5.09/5.14 NO 5.09/5.14 5.09/5.14 Solver Timeout: 4 5.09/5.14 Global Timeout: 300 5.09/5.14 No parsing errors! 5.09/5.14 Init Location: 0 5.09/5.14 Transitions: 5.09/5.14 5.09/5.14 5.09/5.14 5.09/5.14 5.09/5.14 5.09/5.14 5.09/5.14 5.09/5.14 0, ___rho_1_^0 -> undef39, dobreak^0 -> (0 + undef39)}> 5.09/5.14 0, ___rho_2_^0 -> undef47, n^0 -> (0 + undef47)}> 5.09/5.14 5.09/5.14 0, R^0 -> 0, ___rho_1_^0 -> undef59, dobreak^0 -> (0 + undef59)}> 5.09/5.14 5.09/5.14 5.09/5.14 Fresh variables: 5.09/5.14 undef39, undef43, undef47, undef50, undef59, 5.09/5.14 5.09/5.14 Undef variables: 5.09/5.14 undef39, undef43, undef47, undef50, undef59, 5.09/5.14 5.09/5.14 Abstraction variables: 5.09/5.14 5.09/5.14 Exit nodes: 5.09/5.14 5.09/5.14 Accepting locations: 5.09/5.14 5.09/5.14 Asserts: 5.09/5.14 5.09/5.14 Preprocessed LLVMGraph 5.09/5.14 Init Location: 0 5.09/5.14 Transitions: 5.09/5.14 (0 + undef47)}> 5.09/5.14 5.09/5.14 5.09/5.14 (0 + undef47)}> 5.09/5.14 5.09/5.14 5.09/5.14 5.09/5.14 Fresh variables: 5.09/5.14 undef39, undef43, undef47, undef50, undef59, 5.09/5.14 5.09/5.14 Undef variables: 5.09/5.14 undef39, undef43, undef47, undef50, undef59, 5.09/5.14 5.09/5.14 Abstraction variables: 5.09/5.14 5.09/5.14 Exit nodes: 5.09/5.14 5.09/5.14 Accepting locations: 5.09/5.14 5.09/5.14 Asserts: 5.09/5.14 5.09/5.14 ************************************************************* 5.09/5.14 ******************************************************************************************* 5.09/5.14 *********************** WORKING TRANSITION SYSTEM (DAG) *********************** 5.09/5.14 ******************************************************************************************* 5.09/5.14 5.09/5.14 Init Location: 0 5.09/5.14 Graph 0: 5.09/5.14 Transitions: 5.09/5.14 Variables: 5.09/5.14 5.09/5.14 Graph 1: 5.09/5.14 Transitions: 5.09/5.14 5.09/5.14 undef47, rest remain the same}> 5.09/5.14 Variables: 5.09/5.14 n^0 5.09/5.14 5.09/5.14 Graph 2: 5.09/5.14 Transitions: 5.09/5.14 5.09/5.14 Variables: 5.09/5.14 5.09/5.14 Precedence: 5.09/5.14 Graph 0 5.09/5.14 5.09/5.14 Graph 1 5.09/5.14 undef47, rest remain the same}> 5.09/5.14 5.09/5.14 Graph 2 5.09/5.14 5.09/5.14 5.09/5.14 5.09/5.14 Map Locations to Subgraph: 5.09/5.14 ( 0 , 0 ) 5.09/5.14 ( 3 , 1 ) 5.09/5.14 ( 7 , 2 ) 5.09/5.14 5.09/5.14 ******************************************************************************************* 5.09/5.14 ******************************** CHECKING ASSERTIONS ******************************** 5.09/5.14 ******************************************************************************************* 5.09/5.14 5.09/5.14 Proving termination of subgraph 0 5.09/5.14 Proving termination of subgraph 1 5.09/5.14 Checking unfeasibility... 5.09/5.14 Time used: 0.002671 5.09/5.14 5.09/5.14 Checking conditional termination of SCC {l3}... 5.09/5.14 5.09/5.14 LOG: CALL solveLinear 5.09/5.14 5.09/5.14 LOG: RETURN solveLinear - Elapsed time: 0.000633s 5.09/5.14 5.09/5.14 LOG: CALL solveLinear 5.09/5.14 5.09/5.14 LOG: RETURN solveLinear - Elapsed time: 0.001946s 5.09/5.14 Trying to remove transition: undef47, rest remain the same}> 5.09/5.14 Solving with 1 template(s). 5.09/5.14 5.09/5.14 LOG: CALL solveNonLinearGetFirstSolution 5.09/5.14 5.09/5.14 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.004305s 5.09/5.14 Time used: 0.004139 5.09/5.14 Solving with 1 template(s). 5.09/5.14 5.09/5.14 LOG: CALL solveNonLinearGetFirstSolution 5.09/5.14 5.09/5.14 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.007384s 5.09/5.14 Time used: 0.007 5.09/5.14 Improving Solution with cost 1 ... 5.09/5.14 5.09/5.14 LOG: CALL solveNonLinearGetNextSolution 5.09/5.14 5.09/5.14 LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.017254s 5.09/5.14 Time used: 0.017248 5.09/5.14 5.09/5.14 LOG: SAT solveNonLinear - Elapsed time: 0.024638s 5.09/5.14 Cost: 1; Total time: 0.024248 5.09/5.14 Failed at location 3: 1 <= n^0 5.09/5.14 Before Improving: 5.09/5.14 Quasi-invariant at l3: 1 <= n^0 5.09/5.14 Optimizing invariants... 5.09/5.14 5.09/5.14 LOG: CALL solveLinear 5.09/5.14 5.09/5.14 LOG: RETURN solveLinear - Elapsed time: 0.003085s 5.09/5.14 Remaining time after improvement: 0.998547 5.09/5.14 Termination implied by a set of quasi-invariant(s): 5.09/5.14 Quasi-invariant at l3: 1 <= n^0 5.09/5.14 [ Invariant Graph ] 5.09/5.14 Strengthening and disabling transitions... 5.09/5.14 5.09/5.14 LOG: CALL solverLinear in Graph for feasibility 5.09/5.14 5.09/5.14 LOG: RETURN solveLinear in Graph for feasibility 5.09/5.14 Strengthening transition (result): 5.09/5.14 5.09/5.14 5.09/5.14 LOG: CALL solverLinear in Graph for feasibility 5.09/5.14 5.09/5.14 LOG: RETURN solveLinear in Graph for feasibility 5.09/5.14 It's unfeasible. Removing transition: 5.09/5.14 undef47, rest remain the same}> 5.09/5.14 [ Termination Graph ] 5.09/5.14 Strengthening and disabling transitions... 5.09/5.14 5.09/5.14 LOG: CALL solverLinear in Graph for feasibility 5.09/5.14 5.09/5.14 LOG: RETURN solveLinear in Graph for feasibility 5.09/5.14 Strengthening transition (result): 5.09/5.14 5.09/5.14 5.09/5.14 LOG: CALL solverLinear in Graph for feasibility 5.09/5.14 5.09/5.14 LOG: RETURN solveLinear in Graph for feasibility 5.09/5.14 It's unfeasible. Removing transition: 5.09/5.14 undef47, rest remain the same}> 5.09/5.14 New Graphs: 5.09/5.14 Transitions: 5.09/5.14 5.09/5.14 Variables: 5.09/5.14 n^0 5.09/5.14 > No variable changes in termination graph. 5.09/5.14 Checking conditional unfeasibility... 5.09/5.14 Calling Safety with literal n^0 <= 0 and entry 5.09/5.14 5.09/5.14 LOG: CALL check - Post:n^0 <= 0 - Process 1 5.09/5.14 * Exit transition: 5.09/5.14 * Postcondition : n^0 <= 0 5.09/5.14 Quasi-invariants: 5.09/5.14 Location 3: n^0 <= 0 ; undef47 <= 0 ; 5.09/5.14 Postcondition: n^0 <= 0 5.09/5.14 5.09/5.14 LOG: CALL check - Post:n^0 <= 0 - Process 2 5.09/5.14 * Exit transition: undef47, rest remain the same}> 5.09/5.14 * Postcondition : n^0 <= 0 5.09/5.14 5.09/5.14 LOG: CALL solveLinear 5.09/5.14 5.09/5.14 LOG: RETURN solveLinear - Elapsed time: 0.000360s 5.09/5.14 > Postcondition is not implied! 5.09/5.14 5.09/5.14 LOG: RETURN check - Elapsed time: 0.000443s 5.09/5.14 Postcondition: undef47 <= 0 5.09/5.14 5.09/5.14 LOG: CALL check - Post:undef47 <= 0 - Process 3 5.09/5.14 * Exit transition: undef47, rest remain the same}> 5.09/5.14 * Postcondition : undef47 <= 0 5.09/5.14 5.09/5.14 LOG: CALL solveLinear 5.09/5.14 5.09/5.14 LOG: RETURN solveLinear - Elapsed time: 0.000365s 5.09/5.14 > Postcondition is not implied! 5.09/5.14 5.09/5.14 LOG: RETURN check - Elapsed time: 0.000444s 5.09/5.14 5.09/5.14 LOG: NarrowEntry size 2 5.09/5.14 Narrowing transition: 5.09/5.14 5.09/5.14 5.09/5.14 LOG: Narrow transition size 2 5.09/5.14 Narrowing transition: 5.09/5.14 undef47, rest remain the same}> 5.09/5.14 5.09/5.14 LOG: Narrow transition size 2 5.09/5.14 ENTRIES: 5.09/5.14 undef47, rest remain the same}> 5.09/5.14 END ENTRIES: 5.09/5.14 GRAPH: 5.09/5.14 5.09/5.14 undef47, rest remain the same}> 5.09/5.14 END GRAPH: 5.09/5.14 EXIT: 5.09/5.14 POST: n^0 <= 0 5.09/5.14 5.09/5.14 5.09/5.14 LOG: Try proving POST 5.09/5.14 Solving with 1 template(s). 5.09/5.14 5.09/5.14 LOG: CALL solveNonLinearGetFirstSolution 5.09/5.14 5.09/5.14 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.004148s 5.09/5.14 Time used: 0.00398 5.09/5.14 Improving Solution with cost 50 ... 5.09/5.14 5.09/5.14 LOG: CALL solveNonLinearGetNextSolution 5.09/5.14 5.09/5.14 LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.008505s 5.09/5.14 Time used: 0.0085 5.09/5.14 5.09/5.14 LOG: SAT solveNonLinear - Elapsed time: 0.012653s 5.09/5.14 Cost: 50; Total time: 0.01248 5.09/5.14 Some transition disabled by a set of invariant(s): 5.09/5.14 Invariant at l3: 1 <= n^0 5.09/5.14 Strengthening and disabling transitions... 5.09/5.14 > It's unfeasible. Removing transition: 5.09/5.14 undef47, rest remain the same}> 5.09/5.14 5.09/5.14 LOG: CALL solverLinear in Graph for feasibility 5.09/5.14 5.09/5.14 LOG: RETURN solveLinear in Graph for feasibility 5.09/5.14 Strengthening transition (result): 5.09/5.14 5.09/5.14 Solving with 1 template(s). 5.09/5.14 5.09/5.14 LOG: CALL solveNonLinearGetFirstSolution 5.09/5.14 5.09/5.14 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.004033s 5.09/5.14 Time used: 0.003932 5.09/5.14 Solving with 2 template(s). 5.09/5.14 5.09/5.14 LOG: CALL solveNonLinearGetFirstSolution 5.09/5.14 5.09/5.14 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.001216s 5.09/5.14 Time used: 4.00053 5.09/5.14 Solving with 3 template(s). 5.09/5.14 5.09/5.14 LOG: CALL solveNonLinearGetFirstSolution 5.09/5.14 5.09/5.14 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 1.021096s 5.09/5.14 Time used: 1.00041 5.09/5.14 5.09/5.14 LOG: Postcondition is not implied - no solution 5.09/5.14 > Postcondition is not implied! 5.09/5.14 5.09/5.14 LOG: RETURN check - Elapsed time: 5.049184s 5.09/5.14 5.09/5.14 Proving non-termination of subgraph 1 5.09/5.14 Transitions: 5.09/5.14 5.09/5.14 undef47, rest remain the same}> 5.09/5.14 Variables: 5.09/5.14 n^0 5.09/5.14 5.09/5.14 Checking conditional non-termination of SCC {l3}... 5.09/5.14 > No exit transition to close. 5.09/5.14 Calling reachability with... 5.09/5.14 Transition: 5.09/5.14 Conditions: 5.09/5.14 OPEN EXITS: 5.09/5.14 5.09/5.14 5.09/5.14 --- Reachability graph --- 5.09/5.14 > Graph without transitions. 5.09/5.14 5.09/5.14 Calling reachability with... 5.09/5.14 Transition: undef47, rest remain the same}> 5.09/5.14 Conditions: 5.09/5.14 OPEN EXITS: 5.09/5.14 undef47, rest remain the same}> 5.09/5.14 5.09/5.14 > Conditions are reachable! 5.09/5.14 5.09/5.14 Program does NOT terminate 5.09/5.14 /export/starexec/sandbox/solver/bin/starexec_run_termcomp2019_ITS: line 26: delete: command not found 5.09/5.14 /export/starexec/sandbox/solver/bin/starexec_run_termcomp2019_ITS: line 27: edit: command not found 5.09/5.14 EOF