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/programs/regression/bpl/BugAllegedDeadCode.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 11:08:26,067 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 11:08:26,069 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 11:08:26,080 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 11:08:26,081 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 11:08:26,082 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 11:08:26,083 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 11:08:26,085 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 11:08:26,087 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 11:08:26,092 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 11:08:26,096 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 11:08:26,096 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 11:08:26,096 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 11:08:26,101 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 11:08:26,102 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 11:08:26,103 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 11:08:26,104 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 11:08:26,104 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 11:08:26,108 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 11:08:26,110 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 11:08:26,115 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 11:08:26,118 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 11:08:26,119 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 11:08:26,120 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 11:08:26,124 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 11:08:26,125 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 11:08:26,125 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 11:08:26,126 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 11:08:26,126 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 11:08:26,127 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 11:08:26,129 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 11:08:26,130 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 11:08:26,132 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 11:08:26,133 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 11:08:26,134 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 11:08:26,134 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 11:08:26,135 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 11:08:26,135 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 11:08:26,135 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 11:08:26,136 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 11:08:26,137 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 11:08:26,172 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 11:08:26,189 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 11:08:26,193 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 11:08:26,194 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 11:08:26,195 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 11:08:26,197 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/BugAllegedDeadCode.bpl [2019-08-05 11:08:26,197 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/BugAllegedDeadCode.bpl' [2019-08-05 11:08:26,228 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 11:08:26,229 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 11:08:26,230 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 11:08:26,230 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 11:08:26,230 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 11:08:26,249 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "BugAllegedDeadCode.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:08:26" (1/1) ... [2019-08-05 11:08:26,256 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "BugAllegedDeadCode.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:08:26" (1/1) ... [2019-08-05 11:08:26,262 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 11:08:26,262 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 11:08:26,263 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 11:08:26,265 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 11:08:26,266 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 11:08:26,266 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 11:08:26,266 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 11:08:26,277 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "BugAllegedDeadCode.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:08:26" (1/1) ... [2019-08-05 11:08:26,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "BugAllegedDeadCode.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:08:26" (1/1) ... [2019-08-05 11:08:26,278 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "BugAllegedDeadCode.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:08:26" (1/1) ... [2019-08-05 11:08:26,278 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "BugAllegedDeadCode.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:08:26" (1/1) ... [2019-08-05 11:08:26,280 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "BugAllegedDeadCode.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:08:26" (1/1) ... [2019-08-05 11:08:26,283 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "BugAllegedDeadCode.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:08:26" (1/1) ... [2019-08-05 11:08:26,284 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "BugAllegedDeadCode.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:08:26" (1/1) ... [2019-08-05 11:08:26,284 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 11:08:26,285 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 11:08:26,285 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 11:08:26,285 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 11:08:26,288 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "BugAllegedDeadCode.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:08:26" (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 11:08:26,358 INFO L124 BoogieDeclarations]: Specification and implementation of procedure proc given in one single declaration [2019-08-05 11:08:26,358 INFO L130 BoogieDeclarations]: Found specification of procedure proc [2019-08-05 11:08:26,358 INFO L138 BoogieDeclarations]: Found implementation of procedure proc [2019-08-05 11:08:26,565 INFO L275 CfgBuilder]: Using library mode [2019-08-05 11:08:26,565 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 11:08:26,567 INFO L202 PluginConnector]: Adding new model BugAllegedDeadCode.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:08:26 BoogieIcfgContainer [2019-08-05 11:08:26,567 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 11:08:26,568 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 11:08:26,568 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 11:08:26,573 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 11:08:26,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "BugAllegedDeadCode.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:08:26" (1/2) ... [2019-08-05 11:08:26,574 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f13f41d and model type BugAllegedDeadCode.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 11:08:26, skipping insertion in model container [2019-08-05 11:08:26,575 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "BugAllegedDeadCode.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:08:26" (2/2) ... [2019-08-05 11:08:26,577 INFO L109 eAbstractionObserver]: Analyzing ICFG BugAllegedDeadCode.bpl [2019-08-05 11:08:26,587 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 11:08:26,595 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-08-05 11:08:26,613 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-08-05 11:08:26,645 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 11:08:26,646 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 11:08:26,646 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 11:08:26,647 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 11:08:26,647 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 11:08:26,647 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 11:08:26,647 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 11:08:26,647 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 11:08:26,648 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 11:08:26,665 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. [2019-08-05 11:08:26,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2019-08-05 11:08:26,675 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 11:08:26,676 INFO L399 BasicCegarLoop]: trace histogram [1] [2019-08-05 11:08:26,680 INFO L418 AbstractCegarLoop]: === Iteration 1 === [procErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 11:08:26,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 11:08:26,686 INFO L82 PathProgramCache]: Analyzing trace with hash 35, now seen corresponding path program 1 times [2019-08-05 11:08:26,733 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 11:08:26,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-08-05 11:08:26,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-08-05 11:08:26,761 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-08-05 11:08:26,776 INFO L202 PluginConnector]: Adding new model BugAllegedDeadCode.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.08 11:08:26 BoogieIcfgContainer [2019-08-05 11:08:26,776 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-05 11:08:26,780 INFO L168 Benchmark]: Toolchain (without parser) took 548.86 ms. Allocated memory is still 140.5 MB. Free memory was 109.0 MB in the beginning and 87.3 MB in the end (delta: 21.7 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. [2019-08-05 11:08:26,781 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.25 ms. Allocated memory is still 140.5 MB. Free memory is still 109.9 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 11:08:26,783 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.16 ms. Allocated memory is still 140.5 MB. Free memory was 109.0 MB in the beginning and 107.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-08-05 11:08:26,784 INFO L168 Benchmark]: Boogie Preprocessor took 19.11 ms. Allocated memory is still 140.5 MB. Free memory was 107.3 MB in the beginning and 106.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-08-05 11:08:26,785 INFO L168 Benchmark]: RCFGBuilder took 281.94 ms. Allocated memory is still 140.5 MB. Free memory was 106.0 MB in the beginning and 98.0 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 7.1 GB. [2019-08-05 11:08:26,787 INFO L168 Benchmark]: TraceAbstraction took 208.15 ms. Allocated memory is still 140.5 MB. Free memory was 97.6 MB in the beginning and 87.3 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2019-08-05 11:08:26,792 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 0.25 ms. Allocated memory is still 140.5 MB. Free memory is still 109.9 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 35.16 ms. Allocated memory is still 140.5 MB. Free memory was 109.0 MB in the beginning and 107.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 19.11 ms. Allocated memory is still 140.5 MB. Free memory was 107.3 MB in the beginning and 106.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 281.94 ms. Allocated memory is still 140.5 MB. Free memory was 106.0 MB in the beginning and 98.0 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 208.15 ms. Allocated memory is still 140.5 MB. Free memory was 97.6 MB in the beginning and 87.3 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 20]: assertion can be violated assertion can be violated We found a FailurePath: [L20] assert false; - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 3 locations, 1 error locations. UNSAFE 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=3occurred 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: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 1 NumberOfCodeBlocks, 1 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...