/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: 0) /\ (arg2 > ~(1)), par{arg1 -> arg2, arg2 -> undef2}> undef4}> 1, arg2 -> undef6}> 0) /\ ((arg1 + 1) > arg1), par{arg1 -> (arg1 + 1), arg2 -> undef8}> undef9, arg2 -> undef10}> Fresh variables: undef2, undef4, undef6, undef8, undef9, undef10, Undef variables: undef2, undef4, undef6, undef8, undef9, undef10, Abstraction variables: Exit nodes: Accepting locations: Asserts: Preprocessed LLVMGraph Init Location: 0 Transitions: 0) /\ (undef10 > ~(1))> 1}> 0) /\ ((arg1 + 1) > arg1), par{arg1 -> (arg1 + 1)}> Fresh variables: undef2, undef4, undef6, undef8, undef9, undef10, Undef variables: undef2, undef4, undef6, undef8, undef9, undef10, Abstraction variables: Exit nodes: Accepting locations: Asserts: ************************************************************* ******************************************************************************************* *********************** WORKING TRANSITION SYSTEM (DAG) *********************** ******************************************************************************************* Init Location: 0 Graph 0: Transitions: Variables: Graph 1: Transitions: 1, rest remain the same}> Variables: arg1 Graph 2: Transitions: 1 + arg1, rest remain the same}> Variables: arg1 Precedence: Graph 0 Graph 1 Graph 2 Map Locations to Subgraph: ( 0 , 0 ) ( 2 , 1 ) ( 3 , 2 ) ******************************************************************************************* ******************************** CHECKING ASSERTIONS ******************************** ******************************************************************************************* Proving termination of subgraph 0 Proving termination of subgraph 1 Checking unfeasibility... Time used: 0.001544 Checking conditional termination of SCC {l2}... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.000471s Ranking function: -arg1 New Graphs: Proving termination of subgraph 2 Checking unfeasibility... Time used: 0.001237 Checking conditional termination of SCC {l3}... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.000536s LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.001273s [29392 : 29393] [29392 : 29394] Successful child: 29393 [ 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 + 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: 1 + arg1, rest remain the same}> New Graphs: LOG: CALL check - Post:arg1 <= 0 - Process 1 * Exit transition: * Postcondition : arg1 <= 0 Quasi-invariants: Location 2: arg1 <= 0 ; 1 <= 0 ; [29392 : 29398] [29392 : 29399] LOG: NarrowEntry size 2 Narrowing transition: 1, rest remain the same}> LOG: Narrow transition size 2 ENTRIES: END ENTRIES: GRAPH: 1, rest remain the same}> END GRAPH: EXIT: POST: arg1 <= 0 LOG: Try proving POST [29392 : 29400] [29392 : 29401] [29392 : 29402] Successful child: 29400 [29392 : 29403] [29392 : 29404] LOG: NarrowEntry size 1 LOG: NarrowEntry size 1 INVARIANTS: 2: Quasi-INVARIANTS to narrow Graph: 2: 10 <= arg1 , Narrowing transition: 1, rest remain the same}> LOG: Narrow transition size 1 ENTRIES: END ENTRIES: GRAPH: 1, rest remain the same}> END GRAPH: EXIT: POST: arg1 <= 0 LOG: Try proving POST [29392 : 29405] [29392 : 29406] [29392 : 29407] LOG: Postcondition is not implied - no solution > Postcondition is not implied! LOG: RETURN check - Elapsed time: 1.060002s INVARIANTS: 3: Quasi-INVARIANTS to narrow Graph: 3: arg1 <= 0 , Narrowing transition: 1 + arg1, rest remain the same}> LOG: Narrow transition size 1 invGraph after Narrowing: Transitions: 1 + arg1, rest remain the same}> Variables: arg1 Checking conditional termination of SCC {l3}... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.000573s LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.001387s [29392 : 29408] [29392 : 29409] Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.005424s Time used: 0.005148 Improving Solution with cost 1 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 1.000542s Time used: 1.00044 LOG: SAT solveNonLinear - Elapsed time: 1.005965s Cost: 1; Total time: 1.00559 Termination implied by a set of invariant(s): Invariant at l3: 0 <= 1 + arg1 [ Invariant Graph ] Strengthening and disabling transitions... 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 Strengthening transition (result): 1 + arg1, rest remain the same}> Quasi-ranking function: 50000 - arg1 New Graphs: Transitions: 1 + arg1, rest remain the same}> Variables: arg1 Checking conditional termination of SCC {l3}... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.000414s LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.001205s [29392 : 29517] [29392 : 29518] Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.102189s Time used: 4.10127 [29392 : 29522] [29392 : 29525] Successful child: 29522 Program does NOT terminate