/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: (~(2) + curr_serv^0)}> (~(1) + c^0), curr_serv^0 -> (~(2) + curr_serv^0), resp^0 -> (1 + resp^0)}> undef37}> undef50, c^0 -> undef51, curr_serv^0 -> (0 + undef54), resp^0 -> 0, servers^0 -> undef54}> Fresh variables: undef37, undef50, undef51, undef54, Undef variables: undef37, undef50, undef51, undef54, Abstraction variables: Exit nodes: Accepting locations: Asserts: Preprocessed LLVMGraph Init Location: 0 Transitions: (~(2) + curr_serv^0)}> (~(1) + c^0), curr_serv^0 -> (~(2) + curr_serv^0), resp^0 -> (1 + resp^0)}> Fresh variables: undef37, undef50, undef51, undef54, Undef variables: undef37, undef50, undef51, undef54, Abstraction variables: Exit nodes: Accepting locations: Asserts: ************************************************************* ******************************************************************************************* *********************** WORKING TRANSITION SYSTEM (DAG) *********************** ******************************************************************************************* Init Location: 0 Graph 0: Transitions: Variables: Graph 1: Transitions: -2 + curr_serv^0, rest remain the same}> -1 + c^0, curr_serv^0 -> -2 + curr_serv^0, resp^0 -> 1 + resp^0, rest remain the same}> Variables: c^0, curr_serv^0, resp^0 Graph 2: Transitions: Variables: Precedence: Graph 0 Graph 1 Graph 2 Map Locations to Subgraph: ( 0 , 0 ) ( 1 , 1 ) ( 5 , 2 ) ******************************************************************************************* ******************************** CHECKING ASSERTIONS ******************************** ******************************************************************************************* Proving termination of subgraph 0 Proving termination of subgraph 1 Checking unfeasibility... Time used: 0.023331 Checking conditional termination of SCC {l1}... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.001553s Ranking function: -1 - c^0 + curr_serv^0 New Graphs: Transitions: -1 + c^0, curr_serv^0 -> -2 + curr_serv^0, resp^0 -> 1 + resp^0, rest remain the same}> Variables: c^0, curr_serv^0, resp^0 Checking conditional termination of SCC {l1}... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.000723s Ranking function: (~(1) / 2) + (1 / 2)*curr_serv^0 New Graphs: Proving termination of subgraph 2 Checking unfeasibility... Time used: 0.000837 > No variable changes in termination graph. Checking conditional unfeasibility... Termination failed. Trying to show unreachability... Proving unreachability of entry: LOG: CALL check - Post:1 <= 0 - Process 1 * Exit transition: * Postcondition : 1 <= 0 Postcodition moved up: 1 <= 0 LOG: Try proving POST LOG: CALL check - Post:1 <= 0 - Process 2 * Exit transition: * Postcondition : 1 <= 0 LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.000632s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.000746s LOG: NarrowEntry size 1 Narrowing transition: -2 + curr_serv^0, rest remain the same}> LOG: Narrow transition size 1 Narrowing transition: -1 + c^0, curr_serv^0 -> -2 + curr_serv^0, resp^0 -> 1 + resp^0, rest remain the same}> LOG: Narrow transition size 1 ENTRIES: END ENTRIES: GRAPH: -2 + curr_serv^0, rest remain the same}> -1 + c^0, curr_serv^0 -> -2 + curr_serv^0, resp^0 -> 1 + resp^0, rest remain the same}> END GRAPH: EXIT: POST: 1 <= 0 LOG: Try proving POST [60179 : 60180] [60179 : 60181] [60179 : 60182] LOG: Postcondition is not implied - no solution > Postcondition is not implied! LOG: RETURN check - Elapsed time: 1.111683s Cannot prove unreachability [60179 : 60196] [60179 : 60197] Successful child: 60196 Program does NOT terminate