java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/BoogiePL/schaetzc/hardNameCollision.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 09:53:38,943 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 09:53:38,945 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 09:53:38,957 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 09:53:38,958 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 09:53:38,959 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 09:53:38,960 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 09:53:38,962 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 09:53:38,964 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 09:53:38,965 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 09:53:38,966 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 09:53:38,966 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 09:53:38,966 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 09:53:38,967 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 09:53:38,968 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 09:53:38,970 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 09:53:38,970 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 09:53:38,971 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 09:53:38,973 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 09:53:38,975 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 09:53:38,977 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 09:53:38,978 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 09:53:38,979 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 09:53:38,980 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 09:53:38,983 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 09:53:38,983 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 09:53:38,983 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 09:53:38,984 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 09:53:38,985 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 09:53:38,989 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 09:53:38,990 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 09:53:38,990 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 09:53:38,991 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 09:53:38,992 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 09:53:38,993 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 09:53:38,996 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 09:53:38,997 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 09:53:38,997 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 09:53:38,997 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 09:53:38,998 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 09:53:38,999 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 09:53:39,043 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 09:53:39,060 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 09:53:39,064 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 09:53:39,066 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 09:53:39,067 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 09:53:39,068 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/BoogiePL/schaetzc/hardNameCollision.bpl [2019-08-05 09:53:39,069 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/BoogiePL/schaetzc/hardNameCollision.bpl' [2019-08-05 09:53:39,109 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 09:53:39,111 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 09:53:39,112 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 09:53:39,112 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 09:53:39,112 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 09:53:39,131 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "hardNameCollision.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:53:39" (1/1) ... [2019-08-05 09:53:39,140 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "hardNameCollision.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:53:39" (1/1) ... [2019-08-05 09:53:39,148 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 09:53:39,148 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 09:53:39,148 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 09:53:39,151 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 09:53:39,151 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 09:53:39,152 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 09:53:39,152 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 09:53:39,164 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "hardNameCollision.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:53:39" (1/1) ... [2019-08-05 09:53:39,165 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "hardNameCollision.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:53:39" (1/1) ... [2019-08-05 09:53:39,165 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "hardNameCollision.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:53:39" (1/1) ... [2019-08-05 09:53:39,166 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "hardNameCollision.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:53:39" (1/1) ... [2019-08-05 09:53:39,170 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "hardNameCollision.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:53:39" (1/1) ... [2019-08-05 09:53:39,171 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "hardNameCollision.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:53:39" (1/1) ... [2019-08-05 09:53:39,173 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "hardNameCollision.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:53:39" (1/1) ... [2019-08-05 09:53:39,176 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 09:53:39,176 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 09:53:39,177 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 09:53:39,177 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 09:53:39,178 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "hardNameCollision.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:53:39" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-08-05 09:53:39,248 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-08-05 09:53:39,248 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-08-05 09:53:39,249 INFO L124 BoogieDeclarations]: Specification and implementation of procedure g given in one single declaration [2019-08-05 09:53:39,249 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-08-05 09:53:39,249 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-08-05 09:53:39,329 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-08-05 09:53:39,432 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-08-05 09:53:39,508 INFO L275 CfgBuilder]: Using library mode [2019-08-05 09:53:39,509 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 09:53:39,511 INFO L202 PluginConnector]: Adding new model hardNameCollision.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 09:53:39 BoogieIcfgContainer [2019-08-05 09:53:39,512 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 09:53:39,515 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 09:53:39,515 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 09:53:39,518 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 09:53:39,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "hardNameCollision.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:53:39" (1/2) ... [2019-08-05 09:53:39,519 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3db8e269 and model type hardNameCollision.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 09:53:39, skipping insertion in model container [2019-08-05 09:53:39,520 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "hardNameCollision.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 09:53:39" (2/2) ... [2019-08-05 09:53:39,522 INFO L109 eAbstractionObserver]: Analyzing ICFG hardNameCollision.bpl [2019-08-05 09:53:39,535 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 09:53:39,549 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-08-05 09:53:39,595 INFO L252 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-08-05 09:53:39,640 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 09:53:39,641 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 09:53:39,641 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 09:53:39,641 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 09:53:39,641 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 09:53:39,642 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 09:53:39,642 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 09:53:39,642 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 09:53:39,642 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 09:53:39,656 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states. [2019-08-05 09:53:39,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2019-08-05 09:53:39,664 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 09:53:39,665 INFO L399 BasicCegarLoop]: trace histogram [1, 1] [2019-08-05 09:53:39,667 INFO L418 AbstractCegarLoop]: === Iteration 1 === [fErr0ENSURES_VIOLATIONPOST_CONDITION, gErr0ENSURES_VIOLATIONPOST_CONDITION]=== [2019-08-05 09:53:39,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 09:53:39,673 INFO L82 PathProgramCache]: Analyzing trace with hash 1216, now seen corresponding path program 1 times [2019-08-05 09:53:39,718 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 09:53:39,747 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2019-08-05 09:53:39,747 INFO L285 seRefinementStrategy]: Strategy FixedRefinementStrategy was unsuccessful and could not determine trace feasibility. [2019-08-05 09:53:39,747 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-08-05 09:53:39,758 WARN L417 cessorBacktranslator]: Generated EnsuresSpecification ensures y + b > x; is not ensure(true) [2019-08-05 09:53:39,764 WARN L226 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2019-08-05 09:53:39,765 INFO L202 PluginConnector]: Adding new model hardNameCollision.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.08 09:53:39 BoogieIcfgContainer [2019-08-05 09:53:39,765 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-05 09:53:39,768 INFO L168 Benchmark]: Toolchain (without parser) took 655.98 ms. Allocated memory is still 139.5 MB. Free memory was 109.1 MB in the beginning and 83.5 MB in the end (delta: 25.6 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. [2019-08-05 09:53:39,769 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.24 ms. Allocated memory is still 139.5 MB. Free memory is still 110.0 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 09:53:39,770 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.42 ms. Allocated memory is still 139.5 MB. Free memory was 109.1 MB in the beginning and 107.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-05 09:53:39,772 INFO L168 Benchmark]: Boogie Preprocessor took 24.52 ms. Allocated memory is still 139.5 MB. Free memory was 107.0 MB in the beginning and 106.2 MB in the end (delta: 838.8 kB). Peak memory consumption was 838.8 kB. Max. memory is 7.1 GB. [2019-08-05 09:53:39,773 INFO L168 Benchmark]: RCFGBuilder took 335.47 ms. Allocated memory is still 139.5 MB. Free memory was 105.7 MB in the beginning and 94.2 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. [2019-08-05 09:53:39,774 INFO L168 Benchmark]: TraceAbstraction took 250.45 ms. Allocated memory is still 139.5 MB. Free memory was 94.2 MB in the beginning and 83.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. [2019-08-05 09:53:39,779 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.24 ms. Allocated memory is still 139.5 MB. Free memory is still 110.0 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 39.42 ms. Allocated memory is still 139.5 MB. Free memory was 109.1 MB in the beginning and 107.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 24.52 ms. Allocated memory is still 139.5 MB. Free memory was 107.0 MB in the beginning and 106.2 MB in the end (delta: 838.8 kB). Peak memory consumption was 838.8 kB. Max. memory is 7.1 GB. * RCFGBuilder took 335.47 ms. Allocated memory is still 139.5 MB. Free memory was 105.7 MB in the beginning and 94.2 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 250.45 ms. Allocated memory is still 139.5 MB. Free memory was 94.2 MB in the beginning and 83.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures y + b > x; is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 20]: Unable to prove that procedure postcondition always holds Unable to prove that procedure postcondition always holds Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L20-L21] requires a * x > a; [L25] d := 41; [L26] z := 21; [L27] y := a; [L28] b := x; - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 8 locations, 2 error locations. UNKNOWN Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: No data available, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...