/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) + curr_serv^0)}> (~(1) + c^0), curr_serv^0 -> (~(1) + curr_serv^0), resp^0 -> (1 + resp^0)}> undef31}> undef42, curr_serv^0 -> (0 + undef45), resp^0 -> 0, servers^0 -> undef45}> Fresh variables: undef31, undef42, undef45, Undef variables: undef31, undef42, undef45, Abstraction variables: Exit nodes: Accepting locations: Asserts: Preprocessed LLVMGraph Init Location: 0 Transitions: (~(1) + curr_serv^0)}> (~(1) + c^0), curr_serv^0 -> (~(1) + curr_serv^0), resp^0 -> (1 + resp^0)}> Fresh variables: undef31, undef42, undef45, Undef variables: undef31, undef42, undef45, Abstraction variables: Exit nodes: Accepting locations: Asserts: ************************************************************* ******************************************************************************************* *********************** WORKING TRANSITION SYSTEM (DAG) *********************** ******************************************************************************************* Init Location: 0 Graph 0: Transitions: Variables: Graph 1: Transitions: -1 + curr_serv^0, rest remain the same}> -1 + c^0, curr_serv^0 -> -1 + 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: 0.005065 Checking conditional termination of SCC {l1}... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.001317s Ranking function: -1 - c^0 + curr_serv^0 New Graphs: Transitions: -1 + c^0, curr_serv^0 -> -1 + 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: 0.000716s Ranking function: -1 + curr_serv^0 New Graphs: Proving termination of subgraph 2 Checking unfeasibility... Time used: 0.000848 > 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: 0.000546s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.000644s LOG: NarrowEntry size 1 Narrowing transition: -1 + curr_serv^0, rest remain the same}> LOG: Narrow transition size 1 Narrowing transition: -1 + c^0, curr_serv^0 -> -1 + curr_serv^0, resp^0 -> 1 + resp^0, rest remain the same}> LOG: Narrow transition size 1 ENTRIES: END ENTRIES: GRAPH: -1 + curr_serv^0, rest remain the same}> -1 + c^0, curr_serv^0 -> -1 + curr_serv^0, resp^0 -> 1 + resp^0, rest remain the same}> END GRAPH: EXIT: POST: 1 <= 0 LOG: Try proving POST [6518 : 6530] [6518 : 6531] [6518 : 6532] LOG: Postcondition is not implied - no solution > Postcondition is not implied! LOG: RETURN check - Elapsed time: 1.095739s Cannot prove unreachability [6518 : 6604] [6518 : 6605] Successful child: 6604 Program does NOT terminate