/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: undef1}> (1 + x_5^0)}> (1 + x_5^0)}> Fresh variables: undef1, Undef variables: undef1, Abstraction variables: Exit nodes: Accepting locations: Asserts: Preprocessed LLVMGraph Init Location: 0 Transitions: (1 + x_5^0)}> (1 + x_5^0)}> Fresh variables: undef1, Undef variables: undef1, Abstraction variables: Exit nodes: Accepting locations: Asserts: ************************************************************* ******************************************************************************************* *********************** WORKING TRANSITION SYSTEM (DAG) *********************** ******************************************************************************************* Init Location: 0 Graph 0: Transitions: Variables: Graph 1: Transitions: 1 + x_5^0, rest remain the same}> 1 + x_5^0, rest remain the same}> Variables: x_5^0, y_6^0 Graph 2: Transitions: Variables: Precedence: Graph 0 Graph 1 Graph 2 Map Locations to Subgraph: ( 0 , 0 ) ( 1 , 1 ) ( 2 , 2 ) ******************************************************************************************* ******************************** CHECKING ASSERTIONS ******************************** ******************************************************************************************* Proving termination of subgraph 0 Proving termination of subgraph 1 Checking unfeasibility... Time used: 0.003059 Checking conditional termination of SCC {l1}... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.001331s Ranking function: 1 - x_5^0 + y_6^0 New Graphs: Transitions: 1 + x_5^0, rest remain the same}> Variables: x_5^0, y_6^0 Checking conditional termination of SCC {l1}... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.000617s LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.001718s [12456 : 12457] [12456 : 12458] Successful child: 12457 [ 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: 1 + x_5^0, rest remain the same}> LOG: CALL solverLinear in Graph for feasibility LOG: RETURN solveLinear in Graph for feasibility Strengthening transition (result): 1 + x_5^0, rest remain the same}> [ Termination Graph ] Strengthening and disabling transitions... > It's unfeasible. Removing transition: 1 + x_5^0, rest remain the same}> New Graphs: LOG: CALL check - Post:x_5^0 <= y_6^0 - Process 1 * Exit transition: * Postcondition : x_5^0 <= y_6^0 LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.000322s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.000395s INVARIANTS: 1: Quasi-INVARIANTS to narrow Graph: 1: x_5^0 <= y_6^0 , Narrowing transition: 1 + x_5^0, rest remain the same}> LOG: Narrow transition size 1 It's unfeasible. Removing transition: 1 + x_5^0, rest remain the same}> invGraph after Narrowing: Transitions: 1 + x_5^0, rest remain the same}> Variables: x_5^0, y_6^0 Checking conditional termination of SCC {l1}... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.000660s LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.001794s [12456 : 12462] [12456 : 12463] Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.006364s Time used: 0.006046 Improving Solution with cost 1 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.012330s Time used: 0.01232 LOG: SAT solveNonLinear - Elapsed time: 0.018695s Cost: 1; Total time: 0.018366 Quasi-ranking function: 50000 - x_5^0 + y_6^0 New Graphs: Transitions: 1 + x_5^0, rest remain the same}> Variables: x_5^0, y_6^0 Checking conditional termination of SCC {l1}... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.000432s LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.001612s [12456 : 12467] [12456 : 12468] Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.006674s Time used: 0.006284 Improving Solution with cost 1 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.012727s Time used: 0.012723 LOG: SAT solveNonLinear - Elapsed time: 0.019401s Cost: 1; Total time: 0.019007 Termination implied by a set of invariant(s): Invariant at l1: 1 + y_6^0 <= x_5^0 [ Invariant Graph ] Strengthening and disabling transitions... LOG: CALL solverLinear in Graph for feasibility LOG: RETURN solveLinear in Graph for feasibility Strengthening transition (result): 1 + x_5^0, rest remain the same}> [ Termination Graph ] Strengthening and disabling transitions... LOG: CALL solverLinear in Graph for feasibility LOG: RETURN solveLinear in Graph for feasibility Strengthening transition (result): 1 + x_5^0, rest remain the same}> Quasi-ranking function: 50000 - x_5^0 New Graphs: Transitions: 1 + x_5^0, rest remain the same}> Variables: x_5^0, y_6^0 Checking conditional termination of SCC {l1}... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.000534s LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.001922s [12456 : 12472] [12456 : 12473] Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.006953s Time used: 0.006541 Improving Solution with cost 1 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.009619s Time used: 0.009616 LOG: SAT solveNonLinear - Elapsed time: 0.016572s Cost: 1; Total time: 0.016157 Quasi-ranking function: 50000 - x_5^0 - y_6^0 New Graphs: Transitions: 1 + x_5^0, rest remain the same}> Variables: x_5^0, y_6^0 Checking conditional termination of SCC {l1}... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.000616s LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.002218s [12456 : 12477] [12456 : 12478] Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.007854s Time used: 0.007484 [12456 : 12590] [12456 : 12594] Successful child: 12590 Program does NOT terminate