18.09/18.17 NO 18.09/18.17 18.09/18.17 Solver Timeout: 4 18.09/18.17 Global Timeout: 300 18.09/18.17 No parsing errors! 18.09/18.17 Init Location: 0 18.09/18.17 Transitions: 18.09/18.17 18.09/18.17 0) /\ (arg2 > ~(1)), par{arg1 -> arg2, arg2 -> undef2}> 18.09/18.17 0), par{arg1 -> (arg1 + 1), arg2 -> undef4}> 18.09/18.17 undef5, arg2 -> undef6}> 18.09/18.17 18.09/18.17 Fresh variables: 18.09/18.17 undef2, undef4, undef5, undef6, 18.09/18.17 18.09/18.17 Undef variables: 18.09/18.17 undef2, undef4, undef5, undef6, 18.09/18.17 18.09/18.17 Abstraction variables: 18.09/18.17 18.09/18.17 Exit nodes: 18.09/18.17 18.09/18.17 Accepting locations: 18.09/18.17 18.09/18.17 Asserts: 18.09/18.17 18.09/18.17 Preprocessed LLVMGraph 18.09/18.17 Init Location: 0 18.09/18.17 Transitions: 18.09/18.17 0) /\ (undef6 > ~(1))> 18.09/18.17 0), par{arg1 -> (arg1 + 1)}> 18.09/18.17 18.09/18.17 Fresh variables: 18.09/18.17 undef2, undef4, undef5, undef6, 18.09/18.17 18.09/18.17 Undef variables: 18.09/18.17 undef2, undef4, undef5, undef6, 18.09/18.17 18.09/18.17 Abstraction variables: 18.09/18.17 18.09/18.17 Exit nodes: 18.09/18.17 18.09/18.17 Accepting locations: 18.09/18.17 18.09/18.17 Asserts: 18.09/18.17 18.09/18.17 ************************************************************* 18.09/18.17 ******************************************************************************************* 18.09/18.17 *********************** WORKING TRANSITION SYSTEM (DAG) *********************** 18.09/18.17 ******************************************************************************************* 18.09/18.17 18.09/18.17 Init Location: 0 18.09/18.17 Graph 0: 18.09/18.17 Transitions: 18.09/18.17 Variables: 18.09/18.17 18.09/18.17 Graph 1: 18.09/18.17 Transitions: 18.09/18.17 1 + arg1, rest remain the same}> 18.09/18.17 Variables: 18.09/18.17 arg1 18.09/18.17 18.09/18.17 Precedence: 18.09/18.17 Graph 0 18.09/18.17 18.09/18.17 Graph 1 18.09/18.17 18.09/18.17 18.09/18.17 Map Locations to Subgraph: 18.09/18.17 ( 0 , 0 ) 18.09/18.17 ( 2 , 1 ) 18.09/18.17 18.09/18.17 ******************************************************************************************* 18.09/18.17 ******************************** CHECKING ASSERTIONS ******************************** 18.09/18.17 ******************************************************************************************* 18.09/18.17 18.09/18.17 Proving termination of subgraph 0 18.09/18.17 Proving termination of subgraph 1 18.09/18.17 Checking unfeasibility... 18.09/18.17 Time used: 0.001704 18.09/18.17 18.09/18.17 Checking conditional termination of SCC {l2}... 18.09/18.17 18.09/18.17 LOG: CALL solveLinear 18.09/18.17 18.09/18.17 LOG: RETURN solveLinear - Elapsed time: 0.000559s 18.09/18.17 18.09/18.17 LOG: CALL solveLinear 18.09/18.17 18.09/18.17 LOG: RETURN solveLinear - Elapsed time: 0.001291s 18.09/18.17 Trying to remove transition: 1 + arg1, rest remain the same}> 18.09/18.17 Solving with 1 template(s). 18.09/18.17 18.09/18.17 LOG: CALL solveNonLinearGetFirstSolution 18.09/18.17 18.09/18.17 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.003716s 18.09/18.17 Time used: 0.003596 18.09/18.17 Solving with 1 template(s). 18.09/18.17 18.09/18.17 LOG: CALL solveNonLinearGetFirstSolution 18.09/18.17 18.09/18.17 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.005117s 18.09/18.17 Time used: 0.00485 18.09/18.17 Improving Solution with cost 1 ... 18.09/18.17 18.09/18.17 LOG: CALL solveNonLinearGetNextSolution 18.09/18.17 18.09/18.17 LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.014786s 18.09/18.17 Time used: 0.014781 18.09/18.17 18.09/18.17 LOG: SAT solveNonLinear - Elapsed time: 0.019902s 18.09/18.17 Cost: 1; Total time: 0.019631 18.09/18.17 Failed at location 2: arg1 <= 0 18.09/18.17 Before Improving: 18.09/18.17 Quasi-invariant at l2: arg1 <= 0 18.09/18.17 Optimizing invariants... 18.09/18.17 18.09/18.17 LOG: CALL solveLinear 18.09/18.17 18.09/18.17 LOG: RETURN solveLinear - Elapsed time: 0.001473s 18.09/18.17 Remaining time after improvement: 0.999264 18.09/18.17 Termination implied by a set of quasi-invariant(s): 18.09/18.17 Quasi-invariant at l2: arg1 <= 0 18.09/18.17 [ Invariant Graph ] 18.09/18.17 Strengthening and disabling transitions... 18.09/18.17 18.09/18.17 LOG: CALL solverLinear in Graph for feasibility 18.09/18.17 18.09/18.17 LOG: RETURN solveLinear in Graph for feasibility 18.09/18.17 It's unfeasible. Removing transition: 18.09/18.17 1 + arg1, rest remain the same}> 18.09/18.17 [ Termination Graph ] 18.09/18.17 Strengthening and disabling transitions... 18.09/18.17 18.09/18.17 LOG: CALL solverLinear in Graph for feasibility 18.09/18.17 18.09/18.17 LOG: RETURN solveLinear in Graph for feasibility 18.09/18.17 It's unfeasible. Removing transition: 18.09/18.17 1 + arg1, rest remain the same}> 18.09/18.17 New Graphs: 18.09/18.17 Calling Safety with literal arg1 <= 0 and entry 18.09/18.17 18.09/18.17 LOG: CALL check - Post:arg1 <= 0 - Process 1 18.09/18.17 * Exit transition: 18.09/18.17 * Postcondition : arg1 <= 0 18.09/18.17 18.09/18.17 LOG: CALL solveLinear 18.09/18.17 18.09/18.17 LOG: RETURN solveLinear - Elapsed time: 0.000431s 18.09/18.17 > Postcondition is not implied! 18.09/18.17 18.09/18.17 LOG: RETURN check - Elapsed time: 0.000523s 18.09/18.17 INVARIANTS: 18.09/18.17 2: 18.09/18.17 Quasi-INVARIANTS to narrow Graph: 18.09/18.17 2: arg1 <= 0 , 18.09/18.17 Narrowing transition: 18.09/18.17 1 + arg1, rest remain the same}> 18.09/18.17 18.09/18.17 LOG: Narrow transition size 1 18.09/18.17 invGraph after Narrowing: 18.09/18.17 Transitions: 18.09/18.17 1 + arg1, rest remain the same}> 18.09/18.17 Variables: 18.09/18.17 arg1 18.09/18.17 Checking conditional termination of SCC {l2}... 18.09/18.17 18.09/18.17 LOG: CALL solveLinear 18.09/18.17 18.09/18.17 LOG: RETURN solveLinear - Elapsed time: 0.000493s 18.09/18.17 18.09/18.17 LOG: CALL solveLinear 18.09/18.17 18.09/18.17 LOG: RETURN solveLinear - Elapsed time: 0.001261s 18.09/18.17 Trying to remove transition: 1 + arg1, rest remain the same}> 18.09/18.17 Solving with 1 template(s). 18.09/18.17 18.09/18.17 LOG: CALL solveNonLinearGetFirstSolution 18.09/18.17 18.09/18.17 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.003352s 18.09/18.17 Time used: 0.00323 18.09/18.17 Solving with 1 template(s). 18.09/18.17 18.09/18.17 LOG: CALL solveNonLinearGetFirstSolution 18.09/18.17 18.09/18.17 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.001124s 18.09/18.17 Time used: 4.00078 18.09/18.17 Solving with 2 template(s). 18.09/18.17 18.09/18.17 LOG: CALL solveNonLinearGetFirstSolution 18.09/18.17 18.09/18.17 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.005408s 18.09/18.17 Time used: 4.00066 18.09/18.17 Solving with 3 template(s). 18.09/18.17 18.09/18.17 LOG: CALL solveNonLinearGetFirstSolution 18.09/18.17 18.09/18.17 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 1.005318s 18.09/18.17 Time used: 1.00051 18.09/18.17 Solving with 1 template(s). 18.09/18.17 18.09/18.17 LOG: CALL solveNonLinearGetFirstSolution 18.09/18.17 18.09/18.17 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.008037s 18.09/18.17 Time used: 0.005007 18.09/18.17 Improving Solution with cost 1 ... 18.09/18.17 18.09/18.17 LOG: CALL solveNonLinearGetNextSolution 18.09/18.17 18.09/18.17 LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.011899s 18.09/18.17 Time used: 0.011895 18.09/18.17 18.09/18.17 LOG: SAT solveNonLinear - Elapsed time: 0.019936s 18.09/18.17 Cost: 1; Total time: 0.016902 18.09/18.17 Quasi-ranking function: 50000 - arg1 18.09/18.17 New Graphs: 18.09/18.17 Transitions: 18.09/18.17 1 + arg1, rest remain the same}> 18.09/18.17 Variables: 18.09/18.17 arg1 18.09/18.17 Checking conditional termination of SCC {l2}... 18.09/18.17 18.09/18.17 LOG: CALL solveLinear 18.09/18.17 18.09/18.17 LOG: RETURN solveLinear - Elapsed time: 0.000395s 18.09/18.17 18.09/18.17 LOG: CALL solveLinear 18.09/18.17 18.09/18.17 LOG: RETURN solveLinear - Elapsed time: 0.001228s 18.09/18.17 Trying to remove transition: 1 + arg1, rest remain the same}> 18.09/18.17 Solving with 1 template(s). 18.09/18.17 18.09/18.17 LOG: CALL solveNonLinearGetFirstSolution 18.09/18.17 18.09/18.17 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.003584s 18.09/18.17 Time used: 0.003457 18.09/18.17 Solving with 1 template(s). 18.09/18.17 18.09/18.17 LOG: CALL solveNonLinearGetFirstSolution 18.09/18.17 18.09/18.17 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.001566s 18.09/18.17 Time used: 4.00126 18.09/18.17 Solving with 2 template(s). 18.09/18.17 18.09/18.17 LOG: CALL solveNonLinearGetFirstSolution 18.09/18.17 18.09/18.17 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.005944s 18.09/18.17 Time used: 4.00063 18.09/18.17 Solving with 3 template(s). 18.09/18.17 18.09/18.17 LOG: CALL solveNonLinearGetFirstSolution 18.09/18.17 18.09/18.17 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 1.006258s 18.09/18.17 Time used: 1.00084 18.09/18.17 Solving with 1 template(s). 18.09/18.17 18.09/18.17 LOG: CALL solveNonLinearGetFirstSolution 18.09/18.17 18.09/18.17 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.007977s 18.09/18.17 Time used: 0.00487 18.09/18.17 18.09/18.17 Proving non-termination of subgraph 1 18.09/18.17 Transitions: 18.09/18.17 1 + arg1, rest remain the same}> 18.09/18.17 Variables: 18.09/18.17 arg1 18.09/18.17 18.09/18.17 Checking conditional non-termination of SCC {l2}... 18.09/18.17 EXIT TRANSITIONS: 18.09/18.17 18.09/18.17 18.09/18.17 Solving with 1 template(s). 18.09/18.17 18.09/18.17 LOG: CALL solveNonLinearGetFirstSolution 18.09/18.17 18.09/18.17 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.003437s 18.09/18.17 Time used: 0.003281 18.09/18.17 Improving Solution with cost 1 ... 18.09/18.17 18.09/18.17 LOG: CALL solveNonLinearGetNextSolution 18.09/18.17 18.09/18.17 LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.004578s 18.09/18.17 Time used: 0.004573 18.09/18.17 18.09/18.17 LOG: SAT solveNonLinear - Elapsed time: 0.008015s 18.09/18.17 Cost: 1; Total time: 0.007854 18.09/18.17 Failed at location 2: 1 <= arg1 18.09/18.17 Before Improving: 18.09/18.17 Quasi-invariant at l2: 1 <= arg1 18.09/18.17 Optimizing invariants... 18.09/18.17 18.09/18.17 LOG: CALL solveLinear 18.09/18.17 18.09/18.17 LOG: RETURN solveLinear - Elapsed time: 0.001757s 18.09/18.17 Remaining time after improvement: 0.998834 18.09/18.17 Non-termination implied by a set of quasi-invariant(s): 18.09/18.17 Quasi-invariant at l2: 1 <= arg1 18.09/18.17 18.09/18.17 Strengthening and disabling EXIT transitions... 18.09/18.17 Closed exits from l2: 1 18.09/18.17 18.09/18.17 Strengthening and disabling transitions... 18.09/18.17 18.09/18.17 LOG: CALL solverLinear in Graph for feasibility 18.09/18.17 18.09/18.17 LOG: RETURN solveLinear in Graph for feasibility 18.09/18.17 Strengthening transition (result): 18.09/18.17 1 + arg1, rest remain the same}> 18.09/18.17 18.09/18.17 Calling reachability with... 18.09/18.17 Transition: 18.09/18.17 Conditions: 1 <= arg1, 18.09/18.17 OPEN EXITS: 18.09/18.17 18.09/18.17 18.09/18.17 --- Reachability graph --- 18.09/18.17 > Graph without transitions. 18.09/18.17 18.09/18.17 Calling reachability with... 18.09/18.17 Transition: 18.09/18.17 Conditions: 1 <= arg1, 18.09/18.17 OPEN EXITS: 18.09/18.17 18.09/18.17 18.09/18.17 > Conditions are reachable! 18.09/18.17 18.09/18.17 Program does NOT terminate 18.09/18.17 /export/starexec/sandbox2/solver/bin/starexec_run_termcomp2019_ITS: line 26: delete: command not found 18.09/18.17 /export/starexec/sandbox2/solver/bin/starexec_run_termcomp2019_ITS: line 27: edit: command not found 18.09/18.17 EOF