18.15/18.19 NO 18.15/18.19 18.15/18.19 Solver Timeout: 4 18.15/18.19 Global Timeout: 300 18.15/18.19 No parsing errors! 18.15/18.19 Init Location: 0 18.15/18.19 Transitions: 18.15/18.19 18.15/18.19 (~(1) * arg2)) /\ (arg2 > ~(1)) /\ (arg1 > 0), par{arg1 -> (~(1) * arg2), arg2 -> undef2}> 18.15/18.19 (arg1 - 2), arg2 -> undef4}> 18.15/18.19 undef5, arg2 -> undef6}> 18.15/18.19 18.15/18.19 Fresh variables: 18.15/18.19 undef2, undef4, undef5, undef6, 18.15/18.19 18.15/18.19 Undef variables: 18.15/18.19 undef2, undef4, undef5, undef6, 18.15/18.19 18.15/18.19 Abstraction variables: 18.15/18.19 18.15/18.19 Exit nodes: 18.15/18.19 18.15/18.19 Accepting locations: 18.15/18.19 18.15/18.19 Asserts: 18.15/18.19 18.15/18.19 Preprocessed LLVMGraph 18.15/18.19 Init Location: 0 18.15/18.19 Transitions: 18.15/18.19 (~(1) * undef6)) /\ (undef6 > ~(1)) /\ (undef5 > 0)> 18.15/18.19 (arg1 - 2)}> 18.15/18.19 18.15/18.19 Fresh variables: 18.15/18.19 undef2, undef4, undef5, undef6, 18.15/18.19 18.15/18.19 Undef variables: 18.15/18.19 undef2, undef4, undef5, undef6, 18.15/18.19 18.15/18.19 Abstraction variables: 18.15/18.19 18.15/18.19 Exit nodes: 18.15/18.19 18.15/18.19 Accepting locations: 18.15/18.19 18.15/18.19 Asserts: 18.15/18.19 18.15/18.19 ************************************************************* 18.15/18.19 ******************************************************************************************* 18.15/18.19 *********************** WORKING TRANSITION SYSTEM (DAG) *********************** 18.15/18.19 ******************************************************************************************* 18.15/18.19 18.15/18.19 Init Location: 0 18.15/18.19 Graph 0: 18.15/18.19 Transitions: 18.15/18.19 Variables: 18.15/18.19 18.15/18.19 Graph 1: 18.15/18.19 Transitions: 18.15/18.19 -2 + arg1, rest remain the same}> 18.15/18.19 Variables: 18.15/18.19 arg1 18.15/18.19 18.15/18.19 Precedence: 18.15/18.19 Graph 0 18.15/18.19 18.15/18.19 Graph 1 18.15/18.19 18.15/18.19 18.15/18.19 Map Locations to Subgraph: 18.15/18.19 ( 0 , 0 ) 18.15/18.19 ( 2 , 1 ) 18.15/18.19 18.15/18.19 ******************************************************************************************* 18.15/18.19 ******************************** CHECKING ASSERTIONS ******************************** 18.15/18.19 ******************************************************************************************* 18.15/18.19 18.15/18.19 Proving termination of subgraph 0 18.15/18.19 Proving termination of subgraph 1 18.15/18.19 Checking unfeasibility... 18.15/18.19 Time used: 0.002105 18.15/18.19 18.15/18.19 Checking conditional termination of SCC {l2}... 18.15/18.19 18.15/18.19 LOG: CALL solveLinear 18.15/18.19 18.15/18.19 LOG: RETURN solveLinear - Elapsed time: 0.000448s 18.15/18.19 18.15/18.19 LOG: CALL solveLinear 18.15/18.19 18.15/18.19 LOG: RETURN solveLinear - Elapsed time: 0.001142s 18.15/18.19 Trying to remove transition: -2 + arg1, rest remain the same}> 18.15/18.19 Solving with 1 template(s). 18.15/18.19 18.15/18.19 LOG: CALL solveNonLinearGetFirstSolution 18.15/18.19 18.15/18.19 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.004541s 18.15/18.19 Time used: 0.004419 18.15/18.19 Solving with 1 template(s). 18.15/18.19 18.15/18.19 LOG: CALL solveNonLinearGetFirstSolution 18.15/18.19 18.15/18.19 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.005980s 18.15/18.19 Time used: 0.005685 18.15/18.19 Improving Solution with cost 1 ... 18.15/18.19 18.15/18.19 LOG: CALL solveNonLinearGetNextSolution 18.15/18.19 18.15/18.19 LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.012910s 18.15/18.19 Time used: 0.012905 18.15/18.19 18.15/18.19 LOG: SAT solveNonLinear - Elapsed time: 0.018891s 18.15/18.19 Cost: 1; Total time: 0.01859 18.15/18.19 Failed at location 2: 0 <= arg1 18.15/18.19 Before Improving: 18.15/18.19 Quasi-invariant at l2: 0 <= arg1 18.15/18.19 Optimizing invariants... 18.15/18.19 18.15/18.19 LOG: CALL solveLinear 18.15/18.19 18.15/18.19 LOG: RETURN solveLinear - Elapsed time: 0.001602s 18.15/18.19 Remaining time after improvement: 0.999258 18.15/18.20 Termination implied by a set of quasi-invariant(s): 18.15/18.20 Quasi-invariant at l2: 0 <= arg1 18.15/18.20 [ Invariant Graph ] 18.15/18.20 Strengthening and disabling transitions... 18.15/18.20 18.15/18.20 LOG: CALL solverLinear in Graph for feasibility 18.15/18.20 18.15/18.20 LOG: RETURN solveLinear in Graph for feasibility 18.15/18.20 It's unfeasible. Removing transition: 18.15/18.20 -2 + arg1, rest remain the same}> 18.15/18.20 [ Termination Graph ] 18.15/18.20 Strengthening and disabling transitions... 18.15/18.20 18.15/18.20 LOG: CALL solverLinear in Graph for feasibility 18.15/18.20 18.15/18.20 LOG: RETURN solveLinear in Graph for feasibility 18.15/18.20 It's unfeasible. Removing transition: 18.15/18.20 -2 + arg1, rest remain the same}> 18.15/18.20 New Graphs: 18.15/18.20 Calling Safety with literal 0 <= arg1 and entry 18.15/18.20 18.15/18.20 LOG: CALL check - Post:0 <= arg1 - Process 1 18.15/18.20 * Exit transition: 18.15/18.20 * Postcondition : 0 <= arg1 18.15/18.20 18.15/18.20 LOG: CALL solveLinear 18.15/18.20 18.15/18.20 LOG: RETURN solveLinear - Elapsed time: 0.000419s 18.15/18.20 > Postcondition is not implied! 18.15/18.20 18.15/18.20 LOG: RETURN check - Elapsed time: 0.000526s 18.15/18.20 INVARIANTS: 18.15/18.20 2: 18.15/18.20 Quasi-INVARIANTS to narrow Graph: 18.15/18.20 2: 0 <= arg1 , 18.15/18.20 Narrowing transition: 18.15/18.20 -2 + arg1, rest remain the same}> 18.15/18.20 18.15/18.20 LOG: Narrow transition size 1 18.15/18.20 invGraph after Narrowing: 18.15/18.20 Transitions: 18.15/18.20 -2 + arg1, rest remain the same}> 18.15/18.20 Variables: 18.15/18.20 arg1 18.15/18.20 Checking conditional termination of SCC {l2}... 18.15/18.20 18.15/18.20 LOG: CALL solveLinear 18.15/18.20 18.15/18.20 LOG: RETURN solveLinear - Elapsed time: 0.000375s 18.15/18.20 18.15/18.20 LOG: CALL solveLinear 18.15/18.20 18.15/18.20 LOG: RETURN solveLinear - Elapsed time: 0.001143s 18.15/18.20 Trying to remove transition: -2 + arg1, rest remain the same}> 18.15/18.20 Solving with 1 template(s). 18.15/18.20 18.15/18.20 LOG: CALL solveNonLinearGetFirstSolution 18.15/18.20 18.15/18.20 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.004058s 18.15/18.20 Time used: 0.003935 18.15/18.20 Solving with 1 template(s). 18.15/18.20 18.15/18.20 LOG: CALL solveNonLinearGetFirstSolution 18.15/18.20 18.15/18.20 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.001320s 18.15/18.20 Time used: 4.00066 18.15/18.20 Solving with 2 template(s). 18.15/18.20 18.15/18.20 LOG: CALL solveNonLinearGetFirstSolution 18.15/18.20 18.15/18.20 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.005596s 18.15/18.20 Time used: 4.00078 18.15/18.20 Solving with 3 template(s). 18.15/18.20 18.15/18.20 LOG: CALL solveNonLinearGetFirstSolution 18.15/18.20 18.15/18.20 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 1.006502s 18.15/18.20 Time used: 1.00055 18.15/18.20 Solving with 1 template(s). 18.15/18.20 18.15/18.20 LOG: CALL solveNonLinearGetFirstSolution 18.15/18.20 18.15/18.20 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.009811s 18.15/18.20 Time used: 0.005592 18.15/18.20 Improving Solution with cost 1 ... 18.15/18.20 18.15/18.20 LOG: CALL solveNonLinearGetNextSolution 18.15/18.20 18.15/18.20 LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.011340s 18.15/18.20 Time used: 0.011334 18.15/18.20 18.15/18.20 LOG: SAT solveNonLinear - Elapsed time: 0.021151s 18.15/18.20 Cost: 1; Total time: 0.016926 18.15/18.20 Quasi-ranking function: 50000 + arg1 18.15/18.20 New Graphs: 18.15/18.20 Transitions: 18.15/18.20 -2 + arg1, rest remain the same}> 18.15/18.20 Variables: 18.15/18.20 arg1 18.15/18.20 Checking conditional termination of SCC {l2}... 18.15/18.20 18.15/18.20 LOG: CALL solveLinear 18.15/18.20 18.15/18.20 LOG: RETURN solveLinear - Elapsed time: 0.000408s 18.15/18.20 18.15/18.20 LOG: CALL solveLinear 18.15/18.20 18.15/18.20 LOG: RETURN solveLinear - Elapsed time: 0.001249s 18.15/18.20 Trying to remove transition: -2 + arg1, rest remain the same}> 18.15/18.20 Solving with 1 template(s). 18.15/18.20 18.15/18.20 LOG: CALL solveNonLinearGetFirstSolution 18.15/18.20 18.15/18.20 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.004896s 18.15/18.20 Time used: 0.004768 18.15/18.20 Solving with 1 template(s). 18.15/18.20 18.15/18.20 LOG: CALL solveNonLinearGetFirstSolution 18.15/18.20 18.15/18.20 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.002739s 18.15/18.20 Time used: 4.00202 18.15/18.20 Solving with 2 template(s). 18.15/18.20 18.15/18.20 LOG: CALL solveNonLinearGetFirstSolution 18.15/18.20 18.15/18.20 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.005919s 18.15/18.20 Time used: 4.00101 18.15/18.20 Solving with 3 template(s). 18.15/18.20 18.15/18.20 LOG: CALL solveNonLinearGetFirstSolution 18.15/18.20 18.15/18.20 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 1.007741s 18.15/18.20 Time used: 1.00099 18.15/18.20 Solving with 1 template(s). 18.15/18.20 18.15/18.20 LOG: CALL solveNonLinearGetFirstSolution 18.15/18.20 18.15/18.20 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.009169s 18.15/18.20 Time used: 0.005881 18.15/18.20 18.15/18.20 Proving non-termination of subgraph 1 18.15/18.20 Transitions: 18.15/18.20 -2 + arg1, rest remain the same}> 18.15/18.20 Variables: 18.15/18.20 arg1 18.15/18.20 18.15/18.20 Checking conditional non-termination of SCC {l2}... 18.15/18.20 EXIT TRANSITIONS: 18.15/18.20 18.15/18.20 18.15/18.20 Solving with 1 template(s). 18.15/18.20 18.15/18.20 LOG: CALL solveNonLinearGetFirstSolution 18.15/18.20 18.15/18.20 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.004214s 18.15/18.20 Time used: 0.004054 18.15/18.20 Improving Solution with cost 1 ... 18.15/18.20 18.15/18.20 LOG: CALL solveNonLinearGetNextSolution 18.15/18.20 18.15/18.20 LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.004856s 18.15/18.20 Time used: 0.004851 18.15/18.20 18.15/18.20 LOG: SAT solveNonLinear - Elapsed time: 0.009071s 18.15/18.20 Cost: 1; Total time: 0.008905 18.15/18.20 Failed at location 2: 1 + arg1 <= 0 18.15/18.20 Before Improving: 18.15/18.20 Quasi-invariant at l2: 1 + arg1 <= 0 18.15/18.20 Optimizing invariants... 18.15/18.20 18.15/18.20 LOG: CALL solveLinear 18.15/18.20 18.15/18.20 LOG: RETURN solveLinear - Elapsed time: 0.001486s 18.15/18.20 Remaining time after improvement: 0.999116 18.15/18.20 Non-termination implied by a set of quasi-invariant(s): 18.15/18.20 Quasi-invariant at l2: 1 + arg1 <= 0 18.15/18.20 18.15/18.20 Strengthening and disabling EXIT transitions... 18.15/18.20 Closed exits from l2: 1 18.15/18.20 18.15/18.20 Strengthening and disabling transitions... 18.15/18.20 18.15/18.20 LOG: CALL solverLinear in Graph for feasibility 18.15/18.20 18.15/18.20 LOG: RETURN solveLinear in Graph for feasibility 18.15/18.20 Strengthening transition (result): 18.15/18.20 -2 + arg1, rest remain the same}> 18.15/18.20 18.15/18.20 Calling reachability with... 18.15/18.20 Transition: 18.15/18.20 Conditions: 1 + arg1 <= 0, 18.15/18.20 OPEN EXITS: 18.15/18.20 18.15/18.20 18.15/18.20 --- Reachability graph --- 18.15/18.20 > Graph without transitions. 18.15/18.20 18.15/18.20 Calling reachability with... 18.15/18.20 Transition: 18.15/18.20 Conditions: 1 + arg1 <= 0, 18.15/18.20 OPEN EXITS: 18.15/18.20 18.15/18.20 18.15/18.20 > Conditions are reachable! 18.15/18.20 18.15/18.20 Program does NOT terminate 18.15/18.20 /export/starexec/sandbox/solver/bin/starexec_run_termcomp2019_ITS: line 26: delete: command not found 18.15/18.20 /export/starexec/sandbox/solver/bin/starexec_run_termcomp2019_ITS: line 27: edit: command not found 18.15/18.20 EOF