18.23/18.25 NO 18.23/18.25 18.23/18.25 Solver Timeout: 4 18.23/18.25 Global Timeout: 300 18.23/18.25 No parsing errors! 18.23/18.25 Init Location: 0 18.23/18.25 Transitions: 18.23/18.25 18.23/18.25 ~(1)) /\ (arg2 > 1) /\ ((undef4 - (2 * undef5)) = 1) /\ (undef4 > ~(1)) /\ (arg1 > 0)> 18.23/18.25 ~(1)) /\ (arg2 > 1) /\ ((undef8 - (2 * undef9)) = 1) /\ (undef8 > ~(1)) /\ (arg1 > 0) /\ ((undef8 - (2 * undef9)) < 2) /\ ((undef8 - (2 * undef9)) >= 0), par{arg1 -> undef6, arg2 -> undef7}> 18.23/18.25 ~(1)) /\ (arg2 > 1) /\ ((undef13 - (2 * undef14)) = 0) /\ (undef13 > ~(1)) /\ (arg1 > 0)> 18.23/18.25 ~(1)) /\ (arg2 > 1) /\ ((undef18 - (2 * undef19)) = 0) /\ (undef18 > ~(1)) /\ (arg1 > 0) /\ ((undef18 - (2 * undef19)) < 2) /\ ((undef18 - (2 * undef19)) >= 0), par{arg1 -> (0 - undef17), arg2 -> undef16}> 18.23/18.25 (arg1 - 1), arg2 -> undef21}> 18.23/18.25 0), par{arg1 -> (arg1 - 1), arg2 -> undef23}> 18.23/18.25 undef24, arg2 -> undef25}> 18.23/18.25 18.23/18.25 Fresh variables: 18.23/18.25 undef3, undef4, undef5, undef6, undef7, undef8, undef9, undef12, undef13, undef14, undef16, undef17, undef18, undef19, undef21, undef23, undef24, undef25, 18.23/18.25 18.23/18.25 Undef variables: 18.23/18.25 undef3, undef4, undef5, undef6, undef7, undef8, undef9, undef12, undef13, undef14, undef16, undef17, undef18, undef19, undef21, undef23, undef24, undef25, 18.23/18.25 18.23/18.25 Abstraction variables: 18.23/18.25 18.23/18.25 Exit nodes: 18.23/18.25 18.23/18.25 Accepting locations: 18.23/18.25 18.23/18.25 Asserts: 18.23/18.25 18.23/18.25 Preprocessed LLVMGraph 18.23/18.25 Init Location: 0 18.23/18.25 Transitions: 18.23/18.25 ~(1)) /\ (undef25 > 1) /\ ((undef4 - (2 * undef5)) = 1) /\ (undef4 > ~(1)) /\ (undef24 > 0) /\ (undef6 > ~(1)) /\ (undef25 > 1) /\ ((undef8 - (2 * undef9)) = 1) /\ (undef8 > ~(1)) /\ (undef24 > 0) /\ ((undef8 - (2 * undef9)) < 2) /\ ((undef8 - (2 * undef9)) >= 0), par{arg1 -> undef6}> 18.23/18.25 ~(1)) /\ (undef25 > 1) /\ ((undef4 - (2 * undef5)) = 1) /\ (undef4 > ~(1)) /\ (undef24 > 0) /\ (undef17 > ~(1)) /\ (undef25 > 1) /\ ((undef18 - (2 * undef19)) = 0) /\ (undef18 > ~(1)) /\ (undef24 > 0) /\ ((undef18 - (2 * undef19)) < 2) /\ ((undef18 - (2 * undef19)) >= 0), par{arg1 -> (0 - undef17)}> 18.23/18.25 ~(1)) /\ (undef25 > 1) /\ ((undef13 - (2 * undef14)) = 0) /\ (undef13 > ~(1)) /\ (undef24 > 0) /\ (undef6 > ~(1)) /\ (undef25 > 1) /\ ((undef8 - (2 * undef9)) = 1) /\ (undef8 > ~(1)) /\ (undef24 > 0) /\ ((undef8 - (2 * undef9)) < 2) /\ ((undef8 - (2 * undef9)) >= 0), par{arg1 -> undef6}> 18.23/18.25 ~(1)) /\ (undef25 > 1) /\ ((undef13 - (2 * undef14)) = 0) /\ (undef13 > ~(1)) /\ (undef24 > 0) /\ (undef17 > ~(1)) /\ (undef25 > 1) /\ ((undef18 - (2 * undef19)) = 0) /\ (undef18 > ~(1)) /\ (undef24 > 0) /\ ((undef18 - (2 * undef19)) < 2) /\ ((undef18 - (2 * undef19)) >= 0), par{arg1 -> (0 - undef17)}> 18.23/18.25 (arg1 - 1)}> 18.23/18.25 0), par{arg1 -> (arg1 - 1)}> 18.23/18.25 18.23/18.25 Fresh variables: 18.23/18.25 undef3, undef4, undef5, undef6, undef7, undef8, undef9, undef12, undef13, undef14, undef16, undef17, undef18, undef19, undef21, undef23, undef24, undef25, 18.23/18.25 18.23/18.25 Undef variables: 18.23/18.25 undef3, undef4, undef5, undef6, undef7, undef8, undef9, undef12, undef13, undef14, undef16, undef17, undef18, undef19, undef21, undef23, undef24, undef25, 18.23/18.25 18.23/18.25 Abstraction variables: 18.23/18.25 18.23/18.25 Exit nodes: 18.23/18.25 18.23/18.25 Accepting locations: 18.23/18.25 18.23/18.25 Asserts: 18.23/18.25 18.23/18.25 ************************************************************* 18.23/18.25 ******************************************************************************************* 18.23/18.25 *********************** WORKING TRANSITION SYSTEM (DAG) *********************** 18.23/18.25 ******************************************************************************************* 18.23/18.25 18.23/18.25 Init Location: 0 18.23/18.25 Graph 0: 18.23/18.25 Transitions: 18.23/18.25 Variables: 18.23/18.25 18.23/18.25 Graph 1: 18.23/18.25 Transitions: 18.23/18.25 -1 + arg1, rest remain the same}> 18.23/18.25 -1 + arg1, rest remain the same}> 18.23/18.25 Variables: 18.23/18.25 arg1 18.23/18.25 18.23/18.25 Precedence: 18.23/18.25 Graph 0 18.23/18.25 18.23/18.25 Graph 1 18.23/18.25 undef6, rest remain the same}> 18.23/18.25 -undef17, rest remain the same}> 18.23/18.25 undef6, rest remain the same}> 18.23/18.25 -undef17, rest remain the same}> 18.23/18.25 18.23/18.25 Map Locations to Subgraph: 18.23/18.25 ( 0 , 0 ) 18.23/18.25 ( 3 , 1 ) 18.23/18.25 18.23/18.25 ******************************************************************************************* 18.23/18.25 ******************************** CHECKING ASSERTIONS ******************************** 18.23/18.25 ******************************************************************************************* 18.23/18.25 18.23/18.25 Proving termination of subgraph 0 18.23/18.25 Proving termination of subgraph 1 18.23/18.25 Checking unfeasibility... 18.23/18.25 Time used: 0.004333 18.23/18.25 18.23/18.25 Checking conditional termination of SCC {l3}... 18.23/18.25 18.23/18.25 LOG: CALL solveLinear 18.23/18.25 18.23/18.25 LOG: RETURN solveLinear - Elapsed time: 0.000873s 18.23/18.25 Ranking function: -1 + arg1 18.23/18.25 New Graphs: 18.23/18.25 Transitions: 18.23/18.25 -1 + arg1, rest remain the same}> 18.23/18.25 Variables: 18.23/18.25 arg1 18.23/18.25 Checking conditional termination of SCC {l3}... 18.23/18.25 18.23/18.25 LOG: CALL solveLinear 18.23/18.25 18.23/18.25 LOG: RETURN solveLinear - Elapsed time: 0.000375s 18.23/18.25 18.23/18.25 LOG: CALL solveLinear 18.23/18.25 18.23/18.25 LOG: RETURN solveLinear - Elapsed time: 0.001132s 18.23/18.25 Trying to remove transition: -1 + arg1, rest remain the same}> 18.23/18.25 Solving with 1 template(s). 18.23/18.25 18.23/18.25 LOG: CALL solveNonLinearGetFirstSolution 18.23/18.25 18.23/18.25 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.003527s 18.23/18.25 Time used: 0.003393 18.23/18.25 Solving with 1 template(s). 18.23/18.25 18.23/18.25 LOG: CALL solveNonLinearGetFirstSolution 18.23/18.25 18.23/18.25 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.008463s 18.23/18.25 Time used: 0.008141 18.23/18.25 Improving Solution with cost 2 ... 18.23/18.25 18.23/18.25 LOG: CALL solveNonLinearGetNextSolution 18.23/18.25 18.23/18.25 LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.019867s 18.23/18.25 Time used: 0.019862 18.23/18.25 18.23/18.25 LOG: SAT solveNonLinear - Elapsed time: 0.028330s 18.23/18.25 Cost: 2; Total time: 0.028003 18.23/18.25 Failed at location 3: 0 <= arg1 18.23/18.25 Failed at location 3: 0 <= arg1 18.23/18.25 Before Improving: 18.23/18.25 Quasi-invariant at l3: 0 <= arg1 18.23/18.25 Optimizing invariants... 18.23/18.25 18.23/18.25 LOG: CALL solveLinear 18.23/18.25 18.23/18.25 LOG: RETURN solveLinear - Elapsed time: 0.003071s 18.23/18.25 Remaining time after improvement: 0.998521 18.23/18.25 Termination implied by a set of quasi-invariant(s): 18.23/18.25 Quasi-invariant at l3: 0 <= arg1 18.23/18.25 [ Invariant Graph ] 18.23/18.25 Strengthening and disabling transitions... 18.23/18.25 18.23/18.25 LOG: CALL solverLinear in Graph for feasibility 18.23/18.25 18.23/18.25 LOG: RETURN solveLinear in Graph for feasibility 18.23/18.25 It's unfeasible. Removing transition: 18.23/18.25 -1 + arg1, rest remain the same}> 18.23/18.25 18.23/18.25 LOG: CALL solverLinear in Graph for feasibility 18.23/18.25 18.23/18.25 LOG: RETURN solveLinear in Graph for feasibility 18.23/18.25 Strengthening transition (result): 18.23/18.25 -1 + arg1, rest remain the same}> 18.23/18.25 [ Termination Graph ] 18.23/18.25 Strengthening and disabling transitions... 18.23/18.25 > It's unfeasible. Removing transition: 18.23/18.25 -1 + arg1, rest remain the same}> 18.23/18.25 New Graphs: 18.23/18.25 Calling Safety with literal 0 <= arg1 and entry -undef17, rest remain the same}> 18.23/18.25 18.23/18.25 LOG: CALL check - Post:0 <= arg1 - Process 1 18.23/18.25 * Exit transition: -undef17, rest remain the same}> 18.23/18.25 * Postcondition : 0 <= arg1 18.23/18.25 18.23/18.25 LOG: CALL solveLinear 18.23/18.25 18.23/18.25 LOG: RETURN solveLinear - Elapsed time: 0.000625s 18.23/18.25 > Postcondition is not implied! 18.23/18.25 18.23/18.25 LOG: RETURN check - Elapsed time: 0.000768s 18.23/18.25 Calling Safety with literal 0 <= arg1 and entry -undef17, rest remain the same}> 18.23/18.25 18.23/18.25 LOG: CALL check - Post:0 <= arg1 - Process 2 18.23/18.25 * Exit transition: -undef17, rest remain the same}> 18.23/18.25 * Postcondition : 0 <= arg1 18.23/18.25 18.23/18.25 LOG: CALL solveLinear 18.23/18.25 18.23/18.25 LOG: RETURN solveLinear - Elapsed time: 0.000588s 18.23/18.25 > Postcondition is not implied! 18.23/18.25 18.23/18.25 LOG: RETURN check - Elapsed time: 0.000744s 18.23/18.25 INVARIANTS: 18.23/18.25 3: 18.23/18.25 Quasi-INVARIANTS to narrow Graph: 18.23/18.25 3: 0 <= arg1 , 18.23/18.25 Narrowing transition: 18.23/18.25 -1 + arg1, rest remain the same}> 18.23/18.25 18.23/18.25 LOG: Narrow transition size 1 18.23/18.25 It's unfeasible. Removing transition: 18.23/18.25 -1 + arg1, rest remain the same}> 18.23/18.25 invGraph after Narrowing: 18.23/18.25 Transitions: 18.23/18.25 -1 + arg1, rest remain the same}> 18.23/18.25 Variables: 18.23/18.25 arg1 18.23/18.25 Checking conditional termination of SCC {l3}... 18.23/18.25 18.23/18.25 LOG: CALL solveLinear 18.23/18.25 18.23/18.25 LOG: RETURN solveLinear - Elapsed time: 0.000378s 18.23/18.25 18.23/18.25 LOG: CALL solveLinear 18.23/18.25 18.23/18.25 LOG: RETURN solveLinear - Elapsed time: 0.001145s 18.23/18.25 Trying to remove transition: -1 + arg1, rest remain the same}> 18.23/18.25 Solving with 1 template(s). 18.23/18.25 18.23/18.25 LOG: CALL solveNonLinearGetFirstSolution 18.23/18.25 18.23/18.25 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.003463s 18.23/18.25 Time used: 0.00334 18.23/18.25 Solving with 1 template(s). 18.23/18.25 18.23/18.25 LOG: CALL solveNonLinearGetFirstSolution 18.23/18.25 18.23/18.25 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.001244s 18.23/18.25 Time used: 4.00106 18.23/18.25 Solving with 2 template(s). 18.23/18.25 18.23/18.25 LOG: CALL solveNonLinearGetFirstSolution 18.23/18.25 18.23/18.25 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.019727s 18.23/18.25 Time used: 4.01587 18.23/18.25 Solving with 3 template(s). 18.23/18.25 18.23/18.25 LOG: CALL solveNonLinearGetFirstSolution 18.23/18.25 18.23/18.25 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 1.010030s 18.23/18.25 Time used: 1.00494 18.23/18.25 Solving with 1 template(s). 18.23/18.25 18.23/18.25 LOG: CALL solveNonLinearGetFirstSolution 18.23/18.25 18.23/18.25 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.009277s 18.23/18.25 Time used: 0.006195 18.23/18.25 Improving Solution with cost 1 ... 18.23/18.25 18.23/18.25 LOG: CALL solveNonLinearGetNextSolution 18.23/18.25 18.23/18.25 LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.009421s 18.23/18.25 Time used: 0.009381 18.23/18.25 18.23/18.25 LOG: SAT solveNonLinear - Elapsed time: 0.018698s 18.23/18.25 Cost: 1; Total time: 0.015576 18.23/18.25 Termination implied by a set of invariant(s): 18.23/18.25 Invariant at l3: arg1 <= 1 18.23/18.25 [ Invariant Graph ] 18.23/18.25 Strengthening and disabling transitions... 18.23/18.25 18.23/18.25 LOG: CALL solverLinear in Graph for feasibility 18.23/18.25 18.23/18.25 LOG: RETURN solveLinear in Graph for feasibility 18.23/18.25 Strengthening transition (result): 18.23/18.25 -1 + arg1, rest remain the same}> 18.23/18.25 [ Termination Graph ] 18.23/18.25 Strengthening and disabling transitions... 18.23/18.25 18.23/18.25 LOG: CALL solverLinear in Graph for feasibility 18.23/18.25 18.23/18.25 LOG: RETURN solveLinear in Graph for feasibility 18.23/18.25 Strengthening transition (result): 18.23/18.25 -1 + arg1, rest remain the same}> 18.23/18.25 Quasi-ranking function: 50000 + arg1 18.23/18.25 New Graphs: 18.23/18.25 Transitions: 18.23/18.25 -1 + arg1, rest remain the same}> 18.23/18.25 Variables: 18.23/18.25 arg1 18.23/18.25 Checking conditional termination of SCC {l3}... 18.23/18.25 18.23/18.25 LOG: CALL solveLinear 18.23/18.25 18.23/18.25 LOG: RETURN solveLinear - Elapsed time: 0.000408s 18.23/18.25 18.23/18.25 LOG: CALL solveLinear 18.23/18.25 18.23/18.25 LOG: RETURN solveLinear - Elapsed time: 0.001220s 18.23/18.25 Trying to remove transition: -1 + arg1, rest remain the same}> 18.23/18.25 Solving with 1 template(s). 18.23/18.25 18.23/18.25 LOG: CALL solveNonLinearGetFirstSolution 18.23/18.25 18.23/18.25 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.003579s 18.23/18.25 Time used: 0.003446 18.23/18.25 Solving with 1 template(s). 18.23/18.25 18.23/18.25 LOG: CALL solveNonLinearGetFirstSolution 18.23/18.25 18.23/18.25 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.003131s 18.23/18.25 Time used: 4.00295 18.23/18.25 Solving with 2 template(s). 18.23/18.25 18.23/18.25 LOG: CALL solveNonLinearGetFirstSolution 18.23/18.25 18.23/18.25 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.005651s 18.23/18.25 Time used: 4.00082 18.23/18.25 Solving with 3 template(s). 18.23/18.25 18.23/18.25 LOG: CALL solveNonLinearGetFirstSolution 18.23/18.25 18.23/18.25 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 1.006315s 18.23/18.25 Time used: 1.00081 18.23/18.25 Solving with 1 template(s). 18.23/18.25 18.23/18.25 LOG: CALL solveNonLinearGetFirstSolution 18.23/18.25 18.23/18.25 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.008963s 18.23/18.25 Time used: 0.005578 18.23/18.25 18.23/18.25 Proving non-termination of subgraph 1 18.23/18.25 Transitions: 18.23/18.25 -1 + arg1, rest remain the same}> 18.23/18.25 Variables: 18.23/18.25 arg1 18.23/18.25 18.23/18.25 Checking conditional non-termination of SCC {l3}... 18.23/18.25 EXIT TRANSITIONS: 18.23/18.25 18.23/18.25 18.23/18.25 Solving with 1 template(s). 18.23/18.25 18.23/18.25 LOG: CALL solveNonLinearGetFirstSolution 18.23/18.25 18.23/18.25 LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.005852s 18.23/18.25 Time used: 0.00564 18.23/18.25 Improving Solution with cost 4 ... 18.23/18.25 18.23/18.25 LOG: CALL solveNonLinearGetNextSolution 18.23/18.25 18.23/18.25 LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.005379s 18.23/18.25 Time used: 0.005374 18.23/18.25 18.23/18.25 LOG: SAT solveNonLinear - Elapsed time: 0.011231s 18.23/18.25 Cost: 4; Total time: 0.011014 18.23/18.25 Failed at location 3: 1 + arg1 <= 0 18.23/18.25 Failed at location 3: 1 + arg1 <= 0 18.23/18.25 Failed at location 3: 1 + arg1 <= 0 18.23/18.25 Failed at location 3: 1 + arg1 <= 0 18.23/18.25 Before Improving: 18.23/18.25 Quasi-invariant at l3: 1 + arg1 <= 0 18.23/18.25 Optimizing invariants... 18.23/18.25 18.23/18.25 LOG: CALL solveLinear 18.23/18.25 18.23/18.25 LOG: RETURN solveLinear - Elapsed time: 0.001808s 18.23/18.25 Remaining time after improvement: 0.998778 18.23/18.25 Non-termination implied by a set of quasi-invariant(s): 18.23/18.25 Quasi-invariant at l3: 1 + arg1 <= 0 18.23/18.25 18.23/18.25 Strengthening and disabling EXIT transitions... 18.23/18.25 Closed exits from l3: 1 18.23/18.25 18.23/18.25 Strengthening and disabling transitions... 18.23/18.25 18.23/18.25 LOG: CALL solverLinear in Graph for feasibility 18.23/18.25 18.23/18.25 LOG: RETURN solveLinear in Graph for feasibility 18.23/18.25 Strengthening transition (result): 18.23/18.25 -1 + arg1, rest remain the same}> 18.23/18.25 18.23/18.25 Calling reachability with... 18.23/18.25 Transition: 18.23/18.25 Conditions: 1 + arg1 <= 0, 18.23/18.25 Transition: 18.23/18.25 Conditions: 1 + arg1 <= 0, 18.23/18.25 Transition: 18.23/18.25 Conditions: 1 + arg1 <= 0, 18.23/18.25 Transition: 18.23/18.25 Conditions: 1 + arg1 <= 0, 18.23/18.25 OPEN EXITS: 18.23/18.25 18.23/18.25 18.23/18.25 18.23/18.25 18.23/18.25 18.23/18.25 --- Reachability graph --- 18.23/18.25 > Graph without transitions. 18.23/18.25 18.23/18.25 Calling reachability with... 18.23/18.25 Transition: undef6, rest remain the same}> 18.23/18.25 Conditions: 1 + arg1 <= 0, 18.23/18.25 Transition: -undef17, rest remain the same}> 18.23/18.25 Conditions: 1 + arg1 <= 0, 18.23/18.25 Transition: undef6, rest remain the same}> 18.23/18.25 Conditions: 1 + arg1 <= 0, 18.23/18.25 Transition: -undef17, rest remain the same}> 18.23/18.25 Conditions: 1 + arg1 <= 0, 18.23/18.25 Transition: undef6, rest remain the same}> 18.23/18.25 Conditions: 1 + arg1 <= 0, 18.23/18.25 Transition: -undef17, rest remain the same}> 18.23/18.25 Conditions: 1 + arg1 <= 0, 18.23/18.25 Transition: undef6, rest remain the same}> 18.23/18.25 Conditions: 1 + arg1 <= 0, 18.23/18.25 Transition: -undef17, rest remain the same}> 18.23/18.25 Conditions: 1 + arg1 <= 0, 18.23/18.25 Transition: undef6, rest remain the same}> 18.23/18.25 Conditions: 1 + arg1 <= 0, 18.23/18.25 Transition: -undef17, rest remain the same}> 18.23/18.25 Conditions: 1 + arg1 <= 0, 18.23/18.25 Transition: undef6, rest remain the same}> 18.23/18.25 Conditions: 1 + arg1 <= 0, 18.23/18.25 Transition: -undef17, rest remain the same}> 18.23/18.25 Conditions: 1 + arg1 <= 0, 18.23/18.25 Transition: undef6, rest remain the same}> 18.23/18.25 Conditions: 1 + arg1 <= 0, 18.23/18.25 Transition: -undef17, rest remain the same}> 18.23/18.25 Conditions: 1 + arg1 <= 0, 18.23/18.25 Transition: undef6, rest remain the same}> 18.23/18.25 Conditions: 1 + arg1 <= 0, 18.23/18.25 Transition: -undef17, rest remain the same}> 18.23/18.25 Conditions: 1 + arg1 <= 0, 18.23/18.25 OPEN EXITS: 18.23/18.25 -undef17, rest remain the same}> 18.23/18.25 -undef17, rest remain the same}> 18.23/18.25 -undef17, rest remain the same}> 18.23/18.25 -undef17, rest remain the same}> 18.23/18.25 -undef17, rest remain the same}> 18.23/18.25 -undef17, rest remain the same}> 18.23/18.25 -undef17, rest remain the same}> 18.23/18.25 -undef17, rest remain the same}> 18.23/18.25 18.23/18.25 > Conditions are reachable! 18.23/18.25 18.23/18.25 Program does NOT terminate 18.23/18.25 /export/starexec/sandbox/solver/bin/starexec_run_termcomp2019_ITS: line 26: delete: command not found 18.23/18.25 /export/starexec/sandbox/solver/bin/starexec_run_termcomp2019_ITS: line 27: edit: command not found 18.23/18.25 EOF