5.10/5.16 NO 5.10/5.16 5.10/5.17 Solver Timeout: 4 5.10/5.17 Global Timeout: 300 5.10/5.17 No parsing errors! 5.10/5.17 Init Location: 0 5.10/5.17 Transitions: 5.10/5.17 5.10/5.17 (0 + x^0)}> 5.10/5.17 (~(1) + y^0)}> 5.10/5.17 5.10/5.17 5.10/5.17 (1 + y^0)}> 5.10/5.17 (~(1) + x^0), y^0 -> (1 + y^0)}> 5.10/5.17 5.10/5.17 5.10/5.17 5.10/5.17 Fresh variables: 5.10/5.17 5.10/5.17 Undef variables: 5.10/5.17 5.10/5.17 Abstraction variables: 5.10/5.17 5.10/5.17 Exit nodes: 5.10/5.17 5.10/5.17 Accepting locations: 5.10/5.17 5.10/5.17 Asserts: 5.10/5.17 5.10/5.17 Preprocessed LLVMGraph 5.10/5.17 Init Location: 0 5.10/5.17 Transitions: 5.10/5.17 5.10/5.17 (~(1) + y^0)}> 5.10/5.17 (0 + x^0)}> 5.10/5.17 (~(1) + x^0), y^0 -> (0 + (~(1) + x^0))}> 5.10/5.17 5.10/5.17 Fresh variables: 5.10/5.17 5.10/5.17 Undef variables: 5.10/5.17 5.10/5.17 Abstraction variables: 5.10/5.17 5.10/5.17 Exit nodes: 5.10/5.17 5.10/5.17 Accepting locations: 5.10/5.17 5.10/5.17 Asserts: 5.10/5.17 5.10/5.17 ************************************************************* 5.10/5.17 ******************************************************************************************* 5.10/5.17 *********************** WORKING TRANSITION SYSTEM (DAG) *********************** 5.10/5.17 ******************************************************************************************* 5.10/5.17 5.10/5.17 Init Location: 0 5.10/5.17 Graph 0: 5.10/5.17 Transitions: 5.10/5.17 Variables: 5.10/5.17 5.10/5.17 Graph 1: 5.10/5.17 Transitions: 5.10/5.17 -1 + y^0, rest remain the same}> 5.10/5.17 x^0, rest remain the same}> 5.10/5.17 -1 + x^0, y^0 -> -1 + x^0, rest remain the same}> 5.10/5.17 Variables: 5.10/5.17 y^0, x^0 5.10/5.17 5.10/5.17 Precedence: 5.10/5.17 Graph 0 5.10/5.17 5.10/5.17 Graph 1 5.10/5.17 5.10/5.17 5.10/5.17 Map Locations to Subgraph: 5.10/5.17 ( 0 , 0 ) 5.10/5.17 ( 2 , 1 ) 5.10/5.17 5.10/5.17 ******************************************************************************************* 5.10/5.17 ******************************** CHECKING ASSERTIONS ******************************** 5.10/5.17 ******************************************************************************************* 5.10/5.17 5.10/5.17 Proving termination of subgraph 0 5.10/5.17 Proving termination of subgraph 1 5.10/5.17 Checking unfeasibility... 5.10/5.17 Time used: 0.006892 5.10/5.17 5.10/5.17 Checking conditional termination of SCC {l2}... 5.10/5.17 5.10/5.17 LOG: CALL solveLinear 5.10/5.17 5.10/5.17 LOG: RETURN solveLinear - Elapsed time: 0.001269s 5.10/5.17 Ranking function: x^0 5.10/5.17 New Graphs: 5.10/5.17 Transitions: 5.10/5.17 -1 + y^0, rest remain the same}> 5.10/5.17 x^0, rest remain the same}> 5.10/5.17 Variables: 5.10/5.17 x^0, y^0 5.10/5.17 Checking conditional termination of SCC {l2}... 5.10/5.17 5.10/5.17 LOG: CALL solveLinear 5.10/5.17 5.10/5.17 LOG: RETURN solveLinear - Elapsed time: 0.000630s 5.10/5.17 5.10/5.17 LOG: CALL solveLinear 5.10/5.17 5.10/5.17 LOG: RETURN solveLinear - Elapsed time: 0.002794s 5.10/5.17 Trying to remove transition: x^0, rest remain the same}> 5.10/5.17 Solving with 1 template(s). 5.10/5.17 5.10/5.17 LOG: CALL solveNonLinearGetFirstSolution 5.10/5.17 5.10/5.17 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.009125s 5.10/5.17 Time used: 0.008935 5.10/5.17 Trying to remove transition: -1 + y^0, rest remain the same}> 5.10/5.17 Solving with 1 template(s). 5.10/5.17 5.10/5.17 LOG: CALL solveNonLinearGetFirstSolution 5.10/5.17 5.10/5.17 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.004828s 5.10/5.17 Time used: 0.004392 5.10/5.17 Solving with 1 template(s). 5.10/5.17 5.10/5.17 LOG: CALL solveNonLinearGetFirstSolution 5.10/5.17 5.10/5.17 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.025673s 5.10/5.17 Time used: 0.025385 5.10/5.17 Solving with 2 template(s). 5.10/5.17 5.10/5.17 LOG: CALL solveNonLinearGetFirstSolution 5.10/5.17 5.10/5.17 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.002093s 5.10/5.17 Time used: 4.00059 5.10/5.17 Solving with 3 template(s). 5.10/5.17 5.10/5.17 LOG: CALL solveNonLinearGetFirstSolution 5.10/5.17 5.10/5.17 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 1.008940s 5.10/5.17 Time used: 1.00011 5.10/5.17 Solving with 1 template(s). 5.10/5.17 5.10/5.17 LOG: CALL solveNonLinearGetFirstSolution 5.10/5.17 5.10/5.17 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.041822s 5.10/5.17 Time used: 0.022564 5.10/5.17 Termination failed. Trying to show unreachability... 5.10/5.17 Proving unreachability of entry: 5.10/5.17 5.10/5.17 LOG: CALL check - Post:1 <= 0 - Process 1 5.10/5.17 * Exit transition: 5.10/5.17 * Postcondition : 1 <= 0 5.10/5.17 5.10/5.17 LOG: CALL solveLinear 5.10/5.17 5.10/5.17 LOG: RETURN solveLinear - Elapsed time: 0.001398s 5.10/5.17 > Postcondition is not implied! 5.10/5.17 5.10/5.17 LOG: RETURN check - Elapsed time: 0.001481s 5.10/5.17 Cannot prove unreachability 5.10/5.17 5.10/5.17 Proving non-termination of subgraph 1 5.10/5.17 Transitions: 5.10/5.17 -1 + y^0, rest remain the same}> 5.10/5.17 x^0, rest remain the same}> 5.10/5.17 -1 + x^0, y^0 -> -1 + x^0, rest remain the same}> 5.10/5.17 Variables: 5.10/5.17 y^0, x^0 5.10/5.17 5.10/5.17 Checking conditional non-termination of SCC {l2}... 5.10/5.17 EXIT TRANSITIONS: 5.10/5.17 5.10/5.17 5.10/5.17 Solving with 1 template(s). 5.10/5.17 5.10/5.17 LOG: CALL solveNonLinearGetFirstSolution 5.10/5.17 5.10/5.17 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.008909s 5.10/5.17 Time used: 0.008806 5.10/5.17 5.10/5.17 LOG: SAT solveNonLinear - Elapsed time: 0.008909s 5.10/5.17 Cost: 0; Total time: 0.008806 5.10/5.17 Non-termination implied by a set of quasi-invariant(s): 5.10/5.17 Quasi-invariant at l2: 1 <= x^0 5.10/5.17 5.10/5.17 Strengthening and disabling EXIT transitions... 5.10/5.17 Closed exits from l2: 1 5.10/5.17 5.10/5.17 Strengthening and disabling transitions... 5.10/5.17 5.10/5.17 LOG: CALL solverLinear in Graph for feasibility 5.10/5.17 5.10/5.17 LOG: RETURN solveLinear in Graph for feasibility 5.10/5.17 Strengthening transition (result): 5.10/5.17 -1 + y^0, rest remain the same}> 5.10/5.17 5.10/5.17 LOG: CALL solverLinear in Graph for feasibility 5.10/5.17 5.10/5.17 LOG: RETURN solveLinear in Graph for feasibility 5.10/5.17 Strengthening transition (result): 5.10/5.17 x^0, rest remain the same}> 5.10/5.17 5.10/5.17 LOG: CALL solverLinear in Graph for feasibility 5.10/5.17 5.10/5.17 LOG: RETURN solveLinear in Graph for feasibility 5.10/5.17 Strengthening transition (result): 5.10/5.17 -1 + x^0, y^0 -> -1 + x^0, rest remain the same}> 5.10/5.17 5.10/5.17 Calling reachability with... 5.10/5.17 Transition: 5.10/5.17 Conditions: 1 <= x^0, 5.10/5.17 OPEN EXITS: 5.10/5.17 5.10/5.17 5.10/5.17 --- Reachability graph --- 5.10/5.17 > Graph without transitions. 5.10/5.17 5.10/5.17 Calling reachability with... 5.10/5.17 Transition: 5.10/5.17 Conditions: 1 <= x^0, 5.10/5.17 OPEN EXITS: 5.10/5.17 5.10/5.17 5.10/5.17 > Conditions are reachable! 5.10/5.17 5.10/5.17 Program does NOT terminate 5.10/5.17 /export/starexec/sandbox/solver/bin/starexec_run_termcomp2019_ITS: line 26: delete: command not found 5.10/5.17 /export/starexec/sandbox/solver/bin/starexec_run_termcomp2019_ITS: line 27: edit: command not found 5.10/5.17 EOF