18.30/18.36 NO 18.30/18.36 18.30/18.36 Solver Timeout: 4 18.30/18.36 Global Timeout: 300 18.30/18.36 No parsing errors! 18.30/18.36 Init Location: 0 18.30/18.36 Transitions: 18.30/18.36 18.30/18.36 0) /\ (arg2 > ~(1)), par{arg1 -> arg2, arg2 -> undef2}> 18.30/18.36 0) /\ (arg1 < 4), par{arg1 -> (arg1 - 1), arg2 -> undef4}> 18.30/18.36 3), par{arg1 -> (arg1 + 1), arg2 -> undef6}> 18.30/18.36 undef7, arg2 -> undef8}> 18.30/18.36 18.30/18.36 Fresh variables: 18.30/18.36 undef2, undef4, undef6, undef7, undef8, 18.30/18.36 18.30/18.36 Undef variables: 18.30/18.36 undef2, undef4, undef6, undef7, undef8, 18.30/18.36 18.30/18.36 Abstraction variables: 18.30/18.36 18.30/18.36 Exit nodes: 18.30/18.36 18.30/18.36 Accepting locations: 18.30/18.36 18.30/18.36 Asserts: 18.30/18.36 18.30/18.36 Preprocessed LLVMGraph 18.30/18.36 Init Location: 0 18.30/18.36 Transitions: 18.30/18.36 0) /\ (undef8 > ~(1))> 18.30/18.36 0) /\ (arg1 < 4), par{arg1 -> (arg1 - 1)}> 18.30/18.36 3), par{arg1 -> (arg1 + 1)}> 18.30/18.36 18.30/18.36 Fresh variables: 18.30/18.36 undef2, undef4, undef6, undef7, undef8, 18.30/18.36 18.30/18.36 Undef variables: 18.30/18.36 undef2, undef4, undef6, undef7, undef8, 18.30/18.36 18.30/18.36 Abstraction variables: 18.30/18.36 18.30/18.36 Exit nodes: 18.30/18.36 18.30/18.36 Accepting locations: 18.30/18.36 18.30/18.36 Asserts: 18.30/18.36 18.30/18.36 ************************************************************* 18.30/18.36 ******************************************************************************************* 18.30/18.36 *********************** WORKING TRANSITION SYSTEM (DAG) *********************** 18.30/18.36 ******************************************************************************************* 18.30/18.36 18.30/18.36 Init Location: 0 18.30/18.36 Graph 0: 18.30/18.36 Transitions: 18.30/18.36 Variables: 18.30/18.36 18.30/18.36 Graph 1: 18.30/18.36 Transitions: 18.30/18.36 -1 + arg1, rest remain the same}> 18.30/18.36 1 + arg1, rest remain the same}> 18.30/18.36 Variables: 18.30/18.36 arg1 18.30/18.36 18.30/18.36 Precedence: 18.30/18.36 Graph 0 18.30/18.36 18.30/18.36 Graph 1 18.30/18.36 18.30/18.36 18.30/18.36 Map Locations to Subgraph: 18.30/18.36 ( 0 , 0 ) 18.30/18.36 ( 2 , 1 ) 18.30/18.36 18.30/18.36 ******************************************************************************************* 18.30/18.36 ******************************** CHECKING ASSERTIONS ******************************** 18.30/18.36 ******************************************************************************************* 18.30/18.36 18.30/18.36 Proving termination of subgraph 0 18.30/18.36 Proving termination of subgraph 1 18.30/18.36 Checking unfeasibility... 18.30/18.37 Time used: 0.002868 18.30/18.37 18.30/18.37 Checking conditional termination of SCC {l2}... 18.30/18.37 18.30/18.37 LOG: CALL solveLinear 18.30/18.37 18.30/18.37 LOG: RETURN solveLinear - Elapsed time: 0.000765s 18.30/18.37 18.30/18.37 LOG: CALL solveLinear 18.30/18.37 18.30/18.37 LOG: RETURN solveLinear - Elapsed time: 0.003019s 18.30/18.37 Piecewise ranking function: min(-5 + 5*arg1,79 - 21*arg1) 18.30/18.37 New Graphs: 18.30/18.37 Transitions: 18.30/18.37 1 + arg1, rest remain the same}> 18.30/18.37 Variables: 18.30/18.37 arg1 18.30/18.37 Checking conditional termination of SCC {l2}... 18.30/18.37 18.30/18.37 LOG: CALL solveLinear 18.30/18.37 18.30/18.37 LOG: RETURN solveLinear - Elapsed time: 0.000387s 18.30/18.37 18.30/18.37 LOG: CALL solveLinear 18.30/18.37 18.30/18.37 LOG: RETURN solveLinear - Elapsed time: 0.001144s 18.30/18.37 Trying to remove transition: 1 + arg1, rest remain the same}> 18.30/18.37 Solving with 1 template(s). 18.30/18.37 18.30/18.37 LOG: CALL solveNonLinearGetFirstSolution 18.30/18.37 18.30/18.37 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.003487s 18.30/18.37 Time used: 0.003366 18.30/18.37 Solving with 1 template(s). 18.30/18.37 18.30/18.37 LOG: CALL solveNonLinearGetFirstSolution 18.30/18.37 18.30/18.37 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.006475s 18.30/18.37 Time used: 0.006213 18.30/18.37 Improving Solution with cost 1 ... 18.30/18.37 18.30/18.37 LOG: CALL solveNonLinearGetNextSolution 18.30/18.37 18.30/18.37 LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.019253s 18.30/18.37 Time used: 0.019247 18.30/18.37 18.30/18.37 LOG: SAT solveNonLinear - Elapsed time: 0.025728s 18.30/18.37 Cost: 1; Total time: 0.02546 18.30/18.37 Failed at location 2: arg1 <= 0 18.30/18.37 Before Improving: 18.30/18.37 Quasi-invariant at l2: arg1 <= 0 18.30/18.37 Optimizing invariants... 18.30/18.37 18.30/18.37 LOG: CALL solveLinear 18.30/18.37 18.30/18.37 LOG: RETURN solveLinear - Elapsed time: 0.002170s 18.30/18.37 Remaining time after improvement: 0.999101 18.30/18.37 Termination implied by a set of quasi-invariant(s): 18.30/18.37 Quasi-invariant at l2: arg1 <= 0 18.30/18.37 [ Invariant Graph ] 18.30/18.37 Strengthening and disabling transitions... 18.30/18.37 18.30/18.37 LOG: CALL solverLinear in Graph for feasibility 18.30/18.37 18.30/18.37 LOG: RETURN solveLinear in Graph for feasibility 18.30/18.37 It's unfeasible. Removing transition: 18.30/18.37 -1 + arg1, rest remain the same}> 18.30/18.37 18.30/18.37 LOG: CALL solverLinear in Graph for feasibility 18.30/18.37 18.30/18.37 LOG: RETURN solveLinear in Graph for feasibility 18.30/18.37 It's unfeasible. Removing transition: 18.30/18.37 1 + arg1, rest remain the same}> 18.30/18.37 [ Termination Graph ] 18.30/18.37 Strengthening and disabling transitions... 18.30/18.37 > It's unfeasible. Removing transition: 18.30/18.37 1 + arg1, rest remain the same}> 18.30/18.37 New Graphs: 18.30/18.37 Calling Safety with literal arg1 <= 0 and entry 18.30/18.37 18.30/18.37 LOG: CALL check - Post:arg1 <= 0 - Process 1 18.30/18.37 * Exit transition: 18.30/18.37 * Postcondition : arg1 <= 0 18.30/18.37 18.30/18.37 LOG: CALL solveLinear 18.30/18.37 18.30/18.37 LOG: RETURN solveLinear - Elapsed time: 0.000515s 18.30/18.37 > Postcondition is not implied! 18.30/18.37 18.30/18.37 LOG: RETURN check - Elapsed time: 0.000607s 18.30/18.37 INVARIANTS: 18.30/18.37 2: 18.30/18.37 Quasi-INVARIANTS to narrow Graph: 18.30/18.37 2: arg1 <= 0 , 18.30/18.37 Narrowing transition: 18.30/18.37 -1 + arg1, rest remain the same}> 18.30/18.37 18.30/18.37 LOG: Narrow transition size 1 18.30/18.37 Narrowing transition: 18.30/18.37 1 + arg1, rest remain the same}> 18.30/18.37 18.30/18.37 LOG: Narrow transition size 1 18.30/18.37 invGraph after Narrowing: 18.30/18.37 Transitions: 18.30/18.37 -1 + arg1, rest remain the same}> 18.30/18.37 1 + arg1, rest remain the same}> 18.30/18.37 Variables: 18.30/18.37 arg1 18.30/18.37 Checking conditional termination of SCC {l2}... 18.30/18.37 18.30/18.37 LOG: CALL solveLinear 18.30/18.37 18.30/18.37 LOG: RETURN solveLinear - Elapsed time: 0.000691s 18.30/18.37 18.30/18.37 LOG: CALL solveLinear 18.30/18.37 18.30/18.37 LOG: RETURN solveLinear - Elapsed time: 0.002921s 18.30/18.37 Piecewise ranking function: min(-5 + 5*arg1,79 - 21*arg1) 18.30/18.37 New Graphs: 18.30/18.37 Transitions: 18.30/18.37 1 + arg1, rest remain the same}> 18.30/18.37 Variables: 18.30/18.37 arg1 18.30/18.37 Checking conditional termination of SCC {l2}... 18.30/18.37 18.30/18.37 LOG: CALL solveLinear 18.30/18.37 18.30/18.37 LOG: RETURN solveLinear - Elapsed time: 0.000403s 18.30/18.37 18.30/18.37 LOG: CALL solveLinear 18.30/18.37 18.30/18.37 LOG: RETURN solveLinear - Elapsed time: 0.001193s 18.30/18.37 Trying to remove transition: 1 + arg1, rest remain the same}> 18.30/18.37 Solving with 1 template(s). 18.30/18.37 18.30/18.37 LOG: CALL solveNonLinearGetFirstSolution 18.30/18.37 18.30/18.37 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.003403s 18.30/18.37 Time used: 0.003283 18.30/18.37 Solving with 1 template(s). 18.30/18.37 18.30/18.37 LOG: CALL solveNonLinearGetFirstSolution 18.30/18.37 18.30/18.37 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.006669s 18.30/18.37 Time used: 0.006341 18.30/18.37 Improving Solution with cost 1 ... 18.30/18.37 18.30/18.37 LOG: CALL solveNonLinearGetNextSolution 18.30/18.37 18.30/18.37 LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.017168s 18.30/18.37 Time used: 0.017163 18.30/18.37 18.30/18.37 LOG: SAT solveNonLinear - Elapsed time: 0.023837s 18.30/18.37 Cost: 1; Total time: 0.023504 18.30/18.37 Failed at location 2: arg1 <= 1 18.30/18.37 Before Improving: 18.30/18.37 Quasi-invariant at l2: arg1 <= 1 18.30/18.37 Optimizing invariants... 18.30/18.37 18.30/18.37 LOG: CALL solveLinear 18.30/18.37 18.30/18.37 LOG: RETURN solveLinear - Elapsed time: 0.002448s 18.30/18.37 Quasi-invariant improved 18.30/18.37 18.30/18.37 LOG: CALL solveLinear 18.30/18.37 18.30/18.37 LOG: RETURN solveLinear - Elapsed time: 0.001388s 18.30/18.37 Quasi-invariant improved 18.30/18.37 18.30/18.37 LOG: CALL solveLinear 18.30/18.37 18.30/18.37 LOG: RETURN solveLinear - Elapsed time: 0.001025s 18.30/18.37 Remaining time after improvement: 0.996606 18.30/18.37 Termination implied by a set of quasi-invariant(s): 18.30/18.37 Quasi-invariant at l2: arg1 <= 3 18.30/18.37 [ Invariant Graph ] 18.30/18.37 Strengthening and disabling transitions... 18.30/18.37 18.30/18.37 LOG: CALL solverLinear in Graph for feasibility 18.30/18.37 18.30/18.37 LOG: RETURN solveLinear in Graph for feasibility 18.30/18.37 Strengthening transition (result): 18.30/18.37 -1 + arg1, rest remain the same}> 18.30/18.37 18.30/18.37 LOG: CALL solverLinear in Graph for feasibility 18.30/18.37 18.30/18.37 LOG: RETURN solveLinear in Graph for feasibility 18.30/18.37 It's unfeasible. Removing transition: 18.30/18.37 1 + arg1, rest remain the same}> 18.30/18.37 [ Termination Graph ] 18.30/18.37 Strengthening and disabling transitions... 18.30/18.37 18.30/18.37 LOG: CALL solverLinear in Graph for feasibility 18.30/18.37 18.30/18.37 LOG: RETURN solveLinear in Graph for feasibility 18.30/18.37 It's unfeasible. Removing transition: 18.30/18.37 1 + arg1, rest remain the same}> 18.30/18.37 New Graphs: 18.30/18.37 Calling Safety with literal arg1 <= 3 and entry 18.30/18.37 18.30/18.37 LOG: CALL check - Post:arg1 <= 3 - Process 2 18.30/18.37 * Exit transition: 18.30/18.37 * Postcondition : arg1 <= 3 18.30/18.37 18.30/18.37 LOG: CALL solveLinear 18.30/18.37 18.30/18.37 LOG: RETURN solveLinear - Elapsed time: 0.000494s 18.30/18.37 > Postcondition is not implied! 18.30/18.37 18.30/18.37 LOG: RETURN check - Elapsed time: 0.000607s 18.30/18.37 INVARIANTS: 18.30/18.37 2: 18.30/18.37 Quasi-INVARIANTS to narrow Graph: 18.30/18.37 2: arg1 <= 3 , 18.30/18.37 It's unfeasible. Removing transition: 18.30/18.37 -1 + arg1, rest remain the same}> 18.30/18.37 Narrowing transition: 18.30/18.37 1 + arg1, rest remain the same}> 18.30/18.37 18.30/18.37 LOG: Narrow transition size 1 18.30/18.37 invGraph after Narrowing: 18.30/18.37 Transitions: 18.30/18.37 1 + arg1, rest remain the same}> 18.30/18.37 Variables: 18.30/18.37 arg1 18.30/18.37 Checking conditional termination of SCC {l2}... 18.30/18.37 18.30/18.37 LOG: CALL solveLinear 18.30/18.37 18.30/18.37 LOG: RETURN solveLinear - Elapsed time: 0.000386s 18.30/18.37 18.30/18.37 LOG: CALL solveLinear 18.30/18.37 18.30/18.37 LOG: RETURN solveLinear - Elapsed time: 0.001202s 18.30/18.37 Trying to remove transition: 1 + arg1, rest remain the same}> 18.30/18.37 Solving with 1 template(s). 18.30/18.37 18.30/18.37 LOG: CALL solveNonLinearGetFirstSolution 18.30/18.37 18.30/18.37 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.003368s 18.30/18.37 Time used: 0.003247 18.30/18.37 Solving with 1 template(s). 18.30/18.37 18.30/18.37 LOG: CALL solveNonLinearGetFirstSolution 18.30/18.37 18.30/18.37 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.066414s 18.30/18.37 Time used: 4.0658 18.30/18.37 Solving with 2 template(s). 18.30/18.37 18.30/18.37 LOG: CALL solveNonLinearGetFirstSolution 18.30/18.37 18.30/18.37 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.007058s 18.30/18.37 Time used: 4.00085 18.30/18.37 Solving with 3 template(s). 18.30/18.37 18.30/18.37 LOG: CALL solveNonLinearGetFirstSolution 18.30/18.37 18.30/18.37 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 1.018684s 18.30/18.37 Time used: 1.01291 18.30/18.37 Solving with 1 template(s). 18.30/18.37 18.30/18.37 LOG: CALL solveNonLinearGetFirstSolution 18.30/18.37 18.30/18.37 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.008895s 18.30/18.37 Time used: 0.005322 18.30/18.37 Improving Solution with cost 1 ... 18.30/18.37 18.30/18.37 LOG: CALL solveNonLinearGetNextSolution 18.30/18.37 18.30/18.37 LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.013156s 18.30/18.37 Time used: 0.01315 18.30/18.37 18.30/18.37 LOG: SAT solveNonLinear - Elapsed time: 0.022050s 18.30/18.37 Cost: 1; Total time: 0.018472 18.30/18.37 Quasi-ranking function: 50000 - arg1 18.30/18.37 New Graphs: 18.30/18.37 Transitions: 18.30/18.37 1 + arg1, rest remain the same}> 18.30/18.37 Variables: 18.30/18.37 arg1 18.30/18.37 Checking conditional termination of SCC {l2}... 18.30/18.37 18.30/18.37 LOG: CALL solveLinear 18.30/18.37 18.30/18.37 LOG: RETURN solveLinear - Elapsed time: 0.000410s 18.30/18.37 18.30/18.37 LOG: CALL solveLinear 18.30/18.37 18.30/18.37 LOG: RETURN solveLinear - Elapsed time: 0.001287s 18.30/18.37 Trying to remove transition: 1 + arg1, rest remain the same}> 18.30/18.37 Solving with 1 template(s). 18.30/18.37 18.30/18.37 LOG: CALL solveNonLinearGetFirstSolution 18.30/18.37 18.30/18.37 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.003681s 18.30/18.37 Time used: 0.003555 18.30/18.37 Solving with 1 template(s). 18.30/18.37 18.30/18.37 LOG: CALL solveNonLinearGetFirstSolution 18.30/18.37 18.30/18.37 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.003148s 18.30/18.37 Time used: 4.00239 18.30/18.37 Solving with 2 template(s). 18.30/18.37 18.30/18.37 LOG: CALL solveNonLinearGetFirstSolution 18.30/18.37 18.30/18.37 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.008025s 18.30/18.37 Time used: 4.00249 18.30/18.37 Solving with 3 template(s). 18.30/18.37 18.30/18.37 LOG: CALL solveNonLinearGetFirstSolution 18.30/18.37 18.30/18.37 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 1.011531s 18.30/18.37 Time used: 1.0011 18.30/18.37 Solving with 1 template(s). 18.30/18.37 18.30/18.37 LOG: CALL solveNonLinearGetFirstSolution 18.30/18.37 18.30/18.37 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.008526s 18.30/18.37 Time used: 0.004788 18.30/18.37 18.30/18.37 Proving non-termination of subgraph 1 18.30/18.37 Transitions: 18.30/18.37 1 + arg1, rest remain the same}> 18.30/18.37 Variables: 18.30/18.37 arg1 18.30/18.37 18.30/18.37 Checking conditional non-termination of SCC {l2}... 18.30/18.37 EXIT TRANSITIONS: 18.30/18.37 18.30/18.37 18.30/18.37 Solving with 1 template(s). 18.30/18.37 18.30/18.37 LOG: CALL solveNonLinearGetFirstSolution 18.30/18.37 18.30/18.37 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.014183s 18.30/18.37 Time used: 0.01402 18.30/18.37 Improving Solution with cost 1 ... 18.30/18.37 18.30/18.37 LOG: CALL solveNonLinearGetNextSolution 18.30/18.37 18.30/18.37 LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.004393s 18.30/18.37 Time used: 0.004389 18.30/18.37 18.30/18.37 LOG: SAT solveNonLinear - Elapsed time: 0.018576s 18.30/18.37 Cost: 1; Total time: 0.018409 18.30/18.37 Failed at location 2: 4 <= arg1 18.30/18.37 Before Improving: 18.30/18.37 Quasi-invariant at l2: 4 <= arg1 18.30/18.37 Optimizing invariants... 18.30/18.37 18.30/18.37 LOG: CALL solveLinear 18.30/18.37 18.30/18.37 LOG: RETURN solveLinear - Elapsed time: 0.001358s 18.30/18.37 Remaining time after improvement: 0.999262 18.30/18.37 Non-termination implied by a set of quasi-invariant(s): 18.30/18.37 Quasi-invariant at l2: 4 <= arg1 18.30/18.37 18.30/18.37 Strengthening and disabling EXIT transitions... 18.30/18.37 Closed exits from l2: 1 18.30/18.37 18.30/18.37 Strengthening and disabling transitions... 18.30/18.37 18.30/18.37 LOG: CALL solverLinear in Graph for feasibility 18.30/18.37 18.30/18.37 LOG: RETURN solveLinear in Graph for feasibility 18.30/18.37 Strengthening transition (result): 18.30/18.37 1 + arg1, rest remain the same}> 18.30/18.37 18.30/18.37 Calling reachability with... 18.30/18.37 Transition: 18.30/18.37 Conditions: 4 <= arg1, 18.30/18.37 OPEN EXITS: 18.30/18.37 18.30/18.37 18.30/18.37 --- Reachability graph --- 18.30/18.37 > Graph without transitions. 18.30/18.37 18.30/18.37 Calling reachability with... 18.30/18.37 Transition: 18.30/18.37 Conditions: 4 <= arg1, 18.30/18.37 OPEN EXITS: 18.30/18.37 18.30/18.37 18.30/18.37 > Conditions are reachable! 18.30/18.37 18.30/18.37 Program does NOT terminate 18.30/18.37 /export/starexec/sandbox/solver/bin/starexec_run_termcomp2019_ITS: line 26: delete: command not found 18.30/18.37 /export/starexec/sandbox/solver/bin/starexec_run_termcomp2019_ITS: line 27: edit: command not found 18.30/18.37 EOF