/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, __rho_1_^0 -> undef39, dobreak^0 -> (0 + undef39)}> 0, __rho_2_^0 -> undef47, n^0 -> (0 + undef47)}> 0, R^0 -> 0, __rho_1_^0 -> undef59, dobreak^0 -> (0 + undef59)}> Fresh variables: undef39, undef43, undef47, undef50, undef59, Undef variables: undef39, undef43, undef47, undef50, undef59, Abstraction variables: Exit nodes: Accepting locations: Asserts: Preprocessed LLVMGraph Init Location: 0 Transitions: (0 + undef47)}> (0 + undef47)}> Fresh variables: undef39, undef43, undef47, undef50, undef59, Undef variables: undef39, undef43, undef47, undef50, undef59, Abstraction variables: Exit nodes: Accepting locations: Asserts: ************************************************************* ******************************************************************************************* *********************** WORKING TRANSITION SYSTEM (DAG) *********************** ******************************************************************************************* Init Location: 0 Graph 0: Transitions: Variables: Graph 1: Transitions: undef47, rest remain the same}> Variables: n^0 Graph 2: Transitions: Variables: Precedence: Graph 0 Graph 1 undef47, rest remain the same}> Graph 2 Map Locations to Subgraph: ( 0 , 0 ) ( 3 , 1 ) ( 7 , 2 ) ******************************************************************************************* ******************************** CHECKING ASSERTIONS ******************************** ******************************************************************************************* Proving termination of subgraph 0 Proving termination of subgraph 1 Checking unfeasibility... Time used: 0.002528 Checking conditional termination of SCC {l3}... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.000634s LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.001925s [45073 : 45074] [45073 : 45075] Successful child: 45074 [ Invariant Graph ] Strengthening and disabling transitions... LOG: CALL solverLinear in Graph for feasibility LOG: RETURN solveLinear in Graph for feasibility Strengthening transition (result): LOG: CALL solverLinear in Graph for feasibility LOG: RETURN solveLinear in Graph for feasibility It's unfeasible. Removing transition: undef47, 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): LOG: CALL solverLinear in Graph for feasibility LOG: RETURN solveLinear in Graph for feasibility It's unfeasible. Removing transition: undef47, rest remain the same}> New Graphs: Transitions: Variables: n^0 > No variable changes in termination graph. Checking conditional unfeasibility... Calling Safety with literal n^0 <= 0 and entry LOG: CALL check - Post:n^0 <= 0 - Process 1 * Exit transition: * Postcondition : n^0 <= 0 Quasi-invariants: Location 3: n^0 <= 0 ; undef47 <= 0 ; [45073 : 45079] [45073 : 45080] LOG: NarrowEntry size 2 Narrowing transition: LOG: Narrow transition size 2 Narrowing transition: undef47, rest remain the same}> LOG: Narrow transition size 2 ENTRIES: undef47, rest remain the same}> END ENTRIES: GRAPH: undef47, rest remain the same}> END GRAPH: EXIT: POST: n^0 <= 0 LOG: Try proving POST [45073 : 45081] [45073 : 45082] [45073 : 45083] Successful child: 45081 Strengthening and disabling transitions... > It's unfeasible. Removing transition: undef47, rest remain the same}> LOG: CALL solverLinear in Graph for feasibility LOG: RETURN solveLinear in Graph for feasibility Strengthening transition (result): [45073 : 45084] [45073 : 45085] [45073 : 45086] LOG: Postcondition is not implied - no solution > Postcondition is not implied! LOG: RETURN check - Elapsed time: 4.144247s [45073 : 45087] [45073 : 45088] Successful child: 45087 Program does NOT terminate