/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/openssl-simplified/s3_srvr_7.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 17:09:32,582 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 17:09:32,586 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 17:09:32,644 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 17:09:32,645 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 17:09:32,649 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 17:09:32,668 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 17:09:32,675 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 17:09:32,679 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 17:09:32,685 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 17:09:32,687 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 17:09:32,690 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 17:09:32,690 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 17:09:32,693 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 17:09:32,696 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 17:09:32,701 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 17:09:32,703 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 17:09:32,705 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 17:09:32,708 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 17:09:32,716 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 17:09:32,717 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 17:09:32,720 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 17:09:32,723 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 17:09:32,725 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 17:09:32,735 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-15 17:09:32,740 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 17:09:32,741 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 17:09:32,744 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 17:09:32,745 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 17:09:32,746 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 17:09:32,747 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 17:09:32,748 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 17:09:32,748 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 17:09:32,748 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 17:09:32,749 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 17:09:32,750 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 17:09:32,751 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 17:09:32,781 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 17:09:32,781 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 17:09:32,781 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 17:09:32,782 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 17:09:32,783 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 17:09:32,783 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 17:09:32,784 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 17:09:32,784 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 17:09:32,784 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 17:09:32,784 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 17:09:32,785 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 17:09:32,785 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 17:09:32,785 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 17:09:32,785 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 17:09:32,785 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 17:09:32,786 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-15 17:09:32,786 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-15 17:09:32,786 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-15 17:09:32,786 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 17:09:32,787 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-15 17:09:32,787 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 17:09:32,787 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 17:09:32,787 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 17:09:32,788 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 17:09:32,788 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 17:09:32,788 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 17:09:32,788 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 17:09:32,788 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 17:09:32,789 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 17:09:32,789 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 17:09:32,789 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 17:09:33,160 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 17:09:33,198 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 17:09:33,202 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 17:09:33,204 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 17:09:33,205 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 17:09:33,206 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/openssl-simplified/s3_srvr_7.cil.c [2022-10-15 17:09:33,297 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0c7978a3/a215b1bf5d5045cb981733f59a6bb82a/FLAGde97db8fc [2022-10-15 17:09:34,018 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 17:09:34,022 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/openssl-simplified/s3_srvr_7.cil.c [2022-10-15 17:09:34,036 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0c7978a3/a215b1bf5d5045cb981733f59a6bb82a/FLAGde97db8fc [2022-10-15 17:09:34,317 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0c7978a3/a215b1bf5d5045cb981733f59a6bb82a [2022-10-15 17:09:34,322 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 17:09:34,329 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 17:09:34,335 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 17:09:34,336 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 17:09:34,341 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 17:09:34,342 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 05:09:34" (1/1) ... [2022-10-15 17:09:34,344 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3765a627 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:09:34, skipping insertion in model container [2022-10-15 17:09:34,344 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 05:09:34" (1/1) ... [2022-10-15 17:09:34,356 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 17:09:34,428 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 17:09:34,657 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/openssl-simplified/s3_srvr_7.cil.c[44376,44389] [2022-10-15 17:09:34,671 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 17:09:34,683 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 17:09:34,818 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/openssl-simplified/s3_srvr_7.cil.c[44376,44389] [2022-10-15 17:09:34,827 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 17:09:34,863 INFO L208 MainTranslator]: Completed translation [2022-10-15 17:09:34,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:09:34 WrapperNode [2022-10-15 17:09:34,866 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 17:09:34,868 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 17:09:34,872 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 17:09:34,872 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 17:09:34,884 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:09:34" (1/1) ... [2022-10-15 17:09:34,918 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:09:34" (1/1) ... [2022-10-15 17:09:35,008 INFO L138 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 556 [2022-10-15 17:09:35,009 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 17:09:35,013 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 17:09:35,013 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 17:09:35,013 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 17:09:35,031 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:09:34" (1/1) ... [2022-10-15 17:09:35,031 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:09:34" (1/1) ... [2022-10-15 17:09:35,044 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:09:34" (1/1) ... [2022-10-15 17:09:35,045 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:09:34" (1/1) ... [2022-10-15 17:09:35,069 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:09:34" (1/1) ... [2022-10-15 17:09:35,093 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:09:34" (1/1) ... [2022-10-15 17:09:35,099 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:09:34" (1/1) ... [2022-10-15 17:09:35,104 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:09:34" (1/1) ... [2022-10-15 17:09:35,113 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 17:09:35,115 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 17:09:35,115 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 17:09:35,115 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 17:09:35,117 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:09:34" (1/1) ... [2022-10-15 17:09:35,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 17:09:35,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 17:09:35,167 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 17:09:35,191 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 17:09:35,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 17:09:35,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 17:09:35,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 17:09:35,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 17:09:35,453 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 17:09:35,458 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 17:09:35,546 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-15 17:09:36,212 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2022-10-15 17:09:36,212 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2022-10-15 17:09:36,213 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 17:09:36,223 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 17:09:36,223 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-15 17:09:36,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 05:09:36 BoogieIcfgContainer [2022-10-15 17:09:36,227 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 17:09:36,230 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 17:09:36,230 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 17:09:36,234 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 17:09:36,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 05:09:34" (1/3) ... [2022-10-15 17:09:36,235 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cd709d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 05:09:36, skipping insertion in model container [2022-10-15 17:09:36,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:09:34" (2/3) ... [2022-10-15 17:09:36,236 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cd709d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 05:09:36, skipping insertion in model container [2022-10-15 17:09:36,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 05:09:36" (3/3) ... [2022-10-15 17:09:36,237 INFO L112 eAbstractionObserver]: Analyzing ICFG s3_srvr_7.cil.c [2022-10-15 17:09:36,260 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 17:09:36,260 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-10-15 17:09:36,348 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 17:09:36,359 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;@664bb3f9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 17:09:36,360 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-10-15 17:09:36,367 INFO L276 IsEmpty]: Start isEmpty. Operand has 147 states, 144 states have (on average 1.7430555555555556) internal successors, (251), 146 states have internal predecessors, (251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:36,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-15 17:09:36,397 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:09:36,398 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:09:36,399 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:09:36,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:09:36,405 INFO L85 PathProgramCache]: Analyzing trace with hash 124420722, now seen corresponding path program 1 times [2022-10-15 17:09:36,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:09:36,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309912675] [2022-10-15 17:09:36,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:09:36,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:09:36,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:09:36,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:09:36,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:09:36,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309912675] [2022-10-15 17:09:36,677 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1309912675] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:09:36,678 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:09:36,678 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 17:09:36,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798626360] [2022-10-15 17:09:36,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:09:36,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:09:36,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:09:36,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:09:36,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:09:36,727 INFO L87 Difference]: Start difference. First operand has 147 states, 144 states have (on average 1.7430555555555556) internal successors, (251), 146 states have internal predecessors, (251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:36,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:09:36,776 INFO L93 Difference]: Finished difference Result 146 states and 247 transitions. [2022-10-15 17:09:36,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:09:36,779 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-10-15 17:09:36,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:09:36,793 INFO L225 Difference]: With dead ends: 146 [2022-10-15 17:09:36,793 INFO L226 Difference]: Without dead ends: 133 [2022-10-15 17:09:36,795 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:09:36,800 INFO L413 NwaCegarLoop]: 246 mSDtfsCounter, 240 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 240 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 17:09:36,801 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [240 Valid, 246 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:09:36,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2022-10-15 17:09:36,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2022-10-15 17:09:36,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 132 states have (on average 1.5606060606060606) internal successors, (206), 132 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:36,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 206 transitions. [2022-10-15 17:09:36,864 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 206 transitions. Word has length 8 [2022-10-15 17:09:36,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:09:36,864 INFO L495 AbstractCegarLoop]: Abstraction has 133 states and 206 transitions. [2022-10-15 17:09:36,865 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:36,865 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 206 transitions. [2022-10-15 17:09:36,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-15 17:09:36,867 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:09:36,868 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:09:36,868 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 17:09:36,868 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:09:36,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:09:36,869 INFO L85 PathProgramCache]: Analyzing trace with hash -1801233509, now seen corresponding path program 1 times [2022-10-15 17:09:36,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:09:36,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410461325] [2022-10-15 17:09:36,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:09:36,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:09:36,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:09:37,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:09:37,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:09:37,302 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410461325] [2022-10-15 17:09:37,304 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410461325] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:09:37,304 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:09:37,304 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:09:37,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469289513] [2022-10-15 17:09:37,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:09:37,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:09:37,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:09:37,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:09:37,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:09:37,310 INFO L87 Difference]: Start difference. First operand 133 states and 206 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:37,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:09:37,551 INFO L93 Difference]: Finished difference Result 171 states and 271 transitions. [2022-10-15 17:09:37,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:09:37,552 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2022-10-15 17:09:37,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:09:37,555 INFO L225 Difference]: With dead ends: 171 [2022-10-15 17:09:37,555 INFO L226 Difference]: Without dead ends: 171 [2022-10-15 17:09:37,556 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:09:37,558 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 156 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 17:09:37,559 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 159 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 17:09:37,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2022-10-15 17:09:37,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 160. [2022-10-15 17:09:37,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 159 states have (on average 1.6037735849056605) internal successors, (255), 159 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:37,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 255 transitions. [2022-10-15 17:09:37,584 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 255 transitions. Word has length 33 [2022-10-15 17:09:37,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:09:37,586 INFO L495 AbstractCegarLoop]: Abstraction has 160 states and 255 transitions. [2022-10-15 17:09:37,587 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:37,587 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 255 transitions. [2022-10-15 17:09:37,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-15 17:09:37,589 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:09:37,590 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:09:37,590 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 17:09:37,590 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:09:37,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:09:37,591 INFO L85 PathProgramCache]: Analyzing trace with hash -979083820, now seen corresponding path program 1 times [2022-10-15 17:09:37,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:09:37,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564231738] [2022-10-15 17:09:37,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:09:37,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:09:37,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:09:37,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:09:37,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:09:37,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564231738] [2022-10-15 17:09:37,865 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564231738] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:09:37,867 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:09:37,867 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:09:37,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707602914] [2022-10-15 17:09:37,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:09:37,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:09:37,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:09:37,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:09:37,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:09:37,870 INFO L87 Difference]: Start difference. First operand 160 states and 255 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:38,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:09:38,057 INFO L93 Difference]: Finished difference Result 199 states and 322 transitions. [2022-10-15 17:09:38,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:09:38,058 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2022-10-15 17:09:38,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:09:38,063 INFO L225 Difference]: With dead ends: 199 [2022-10-15 17:09:38,064 INFO L226 Difference]: Without dead ends: 199 [2022-10-15 17:09:38,065 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:09:38,073 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 155 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 17:09:38,076 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 159 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 17:09:38,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2022-10-15 17:09:38,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 188. [2022-10-15 17:09:38,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 187 states have (on average 1.6363636363636365) internal successors, (306), 187 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:38,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 306 transitions. [2022-10-15 17:09:38,109 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 306 transitions. Word has length 34 [2022-10-15 17:09:38,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:09:38,110 INFO L495 AbstractCegarLoop]: Abstraction has 188 states and 306 transitions. [2022-10-15 17:09:38,110 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:38,110 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 306 transitions. [2022-10-15 17:09:38,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-15 17:09:38,116 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:09:38,116 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:09:38,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 17:09:38,116 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:09:38,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:09:38,122 INFO L85 PathProgramCache]: Analyzing trace with hash 1380253296, now seen corresponding path program 1 times [2022-10-15 17:09:38,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:09:38,123 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753285388] [2022-10-15 17:09:38,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:09:38,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:09:38,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:09:38,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:09:38,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:09:38,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753285388] [2022-10-15 17:09:38,257 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753285388] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:09:38,257 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:09:38,258 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:09:38,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024919651] [2022-10-15 17:09:38,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:09:38,259 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:09:38,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:09:38,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:09:38,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:09:38,261 INFO L87 Difference]: Start difference. First operand 188 states and 306 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:38,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:09:38,403 INFO L93 Difference]: Finished difference Result 232 states and 382 transitions. [2022-10-15 17:09:38,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:09:38,404 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2022-10-15 17:09:38,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:09:38,406 INFO L225 Difference]: With dead ends: 232 [2022-10-15 17:09:38,406 INFO L226 Difference]: Without dead ends: 232 [2022-10-15 17:09:38,407 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:09:38,418 INFO L413 NwaCegarLoop]: 136 mSDtfsCounter, 144 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:09:38,418 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 153 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:09:38,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2022-10-15 17:09:38,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 226. [2022-10-15 17:09:38,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 225 states have (on average 1.6666666666666667) internal successors, (375), 225 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:38,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 375 transitions. [2022-10-15 17:09:38,446 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 375 transitions. Word has length 40 [2022-10-15 17:09:38,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:09:38,446 INFO L495 AbstractCegarLoop]: Abstraction has 226 states and 375 transitions. [2022-10-15 17:09:38,450 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:38,450 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 375 transitions. [2022-10-15 17:09:38,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-15 17:09:38,452 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:09:38,452 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:09:38,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 17:09:38,455 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:09:38,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:09:38,456 INFO L85 PathProgramCache]: Analyzing trace with hash -168828142, now seen corresponding path program 1 times [2022-10-15 17:09:38,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:09:38,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826346397] [2022-10-15 17:09:38,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:09:38,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:09:38,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:09:38,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:09:38,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:09:38,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826346397] [2022-10-15 17:09:38,589 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826346397] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:09:38,589 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:09:38,589 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:09:38,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832399160] [2022-10-15 17:09:38,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:09:38,590 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:09:38,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:09:38,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:09:38,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:09:38,591 INFO L87 Difference]: Start difference. First operand 226 states and 375 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:38,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:09:38,720 INFO L93 Difference]: Finished difference Result 243 states and 403 transitions. [2022-10-15 17:09:38,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:09:38,721 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2022-10-15 17:09:38,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:09:38,724 INFO L225 Difference]: With dead ends: 243 [2022-10-15 17:09:38,725 INFO L226 Difference]: Without dead ends: 243 [2022-10-15 17:09:38,725 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:09:38,726 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 142 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:09:38,727 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 154 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:09:38,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2022-10-15 17:09:38,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 237. [2022-10-15 17:09:38,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237 states, 236 states have (on average 1.6779661016949152) internal successors, (396), 236 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:38,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 396 transitions. [2022-10-15 17:09:38,761 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 396 transitions. Word has length 41 [2022-10-15 17:09:38,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:09:38,764 INFO L495 AbstractCegarLoop]: Abstraction has 237 states and 396 transitions. [2022-10-15 17:09:38,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:38,765 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 396 transitions. [2022-10-15 17:09:38,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-15 17:09:38,774 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:09:38,774 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 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 17:09:38,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 17:09:38,776 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:09:38,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:09:38,777 INFO L85 PathProgramCache]: Analyzing trace with hash -202979865, now seen corresponding path program 1 times [2022-10-15 17:09:38,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:09:38,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572667570] [2022-10-15 17:09:38,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:09:38,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:09:38,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:09:39,009 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:09:39,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:09:39,010 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572667570] [2022-10-15 17:09:39,010 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572667570] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:09:39,010 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:09:39,010 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:09:39,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073057406] [2022-10-15 17:09:39,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:09:39,011 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:09:39,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:09:39,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:09:39,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:09:39,013 INFO L87 Difference]: Start difference. First operand 237 states and 396 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:39,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:09:39,138 INFO L93 Difference]: Finished difference Result 276 states and 462 transitions. [2022-10-15 17:09:39,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:09:39,139 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 59 [2022-10-15 17:09:39,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:09:39,141 INFO L225 Difference]: With dead ends: 276 [2022-10-15 17:09:39,142 INFO L226 Difference]: Without dead ends: 276 [2022-10-15 17:09:39,142 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:09:39,145 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 158 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:09:39,145 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 169 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:09:39,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2022-10-15 17:09:39,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 262. [2022-10-15 17:09:39,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 262 states, 261 states have (on average 1.681992337164751) internal successors, (439), 261 states have internal predecessors, (439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:39,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 439 transitions. [2022-10-15 17:09:39,156 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 439 transitions. Word has length 59 [2022-10-15 17:09:39,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:09:39,157 INFO L495 AbstractCegarLoop]: Abstraction has 262 states and 439 transitions. [2022-10-15 17:09:39,157 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:39,157 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 439 transitions. [2022-10-15 17:09:39,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-15 17:09:39,160 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:09:39,160 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 17:09:39,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 17:09:39,161 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:09:39,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:09:39,161 INFO L85 PathProgramCache]: Analyzing trace with hash 654012288, now seen corresponding path program 1 times [2022-10-15 17:09:39,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:09:39,162 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211661827] [2022-10-15 17:09:39,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:09:39,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:09:39,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:09:39,298 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:09:39,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:09:39,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211661827] [2022-10-15 17:09:39,299 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211661827] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:09:39,299 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:09:39,299 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:09:39,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955943381] [2022-10-15 17:09:39,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:09:39,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:09:39,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:09:39,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:09:39,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:09:39,303 INFO L87 Difference]: Start difference. First operand 262 states and 439 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:39,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:09:39,443 INFO L93 Difference]: Finished difference Result 276 states and 459 transitions. [2022-10-15 17:09:39,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:09:39,444 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2022-10-15 17:09:39,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:09:39,446 INFO L225 Difference]: With dead ends: 276 [2022-10-15 17:09:39,446 INFO L226 Difference]: Without dead ends: 276 [2022-10-15 17:09:39,447 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:09:39,448 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 157 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:09:39,449 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 169 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:09:39,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2022-10-15 17:09:39,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 262. [2022-10-15 17:09:39,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 262 states, 261 states have (on average 1.6704980842911878) internal successors, (436), 261 states have internal predecessors, (436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:39,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 436 transitions. [2022-10-15 17:09:39,461 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 436 transitions. Word has length 60 [2022-10-15 17:09:39,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:09:39,463 INFO L495 AbstractCegarLoop]: Abstraction has 262 states and 436 transitions. [2022-10-15 17:09:39,464 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:39,464 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 436 transitions. [2022-10-15 17:09:39,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-15 17:09:39,466 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:09:39,466 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 17:09:39,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 17:09:39,467 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:09:39,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:09:39,467 INFO L85 PathProgramCache]: Analyzing trace with hash 225756320, now seen corresponding path program 1 times [2022-10-15 17:09:39,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:09:39,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623270491] [2022-10-15 17:09:39,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:09:39,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:09:39,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:09:39,585 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:09:39,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:09:39,586 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623270491] [2022-10-15 17:09:39,586 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623270491] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:09:39,586 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:09:39,586 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:09:39,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112506823] [2022-10-15 17:09:39,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:09:39,587 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:09:39,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:09:39,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:09:39,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:09:39,588 INFO L87 Difference]: Start difference. First operand 262 states and 436 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:39,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:09:39,710 INFO L93 Difference]: Finished difference Result 293 states and 488 transitions. [2022-10-15 17:09:39,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:09:39,710 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2022-10-15 17:09:39,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:09:39,715 INFO L225 Difference]: With dead ends: 293 [2022-10-15 17:09:39,715 INFO L226 Difference]: Without dead ends: 293 [2022-10-15 17:09:39,716 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:09:39,717 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 143 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:09:39,717 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 168 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:09:39,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2022-10-15 17:09:39,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 293. [2022-10-15 17:09:39,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 292 states have (on average 1.6712328767123288) internal successors, (488), 292 states have internal predecessors, (488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:39,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 488 transitions. [2022-10-15 17:09:39,732 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 488 transitions. Word has length 61 [2022-10-15 17:09:39,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:09:39,733 INFO L495 AbstractCegarLoop]: Abstraction has 293 states and 488 transitions. [2022-10-15 17:09:39,733 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:39,733 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 488 transitions. [2022-10-15 17:09:39,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-15 17:09:39,735 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:09:39,740 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 17:09:39,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 17:09:39,745 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:09:39,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:09:39,746 INFO L85 PathProgramCache]: Analyzing trace with hash 1734857866, now seen corresponding path program 1 times [2022-10-15 17:09:39,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:09:39,746 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929141109] [2022-10-15 17:09:39,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:09:39,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:09:39,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:09:39,869 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-10-15 17:09:39,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:09:39,870 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929141109] [2022-10-15 17:09:39,870 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929141109] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:09:39,870 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:09:39,870 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:09:39,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879899365] [2022-10-15 17:09:39,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:09:39,873 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:09:39,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:09:39,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:09:39,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:09:39,874 INFO L87 Difference]: Start difference. First operand 293 states and 488 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:39,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:09:39,963 INFO L93 Difference]: Finished difference Result 310 states and 511 transitions. [2022-10-15 17:09:39,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:09:39,964 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2022-10-15 17:09:39,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:09:39,966 INFO L225 Difference]: With dead ends: 310 [2022-10-15 17:09:39,966 INFO L226 Difference]: Without dead ends: 310 [2022-10-15 17:09:39,967 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:09:39,970 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 168 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:09:39,970 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 160 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:09:39,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2022-10-15 17:09:39,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 308. [2022-10-15 17:09:39,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 307 states have (on average 1.6579804560260587) internal successors, (509), 307 states have internal predecessors, (509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:39,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 509 transitions. [2022-10-15 17:09:39,979 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 509 transitions. Word has length 73 [2022-10-15 17:09:39,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:09:39,984 INFO L495 AbstractCegarLoop]: Abstraction has 308 states and 509 transitions. [2022-10-15 17:09:39,984 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:39,985 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 509 transitions. [2022-10-15 17:09:39,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-15 17:09:39,986 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:09:39,986 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:09:39,986 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-15 17:09:39,987 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:09:39,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:09:39,998 INFO L85 PathProgramCache]: Analyzing trace with hash -1240517537, now seen corresponding path program 1 times [2022-10-15 17:09:39,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:09:39,999 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926558561] [2022-10-15 17:09:39,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:09:39,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:09:40,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:09:40,112 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:09:40,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:09:40,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926558561] [2022-10-15 17:09:40,112 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926558561] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:09:40,113 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:09:40,113 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:09:40,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880083780] [2022-10-15 17:09:40,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:09:40,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:09:40,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:09:40,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:09:40,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:09:40,115 INFO L87 Difference]: Start difference. First operand 308 states and 509 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:40,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:09:40,241 INFO L93 Difference]: Finished difference Result 346 states and 571 transitions. [2022-10-15 17:09:40,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:09:40,241 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2022-10-15 17:09:40,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:09:40,244 INFO L225 Difference]: With dead ends: 346 [2022-10-15 17:09:40,245 INFO L226 Difference]: Without dead ends: 346 [2022-10-15 17:09:40,245 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:09:40,246 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 144 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:09:40,248 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 151 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:09:40,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2022-10-15 17:09:40,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 344. [2022-10-15 17:09:40,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 344 states, 343 states have (on average 1.6588921282798834) internal successors, (569), 343 states have internal predecessors, (569), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:40,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 569 transitions. [2022-10-15 17:09:40,257 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 569 transitions. Word has length 73 [2022-10-15 17:09:40,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:09:40,258 INFO L495 AbstractCegarLoop]: Abstraction has 344 states and 569 transitions. [2022-10-15 17:09:40,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:40,259 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 569 transitions. [2022-10-15 17:09:40,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-15 17:09:40,263 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:09:40,263 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 17:09:40,264 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-15 17:09:40,264 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:09:40,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:09:40,265 INFO L85 PathProgramCache]: Analyzing trace with hash 1544129923, now seen corresponding path program 1 times [2022-10-15 17:09:40,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:09:40,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769553482] [2022-10-15 17:09:40,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:09:40,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:09:40,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:09:40,360 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-10-15 17:09:40,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:09:40,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769553482] [2022-10-15 17:09:40,360 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769553482] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:09:40,361 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:09:40,361 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:09:40,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996080021] [2022-10-15 17:09:40,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:09:40,362 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:09:40,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:09:40,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:09:40,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:09:40,363 INFO L87 Difference]: Start difference. First operand 344 states and 569 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:40,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:09:40,462 INFO L93 Difference]: Finished difference Result 346 states and 565 transitions. [2022-10-15 17:09:40,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:09:40,462 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2022-10-15 17:09:40,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:09:40,465 INFO L225 Difference]: With dead ends: 346 [2022-10-15 17:09:40,465 INFO L226 Difference]: Without dead ends: 346 [2022-10-15 17:09:40,465 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:09:40,466 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 167 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:09:40,467 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 148 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:09:40,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2022-10-15 17:09:40,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 344. [2022-10-15 17:09:40,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 344 states, 343 states have (on average 1.641399416909621) internal successors, (563), 343 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:40,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 563 transitions. [2022-10-15 17:09:40,478 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 563 transitions. Word has length 74 [2022-10-15 17:09:40,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:09:40,478 INFO L495 AbstractCegarLoop]: Abstraction has 344 states and 563 transitions. [2022-10-15 17:09:40,478 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:40,480 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 563 transitions. [2022-10-15 17:09:40,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-15 17:09:40,487 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:09:40,487 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:09:40,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-15 17:09:40,488 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:09:40,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:09:40,488 INFO L85 PathProgramCache]: Analyzing trace with hash 1602665309, now seen corresponding path program 1 times [2022-10-15 17:09:40,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:09:40,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976281694] [2022-10-15 17:09:40,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:09:40,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:09:40,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:09:40,593 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 17:09:40,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:09:40,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976281694] [2022-10-15 17:09:40,593 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976281694] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:09:40,594 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:09:40,594 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:09:40,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870932095] [2022-10-15 17:09:40,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:09:40,595 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:09:40,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:09:40,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:09:40,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:09:40,596 INFO L87 Difference]: Start difference. First operand 344 states and 563 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:40,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:09:40,717 INFO L93 Difference]: Finished difference Result 346 states and 563 transitions. [2022-10-15 17:09:40,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:09:40,717 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2022-10-15 17:09:40,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:09:40,720 INFO L225 Difference]: With dead ends: 346 [2022-10-15 17:09:40,720 INFO L226 Difference]: Without dead ends: 346 [2022-10-15 17:09:40,720 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:09:40,722 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 143 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:09:40,723 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 151 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:09:40,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2022-10-15 17:09:40,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 344. [2022-10-15 17:09:40,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 344 states, 343 states have (on average 1.6355685131195334) internal successors, (561), 343 states have internal predecessors, (561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:40,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 561 transitions. [2022-10-15 17:09:40,735 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 561 transitions. Word has length 74 [2022-10-15 17:09:40,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:09:40,736 INFO L495 AbstractCegarLoop]: Abstraction has 344 states and 561 transitions. [2022-10-15 17:09:40,736 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:40,737 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 561 transitions. [2022-10-15 17:09:40,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-15 17:09:40,738 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:09:40,738 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 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 17:09:40,738 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-15 17:09:40,739 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:09:40,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:09:40,739 INFO L85 PathProgramCache]: Analyzing trace with hash -2140763865, now seen corresponding path program 1 times [2022-10-15 17:09:40,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:09:40,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908918717] [2022-10-15 17:09:40,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:09:40,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:09:40,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:09:40,863 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-10-15 17:09:40,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:09:40,863 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908918717] [2022-10-15 17:09:40,863 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908918717] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:09:40,864 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:09:40,864 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:09:40,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731912257] [2022-10-15 17:09:40,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:09:40,865 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:09:40,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:09:40,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:09:40,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:09:40,866 INFO L87 Difference]: Start difference. First operand 344 states and 561 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:40,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:09:40,969 INFO L93 Difference]: Finished difference Result 373 states and 603 transitions. [2022-10-15 17:09:40,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:09:40,970 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2022-10-15 17:09:40,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:09:40,972 INFO L225 Difference]: With dead ends: 373 [2022-10-15 17:09:40,973 INFO L226 Difference]: Without dead ends: 373 [2022-10-15 17:09:40,973 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:09:40,974 INFO L413 NwaCegarLoop]: 136 mSDtfsCounter, 159 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:09:40,974 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 155 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:09:40,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2022-10-15 17:09:40,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 368. [2022-10-15 17:09:40,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 368 states, 367 states have (on average 1.6239782016348774) internal successors, (596), 367 states have internal predecessors, (596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:40,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 596 transitions. [2022-10-15 17:09:40,985 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 596 transitions. Word has length 80 [2022-10-15 17:09:40,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:09:40,985 INFO L495 AbstractCegarLoop]: Abstraction has 368 states and 596 transitions. [2022-10-15 17:09:40,986 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:40,986 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 596 transitions. [2022-10-15 17:09:40,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-15 17:09:40,987 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:09:40,987 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 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 17:09:40,988 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-15 17:09:40,988 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:09:40,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:09:40,988 INFO L85 PathProgramCache]: Analyzing trace with hash -210999154, now seen corresponding path program 1 times [2022-10-15 17:09:40,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:09:40,989 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006090995] [2022-10-15 17:09:40,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:09:40,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:09:41,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:09:41,088 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-10-15 17:09:41,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:09:41,089 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006090995] [2022-10-15 17:09:41,089 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1006090995] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:09:41,089 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:09:41,089 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:09:41,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216363902] [2022-10-15 17:09:41,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:09:41,090 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:09:41,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:09:41,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:09:41,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:09:41,091 INFO L87 Difference]: Start difference. First operand 368 states and 596 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:41,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:09:41,192 INFO L93 Difference]: Finished difference Result 373 states and 597 transitions. [2022-10-15 17:09:41,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:09:41,193 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-10-15 17:09:41,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:09:41,195 INFO L225 Difference]: With dead ends: 373 [2022-10-15 17:09:41,195 INFO L226 Difference]: Without dead ends: 373 [2022-10-15 17:09:41,196 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:09:41,196 INFO L413 NwaCegarLoop]: 136 mSDtfsCounter, 158 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:09:41,197 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 154 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:09:41,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2022-10-15 17:09:41,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 368. [2022-10-15 17:09:41,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 368 states, 367 states have (on average 1.6076294277929155) internal successors, (590), 367 states have internal predecessors, (590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:41,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 590 transitions. [2022-10-15 17:09:41,207 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 590 transitions. Word has length 81 [2022-10-15 17:09:41,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:09:41,207 INFO L495 AbstractCegarLoop]: Abstraction has 368 states and 590 transitions. [2022-10-15 17:09:41,208 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:41,208 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 590 transitions. [2022-10-15 17:09:41,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-15 17:09:41,209 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:09:41,210 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:09:41,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-15 17:09:41,210 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:09:41,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:09:41,211 INFO L85 PathProgramCache]: Analyzing trace with hash 421977602, now seen corresponding path program 1 times [2022-10-15 17:09:41,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:09:41,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992325451] [2022-10-15 17:09:41,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:09:41,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:09:41,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:09:41,337 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-10-15 17:09:41,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:09:41,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992325451] [2022-10-15 17:09:41,338 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992325451] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:09:41,338 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:09:41,339 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:09:41,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688179576] [2022-10-15 17:09:41,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:09:41,339 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:09:41,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:09:41,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:09:41,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:09:41,341 INFO L87 Difference]: Start difference. First operand 368 states and 590 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:41,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:09:41,428 INFO L93 Difference]: Finished difference Result 377 states and 593 transitions. [2022-10-15 17:09:41,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:09:41,428 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-10-15 17:09:41,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:09:41,431 INFO L225 Difference]: With dead ends: 377 [2022-10-15 17:09:41,431 INFO L226 Difference]: Without dead ends: 377 [2022-10-15 17:09:41,433 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:09:41,434 INFO L413 NwaCegarLoop]: 136 mSDtfsCounter, 172 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:09:41,435 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 159 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:09:41,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2022-10-15 17:09:41,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 377. [2022-10-15 17:09:41,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377 states, 376 states have (on average 1.577127659574468) internal successors, (593), 376 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:41,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 593 transitions. [2022-10-15 17:09:41,447 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 593 transitions. Word has length 86 [2022-10-15 17:09:41,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:09:41,447 INFO L495 AbstractCegarLoop]: Abstraction has 377 states and 593 transitions. [2022-10-15 17:09:41,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:41,448 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 593 transitions. [2022-10-15 17:09:41,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-15 17:09:41,449 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:09:41,449 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 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 17:09:41,450 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-15 17:09:41,450 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:09:41,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:09:41,451 INFO L85 PathProgramCache]: Analyzing trace with hash -1302259833, now seen corresponding path program 1 times [2022-10-15 17:09:41,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:09:41,451 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258721557] [2022-10-15 17:09:41,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:09:41,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:09:41,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:09:41,565 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-10-15 17:09:41,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:09:41,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258721557] [2022-10-15 17:09:41,568 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258721557] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:09:41,568 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:09:41,569 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:09:41,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750234438] [2022-10-15 17:09:41,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:09:41,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:09:41,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:09:41,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:09:41,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:09:41,571 INFO L87 Difference]: Start difference. First operand 377 states and 593 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:41,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:09:41,679 INFO L93 Difference]: Finished difference Result 408 states and 636 transitions. [2022-10-15 17:09:41,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:09:41,679 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2022-10-15 17:09:41,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:09:41,682 INFO L225 Difference]: With dead ends: 408 [2022-10-15 17:09:41,682 INFO L226 Difference]: Without dead ends: 408 [2022-10-15 17:09:41,682 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:09:41,684 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 147 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:09:41,684 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 155 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:09:41,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2022-10-15 17:09:41,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 406. [2022-10-15 17:09:41,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 406 states, 405 states have (on average 1.565432098765432) internal successors, (634), 405 states have internal predecessors, (634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:41,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 634 transitions. [2022-10-15 17:09:41,695 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 634 transitions. Word has length 87 [2022-10-15 17:09:41,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:09:41,696 INFO L495 AbstractCegarLoop]: Abstraction has 406 states and 634 transitions. [2022-10-15 17:09:41,696 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:41,696 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 634 transitions. [2022-10-15 17:09:41,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-15 17:09:41,698 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:09:41,698 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:09:41,698 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-15 17:09:41,698 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:09:41,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:09:41,699 INFO L85 PathProgramCache]: Analyzing trace with hash 393392224, now seen corresponding path program 1 times [2022-10-15 17:09:41,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:09:41,699 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770722084] [2022-10-15 17:09:41,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:09:41,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:09:41,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:09:41,799 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-10-15 17:09:41,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:09:41,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770722084] [2022-10-15 17:09:41,800 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770722084] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:09:41,800 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:09:41,801 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:09:41,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138149350] [2022-10-15 17:09:41,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:09:41,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:09:41,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:09:41,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:09:41,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:09:41,803 INFO L87 Difference]: Start difference. First operand 406 states and 634 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:41,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:09:41,914 INFO L93 Difference]: Finished difference Result 408 states and 632 transitions. [2022-10-15 17:09:41,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:09:41,914 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2022-10-15 17:09:41,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:09:41,917 INFO L225 Difference]: With dead ends: 408 [2022-10-15 17:09:41,917 INFO L226 Difference]: Without dead ends: 408 [2022-10-15 17:09:41,918 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:09:41,919 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 146 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:09:41,920 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 155 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:09:41,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2022-10-15 17:09:41,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 406. [2022-10-15 17:09:41,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 406 states, 405 states have (on average 1.5555555555555556) internal successors, (630), 405 states have internal predecessors, (630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:41,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 630 transitions. [2022-10-15 17:09:41,934 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 630 transitions. Word has length 88 [2022-10-15 17:09:41,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:09:41,935 INFO L495 AbstractCegarLoop]: Abstraction has 406 states and 630 transitions. [2022-10-15 17:09:41,935 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:41,935 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 630 transitions. [2022-10-15 17:09:41,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-15 17:09:41,937 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:09:41,937 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:09:41,937 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-15 17:09:41,937 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:09:41,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:09:41,938 INFO L85 PathProgramCache]: Analyzing trace with hash 1251587347, now seen corresponding path program 1 times [2022-10-15 17:09:41,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:09:41,938 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192071598] [2022-10-15 17:09:41,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:09:41,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:09:41,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:09:42,080 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-10-15 17:09:42,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:09:42,081 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192071598] [2022-10-15 17:09:42,081 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192071598] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:09:42,081 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:09:42,081 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:09:42,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743896681] [2022-10-15 17:09:42,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:09:42,082 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:09:42,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:09:42,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:09:42,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:09:42,083 INFO L87 Difference]: Start difference. First operand 406 states and 630 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:42,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:09:42,191 INFO L93 Difference]: Finished difference Result 431 states and 663 transitions. [2022-10-15 17:09:42,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:09:42,192 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2022-10-15 17:09:42,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:09:42,195 INFO L225 Difference]: With dead ends: 431 [2022-10-15 17:09:42,195 INFO L226 Difference]: Without dead ends: 431 [2022-10-15 17:09:42,195 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:09:42,196 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 159 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:09:42,196 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 154 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:09:42,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2022-10-15 17:09:42,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 427. [2022-10-15 17:09:42,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 427 states, 426 states have (on average 1.5422535211267605) internal successors, (657), 426 states have internal predecessors, (657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:42,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 657 transitions. [2022-10-15 17:09:42,207 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 657 transitions. Word has length 101 [2022-10-15 17:09:42,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:09:42,208 INFO L495 AbstractCegarLoop]: Abstraction has 427 states and 657 transitions. [2022-10-15 17:09:42,208 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:42,208 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 657 transitions. [2022-10-15 17:09:42,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-10-15 17:09:42,210 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:09:42,210 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:09:42,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-15 17:09:42,210 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:09:42,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:09:42,211 INFO L85 PathProgramCache]: Analyzing trace with hash 1106485420, now seen corresponding path program 1 times [2022-10-15 17:09:42,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:09:42,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538395179] [2022-10-15 17:09:42,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:09:42,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:09:42,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:09:42,341 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-10-15 17:09:42,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:09:42,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538395179] [2022-10-15 17:09:42,342 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1538395179] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:09:42,342 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:09:42,342 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:09:42,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134562063] [2022-10-15 17:09:42,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:09:42,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:09:42,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:09:42,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:09:42,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:09:42,344 INFO L87 Difference]: Start difference. First operand 427 states and 657 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:42,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:09:42,439 INFO L93 Difference]: Finished difference Result 431 states and 655 transitions. [2022-10-15 17:09:42,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:09:42,440 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 102 [2022-10-15 17:09:42,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:09:42,442 INFO L225 Difference]: With dead ends: 431 [2022-10-15 17:09:42,443 INFO L226 Difference]: Without dead ends: 431 [2022-10-15 17:09:42,443 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:09:42,444 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 158 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:09:42,444 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 154 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:09:42,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2022-10-15 17:09:42,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 427. [2022-10-15 17:09:42,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 427 states, 426 states have (on average 1.5234741784037558) internal successors, (649), 426 states have internal predecessors, (649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:42,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 649 transitions. [2022-10-15 17:09:42,454 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 649 transitions. Word has length 102 [2022-10-15 17:09:42,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:09:42,454 INFO L495 AbstractCegarLoop]: Abstraction has 427 states and 649 transitions. [2022-10-15 17:09:42,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:42,455 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 649 transitions. [2022-10-15 17:09:42,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-10-15 17:09:42,456 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:09:42,456 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:09:42,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-15 17:09:42,457 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:09:42,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:09:42,457 INFO L85 PathProgramCache]: Analyzing trace with hash 1116164692, now seen corresponding path program 1 times [2022-10-15 17:09:42,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:09:42,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498302070] [2022-10-15 17:09:42,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:09:42,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:09:42,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:09:42,569 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-10-15 17:09:42,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:09:42,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498302070] [2022-10-15 17:09:42,570 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498302070] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:09:42,570 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:09:42,570 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:09:42,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608673954] [2022-10-15 17:09:42,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:09:42,571 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:09:42,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:09:42,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:09:42,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:09:42,572 INFO L87 Difference]: Start difference. First operand 427 states and 649 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:42,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:09:42,696 INFO L93 Difference]: Finished difference Result 472 states and 714 transitions. [2022-10-15 17:09:42,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:09:42,697 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2022-10-15 17:09:42,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:09:42,699 INFO L225 Difference]: With dead ends: 472 [2022-10-15 17:09:42,700 INFO L226 Difference]: Without dead ends: 472 [2022-10-15 17:09:42,700 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:09:42,701 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 128 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:09:42,702 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 163 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:09:42,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2022-10-15 17:09:42,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 469. [2022-10-15 17:09:42,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 469 states, 468 states have (on average 1.517094017094017) internal successors, (710), 468 states have internal predecessors, (710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:42,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 710 transitions. [2022-10-15 17:09:42,718 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 710 transitions. Word has length 103 [2022-10-15 17:09:42,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:09:42,718 INFO L495 AbstractCegarLoop]: Abstraction has 469 states and 710 transitions. [2022-10-15 17:09:42,718 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:42,718 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 710 transitions. [2022-10-15 17:09:42,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-10-15 17:09:42,720 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:09:42,720 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:09:42,721 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-15 17:09:42,721 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:09:42,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:09:42,722 INFO L85 PathProgramCache]: Analyzing trace with hash 816244885, now seen corresponding path program 1 times [2022-10-15 17:09:42,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:09:42,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493228770] [2022-10-15 17:09:42,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:09:42,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:09:42,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:09:42,884 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-10-15 17:09:42,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:09:42,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493228770] [2022-10-15 17:09:42,884 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493228770] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:09:42,885 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:09:42,885 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:09:42,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820440252] [2022-10-15 17:09:42,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:09:42,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:09:42,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:09:42,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:09:42,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:09:42,889 INFO L87 Difference]: Start difference. First operand 469 states and 710 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:43,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:09:43,004 INFO L93 Difference]: Finished difference Result 505 states and 758 transitions. [2022-10-15 17:09:43,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:09:43,004 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 104 [2022-10-15 17:09:43,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:09:43,007 INFO L225 Difference]: With dead ends: 505 [2022-10-15 17:09:43,007 INFO L226 Difference]: Without dead ends: 505 [2022-10-15 17:09:43,008 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:09:43,011 INFO L413 NwaCegarLoop]: 145 mSDtfsCounter, 139 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:09:43,011 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 158 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:09:43,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2022-10-15 17:09:43,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 503. [2022-10-15 17:09:43,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 503 states, 502 states have (on average 1.5059760956175299) internal successors, (756), 502 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:43,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 503 states and 756 transitions. [2022-10-15 17:09:43,027 INFO L78 Accepts]: Start accepts. Automaton has 503 states and 756 transitions. Word has length 104 [2022-10-15 17:09:43,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:09:43,027 INFO L495 AbstractCegarLoop]: Abstraction has 503 states and 756 transitions. [2022-10-15 17:09:43,027 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:43,028 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 756 transitions. [2022-10-15 17:09:43,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-10-15 17:09:43,030 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:09:43,030 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:09:43,030 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-15 17:09:43,030 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:09:43,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:09:43,031 INFO L85 PathProgramCache]: Analyzing trace with hash 64096946, now seen corresponding path program 1 times [2022-10-15 17:09:43,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:09:43,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541892253] [2022-10-15 17:09:43,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:09:43,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:09:43,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:09:43,152 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-10-15 17:09:43,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:09:43,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541892253] [2022-10-15 17:09:43,152 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541892253] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:09:43,152 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:09:43,153 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:09:43,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789442739] [2022-10-15 17:09:43,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:09:43,153 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:09:43,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:09:43,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:09:43,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:09:43,155 INFO L87 Difference]: Start difference. First operand 503 states and 756 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:43,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:09:43,281 INFO L93 Difference]: Finished difference Result 510 states and 766 transitions. [2022-10-15 17:09:43,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:09:43,282 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 104 [2022-10-15 17:09:43,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:09:43,285 INFO L225 Difference]: With dead ends: 510 [2022-10-15 17:09:43,285 INFO L226 Difference]: Without dead ends: 508 [2022-10-15 17:09:43,287 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:09:43,289 INFO L413 NwaCegarLoop]: 145 mSDtfsCounter, 130 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:09:43,289 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 160 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:09:43,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 508 states. [2022-10-15 17:09:43,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 508 to 505. [2022-10-15 17:09:43,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 505 states, 504 states have (on average 1.505952380952381) internal successors, (759), 504 states have internal predecessors, (759), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:43,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 759 transitions. [2022-10-15 17:09:43,306 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 759 transitions. Word has length 104 [2022-10-15 17:09:43,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:09:43,307 INFO L495 AbstractCegarLoop]: Abstraction has 505 states and 759 transitions. [2022-10-15 17:09:43,307 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:43,307 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 759 transitions. [2022-10-15 17:09:43,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-10-15 17:09:43,309 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:09:43,309 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:09:43,310 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-15 17:09:43,311 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:09:43,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:09:43,311 INFO L85 PathProgramCache]: Analyzing trace with hash -312369545, now seen corresponding path program 1 times [2022-10-15 17:09:43,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:09:43,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229090834] [2022-10-15 17:09:43,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:09:43,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:09:43,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:09:43,426 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-10-15 17:09:43,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:09:43,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229090834] [2022-10-15 17:09:43,427 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229090834] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:09:43,427 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:09:43,427 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:09:43,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802166935] [2022-10-15 17:09:43,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:09:43,429 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:09:43,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:09:43,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:09:43,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:09:43,430 INFO L87 Difference]: Start difference. First operand 505 states and 759 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:43,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:09:43,552 INFO L93 Difference]: Finished difference Result 507 states and 757 transitions. [2022-10-15 17:09:43,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:09:43,553 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2022-10-15 17:09:43,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:09:43,556 INFO L225 Difference]: With dead ends: 507 [2022-10-15 17:09:43,556 INFO L226 Difference]: Without dead ends: 507 [2022-10-15 17:09:43,556 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:09:43,557 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 140 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:09:43,557 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 156 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:09:43,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2022-10-15 17:09:43,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 505. [2022-10-15 17:09:43,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 505 states, 504 states have (on average 1.498015873015873) internal successors, (755), 504 states have internal predecessors, (755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:43,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 755 transitions. [2022-10-15 17:09:43,573 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 755 transitions. Word has length 105 [2022-10-15 17:09:43,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:09:43,573 INFO L495 AbstractCegarLoop]: Abstraction has 505 states and 755 transitions. [2022-10-15 17:09:43,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:43,574 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 755 transitions. [2022-10-15 17:09:43,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-10-15 17:09:43,576 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:09:43,576 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:09:43,577 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-15 17:09:43,577 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:09:43,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:09:43,578 INFO L85 PathProgramCache]: Analyzing trace with hash -1900430797, now seen corresponding path program 1 times [2022-10-15 17:09:43,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:09:43,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380674864] [2022-10-15 17:09:43,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:09:43,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:09:43,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:09:43,653 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2022-10-15 17:09:43,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:09:43,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380674864] [2022-10-15 17:09:43,654 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380674864] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:09:43,654 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:09:43,654 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:09:43,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024377952] [2022-10-15 17:09:43,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:09:43,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:09:43,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:09:43,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:09:43,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:09:43,660 INFO L87 Difference]: Start difference. First operand 505 states and 755 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:43,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:09:43,686 INFO L93 Difference]: Finished difference Result 995 states and 1484 transitions. [2022-10-15 17:09:43,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:09:43,686 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-10-15 17:09:43,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:09:43,692 INFO L225 Difference]: With dead ends: 995 [2022-10-15 17:09:43,692 INFO L226 Difference]: Without dead ends: 995 [2022-10-15 17:09:43,693 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:09:43,694 INFO L413 NwaCegarLoop]: 380 mSDtfsCounter, 178 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 581 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 17:09:43,695 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 581 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:09:43,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 995 states. [2022-10-15 17:09:43,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 995 to 506. [2022-10-15 17:09:43,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 506 states, 505 states have (on average 1.497029702970297) internal successors, (756), 505 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:43,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 756 transitions. [2022-10-15 17:09:43,712 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 756 transitions. Word has length 117 [2022-10-15 17:09:43,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:09:43,713 INFO L495 AbstractCegarLoop]: Abstraction has 506 states and 756 transitions. [2022-10-15 17:09:43,713 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:43,713 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 756 transitions. [2022-10-15 17:09:43,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-10-15 17:09:43,715 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:09:43,715 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:09:43,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-10-15 17:09:43,716 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:09:43,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:09:43,720 INFO L85 PathProgramCache]: Analyzing trace with hash 150553201, now seen corresponding path program 1 times [2022-10-15 17:09:43,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:09:43,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236818194] [2022-10-15 17:09:43,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:09:43,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:09:43,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:09:43,807 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2022-10-15 17:09:43,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:09:43,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236818194] [2022-10-15 17:09:43,807 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236818194] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:09:43,808 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:09:43,808 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:09:43,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519693956] [2022-10-15 17:09:43,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:09:43,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:09:43,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:09:43,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:09:43,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:09:43,810 INFO L87 Difference]: Start difference. First operand 506 states and 756 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:43,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:09:43,852 INFO L93 Difference]: Finished difference Result 955 states and 1425 transitions. [2022-10-15 17:09:43,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:09:43,852 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-10-15 17:09:43,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:09:43,858 INFO L225 Difference]: With dead ends: 955 [2022-10-15 17:09:43,858 INFO L226 Difference]: Without dead ends: 955 [2022-10-15 17:09:43,860 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:09:43,861 INFO L413 NwaCegarLoop]: 325 mSDtfsCounter, 135 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 510 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 17:09:43,862 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 510 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:09:43,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 955 states. [2022-10-15 17:09:43,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 955 to 955. [2022-10-15 17:09:43,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 955 states, 954 states have (on average 1.4937106918238994) internal successors, (1425), 954 states have internal predecessors, (1425), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:43,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 955 states to 955 states and 1425 transitions. [2022-10-15 17:09:43,898 INFO L78 Accepts]: Start accepts. Automaton has 955 states and 1425 transitions. Word has length 117 [2022-10-15 17:09:43,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:09:43,898 INFO L495 AbstractCegarLoop]: Abstraction has 955 states and 1425 transitions. [2022-10-15 17:09:43,899 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:43,899 INFO L276 IsEmpty]: Start isEmpty. Operand 955 states and 1425 transitions. [2022-10-15 17:09:43,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-10-15 17:09:43,904 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:09:43,904 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:09:43,904 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-10-15 17:09:43,904 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:09:43,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:09:43,905 INFO L85 PathProgramCache]: Analyzing trace with hash -991949265, now seen corresponding path program 1 times [2022-10-15 17:09:43,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:09:43,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546748543] [2022-10-15 17:09:43,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:09:43,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:09:43,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:09:43,975 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-10-15 17:09:43,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:09:43,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546748543] [2022-10-15 17:09:43,975 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546748543] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:09:43,975 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:09:43,976 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:09:43,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681953758] [2022-10-15 17:09:43,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:09:43,977 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:09:43,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:09:43,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:09:43,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:09:43,978 INFO L87 Difference]: Start difference. First operand 955 states and 1425 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:44,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:09:44,026 INFO L93 Difference]: Finished difference Result 1424 states and 2116 transitions. [2022-10-15 17:09:44,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:09:44,027 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-10-15 17:09:44,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:09:44,035 INFO L225 Difference]: With dead ends: 1424 [2022-10-15 17:09:44,035 INFO L226 Difference]: Without dead ends: 1424 [2022-10-15 17:09:44,036 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:09:44,036 INFO L413 NwaCegarLoop]: 371 mSDtfsCounter, 160 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 556 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 17:09:44,038 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 556 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:09:44,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1424 states. [2022-10-15 17:09:44,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1424 to 1424. [2022-10-15 17:09:44,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1424 states, 1423 states have (on average 1.4869992972593113) internal successors, (2116), 1423 states have internal predecessors, (2116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:44,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1424 states to 1424 states and 2116 transitions. [2022-10-15 17:09:44,081 INFO L78 Accepts]: Start accepts. Automaton has 1424 states and 2116 transitions. Word has length 117 [2022-10-15 17:09:44,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:09:44,082 INFO L495 AbstractCegarLoop]: Abstraction has 1424 states and 2116 transitions. [2022-10-15 17:09:44,082 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:44,082 INFO L276 IsEmpty]: Start isEmpty. Operand 1424 states and 2116 transitions. [2022-10-15 17:09:44,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-10-15 17:09:44,085 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:09:44,086 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:09:44,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-10-15 17:09:44,086 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:09:44,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:09:44,087 INFO L85 PathProgramCache]: Analyzing trace with hash 39091633, now seen corresponding path program 1 times [2022-10-15 17:09:44,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:09:44,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726075900] [2022-10-15 17:09:44,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:09:44,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:09:44,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:09:44,164 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2022-10-15 17:09:44,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:09:44,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726075900] [2022-10-15 17:09:44,164 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726075900] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:09:44,165 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:09:44,165 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:09:44,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616741376] [2022-10-15 17:09:44,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:09:44,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:09:44,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:09:44,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:09:44,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:09:44,167 INFO L87 Difference]: Start difference. First operand 1424 states and 2116 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:44,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:09:44,217 INFO L93 Difference]: Finished difference Result 1898 states and 2813 transitions. [2022-10-15 17:09:44,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:09:44,217 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-10-15 17:09:44,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:09:44,229 INFO L225 Difference]: With dead ends: 1898 [2022-10-15 17:09:44,229 INFO L226 Difference]: Without dead ends: 1898 [2022-10-15 17:09:44,230 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:09:44,230 INFO L413 NwaCegarLoop]: 251 mSDtfsCounter, 175 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 426 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 17:09:44,231 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 426 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:09:44,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1898 states. [2022-10-15 17:09:44,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1898 to 1898. [2022-10-15 17:09:44,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1898 states, 1897 states have (on average 1.4828676858197154) internal successors, (2813), 1897 states have internal predecessors, (2813), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:44,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1898 states to 1898 states and 2813 transitions. [2022-10-15 17:09:44,290 INFO L78 Accepts]: Start accepts. Automaton has 1898 states and 2813 transitions. Word has length 117 [2022-10-15 17:09:44,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:09:44,290 INFO L495 AbstractCegarLoop]: Abstraction has 1898 states and 2813 transitions. [2022-10-15 17:09:44,290 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:44,290 INFO L276 IsEmpty]: Start isEmpty. Operand 1898 states and 2813 transitions. [2022-10-15 17:09:44,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-10-15 17:09:44,294 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:09:44,295 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:09:44,295 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-10-15 17:09:44,296 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:09:44,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:09:44,296 INFO L85 PathProgramCache]: Analyzing trace with hash -1819061573, now seen corresponding path program 1 times [2022-10-15 17:09:44,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:09:44,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358756010] [2022-10-15 17:09:44,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:09:44,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:09:44,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:09:44,384 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2022-10-15 17:09:44,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:09:44,385 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358756010] [2022-10-15 17:09:44,385 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [358756010] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:09:44,385 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:09:44,385 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:09:44,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208884526] [2022-10-15 17:09:44,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:09:44,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:09:44,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:09:44,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:09:44,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:09:44,388 INFO L87 Difference]: Start difference. First operand 1898 states and 2813 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:44,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:09:44,447 INFO L93 Difference]: Finished difference Result 2396 states and 3555 transitions. [2022-10-15 17:09:44,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:09:44,447 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2022-10-15 17:09:44,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:09:44,461 INFO L225 Difference]: With dead ends: 2396 [2022-10-15 17:09:44,461 INFO L226 Difference]: Without dead ends: 2396 [2022-10-15 17:09:44,463 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:09:44,464 INFO L413 NwaCegarLoop]: 189 mSDtfsCounter, 159 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 17:09:44,464 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 364 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:09:44,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2396 states. [2022-10-15 17:09:44,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2396 to 2394. [2022-10-15 17:09:44,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2394 states, 2393 states have (on average 1.4851650647722523) internal successors, (3554), 2393 states have internal predecessors, (3554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:44,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2394 states to 2394 states and 3554 transitions. [2022-10-15 17:09:44,541 INFO L78 Accepts]: Start accepts. Automaton has 2394 states and 3554 transitions. Word has length 119 [2022-10-15 17:09:44,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:09:44,542 INFO L495 AbstractCegarLoop]: Abstraction has 2394 states and 3554 transitions. [2022-10-15 17:09:44,543 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:44,543 INFO L276 IsEmpty]: Start isEmpty. Operand 2394 states and 3554 transitions. [2022-10-15 17:09:44,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-10-15 17:09:44,551 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:09:44,551 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:09:44,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-10-15 17:09:44,552 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:09:44,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:09:44,552 INFO L85 PathProgramCache]: Analyzing trace with hash 855711090, now seen corresponding path program 1 times [2022-10-15 17:09:44,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:09:44,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204463765] [2022-10-15 17:09:44,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:09:44,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:09:44,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:09:44,631 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2022-10-15 17:09:44,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:09:44,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204463765] [2022-10-15 17:09:44,632 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204463765] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:09:44,632 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:09:44,632 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:09:44,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176260969] [2022-10-15 17:09:44,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:09:44,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:09:44,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:09:44,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:09:44,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:09:44,635 INFO L87 Difference]: Start difference. First operand 2394 states and 3554 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:44,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:09:44,695 INFO L93 Difference]: Finished difference Result 2892 states and 4297 transitions. [2022-10-15 17:09:44,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:09:44,695 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2022-10-15 17:09:44,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:09:44,711 INFO L225 Difference]: With dead ends: 2892 [2022-10-15 17:09:44,712 INFO L226 Difference]: Without dead ends: 2892 [2022-10-15 17:09:44,715 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:09:44,716 INFO L413 NwaCegarLoop]: 187 mSDtfsCounter, 166 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 17:09:44,716 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 362 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:09:44,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2892 states. [2022-10-15 17:09:44,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2892 to 2890. [2022-10-15 17:09:44,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2890 states, 2889 states have (on average 1.4870197300103842) internal successors, (4296), 2889 states have internal predecessors, (4296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:44,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2890 states to 2890 states and 4296 transitions. [2022-10-15 17:09:44,825 INFO L78 Accepts]: Start accepts. Automaton has 2890 states and 4296 transitions. Word has length 120 [2022-10-15 17:09:44,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:09:44,826 INFO L495 AbstractCegarLoop]: Abstraction has 2890 states and 4296 transitions. [2022-10-15 17:09:44,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:44,826 INFO L276 IsEmpty]: Start isEmpty. Operand 2890 states and 4296 transitions. [2022-10-15 17:09:44,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-10-15 17:09:44,834 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:09:44,835 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:09:44,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-10-15 17:09:44,835 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:09:44,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:09:44,836 INFO L85 PathProgramCache]: Analyzing trace with hash -2144874353, now seen corresponding path program 1 times [2022-10-15 17:09:44,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:09:44,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177404848] [2022-10-15 17:09:44,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:09:44,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:09:44,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:09:44,997 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 174 proven. 26 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2022-10-15 17:09:44,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:09:44,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177404848] [2022-10-15 17:09:44,998 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177404848] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 17:09:44,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [736608364] [2022-10-15 17:09:44,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:09:44,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 17:09:44,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 17:09:45,006 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 17:09:45,028 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 17:09:45,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:09:45,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-15 17:09:45,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 17:09:45,444 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2022-10-15 17:09:45,444 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 17:09:45,445 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [736608364] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:09:45,445 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 17:09:45,445 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-10-15 17:09:45,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852816680] [2022-10-15 17:09:45,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:09:45,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:09:45,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:09:45,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:09:45,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 17:09:45,447 INFO L87 Difference]: Start difference. First operand 2890 states and 4296 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:45,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:09:45,522 INFO L93 Difference]: Finished difference Result 3388 states and 5017 transitions. [2022-10-15 17:09:45,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:09:45,523 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 183 [2022-10-15 17:09:45,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:09:45,543 INFO L225 Difference]: With dead ends: 3388 [2022-10-15 17:09:45,543 INFO L226 Difference]: Without dead ends: 3388 [2022-10-15 17:09:45,543 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 17:09:45,544 INFO L413 NwaCegarLoop]: 375 mSDtfsCounter, 131 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 560 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 17:09:45,545 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 560 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:09:45,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3388 states. [2022-10-15 17:09:45,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3388 to 3386. [2022-10-15 17:09:45,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3386 states, 3385 states have (on average 1.4818316100443132) internal successors, (5016), 3385 states have internal predecessors, (5016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:45,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3386 states to 3386 states and 5016 transitions. [2022-10-15 17:09:45,646 INFO L78 Accepts]: Start accepts. Automaton has 3386 states and 5016 transitions. Word has length 183 [2022-10-15 17:09:45,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:09:45,647 INFO L495 AbstractCegarLoop]: Abstraction has 3386 states and 5016 transitions. [2022-10-15 17:09:45,647 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:45,647 INFO L276 IsEmpty]: Start isEmpty. Operand 3386 states and 5016 transitions. [2022-10-15 17:09:45,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-10-15 17:09:45,657 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:09:45,657 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:09:45,704 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-15 17:09:45,874 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 17:09:45,874 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:09:45,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:09:45,875 INFO L85 PathProgramCache]: Analyzing trace with hash 886899251, now seen corresponding path program 1 times [2022-10-15 17:09:45,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:09:45,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564431264] [2022-10-15 17:09:45,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:09:45,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:09:45,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:09:46,011 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 234 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2022-10-15 17:09:46,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:09:46,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564431264] [2022-10-15 17:09:46,011 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564431264] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:09:46,011 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:09:46,012 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:09:46,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71601207] [2022-10-15 17:09:46,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:09:46,012 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:09:46,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:09:46,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:09:46,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:09:46,013 INFO L87 Difference]: Start difference. First operand 3386 states and 5016 transitions. Second operand has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:46,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:09:46,079 INFO L93 Difference]: Finished difference Result 3879 states and 5745 transitions. [2022-10-15 17:09:46,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:09:46,080 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 187 [2022-10-15 17:09:46,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:09:46,121 INFO L225 Difference]: With dead ends: 3879 [2022-10-15 17:09:46,122 INFO L226 Difference]: Without dead ends: 3879 [2022-10-15 17:09:46,122 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:09:46,126 INFO L413 NwaCegarLoop]: 374 mSDtfsCounter, 138 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 559 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 17:09:46,126 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 559 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:09:46,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3879 states. [2022-10-15 17:09:46,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3879 to 3879. [2022-10-15 17:09:46,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3879 states, 3878 states have (on average 1.4814337287261474) internal successors, (5745), 3878 states have internal predecessors, (5745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:46,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3879 states to 3879 states and 5745 transitions. [2022-10-15 17:09:46,236 INFO L78 Accepts]: Start accepts. Automaton has 3879 states and 5745 transitions. Word has length 187 [2022-10-15 17:09:46,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:09:46,236 INFO L495 AbstractCegarLoop]: Abstraction has 3879 states and 5745 transitions. [2022-10-15 17:09:46,236 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:46,237 INFO L276 IsEmpty]: Start isEmpty. Operand 3879 states and 5745 transitions. [2022-10-15 17:09:46,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-10-15 17:09:46,247 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:09:46,248 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:09:46,248 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-10-15 17:09:46,249 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:09:46,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:09:46,250 INFO L85 PathProgramCache]: Analyzing trace with hash -67040907, now seen corresponding path program 1 times [2022-10-15 17:09:46,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:09:46,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989379153] [2022-10-15 17:09:46,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:09:46,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:09:46,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:09:46,369 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 172 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2022-10-15 17:09:46,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:09:46,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989379153] [2022-10-15 17:09:46,369 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989379153] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:09:46,369 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:09:46,370 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:09:46,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550241660] [2022-10-15 17:09:46,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:09:46,370 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:09:46,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:09:46,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:09:46,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:09:46,372 INFO L87 Difference]: Start difference. First operand 3879 states and 5745 transitions. Second operand has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:46,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:09:46,444 INFO L93 Difference]: Finished difference Result 4375 states and 6484 transitions. [2022-10-15 17:09:46,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:09:46,445 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 187 [2022-10-15 17:09:46,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:09:46,458 INFO L225 Difference]: With dead ends: 4375 [2022-10-15 17:09:46,458 INFO L226 Difference]: Without dead ends: 4375 [2022-10-15 17:09:46,459 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:09:46,460 INFO L413 NwaCegarLoop]: 192 mSDtfsCounter, 153 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 367 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 17:09:46,461 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 367 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:09:46,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4375 states. [2022-10-15 17:09:46,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4375 to 4375. [2022-10-15 17:09:46,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4375 states, 4374 states have (on average 1.4823959762231367) internal successors, (6484), 4374 states have internal predecessors, (6484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:46,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4375 states to 4375 states and 6484 transitions. [2022-10-15 17:09:46,578 INFO L78 Accepts]: Start accepts. Automaton has 4375 states and 6484 transitions. Word has length 187 [2022-10-15 17:09:46,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:09:46,579 INFO L495 AbstractCegarLoop]: Abstraction has 4375 states and 6484 transitions. [2022-10-15 17:09:46,579 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:46,580 INFO L276 IsEmpty]: Start isEmpty. Operand 4375 states and 6484 transitions. [2022-10-15 17:09:46,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2022-10-15 17:09:46,620 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:09:46,621 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 5, 5, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:09:46,621 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-10-15 17:09:46,621 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:09:46,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:09:46,622 INFO L85 PathProgramCache]: Analyzing trace with hash 917057880, now seen corresponding path program 1 times [2022-10-15 17:09:46,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:09:46,623 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007318129] [2022-10-15 17:09:46,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:09:46,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:09:46,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:09:46,724 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 326 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2022-10-15 17:09:46,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:09:46,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007318129] [2022-10-15 17:09:46,725 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007318129] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:09:46,725 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:09:46,725 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:09:46,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430675028] [2022-10-15 17:09:46,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:09:46,726 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:09:46,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:09:46,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:09:46,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:09:46,727 INFO L87 Difference]: Start difference. First operand 4375 states and 6484 transitions. Second operand has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:46,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:09:46,867 INFO L93 Difference]: Finished difference Result 4458 states and 6531 transitions. [2022-10-15 17:09:46,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:09:46,867 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 232 [2022-10-15 17:09:46,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:09:46,881 INFO L225 Difference]: With dead ends: 4458 [2022-10-15 17:09:46,881 INFO L226 Difference]: Without dead ends: 4458 [2022-10-15 17:09:46,882 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:09:46,882 INFO L413 NwaCegarLoop]: 216 mSDtfsCounter, 22 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:09:46,882 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 327 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:09:46,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4458 states. [2022-10-15 17:09:46,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4458 to 4375. [2022-10-15 17:09:46,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4375 states, 4374 states have (on average 1.4638774577046183) internal successors, (6403), 4374 states have internal predecessors, (6403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:46,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4375 states to 4375 states and 6403 transitions. [2022-10-15 17:09:46,993 INFO L78 Accepts]: Start accepts. Automaton has 4375 states and 6403 transitions. Word has length 232 [2022-10-15 17:09:46,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:09:46,993 INFO L495 AbstractCegarLoop]: Abstraction has 4375 states and 6403 transitions. [2022-10-15 17:09:46,993 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:46,994 INFO L276 IsEmpty]: Start isEmpty. Operand 4375 states and 6403 transitions. [2022-10-15 17:09:47,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2022-10-15 17:09:47,007 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:09:47,007 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 7, 7, 6, 6, 5, 5, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:09:47,007 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-10-15 17:09:47,008 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:09:47,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:09:47,008 INFO L85 PathProgramCache]: Analyzing trace with hash 1823531945, now seen corresponding path program 1 times [2022-10-15 17:09:47,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:09:47,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990080626] [2022-10-15 17:09:47,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:09:47,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:09:47,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:09:47,113 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 419 proven. 0 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2022-10-15 17:09:47,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:09:47,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990080626] [2022-10-15 17:09:47,114 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990080626] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:09:47,114 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:09:47,114 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:09:47,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284857304] [2022-10-15 17:09:47,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:09:47,116 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:09:47,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:09:47,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:09:47,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:09:47,117 INFO L87 Difference]: Start difference. First operand 4375 states and 6403 transitions. Second operand has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:47,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:09:47,244 INFO L93 Difference]: Finished difference Result 4393 states and 6340 transitions. [2022-10-15 17:09:47,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:09:47,244 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 255 [2022-10-15 17:09:47,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:09:47,256 INFO L225 Difference]: With dead ends: 4393 [2022-10-15 17:09:47,256 INFO L226 Difference]: Without dead ends: 4393 [2022-10-15 17:09:47,257 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:09:47,257 INFO L413 NwaCegarLoop]: 216 mSDtfsCounter, 11 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:09:47,257 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 327 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:09:47,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4393 states. [2022-10-15 17:09:47,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4393 to 4375. [2022-10-15 17:09:47,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4375 states, 4374 states have (on average 1.4453589391860997) internal successors, (6322), 4374 states have internal predecessors, (6322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:47,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4375 states to 4375 states and 6322 transitions. [2022-10-15 17:09:47,391 INFO L78 Accepts]: Start accepts. Automaton has 4375 states and 6322 transitions. Word has length 255 [2022-10-15 17:09:47,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:09:47,392 INFO L495 AbstractCegarLoop]: Abstraction has 4375 states and 6322 transitions. [2022-10-15 17:09:47,392 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:47,392 INFO L276 IsEmpty]: Start isEmpty. Operand 4375 states and 6322 transitions. [2022-10-15 17:09:47,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2022-10-15 17:09:47,403 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:09:47,404 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 7, 7, 6, 6, 5, 5, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:09:47,404 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-10-15 17:09:47,404 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:09:47,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:09:47,405 INFO L85 PathProgramCache]: Analyzing trace with hash -1246782490, now seen corresponding path program 1 times [2022-10-15 17:09:47,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:09:47,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416098047] [2022-10-15 17:09:47,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:09:47,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:09:47,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:09:47,505 INFO L134 CoverageAnalysis]: Checked inductivity of 655 backedges. 428 proven. 0 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2022-10-15 17:09:47,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:09:47,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416098047] [2022-10-15 17:09:47,505 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416098047] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:09:47,506 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:09:47,506 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:09:47,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778566041] [2022-10-15 17:09:47,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:09:47,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:09:47,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:09:47,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:09:47,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:09:47,508 INFO L87 Difference]: Start difference. First operand 4375 states and 6322 transitions. Second operand has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:47,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:09:47,630 INFO L93 Difference]: Finished difference Result 4375 states and 6241 transitions. [2022-10-15 17:09:47,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:09:47,631 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 261 [2022-10-15 17:09:47,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:09:47,641 INFO L225 Difference]: With dead ends: 4375 [2022-10-15 17:09:47,641 INFO L226 Difference]: Without dead ends: 4375 [2022-10-15 17:09:47,643 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:09:47,644 INFO L413 NwaCegarLoop]: 216 mSDtfsCounter, 16 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:09:47,644 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 321 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:09:47,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4375 states. [2022-10-15 17:09:47,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4375 to 4375. [2022-10-15 17:09:47,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4375 states, 4374 states have (on average 1.426840420667581) internal successors, (6241), 4374 states have internal predecessors, (6241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:47,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4375 states to 4375 states and 6241 transitions. [2022-10-15 17:09:47,736 INFO L78 Accepts]: Start accepts. Automaton has 4375 states and 6241 transitions. Word has length 261 [2022-10-15 17:09:47,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:09:47,737 INFO L495 AbstractCegarLoop]: Abstraction has 4375 states and 6241 transitions. [2022-10-15 17:09:47,737 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:47,737 INFO L276 IsEmpty]: Start isEmpty. Operand 4375 states and 6241 transitions. [2022-10-15 17:09:47,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2022-10-15 17:09:47,750 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:09:47,750 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 8, 8, 7, 7, 6, 6, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:09:47,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-10-15 17:09:47,751 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:09:47,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:09:47,753 INFO L85 PathProgramCache]: Analyzing trace with hash -791509653, now seen corresponding path program 2 times [2022-10-15 17:09:47,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:09:47,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452842107] [2022-10-15 17:09:47,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:09:47,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:09:47,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:09:47,972 INFO L134 CoverageAnalysis]: Checked inductivity of 844 backedges. 600 proven. 26 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2022-10-15 17:09:47,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:09:47,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452842107] [2022-10-15 17:09:47,973 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452842107] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 17:09:47,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1912522397] [2022-10-15 17:09:47,973 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-15 17:09:47,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 17:09:47,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 17:09:47,975 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 17:09:47,999 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-15 17:09:48,132 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-10-15 17:09:48,132 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-15 17:09:48,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 521 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-15 17:09:48,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 17:09:48,454 INFO L134 CoverageAnalysis]: Checked inductivity of 844 backedges. 488 proven. 0 refuted. 0 times theorem prover too weak. 356 trivial. 0 not checked. [2022-10-15 17:09:48,454 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 17:09:48,454 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1912522397] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:09:48,454 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 17:09:48,454 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-10-15 17:09:48,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293746071] [2022-10-15 17:09:48,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:09:48,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:09:48,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:09:48,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:09:48,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 17:09:48,457 INFO L87 Difference]: Start difference. First operand 4375 states and 6241 transitions. Second operand has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:48,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:09:48,505 INFO L93 Difference]: Finished difference Result 8106 states and 11506 transitions. [2022-10-15 17:09:48,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:09:48,506 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 289 [2022-10-15 17:09:48,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:09:48,524 INFO L225 Difference]: With dead ends: 8106 [2022-10-15 17:09:48,524 INFO L226 Difference]: Without dead ends: 8106 [2022-10-15 17:09:48,524 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 292 GetRequests, 289 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 17:09:48,525 INFO L413 NwaCegarLoop]: 341 mSDtfsCounter, 114 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 540 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 17:09:48,525 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 540 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:09:48,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8106 states. [2022-10-15 17:09:48,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8106 to 8104. [2022-10-15 17:09:48,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8104 states, 8103 states have (on average 1.4198445020362829) internal successors, (11505), 8103 states have internal predecessors, (11505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:48,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8104 states to 8104 states and 11505 transitions. [2022-10-15 17:09:48,701 INFO L78 Accepts]: Start accepts. Automaton has 8104 states and 11505 transitions. Word has length 289 [2022-10-15 17:09:48,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:09:48,702 INFO L495 AbstractCegarLoop]: Abstraction has 8104 states and 11505 transitions. [2022-10-15 17:09:48,702 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:48,702 INFO L276 IsEmpty]: Start isEmpty. Operand 8104 states and 11505 transitions. [2022-10-15 17:09:48,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2022-10-15 17:09:48,723 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:09:48,723 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 8, 8, 7, 7, 6, 6, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:09:48,768 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-15 17:09:48,937 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2022-10-15 17:09:48,937 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:09:48,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:09:48,938 INFO L85 PathProgramCache]: Analyzing trace with hash -230809875, now seen corresponding path program 1 times [2022-10-15 17:09:48,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:09:48,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507058931] [2022-10-15 17:09:48,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:09:48,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:09:48,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:09:49,121 INFO L134 CoverageAnalysis]: Checked inductivity of 844 backedges. 600 proven. 26 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2022-10-15 17:09:49,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:09:49,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507058931] [2022-10-15 17:09:49,121 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507058931] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 17:09:49,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [48054108] [2022-10-15 17:09:49,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:09:49,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 17:09:49,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 17:09:49,123 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 17:09:49,142 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-15 17:09:49,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:09:49,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 522 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-15 17:09:49,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 17:09:49,371 INFO L134 CoverageAnalysis]: Checked inductivity of 844 backedges. 600 proven. 26 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2022-10-15 17:09:49,371 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-15 17:09:49,474 INFO L134 CoverageAnalysis]: Checked inductivity of 844 backedges. 600 proven. 26 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2022-10-15 17:09:49,474 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [48054108] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-15 17:09:49,475 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-15 17:09:49,475 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2022-10-15 17:09:49,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818952190] [2022-10-15 17:09:49,475 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-15 17:09:49,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 17:09:49,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:09:49,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 17:09:49,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-15 17:09:49,478 INFO L87 Difference]: Start difference. First operand 8104 states and 11505 transitions. Second operand has 6 states, 6 states have (on average 41.0) internal successors, (246), 6 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:50,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:09:50,164 INFO L93 Difference]: Finished difference Result 17753 states and 23809 transitions. [2022-10-15 17:09:50,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-15 17:09:50,165 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 41.0) internal successors, (246), 6 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 289 [2022-10-15 17:09:50,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:09:50,200 INFO L225 Difference]: With dead ends: 17753 [2022-10-15 17:09:50,200 INFO L226 Difference]: Without dead ends: 16907 [2022-10-15 17:09:50,200 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 588 GetRequests, 580 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-10-15 17:09:50,201 INFO L413 NwaCegarLoop]: 293 mSDtfsCounter, 585 mSDsluCounter, 602 mSDsCounter, 0 mSdLazyCounter, 603 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 585 SdHoareTripleChecker+Valid, 895 SdHoareTripleChecker+Invalid, 686 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 603 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-15 17:09:50,201 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [585 Valid, 895 Invalid, 686 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 603 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-15 17:09:50,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16907 states. [2022-10-15 17:09:50,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16907 to 7895. [2022-10-15 17:09:50,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7895 states, 7894 states have (on average 1.3686344058778819) internal successors, (10804), 7894 states have internal predecessors, (10804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:50,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7895 states to 7895 states and 10804 transitions. [2022-10-15 17:09:50,517 INFO L78 Accepts]: Start accepts. Automaton has 7895 states and 10804 transitions. Word has length 289 [2022-10-15 17:09:50,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:09:50,518 INFO L495 AbstractCegarLoop]: Abstraction has 7895 states and 10804 transitions. [2022-10-15 17:09:50,518 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 41.0) internal successors, (246), 6 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:50,518 INFO L276 IsEmpty]: Start isEmpty. Operand 7895 states and 10804 transitions. [2022-10-15 17:09:50,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2022-10-15 17:09:50,536 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:09:50,536 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:09:50,578 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-10-15 17:09:50,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 17:09:50,750 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:09:50,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:09:50,751 INFO L85 PathProgramCache]: Analyzing trace with hash -187636111, now seen corresponding path program 1 times [2022-10-15 17:09:50,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:09:50,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548244930] [2022-10-15 17:09:50,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:09:50,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:09:50,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:09:50,908 INFO L134 CoverageAnalysis]: Checked inductivity of 986 backedges. 691 proven. 16 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2022-10-15 17:09:50,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:09:50,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548244930] [2022-10-15 17:09:50,909 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548244930] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 17:09:50,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1269654628] [2022-10-15 17:09:50,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:09:50,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 17:09:50,909 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 17:09:50,911 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 17:09:50,934 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-10-15 17:09:51,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:09:51,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 534 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-15 17:09:51,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 17:09:51,108 INFO L134 CoverageAnalysis]: Checked inductivity of 986 backedges. 691 proven. 16 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2022-10-15 17:09:51,108 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-15 17:09:51,189 INFO L134 CoverageAnalysis]: Checked inductivity of 986 backedges. 691 proven. 16 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2022-10-15 17:09:51,190 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1269654628] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-15 17:09:51,190 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-15 17:09:51,190 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2022-10-15 17:09:51,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002063036] [2022-10-15 17:09:51,191 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-15 17:09:51,193 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 17:09:51,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:09:51,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 17:09:51,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-15 17:09:51,195 INFO L87 Difference]: Start difference. First operand 7895 states and 10804 transitions. Second operand has 6 states, 6 states have (on average 35.833333333333336) internal successors, (215), 6 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:51,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:09:51,831 INFO L93 Difference]: Finished difference Result 13758 states and 17064 transitions. [2022-10-15 17:09:51,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-15 17:09:51,831 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 35.833333333333336) internal successors, (215), 6 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 319 [2022-10-15 17:09:51,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:09:51,859 INFO L225 Difference]: With dead ends: 13758 [2022-10-15 17:09:51,859 INFO L226 Difference]: Without dead ends: 13758 [2022-10-15 17:09:51,859 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 648 GetRequests, 640 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-10-15 17:09:51,860 INFO L413 NwaCegarLoop]: 492 mSDtfsCounter, 567 mSDsluCounter, 670 mSDsCounter, 0 mSdLazyCounter, 613 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 567 SdHoareTripleChecker+Valid, 1162 SdHoareTripleChecker+Invalid, 667 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 613 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-15 17:09:51,860 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [567 Valid, 1162 Invalid, 667 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 613 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-15 17:09:51,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13758 states. [2022-10-15 17:09:51,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13758 to 6359. [2022-10-15 17:09:52,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6359 states, 6358 states have (on average 1.2568417741428122) internal successors, (7991), 6358 states have internal predecessors, (7991), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:52,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6359 states to 6359 states and 7991 transitions. [2022-10-15 17:09:52,015 INFO L78 Accepts]: Start accepts. Automaton has 6359 states and 7991 transitions. Word has length 319 [2022-10-15 17:09:52,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:09:52,016 INFO L495 AbstractCegarLoop]: Abstraction has 6359 states and 7991 transitions. [2022-10-15 17:09:52,016 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 35.833333333333336) internal successors, (215), 6 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:52,016 INFO L276 IsEmpty]: Start isEmpty. Operand 6359 states and 7991 transitions. [2022-10-15 17:09:52,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2022-10-15 17:09:52,033 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:09:52,033 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 17:09:52,072 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-10-15 17:09:52,247 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2022-10-15 17:09:52,247 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:09:52,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:09:52,248 INFO L85 PathProgramCache]: Analyzing trace with hash -1177593648, now seen corresponding path program 1 times [2022-10-15 17:09:52,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:09:52,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021261642] [2022-10-15 17:09:52,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:09:52,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:09:52,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:09:52,596 INFO L134 CoverageAnalysis]: Checked inductivity of 1392 backedges. 840 proven. 66 refuted. 0 times theorem prover too weak. 486 trivial. 0 not checked. [2022-10-15 17:09:52,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:09:52,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021261642] [2022-10-15 17:09:52,597 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1021261642] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 17:09:52,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [905584285] [2022-10-15 17:09:52,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:09:52,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 17:09:52,598 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 17:09:52,599 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 17:09:52,616 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-10-15 17:09:52,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:09:52,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 611 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-15 17:09:52,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 17:09:52,786 INFO L134 CoverageAnalysis]: Checked inductivity of 1392 backedges. 851 proven. 0 refuted. 0 times theorem prover too weak. 541 trivial. 0 not checked. [2022-10-15 17:09:52,786 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 17:09:52,787 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [905584285] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:09:52,787 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 17:09:52,787 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-10-15 17:09:52,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134638689] [2022-10-15 17:09:52,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:09:52,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:09:52,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:09:52,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:09:52,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 17:09:52,791 INFO L87 Difference]: Start difference. First operand 6359 states and 7991 transitions. Second operand has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:52,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:09:52,912 INFO L93 Difference]: Finished difference Result 6166 states and 7703 transitions. [2022-10-15 17:09:52,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:09:52,913 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 373 [2022-10-15 17:09:52,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:09:52,925 INFO L225 Difference]: With dead ends: 6166 [2022-10-15 17:09:52,925 INFO L226 Difference]: Without dead ends: 5700 [2022-10-15 17:09:52,926 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 377 GetRequests, 374 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 17:09:52,926 INFO L413 NwaCegarLoop]: 198 mSDtfsCounter, 23 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:09:52,927 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 308 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:09:52,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5700 states. [2022-10-15 17:09:53,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5700 to 5508. [2022-10-15 17:09:53,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5508 states, 5507 states have (on average 1.258943163246777) internal successors, (6933), 5507 states have internal predecessors, (6933), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:53,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5508 states to 5508 states and 6933 transitions. [2022-10-15 17:09:53,035 INFO L78 Accepts]: Start accepts. Automaton has 5508 states and 6933 transitions. Word has length 373 [2022-10-15 17:09:53,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:09:53,036 INFO L495 AbstractCegarLoop]: Abstraction has 5508 states and 6933 transitions. [2022-10-15 17:09:53,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:53,036 INFO L276 IsEmpty]: Start isEmpty. Operand 5508 states and 6933 transitions. [2022-10-15 17:09:53,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2022-10-15 17:09:53,054 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:09:53,054 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 7, 7, 6, 6, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:09:53,107 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-10-15 17:09:53,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2022-10-15 17:09:53,268 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:09:53,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:09:53,269 INFO L85 PathProgramCache]: Analyzing trace with hash 1448471752, now seen corresponding path program 1 times [2022-10-15 17:09:53,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:09:53,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826833187] [2022-10-15 17:09:53,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:09:53,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:09:53,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:09:53,409 INFO L134 CoverageAnalysis]: Checked inductivity of 1387 backedges. 877 proven. 0 refuted. 0 times theorem prover too weak. 510 trivial. 0 not checked. [2022-10-15 17:09:53,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:09:53,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826833187] [2022-10-15 17:09:53,410 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826833187] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:09:53,410 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:09:53,410 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:09:53,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781703844] [2022-10-15 17:09:53,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:09:53,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:09:53,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:09:53,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:09:53,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:09:53,412 INFO L87 Difference]: Start difference. First operand 5508 states and 6933 transitions. Second operand has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:53,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:09:53,442 INFO L93 Difference]: Finished difference Result 5608 states and 7038 transitions. [2022-10-15 17:09:53,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:09:53,443 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 375 [2022-10-15 17:09:53,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:09:53,453 INFO L225 Difference]: With dead ends: 5608 [2022-10-15 17:09:53,454 INFO L226 Difference]: Without dead ends: 5010 [2022-10-15 17:09:53,454 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:09:53,455 INFO L413 NwaCegarLoop]: 278 mSDtfsCounter, 56 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 467 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 17:09:53,455 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 467 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 17:09:53,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5010 states. [2022-10-15 17:09:53,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5010 to 4750. [2022-10-15 17:09:53,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4750 states, 4749 states have (on average 1.2621604548325964) internal successors, (5994), 4749 states have internal predecessors, (5994), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:53,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4750 states to 4750 states and 5994 transitions. [2022-10-15 17:09:53,527 INFO L78 Accepts]: Start accepts. Automaton has 4750 states and 5994 transitions. Word has length 375 [2022-10-15 17:09:53,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:09:53,527 INFO L495 AbstractCegarLoop]: Abstraction has 4750 states and 5994 transitions. [2022-10-15 17:09:53,527 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:53,528 INFO L276 IsEmpty]: Start isEmpty. Operand 4750 states and 5994 transitions. [2022-10-15 17:09:53,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2022-10-15 17:09:53,535 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:09:53,536 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 12, 12, 11, 11, 10, 10, 8, 8, 8, 8, 6, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:09:53,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-10-15 17:09:53,536 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:09:53,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:09:53,537 INFO L85 PathProgramCache]: Analyzing trace with hash 1769991755, now seen corresponding path program 1 times [2022-10-15 17:09:53,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:09:53,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830165324] [2022-10-15 17:09:53,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:09:53,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:09:53,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:09:53,758 INFO L134 CoverageAnalysis]: Checked inductivity of 1898 backedges. 518 proven. 22 refuted. 0 times theorem prover too weak. 1358 trivial. 0 not checked. [2022-10-15 17:09:53,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:09:53,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830165324] [2022-10-15 17:09:53,759 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830165324] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 17:09:53,759 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [858484495] [2022-10-15 17:09:53,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:09:53,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 17:09:53,759 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 17:09:53,761 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 17:09:53,763 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-10-15 17:09:53,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:09:53,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 699 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-15 17:09:53,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 17:09:54,003 INFO L134 CoverageAnalysis]: Checked inductivity of 1898 backedges. 518 proven. 22 refuted. 0 times theorem prover too weak. 1358 trivial. 0 not checked. [2022-10-15 17:09:54,003 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-15 17:09:54,094 INFO L134 CoverageAnalysis]: Checked inductivity of 1898 backedges. 518 proven. 22 refuted. 0 times theorem prover too weak. 1358 trivial. 0 not checked. [2022-10-15 17:09:54,094 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [858484495] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-15 17:09:54,094 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-15 17:09:54,095 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2022-10-15 17:09:54,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599928306] [2022-10-15 17:09:54,095 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-15 17:09:54,096 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-15 17:09:54,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:09:54,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-15 17:09:54,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-10-15 17:09:54,099 INFO L87 Difference]: Start difference. First operand 4750 states and 5994 transitions. Second operand has 8 states, 8 states have (on average 33.625) internal successors, (269), 8 states have internal predecessors, (269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:54,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:09:54,383 INFO L93 Difference]: Finished difference Result 2824 states and 3482 transitions. [2022-10-15 17:09:54,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 17:09:54,383 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 33.625) internal successors, (269), 8 states have internal predecessors, (269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 422 [2022-10-15 17:09:54,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:09:54,388 INFO L225 Difference]: With dead ends: 2824 [2022-10-15 17:09:54,388 INFO L226 Difference]: Without dead ends: 1941 [2022-10-15 17:09:54,389 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 850 GetRequests, 842 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-10-15 17:09:54,389 INFO L413 NwaCegarLoop]: 177 mSDtfsCounter, 111 mSDsluCounter, 519 mSDsCounter, 0 mSdLazyCounter, 368 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 696 SdHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 17:09:54,389 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 696 Invalid, 405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 368 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 17:09:54,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1941 states. [2022-10-15 17:09:54,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1941 to 1778. [2022-10-15 17:09:54,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1778 states, 1777 states have (on average 1.2543612830613393) internal successors, (2229), 1777 states have internal predecessors, (2229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:54,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1778 states to 1778 states and 2229 transitions. [2022-10-15 17:09:54,418 INFO L78 Accepts]: Start accepts. Automaton has 1778 states and 2229 transitions. Word has length 422 [2022-10-15 17:09:54,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:09:54,419 INFO L495 AbstractCegarLoop]: Abstraction has 1778 states and 2229 transitions. [2022-10-15 17:09:54,419 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 33.625) internal successors, (269), 8 states have internal predecessors, (269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:54,419 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states and 2229 transitions. [2022-10-15 17:09:54,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 451 [2022-10-15 17:09:54,424 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 17:09:54,424 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 16, 16, 16, 16, 16, 16, 16, 16, 16, 14, 14, 14, 12, 12, 10, 10, 8, 8, 6, 6, 6, 6, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:09:54,467 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-10-15 17:09:54,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 17:09:54,639 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 17:09:54,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 17:09:54,645 INFO L85 PathProgramCache]: Analyzing trace with hash 453064076, now seen corresponding path program 1 times [2022-10-15 17:09:54,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 17:09:54,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616329165] [2022-10-15 17:09:54,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 17:09:54,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 17:09:54,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 17:09:54,836 INFO L134 CoverageAnalysis]: Checked inductivity of 2286 backedges. 1040 proven. 0 refuted. 0 times theorem prover too weak. 1246 trivial. 0 not checked. [2022-10-15 17:09:54,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 17:09:54,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616329165] [2022-10-15 17:09:54,836 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [616329165] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 17:09:54,837 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 17:09:54,837 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 17:09:54,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654147387] [2022-10-15 17:09:54,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 17:09:54,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 17:09:54,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 17:09:54,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 17:09:54,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:09:54,839 INFO L87 Difference]: Start difference. First operand 1778 states and 2229 transitions. Second operand has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:54,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 17:09:54,923 INFO L93 Difference]: Finished difference Result 1395 states and 1742 transitions. [2022-10-15 17:09:54,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 17:09:54,924 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 450 [2022-10-15 17:09:54,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 17:09:54,925 INFO L225 Difference]: With dead ends: 1395 [2022-10-15 17:09:54,925 INFO L226 Difference]: Without dead ends: 0 [2022-10-15 17:09:54,925 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 17:09:54,927 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 142 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 17:09:54,927 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 135 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 17:09:54,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-10-15 17:09:54,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-10-15 17:09:54,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:54,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-10-15 17:09:54,928 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 450 [2022-10-15 17:09:54,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 17:09:54,928 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-15 17:09:54,929 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 17:09:54,929 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-10-15 17:09:54,929 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-15 17:09:54,932 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (1 of 2 remaining) [2022-10-15 17:09:54,933 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (0 of 2 remaining) [2022-10-15 17:09:54,933 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-10-15 17:09:54,937 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:09:54,940 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-15 17:09:54,943 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 05:09:54 BoogieIcfgContainer [2022-10-15 17:09:54,944 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-15 17:09:54,944 INFO L158 Benchmark]: Toolchain (without parser) took 20620.55ms. Allocated memory was 153.1MB in the beginning and 458.2MB in the end (delta: 305.1MB). Free memory was 127.6MB in the beginning and 242.7MB in the end (delta: -115.2MB). Peak memory consumption was 190.6MB. Max. memory is 8.0GB. [2022-10-15 17:09:54,945 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 153.1MB. Free memory was 123.4MB in the beginning and 123.3MB in the end (delta: 79.5kB). There was no memory consumed. Max. memory is 8.0GB. [2022-10-15 17:09:54,945 INFO L158 Benchmark]: CACSL2BoogieTranslator took 531.41ms. Allocated memory is still 153.1MB. Free memory was 127.4MB in the beginning and 112.3MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2022-10-15 17:09:54,945 INFO L158 Benchmark]: Boogie Procedure Inliner took 141.56ms. Allocated memory is still 153.1MB. Free memory was 112.3MB in the beginning and 109.2MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-10-15 17:09:54,945 INFO L158 Benchmark]: Boogie Preprocessor took 100.71ms. Allocated memory is still 153.1MB. Free memory was 109.2MB in the beginning and 106.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-10-15 17:09:54,945 INFO L158 Benchmark]: RCFGBuilder took 1112.15ms. Allocated memory is still 153.1MB. Free memory was 106.9MB in the beginning and 103.7MB in the end (delta: 3.3MB). Peak memory consumption was 10.9MB. Max. memory is 8.0GB. [2022-10-15 17:09:54,946 INFO L158 Benchmark]: TraceAbstraction took 18714.18ms. Allocated memory was 153.1MB in the beginning and 458.2MB in the end (delta: 305.1MB). Free memory was 103.1MB in the beginning and 242.7MB in the end (delta: -139.6MB). Peak memory consumption was 167.1MB. Max. memory is 8.0GB. [2022-10-15 17:09:54,947 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 153.1MB. Free memory was 123.4MB in the beginning and 123.3MB in the end (delta: 79.5kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 531.41ms. Allocated memory is still 153.1MB. Free memory was 127.4MB in the beginning and 112.3MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 141.56ms. Allocated memory is still 153.1MB. Free memory was 112.3MB in the beginning and 109.2MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 100.71ms. Allocated memory is still 153.1MB. Free memory was 109.2MB in the beginning and 106.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 1112.15ms. Allocated memory is still 153.1MB. Free memory was 106.9MB in the beginning and 103.7MB in the end (delta: 3.3MB). Peak memory consumption was 10.9MB. Max. memory is 8.0GB. * TraceAbstraction took 18714.18ms. Allocated memory was 153.1MB in the beginning and 458.2MB in the end (delta: 305.1MB). Free memory was 103.1MB in the beginning and 242.7MB in the end (delta: -139.6MB). Peak memory consumption was 167.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 635]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 639]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 147 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 18.6s, OverallIterations: 42, TraceHistogramMax: 17, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.3s, AutomataDifference: 6.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6595 SdHoareTripleChecker+Valid, 4.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6595 mSDsluCounter, 13173 SdHoareTripleChecker+Invalid, 3.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4664 mSDsCounter, 1281 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4423 IncrementalHoareTripleChecker+Invalid, 5704 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1281 mSolverCounterUnsat, 8509 mSDtfsCounter, 4423 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3048 GetRequests, 2979 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8104occurred in iteration=36, InterpolantAutomatonStates: 142, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.2s AutomataMinimizationTime, 42 MinimizatonAttempts, 17726 StatesRemovedByMinimization, 32 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 6.0s InterpolantComputationTime, 8075 NumberOfCodeBlocks, 8075 NumberOfCodeBlocksAsserted, 49 NumberOfCheckSat, 9054 ConstructedInterpolants, 0 QuantifiedInterpolants, 13991 SizeOfPredicates, 3 NumberOfNonLiveVariables, 3267 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 51 InterpolantComputations, 39 PerfectInterpolantSequences, 23983/24293 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-10-15 17:09:55,010 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...