCC {l2}... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.000896s Ranking function: (~(3) / 2) + (1 / 2)*arg1 New Graphs: Transitions: -2 + arg1, rest remain the same}> Variables: arg1 Checking conditional termination of SCC {l2}... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.000374s LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.001124s [37454 : 37455] [37454 : 37456] Successful child: 37455 [ Invariant Graph ] Strengthening and disabling transitions... LOG: CALL solverLinear in Graph for feasibility LOG: RETURN solveLinear in Graph for feasibility It's unfeasible. Removing transition: -2 + arg1, rest remain the same}> LOG: CALL solverLinear in Graph for feasibility LOG: RETURN solveLinear in Graph for feasibility Strengthening transition (result): -2 + arg1, rest remain the same}> [ Termination Graph ] Strengthening and disabling transitions... > It's unfeasible. Removing transition: -2 + arg1, rest remain the same}> New Graphs: LOG: CALL check - Post:1 <= arg1 - Process 1 * Exit transition: * Postcondition : 1 <= arg1 LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.000513s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.000622s INVARIANTS: 2: Quasi-INVARIANTS to narrow Graph: 2: 1 <= arg1 , Narrowing transition: -2 + arg1, rest remain the same}> LOG: Narrow transition size 1 It's unfeasible. Removing transition: -2 + arg1, rest remain the same}> invGraph after Narrowing: Transitions: -2 + arg1, rest remain the same}> Variables: arg1 Checking conditional termination of SCC {l2}... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.000410s LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.001178s [37454 : 37460] [37454 : 37461] Successful child: 37460 [ Invariant Graph ] Strengthening and disabling transitions... LOG: CALL solverLinear in Graph for feasibility LOG: RETURN solveLinear in Graph for feasibility It's unfeasible. Removing transition: -2 + arg1, rest remain the same}> [ Termination Graph ] Strengthening and disabling transitions... > It's unfeasible. Removing transition: -2 + arg1, rest remain the same}> New Graphs: LOG: CALL check - Post:0 <= arg1 - Process 2 * Exit transition: * Postcondition : 0 <= arg1 LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.000588s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.000686s INVARIANTS: 2: Quasi-INVARIANTS to narrow Graph: 2: 0 <= arg1 , Narrowing transition: -2 + arg1, rest remain the same}> LOG: Narrow transition size 1 invGraph after Narrowing: Transitions: -2 + arg1, rest remain the same}> Variables: arg1 Checking conditional termination of SCC {l2}... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.000400s LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.001206s [37454 : 37465] [37454 : 37466] Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.005493s Time used: 0.005202 Improving Solution with cost 1 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 1.000364s Time used: 1.00035 LOG: SAT solveNonLinear - Elapsed time: 1.005857s Cost: 1; Total time: 1.00555 Termination implied by a set of invariant(s): Invariant at l2: arg1 <= 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 + arg1, 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): -2 + arg1, rest remain the same}> Quasi-ranking function: 50000 + arg1 New Graphs: Transitions: -2 + arg1, rest remain the same}> Variables: arg1 Checking conditional termination of SCC {l2}... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.000413s LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.001220s [37454 : 37470] [37454 : 37471] Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.103073s Time used: 4.10238 [37454 : 37475] [37454 : 37479] Successful child: 37475 Program does NOT terminate