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/toy/errorLocalization/loopNondet4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 10:43:10,160 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 10:43:10,162 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 10:43:10,174 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 10:43:10,174 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 10:43:10,175 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 10:43:10,177 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 10:43:10,179 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 10:43:10,181 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 10:43:10,181 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 10:43:10,182 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 10:43:10,183 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 10:43:10,183 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 10:43:10,184 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 10:43:10,185 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 10:43:10,186 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 10:43:10,187 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 10:43:10,188 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 10:43:10,190 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 10:43:10,191 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 10:43:10,193 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 10:43:10,194 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 10:43:10,195 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 10:43:10,196 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 10:43:10,198 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 10:43:10,199 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 10:43:10,199 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 10:43:10,200 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 10:43:10,200 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 10:43:10,201 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 10:43:10,201 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 10:43:10,202 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 10:43:10,203 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 10:43:10,203 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 10:43:10,205 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 10:43:10,205 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 10:43:10,205 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 10:43:10,206 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 10:43:10,206 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 10:43:10,207 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 10:43:10,207 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 10:43:10,244 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 10:43:10,259 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 10:43:10,263 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 10:43:10,265 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 10:43:10,266 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 10:43:10,268 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/errorLocalization/loopNondet4.bpl [2019-08-05 10:43:10,268 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/errorLocalization/loopNondet4.bpl' [2019-08-05 10:43:10,303 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 10:43:10,305 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 10:43:10,305 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 10:43:10,306 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 10:43:10,306 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 10:43:10,323 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "loopNondet4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:43:10" (1/1) ... [2019-08-05 10:43:10,333 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "loopNondet4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:43:10" (1/1) ... [2019-08-05 10:43:10,340 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 10:43:10,340 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 10:43:10,340 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 10:43:10,342 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 10:43:10,343 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 10:43:10,343 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 10:43:10,344 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 10:43:10,356 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "loopNondet4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:43:10" (1/1) ... [2019-08-05 10:43:10,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "loopNondet4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:43:10" (1/1) ... [2019-08-05 10:43:10,357 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "loopNondet4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:43:10" (1/1) ... [2019-08-05 10:43:10,357 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "loopNondet4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:43:10" (1/1) ... [2019-08-05 10:43:10,361 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "loopNondet4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:43:10" (1/1) ... [2019-08-05 10:43:10,366 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "loopNondet4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:43:10" (1/1) ... [2019-08-05 10:43:10,366 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "loopNondet4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:43:10" (1/1) ... [2019-08-05 10:43:10,367 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 10:43:10,368 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 10:43:10,368 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 10:43:10,368 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 10:43:10,369 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "loopNondet4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:43:10" (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 10:43:10,439 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-05 10:43:10,439 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 10:43:10,440 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 10:43:10,634 INFO L275 CfgBuilder]: Using library mode [2019-08-05 10:43:10,635 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-05 10:43:10,636 INFO L202 PluginConnector]: Adding new model loopNondet4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 10:43:10 BoogieIcfgContainer [2019-08-05 10:43:10,637 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 10:43:10,638 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 10:43:10,639 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 10:43:10,643 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 10:43:10,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "loopNondet4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:43:10" (1/2) ... [2019-08-05 10:43:10,645 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40ccdb0c and model type loopNondet4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 10:43:10, skipping insertion in model container [2019-08-05 10:43:10,645 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "loopNondet4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 10:43:10" (2/2) ... [2019-08-05 10:43:10,647 INFO L109 eAbstractionObserver]: Analyzing ICFG loopNondet4.bpl [2019-08-05 10:43:10,657 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 10:43:10,665 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-08-05 10:43:10,683 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-08-05 10:43:10,707 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 10:43:10,708 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 10:43:10,709 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 10:43:10,709 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 10:43:10,709 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 10:43:10,709 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 10:43:10,709 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 10:43:10,710 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 10:43:10,710 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 10:43:10,724 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. [2019-08-05 10:43:10,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2019-08-05 10:43:10,732 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:43:10,733 INFO L399 BasicCegarLoop]: trace histogram [1] [2019-08-05 10:43:10,738 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:43:10,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:43:10,747 INFO L82 PathProgramCache]: Analyzing trace with hash 35, now seen corresponding path program 1 times [2019-08-05 10:43:10,792 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:43:10,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-08-05 10:43:10,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-08-05 10:43:10,829 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-08-05 10:43:10,845 INFO L202 PluginConnector]: Adding new model loopNondet4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.08 10:43:10 BoogieIcfgContainer [2019-08-05 10:43:10,845 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-05 10:43:10,848 INFO L168 Benchmark]: Toolchain (without parser) took 542.70 ms. Allocated memory is still 139.5 MB. Free memory was 109.3 MB in the beginning and 86.5 MB in the end (delta: 22.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 7.1 GB. [2019-08-05 10:43:10,850 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.35 ms. Allocated memory is still 139.5 MB. Free memory was 110.3 MB in the beginning and 110.1 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-05 10:43:10,851 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.46 ms. Allocated memory is still 139.5 MB. Free memory was 109.1 MB in the beginning and 107.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-08-05 10:43:10,853 INFO L168 Benchmark]: Boogie Preprocessor took 24.33 ms. Allocated memory is still 139.5 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 10:43:10,854 INFO L168 Benchmark]: RCFGBuilder took 269.07 ms. Allocated memory is still 139.5 MB. Free memory was 106.0 MB in the beginning and 97.7 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 7.1 GB. [2019-08-05 10:43:10,855 INFO L168 Benchmark]: TraceAbstraction took 206.84 ms. Allocated memory is still 139.5 MB. Free memory was 97.3 MB in the beginning and 86.5 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. [2019-08-05 10:43:10,860 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 0.35 ms. Allocated memory is still 139.5 MB. Free memory was 110.3 MB in the beginning and 110.1 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 37.46 ms. Allocated memory is still 139.5 MB. Free memory was 109.1 MB in the beginning and 107.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 24.33 ms. Allocated memory is still 139.5 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 269.07 ms. Allocated memory is still 139.5 MB. Free memory was 106.0 MB in the beginning and 97.7 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 206.84 ms. Allocated memory is still 139.5 MB. Free memory was 97.3 MB in the beginning and 86.5 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 13]: assertion can be violated assertion can be violated We found a FailurePath: [L13] assert x == 0; VAL [x=1] - 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...