18.85/18.88 NO 18.85/18.88 18.85/18.88 Solver Timeout: 4 18.85/18.88 Global Timeout: 300 18.85/18.88 No parsing errors! 18.85/18.88 Init Location: 0 18.85/18.88 Transitions: 18.85/18.88 18.85/18.88 18.85/18.88 undef6}> 18.85/18.88 18.85/18.88 18.85/18.88 18.85/18.88 (~(1) + WItemsNum^0)}> 18.85/18.88 1}> 18.85/18.88 18.85/18.88 18.85/18.88 (1 + WItemsNum^0)}> 18.85/18.88 (1 + WItemsNum^0)}> 18.85/18.88 18.85/18.88 18.85/18.88 18.85/18.88 18.85/18.88 (0 + undef47), ___rho_1_^0 -> undef47}> 18.85/18.88 18.85/18.88 18.85/18.88 Fresh variables: 18.85/18.88 undef6, undef47, undef49, 18.85/18.88 18.85/18.88 Undef variables: 18.85/18.88 undef6, undef47, undef49, 18.85/18.88 18.85/18.88 Abstraction variables: 18.85/18.88 18.85/18.88 Exit nodes: 18.85/18.88 18.85/18.88 Accepting locations: 18.85/18.88 18.85/18.88 Asserts: 18.85/18.88 18.85/18.88 Preprocessed LLVMGraph 18.85/18.88 Init Location: 0 18.85/18.88 Transitions: 18.85/18.88 18.85/18.88 (1 + WItemsNum^0)}> 18.85/18.88 (1 + WItemsNum^0)}> 18.85/18.88 18.85/18.88 (~(1) + WItemsNum^0)}> 18.85/18.88 1}> 18.85/18.88 18.85/18.88 Fresh variables: 18.85/18.88 undef6, undef47, undef49, 18.85/18.88 18.85/18.88 Undef variables: 18.85/18.88 undef6, undef47, undef49, 18.85/18.88 18.85/18.88 Abstraction variables: 18.85/18.88 18.85/18.88 Exit nodes: 18.85/18.88 18.85/18.88 Accepting locations: 18.85/18.88 18.85/18.88 Asserts: 18.85/18.88 18.85/18.88 ************************************************************* 18.85/18.88 ******************************************************************************************* 18.85/18.88 *********************** WORKING TRANSITION SYSTEM (DAG) *********************** 18.85/18.88 ******************************************************************************************* 18.85/18.88 18.85/18.88 Init Location: 0 18.85/18.88 Graph 0: 18.85/18.88 Transitions: 18.85/18.88 Variables: 18.85/18.88 18.85/18.88 Graph 1: 18.85/18.88 Transitions: 18.85/18.88 1 + WItemsNum^0, rest remain the same}> 18.85/18.88 1 + WItemsNum^0, rest remain the same}> 18.85/18.88 18.85/18.88 -1 + WItemsNum^0, rest remain the same}> 18.85/18.88 1, rest remain the same}> 18.85/18.88 Variables: 18.85/18.88 WItemsNum^0 18.85/18.88 18.85/18.88 Precedence: 18.85/18.88 Graph 0 18.85/18.88 18.85/18.88 Graph 1 18.85/18.88 18.85/18.88 18.85/18.88 Map Locations to Subgraph: 18.85/18.88 ( 0 , 0 ) 18.85/18.88 ( 2 , 1 ) 18.85/18.88 ( 6 , 1 ) 18.85/18.88 18.85/18.88 ******************************************************************************************* 18.85/18.88 ******************************** CHECKING ASSERTIONS ******************************** 18.85/18.88 ******************************************************************************************* 18.85/18.88 18.85/18.88 Proving termination of subgraph 0 18.85/18.88 Proving termination of subgraph 1 18.85/18.88 Checking unfeasibility... 18.85/18.88 Time used: 0.016512 18.85/18.88 18.85/18.88 Checking conditional termination of SCC {l2, l6}... 18.85/18.88 18.85/18.88 LOG: CALL solveLinear 18.85/18.88 18.85/18.88 LOG: RETURN solveLinear - Elapsed time: 0.001386s 18.85/18.88 18.85/18.88 LOG: CALL solveLinear 18.85/18.88 18.85/18.88 LOG: RETURN solveLinear - Elapsed time: 0.016267s 18.85/18.88 Trying to remove transition: 1, rest remain the same}> 18.85/18.88 Solving with 1 template(s). 18.85/18.88 18.85/18.88 LOG: CALL solveNonLinearGetFirstSolution 18.85/18.88 18.85/18.88 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.010093s 18.85/18.88 Time used: 0.009797 18.85/18.88 Trying to remove transition: -1 + WItemsNum^0, rest remain the same}> 18.85/18.88 Solving with 1 template(s). 18.85/18.88 18.85/18.88 LOG: CALL solveNonLinearGetFirstSolution 18.85/18.88 18.85/18.88 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.050769s 18.85/18.88 Time used: 0.049973 18.85/18.88 Trying to remove transition: 1 + WItemsNum^0, rest remain the same}> 18.85/18.88 Solving with 1 template(s). 18.85/18.88 18.85/18.88 LOG: CALL solveNonLinearGetFirstSolution 18.85/18.88 18.85/18.88 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.013801s 18.85/18.88 Time used: 0.012903 18.85/18.88 Trying to remove transition: 1 + WItemsNum^0, rest remain the same}> 18.85/18.88 Solving with 1 template(s). 18.85/18.88 18.85/18.88 LOG: CALL solveNonLinearGetFirstSolution 18.85/18.88 18.85/18.88 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.009494s 18.85/18.88 Time used: 0.008753 18.85/18.88 Solving with 1 template(s). 18.85/18.88 18.85/18.88 LOG: CALL solveNonLinearGetFirstSolution 18.85/18.88 18.85/18.88 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.373520s 18.85/18.88 Time used: 0.372571 18.85/18.88 Improving Solution with cost 1 ... 18.85/18.88 18.85/18.88 LOG: CALL solveNonLinearGetNextSolution 18.85/18.88 18.85/18.88 LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.207253s 18.85/18.88 Time used: 0.207238 18.85/18.88 18.85/18.88 LOG: SAT solveNonLinear - Elapsed time: 0.580772s 18.85/18.88 Cost: 1; Total time: 0.579809 18.85/18.88 Failed at location 2: 6 <= WItemsNum^0 18.85/18.88 Before Improving: 18.85/18.88 Quasi-invariant at l2: 6 <= WItemsNum^0 18.85/18.88 Quasi-invariant at l6: 1 <= 0 18.85/18.88 Optimizing invariants... 18.85/18.88 18.85/18.88 LOG: CALL solveLinear 18.85/18.88 18.85/18.88 LOG: RETURN solveLinear - Elapsed time: 0.015208s 18.85/18.88 Remaining time after improvement: 0.996686 18.85/18.88 Termination implied by a set of quasi-invariant(s): 18.85/18.88 Quasi-invariant at l2: 6 <= WItemsNum^0 18.85/18.88 Quasi-invariant at l6: 1 <= 0 18.85/18.88 [ Invariant Graph ] 18.85/18.88 Strengthening and disabling transitions... 18.85/18.88 18.85/18.88 LOG: CALL solverLinear in Graph for feasibility 18.85/18.88 18.85/18.88 LOG: RETURN solveLinear in Graph for feasibility 18.85/18.88 Strengthening transition (result): 18.85/18.88 1 + WItemsNum^0, rest remain the same}> 18.85/18.88 18.85/18.88 LOG: CALL solverLinear in Graph for feasibility 18.85/18.88 18.85/18.88 LOG: RETURN solveLinear in Graph for feasibility 18.85/18.88 It's unfeasible. Removing transition: 18.85/18.88 1 + WItemsNum^0, rest remain the same}> 18.85/18.88 18.85/18.88 LOG: CALL solverLinear in Graph for feasibility 18.85/18.88 18.85/18.88 LOG: RETURN solveLinear in Graph for feasibility 18.85/18.88 It's unfeasible. Removing transition: 18.85/18.88 18.85/18.88 18.85/18.88 LOG: CALL solverLinear in Graph for feasibility 18.85/18.88 18.85/18.88 LOG: RETURN solveLinear in Graph for feasibility 18.85/18.88 It's unfeasible. Removing transition: 18.85/18.88 -1 + WItemsNum^0, rest remain the same}> 18.85/18.88 18.85/18.88 LOG: CALL solverLinear in Graph for feasibility 18.85/18.88 18.85/18.88 LOG: RETURN solveLinear in Graph for feasibility 18.85/18.88 It's unfeasible. Removing transition: 18.85/18.88 1, rest remain the same}> 18.85/18.88 [ Termination Graph ] 18.85/18.88 Strengthening and disabling transitions... 18.85/18.88 > It's unfeasible. Removing transition: 18.85/18.88 -1 + WItemsNum^0, rest remain the same}> 18.85/18.88 18.85/18.88 LOG: CALL solverLinear in Graph for feasibility 18.85/18.88 18.85/18.88 LOG: RETURN solveLinear in Graph for feasibility 18.85/18.88 Strengthening transition (result): 18.85/18.88 1 + WItemsNum^0, rest remain the same}> 18.85/18.88 18.85/18.88 LOG: CALL solverLinear in Graph for feasibility 18.85/18.88 18.85/18.88 LOG: RETURN solveLinear in Graph for feasibility 18.85/18.88 It's unfeasible. Removing transition: 18.85/18.88 1 + WItemsNum^0, rest remain the same}> 18.85/18.88 18.85/18.88 LOG: CALL solverLinear in Graph for feasibility 18.85/18.88 18.85/18.88 LOG: RETURN solveLinear in Graph for feasibility 18.85/18.88 It's unfeasible. Removing transition: 18.85/18.88 18.85/18.88 18.85/18.88 LOG: CALL solverLinear in Graph for feasibility 18.85/18.88 18.85/18.88 LOG: RETURN solveLinear in Graph for feasibility 18.85/18.88 It's unfeasible. Removing transition: 18.85/18.88 1, rest remain the same}> 18.85/18.88 New Graphs: 18.85/18.88 Transitions: 18.85/18.88 1 + WItemsNum^0, rest remain the same}> 18.85/18.88 Variables: 18.85/18.88 WItemsNum^0 18.85/18.88 Checking conditional termination of SCC {l2}... 18.85/18.88 18.85/18.88 LOG: CALL solveLinear 18.85/18.88 18.85/18.88 LOG: RETURN solveLinear - Elapsed time: 0.000395s 18.85/18.88 18.85/18.88 LOG: CALL solveLinear 18.85/18.88 18.85/18.88 LOG: RETURN solveLinear - Elapsed time: 0.001216s 18.85/18.88 Trying to remove transition: 1 + WItemsNum^0, rest remain the same}> 18.85/18.88 Solving with 1 template(s). 18.85/18.88 18.85/18.88 LOG: CALL solveNonLinearGetFirstSolution 18.85/18.88 18.85/18.88 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.003509s 18.85/18.88 Time used: 0.003385 18.85/18.88 Solving with 1 template(s). 18.85/18.88 18.85/18.88 LOG: CALL solveNonLinearGetFirstSolution 18.85/18.88 18.85/18.88 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.002560s 18.85/18.88 Time used: 4.00206 18.85/18.88 Solving with 2 template(s). 18.85/18.88 18.85/18.88 LOG: CALL solveNonLinearGetFirstSolution 18.85/18.88 18.85/18.88 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.006290s 18.85/18.88 Time used: 4.0009 18.85/18.88 Solving with 3 template(s). 18.85/18.88 18.85/18.88 LOG: CALL solveNonLinearGetFirstSolution 18.85/18.88 18.85/18.88 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 1.006883s 18.85/18.88 Time used: 1.00097 18.85/18.88 Solving with 1 template(s). 18.85/18.88 18.85/18.88 LOG: CALL solveNonLinearGetFirstSolution 18.85/18.88 18.85/18.88 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.009275s 18.85/18.88 Time used: 0.005521 18.85/18.88 Improving Solution with cost 1 ... 18.85/18.88 18.85/18.88 LOG: CALL solveNonLinearGetNextSolution 18.85/18.88 18.85/18.88 LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.008517s 18.85/18.88 Time used: 0.008512 18.85/18.88 18.85/18.88 LOG: SAT solveNonLinear - Elapsed time: 0.017792s 18.85/18.88 Cost: 1; Total time: 0.014033 18.85/18.88 Quasi-ranking function: 50000 - WItemsNum^0 18.85/18.88 New Graphs: 18.85/18.88 Transitions: 18.85/18.88 1 + WItemsNum^0, rest remain the same}> 18.85/18.88 Variables: 18.85/18.88 WItemsNum^0 18.85/18.88 Checking conditional termination of SCC {l2}... 18.85/18.88 18.85/18.88 LOG: CALL solveLinear 18.85/18.88 18.85/18.88 LOG: RETURN solveLinear - Elapsed time: 0.000413s 18.85/18.88 18.85/18.88 LOG: CALL solveLinear 18.85/18.88 18.85/18.88 LOG: RETURN solveLinear - Elapsed time: 0.001282s 18.85/18.88 Trying to remove transition: 1 + WItemsNum^0, rest remain the same}> 18.85/18.88 Solving with 1 template(s). 18.85/18.88 18.85/18.88 LOG: CALL solveNonLinearGetFirstSolution 18.85/18.88 18.85/18.88 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.003727s 18.85/18.88 Time used: 0.003602 18.85/18.88 Solving with 1 template(s). 18.85/18.88 18.85/18.88 LOG: CALL solveNonLinearGetFirstSolution 18.85/18.88 18.85/18.88 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.001814s 18.85/18.88 Time used: 4.00131 18.85/18.88 Solving with 2 template(s). 18.85/18.88 18.85/18.88 LOG: CALL solveNonLinearGetFirstSolution 18.85/18.88 18.85/18.88 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.005229s 18.85/18.88 Time used: 4.00105 18.85/18.88 Solving with 3 template(s). 18.85/18.88 18.85/18.88 LOG: CALL solveNonLinearGetFirstSolution 18.85/18.88 18.85/18.88 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 1.007066s 18.85/18.88 Time used: 1.00117 18.85/18.88 Solving with 1 template(s). 18.85/18.88 18.85/18.88 LOG: CALL solveNonLinearGetFirstSolution 18.85/18.88 18.85/18.88 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.008527s 18.85/18.88 Time used: 0.004205 18.85/18.88 Termination failed. Trying to show unreachability... 18.85/18.88 Proving unreachability of entry: 18.85/18.88 18.85/18.88 LOG: CALL check - Post:1 <= 0 - Process 1 18.85/18.88 * Exit transition: 18.85/18.88 * Postcondition : 1 <= 0 18.85/18.88 18.85/18.88 LOG: CALL solveLinear 18.85/18.88 18.85/18.88 LOG: RETURN solveLinear - Elapsed time: 0.001068s 18.85/18.88 > Postcondition is not implied! 18.85/18.88 18.85/18.88 LOG: RETURN check - Elapsed time: 0.001148s 18.85/18.88 Cannot prove unreachability 18.85/18.88 18.85/18.88 Proving non-termination of subgraph 1 18.85/18.88 Transitions: 18.85/18.88 1 + WItemsNum^0, rest remain the same}> 18.85/18.88 1 + WItemsNum^0, rest remain the same}> 18.85/18.88 18.85/18.88 -1 + WItemsNum^0, rest remain the same}> 18.85/18.88 1, rest remain the same}> 18.85/18.88 Variables: 18.85/18.88 WItemsNum^0 18.85/18.88 18.85/18.88 Checking conditional non-termination of SCC {l2, l6}... 18.85/18.88 > No exit transition to close. 18.85/18.88 Calling reachability with... 18.85/18.88 Transition: 18.85/18.88 Conditions: 18.85/18.88 OPEN EXITS: 18.85/18.88 18.85/18.88 18.85/18.88 --- Reachability graph --- 18.85/18.88 > Graph without transitions. 18.85/18.88 18.85/18.88 Calling reachability with... 18.85/18.88 Transition: 18.85/18.88 Conditions: 18.85/18.88 OPEN EXITS: 18.85/18.88 18.85/18.88 18.85/18.88 > Conditions are reachable! 18.85/18.88 18.85/18.88 Program does NOT terminate 18.85/18.88 /export/starexec/sandbox/solver/bin/starexec_run_termcomp2019_ITS: line 26: delete: command not found 18.85/18.88 /export/starexec/sandbox/solver/bin/starexec_run_termcomp2019_ITS: line 27: edit: command not found 18.85/18.88 EOF