/export/starexec/sandbox/solver/bin/starexec_run_termcomp17 /export/starexec/sandbox/benchmark/theBenchmark.smt2 /export/starexec/sandbox/output/output_files -------------------------------------------------------------------------------- NO Solver Timeout: 4 Global Timeout: 300 Maximum number of concurrent processes: 900 No parsing errors! Init Location: 0 Transitions: ~(1)) /\ (arg2 > 1) /\ ((undef4 - (2 * undef5)) = 0) /\ (undef4 > ~(1)) /\ (arg1 > 0)> ~(1)) /\ (arg2 > 1) /\ ((undef9 - (2 * undef10)) = 0) /\ (undef9 > ~(1)) /\ (arg1 > 0) /\ ((undef9 - (2 * undef10)) < 2) /\ ((undef9 - (2 * undef10)) >= 0), par{arg1 -> (0 - undef8), arg2 -> undef7}> ~(5), arg2 -> undef12}> (arg1 + 1), arg2 -> undef14}> ~(5)), par{arg1 -> (arg1 + 1), arg2 -> undef16}> undef17, arg2 -> undef18}> Fresh variables: undef3, undef4, undef5, undef7, undef8, undef9, undef10, undef12, undef14, undef16, undef17, undef18, Undef variables: undef3, undef4, undef5, undef7, undef8, undef9, undef10, undef12, undef14, undef16, undef17, undef18, Abstraction variables: Exit nodes: Accepting locations: Asserts: Preprocessed LLVMGraph Init Location: 0 Transitions: ~(1)) /\ (undef18 > 1) /\ ((undef4 - (2 * undef5)) = 0) /\ (undef4 > ~(1)) /\ (undef17 > 0) /\ (undef8 > ~(1)) /\ (undef18 > 1) /\ ((undef9 - (2 * undef10)) = 0) /\ (undef9 > ~(1)) /\ (undef17 > 0) /\ ((undef9 - (2 * undef10)) < 2) /\ ((undef9 - (2 * undef10)) >= 0)> ~(5)}> (arg1 + 1)}> ~(5)), par{arg1 -> (arg1 + 1)}> Fresh variables: undef3, undef4, undef5, undef7, undef8, undef9, undef10, undef12, undef14, undef16, undef17, undef18, Undef variables: undef3, undef4, undef5, undef7, undef8, undef9, undef10, undef12, undef14, undef16, undef17, undef18, Abstraction variables: Exit nodes: Accepting locations: Asserts: ************************************************************* ******************************************************************************************* *********************** WORKING TRANSITION SYSTEM (DAG) *********************** ******************************************************************************************* Init Location: 0 Graph 0: Transitions: Variables: Graph 1: Transitions: -5, rest remain the same}> 1 + arg1, rest remain the same}> 1 + arg1, rest remain the same}> Variables: arg1 Precedence: Graph 0 Graph 1 Map Locations to Subgraph: ( 0 , 0 ) ( 3 , 1 ) ******************************************************************************************* ******************************** CHECKING ASSERTIONS ******************************** ******************************************************************************************* Proving termination of subgraph 0 Proving termination of subgraph 1 Checking unfeasibility... Time used: 0.005163 Checking conditional termination of SCC {l3}... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.001101s Ranking function: -6 - arg1 New Graphs: Transitions: -5, rest remain the same}> 1 + arg1, rest remain the same}> Variables: arg1 Checking conditional termination of SCC {l3}... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.000783s Ranking function: -1 - arg1 New Graphs: Transitions: -5, rest remain the same}> Variables: arg1 Checking conditional termination of SCC {l3}... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.000354s LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.000987s [44365 : 44366] [44365 : 44367] Successful child: 44366 [ Invariant Graph ] Strengthening and disabling transitions... LOG: CALL solverLinear in Graph for feasibility LOG: RETURN solveLinear in Graph for feasibility It's unfeasible. Removing transition: -5, rest remain the same}> LOG: CALL solverLinear in Graph for feasibility LOG: RETURN solveLinear in Graph for feasibility It's unfeasible. Removing transition: 1 + arg1, rest remain the same}> LOG: CALL solverLinear in Graph for feasibility LOG: RETURN solveLinear in Graph for feasibility Strengthening transition (result): 1 + arg1, rest remain the same}> [ Termination Graph ] Strengthening and disabling transitions... LOG: CALL solverLinear in Graph for feasibility LOG: RETURN solveLinear in Graph for feasibility It's unfeasible. Removing transition: -5, rest remain the same}> New Graphs: LOG: CALL check - Post:0 <= 4 + arg1 - Process 1 * Exit transition: * Postcondition : 0 <= 4 + arg1 LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.000673s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.000825s INVARIANTS: 3: Quasi-INVARIANTS to narrow Graph: 3: 0 <= 4 + arg1 , Narrowing transition: -5, rest remain the same}> LOG: Narrow transition size 1 Narrowing transition: 1 + arg1, rest remain the same}> LOG: Narrow transition size 1 It's unfeasible. Removing transition: 1 + arg1, rest remain the same}> invGraph after Narrowing: Transitions: -5, rest remain the same}> 1 + arg1, rest remain the same}> Variables: arg1 Checking conditional termination of SCC {l3}... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.000811s Ranking function: -5 - arg1 New Graphs: Transitions: -5, rest remain the same}> Variables: arg1 Checking conditional termination of SCC {l3}... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.000364s LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.001037s [44365 : 44371] [44365 : 44372] Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.392535s Time used: 0.392276 [44365 : 44376] [44365 : 44380] Successful child: 44376 Program does NOT terminate