/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-16.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 18:05:06,672 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 18:05:06,675 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 18:05:06,712 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 18:05:06,713 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 18:05:06,717 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 18:05:06,720 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 18:05:06,725 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 18:05:06,737 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 18:05:06,743 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 18:05:06,745 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 18:05:06,746 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 18:05:06,748 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 18:05:06,750 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 18:05:06,753 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 18:05:06,758 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 18:05:06,762 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 18:05:06,765 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 18:05:06,768 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 18:05:06,774 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 18:05:06,780 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 18:05:06,782 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 18:05:06,783 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 18:05:06,787 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 18:05:06,798 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-15 18:05:06,802 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 18:05:06,805 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 18:05:06,807 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 18:05:06,808 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 18:05:06,810 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 18:05:06,810 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 18:05:06,811 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 18:05:06,811 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 18:05:06,811 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 18:05:06,812 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 18:05:06,813 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 18:05:06,819 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 18:05:06,871 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 18:05:06,872 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 18:05:06,872 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 18:05:06,872 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 18:05:06,873 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 18:05:06,874 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 18:05:06,874 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 18:05:06,875 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 18:05:06,875 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 18:05:06,875 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 18:05:06,875 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 18:05:06,875 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 18:05:06,876 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 18:05:06,876 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 18:05:06,876 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 18:05:06,876 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-15 18:05:06,876 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-15 18:05:06,877 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-15 18:05:06,877 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 18:05:06,877 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-15 18:05:06,877 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 18:05:06,877 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 18:05:06,878 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 18:05:06,878 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 18:05:06,878 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 18:05:06,878 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 18:05:06,879 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 18:05:06,879 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 18:05:06,879 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 18:05:06,879 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 18:05:06,879 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 18:05:07,262 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 18:05:07,288 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 18:05:07,291 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 18:05:07,293 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 18:05:07,294 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 18:05:07,296 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/xcsp/Haystacks-16.c [2022-10-15 18:05:07,378 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2524dab9a/33d296c3c41d4026af7a5a267fe878c1/FLAG852537060 [2022-10-15 18:05:08,266 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 18:05:08,267 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/xcsp/Haystacks-16.c [2022-10-15 18:05:08,303 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2524dab9a/33d296c3c41d4026af7a5a267fe878c1/FLAG852537060 [2022-10-15 18:05:08,388 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2524dab9a/33d296c3c41d4026af7a5a267fe878c1 [2022-10-15 18:05:08,391 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 18:05:08,397 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 18:05:08,399 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 18:05:08,399 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 18:05:08,404 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 18:05:08,405 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:05:08" (1/1) ... [2022-10-15 18:05:08,406 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36c59ade and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:05:08, skipping insertion in model container [2022-10-15 18:05:08,407 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:05:08" (1/1) ... [2022-10-15 18:05:08,416 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 18:05:08,497 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 18:05:09,336 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-16.c[105300,105313] [2022-10-15 18:05:09,369 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 18:05:09,385 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 18:05:09,650 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-16.c[105300,105313] [2022-10-15 18:05:09,657 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 18:05:09,673 INFO L208 MainTranslator]: Completed translation [2022-10-15 18:05:09,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:05:09 WrapperNode [2022-10-15 18:05:09,674 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 18:05:09,676 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 18:05:09,676 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 18:05:09,676 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 18:05:09,685 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:05:09" (1/1) ... [2022-10-15 18:05:09,737 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:05:09" (1/1) ... [2022-10-15 18:05:09,960 INFO L138 Inliner]: procedures = 13, calls = 2679, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 3713 [2022-10-15 18:05:09,960 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 18:05:09,961 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 18:05:09,961 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 18:05:09,962 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 18:05:09,984 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:05:09" (1/1) ... [2022-10-15 18:05:09,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:05:09" (1/1) ... [2022-10-15 18:05:10,008 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:05:09" (1/1) ... [2022-10-15 18:05:10,009 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:05:09" (1/1) ... [2022-10-15 18:05:10,071 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:05:09" (1/1) ... [2022-10-15 18:05:10,091 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:05:09" (1/1) ... [2022-10-15 18:05:10,105 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:05:09" (1/1) ... [2022-10-15 18:05:10,121 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:05:09" (1/1) ... [2022-10-15 18:05:10,209 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 18:05:10,211 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 18:05:10,211 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 18:05:10,211 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 18:05:10,217 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:05:09" (1/1) ... [2022-10-15 18:05:10,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 18:05:10,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 18:05:10,263 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 18:05:10,279 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 18:05:10,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 18:05:10,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 18:05:10,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 18:05:10,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 18:05:10,343 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2022-10-15 18:05:10,343 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2022-10-15 18:05:10,679 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 18:05:10,681 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 18:05:13,531 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 18:05:13,556 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 18:05:13,556 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 18:05:13,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:05:13 BoogieIcfgContainer [2022-10-15 18:05:13,562 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 18:05:13,565 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 18:05:13,565 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 18:05:13,569 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 18:05:13,570 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 06:05:08" (1/3) ... [2022-10-15 18:05:13,571 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27204a8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 06:05:13, skipping insertion in model container [2022-10-15 18:05:13,571 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:05:09" (2/3) ... [2022-10-15 18:05:13,571 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27204a8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 06:05:13, skipping insertion in model container [2022-10-15 18:05:13,571 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:05:13" (3/3) ... [2022-10-15 18:05:13,573 INFO L112 eAbstractionObserver]: Analyzing ICFG Haystacks-16.c [2022-10-15 18:05:13,596 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 18:05:13,596 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-10-15 18:05:13,723 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 18:05:13,738 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;@a4578e2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 18:05:13,740 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-10-15 18:05:13,763 INFO L276 IsEmpty]: Start isEmpty. Operand has 2940 states, 264 states have (on average 1.0113636363636365) internal successors, (267), 266 states have internal predecessors, (267), 2672 states have call successors, (2672), 1 states have call predecessors, (2672), 1 states have return successors, (2672), 2672 states have call predecessors, (2672), 2672 states have call successors, (2672) [2022-10-15 18:05:15,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13620 [2022-10-15 18:05:15,293 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 18:05:15,303 INFO L195 NwaCegarLoop]: trace histogram [2672, 2672, 2672, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2022-10-15 18:05:15,308 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 18:05:15,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 18:05:15,323 INFO L85 PathProgramCache]: Analyzing trace with hash -697966160, now seen corresponding path program 1 times [2022-10-15 18:05:15,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 18:05:15,336 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613900117] [2022-10-15 18:05:15,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 18:05:15,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 18:05:16,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:05:17,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 18:05:17,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613900117] [2022-10-15 18:05:17,977 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-10-15 18:05:17,977 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1675667671] [2022-10-15 18:05:17,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 18:05:17,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 18:05:17,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 18:05:17,985 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 18:05:17,990 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 18:05:22,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:05:22,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 25101 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-15 18:05:23,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 18:05:24,826 INFO L134 CoverageAnalysis]: Checked inductivity of 14273824 backedges. 5342 proven. 0 refuted. 0 times theorem prover too weak. 14268482 trivial. 0 not checked. [2022-10-15 18:05:24,826 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 18:05:24,827 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1675667671] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 18:05:24,827 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 18:05:24,830 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 18:05:24,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601116729] [2022-10-15 18:05:24,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 18:05:24,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-15 18:05:24,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 18:05:24,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-15 18:05:24,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-15 18:05:24,921 INFO L87 Difference]: Start difference. First operand has 2940 states, 264 states have (on average 1.0113636363636365) internal successors, (267), 266 states have internal predecessors, (267), 2672 states have call successors, (2672), 1 states have call predecessors, (2672), 1 states have return successors, (2672), 2672 states have call predecessors, (2672), 2672 states have call successors, (2672) Second operand has 2 states, 2 states have (on average 132.0) internal successors, (264), 2 states have internal predecessors, (264), 2 states have call successors, (2672), 2 states have call predecessors, (2672), 1 states have return successors, (2672), 1 states have call predecessors, (2672), 2 states have call successors, (2672) [2022-10-15 18:05:25,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 18:05:25,148 INFO L93 Difference]: Finished difference Result 2936 states and 5606 transitions. [2022-10-15 18:05:25,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-15 18:05:25,165 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 132.0) internal successors, (264), 2 states have internal predecessors, (264), 2 states have call successors, (2672), 2 states have call predecessors, (2672), 1 states have return successors, (2672), 1 states have call predecessors, (2672), 2 states have call successors, (2672) Word has length 13619 [2022-10-15 18:05:25,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 18:05:25,233 INFO L225 Difference]: With dead ends: 2936 [2022-10-15 18:05:25,234 INFO L226 Difference]: Without dead ends: 2936 [2022-10-15 18:05:25,236 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13618 GetRequests, 13618 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 18:05:25,241 INFO L413 NwaCegarLoop]: 5606 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, 5606 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 18:05:25,242 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5606 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 18:05:25,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2936 states. [2022-10-15 18:05:28,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2936 to 2936. [2022-10-15 18:05:28,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2936 states, 262 states have (on average 1.0) internal successors, (262), 262 states have internal predecessors, (262), 2672 states have call successors, (2672), 1 states have call predecessors, (2672), 1 states have return successors, (2672), 2672 states have call predecessors, (2672), 2672 states have call successors, (2672) [2022-10-15 18:05:28,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2936 states to 2936 states and 5606 transitions. [2022-10-15 18:05:28,897 INFO L78 Accepts]: Start accepts. Automaton has 2936 states and 5606 transitions. Word has length 13619 [2022-10-15 18:05:28,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 18:05:28,902 INFO L495 AbstractCegarLoop]: Abstraction has 2936 states and 5606 transitions. [2022-10-15 18:05:28,920 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 132.0) internal successors, (264), 2 states have internal predecessors, (264), 2 states have call successors, (2672), 2 states have call predecessors, (2672), 1 states have return successors, (2672), 1 states have call predecessors, (2672), 2 states have call successors, (2672) [2022-10-15 18:05:28,921 INFO L276 IsEmpty]: Start isEmpty. Operand 2936 states and 5606 transitions. [2022-10-15 18:05:30,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13620 [2022-10-15 18:05:30,400 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 18:05:30,407 INFO L195 NwaCegarLoop]: trace histogram [2672, 2672, 2672, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2022-10-15 18:05:30,477 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 18:05:30,620 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 18:05:30,622 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 18:05:30,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 18:05:30,627 INFO L85 PathProgramCache]: Analyzing trace with hash -1539662928, now seen corresponding path program 1 times [2022-10-15 18:05:30,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 18:05:30,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457764079] [2022-10-15 18:05:30,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 18:05:30,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 18:05:31,512 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-15 18:05:31,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [592205335] [2022-10-15 18:05:31,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 18:05:31,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 18:05:31,520 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 18:05:31,525 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 18:05:31,548 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process