/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/xcsp/Haystacks-15.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 18:05:05,502 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 18:05:05,505 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 18:05:05,552 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 18:05:05,553 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 18:05:05,555 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 18:05:05,573 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 18:05:05,575 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 18:05:05,580 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 18:05:05,581 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 18:05:05,584 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 18:05:05,589 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 18:05:05,589 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 18:05:05,592 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 18:05:05,598 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 18:05:05,600 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 18:05:05,602 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 18:05:05,604 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 18:05:05,608 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 18:05:05,616 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 18:05:05,626 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 18:05:05,629 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 18:05:05,631 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 18:05:05,633 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 18:05:05,643 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 18:05:05,643 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 18:05:05,644 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 18:05:05,647 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 18:05:05,648 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 18:05:05,649 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 18:05:05,650 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 18:05:05,651 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 18:05:05,653 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 18:05:05,654 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 18:05:05,656 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 18:05:05,656 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 18:05:05,657 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 18:05:05,657 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 18:05:05,658 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 18:05:05,659 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 18:05:05,660 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 18:05:05,661 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-10-15 18:05:05,720 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 18:05:05,721 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 18:05:05,721 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 18:05:05,722 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 18:05:05,724 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 18:05:05,724 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 18:05:05,727 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 18:05:05,728 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 18:05:05,728 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 18:05:05,729 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 18:05:05,730 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 18:05:05,730 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 18:05:05,731 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 18:05:05,731 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 18:05:05,731 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 18:05:05,731 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-15 18:05:05,731 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-15 18:05:05,732 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-15 18:05:05,732 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 18:05:05,732 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-15 18:05:05,732 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 18:05:05,733 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 18:05:05,733 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 18:05:05,733 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 18:05:05,733 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 18:05:05,733 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 18:05:05,734 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 18:05:05,734 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 18:05:05,734 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 18:05:05,734 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 18:05:05,735 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 18:05:06,144 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 18:05:06,172 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 18:05:06,175 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 18:05:06,177 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 18:05:06,177 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 18:05:06,179 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/xcsp/Haystacks-15.c [2022-10-15 18:05:06,256 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec55fc290/ee4a4e0c23394e4ba1c9d1b36c4900f9/FLAG39e14fbbf [2022-10-15 18:05:07,149 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 18:05:07,149 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/xcsp/Haystacks-15.c [2022-10-15 18:05:07,175 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec55fc290/ee4a4e0c23394e4ba1c9d1b36c4900f9/FLAG39e14fbbf [2022-10-15 18:05:07,240 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec55fc290/ee4a4e0c23394e4ba1c9d1b36c4900f9 [2022-10-15 18:05:07,243 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 18:05:07,251 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 18:05:07,253 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 18:05:07,253 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 18:05:07,258 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 18:05:07,259 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:05:07" (1/1) ... [2022-10-15 18:05:07,260 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f1a22e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:05:07, skipping insertion in model container [2022-10-15 18:05:07,260 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:05:07" (1/1) ... [2022-10-15 18:05:07,270 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 18:05:07,339 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 18:05:08,040 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/xcsp/Haystacks-15.c[87741,87754] [2022-10-15 18:05:08,073 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 18:05:08,089 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 18:05:08,320 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/xcsp/Haystacks-15.c[87741,87754] [2022-10-15 18:05:08,329 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 18:05:08,345 INFO L208 MainTranslator]: Completed translation [2022-10-15 18:05:08,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:05:08 WrapperNode [2022-10-15 18:05:08,346 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 18:05:08,348 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 18:05:08,348 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 18:05:08,348 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 18:05:08,358 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:05:08" (1/1) ... [2022-10-15 18:05:08,406 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:05:08" (1/1) ... [2022-10-15 18:05:08,589 INFO L138 Inliner]: procedures = 13, calls = 2242, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 3152 [2022-10-15 18:05:08,590 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 18:05:08,591 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 18:05:08,591 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 18:05:08,591 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 18:05:08,603 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:05:08" (1/1) ... [2022-10-15 18:05:08,603 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:05:08" (1/1) ... [2022-10-15 18:05:08,626 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:05:08" (1/1) ... [2022-10-15 18:05:08,626 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:05:08" (1/1) ... [2022-10-15 18:05:08,704 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:05:08" (1/1) ... [2022-10-15 18:05:08,722 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:05:08" (1/1) ... [2022-10-15 18:05:08,737 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:05:08" (1/1) ... [2022-10-15 18:05:08,752 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:05:08" (1/1) ... [2022-10-15 18:05:08,781 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 18:05:08,782 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 18:05:08,782 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 18:05:08,782 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 18:05:08,783 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:05:08" (1/1) ... [2022-10-15 18:05:08,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 18:05:08,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 18:05:08,822 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-15 18:05:08,890 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-15 18:05:08,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 18:05:08,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 18:05:08,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 18:05:08,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 18:05:08,955 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2022-10-15 18:05:08,955 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2022-10-15 18:05:09,137 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 18:05:09,140 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 18:05:11,591 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 18:05:11,629 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 18:05:11,630 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 18:05:11,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:05:11 BoogieIcfgContainer [2022-10-15 18:05:11,637 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 18:05:11,640 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 18:05:11,640 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 18:05:11,644 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 18:05:11,644 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 06:05:07" (1/3) ... [2022-10-15 18:05:11,646 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e67c47b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 06:05:11, skipping insertion in model container [2022-10-15 18:05:11,646 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:05:08" (2/3) ... [2022-10-15 18:05:11,646 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e67c47b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 06:05:11, skipping insertion in model container [2022-10-15 18:05:11,646 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:05:11" (3/3) ... [2022-10-15 18:05:11,648 INFO L112 eAbstractionObserver]: Analyzing ICFG Haystacks-15.c [2022-10-15 18:05:11,672 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 18:05:11,673 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-10-15 18:05:11,851 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 18:05:11,860 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3ac456cc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 18:05:11,860 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-10-15 18:05:11,876 INFO L276 IsEmpty]: Start isEmpty. Operand has 2472 states, 233 states have (on average 1.0128755364806867) internal successors, (236), 235 states have internal predecessors, (236), 2235 states have call successors, (2235), 1 states have call predecessors, (2235), 1 states have return successors, (2235), 2235 states have call predecessors, (2235), 2235 states have call successors, (2235) [2022-10-15 18:05:12,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11404 [2022-10-15 18:05:12,925 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 18:05:12,931 INFO L195 NwaCegarLoop]: trace histogram [2235, 2235, 2235, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 18:05:12,932 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 18:05:12,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 18:05:12,944 INFO L85 PathProgramCache]: Analyzing trace with hash 1510798275, now seen corresponding path program 1 times [2022-10-15 18:05:12,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 18:05:12,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435207618] [2022-10-15 18:05:12,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 18:05:12,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 18:05:13,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:05:15,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 18:05:15,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435207618] [2022-10-15 18:05:15,536 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-10-15 18:05:15,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1134445701] [2022-10-15 18:05:15,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 18:05:15,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 18:05:15,540 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 18:05:15,544 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 18:05:15,553 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-15 18:05:19,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:05:19,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 21044 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-15 18:05:20,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 18:05:21,505 INFO L134 CoverageAnalysis]: Checked inductivity of 9985980 backedges. 4468 proven. 0 refuted. 0 times theorem prover too weak. 9981512 trivial. 0 not checked. [2022-10-15 18:05:21,505 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 18:05:21,506 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1134445701] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 18:05:21,506 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 18:05:21,508 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 18:05:21,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861344555] [2022-10-15 18:05:21,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 18:05:21,534 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-15 18:05:21,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 18:05:21,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-15 18:05:21,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-15 18:05:21,592 INFO L87 Difference]: Start difference. First operand has 2472 states, 233 states have (on average 1.0128755364806867) internal successors, (236), 235 states have internal predecessors, (236), 2235 states have call successors, (2235), 1 states have call predecessors, (2235), 1 states have return successors, (2235), 2235 states have call predecessors, (2235), 2235 states have call successors, (2235) Second operand has 2 states, 2 states have (on average 116.5) internal successors, (233), 2 states have internal predecessors, (233), 2 states have call successors, (2235), 2 states have call predecessors, (2235), 1 states have return successors, (2235), 1 states have call predecessors, (2235), 2 states have call successors, (2235) [2022-10-15 18:05:21,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 18:05:21,797 INFO L93 Difference]: Finished difference Result 2468 states and 4701 transitions. [2022-10-15 18:05:21,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-15 18:05:21,807 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 116.5) internal successors, (233), 2 states have internal predecessors, (233), 2 states have call successors, (2235), 2 states have call predecessors, (2235), 1 states have return successors, (2235), 1 states have call predecessors, (2235), 2 states have call successors, (2235) Word has length 11403 [2022-10-15 18:05:21,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 18:05:21,866 INFO L225 Difference]: With dead ends: 2468 [2022-10-15 18:05:21,867 INFO L226 Difference]: Without dead ends: 2468 [2022-10-15 18:05:21,869 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11402 GetRequests, 11402 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-15 18:05:21,875 INFO L413 NwaCegarLoop]: 4701 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4701 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 18:05:21,878 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4701 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 18:05:21,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2468 states. [2022-10-15 18:05:24,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2468 to 2468. [2022-10-15 18:05:24,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2468 states, 231 states have (on average 1.0) internal successors, (231), 231 states have internal predecessors, (231), 2235 states have call successors, (2235), 1 states have call predecessors, (2235), 1 states have return successors, (2235), 2235 states have call predecessors, (2235), 2235 states have call successors, (2235) [2022-10-15 18:05:24,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2468 states to 2468 states and 4701 transitions. [2022-10-15 18:05:24,757 INFO L78 Accepts]: Start accepts. Automaton has 2468 states and 4701 transitions. Word has length 11403 [2022-10-15 18:05:24,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 18:05:24,761 INFO L495 AbstractCegarLoop]: Abstraction has 2468 states and 4701 transitions. [2022-10-15 18:05:24,767 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 116.5) internal successors, (233), 2 states have internal predecessors, (233), 2 states have call successors, (2235), 2 states have call predecessors, (2235), 1 states have return successors, (2235), 1 states have call predecessors, (2235), 2 states have call successors, (2235) [2022-10-15 18:05:24,767 INFO L276 IsEmpty]: Start isEmpty. Operand 2468 states and 4701 transitions. [2022-10-15 18:05:25,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11404 [2022-10-15 18:05:25,607 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 18:05:25,613 INFO L195 NwaCegarLoop]: trace histogram [2235, 2235, 2235, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 18:05:25,669 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-10-15 18:05:25,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-10-15 18:05:25,817 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 18:05:25,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 18:05:25,822 INFO L85 PathProgramCache]: Analyzing trace with hash 447139393, now seen corresponding path program 1 times [2022-10-15 18:05:25,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 18:05:25,822 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600617237] [2022-10-15 18:05:25,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 18:05:25,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 18:05:26,848 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-15 18:05:26,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1952506931] [2022-10-15 18:05:26,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 18:05:26,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 18:05:26,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 18:05:26,854 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 18:05:26,860 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process