21.23/21.27 NO 21.23/21.27 21.23/21.27 Solver Timeout: 4 21.23/21.27 Global Timeout: 300 21.23/21.27 No parsing errors! 21.23/21.27 Init Location: 0 21.23/21.27 Transitions: 21.23/21.27 21.23/21.27 21.23/21.27 undef7}> 21.23/21.27 undef12}> 21.23/21.27 21.23/21.27 21.23/21.27 (1 + y_6^0)}> 21.23/21.27 21.23/21.27 (1 + x_5^0)}> 21.23/21.27 21.23/21.27 undef46}> 21.23/21.27 undef52}> 21.23/21.27 undef57}> 21.23/21.27 21.23/21.27 21.23/21.27 (1 + y_6^0)}> 21.23/21.27 (1 + x_5^0)}> 21.23/21.27 undef82}> 21.23/21.27 21.23/21.27 undef92}> 21.23/21.27 21.23/21.27 21.23/21.27 (1 + y_6^0)}> 21.23/21.27 21.23/21.27 21.23/21.27 Fresh variables: 21.23/21.27 undef7, undef12, undef46, undef52, undef57, undef82, undef92, 21.23/21.27 21.23/21.27 Undef variables: 21.23/21.27 undef7, undef12, undef46, undef52, undef57, undef82, undef92, 21.23/21.27 21.23/21.27 Abstraction variables: 21.23/21.27 21.23/21.27 Exit nodes: 21.23/21.27 21.23/21.27 Accepting locations: 21.23/21.27 21.23/21.27 Asserts: 21.23/21.27 21.23/21.27 Preprocessed LLVMGraph 21.23/21.27 Init Location: 0 21.23/21.27 Transitions: 21.23/21.27 21.23/21.27 21.23/21.27 (1 + y_6^0)}> 21.23/21.27 (1 + y_6^0)}> 21.23/21.27 (1 + x_5^0)}> 21.23/21.27 21.23/21.27 21.23/21.27 (1 + y_6^0)}> 21.23/21.27 (1 + y_6^0)}> 21.23/21.27 (1 + x_5^0)}> 21.23/21.27 21.23/21.27 (1 + y_6^0)}> 21.23/21.27 (1 + y_6^0)}> 21.23/21.27 21.23/21.27 Fresh variables: 21.23/21.27 undef7, undef12, undef46, undef52, undef57, undef82, undef92, 21.23/21.27 21.23/21.27 Undef variables: 21.23/21.27 undef7, undef12, undef46, undef52, undef57, undef82, undef92, 21.23/21.27 21.23/21.27 Abstraction variables: 21.23/21.27 21.23/21.27 Exit nodes: 21.23/21.27 21.23/21.27 Accepting locations: 21.23/21.27 21.23/21.27 Asserts: 21.23/21.27 21.23/21.27 ************************************************************* 21.23/21.27 ******************************************************************************************* 21.23/21.27 *********************** WORKING TRANSITION SYSTEM (DAG) *********************** 21.23/21.27 ******************************************************************************************* 21.23/21.27 21.23/21.27 Init Location: 0 21.23/21.27 Graph 0: 21.23/21.27 Transitions: 21.23/21.27 Variables: 21.23/21.27 21.23/21.27 Graph 1: 21.23/21.27 Transitions: 21.23/21.27 21.23/21.27 1 + y_6^0, rest remain the same}> 21.23/21.27 1 + y_6^0, rest remain the same}> 21.23/21.27 1 + x_5^0, rest remain the same}> 21.23/21.27 21.23/21.27 1 + y_6^0, rest remain the same}> 21.23/21.27 1 + y_6^0, rest remain the same}> 21.23/21.27 1 + x_5^0, rest remain the same}> 21.23/21.27 21.23/21.27 1 + y_6^0, rest remain the same}> 21.23/21.27 1 + y_6^0, rest remain the same}> 21.23/21.27 Variables: 21.23/21.27 x_5^0, y_6^0, z_7^0 21.23/21.27 21.23/21.27 Graph 2: 21.23/21.27 Transitions: 21.23/21.27 Variables: 21.23/21.27 21.23/21.27 Precedence: 21.23/21.27 Graph 0 21.23/21.27 21.23/21.27 Graph 1 21.23/21.27 21.23/21.27 21.23/21.27 Graph 2 21.23/21.27 21.23/21.27 21.23/21.27 Map Locations to Subgraph: 21.23/21.27 ( 0 , 0 ) 21.23/21.27 ( 2 , 1 ) 21.23/21.27 ( 3 , 1 ) 21.23/21.27 ( 4 , 1 ) 21.23/21.27 ( 9 , 2 ) 21.23/21.27 21.23/21.27 ******************************************************************************************* 21.23/21.27 ******************************** CHECKING ASSERTIONS ******************************** 21.23/21.27 ******************************************************************************************* 21.23/21.27 21.23/21.27 Proving termination of subgraph 0 21.23/21.27 Proving termination of subgraph 1 21.23/21.27 Checking unfeasibility... 21.23/21.27 Time used: 0.060574 21.23/21.27 21.23/21.27 Checking conditional termination of SCC {l2, l3, l4}... 21.23/21.27 21.23/21.27 LOG: CALL solveLinear 21.23/21.27 21.23/21.27 LOG: RETURN solveLinear - Elapsed time: 0.006599s 21.23/21.27 Ranking function: -7 - 3*x_5^0 - y_6^0 + 4*z_7^0 21.23/21.27 New Graphs: 21.23/21.27 Transitions: 21.23/21.27 21.23/21.27 1 + x_5^0, rest remain the same}> 21.23/21.27 21.23/21.27 1 + y_6^0, rest remain the same}> 21.23/21.27 1 + y_6^0, rest remain the same}> 21.23/21.27 1 + x_5^0, rest remain the same}> 21.23/21.27 21.23/21.27 1 + y_6^0, rest remain the same}> 21.23/21.27 1 + y_6^0, rest remain the same}> 21.23/21.27 Variables: 21.23/21.27 x_5^0, y_6^0, z_7^0 21.23/21.27 Checking conditional termination of SCC {l2, l3, l4}... 21.23/21.27 21.23/21.27 LOG: CALL solveLinear 21.23/21.27 21.23/21.27 LOG: RETURN solveLinear - Elapsed time: 0.002744s 21.23/21.27 Ranking function: -1 - y_6^0 + z_7^0 21.23/21.27 New Graphs: 21.23/21.27 Transitions: 21.23/21.27 1 + x_5^0, rest remain the same}> 21.23/21.27 Variables: 21.23/21.27 x_5^0, y_6^0, z_7^0 21.23/21.27 Transitions: 21.23/21.27 21.23/21.27 Variables: 21.23/21.27 y_6^0, z_7^0 21.23/21.27 Checking conditional termination of SCC {l2}... 21.23/21.27 21.23/21.27 LOG: CALL solveLinear 21.23/21.27 21.23/21.27 LOG: RETURN solveLinear - Elapsed time: 0.000934s 21.23/21.27 Ranking function: -1 - x_5^0 + y_6^0 21.23/21.27 New Graphs: 21.23/21.27 Transitions: 21.23/21.27 21.23/21.27 Variables: 21.23/21.27 y_6^0, z_7^0 21.23/21.27 > No variable changes in termination graph. 21.23/21.27 Checking conditional unfeasibility... 21.23/21.27 Calling Safety with literal z_7^0 <= y_6^0 and entry 21.23/21.27 21.23/21.27 LOG: CALL check - Post:z_7^0 <= y_6^0 - Process 1 21.23/21.27 * Exit transition: 21.23/21.27 * Postcondition : z_7^0 <= y_6^0 21.23/21.27 Quasi-invariants: 21.23/21.27 Location 2: z_7^0 <= y_6^0 ; 21.23/21.27 Location 3: z_7^0 <= y_6^0 ; 21.23/21.27 Location 4: z_7^0 <= y_6^0 ; 21.23/21.27 Postcondition: z_7^0 <= y_6^0 21.23/21.27 21.23/21.27 LOG: CALL check - Post:z_7^0 <= y_6^0 - Process 2 21.23/21.27 * Exit transition: 21.23/21.27 * Postcondition : z_7^0 <= y_6^0 21.23/21.27 21.23/21.27 LOG: CALL solveLinear 21.23/21.27 21.23/21.27 LOG: RETURN solveLinear - Elapsed time: 0.000382s 21.23/21.27 > Postcondition is not implied! 21.23/21.27 21.23/21.27 LOG: RETURN check - Elapsed time: 0.000450s 21.23/21.27 21.23/21.27 LOG: NarrowEntry size 1 21.23/21.27 Narrowing transition: 21.23/21.27 21.23/21.27 21.23/21.27 LOG: Narrow transition size 1 21.23/21.27 Narrowing transition: 21.23/21.27 1 + y_6^0, rest remain the same}> 21.23/21.27 21.23/21.27 LOG: Narrow transition size 1 21.23/21.27 Narrowing transition: 21.23/21.27 1 + y_6^0, rest remain the same}> 21.23/21.27 21.23/21.27 LOG: Narrow transition size 1 21.23/21.27 It's unfeasible. Removing transition: 21.23/21.27 1 + x_5^0, rest remain the same}> 21.23/21.27 Narrowing transition: 21.23/21.27 21.23/21.27 21.23/21.27 LOG: Narrow transition size 1 21.23/21.27 Narrowing transition: 21.23/21.27 1 + y_6^0, rest remain the same}> 21.23/21.27 21.23/21.27 LOG: Narrow transition size 1 21.23/21.27 Narrowing transition: 21.23/21.27 1 + y_6^0, rest remain the same}> 21.23/21.27 21.23/21.27 LOG: Narrow transition size 1 21.23/21.27 It's unfeasible. Removing transition: 21.23/21.27 1 + x_5^0, rest remain the same}> 21.23/21.27 Narrowing transition: 21.23/21.27 21.23/21.27 21.23/21.27 LOG: Narrow transition size 1 21.23/21.27 Narrowing transition: 21.23/21.27 1 + y_6^0, rest remain the same}> 21.23/21.27 21.23/21.27 LOG: Narrow transition size 1 21.23/21.27 Narrowing transition: 21.23/21.27 1 + y_6^0, rest remain the same}> 21.23/21.27 21.23/21.27 LOG: Narrow transition size 1 21.23/21.27 ENTRIES: 21.23/21.27 21.23/21.27 END ENTRIES: 21.23/21.27 GRAPH: 21.23/21.27 21.23/21.27 1 + y_6^0, rest remain the same}> 21.23/21.27 1 + y_6^0, rest remain the same}> 21.23/21.27 21.23/21.27 1 + y_6^0, rest remain the same}> 21.23/21.27 1 + y_6^0, rest remain the same}> 21.23/21.27 21.23/21.27 1 + y_6^0, rest remain the same}> 21.23/21.27 1 + y_6^0, rest remain the same}> 21.23/21.27 END GRAPH: 21.23/21.27 EXIT: 21.23/21.27 POST: z_7^0 <= y_6^0 21.23/21.27 21.23/21.27 21.23/21.27 LOG: Try proving POST 21.23/21.27 Solving with 1 template(s). 21.23/21.27 21.23/21.27 LOG: CALL solveNonLinearGetFirstSolution 21.23/21.27 21.23/21.27 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.045009s 21.23/21.27 Time used: 0.044658 21.23/21.27 Improving Solution with cost 1 ... 21.23/21.27 21.23/21.27 LOG: CALL solveNonLinearGetNextSolution 21.23/21.27 21.23/21.27 LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.082330s 21.23/21.27 Time used: 0.082324 21.23/21.27 21.23/21.27 LOG: SAT solveNonLinear - Elapsed time: 0.127339s 21.23/21.27 Cost: 1; Total time: 0.126982 21.23/21.27 Failed at location 2: y_6^0 <= x_5^0 21.23/21.27 Before Improving: 21.23/21.27 Quasi-invariant at l2: y_6^0 <= x_5^0 21.23/21.27 Quasi-invariant at l3: 1 <= 0 21.23/21.27 Quasi-invariant at l4: z_7^0 <= y_6^0 21.23/21.27 Optimizing invariants... 21.23/21.27 21.23/21.27 LOG: CALL solveLinear 21.23/21.27 21.23/21.27 LOG: RETURN solveLinear - Elapsed time: 0.011124s 21.23/21.27 Remaining time after improvement: 0.99739 21.23/21.27 Postcondition implied by a set of quasi-invariant(s): 21.23/21.27 Quasi-invariant at l2: y_6^0 <= x_5^0 21.23/21.27 Quasi-invariant at l3: 1 <= 0 21.23/21.27 Quasi-invariant at l4: z_7^0 <= y_6^0 21.23/21.27 Postcondition: y_6^0 <= x_5^0 21.23/21.27 21.23/21.27 LOG: CALL check - Post:y_6^0 <= x_5^0 - Process 3 21.23/21.27 * Exit transition: 21.23/21.27 * Postcondition : y_6^0 <= x_5^0 21.23/21.27 21.23/21.27 LOG: CALL solveLinear 21.23/21.27 21.23/21.27 LOG: RETURN solveLinear - Elapsed time: 0.000924s 21.23/21.27 > Postcondition is not implied! 21.23/21.27 21.23/21.27 LOG: RETURN check - Elapsed time: 0.001006s 21.23/21.27 21.23/21.27 LOG: NarrowEntry size 1 21.23/21.27 INVARIANTS: 21.23/21.27 2: 21.23/21.27 3: 21.23/21.27 4: 21.23/21.27 Quasi-INVARIANTS to narrow Graph: 21.23/21.27 2: y_6^0 <= x_5^0 , 21.23/21.27 3: 1 <= 0 , 21.23/21.27 4: z_7^0 <= y_6^0 , 21.23/21.27 Narrowing transition: 21.23/21.27 21.23/21.27 21.23/21.27 LOG: Narrow transition size 1 21.23/21.27 Narrowing transition: 21.23/21.27 1 + y_6^0, rest remain the same}> 21.23/21.27 21.23/21.27 LOG: Narrow transition size 1 21.23/21.27 Narrowing transition: 21.23/21.27 1 + y_6^0, rest remain the same}> 21.23/21.27 21.23/21.27 LOG: Narrow transition size 1 21.23/21.27 Narrowing transition: 21.23/21.27 21.23/21.27 21.23/21.27 LOG: Narrow transition size 1 21.23/21.27 Narrowing transition: 21.23/21.27 1 + y_6^0, rest remain the same}> 21.23/21.27 21.23/21.27 LOG: Narrow transition size 1 21.23/21.27 Narrowing transition: 21.23/21.27 1 + y_6^0, rest remain the same}> 21.23/21.27 21.23/21.27 LOG: Narrow transition size 1 21.23/21.27 Narrowing transition: 21.23/21.27 21.23/21.27 21.23/21.27 LOG: Narrow transition size 1 21.23/21.27 Narrowing transition: 21.23/21.27 1 + y_6^0, rest remain the same}> 21.23/21.27 21.23/21.27 LOG: Narrow transition size 1 21.23/21.27 Narrowing transition: 21.23/21.27 1 + y_6^0, rest remain the same}> 21.23/21.27 21.23/21.27 LOG: Narrow transition size 1 21.23/21.27 ENTRIES: 21.23/21.27 21.23/21.27 END ENTRIES: 21.23/21.27 GRAPH: 21.23/21.27 21.23/21.27 1 + y_6^0, rest remain the same}> 21.23/21.27 1 + y_6^0, rest remain the same}> 21.23/21.27 21.23/21.27 1 + y_6^0, rest remain the same}> 21.23/21.27 1 + y_6^0, rest remain the same}> 21.23/21.27 21.23/21.27 1 + y_6^0, rest remain the same}> 21.23/21.27 1 + y_6^0, rest remain the same}> 21.23/21.27 END GRAPH: 21.23/21.27 EXIT: 21.23/21.27 POST: z_7^0 <= y_6^0 21.23/21.27 21.23/21.27 21.23/21.27 LOG: Try proving POST 21.23/21.27 Solving with 1 template(s). 21.23/21.27 21.23/21.27 LOG: CALL solveNonLinearGetFirstSolution 21.23/21.27 21.23/21.27 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.086179s 21.23/21.27 Time used: 0.086079 21.23/21.27 Solving with 2 template(s). 21.23/21.27 21.23/21.27 LOG: CALL solveNonLinearGetFirstSolution 21.23/21.27 21.23/21.27 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.003955s 21.23/21.27 Time used: 4.00087 21.23/21.27 Solving with 3 template(s). 21.23/21.27 21.23/21.27 LOG: CALL solveNonLinearGetFirstSolution 21.23/21.27 21.23/21.27 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 1.013411s 21.23/21.27 Time used: 1.00016 21.23/21.27 21.23/21.27 LOG: Postcondition is not implied - no solution 21.23/21.27 > Postcondition is not implied! 21.23/21.27 21.23/21.27 LOG: RETURN check - Elapsed time: 5.286161s 21.23/21.27 21.23/21.27 Proving non-termination of subgraph 1 21.23/21.27 Transitions: 21.23/21.27 21.23/21.27 1 + y_6^0, rest remain the same}> 21.23/21.27 1 + y_6^0, rest remain the same}> 21.23/21.27 1 + x_5^0, rest remain the same}> 21.23/21.27 21.23/21.27 1 + y_6^0, rest remain the same}> 21.23/21.27 1 + y_6^0, rest remain the same}> 21.23/21.27 1 + x_5^0, rest remain the same}> 21.23/21.27 21.23/21.27 1 + y_6^0, rest remain the same}> 21.23/21.27 1 + y_6^0, rest remain the same}> 21.23/21.27 Variables: 21.23/21.27 x_5^0, y_6^0, z_7^0 21.23/21.27 21.23/21.27 Checking conditional non-termination of SCC {l2, l3, l4}... 21.23/21.27 EXIT TRANSITIONS: 21.23/21.27 21.23/21.27 21.23/21.27 21.23/21.27 Solving with 1 template(s). 21.23/21.27 21.23/21.27 LOG: CALL solveNonLinearGetFirstSolution 21.23/21.27 21.23/21.27 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.448195s 21.23/21.27 Time used: 0.447307 21.23/21.27 Improving Solution with cost 1 ... 21.23/21.27 21.23/21.27 LOG: CALL solveNonLinearGetNextSolution 21.23/21.27 21.23/21.27 LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.123395s 21.23/21.27 Time used: 0.123377 21.23/21.27 21.23/21.27 LOG: SAT solveNonLinear - Elapsed time: 0.571590s 21.23/21.27 Cost: 1; Total time: 0.570684 21.23/21.27 Minimizing number of undef constraints... 21.23/21.27 21.23/21.27 LOG: CALL solveNonLinear 21.23/21.27 21.23/21.27 LOG: RETURN solveNonLinear - Elapsed time: 0.019461s 21.23/21.27 Number of undef constraints reduced! 21.23/21.27 21.23/21.27 Non-termination implied by a set of quasi-invariant(s): 21.23/21.27 Quasi-invariant at l3: y_6^0 <= 1 + z_7^0 21.23/21.27 Quasi-invariant at l4: 1 + y_6^0 <= z_7^0 21.23/21.27 21.23/21.27 Strengthening and disabling EXIT transitions... 21.23/21.27 Closed exits from l4: 1 21.23/21.27 Strengthening exit transition (result): 21.23/21.27 21.23/21.27 21.23/21.27 Strengthening and disabling transitions... 21.23/21.27 21.23/21.27 LOG: CALL solverLinear in Graph for feasibility 21.23/21.27 21.23/21.27 LOG: RETURN solveLinear in Graph for feasibility 21.23/21.27 Strengthening transition (result): 21.23/21.27 21.23/21.27 21.23/21.27 LOG: CALL solverLinear in Graph for feasibility 21.23/21.27 21.23/21.27 LOG: RETURN solveLinear in Graph for feasibility 21.23/21.27 Strengthening transition (result): 21.23/21.27 1 + y_6^0, rest remain the same}> 21.23/21.27 21.23/21.27 LOG: CALL solverLinear in Graph for feasibility 21.23/21.27 21.23/21.27 LOG: RETURN solveLinear in Graph for feasibility 21.23/21.27 Strengthening transition (result): 21.23/21.27 1 + y_6^0, rest remain the same}> 21.23/21.27 21.23/21.27 LOG: CALL solverLinear in Graph for feasibility 21.23/21.27 21.23/21.27 LOG: RETURN solveLinear in Graph for feasibility 21.23/21.27 Strengthening transition (result): 21.23/21.27 1 + x_5^0, rest remain the same}> 21.23/21.27 21.23/21.27 LOG: CALL solverLinear in Graph for feasibility 21.23/21.27 21.23/21.27 LOG: RETURN solveLinear in Graph for feasibility 21.23/21.27 Strengthening transition (result): 21.23/21.27 21.23/21.27 21.23/21.27 LOG: CALL solverLinear in Graph for feasibility 21.23/21.27 21.23/21.27 LOG: RETURN solveLinear in Graph for feasibility 21.23/21.27 Strengthening transition (result): 21.23/21.27 1 + y_6^0, rest remain the same}> 21.23/21.27 21.23/21.27 LOG: CALL solverLinear in Graph for feasibility 21.23/21.27 21.23/21.27 LOG: RETURN solveLinear in Graph for feasibility 21.23/21.27 Strengthening transition (result): 21.23/21.27 1 + y_6^0, rest remain the same}> 21.23/21.27 21.23/21.27 LOG: CALL solverLinear in Graph for feasibility 21.23/21.27 21.23/21.27 LOG: RETURN solveLinear in Graph for feasibility 21.23/21.27 Strengthening transition (result): 21.23/21.27 1 + x_5^0, rest remain the same}> 21.23/21.27 21.23/21.27 LOG: CALL solverLinear in Graph for feasibility 21.23/21.27 21.23/21.27 LOG: RETURN solveLinear in Graph for feasibility 21.23/21.27 Strengthening transition (result): 21.23/21.27 21.23/21.27 21.23/21.27 LOG: CALL solverLinear in Graph for feasibility 21.23/21.27 21.23/21.27 LOG: RETURN solveLinear in Graph for feasibility 21.23/21.27 Strengthening transition (result): 21.23/21.27 1 + y_6^0, rest remain the same}> 21.23/21.27 21.23/21.27 LOG: CALL solverLinear in Graph for feasibility 21.23/21.27 21.23/21.27 LOG: RETURN solveLinear in Graph for feasibility 21.23/21.27 Strengthening transition (result): 21.23/21.27 1 + y_6^0, rest remain the same}> 21.23/21.27 21.23/21.27 Checking conditional non-termination of SCC {l2, l3, l4}... 21.23/21.27 EXIT TRANSITIONS: 21.23/21.27 21.23/21.27 21.23/21.27 Solving with 1 template(s). 21.23/21.27 21.23/21.27 LOG: CALL solveNonLinearGetFirstSolution 21.23/21.27 21.23/21.27 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 5.053197s 21.23/21.27 Time used: 5.05148 21.23/21.27 Solving with 2 template(s). 21.23/21.27 21.23/21.27 LOG: CALL solveNonLinearGetFirstSolution 21.23/21.27 21.23/21.27 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 5.027345s 21.23/21.27 Time used: 5.0019 21.23/21.27 Solving with 3 template(s). 21.23/21.27 21.23/21.27 LOG: CALL solveNonLinearGetFirstSolution 21.23/21.27 21.23/21.27 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 5.004844s 21.23/21.27 Time used: 5.00016 21.23/21.27 > Checking if the negation of the conditions of every pending exit is quasi-invariant... NO 21.23/21.27 21.23/21.27 Proving non-termination of subgraph 1 21.23/21.27 Transitions: 21.23/21.27 21.23/21.27 Variables: 21.23/21.27 y_6^0, z_7^0 21.23/21.27 21.23/21.27 Checking conditional non-termination of SCC {l4}... 21.23/21.27 EXIT TRANSITIONS: 21.23/21.27 21.23/21.27 21.23/21.27 Solving with 1 template(s). 21.23/21.27 21.23/21.27 LOG: CALL solveNonLinearGetFirstSolution 21.23/21.27 21.23/21.27 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.012745s 21.23/21.27 Time used: 0.012639 21.23/21.27 21.23/21.27 LOG: SAT solveNonLinear - Elapsed time: 0.012745s 21.23/21.27 Cost: 0; Total time: 0.012639 21.23/21.27 Minimizing number of undef constraints... 21.23/21.27 21.23/21.27 LOG: CALL solveNonLinear 21.23/21.27 21.23/21.27 LOG: RETURN solveNonLinear - Elapsed time: 0.003167s 21.23/21.27 Number of undef constraints reduced! 21.23/21.27 21.23/21.27 Non-termination implied by a set of quasi-invariant(s): 21.23/21.27 Quasi-invariant at l4: 1 + y_6^0 <= z_7^0 21.23/21.27 21.23/21.27 Strengthening and disabling EXIT transitions... 21.23/21.27 Closed exits from l4: 1 21.23/21.27 21.23/21.27 Strengthening and disabling transitions... 21.23/21.27 21.23/21.27 LOG: CALL solverLinear in Graph for feasibility 21.23/21.27 21.23/21.27 LOG: RETURN solveLinear in Graph for feasibility 21.23/21.27 Strengthening transition (result): 21.23/21.27 21.23/21.27 21.23/21.27 Calling reachability with... 21.23/21.27 Transition: 21.23/21.27 Conditions: 21.23/21.27 OPEN EXITS: 21.23/21.27 21.23/21.27 21.23/21.27 --- Reachability graph --- 21.23/21.27 > Graph without transitions. 21.23/21.27 21.23/21.27 Calling reachability with... 21.23/21.27 Transition: 21.23/21.27 Conditions: 21.23/21.27 OPEN EXITS: 21.23/21.27 21.23/21.27 21.23/21.27 > Conditions are reachable! 21.23/21.27 21.23/21.27 Program does NOT terminate 21.23/21.27 /export/starexec/sandbox/solver/bin/starexec_run_termcomp2019_ITS: line 26: delete: command not found 21.23/21.27 /export/starexec/sandbox/solver/bin/starexec_run_termcomp2019_ITS: line 27: edit: command not found 21.23/21.27 EOF