18.18/18.23 NO 18.18/18.23 18.18/18.23 Solver Timeout: 4 18.18/18.23 Global Timeout: 300 18.18/18.23 No parsing errors! 18.18/18.23 Init Location: 0 18.18/18.23 Transitions: 18.18/18.23 18.18/18.23 0) /\ (arg2 > ~(1)), par{arg1 -> arg2, arg2 -> undef2}> 18.18/18.23 0), par{arg1 -> (arg1 + 1), arg2 -> undef4}> 18.18/18.23 (arg1 - 1), arg2 -> undef6}> 18.18/18.23 undef7, arg2 -> undef8}> 18.18/18.23 18.18/18.23 Fresh variables: 18.18/18.23 undef2, undef4, undef6, undef7, undef8, 18.18/18.23 18.18/18.23 Undef variables: 18.18/18.23 undef2, undef4, undef6, undef7, undef8, 18.18/18.23 18.18/18.23 Abstraction variables: 18.18/18.23 18.18/18.23 Exit nodes: 18.18/18.23 18.18/18.23 Accepting locations: 18.18/18.23 18.18/18.23 Asserts: 18.18/18.23 18.18/18.23 Preprocessed LLVMGraph 18.18/18.23 Init Location: 0 18.18/18.23 Transitions: 18.18/18.23 0) /\ (undef8 > ~(1))> 18.18/18.23 0), par{arg1 -> (arg1 + 1)}> 18.18/18.23 (arg1 - 1)}> 18.18/18.23 18.18/18.23 Fresh variables: 18.18/18.23 undef2, undef4, undef6, undef7, undef8, 18.18/18.23 18.18/18.23 Undef variables: 18.18/18.23 undef2, undef4, undef6, undef7, undef8, 18.18/18.23 18.18/18.23 Abstraction variables: 18.18/18.23 18.18/18.23 Exit nodes: 18.18/18.23 18.18/18.23 Accepting locations: 18.18/18.23 18.18/18.23 Asserts: 18.18/18.23 18.18/18.23 ************************************************************* 18.18/18.23 ******************************************************************************************* 18.18/18.23 *********************** WORKING TRANSITION SYSTEM (DAG) *********************** 18.18/18.23 ******************************************************************************************* 18.18/18.23 18.18/18.23 Init Location: 0 18.18/18.23 Graph 0: 18.18/18.23 Transitions: 18.18/18.23 Variables: 18.18/18.23 18.18/18.23 Graph 1: 18.18/18.23 Transitions: 18.18/18.23 1 + arg1, rest remain the same}> 18.18/18.23 -1 + arg1, rest remain the same}> 18.18/18.23 Variables: 18.18/18.23 arg1 18.18/18.23 18.18/18.23 Precedence: 18.18/18.23 Graph 0 18.18/18.23 18.18/18.23 Graph 1 18.18/18.23 18.18/18.23 18.18/18.23 Map Locations to Subgraph: 18.18/18.23 ( 0 , 0 ) 18.18/18.23 ( 2 , 1 ) 18.18/18.23 18.18/18.23 ******************************************************************************************* 18.18/18.23 ******************************** CHECKING ASSERTIONS ******************************** 18.18/18.23 ******************************************************************************************* 18.18/18.23 18.18/18.23 Proving termination of subgraph 0 18.18/18.23 Proving termination of subgraph 1 18.18/18.23 Checking unfeasibility... 18.18/18.23 Time used: 0.002664 18.18/18.23 18.18/18.23 Checking conditional termination of SCC {l2}... 18.18/18.23 18.18/18.23 LOG: CALL solveLinear 18.18/18.23 18.18/18.23 LOG: RETURN solveLinear - Elapsed time: 0.000879s 18.18/18.23 18.18/18.23 LOG: CALL solveLinear 18.18/18.23 18.18/18.23 LOG: RETURN solveLinear - Elapsed time: 0.002655s 18.18/18.23 Trying to remove transition: -1 + arg1, rest remain the same}> 18.18/18.23 Solving with 1 template(s). 18.18/18.23 18.18/18.23 LOG: CALL solveNonLinearGetFirstSolution 18.18/18.23 18.18/18.23 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.004633s 18.18/18.23 Time used: 0.004469 18.18/18.23 Trying to remove transition: 1 + arg1, rest remain the same}> 18.18/18.23 Solving with 1 template(s). 18.18/18.23 18.18/18.23 LOG: CALL solveNonLinearGetFirstSolution 18.18/18.23 18.18/18.23 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.004557s 18.18/18.23 Time used: 0.004284 18.18/18.23 Solving with 1 template(s). 18.18/18.23 18.18/18.23 LOG: CALL solveNonLinearGetFirstSolution 18.18/18.23 18.18/18.23 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.010217s 18.18/18.23 Time used: 0.009837 18.18/18.23 Improving Solution with cost 1 ... 18.18/18.23 18.18/18.23 LOG: CALL solveNonLinearGetNextSolution 18.18/18.23 18.18/18.23 LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.037604s 18.18/18.23 Time used: 0.037598 18.18/18.23 18.18/18.23 LOG: SAT solveNonLinear - Elapsed time: 0.047821s 18.18/18.23 Cost: 1; Total time: 0.047435 18.18/18.23 Failed at location 2: 1 <= arg1 18.18/18.23 Before Improving: 18.18/18.23 Quasi-invariant at l2: 1 <= arg1 18.18/18.23 Optimizing invariants... 18.18/18.23 18.18/18.23 LOG: CALL solveLinear 18.18/18.23 18.18/18.23 LOG: RETURN solveLinear - Elapsed time: 0.004056s 18.18/18.23 Remaining time after improvement: 0.99853 18.18/18.23 Termination implied by a set of quasi-invariant(s): 18.18/18.23 Quasi-invariant at l2: 1 <= arg1 18.18/18.23 [ Invariant Graph ] 18.18/18.23 Strengthening and disabling transitions... 18.18/18.23 18.18/18.23 LOG: CALL solverLinear in Graph for feasibility 18.18/18.23 18.18/18.23 LOG: RETURN solveLinear in Graph for feasibility 18.18/18.23 Strengthening transition (result): 18.18/18.23 1 + arg1, rest remain the same}> 18.18/18.23 18.18/18.23 LOG: CALL solverLinear in Graph for feasibility 18.18/18.23 18.18/18.23 LOG: RETURN solveLinear in Graph for feasibility 18.18/18.23 It's unfeasible. Removing transition: 18.18/18.23 -1 + arg1, rest remain the same}> 18.18/18.23 [ Termination Graph ] 18.18/18.23 Strengthening and disabling transitions... 18.18/18.23 18.18/18.23 LOG: CALL solverLinear in Graph for feasibility 18.18/18.23 18.18/18.23 LOG: RETURN solveLinear in Graph for feasibility 18.18/18.23 Strengthening transition (result): 18.18/18.23 1 + arg1, rest remain the same}> 18.18/18.23 18.18/18.23 LOG: CALL solverLinear in Graph for feasibility 18.18/18.23 18.18/18.23 LOG: RETURN solveLinear in Graph for feasibility 18.18/18.23 It's unfeasible. Removing transition: 18.18/18.23 -1 + arg1, rest remain the same}> 18.18/18.23 New Graphs: 18.18/18.23 Transitions: 18.18/18.23 1 + arg1, rest remain the same}> 18.18/18.23 Variables: 18.18/18.23 arg1 18.18/18.23 Checking conditional termination of SCC {l2}... 18.18/18.23 18.18/18.23 LOG: CALL solveLinear 18.18/18.23 18.18/18.23 LOG: RETURN solveLinear - Elapsed time: 0.000503s 18.18/18.23 18.18/18.23 LOG: CALL solveLinear 18.18/18.23 18.18/18.23 LOG: RETURN solveLinear - Elapsed time: 0.001300s 18.18/18.23 Trying to remove transition: 1 + arg1, rest remain the same}> 18.18/18.23 Solving with 1 template(s). 18.18/18.23 18.18/18.23 LOG: CALL solveNonLinearGetFirstSolution 18.18/18.23 18.18/18.23 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.003415s 18.18/18.23 Time used: 0.003292 18.18/18.23 Solving with 1 template(s). 18.18/18.23 18.18/18.23 LOG: CALL solveNonLinearGetFirstSolution 18.18/18.23 18.18/18.23 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.001357s 18.18/18.23 Time used: 4.00088 18.18/18.23 Solving with 2 template(s). 18.18/18.23 18.18/18.23 LOG: CALL solveNonLinearGetFirstSolution 18.18/18.23 18.18/18.23 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.005888s 18.18/18.23 Time used: 4.00082 18.18/18.23 Solving with 3 template(s). 18.18/18.23 18.18/18.23 LOG: CALL solveNonLinearGetFirstSolution 18.18/18.23 18.18/18.23 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 1.005713s 18.18/18.23 Time used: 1.00067 18.18/18.23 Solving with 1 template(s). 18.18/18.23 18.18/18.23 LOG: CALL solveNonLinearGetFirstSolution 18.18/18.23 18.18/18.23 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.008007s 18.18/18.23 Time used: 0.005159 18.18/18.23 Improving Solution with cost 1 ... 18.18/18.23 18.18/18.23 LOG: CALL solveNonLinearGetNextSolution 18.18/18.23 18.18/18.23 LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.012328s 18.18/18.23 Time used: 0.012324 18.18/18.23 18.18/18.23 LOG: SAT solveNonLinear - Elapsed time: 0.020335s 18.18/18.23 Cost: 1; Total time: 0.017483 18.18/18.23 Quasi-ranking function: 50000 - arg1 18.18/18.23 New Graphs: 18.18/18.23 Transitions: 18.18/18.23 1 + arg1, rest remain the same}> 18.18/18.23 Variables: 18.18/18.23 arg1 18.18/18.23 Checking conditional termination of SCC {l2}... 18.18/18.23 18.18/18.23 LOG: CALL solveLinear 18.18/18.23 18.18/18.23 LOG: RETURN solveLinear - Elapsed time: 0.000409s 18.18/18.23 18.18/18.23 LOG: CALL solveLinear 18.18/18.23 18.18/18.23 LOG: RETURN solveLinear - Elapsed time: 0.001237s 18.18/18.23 Trying to remove transition: 1 + arg1, rest remain the same}> 18.18/18.23 Solving with 1 template(s). 18.18/18.23 18.18/18.23 LOG: CALL solveNonLinearGetFirstSolution 18.18/18.23 18.18/18.23 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.003601s 18.18/18.23 Time used: 0.003474 18.18/18.23 Solving with 1 template(s). 18.18/18.23 18.18/18.23 LOG: CALL solveNonLinearGetFirstSolution 18.18/18.23 18.18/18.23 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.001916s 18.18/18.23 Time used: 4.00138 18.18/18.23 Solving with 2 template(s). 18.18/18.23 18.18/18.23 LOG: CALL solveNonLinearGetFirstSolution 18.18/18.23 18.18/18.23 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.006137s 18.18/18.23 Time used: 4.00088 18.18/18.23 Solving with 3 template(s). 18.18/18.23 18.18/18.23 LOG: CALL solveNonLinearGetFirstSolution 18.18/18.23 18.18/18.23 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 1.005848s 18.18/18.23 Time used: 1.00093 18.18/18.23 Solving with 1 template(s). 18.18/18.23 18.18/18.23 LOG: CALL solveNonLinearGetFirstSolution 18.18/18.23 18.18/18.23 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.007851s 18.18/18.23 Time used: 0.00465 18.18/18.23 Termination failed. Trying to show unreachability... 18.18/18.23 Proving unreachability of entry: 18.18/18.23 18.18/18.23 LOG: CALL check - Post:1 <= 0 - Process 1 18.18/18.23 * Exit transition: 18.18/18.23 * Postcondition : 1 <= 0 18.18/18.23 18.18/18.23 LOG: CALL solveLinear 18.18/18.23 18.18/18.23 LOG: RETURN solveLinear - Elapsed time: 0.000947s 18.18/18.23 > Postcondition is not implied! 18.18/18.23 18.18/18.23 LOG: RETURN check - Elapsed time: 0.001041s 18.18/18.23 Cannot prove unreachability 18.18/18.23 18.18/18.23 Proving non-termination of subgraph 1 18.18/18.23 Transitions: 18.18/18.23 1 + arg1, rest remain the same}> 18.18/18.23 -1 + arg1, rest remain the same}> 18.18/18.23 Variables: 18.18/18.23 arg1 18.18/18.23 18.18/18.23 Checking conditional non-termination of SCC {l2}... 18.18/18.23 > No exit transition to close. 18.18/18.23 Calling reachability with... 18.18/18.23 Transition: 18.18/18.23 Conditions: 18.18/18.23 OPEN EXITS: 18.18/18.23 18.18/18.23 18.18/18.23 --- Reachability graph --- 18.18/18.23 > Graph without transitions. 18.18/18.23 18.18/18.23 Calling reachability with... 18.18/18.23 Transition: 18.18/18.23 Conditions: 18.18/18.23 OPEN EXITS: 18.18/18.23 18.18/18.23 18.18/18.23 > Conditions are reachable! 18.18/18.23 18.18/18.23 Program does NOT terminate 18.18/18.23 /export/starexec/sandbox/solver/bin/starexec_run_termcomp2019_ITS: line 26: delete: command not found 18.18/18.23 /export/starexec/sandbox/solver/bin/starexec_run_termcomp2019_ITS: line 27: edit: command not found 18.18/18.23 EOF