18.20/18.26 NO 18.20/18.26 18.20/18.26 Solver Timeout: 4 18.20/18.26 Global Timeout: 300 18.20/18.26 No parsing errors! 18.20/18.26 Init Location: 0 18.20/18.26 Transitions: 18.20/18.26 18.20/18.26 18.20/18.26 undef4}> 18.20/18.26 18.20/18.26 undef7, x_5^0 -> undef8}> 18.20/18.26 18.20/18.26 18.20/18.26 Fresh variables: 18.20/18.26 undef4, undef7, undef8, 18.20/18.26 18.20/18.26 Undef variables: 18.20/18.26 undef4, undef7, undef8, 18.20/18.26 18.20/18.26 Abstraction variables: 18.20/18.26 18.20/18.26 Exit nodes: 18.20/18.26 18.20/18.26 Accepting locations: 18.20/18.26 18.20/18.26 Asserts: 18.20/18.26 18.20/18.26 Preprocessed LLVMGraph 18.20/18.26 Init Location: 0 18.20/18.26 Transitions: 18.20/18.26 18.20/18.26 undef4}> 18.20/18.26 undef8}> 18.20/18.26 18.20/18.26 Fresh variables: 18.20/18.26 undef4, undef7, undef8, 18.20/18.26 18.20/18.26 Undef variables: 18.20/18.26 undef4, undef7, undef8, 18.20/18.26 18.20/18.26 Abstraction variables: 18.20/18.26 18.20/18.26 Exit nodes: 18.20/18.26 18.20/18.26 Accepting locations: 18.20/18.26 18.20/18.26 Asserts: 18.20/18.26 18.20/18.26 ************************************************************* 18.20/18.26 ******************************************************************************************* 18.20/18.26 *********************** WORKING TRANSITION SYSTEM (DAG) *********************** 18.20/18.26 ******************************************************************************************* 18.20/18.26 18.20/18.26 Init Location: 0 18.20/18.26 Graph 0: 18.20/18.26 Transitions: 18.20/18.26 Variables: 18.20/18.26 18.20/18.26 Graph 1: 18.20/18.26 Transitions: 18.20/18.26 undef4, rest remain the same}> 18.20/18.26 Variables: 18.20/18.26 x_5^0 18.20/18.26 18.20/18.26 Graph 2: 18.20/18.26 Transitions: 18.20/18.26 Variables: 18.20/18.26 18.20/18.26 Precedence: 18.20/18.26 Graph 0 18.20/18.26 18.20/18.26 Graph 1 18.20/18.26 18.20/18.26 18.20/18.26 Graph 2 18.20/18.26 undef8, rest remain the same}> 18.20/18.26 18.20/18.26 Map Locations to Subgraph: 18.20/18.26 ( 0 , 0 ) 18.20/18.26 ( 2 , 1 ) 18.20/18.26 ( 4 , 2 ) 18.20/18.26 18.20/18.26 ******************************************************************************************* 18.20/18.26 ******************************** CHECKING ASSERTIONS ******************************** 18.20/18.26 ******************************************************************************************* 18.20/18.26 18.20/18.26 Proving termination of subgraph 0 18.20/18.26 Proving termination of subgraph 1 18.20/18.26 Checking unfeasibility... 18.20/18.26 Time used: 0.001483 18.20/18.26 18.20/18.26 Checking conditional termination of SCC {l2}... 18.20/18.26 18.20/18.26 LOG: CALL solveLinear 18.20/18.26 18.20/18.26 LOG: RETURN solveLinear - Elapsed time: 0.000529s 18.20/18.26 18.20/18.26 LOG: CALL solveLinear 18.20/18.26 18.20/18.26 LOG: RETURN solveLinear - Elapsed time: 0.001601s 18.20/18.26 Trying to remove transition: undef4, rest remain the same}> 18.20/18.26 Solving with 1 template(s). 18.20/18.26 18.20/18.26 LOG: CALL solveNonLinearGetFirstSolution 18.20/18.26 18.20/18.26 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.003604s 18.20/18.26 Time used: 0.003442 18.20/18.26 Solving with 1 template(s). 18.20/18.26 18.20/18.26 LOG: CALL solveNonLinearGetFirstSolution 18.20/18.26 18.20/18.26 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.009025s 18.20/18.26 Time used: 0.008761 18.20/18.26 Improving Solution with cost 1 ... 18.20/18.26 18.20/18.26 LOG: CALL solveNonLinearGetNextSolution 18.20/18.26 18.20/18.26 LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.014710s 18.20/18.26 Time used: 0.014705 18.20/18.26 18.20/18.26 LOG: SAT solveNonLinear - Elapsed time: 0.023734s 18.20/18.26 Cost: 1; Total time: 0.023466 18.20/18.26 Failed at location 2: 2 <= x_5^0 18.20/18.26 Before Improving: 18.20/18.26 Quasi-invariant at l2: 2 <= x_5^0 18.20/18.26 Optimizing invariants... 18.20/18.26 18.20/18.26 LOG: CALL solveLinear 18.20/18.26 18.20/18.26 LOG: RETURN solveLinear - Elapsed time: 0.001617s 18.20/18.26 Remaining time after improvement: 0.999217 18.20/18.26 Termination implied by a set of quasi-invariant(s): 18.20/18.26 Quasi-invariant at l2: 2 <= x_5^0 18.20/18.26 [ Invariant Graph ] 18.20/18.26 Strengthening and disabling transitions... 18.20/18.26 18.20/18.26 LOG: CALL solverLinear in Graph for feasibility 18.20/18.26 18.20/18.26 LOG: RETURN solveLinear in Graph for feasibility 18.20/18.26 It's unfeasible. Removing transition: 18.20/18.26 undef4, rest remain the same}> 18.20/18.26 [ Termination Graph ] 18.20/18.26 Strengthening and disabling transitions... 18.20/18.26 > It's unfeasible. Removing transition: 18.20/18.26 undef4, rest remain the same}> 18.20/18.26 New Graphs: 18.20/18.26 Calling Safety with literal 2 <= x_5^0 and entry 18.20/18.26 18.20/18.26 LOG: CALL check - Post:2 <= x_5^0 - Process 1 18.20/18.26 * Exit transition: 18.20/18.26 * Postcondition : 2 <= x_5^0 18.20/18.26 18.20/18.26 LOG: CALL solveLinear 18.20/18.26 18.20/18.26 LOG: RETURN solveLinear - Elapsed time: 0.000304s 18.20/18.26 > Postcondition is not implied! 18.20/18.26 18.20/18.26 LOG: RETURN check - Elapsed time: 0.000380s 18.20/18.26 INVARIANTS: 18.20/18.26 2: 18.20/18.26 Quasi-INVARIANTS to narrow Graph: 18.20/18.26 2: 2 <= x_5^0 , 18.20/18.26 Narrowing transition: 18.20/18.26 undef4, rest remain the same}> 18.20/18.26 18.20/18.26 LOG: Narrow transition size 1 18.20/18.26 invGraph after Narrowing: 18.20/18.26 Transitions: 18.20/18.26 undef4, rest remain the same}> 18.20/18.26 Variables: 18.20/18.26 x_5^0 18.20/18.26 Checking conditional termination of SCC {l2}... 18.20/18.26 18.20/18.26 LOG: CALL solveLinear 18.20/18.26 18.20/18.26 LOG: RETURN solveLinear - Elapsed time: 0.000527s 18.20/18.26 18.20/18.26 LOG: CALL solveLinear 18.20/18.26 18.20/18.26 LOG: RETURN solveLinear - Elapsed time: 0.001729s 18.20/18.26 Trying to remove transition: undef4, rest remain the same}> 18.20/18.26 Solving with 1 template(s). 18.20/18.26 18.20/18.26 LOG: CALL solveNonLinearGetFirstSolution 18.20/18.26 18.20/18.26 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.003436s 18.20/18.26 Time used: 0.003291 18.20/18.26 Solving with 1 template(s). 18.20/18.26 18.20/18.26 LOG: CALL solveNonLinearGetFirstSolution 18.20/18.26 18.20/18.26 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.001661s 18.20/18.26 Time used: 4.00107 18.20/18.26 Solving with 2 template(s). 18.20/18.26 18.20/18.26 LOG: CALL solveNonLinearGetFirstSolution 18.20/18.26 18.20/18.26 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.005966s 18.20/18.26 Time used: 4.00078 18.20/18.26 Solving with 3 template(s). 18.20/18.26 18.20/18.26 LOG: CALL solveNonLinearGetFirstSolution 18.20/18.26 18.20/18.26 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 1.013910s 18.20/18.26 Time used: 1.00712 18.20/18.26 Solving with 1 template(s). 18.20/18.26 18.20/18.26 LOG: CALL solveNonLinearGetFirstSolution 18.20/18.26 18.20/18.26 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.008358s 18.20/18.26 Time used: 0.005584 18.20/18.26 Improving Solution with cost 1 ... 18.20/18.26 18.20/18.26 LOG: CALL solveNonLinearGetNextSolution 18.20/18.26 18.20/18.26 LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.009534s 18.20/18.26 Time used: 0.009495 18.20/18.26 18.20/18.26 LOG: SAT solveNonLinear - Elapsed time: 0.017892s 18.20/18.26 Cost: 1; Total time: 0.015079 18.20/18.26 Quasi-ranking function: 50000 + x_5^0 18.20/18.26 New Graphs: 18.20/18.26 Transitions: 18.20/18.26 undef4, rest remain the same}> 18.20/18.26 Variables: 18.20/18.26 x_5^0 18.20/18.26 Checking conditional termination of SCC {l2}... 18.20/18.26 18.20/18.26 LOG: CALL solveLinear 18.20/18.26 18.20/18.26 LOG: RETURN solveLinear - Elapsed time: 0.000562s 18.20/18.26 18.20/18.26 LOG: CALL solveLinear 18.20/18.26 18.20/18.26 LOG: RETURN solveLinear - Elapsed time: 0.002029s 18.20/18.26 Trying to remove transition: undef4, rest remain the same}> 18.20/18.26 Solving with 1 template(s). 18.20/18.26 18.20/18.26 LOG: CALL solveNonLinearGetFirstSolution 18.20/18.26 18.20/18.26 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.004168s 18.20/18.26 Time used: 0.004016 18.20/18.26 Solving with 1 template(s). 18.20/18.26 18.20/18.26 LOG: CALL solveNonLinearGetFirstSolution 18.20/18.26 18.20/18.26 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.001690s 18.20/18.26 Time used: 4.00113 18.20/18.26 Solving with 2 template(s). 18.20/18.26 18.20/18.26 LOG: CALL solveNonLinearGetFirstSolution 18.20/18.26 18.20/18.26 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.027246s 18.20/18.26 Time used: 4.00078 18.20/18.26 Solving with 3 template(s). 18.20/18.26 18.20/18.26 LOG: CALL solveNonLinearGetFirstSolution 18.20/18.26 18.20/18.26 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 1.005792s 18.20/18.26 Time used: 1.00053 18.20/18.26 Solving with 1 template(s). 18.20/18.26 18.20/18.26 LOG: CALL solveNonLinearGetFirstSolution 18.20/18.26 18.20/18.26 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.007788s 18.20/18.26 Time used: 0.004437 18.20/18.26 18.20/18.26 Proving non-termination of subgraph 1 18.20/18.26 Transitions: 18.20/18.26 undef4, rest remain the same}> 18.20/18.26 Variables: 18.20/18.26 x_5^0 18.20/18.26 18.20/18.26 Checking that every undef value has an assignment... 18.20/18.26 18.20/18.26 LOG: CALL solveLinear 18.20/18.26 18.20/18.26 LOG: RETURN solveLinear - Elapsed time: 0.000949s 18.20/18.26 Checking conditional non-termination of SCC {l2}... 18.20/18.26 EXIT TRANSITIONS: 18.20/18.26 18.20/18.26 18.20/18.26 Solving with 1 template(s). 18.20/18.26 18.20/18.26 LOG: CALL solveNonLinearGetFirstSolution 18.20/18.26 18.20/18.26 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.012587s 18.20/18.26 Time used: 0.012362 18.20/18.26 Improving Solution with cost 1 ... 18.20/18.26 18.20/18.26 LOG: CALL solveNonLinearGetNextSolution 18.20/18.26 18.20/18.26 LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.016088s 18.20/18.26 Time used: 0.016081 18.20/18.26 18.20/18.26 LOG: SAT solveNonLinear - Elapsed time: 0.028676s 18.20/18.26 Cost: 1; Total time: 0.028443 18.20/18.26 Failed at location 2: 1 + x_5^0 <= 0 18.20/18.26 Before Improving: 18.20/18.26 Quasi-invariant at l2: 1 + x_5^0 <= 0 18.20/18.26 Optimizing invariants... 18.20/18.26 18.20/18.26 LOG: CALL solveLinear 18.20/18.26 18.20/18.26 LOG: RETURN solveLinear - Elapsed time: 0.006591s 18.20/18.26 Quasi-invariant improved 18.20/18.26 18.20/18.26 LOG: CALL solveLinear 18.20/18.26 18.20/18.26 LOG: RETURN solveLinear - Elapsed time: 0.001476s 18.20/18.26 Remaining time after improvement: 0.996404 18.20/18.26 Minimizing number of undef constraints... 18.20/18.26 18.20/18.26 LOG: CALL solveNonLinear 18.20/18.26 18.20/18.26 LOG: RETURN solveNonLinear - Elapsed time: 0.002257s 18.20/18.26 Number of undef constraints reduced! 18.20/18.26 18.20/18.26 Non-termination implied by a set of quasi-invariant(s): 18.20/18.26 Quasi-invariant at l2: x_5^0 <= 0 18.20/18.26 18.20/18.26 Strengthening and disabling EXIT transitions... 18.20/18.26 Closed exits from l2: 1 18.20/18.26 18.20/18.26 Strengthening and disabling transitions... 18.20/18.26 18.20/18.26 LOG: CALL solverLinear in Graph for feasibility 18.20/18.26 18.20/18.26 LOG: RETURN solveLinear in Graph for feasibility 18.20/18.26 Strengthening transition (result): 18.20/18.26 undef4, rest remain the same}> 18.20/18.26 18.20/18.26 Calling reachability with... 18.20/18.26 Transition: 18.20/18.26 Conditions: x_5^0 <= 0, 18.20/18.26 OPEN EXITS: 18.20/18.26 18.20/18.26 18.20/18.26 --- Reachability graph --- 18.20/18.26 > Graph without transitions. 18.20/18.26 18.20/18.26 Calling reachability with... 18.20/18.26 Transition: 18.20/18.26 Conditions: x_5^0 <= 0, 18.20/18.26 OPEN EXITS: 18.20/18.26 18.20/18.26 18.20/18.26 > Conditions are reachable! 18.20/18.26 18.20/18.26 Program does NOT terminate 18.20/18.26 /export/starexec/sandbox/solver/bin/starexec_run_termcomp2019_ITS: line 26: delete: command not found 18.20/18.26 /export/starexec/sandbox/solver/bin/starexec_run_termcomp2019_ITS: line 27: edit: command not found 18.20/18.26 EOF