/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: undef7}> undef12}> (1 + y_6^0)}> (1 + x_5^0)}> undef46}> undef52}> undef57}> (1 + y_6^0)}> (1 + x_5^0)}> undef82}> undef92}> (1 + y_6^0)}> Fresh variables: undef7, undef12, undef46, undef52, undef57, undef82, undef92, Undef variables: undef7, undef12, undef46, undef52, undef57, undef82, undef92, Abstraction variables: Exit nodes: Accepting locations: Asserts: Preprocessed LLVMGraph Init Location: 0 Transitions: (1 + y_6^0)}> (1 + y_6^0)}> (1 + x_5^0)}> (1 + y_6^0)}> (1 + y_6^0)}> (1 + x_5^0)}> (1 + y_6^0)}> (1 + y_6^0)}> Fresh variables: undef7, undef12, undef46, undef52, undef57, undef82, undef92, Undef variables: undef7, undef12, undef46, undef52, undef57, undef82, undef92, Abstraction variables: Exit nodes: Accepting locations: Asserts: ************************************************************* ******************************************************************************************* *********************** WORKING TRANSITION SYSTEM (DAG) *********************** ******************************************************************************************* Init Location: 0 Graph 0: Transitions: Variables: Graph 1: Transitions: 1 + y_6^0, rest remain the same}> 1 + y_6^0, rest remain the same}> 1 + x_5^0, rest remain the same}> 1 + y_6^0, rest remain the same}> 1 + y_6^0, rest remain the same}> 1 + x_5^0, rest remain the same}> 1 + y_6^0, rest remain the same}> 1 + y_6^0, rest remain the same}> Variables: x_5^0, y_6^0, z_7^0 Graph 2: Transitions: Variables: Precedence: Graph 0 Graph 1 Graph 2 Map Locations to Subgraph: ( 0 , 0 ) ( 2 , 1 ) ( 3 , 1 ) ( 4 , 1 ) ( 9 , 2 ) ******************************************************************************************* ******************************** CHECKING ASSERTIONS ******************************** ******************************************************************************************* Proving termination of subgraph 0 Proving termination of subgraph 1 Checking unfeasibility... Time used: 0.054113 Checking conditional termination of SCC {l2, l3, l4}... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.006337s Ranking function: -7 - 3*x_5^0 - y_6^0 + 4*z_7^0 New Graphs: Transitions: 1 + x_5^0, rest remain the same}> 1 + y_6^0, rest remain the same}> 1 + y_6^0, rest remain the same}> 1 + x_5^0, rest remain the same}> 1 + y_6^0, rest remain the same}> 1 + y_6^0, rest remain the same}> Variables: x_5^0, y_6^0, z_7^0 Checking conditional termination of SCC {l2, l3, l4}... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.002674s Ranking function: -1 - y_6^0 + z_7^0 New Graphs: Transitions: 1 + x_5^0, rest remain the same}> Variables: x_5^0, y_6^0, z_7^0 Transitions: Variables: y_6^0, z_7^0 Checking conditional termination of SCC {l2}... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.000928s Ranking function: -1 - x_5^0 + y_6^0 New Graphs: Transitions: Variables: y_6^0, z_7^0 > No variable changes in termination graph. Checking conditional unfeasibility... Calling Safety with literal z_7^0 <= y_6^0 and entry LOG: CALL check - Post:z_7^0 <= y_6^0 - Process 1 * Exit transition: * Postcondition : z_7^0 <= y_6^0 Quasi-invariants: Location 2: z_7^0 <= y_6^0 ; Location 3: z_7^0 <= y_6^0 ; Location 4: z_7^0 <= y_6^0 ; LOG: CALL check - Post:z_7^0 <= y_6^0 - Process 2 * Exit transition: * Postcondition : z_7^0 <= y_6^0 LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.000378s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.000442s LOG: NarrowEntry size 1 Narrowing transition: LOG: Narrow transition size 1 Narrowing transition: 1 + y_6^0, rest remain the same}> LOG: Narrow transition size 1 Narrowing transition: 1 + y_6^0, rest remain the same}> LOG: Narrow transition size 1 It's unfeasible. Removing transition: 1 + x_5^0, rest remain the same}> Narrowing transition: LOG: Narrow transition size 1 Narrowing transition: 1 + y_6^0, rest remain the same}> LOG: Narrow transition size 1 Narrowing transition: 1 + y_6^0, rest remain the same}> LOG: Narrow transition size 1 It's unfeasible. Removing transition: 1 + x_5^0, rest remain the same}> Narrowing transition: LOG: Narrow transition size 1 Narrowing transition: 1 + y_6^0, rest remain the same}> LOG: Narrow transition size 1 Narrowing transition: 1 + y_6^0, rest remain the same}> LOG: Narrow transition size 1 ENTRIES: END ENTRIES: GRAPH: 1 + y_6^0, rest remain the same}> 1 + y_6^0, rest remain the same}> 1 + y_6^0, rest remain the same}> 1 + y_6^0, rest remain the same}> 1 + y_6^0, rest remain the same}> 1 + y_6^0, rest remain the same}> END GRAPH: EXIT: POST: z_7^0 <= y_6^0 LOG: Try proving POST [44493 : 44494] [44493 : 44495] [44493 : 44496] Successful child: 44494 LOG: CALL check - Post:y_6^0 <= x_5^0 - Process 3 * Exit transition: * Postcondition : y_6^0 <= x_5^0 LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.000842s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.000934s LOG: NarrowEntry size 1 INVARIANTS: 2: 3: 4: Quasi-INVARIANTS to narrow Graph: 2: y_6^0 <= x_5^0 , 3: 1 <= 0 , 4: z_7^0 <= y_6^0 , Narrowing transition: LOG: Narrow transition size 1 Narrowing transition: 1 + y_6^0, rest remain the same}> LOG: Narrow transition size 1 Narrowing transition: 1 + y_6^0, rest remain the same}> LOG: Narrow transition size 1 Narrowing transition: LOG: Narrow transition size 1 Narrowing transition: 1 + y_6^0, rest remain the same}> LOG: Narrow transition size 1 Narrowing transition: 1 + y_6^0, rest remain the same}> LOG: Narrow transition size 1 Narrowing transition: LOG: Narrow transition size 1 Narrowing transition: 1 + y_6^0, rest remain the same}> LOG: Narrow transition size 1 Narrowing transition: 1 + y_6^0, rest remain the same}> LOG: Narrow transition size 1 ENTRIES: END ENTRIES: GRAPH: 1 + y_6^0, rest remain the same}> 1 + y_6^0, rest remain the same}> 1 + y_6^0, rest remain the same}> 1 + y_6^0, rest remain the same}> 1 + y_6^0, rest remain the same}> 1 + y_6^0, rest remain the same}> END GRAPH: EXIT: POST: z_7^0 <= y_6^0 LOG: Try proving POST [44493 : 44497] [44493 : 44498] [44493 : 44499] LOG: Postcondition is not implied - no solution > Postcondition is not implied! LOG: RETURN check - Elapsed time: 4.310345s [44493 : 44500] [44493 : 44504] Successful child: 44504 Program does NOT terminate