9.07/9.17	NO
9.07/9.17	
9.07/9.17	Solver Timeout: 4
9.07/9.17	Global Timeout: 300
9.07/9.17	No parsing errors!
9.07/9.17	Init Location: 0
9.07/9.17	Transitions:
9.07/9.17	<l0, l6, true>
9.07/9.17	<l1, l2, (1 <= (0 + x^0)), par{y^0 -> (0 + x^0)}>
9.07/9.17	<l2, l3, ((0 + y^0) <= 0)>
9.07/9.17	<l2, l4, (1 <= (0 + y^0)), par{y^0 -> (~(1) + y^0)}>
9.07/9.17	<l4, l2, true>
9.07/9.17	<l3, l1, true, par{y^0 -> (1 + y^0)}>
9.07/9.17	<l3, l1, true, par{x^0 -> (~(1) + x^0), y^0 -> (1 + y^0)}>
9.07/9.17	<l5, l1, true>
9.07/9.17	<l6, l5, true>
9.07/9.17	
9.07/9.17	Fresh variables:
9.07/9.17	
9.07/9.17	Undef variables:
9.07/9.17	
9.07/9.17	Abstraction variables:
9.07/9.17	
9.07/9.17	Exit nodes:
9.07/9.17	
9.07/9.17	Accepting locations:
9.07/9.17	
9.07/9.17	Asserts:
9.07/9.17	
9.07/9.17	Preprocessed LLVMGraph
9.07/9.17	Init Location: 0
9.07/9.17	Transitions:
9.07/9.17	<l0, l2, (y^0 = (0 + x^0)) /\ (1 <= (0 + x^0))>
9.07/9.17	<l2, l2, ((0 + y^0) <= 0) /\ (1 <= (0 + x^0)), par{y^0 -> (0 + x^0)}>
9.07/9.17	<l2, l2, ((0 + y^0) <= 0) /\ (1 <= (0 + (~(1) + x^0))), par{x^0 -> (~(1) + x^0), y^0 -> (0 + (~(1) + x^0))}>
9.07/9.17	<l2, l2, (1 <= (0 + y^0)), par{y^0 -> (~(1) + y^0)}>
9.07/9.17	
9.07/9.17	Fresh variables:
9.07/9.17	
9.07/9.17	Undef variables:
9.07/9.17	
9.07/9.17	Abstraction variables:
9.07/9.17	
9.07/9.17	Exit nodes:
9.07/9.17	
9.07/9.17	Accepting locations:
9.07/9.17	
9.07/9.17	Asserts:
9.07/9.17	
9.07/9.17	*************************************************************
9.07/9.17	*******************************************************************************************
9.07/9.17	***********************       WORKING TRANSITION SYSTEM (DAG)       ***********************
9.07/9.17	*******************************************************************************************
9.07/9.17	
9.07/9.17	Init Location: 0
9.07/9.17	Graph 0:
9.07/9.17	Transitions:
9.07/9.17	Variables:
9.07/9.17	
9.07/9.17	Graph 1:
9.07/9.17	Transitions:
9.07/9.17	<l2, l2, 1 <= x^0 /\ y^0 <= 0, {y^0 -> x^0, rest remain the same}>
9.07/9.17	<l2, l2, y^0 <= 0 /\ 2 <= x^0, {x^0 -> -1 + x^0, y^0 -> -1 + x^0, rest remain the same}>
9.07/9.17	<l2, l2, 1 <= y^0, {y^0 -> -1 + y^0, rest remain the same}>
9.07/9.17	Variables:
9.07/9.17	x^0, y^0
9.07/9.17	
9.07/9.17	Precedence: 
9.07/9.17	Graph 0
9.07/9.17	
9.07/9.17	Graph 1
9.07/9.17	<l0, l2, 1 <= x^0 /\ x^0 = y^0, {all remain the same}>
9.07/9.17	
9.07/9.17	Map Locations to Subgraph:
9.07/9.17	( 0 , 0 )
9.07/9.17	( 2 , 1 )
9.07/9.17	
9.07/9.17	*******************************************************************************************
9.07/9.17	********************************    CHECKING ASSERTIONS    ********************************
9.07/9.17	*******************************************************************************************
9.07/9.17	
9.07/9.17	Proving termination of subgraph 0
9.07/9.17	Proving termination of subgraph 1
9.07/9.17	Checking unfeasibility...
9.07/9.17	Time used: 0.007187
9.07/9.17	
9.07/9.17	Checking conditional termination of SCC {l2}...
9.07/9.17	
9.07/9.17	LOG: CALL solveLinear
9.07/9.17	
9.07/9.17	LOG: RETURN solveLinear - Elapsed time: 0.001539s
9.07/9.17	Ranking function: -1 + x^0
9.07/9.17	New Graphs: 
9.07/9.17	Transitions:
9.07/9.17	<l2, l2, 1 <= x^0 /\ y^0 <= 0, {y^0 -> x^0, rest remain the same}>
9.07/9.17	<l2, l2, 1 <= y^0, {y^0 -> -1 + y^0, rest remain the same}>
9.07/9.17	Variables:
9.07/9.17	x^0, y^0
9.07/9.17	Checking conditional termination of SCC {l2}...
9.07/9.17	
9.07/9.17	LOG: CALL solveLinear
9.07/9.17	
9.07/9.17	LOG: RETURN solveLinear - Elapsed time: 0.000791s
9.07/9.17	
9.07/9.17	LOG: CALL solveLinear
9.07/9.17	
9.07/9.17	LOG: RETURN solveLinear - Elapsed time: 0.005817s
9.07/9.17	Trying to remove transition: <l2, l2, 1 <= y^0, {y^0 -> -1 + y^0, rest remain the same}>
9.07/9.17	Solving with 1 template(s).
9.07/9.17	
9.07/9.17	LOG: CALL solveNonLinearGetFirstSolution
9.07/9.17	
9.07/9.17	LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.004812s
9.07/9.17	Time used: 0.004608
9.07/9.17	Trying to remove transition: <l2, l2, 1 <= x^0 /\ y^0 <= 0, {y^0 -> x^0, rest remain the same}>
9.07/9.17	Solving with 1 template(s).
9.07/9.17	
9.07/9.17	LOG: CALL solveNonLinearGetFirstSolution
9.07/9.17	
9.07/9.17	LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.010146s
9.07/9.17	Time used: 0.009919
9.07/9.17	Solving with 1 template(s).
9.07/9.17	
9.07/9.17	LOG: CALL solveNonLinearGetFirstSolution
9.07/9.17	
9.07/9.17	LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.001826s
9.07/9.17	Time used: 4.00099
9.07/9.17	Solving with 2 template(s).
9.07/9.17	
9.07/9.17	LOG: CALL solveNonLinearGetFirstSolution
9.07/9.17	
9.07/9.17	LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.005937s
9.07/9.17	Time used: 4.00076
9.07/9.17	Solving with 3 template(s).
9.07/9.17	
9.07/9.17	LOG: CALL solveNonLinearGetFirstSolution
9.07/9.17	
9.07/9.17	LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 1.008194s
9.07/9.17	Time used: 1.00014
9.07/9.17	Solving with 1 template(s).
9.07/9.17	
9.07/9.17	LOG: CALL solveNonLinearGetFirstSolution
9.07/9.17	
9.07/9.17	LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.034249s
9.07/9.17	Time used: 0.023927
9.07/9.17	Termination failed. Trying to show unreachability...
9.07/9.17	Proving unreachability of entry: <l0, l2, 1 <= x^0 /\ x^0 = y^0, {all remain the same}>
9.07/9.17	
9.07/9.17	LOG: CALL check - Post:1 <= 0 - Process 1
9.07/9.17	* Exit transition: <l0, l2, 1 <= x^0 /\ x^0 = y^0, {all remain the same}>
9.07/9.17	* Postcondition  : 1 <= 0
9.07/9.17	
9.07/9.17	LOG: CALL solveLinear
9.07/9.17	
9.07/9.17	LOG: RETURN solveLinear - Elapsed time: 0.001481s
9.07/9.17	> Postcondition is not implied!
9.07/9.17	
9.07/9.17	LOG: RETURN check - Elapsed time: 0.001594s
9.07/9.17	Cannot prove unreachability
9.07/9.17	
9.07/9.17	Proving non-termination of subgraph 1
9.07/9.17	Transitions:
9.07/9.17	<l2, l2, 1 <= x^0 /\ y^0 <= 0, {y^0 -> x^0, rest remain the same}>
9.07/9.17	<l2, l2, y^0 <= 0 /\ 2 <= x^0, {x^0 -> -1 + x^0, y^0 -> -1 + x^0, rest remain the same}>
9.07/9.17	<l2, l2, 1 <= y^0, {y^0 -> -1 + y^0, rest remain the same}>
9.07/9.17	Variables:
9.07/9.17	x^0, y^0
9.07/9.17	
9.07/9.17	Checking conditional non-termination of SCC {l2}...
9.07/9.17	EXIT TRANSITIONS:
9.07/9.17	<l2, end, x^0 <= 0 /\ y^0 <= 0, {all remain the same}>
9.07/9.17	
9.07/9.17	Solving with 1 template(s).
9.07/9.17	
9.07/9.17	LOG: CALL solveNonLinearGetFirstSolution
9.07/9.17	
9.07/9.17	LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.008947s
9.07/9.17	Time used: 0.008843
9.07/9.17	
9.07/9.17	LOG: SAT solveNonLinear - Elapsed time: 0.008947s
9.07/9.17	Cost: 0; Total time: 0.008843
9.07/9.17	Non-termination implied by a set of quasi-invariant(s):
9.07/9.17	Quasi-invariant at l2: 1 <= x^0
9.07/9.17	
9.07/9.17	Strengthening and disabling EXIT transitions...
9.07/9.17	Closed exits from l2: 1
9.07/9.17	
9.07/9.17	Strengthening and disabling transitions...
9.07/9.17	
9.07/9.17	LOG: CALL solverLinear in Graph for feasibility
9.07/9.17	
9.07/9.17	LOG: RETURN solveLinear in Graph for feasibility
9.07/9.17	Strengthening transition (result): 
9.07/9.17	<l2, l2, 1 <= x^0 /\ y^0 <= 0, {y^0 -> x^0, rest remain the same}>
9.07/9.17	
9.07/9.17	LOG: CALL solverLinear in Graph for feasibility
9.07/9.17	
9.07/9.17	LOG: RETURN solveLinear in Graph for feasibility
9.07/9.17	Strengthening transition (result): 
9.07/9.17	<l2, l2, y^0 <= 0 /\ 2 <= x^0, {x^0 -> -1 + x^0, y^0 -> -1 + x^0, rest remain the same}>
9.07/9.17	
9.07/9.17	LOG: CALL solverLinear in Graph for feasibility
9.07/9.17	
9.07/9.17	LOG: RETURN solveLinear in Graph for feasibility
9.07/9.17	Strengthening transition (result): 
9.07/9.17	<l2, l2, 1 <= x^0 /\ 1 <= y^0, {y^0 -> -1 + y^0, rest remain the same}>
9.07/9.17	
9.07/9.17	Calling reachability with...
9.07/9.17	Transition: <l2, end, true, {all remain the same}>
9.07/9.17	Conditions: 1 <= x^0, 
9.07/9.17	OPEN EXITS: 
9.07/9.17	<l2, end, 1 <= x^0, {all remain the same}>
9.07/9.17	
9.07/9.17	--- Reachability graph ---
9.07/9.17	> Graph without transitions.
9.07/9.17	
9.07/9.17	Calling reachability with...
9.07/9.17	Transition: <l0, l2, 1 <= x^0 /\ x^0 = y^0, {all remain the same}>
9.07/9.17	Conditions: 1 <= x^0, 
9.07/9.17	OPEN EXITS: 
9.07/9.17	<l0, l2, 1 <= x^0 /\ x^0 = y^0, {all remain the same}>
9.07/9.17	
9.07/9.17	> Conditions are reachable!
9.07/9.17	
9.07/9.17	Program does NOT terminate
9.07/9.17	/export/starexec/sandbox/solver/bin/starexec_run_termcomp2019_ITS: line 26: delete: command not found
9.07/9.17	/export/starexec/sandbox/solver/bin/starexec_run_termcomp2019_ITS: line 27: edit: command not found
9.07/9.17	EOF