18.17/18.23 NO 18.17/18.23 18.17/18.23 Solver Timeout: 4 18.17/18.23 Global Timeout: 300 18.17/18.23 No parsing errors! 18.17/18.23 Init Location: 0 18.17/18.23 Transitions: 18.17/18.23 18.17/18.23 undef3}> 18.17/18.23 1}> 18.17/18.23 (0 + ret_f19^0)}> 18.17/18.23 (0 + ret28^0)}> 18.17/18.23 0}> 18.17/18.23 18.17/18.23 18.17/18.23 18.17/18.23 18.17/18.23 (0 + ret17^0)}> 18.17/18.23 (~(1) + i6^0)}> 18.17/18.23 18.17/18.23 18.17/18.23 18.17/18.23 (0 + undef164), ret17^0 -> (0 + undef161), ret_f212^0 -> undef161, val10^0 -> undef164}> 18.17/18.23 (0 + undef176), ret28^0 -> (0 + undef173), ret_f215^0 -> undef173, val13^0 -> undef176}> 18.17/18.23 18.17/18.23 18.17/18.23 18.17/18.23 18.17/18.23 18.17/18.23 Fresh variables: 18.17/18.23 undef3, undef161, undef164, undef173, undef176, 18.17/18.23 18.17/18.23 Undef variables: 18.17/18.23 undef3, undef161, undef164, undef173, undef176, 18.17/18.23 18.17/18.23 Abstraction variables: 18.17/18.23 18.17/18.23 Exit nodes: 18.17/18.23 18.17/18.23 Accepting locations: 18.17/18.23 18.17/18.23 Asserts: 18.17/18.23 18.17/18.23 Preprocessed LLVMGraph 18.17/18.23 Init Location: 0 18.17/18.23 Transitions: 18.17/18.23 undef3}> 18.17/18.23 18.17/18.23 18.17/18.23 18.17/18.23 (~(1) + i6^0)}> 18.17/18.23 (~(1) + i6^0)}> 18.17/18.23 18.17/18.23 Fresh variables: 18.17/18.23 undef3, undef161, undef164, undef173, undef176, 18.17/18.23 18.17/18.23 Undef variables: 18.17/18.23 undef3, undef161, undef164, undef173, undef176, 18.17/18.23 18.17/18.23 Abstraction variables: 18.17/18.23 18.17/18.23 Exit nodes: 18.17/18.23 18.17/18.23 Accepting locations: 18.17/18.23 18.17/18.23 Asserts: 18.17/18.23 18.17/18.23 ************************************************************* 18.17/18.23 ******************************************************************************************* 18.17/18.23 *********************** WORKING TRANSITION SYSTEM (DAG) *********************** 18.17/18.23 ******************************************************************************************* 18.17/18.23 18.17/18.23 Init Location: 0 18.17/18.23 Graph 0: 18.17/18.23 Transitions: 18.17/18.23 Variables: 18.17/18.23 18.17/18.23 Graph 1: 18.17/18.23 Transitions: 18.17/18.23 -1 + i6^0, rest remain the same}> 18.17/18.23 -1 + i6^0, rest remain the same}> 18.17/18.23 Variables: 18.17/18.23 i6^0 18.17/18.23 18.17/18.23 Graph 2: 18.17/18.23 Transitions: 18.17/18.23 Variables: 18.17/18.23 18.17/18.23 Precedence: 18.17/18.23 Graph 0 18.17/18.23 18.17/18.23 Graph 1 18.17/18.23 undef3, rest remain the same}> 18.17/18.23 18.17/18.23 Graph 2 18.17/18.23 18.17/18.23 18.17/18.23 18.17/18.23 18.17/18.23 Map Locations to Subgraph: 18.17/18.23 ( 0 , 0 ) 18.17/18.23 ( 2 , 1 ) 18.17/18.23 ( 4 , 2 ) 18.17/18.23 18.17/18.23 ******************************************************************************************* 18.17/18.23 ******************************** CHECKING ASSERTIONS ******************************** 18.17/18.23 ******************************************************************************************* 18.17/18.23 18.17/18.23 Proving termination of subgraph 0 18.17/18.23 Proving termination of subgraph 1 18.17/18.23 Checking unfeasibility... 18.17/18.23 Time used: 0.002535 18.17/18.23 18.17/18.23 Checking conditional termination of SCC {l2}... 18.17/18.23 18.17/18.23 LOG: CALL solveLinear 18.17/18.23 18.17/18.23 LOG: RETURN solveLinear - Elapsed time: 0.001022s 18.17/18.23 Ranking function: 1 + i6^0 18.17/18.23 New Graphs: 18.17/18.23 Transitions: 18.17/18.23 -1 + i6^0, rest remain the same}> 18.17/18.23 Variables: 18.17/18.23 i6^0 18.17/18.23 Checking conditional termination of SCC {l2}... 18.17/18.23 18.17/18.23 LOG: CALL solveLinear 18.17/18.23 18.17/18.23 LOG: RETURN solveLinear - Elapsed time: 0.000438s 18.17/18.23 18.17/18.23 LOG: CALL solveLinear 18.17/18.23 18.17/18.23 LOG: RETURN solveLinear - Elapsed time: 0.001513s 18.17/18.23 Trying to remove transition: -1 + i6^0, rest remain the same}> 18.17/18.23 Solving with 1 template(s). 18.17/18.23 18.17/18.23 LOG: CALL solveNonLinearGetFirstSolution 18.17/18.23 18.17/18.23 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.003876s 18.17/18.23 Time used: 0.003744 18.17/18.23 Solving with 1 template(s). 18.17/18.23 18.17/18.23 LOG: CALL solveNonLinearGetFirstSolution 18.17/18.23 18.17/18.23 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.005887s 18.17/18.23 Time used: 0.005617 18.17/18.23 Improving Solution with cost 1 ... 18.17/18.23 18.17/18.23 LOG: CALL solveNonLinearGetNextSolution 18.17/18.23 18.17/18.23 LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.016167s 18.17/18.23 Time used: 0.016162 18.17/18.23 18.17/18.23 LOG: SAT solveNonLinear - Elapsed time: 0.022054s 18.17/18.23 Cost: 1; Total time: 0.021779 18.17/18.23 Failed at location 2: 0 <= i6^0 18.17/18.23 Before Improving: 18.17/18.23 Quasi-invariant at l2: 0 <= i6^0 18.17/18.23 Optimizing invariants... 18.17/18.23 18.17/18.23 LOG: CALL solveLinear 18.17/18.23 18.17/18.23 LOG: RETURN solveLinear - Elapsed time: 0.002170s 18.17/18.23 Remaining time after improvement: 0.999064 18.17/18.23 Termination implied by a set of quasi-invariant(s): 18.17/18.23 Quasi-invariant at l2: 0 <= i6^0 18.17/18.23 [ Invariant Graph ] 18.17/18.23 Strengthening and disabling transitions... 18.17/18.23 18.17/18.23 LOG: CALL solverLinear in Graph for feasibility 18.17/18.23 18.17/18.23 LOG: RETURN solveLinear in Graph for feasibility 18.17/18.23 Strengthening transition (result): 18.17/18.23 -1 + i6^0, rest remain the same}> 18.17/18.23 18.17/18.23 LOG: CALL solverLinear in Graph for feasibility 18.17/18.23 18.17/18.23 LOG: RETURN solveLinear in Graph for feasibility 18.17/18.23 It's unfeasible. Removing transition: 18.17/18.23 -1 + i6^0, rest remain the same}> 18.17/18.23 [ Termination Graph ] 18.17/18.23 Strengthening and disabling transitions... 18.17/18.23 > It's unfeasible. Removing transition: 18.17/18.23 -1 + i6^0, rest remain the same}> 18.17/18.23 New Graphs: 18.17/18.23 Calling Safety with literal 0 <= i6^0 and entry undef3, rest remain the same}> 18.17/18.23 18.17/18.23 LOG: CALL check - Post:0 <= i6^0 - Process 1 18.17/18.23 * Exit transition: undef3, rest remain the same}> 18.17/18.23 * Postcondition : 0 <= i6^0 18.17/18.23 18.17/18.23 LOG: CALL solveLinear 18.17/18.23 18.17/18.23 LOG: RETURN solveLinear - Elapsed time: 0.000336s 18.17/18.23 > Postcondition is not implied! 18.17/18.23 18.17/18.23 LOG: RETURN check - Elapsed time: 0.000415s 18.17/18.23 INVARIANTS: 18.17/18.23 2: 18.17/18.23 Quasi-INVARIANTS to narrow Graph: 18.17/18.23 2: 0 <= i6^0 , 18.17/18.23 It's unfeasible. Removing transition: 18.17/18.24 -1 + i6^0, rest remain the same}> 18.17/18.24 Narrowing transition: 18.17/18.24 -1 + i6^0, rest remain the same}> 18.17/18.24 18.17/18.24 LOG: Narrow transition size 1 18.17/18.24 invGraph after Narrowing: 18.17/18.24 Transitions: 18.17/18.24 -1 + i6^0, rest remain the same}> 18.17/18.24 Variables: 18.17/18.24 i6^0 18.17/18.24 Checking conditional termination of SCC {l2}... 18.17/18.24 18.17/18.24 LOG: CALL solveLinear 18.17/18.24 18.17/18.24 LOG: RETURN solveLinear - Elapsed time: 0.000434s 18.17/18.24 18.17/18.24 LOG: CALL solveLinear 18.17/18.24 18.17/18.24 LOG: RETURN solveLinear - Elapsed time: 0.001527s 18.17/18.24 Trying to remove transition: -1 + i6^0, rest remain the same}> 18.17/18.24 Solving with 1 template(s). 18.17/18.24 18.17/18.24 LOG: CALL solveNonLinearGetFirstSolution 18.17/18.24 18.17/18.24 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.003658s 18.17/18.24 Time used: 0.00353 18.17/18.24 Solving with 1 template(s). 18.17/18.24 18.17/18.24 LOG: CALL solveNonLinearGetFirstSolution 18.17/18.24 18.17/18.24 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.001643s 18.17/18.24 Time used: 4.00119 18.17/18.24 Solving with 2 template(s). 18.17/18.24 18.17/18.24 LOG: CALL solveNonLinearGetFirstSolution 18.17/18.24 18.17/18.24 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.005639s 18.17/18.24 Time used: 4.00075 18.17/18.24 Solving with 3 template(s). 18.17/18.24 18.17/18.24 LOG: CALL solveNonLinearGetFirstSolution 18.17/18.24 18.17/18.24 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 1.005791s 18.17/18.24 Time used: 1.00064 18.17/18.24 Solving with 1 template(s). 18.17/18.24 18.17/18.24 LOG: CALL solveNonLinearGetFirstSolution 18.17/18.24 18.17/18.24 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.008696s 18.17/18.24 Time used: 0.00583 18.17/18.24 Improving Solution with cost 1 ... 18.17/18.24 18.17/18.24 LOG: CALL solveNonLinearGetNextSolution 18.17/18.24 18.17/18.24 LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.013782s 18.17/18.24 Time used: 0.013777 18.17/18.24 18.17/18.24 LOG: SAT solveNonLinear - Elapsed time: 0.022478s 18.17/18.24 Cost: 1; Total time: 0.019607 18.17/18.24 Quasi-ranking function: 50000 + i6^0 18.17/18.24 New Graphs: 18.17/18.24 Transitions: 18.17/18.24 -1 + i6^0, rest remain the same}> 18.17/18.24 Variables: 18.17/18.24 i6^0 18.17/18.24 Checking conditional termination of SCC {l2}... 18.17/18.24 18.17/18.24 LOG: CALL solveLinear 18.17/18.24 18.17/18.24 LOG: RETURN solveLinear - Elapsed time: 0.000466s 18.17/18.24 18.17/18.24 LOG: CALL solveLinear 18.17/18.24 18.17/18.24 LOG: RETURN solveLinear - Elapsed time: 0.001645s 18.17/18.24 Trying to remove transition: -1 + i6^0, rest remain the same}> 18.17/18.24 Solving with 1 template(s). 18.17/18.24 18.17/18.24 LOG: CALL solveNonLinearGetFirstSolution 18.17/18.24 18.17/18.24 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.004369s 18.17/18.24 Time used: 0.004233 18.17/18.24 Solving with 1 template(s). 18.17/18.24 18.17/18.24 LOG: CALL solveNonLinearGetFirstSolution 18.17/18.24 18.17/18.24 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.001624s 18.17/18.24 Time used: 4.00122 18.17/18.24 Solving with 2 template(s). 18.17/18.24 18.17/18.24 LOG: CALL solveNonLinearGetFirstSolution 18.17/18.24 18.17/18.24 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.006454s 18.17/18.24 Time used: 4.0013 18.17/18.24 Solving with 3 template(s). 18.17/18.24 18.17/18.24 LOG: CALL solveNonLinearGetFirstSolution 18.17/18.24 18.17/18.24 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 1.006258s 18.17/18.24 Time used: 1.00078 18.17/18.24 Solving with 1 template(s). 18.17/18.24 18.17/18.24 LOG: CALL solveNonLinearGetFirstSolution 18.17/18.24 18.17/18.24 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.008390s 18.17/18.24 Time used: 0.005352 18.17/18.24 18.17/18.24 Proving non-termination of subgraph 1 18.17/18.24 Transitions: 18.17/18.24 -1 + i6^0, rest remain the same}> 18.17/18.24 Variables: 18.17/18.24 i6^0 18.17/18.24 18.17/18.24 Checking conditional non-termination of SCC {l2}... 18.17/18.24 EXIT TRANSITIONS: 18.17/18.24 18.17/18.24 18.17/18.24 Solving with 1 template(s). 18.17/18.24 18.17/18.24 LOG: CALL solveNonLinearGetFirstSolution 18.17/18.24 18.17/18.24 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.006503s 18.17/18.24 Time used: 0.006335 18.17/18.24 Improving Solution with cost 1 ... 18.17/18.24 18.17/18.24 LOG: CALL solveNonLinearGetNextSolution 18.17/18.24 18.17/18.24 LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.011558s 18.17/18.24 Time used: 0.011551 18.17/18.24 18.17/18.24 LOG: SAT solveNonLinear - Elapsed time: 0.018062s 18.17/18.24 Cost: 1; Total time: 0.017886 18.17/18.24 Failed at location 2: 1 + i6^0 <= 0 18.17/18.24 Before Improving: 18.17/18.24 Quasi-invariant at l2: 1 + i6^0 <= 0 18.17/18.24 Optimizing invariants... 18.17/18.24 18.17/18.24 LOG: CALL solveLinear 18.17/18.24 18.17/18.24 LOG: RETURN solveLinear - Elapsed time: 0.003073s 18.17/18.24 Remaining time after improvement: 0.999008 18.17/18.24 Minimizing number of undef constraints... 18.17/18.24 18.17/18.24 LOG: CALL solveNonLinear 18.17/18.24 18.17/18.24 LOG: RETURN solveNonLinear - Elapsed time: 0.002180s 18.17/18.24 Number of undef constraints reduced! 18.17/18.24 18.17/18.24 Non-termination implied by a set of quasi-invariant(s): 18.17/18.24 Quasi-invariant at l2: 1 + i6^0 <= 0 18.17/18.24 18.17/18.24 Strengthening and disabling EXIT transitions... 18.17/18.24 Closed exits from l2: 1 18.17/18.24 18.17/18.24 Strengthening and disabling transitions... 18.17/18.24 18.17/18.24 LOG: CALL solverLinear in Graph for feasibility 18.17/18.24 18.17/18.24 LOG: RETURN solveLinear in Graph for feasibility 18.17/18.24 Strengthening transition (result): 18.17/18.24 -1 + i6^0, rest remain the same}> 18.17/18.24 18.17/18.24 Calling reachability with... 18.17/18.24 Transition: 18.17/18.24 Conditions: 1 + i6^0 <= 0, 18.17/18.24 OPEN EXITS: 18.17/18.24 18.17/18.24 18.17/18.24 --- Reachability graph --- 18.17/18.24 > Graph without transitions. 18.17/18.24 18.17/18.24 Calling reachability with... 18.17/18.24 Transition: undef3, rest remain the same}> 18.17/18.24 Conditions: 1 + i6^0 <= 0, 18.17/18.24 OPEN EXITS: 18.17/18.24 undef3, rest remain the same}> 18.17/18.24 18.17/18.24 > Conditions are reachable! 18.17/18.24 18.17/18.24 Program does NOT terminate 18.17/18.24 /export/starexec/sandbox/solver/bin/starexec_run_termcomp2019_ITS: line 26: delete: command not found 18.17/18.24 /export/starexec/sandbox/solver/bin/starexec_run_termcomp2019_ITS: line 27: edit: command not found 18.17/18.24 EOF