/export/starexec/sandbox2/solver/bin/starexec_run_termcomp17 /export/starexec/sandbox2/benchmark/theBenchmark.smt2 /export/starexec/sandbox2/output/output_files -------------------------------------------------------------------------------- NO Solver Timeout: 4 Global Timeout: 300 Maximum number of concurrent processes: 900 No parsing errors! Init Location: 0 Transitions: 0}> 1}> undef12}> (~(2) + x^0)}> (~(1) + x^0)}> undef31}> 0, start^0 -> 0}> Fresh variables: undef12, undef31, undef41, undef42, Undef variables: undef12, undef31, undef41, undef42, Abstraction variables: Exit nodes: Accepting locations: Asserts: Preprocessed LLVMGraph Init Location: 0 Transitions: (~(2) + x^0)}> (~(1) + x^0)}> Fresh variables: undef12, undef31, undef41, undef42, Undef variables: undef12, undef31, undef41, undef42, Abstraction variables: Exit nodes: Accepting locations: Asserts: ************************************************************* ******************************************************************************************* *********************** WORKING TRANSITION SYSTEM (DAG) *********************** ******************************************************************************************* Init Location: 0 Graph 0: Transitions: Variables: Graph 1: Transitions: -2 + x^0, rest remain the same}> -1 + x^0, rest remain the same}> Variables: x^0 Graph 2: Transitions: Variables: Precedence: Graph 0 Graph 1 Graph 2 Map Locations to Subgraph: ( 0 , 0 ) ( 2 , 2 ) ( 4 , 1 ) ******************************************************************************************* ******************************** CHECKING ASSERTIONS ******************************** ******************************************************************************************* Proving termination of subgraph 0 Proving termination of subgraph 1 Checking unfeasibility... Time used: 0.002727 Checking conditional termination of SCC {l4}... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.001023s Ranking function: -1 + x^0 New Graphs: Proving termination of subgraph 2 Checking unfeasibility... Time used: 0.001396 > 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: 0.000321s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.000390s LOG: NarrowEntry size 1 Narrowing transition: -2 + x^0, rest remain the same}> LOG: Narrow transition size 1 Narrowing transition: -1 + x^0, rest remain the same}> LOG: Narrow transition size 1 ENTRIES: END ENTRIES: GRAPH: -2 + x^0, rest remain the same}> -1 + x^0, rest remain the same}> END GRAPH: EXIT: POST: 1 <= 0 LOG: Try proving POST [53324 : 53326] [53324 : 53327] [53324 : 53328] LOG: Postcondition is not implied - no solution > Postcondition is not implied! LOG: RETURN check - Elapsed time: 1.042745s Cannot prove unreachability [53324 : 53344] [53324 : 53345] Successful child: 53344 Program does NOT terminate