1.07/1.10 NO 1.07/1.10 1.07/1.10 Solver Timeout: 4 1.07/1.10 Global Timeout: 300 1.07/1.10 No parsing errors! 1.07/1.10 Init Location: 0 1.07/1.10 Transitions: 1.07/1.10 1.07/1.10 (0 + i^0)}> 1.07/1.10 (1 + i^0)}> 1.07/1.10 1.07/1.10 1.07/1.10 undef9}> 1.07/1.10 1.07/1.10 1.07/1.10 1.07/1.10 0}> 1.07/1.10 1.07/1.10 1.07/1.10 Fresh variables: 1.07/1.10 undef9, 1.07/1.10 1.07/1.10 Undef variables: 1.07/1.10 undef9, 1.07/1.10 1.07/1.10 Abstraction variables: 1.07/1.10 1.07/1.10 Exit nodes: 1.07/1.10 1.07/1.10 Accepting locations: 1.07/1.10 1.07/1.10 Asserts: 1.07/1.10 1.07/1.10 Preprocessed LLVMGraph 1.07/1.10 Init Location: 0 1.07/1.10 Transitions: 1.07/1.10 1.07/1.10 1.07/1.10 (1 + i^0)}> 1.07/1.10 (1 + i^0)}> 1.07/1.10 (1 + undef9)}> 1.07/1.10 1.07/1.10 Fresh variables: 1.07/1.10 undef9, 1.07/1.10 1.07/1.10 Undef variables: 1.07/1.10 undef9, 1.07/1.10 1.07/1.10 Abstraction variables: 1.07/1.10 1.07/1.10 Exit nodes: 1.07/1.10 1.07/1.10 Accepting locations: 1.07/1.10 1.07/1.10 Asserts: 1.07/1.10 1.07/1.10 ************************************************************* 1.07/1.10 ******************************************************************************************* 1.07/1.10 *********************** WORKING TRANSITION SYSTEM (DAG) *********************** 1.07/1.10 ******************************************************************************************* 1.07/1.10 1.07/1.10 Init Location: 0 1.07/1.10 Graph 0: 1.07/1.10 Transitions: 1.07/1.10 Variables: 1.07/1.10 1.07/1.10 Graph 1: 1.07/1.10 Transitions: 1.07/1.10 1 + i^0, rest remain the same}> 1.07/1.10 1 + i^0, rest remain the same}> 1.07/1.10 1 + undef9, rest remain the same}> 1.07/1.10 Variables: 1.07/1.10 i^0 1.07/1.10 1.07/1.10 Graph 2: 1.07/1.10 Transitions: 1.07/1.10 Variables: 1.07/1.10 1.07/1.10 Precedence: 1.07/1.10 Graph 0 1.07/1.10 1.07/1.10 Graph 1 1.07/1.10 1.07/1.10 1.07/1.10 Graph 2 1.07/1.10 1.07/1.10 1.07/1.10 Map Locations to Subgraph: 1.07/1.10 ( 0 , 0 ) 1.07/1.10 ( 3 , 1 ) 1.07/1.10 ( 6 , 2 ) 1.07/1.10 1.07/1.10 ******************************************************************************************* 1.07/1.10 ******************************** CHECKING ASSERTIONS ******************************** 1.07/1.10 ******************************************************************************************* 1.07/1.10 1.07/1.10 Proving termination of subgraph 0 1.07/1.10 Proving termination of subgraph 1 1.07/1.10 Checking unfeasibility... 1.07/1.10 Time used: 0.010066 1.07/1.10 1.07/1.10 Checking conditional termination of SCC {l3}... 1.07/1.10 1.07/1.10 LOG: CALL solveLinear 1.07/1.10 1.07/1.10 LOG: RETURN solveLinear - Elapsed time: 0.001040s 1.07/1.10 1.07/1.10 LOG: CALL solveLinear 1.07/1.10 1.07/1.10 LOG: RETURN solveLinear - Elapsed time: 0.003950s 1.07/1.10 Piecewise ranking function: min(117 - 13*i^0,52) 1.07/1.10 New Graphs: 1.07/1.10 Transitions: 1.07/1.10 1 + i^0, rest remain the same}> 1.07/1.10 1 + undef9, rest remain the same}> 1.07/1.10 Variables: 1.07/1.10 i^0 1.07/1.10 Checking conditional termination of SCC {l3}... 1.07/1.10 1.07/1.10 LOG: CALL solveLinear 1.07/1.10 1.07/1.10 LOG: RETURN solveLinear - Elapsed time: 0.000607s 1.07/1.10 1.07/1.10 LOG: CALL solveLinear 1.07/1.10 1.07/1.10 LOG: RETURN solveLinear - Elapsed time: 0.002464s 1.07/1.10 Trying to remove transition: 1 + undef9, rest remain the same}> 1.07/1.10 Solving with 1 template(s). 1.07/1.10 1.07/1.10 LOG: CALL solveNonLinearGetFirstSolution 1.07/1.10 1.07/1.10 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.038578s 1.07/1.10 Time used: 0.038408 1.07/1.10 Trying to remove transition: 1 + i^0, rest remain the same}> 1.07/1.10 Solving with 1 template(s). 1.07/1.10 1.07/1.10 LOG: CALL solveNonLinearGetFirstSolution 1.07/1.10 1.07/1.10 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.013230s 1.07/1.10 Time used: 0.012693 1.07/1.10 Solving with 1 template(s). 1.07/1.10 1.07/1.10 LOG: CALL solveNonLinearGetFirstSolution 1.07/1.10 1.07/1.10 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.033610s 1.07/1.10 Time used: 0.03315 1.07/1.10 Solving with 2 template(s). 1.07/1.10 1.07/1.10 LOG: CALL solveNonLinearGetFirstSolution 1.07/1.10 1.07/1.10 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.205976s 1.07/1.10 Time used: 0.204553 1.07/1.10 Solving with 3 template(s). 1.07/1.10 1.07/1.10 LOG: CALL solveNonLinearGetFirstSolution 1.07/1.10 1.07/1.10 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.674891s 1.07/1.10 Time used: 0.669142 1.07/1.10 Solving with 1 template(s). 1.07/1.10 1.07/1.10 LOG: CALL solveNonLinearGetFirstSolution 1.07/1.10 1.07/1.10 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.041583s 1.07/1.10 Time used: 0.029542 1.07/1.10 Termination failed. Trying to show unreachability... 1.07/1.10 Proving unreachability of entry: 1.07/1.10 1.07/1.10 LOG: CALL check - Post:1 <= 0 - Process 1 1.07/1.10 * Exit transition: 1.07/1.10 * Postcondition : 1 <= 0 1.07/1.10 1.07/1.10 LOG: CALL solveLinear 1.07/1.10 1.07/1.10 LOG: RETURN solveLinear - Elapsed time: 0.001838s 1.07/1.10 > Postcondition is not implied! 1.07/1.10 1.07/1.10 LOG: RETURN check - Elapsed time: 0.001925s 1.07/1.10 Cannot prove unreachability 1.07/1.10 1.07/1.10 Proving non-termination of subgraph 1 1.07/1.10 Transitions: 1.07/1.10 1 + i^0, rest remain the same}> 1.07/1.10 1 + i^0, rest remain the same}> 1.07/1.10 1 + undef9, rest remain the same}> 1.07/1.10 Variables: 1.07/1.10 i^0 1.07/1.10 1.07/1.10 Checking conditional non-termination of SCC {l3}... 1.07/1.10 EXIT TRANSITIONS: 1.07/1.10 1.07/1.10 1.07/1.10 Solving with 1 template(s). 1.07/1.10 1.07/1.10 LOG: CALL solveNonLinearGetFirstSolution 1.07/1.10 1.07/1.10 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.020626s 1.07/1.10 Time used: 0.020486 1.07/1.10 1.07/1.10 LOG: SAT solveNonLinear - Elapsed time: 0.020626s 1.07/1.10 Cost: 0; Total time: 0.020486 1.07/1.10 Minimizing number of undef constraints... 1.07/1.10 1.07/1.10 LOG: CALL solveNonLinear 1.07/1.10 1.07/1.10 LOG: RETURN solveNonLinear - Elapsed time: 0.002980s 1.07/1.10 Number of undef constraints reduced! 1.07/1.10 1.07/1.10 Non-termination implied by a set of quasi-invariant(s): 1.07/1.10 Quasi-invariant at l3: i^0 <= 5 1.07/1.10 Constraint over undef 'undef9 <= 0' in transition: 1.07/1.10 1 + undef9, rest remain the same}> 1.07/1.10 1.07/1.10 Strengthening and disabling EXIT transitions... 1.07/1.10 Closed exits from l3: 1 1.07/1.10 1.07/1.10 Strengthening and disabling transitions... 1.07/1.10 1.07/1.10 LOG: CALL solverLinear in Graph for feasibility 1.07/1.10 1.07/1.10 LOG: RETURN solveLinear in Graph for feasibility 1.07/1.10 It's unfeasible. Removing transition: 1.07/1.10 1 + i^0, rest remain the same}> 1.07/1.10 1.07/1.10 LOG: CALL solverLinear in Graph for feasibility 1.07/1.10 1.07/1.10 LOG: RETURN solveLinear in Graph for feasibility 1.07/1.10 Strengthening transition (result): 1.07/1.10 1 + i^0, rest remain the same}> 1.07/1.10 1.07/1.10 LOG: CALL solverLinear in Graph for feasibility 1.07/1.10 1.07/1.10 LOG: RETURN solveLinear in Graph for feasibility 1.07/1.10 Strengthening transition (result): 1.07/1.10 1 + undef9, rest remain the same}> 1.07/1.10 1.07/1.10 Calling reachability with... 1.07/1.10 Transition: 1.07/1.10 Conditions: i^0 <= 5, 1.07/1.10 OPEN EXITS: 1.07/1.10 1.07/1.10 1.07/1.10 --- Reachability graph --- 1.07/1.10 > Graph without transitions. 1.07/1.10 1.07/1.10 Calling reachability with... 1.07/1.10 Transition: 1.07/1.10 Conditions: i^0 <= 5, 1.07/1.10 OPEN EXITS: 1.07/1.10 1.07/1.10 1.07/1.10 > Conditions are reachable! 1.07/1.10 1.07/1.10 Program does NOT terminate 1.07/1.10 /export/starexec/sandbox/solver/bin/starexec_run_termcomp2019_ITS: line 26: delete: command not found 1.07/1.10 /export/starexec/sandbox/solver/bin/starexec_run_termcomp2019_ITS: line 27: edit: command not found 1.07/1.10 EOF