5.07/5.11 NO 5.07/5.11 5.07/5.11 Solver Timeout: 4 5.07/5.11 Global Timeout: 300 5.07/5.11 No parsing errors! 5.07/5.11 Init Location: 0 5.07/5.11 Transitions: 5.07/5.11 5.07/5.11 0) /\ (arg2 > ~(1)), par{arg1 -> arg2, arg2 -> undef2}> 5.07/5.11 9), par{arg2 -> undef4}> 5.07/5.11 5), par{arg1 -> (arg1 - 1), arg2 -> undef6}> 5.07/5.11 undef7, arg2 -> undef8}> 5.07/5.11 5.07/5.11 Fresh variables: 5.07/5.11 undef2, undef4, undef6, undef7, undef8, 5.07/5.11 5.07/5.11 Undef variables: 5.07/5.11 undef2, undef4, undef6, undef7, undef8, 5.07/5.11 5.07/5.11 Abstraction variables: 5.07/5.11 5.07/5.11 Exit nodes: 5.07/5.11 5.07/5.11 Accepting locations: 5.07/5.11 5.07/5.11 Asserts: 5.07/5.11 5.07/5.11 Preprocessed LLVMGraph 5.07/5.11 Init Location: 0 5.07/5.11 Transitions: 5.07/5.11 0) /\ (undef8 > ~(1))> 5.07/5.11 9)> 5.07/5.11 5), par{arg1 -> (arg1 - 1)}> 5.07/5.11 5.07/5.11 Fresh variables: 5.07/5.11 undef2, undef4, undef6, undef7, undef8, 5.07/5.11 5.07/5.11 Undef variables: 5.07/5.11 undef2, undef4, undef6, undef7, undef8, 5.07/5.11 5.07/5.11 Abstraction variables: 5.07/5.11 5.07/5.11 Exit nodes: 5.07/5.11 5.07/5.11 Accepting locations: 5.07/5.11 5.07/5.11 Asserts: 5.07/5.11 5.07/5.11 ************************************************************* 5.07/5.11 ******************************************************************************************* 5.07/5.11 *********************** WORKING TRANSITION SYSTEM (DAG) *********************** 5.07/5.11 ******************************************************************************************* 5.07/5.11 5.07/5.11 Init Location: 0 5.07/5.11 Graph 0: 5.07/5.11 Transitions: 5.07/5.11 Variables: 5.07/5.11 5.07/5.11 Graph 1: 5.07/5.11 Transitions: 5.07/5.11 5.07/5.11 -1 + arg1, rest remain the same}> 5.07/5.11 Variables: 5.07/5.11 arg1 5.07/5.11 5.07/5.11 Precedence: 5.07/5.11 Graph 0 5.07/5.11 5.07/5.11 Graph 1 5.07/5.11 5.07/5.11 5.07/5.11 Map Locations to Subgraph: 5.07/5.11 ( 0 , 0 ) 5.07/5.11 ( 2 , 1 ) 5.07/5.11 5.07/5.11 ******************************************************************************************* 5.07/5.11 ******************************** CHECKING ASSERTIONS ******************************** 5.07/5.11 ******************************************************************************************* 5.07/5.11 5.07/5.11 Proving termination of subgraph 0 5.07/5.11 Proving termination of subgraph 1 5.07/5.11 Checking unfeasibility... 5.07/5.11 Time used: 0.002905 5.07/5.11 5.07/5.11 Checking conditional termination of SCC {l2}... 5.07/5.11 5.07/5.11 LOG: CALL solveLinear 5.07/5.11 5.07/5.11 LOG: RETURN solveLinear - Elapsed time: 0.000660s 5.07/5.11 Ranking function: -6 + arg1 5.07/5.11 New Graphs: 5.07/5.11 Transitions: 5.07/5.11 5.07/5.11 Variables: 5.07/5.11 arg1 5.07/5.11 > No variable changes in termination graph. 5.07/5.11 Checking conditional unfeasibility... 5.07/5.11 Calling Safety with literal arg1 <= 9 and entry 5.07/5.11 5.07/5.11 LOG: CALL check - Post:arg1 <= 9 - Process 1 5.07/5.11 * Exit transition: 5.07/5.11 * Postcondition : arg1 <= 9 5.07/5.11 Quasi-invariants: 5.07/5.11 Location 2: arg1 <= 9 ; 5.07/5.11 Postcondition: arg1 <= 9 5.07/5.11 5.07/5.11 LOG: CALL check - Post:arg1 <= 9 - Process 2 5.07/5.11 * Exit transition: 5.07/5.11 * Postcondition : arg1 <= 9 5.07/5.11 5.07/5.11 LOG: CALL solveLinear 5.07/5.11 5.07/5.11 LOG: RETURN solveLinear - Elapsed time: 0.000392s 5.07/5.11 > Postcondition is not implied! 5.07/5.11 5.07/5.11 LOG: RETURN check - Elapsed time: 0.000482s 5.07/5.11 5.07/5.11 LOG: NarrowEntry size 1 5.07/5.11 Narrowing transition: 5.07/5.11 5.07/5.11 5.07/5.11 LOG: Narrow transition size 1 5.07/5.11 It's unfeasible. Removing transition: 5.07/5.11 -1 + arg1, rest remain the same}> 5.07/5.11 ENTRIES: 5.07/5.11 5.07/5.11 END ENTRIES: 5.07/5.11 GRAPH: 5.07/5.11 5.07/5.11 END GRAPH: 5.07/5.11 EXIT: 5.07/5.11 POST: arg1 <= 9 5.07/5.11 5.07/5.11 5.07/5.11 LOG: Try proving POST 5.07/5.11 Solving with 1 template(s). 5.07/5.11 5.07/5.11 LOG: CALL solveNonLinearGetFirstSolution 5.07/5.11 5.07/5.11 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.008121s 5.07/5.11 Time used: 0.008021 5.07/5.11 Solving with 2 template(s). 5.07/5.11 5.07/5.11 LOG: CALL solveNonLinearGetFirstSolution 5.07/5.11 5.07/5.11 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.001297s 5.07/5.11 Time used: 4.00062 5.07/5.11 Solving with 3 template(s). 5.07/5.11 5.07/5.11 LOG: CALL solveNonLinearGetFirstSolution 5.07/5.11 5.07/5.11 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 1.007123s 5.07/5.11 Time used: 1.00044 5.07/5.11 5.07/5.11 LOG: Postcondition is not implied - no solution 5.07/5.11 > Postcondition is not implied! 5.07/5.11 5.07/5.11 LOG: RETURN check - Elapsed time: 5.041280s 5.07/5.11 5.07/5.11 Proving non-termination of subgraph 1 5.07/5.11 Transitions: 5.07/5.11 5.07/5.11 -1 + arg1, rest remain the same}> 5.07/5.11 Variables: 5.07/5.11 arg1 5.07/5.11 5.07/5.11 Checking conditional non-termination of SCC {l2}... 5.07/5.11 EXIT TRANSITIONS: 5.07/5.11 5.07/5.11 5.07/5.11 Solving with 1 template(s). 5.07/5.11 5.07/5.11 LOG: CALL solveNonLinearGetFirstSolution 5.07/5.11 5.07/5.11 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.011743s 5.07/5.11 Time used: 0.01157 5.07/5.11 Improving Solution with cost 1 ... 5.07/5.11 5.07/5.11 LOG: CALL solveNonLinearGetNextSolution 5.07/5.11 5.07/5.11 LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.007165s 5.07/5.11 Time used: 0.00716 5.07/5.11 5.07/5.11 LOG: SAT solveNonLinear - Elapsed time: 0.018909s 5.07/5.11 Cost: 1; Total time: 0.01873 5.07/5.11 Failed at location 2: 10 <= arg1 5.07/5.11 Before Improving: 5.07/5.11 Quasi-invariant at l2: 10 <= arg1 5.07/5.11 Optimizing invariants... 5.07/5.11 5.07/5.11 LOG: CALL solveLinear 5.07/5.11 5.07/5.11 LOG: RETURN solveLinear - Elapsed time: 0.001744s 5.07/5.11 Remaining time after improvement: 0.999135 5.07/5.11 Non-termination implied by a set of quasi-invariant(s): 5.07/5.11 Quasi-invariant at l2: 10 <= arg1 5.07/5.11 5.07/5.11 Strengthening and disabling EXIT transitions... 5.07/5.11 Closed exits from l2: 1 5.07/5.11 5.07/5.11 Strengthening and disabling transitions... 5.07/5.11 5.07/5.11 LOG: CALL solverLinear in Graph for feasibility 5.07/5.11 5.07/5.11 LOG: RETURN solveLinear in Graph for feasibility 5.07/5.11 Strengthening transition (result): 5.07/5.11 5.07/5.11 5.07/5.11 LOG: CALL solverLinear in Graph for feasibility 5.07/5.11 5.07/5.11 LOG: RETURN solveLinear in Graph for feasibility 5.07/5.11 It's unfeasible. Removing transition: 5.07/5.11 -1 + arg1, rest remain the same}> 5.07/5.11 5.07/5.11 Calling reachability with... 5.07/5.11 Transition: 5.07/5.11 Conditions: 10 <= arg1, 5.07/5.11 OPEN EXITS: 5.07/5.11 5.07/5.11 5.07/5.11 --- Reachability graph --- 5.07/5.11 > Graph without transitions. 5.07/5.11 5.07/5.11 Calling reachability with... 5.07/5.11 Transition: 5.07/5.11 Conditions: 10 <= arg1, 5.07/5.11 OPEN EXITS: 5.07/5.11 5.07/5.11 5.07/5.11 > Conditions are reachable! 5.07/5.11 5.07/5.11 Program does NOT terminate 5.07/5.11 /export/starexec/sandbox/solver/bin/starexec_run_termcomp2019_ITS: line 26: delete: command not found 5.07/5.11 /export/starexec/sandbox/solver/bin/starexec_run_termcomp2019_ITS: line 27: edit: command not found 5.07/5.11 EOF