/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-18.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 18:05:24,000 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 18:05:24,004 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 18:05:24,067 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 18:05:24,068 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 18:05:24,073 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 18:05:24,078 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 18:05:24,089 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 18:05:24,091 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 18:05:24,100 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 18:05:24,101 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 18:05:24,103 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 18:05:24,103 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 18:05:24,107 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 18:05:24,108 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 18:05:24,137 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 18:05:24,138 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 18:05:24,139 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 18:05:24,143 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 18:05:24,149 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 18:05:24,154 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 18:05:24,157 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 18:05:24,159 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 18:05:24,160 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 18:05:24,171 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 18:05:24,172 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 18:05:24,172 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 18:05:24,173 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 18:05:24,176 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 18:05:24,177 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 18:05:24,177 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 18:05:24,178 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 18:05:24,180 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 18:05:24,181 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 18:05:24,183 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 18:05:24,183 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 18:05:24,184 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 18:05:24,184 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 18:05:24,185 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 18:05:24,186 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 18:05:24,187 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 18:05:24,188 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 18:05:24,241 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 18:05:24,241 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 18:05:24,242 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 18:05:24,242 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 18:05:24,244 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 18:05:24,244 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 18:05:24,247 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 18:05:24,247 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 18:05:24,247 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 18:05:24,248 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 18:05:24,249 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 18:05:24,249 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 18:05:24,249 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 18:05:24,250 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 18:05:24,250 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 18:05:24,250 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-15 18:05:24,250 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-15 18:05:24,250 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-15 18:05:24,251 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 18:05:24,251 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-15 18:05:24,251 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 18:05:24,251 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 18:05:24,252 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 18:05:24,252 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 18:05:24,252 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 18:05:24,252 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 18:05:24,252 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 18:05:24,253 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 18:05:24,253 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 18:05:24,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 18:05:24,253 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 18:05:24,678 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 18:05:24,720 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 18:05:24,723 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 18:05:24,726 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 18:05:24,726 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 18:05:24,728 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/xcsp/Haystacks-18.c [2022-10-15 18:05:24,814 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15264dab5/854083f28cd94dd5a8e869c28d756eb3/FLAG8f830734e [2022-10-15 18:05:25,732 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 18:05:25,733 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/xcsp/Haystacks-18.c [2022-10-15 18:05:25,766 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15264dab5/854083f28cd94dd5a8e869c28d756eb3/FLAG8f830734e [2022-10-15 18:05:26,243 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15264dab5/854083f28cd94dd5a8e869c28d756eb3 [2022-10-15 18:05:26,246 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 18:05:26,253 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 18:05:26,255 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 18:05:26,255 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 18:05:26,262 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 18:05:26,264 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:05:26" (1/1) ... [2022-10-15 18:05:26,266 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ef41cd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:05:26, skipping insertion in model container [2022-10-15 18:05:26,266 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:05:26" (1/1) ... [2022-10-15 18:05:26,275 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 18:05:26,379 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 18:05:27,193 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-18.c[147234,147247] [2022-10-15 18:05:27,215 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 18:05:27,229 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 18:05:27,593 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-18.c[147234,147247] [2022-10-15 18:05:27,605 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 18:05:27,624 INFO L208 MainTranslator]: Completed translation [2022-10-15 18:05:27,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:05:27 WrapperNode [2022-10-15 18:05:27,626 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 18:05:27,628 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 18:05:27,628 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 18:05:27,629 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 18:05:27,638 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:05:27" (1/1) ... [2022-10-15 18:05:27,787 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:05:27" (1/1) ... [2022-10-15 18:05:28,015 INFO L138 Inliner]: procedures = 13, calls = 3715, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 5021 [2022-10-15 18:05:28,016 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 18:05:28,017 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 18:05:28,017 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 18:05:28,017 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 18:05:28,028 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:05:27" (1/1) ... [2022-10-15 18:05:28,029 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:05:27" (1/1) ... [2022-10-15 18:05:28,057 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:05:27" (1/1) ... [2022-10-15 18:05:28,057 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:05:27" (1/1) ... [2022-10-15 18:05:28,140 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:05:27" (1/1) ... [2022-10-15 18:05:28,210 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:05:27" (1/1) ... [2022-10-15 18:05:28,229 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:05:27" (1/1) ... [2022-10-15 18:05:28,249 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:05:27" (1/1) ... [2022-10-15 18:05:28,278 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 18:05:28,280 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 18:05:28,280 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 18:05:28,280 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 18:05:28,282 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:05:27" (1/1) ... [2022-10-15 18:05:28,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 18:05:28,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 18:05:28,349 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 18:05:28,356 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 18:05:28,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 18:05:28,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 18:05:28,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 18:05:28,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 18:05:28,407 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2022-10-15 18:05:28,407 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2022-10-15 18:05:28,696 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 18:05:28,698 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 18:05:31,824 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 18:05:31,867 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 18:05:31,867 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 18:05:31,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:05:31 BoogieIcfgContainer [2022-10-15 18:05:31,876 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 18:05:31,880 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 18:05:31,880 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 18:05:31,884 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 18:05:31,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 06:05:26" (1/3) ... [2022-10-15 18:05:31,886 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a6ddef2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 06:05:31, skipping insertion in model container [2022-10-15 18:05:31,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:05:27" (2/3) ... [2022-10-15 18:05:31,886 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a6ddef2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 06:05:31, skipping insertion in model container [2022-10-15 18:05:31,887 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:05:31" (3/3) ... [2022-10-15 18:05:31,888 INFO L112 eAbstractionObserver]: Analyzing ICFG Haystacks-18.c [2022-10-15 18:05:31,915 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 18:05:31,915 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-10-15 18:05:32,083 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 18:05:32,096 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;@24804267, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 18:05:32,097 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-10-15 18:05:32,120 INFO L276 IsEmpty]: Start isEmpty. Operand has 4044 states, 332 states have (on average 1.0090361445783131) internal successors, (335), 334 states have internal predecessors, (335), 3708 states have call successors, (3708), 1 states have call predecessors, (3708), 1 states have return successors, (3708), 3708 states have call predecessors, (3708), 3708 states have call successors, (3708) [2022-10-15 18:05:34,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18868 [2022-10-15 18:05:34,435 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 18:05:34,446 INFO L195 NwaCegarLoop]: trace histogram [3708, 3708, 3708, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:05:34,448 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 18:05:34,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 18:05:34,464 INFO L85 PathProgramCache]: Analyzing trace with hash -1102795502, now seen corresponding path program 1 times [2022-10-15 18:05:34,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 18:05:34,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974858463] [2022-10-15 18:05:34,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 18:05:34,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 18:05:35,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:05:39,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 18:05:39,911 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974858463] [2022-10-15 18:05:39,912 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-10-15 18:05:39,912 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1132017809] [2022-10-15 18:05:39,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 18:05:39,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 18:05:39,919 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 18:05:39,925 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 18:05:39,931 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 18:05:46,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:05:46,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 34697 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-15 18:05:46,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 18:05:49,133 INFO L134 CoverageAnalysis]: Checked inductivity of 27491112 backedges. 7414 proven. 0 refuted. 0 times theorem prover too weak. 27483698 trivial. 0 not checked. [2022-10-15 18:05:49,134 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 18:05:49,135 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1132017809] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 18:05:49,135 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 18:05:49,138 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 18:05:49,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277816537] [2022-10-15 18:05:49,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 18:05:49,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-15 18:05:49,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 18:05:49,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-15 18:05:49,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-15 18:05:49,252 INFO L87 Difference]: Start difference. First operand has 4044 states, 332 states have (on average 1.0090361445783131) internal successors, (335), 334 states have internal predecessors, (335), 3708 states have call successors, (3708), 1 states have call predecessors, (3708), 1 states have return successors, (3708), 3708 states have call predecessors, (3708), 3708 states have call successors, (3708) Second operand has 2 states, 2 states have (on average 166.0) internal successors, (332), 2 states have internal predecessors, (332), 2 states have call successors, (3708), 2 states have call predecessors, (3708), 1 states have return successors, (3708), 1 states have call predecessors, (3708), 2 states have call successors, (3708) [2022-10-15 18:05:49,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 18:05:49,555 INFO L93 Difference]: Finished difference Result 4040 states and 7746 transitions. [2022-10-15 18:05:49,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-15 18:05:49,584 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 166.0) internal successors, (332), 2 states have internal predecessors, (332), 2 states have call successors, (3708), 2 states have call predecessors, (3708), 1 states have return successors, (3708), 1 states have call predecessors, (3708), 2 states have call successors, (3708) Word has length 18867 [2022-10-15 18:05:49,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 18:05:49,670 INFO L225 Difference]: With dead ends: 4040 [2022-10-15 18:05:49,671 INFO L226 Difference]: Without dead ends: 4040 [2022-10-15 18:05:49,673 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18866 GetRequests, 18866 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 18:05:49,681 INFO L413 NwaCegarLoop]: 7746 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, 7746 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 18:05:49,684 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 7746 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 18:05:49,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4040 states. [2022-10-15 18:05:56,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4040 to 4040. [2022-10-15 18:05:56,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4040 states, 330 states have (on average 1.0) internal successors, (330), 330 states have internal predecessors, (330), 3708 states have call successors, (3708), 1 states have call predecessors, (3708), 1 states have return successors, (3708), 3708 states have call predecessors, (3708), 3708 states have call successors, (3708) [2022-10-15 18:05:56,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4040 states to 4040 states and 7746 transitions. [2022-10-15 18:05:56,602 INFO L78 Accepts]: Start accepts. Automaton has 4040 states and 7746 transitions. Word has length 18867 [2022-10-15 18:05:56,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 18:05:56,608 INFO L495 AbstractCegarLoop]: Abstraction has 4040 states and 7746 transitions. [2022-10-15 18:05:56,629 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 166.0) internal successors, (332), 2 states have internal predecessors, (332), 2 states have call successors, (3708), 2 states have call predecessors, (3708), 1 states have return successors, (3708), 1 states have call predecessors, (3708), 2 states have call successors, (3708) [2022-10-15 18:05:56,633 INFO L276 IsEmpty]: Start isEmpty. Operand 4040 states and 7746 transitions. [2022-10-15 18:05:59,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18868 [2022-10-15 18:05:59,183 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 18:05:59,192 INFO L195 NwaCegarLoop]: trace histogram [3708, 3708, 3708, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2022-10-15 18:05:59,282 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 18:05:59,407 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 18:05:59,408 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 18:05:59,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 18:05:59,417 INFO L85 PathProgramCache]: Analyzing trace with hash -1095318382, now seen corresponding path program 1 times [2022-10-15 18:05:59,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 18:05:59,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469894508] [2022-10-15 18:05:59,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 18:05:59,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 18:06:00,935 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-15 18:06:00,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2008320301] [2022-10-15 18:06:00,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 18:06:00,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 18:06:00,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 18:06:00,948 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 18:06:00,967 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process