/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/float-benchs/sin_interpolated_negation.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 01:15:49,680 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 01:15:49,683 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 01:15:49,734 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 01:15:49,734 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 01:15:49,739 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 01:15:49,743 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 01:15:49,751 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 01:15:49,754 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 01:15:49,760 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 01:15:49,761 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 01:15:49,768 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 01:15:49,769 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 01:15:49,770 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 01:15:49,773 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 01:15:49,775 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 01:15:49,777 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 01:15:49,778 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 01:15:49,783 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 01:15:49,790 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 01:15:49,795 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 01:15:49,797 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 01:15:49,798 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 01:15:49,801 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 01:15:49,811 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 01:15:49,817 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 01:15:49,818 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 01:15:49,820 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 01:15:49,821 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 01:15:49,822 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 01:15:49,823 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 01:15:49,823 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 01:15:49,824 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 01:15:49,824 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 01:15:49,825 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 01:15:49,826 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 01:15:49,827 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 [2022-10-16 01:15:49,885 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 01:15:49,885 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 01:15:49,886 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 01:15:49,887 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 01:15:49,889 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 01:15:49,889 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 01:15:49,892 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 01:15:49,893 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 01:15:49,893 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 01:15:49,894 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 01:15:49,895 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 01:15:49,895 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 01:15:49,895 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 01:15:49,895 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 01:15:49,896 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 01:15:49,896 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-16 01:15:49,896 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-16 01:15:49,896 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-16 01:15:49,896 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 01:15:49,896 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-16 01:15:49,897 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 01:15:49,897 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 01:15:49,897 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 01:15:49,897 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 01:15:49,897 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 01:15:49,898 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 01:15:49,898 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 01:15:49,898 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 01:15:49,898 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 01:15:49,898 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 01:15:49,899 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 01:15:50,273 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 01:15:50,298 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 01:15:50,301 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 01:15:50,303 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 01:15:50,306 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 01:15:50,308 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/sin_interpolated_negation.c [2022-10-16 01:15:50,393 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aff42197e/136b21543891467296cb4d2bd64c8294/FLAGb47feeaf0 [2022-10-16 01:15:50,991 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 01:15:50,992 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/sin_interpolated_negation.c [2022-10-16 01:15:51,004 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aff42197e/136b21543891467296cb4d2bd64c8294/FLAGb47feeaf0 [2022-10-16 01:15:51,334 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aff42197e/136b21543891467296cb4d2bd64c8294 [2022-10-16 01:15:51,337 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 01:15:51,343 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 01:15:51,344 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 01:15:51,345 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 01:15:51,349 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 01:15:51,350 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:15:51" (1/1) ... [2022-10-16 01:15:51,351 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69eddd1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:15:51, skipping insertion in model container [2022-10-16 01:15:51,351 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:15:51" (1/1) ... [2022-10-16 01:15:51,360 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 01:15:51,383 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 01:15:51,544 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/float-benchs/sin_interpolated_negation.c[684,697] [2022-10-16 01:15:51,586 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 01:15:51,650 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 01:15:51,669 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/float-benchs/sin_interpolated_negation.c[684,697] [2022-10-16 01:15:51,705 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 01:15:51,789 INFO L208 MainTranslator]: Completed translation [2022-10-16 01:15:51,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:15:51 WrapperNode [2022-10-16 01:15:51,789 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 01:15:51,794 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 01:15:51,794 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 01:15:51,794 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 01:15:51,802 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:15:51" (1/1) ... [2022-10-16 01:15:51,833 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:15:51" (1/1) ... [2022-10-16 01:15:51,896 INFO L138 Inliner]: procedures = 21, calls = 382, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 405 [2022-10-16 01:15:51,897 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 01:15:51,898 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 01:15:51,898 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 01:15:51,898 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 01:15:51,909 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:15:51" (1/1) ... [2022-10-16 01:15:51,909 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:15:51" (1/1) ... [2022-10-16 01:15:51,917 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:15:51" (1/1) ... [2022-10-16 01:15:51,917 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:15:51" (1/1) ... [2022-10-16 01:15:51,960 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:15:51" (1/1) ... [2022-10-16 01:15:51,968 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:15:51" (1/1) ... [2022-10-16 01:15:51,977 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:15:51" (1/1) ... [2022-10-16 01:15:51,982 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:15:51" (1/1) ... [2022-10-16 01:15:51,995 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 01:15:51,996 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 01:15:52,000 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 01:15:52,000 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 01:15:52,001 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:15:51" (1/1) ... [2022-10-16 01:15:52,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 01:15:52,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 01:15:52,051 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) [2022-10-16 01:15:52,068 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 [2022-10-16 01:15:52,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 01:15:52,128 INFO L130 BoogieDeclarations]: Found specification of procedure SIN_POS [2022-10-16 01:15:52,128 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN_POS [2022-10-16 01:15:52,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 01:15:52,129 INFO L130 BoogieDeclarations]: Found specification of procedure SIN_0_180 [2022-10-16 01:15:52,129 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN_0_180 [2022-10-16 01:15:52,129 INFO L130 BoogieDeclarations]: Found specification of procedure SIN_180 [2022-10-16 01:15:52,129 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN_180 [2022-10-16 01:15:52,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-10-16 01:15:52,129 INFO L130 BoogieDeclarations]: Found specification of procedure SIN [2022-10-16 01:15:52,130 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN [2022-10-16 01:15:52,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 01:15:52,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 01:15:52,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2022-10-16 01:15:52,274 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 01:15:52,276 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 01:15:52,913 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 01:15:52,923 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 01:15:52,923 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-16 01:15:52,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:15:52 BoogieIcfgContainer [2022-10-16 01:15:52,926 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 01:15:52,928 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 01:15:52,928 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 01:15:52,933 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 01:15:52,933 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 01:15:51" (1/3) ... [2022-10-16 01:15:52,934 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1da07c0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:15:52, skipping insertion in model container [2022-10-16 01:15:52,934 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:15:51" (2/3) ... [2022-10-16 01:15:52,935 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1da07c0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:15:52, skipping insertion in model container [2022-10-16 01:15:52,935 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:15:52" (3/3) ... [2022-10-16 01:15:52,936 INFO L112 eAbstractionObserver]: Analyzing ICFG sin_interpolated_negation.c [2022-10-16 01:15:52,962 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 01:15:52,962 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-10-16 01:15:53,038 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 01:15:53,052 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;@516b79ef, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 01:15:53,052 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-10-16 01:15:53,069 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 34 states have (on average 1.3823529411764706) internal successors, (47), 40 states have internal predecessors, (47), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-10-16 01:15:53,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-16 01:15:53,085 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 01:15:53,086 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-10-16 01:15:53,088 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, SIN_0_180Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 3 more)] === [2022-10-16 01:15:53,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 01:15:53,097 INFO L85 PathProgramCache]: Analyzing trace with hash 47809654, now seen corresponding path program 1 times [2022-10-16 01:15:53,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 01:15:53,111 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75744517] [2022-10-16 01:15:53,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 01:15:53,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 01:15:53,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 01:15:53,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 01:15:53,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 01:15:53,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75744517] [2022-10-16 01:15:53,453 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75744517] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 01:15:53,454 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 01:15:53,454 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 01:15:53,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715010959] [2022-10-16 01:15:53,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 01:15:53,462 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-16 01:15:53,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 01:15:53,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-16 01:15:53,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 01:15:53,502 INFO L87 Difference]: Start difference. First operand has 53 states, 34 states have (on average 1.3823529411764706) internal successors, (47), 40 states have internal predecessors, (47), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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) [2022-10-16 01:15:53,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 01:15:53,528 INFO L93 Difference]: Finished difference Result 53 states and 60 transitions. [2022-10-16 01:15:53,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-16 01:15:53,531 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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 5 [2022-10-16 01:15:53,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 01:15:53,540 INFO L225 Difference]: With dead ends: 53 [2022-10-16 01:15:53,541 INFO L226 Difference]: Without dead ends: 51 [2022-10-16 01:15:53,543 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 01:15:53,548 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 01:15:53,549 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 01:15:53,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2022-10-16 01:15:53,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2022-10-16 01:15:53,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 33 states have (on average 1.2727272727272727) internal successors, (42), 38 states have internal predecessors, (42), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-10-16 01:15:53,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 58 transitions. [2022-10-16 01:15:53,597 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 58 transitions. Word has length 5 [2022-10-16 01:15:53,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 01:15:53,597 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 58 transitions. [2022-10-16 01:15:53,598 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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) [2022-10-16 01:15:53,598 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 58 transitions. [2022-10-16 01:15:53,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-16 01:15:53,598 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 01:15:53,599 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-10-16 01:15:53,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 01:15:53,599 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, SIN_0_180Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 3 more)] === [2022-10-16 01:15:53,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 01:15:53,600 INFO L85 PathProgramCache]: Analyzing trace with hash 47783707, now seen corresponding path program 1 times [2022-10-16 01:15:53,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 01:15:53,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465836420] [2022-10-16 01:15:53,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 01:15:53,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 01:15:53,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 01:15:53,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 01:15:53,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 01:15:53,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465836420] [2022-10-16 01:15:53,788 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465836420] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 01:15:53,788 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 01:15:53,788 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 01:15:53,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072721014] [2022-10-16 01:15:53,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 01:15:53,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 01:15:53,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 01:15:53,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 01:15:53,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 01:15:53,793 INFO L87 Difference]: Start difference. First operand 51 states and 58 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) [2022-10-16 01:15:53,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 01:15:53,839 INFO L93 Difference]: Finished difference Result 50 states and 57 transitions. [2022-10-16 01:15:53,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 01:15:53,840 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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 5 [2022-10-16 01:15:53,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 01:15:53,842 INFO L225 Difference]: With dead ends: 50 [2022-10-16 01:15:53,842 INFO L226 Difference]: Without dead ends: 48 [2022-10-16 01:15:53,842 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 [2022-10-16 01:15:53,844 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 9 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 01:15:53,845 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 93 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 01:15:53,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2022-10-16 01:15:53,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2022-10-16 01:15:53,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 35 states have internal predecessors, (39), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-10-16 01:15:53,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 55 transitions. [2022-10-16 01:15:53,855 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 55 transitions. Word has length 5 [2022-10-16 01:15:53,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 01:15:53,856 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 55 transitions. [2022-10-16 01:15:53,856 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) [2022-10-16 01:15:53,857 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 55 transitions. [2022-10-16 01:15:53,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-16 01:15:53,858 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 01:15:53,858 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 01:15:53,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 01:15:53,859 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting SIN_0_180Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, SIN_0_180Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 3 more)] === [2022-10-16 01:15:53,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 01:15:53,860 INFO L85 PathProgramCache]: Analyzing trace with hash 1184090883, now seen corresponding path program 1 times [2022-10-16 01:15:53,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 01:15:53,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746936775] [2022-10-16 01:15:53,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 01:15:53,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 01:15:53,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 01:15:54,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 01:15:54,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 01:15:54,191 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746936775] [2022-10-16 01:15:54,191 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746936775] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 01:15:54,192 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 01:15:54,193 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-10-16 01:15:54,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996114504] [2022-10-16 01:15:54,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 01:15:54,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 01:15:54,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 01:15:54,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 01:15:54,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 01:15:54,196 INFO L87 Difference]: Start difference. First operand 48 states and 55 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 01:15:54,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 01:15:54,213 INFO L93 Difference]: Finished difference Result 46 states and 53 transitions. [2022-10-16 01:15:54,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 01:15:54,214 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-10-16 01:15:54,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 01:15:54,216 INFO L225 Difference]: With dead ends: 46 [2022-10-16 01:15:54,216 INFO L226 Difference]: Without dead ends: 46 [2022-10-16 01:15:54,217 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 01:15:54,219 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 37 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 01:15:54,220 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 48 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 01:15:54,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2022-10-16 01:15:54,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2022-10-16 01:15:54,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 31 states have (on average 1.1935483870967742) internal successors, (37), 33 states have internal predecessors, (37), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-10-16 01:15:54,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 53 transitions. [2022-10-16 01:15:54,228 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 53 transitions. Word has length 17 [2022-10-16 01:15:54,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 01:15:54,229 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 53 transitions. [2022-10-16 01:15:54,230 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 01:15:54,230 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 53 transitions. [2022-10-16 01:15:54,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-16 01:15:54,231 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 01:15:54,231 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 01:15:54,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 01:15:54,232 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting SIN_0_180Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, SIN_0_180Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 3 more)] === [2022-10-16 01:15:54,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 01:15:54,233 INFO L85 PathProgramCache]: Analyzing trace with hash 1184090884, now seen corresponding path program 1 times [2022-10-16 01:15:54,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 01:15:54,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647432046] [2022-10-16 01:15:54,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 01:15:54,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 01:15:54,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-16 01:15:54,304 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-16 01:15:54,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-16 01:15:54,385 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-16 01:15:54,385 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-10-16 01:15:54,387 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location SIN_0_180Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 6 remaining) [2022-10-16 01:15:54,389 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (4 of 6 remaining) [2022-10-16 01:15:54,390 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (3 of 6 remaining) [2022-10-16 01:15:54,390 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location SIN_0_180Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 6 remaining) [2022-10-16 01:15:54,391 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location SIN_0_180Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (1 of 6 remaining) [2022-10-16 01:15:54,391 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location SIN_0_180Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (0 of 6 remaining) [2022-10-16 01:15:54,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 01:15:54,396 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-10-16 01:15:54,401 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-16 01:15:54,435 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 01:15:54 BoogieIcfgContainer [2022-10-16 01:15:54,435 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-16 01:15:54,437 INFO L158 Benchmark]: Toolchain (without parser) took 3097.65ms. Allocated memory was 152.0MB in the beginning and 198.2MB in the end (delta: 46.1MB). Free memory was 127.6MB in the beginning and 151.9MB in the end (delta: -24.3MB). Peak memory consumption was 22.5MB. Max. memory is 8.0GB. [2022-10-16 01:15:54,437 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 152.0MB. Free memory is still 121.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-10-16 01:15:54,438 INFO L158 Benchmark]: CACSL2BoogieTranslator took 445.46ms. Allocated memory is still 152.0MB. Free memory was 127.4MB in the beginning and 108.1MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2022-10-16 01:15:54,439 INFO L158 Benchmark]: Boogie Procedure Inliner took 103.29ms. Allocated memory is still 152.0MB. Free memory was 108.1MB in the beginning and 103.5MB in the end (delta: 4.6MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2022-10-16 01:15:54,439 INFO L158 Benchmark]: Boogie Preprocessor took 97.73ms. Allocated memory is still 152.0MB. Free memory was 103.5MB in the beginning and 99.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-10-16 01:15:54,440 INFO L158 Benchmark]: RCFGBuilder took 929.52ms. Allocated memory is still 152.0MB. Free memory was 99.2MB in the beginning and 112.3MB in the end (delta: -13.1MB). Peak memory consumption was 8.7MB. Max. memory is 8.0GB. [2022-10-16 01:15:54,441 INFO L158 Benchmark]: TraceAbstraction took 1507.45ms. Allocated memory was 152.0MB in the beginning and 198.2MB in the end (delta: 46.1MB). Free memory was 111.8MB in the beginning and 151.9MB in the end (delta: -40.1MB). Peak memory consumption was 7.6MB. Max. memory is 8.0GB. [2022-10-16 01:15:54,444 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 152.0MB. Free memory is still 121.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 445.46ms. Allocated memory is still 152.0MB. Free memory was 127.4MB in the beginning and 108.1MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 103.29ms. Allocated memory is still 152.0MB. Free memory was 108.1MB in the beginning and 103.5MB in the end (delta: 4.6MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 97.73ms. Allocated memory is still 152.0MB. Free memory was 103.5MB in the beginning and 99.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 929.52ms. Allocated memory is still 152.0MB. Free memory was 99.2MB in the beginning and 112.3MB in the end (delta: -13.1MB). Peak memory consumption was 8.7MB. Max. memory is 8.0GB. * TraceAbstraction took 1507.45ms. Allocated memory was 152.0MB in the beginning and 198.2MB in the end (delta: 46.1MB). Free memory was 111.8MB in the beginning and 151.9MB in the end (delta: -40.1MB). Peak memory consumption was 7.6MB. 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 - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: overapproximation of to_int at line 121, overapproximation of someUnaryDOUBLEoperation at line 130, overapproximation of someBinaryArithmeticDOUBLEoperation at line 120, overapproximation of someBinaryDOUBLEComparisonOperation at line 130, overapproximation of to_real at line 122. Possible FailurePath: [L20-L112] const double T[362] = { 0.00000000000000, 0.01745240643728, 0.03489949670250, 0.05233595624294, 0.06975647374413, 0.08715574274766, 0.10452846326765, 0.12186934340515, 0.13917310096007, 0.15643446504023, 0.17364817766693, 0.19080899537654, 0.20791169081776, 0.22495105434386, 0.24192189559967, 0.25881904510252, 0.27563735581700, 0.29237170472274, 0.30901699437495, 0.32556815445716, 0.34202014332567, 0.35836794954530, 0.37460659341591, 0.39073112848927, 0.40673664307580, 0.42261826174070, 0.43837114678908, 0.45399049973955, 0.46947156278589, 0.48480962024634, 0.50000000000000, 0.51503807491005, 0.52991926423320, 0.54463903501503, 0.55919290347075, 0.57357643635105, 0.58778525229247, 0.60181502315205, 0.61566147532566, 0.62932039104984, 0.64278760968654, 0.65605902899051, 0.66913060635886, 0.68199836006250, 0.69465837045900, 0.70710678118655, 0.71933980033865, 0.73135370161917, 0.74314482547739, 0.75470958022277, 0.76604444311898, 0.77714596145697, 0.78801075360672, 0.79863551004729, 0.80901699437495, 0.81915204428899, 0.82903757255504, 0.83867056794542, 0.84804809615643, 0.85716730070211, 0.86602540378444, 0.87461970713940, 0.88294759285893, 0.89100652418837, 0.89879404629917, 0.90630778703665, 0.91354545764260, 0.92050485345244, 0.92718385456679, 0.93358042649720, 0.93969262078591, 0.94551857559932, 0.95105651629515, 0.95630475596304, 0.96126169593832, 0.96592582628907, 0.97029572627600, 0.97437006478524, 0.97814760073381, 0.98162718344766, 0.98480775301221, 0.98768834059514, 0.99026806874157, 0.99254615164132, 0.99452189536827, 0.99619469809175, 0.99756405025982, 0.99862953475457, 0.99939082701910, 0.99984769515639, 1.00000000000000, 0.99984769515639, 0.99939082701910, 0.99862953475457, 0.99756405025982, 0.99619469809175, 0.99452189536827, 0.99254615164132, 0.99026806874157, 0.98768834059514, 0.98480775301221, 0.98162718344766, 0.97814760073381, 0.97437006478524, 0.97029572627600, 0.96592582628907, 0.96126169593832, 0.95630475596304, 0.95105651629515, 0.94551857559932, 0.93969262078591, 0.93358042649720, 0.92718385456679, 0.92050485345244, 0.91354545764260, 0.90630778703665, 0.89879404629917, 0.89100652418837, 0.88294759285893, 0.87461970713940, 0.86602540378444, 0.85716730070211, 0.84804809615643, 0.83867056794542, 0.82903757255504, 0.81915204428899, 0.80901699437495, 0.79863551004729, 0.78801075360672, 0.77714596145697, 0.76604444311898, 0.75470958022277, 0.74314482547739, 0.73135370161917, 0.71933980033865, 0.70710678118655, 0.69465837045900, 0.68199836006250, 0.66913060635886, 0.65605902899051, 0.64278760968654, 0.62932039104984, 0.61566147532566, 0.60181502315205, 0.58778525229247, 0.57357643635105, 0.55919290347075, 0.54463903501503, 0.52991926423320, 0.51503807491005, 0.50000000000000, 0.48480962024634, 0.46947156278589, 0.45399049973955, 0.43837114678908, 0.42261826174070, 0.40673664307580, 0.39073112848927, 0.37460659341591, 0.35836794954530, 0.34202014332567, 0.32556815445716, 0.30901699437495, 0.29237170472274, 0.27563735581700, 0.25881904510252, 0.24192189559967, 0.22495105434387, 0.20791169081776, 0.19080899537654, 0.17364817766693, 0.15643446504023, 0.13917310096007, 0.12186934340515, 0.10452846326765, 0.08715574274766, 0.06975647374413, 0.05233595624294, 0.03489949670250, 0.01745240643728, 0.00000000000000, -0.01745240643728, -0.03489949670250, -0.05233595624294, -0.06975647374412, -0.08715574274766, -0.10452846326765, -0.12186934340515, -0.13917310096007, -0.15643446504023, -0.17364817766693, -0.19080899537654, -0.20791169081776, -0.22495105434386, -0.24192189559967, -0.25881904510252, -0.27563735581700, -0.29237170472274, -0.30901699437495, -0.32556815445716, -0.34202014332567, -0.35836794954530, -0.37460659341591, -0.39073112848927, -0.40673664307580, -0.42261826174070, -0.43837114678908, -0.45399049973955, -0.46947156278589, -0.48480962024634, -0.50000000000000, -0.51503807491005, -0.52991926423320, -0.54463903501503, -0.55919290347075, -0.57357643635105, -0.58778525229247, -0.60181502315205, -0.61566147532566, -0.62932039104984, -0.64278760968654, -0.65605902899051, -0.66913060635886, -0.68199836006250, -0.69465837045900, -0.70710678118655, -0.71933980033865, -0.73135370161917, -0.74314482547739, -0.75470958022277, -0.76604444311898, -0.77714596145697, -0.78801075360672, -0.79863551004729, -0.80901699437495, -0.81915204428899, -0.82903757255504, -0.83867056794542, -0.84804809615643, -0.85716730070211, -0.86602540378444, -0.87461970713940, -0.88294759285893, -0.89100652418837, -0.89879404629917, -0.90630778703665, -0.91354545764260, -0.92050485345244, -0.92718385456679, -0.93358042649720, -0.93969262078591, -0.94551857559932, -0.95105651629515, -0.95630475596304, -0.96126169593832, -0.96592582628907, -0.97029572627600, -0.97437006478524, -0.97814760073381, -0.98162718344766, -0.98480775301221, -0.98768834059514, -0.99026806874157, -0.99254615164132, -0.99452189536827, -0.99619469809175, -0.99756405025982, -0.99862953475457, -0.99939082701910, -0.99984769515639, -1.00000000000000, -0.99984769515639, -0.99939082701910, -0.99862953475457, -0.99756405025982, -0.99619469809175, -0.99452189536827, -0.99254615164132, -0.99026806874157, -0.98768834059514, -0.98480775301221, -0.98162718344766, -0.97814760073381, -0.97437006478524, -0.97029572627600, -0.96592582628907, -0.96126169593832, -0.95630475596304, -0.95105651629515, -0.94551857559932, -0.93969262078591, -0.93358042649720, -0.92718385456679, -0.92050485345244, -0.91354545764260, -0.90630778703665, -0.89879404629917, -0.89100652418837, -0.88294759285893, -0.87461970713940, -0.86602540378444, -0.85716730070211, -0.84804809615643, -0.83867056794542, -0.82903757255504, -0.81915204428899, -0.80901699437495, -0.79863551004729, -0.78801075360672, -0.77714596145697, -0.76604444311898, -0.75470958022277, -0.74314482547739, -0.73135370161917, -0.71933980033865, -0.70710678118655, -0.69465837045900, -0.68199836006250, -0.66913060635886, -0.65605902899051, -0.64278760968654, -0.62932039104984, -0.61566147532566, -0.60181502315205, -0.58778525229247, -0.57357643635105, -0.55919290347075, -0.54463903501503, -0.52991926423321, -0.51503807491005, -0.50000000000000, -0.48480962024634, -0.46947156278589, -0.45399049973955, -0.43837114678908, -0.42261826174070, -0.40673664307580, -0.39073112848927, -0.37460659341591, -0.35836794954530, -0.34202014332567, -0.32556815445716, -0.30901699437495, -0.29237170472274, -0.27563735581700, -0.25881904510252, -0.24192189559967, -0.22495105434387, -0.20791169081776, -0.19080899537654, -0.17364817766693, -0.15643446504023, -0.13917310096007, -0.12186934340515, -0.10452846326765, -0.08715574274766, -0.06975647374413, -0.05233595624294, -0.03489949670250, -0.01745240643728, 0, 0 }; VAL [T={4:0}] [L148] double a, aa, r; [L150] a = -360 VAL [T={4:0}] [L150] COND TRUE a <= 360 [L151] aa = __VERIFIER_nondet_double() [L152] CALL assume_abort_if_not(aa >= a / 2. && aa <= (a+1.) / 2.) [L15] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, T={4:0}] [L152] RET assume_abort_if_not(aa >= a / 2. && aa <= (a+1.) / 2.) [L154] CALL SIN(aa) VAL [\old(x)=2898, T={4:0}] [L142] COND FALSE !(x<0) VAL [\old(x)=2898, T={4:0}, x=2898] [L143] CALL SIN_POS(x) VAL [\old(x)=2898, T={4:0}] [L136] COND TRUE x>180 VAL [\old(x)=2898, T={4:0}, x=2898] [L136] CALL SIN_180(x-360.*(int)((x+180.)/360.)) VAL [T={4:0}] [L130] COND TRUE x<0 VAL [\old(x)=2899, T={4:0}, x=2899] [L130] CALL SIN_0_180(-x) VAL [T={4:0}] [L117] double dx, i_dx, v_inf; [L118] double v_sup; [L119] int i; [L120] dx = 2*x [L121] i = dx [L122] i_dx = i VAL [\old(x)=2897, T={4:0}, x=2897] [L123] T[i] - UnprovableResult [Line: 17]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 146]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 53 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 48 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 46 mSDsluCounter, 201 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 36 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 165 mSDtfsCounter, 12 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=53occurred in iteration=0, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 222 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-10-16 01:15:54,499 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...