/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/bitvector-regression/integerpromotion-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 16:33:06,914 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 16:33:06,917 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 16:33:06,954 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 16:33:06,954 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 16:33:06,956 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 16:33:06,958 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 16:33:06,960 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 16:33:06,962 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 16:33:06,963 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 16:33:06,964 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 16:33:06,966 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 16:33:06,966 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 16:33:06,967 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 16:33:06,969 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 16:33:06,970 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 16:33:06,983 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 16:33:06,985 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 16:33:06,987 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 16:33:06,989 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 16:33:06,991 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 16:33:06,992 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 16:33:06,994 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 16:33:06,995 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 16:33:07,000 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 16:33:07,000 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 16:33:07,000 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 16:33:07,001 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 16:33:07,002 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 16:33:07,003 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 16:33:07,003 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 16:33:07,004 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 16:33:07,005 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 16:33:07,006 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 16:33:07,007 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 16:33:07,008 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 16:33:07,009 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 16:33:07,009 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 16:33:07,009 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 16:33:07,010 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 16:33:07,011 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 16:33:07,013 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 16:33:07,043 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 16:33:07,043 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 16:33:07,043 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 16:33:07,044 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 16:33:07,044 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 16:33:07,045 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 16:33:07,045 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 16:33:07,046 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 16:33:07,046 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 16:33:07,046 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 16:33:07,046 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 16:33:07,047 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 16:33:07,047 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 16:33:07,047 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 16:33:07,047 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 16:33:07,047 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-15 16:33:07,048 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-15 16:33:07,048 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-15 16:33:07,048 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 16:33:07,048 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-15 16:33:07,048 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 16:33:07,049 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 16:33:07,049 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 16:33:07,049 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 16:33:07,049 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 16:33:07,049 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 16:33:07,050 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 16:33:07,050 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 16:33:07,050 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 16:33:07,050 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 16:33:07,051 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 16:33:07,412 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 16:33:07,441 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 16:33:07,444 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 16:33:07,446 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 16:33:07,447 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 16:33:07,449 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector-regression/integerpromotion-2.c [2022-10-15 16:33:07,533 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/980b5a937/b32051c916f647fd8c2aea4af77db8c8/FLAG02f7b05ee [2022-10-15 16:33:08,212 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 16:33:08,213 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector-regression/integerpromotion-2.c [2022-10-15 16:33:08,220 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/980b5a937/b32051c916f647fd8c2aea4af77db8c8/FLAG02f7b05ee [2022-10-15 16:33:08,593 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/980b5a937/b32051c916f647fd8c2aea4af77db8c8 [2022-10-15 16:33:08,598 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 16:33:08,603 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 16:33:08,607 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 16:33:08,608 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 16:33:08,612 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 16:33:08,613 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:33:08" (1/1) ... [2022-10-15 16:33:08,616 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e0325a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:33:08, skipping insertion in model container [2022-10-15 16:33:08,616 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:33:08" (1/1) ... [2022-10-15 16:33:08,624 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 16:33:08,641 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 16:33:08,799 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/bitvector-regression/integerpromotion-2.c[423,436] [2022-10-15 16:33:08,802 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 16:33:08,814 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 16:33:08,829 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/bitvector-regression/integerpromotion-2.c[423,436] [2022-10-15 16:33:08,830 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 16:33:08,846 INFO L208 MainTranslator]: Completed translation [2022-10-15 16:33:08,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:33:08 WrapperNode [2022-10-15 16:33:08,846 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 16:33:08,848 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 16:33:08,848 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 16:33:08,848 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 16:33:08,857 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:33:08" (1/1) ... [2022-10-15 16:33:08,864 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:33:08" (1/1) ... [2022-10-15 16:33:08,883 INFO L138 Inliner]: procedures = 11, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2022-10-15 16:33:08,883 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 16:33:08,884 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 16:33:08,884 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 16:33:08,884 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 16:33:08,894 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:33:08" (1/1) ... [2022-10-15 16:33:08,894 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:33:08" (1/1) ... [2022-10-15 16:33:08,895 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:33:08" (1/1) ... [2022-10-15 16:33:08,895 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:33:08" (1/1) ... [2022-10-15 16:33:08,899 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:33:08" (1/1) ... [2022-10-15 16:33:08,901 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:33:08" (1/1) ... [2022-10-15 16:33:08,902 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:33:08" (1/1) ... [2022-10-15 16:33:08,903 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:33:08" (1/1) ... [2022-10-15 16:33:08,904 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 16:33:08,905 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 16:33:08,905 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 16:33:08,905 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 16:33:08,906 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:33:08" (1/1) ... [2022-10-15 16:33:08,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 16:33:08,926 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 16:33:08,945 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 16:33:08,954 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 16:33:09,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 16:33:09,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 16:33:09,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 16:33:09,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 16:33:09,100 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 16:33:09,102 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 16:33:09,279 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 16:33:09,286 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 16:33:09,286 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 16:33:09,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:33:09 BoogieIcfgContainer [2022-10-15 16:33:09,289 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 16:33:09,294 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 16:33:09,294 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 16:33:09,298 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 16:33:09,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 04:33:08" (1/3) ... [2022-10-15 16:33:09,299 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6418940 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 04:33:09, skipping insertion in model container [2022-10-15 16:33:09,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:33:08" (2/3) ... [2022-10-15 16:33:09,301 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6418940 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 04:33:09, skipping insertion in model container [2022-10-15 16:33:09,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:33:09" (3/3) ... [2022-10-15 16:33:09,304 INFO L112 eAbstractionObserver]: Analyzing ICFG integerpromotion-2.c [2022-10-15 16:33:09,326 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 16:33:09,326 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-10-15 16:33:09,404 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 16:33:09,419 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;@4a98420, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 16:33:09,450 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-10-15 16:33:09,456 INFO L276 IsEmpty]: Start isEmpty. Operand has 9 states, 6 states have (on average 1.5) internal successors, (9), 8 states have internal predecessors, (9), 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 16:33:09,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-15 16:33:09,480 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 16:33:09,499 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-10-15 16:33:09,500 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 16:33:09,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 16:33:09,508 INFO L85 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2022-10-15 16:33:09,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 16:33:09,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671510400] [2022-10-15 16:33:09,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 16:33:09,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 16:33:09,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-15 16:33:09,661 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-15 16:33:09,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-15 16:33:09,719 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-15 16:33:09,721 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-10-15 16:33:09,723 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (1 of 2 remaining) [2022-10-15 16:33:09,726 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (0 of 2 remaining) [2022-10-15 16:33:09,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 16:33:09,734 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-10-15 16:33:09,741 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-15 16:33:09,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 04:33:09 BoogieIcfgContainer [2022-10-15 16:33:09,769 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-15 16:33:09,774 INFO L158 Benchmark]: Toolchain (without parser) took 1171.35ms. Allocated memory is still 151.0MB. Free memory was 126.0MB in the beginning and 125.3MB in the end (delta: 736.4kB). Peak memory consumption was 795.7kB. Max. memory is 8.0GB. [2022-10-15 16:33:09,775 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 151.0MB. Free memory is still 122.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-10-15 16:33:09,776 INFO L158 Benchmark]: CACSL2BoogieTranslator took 239.51ms. Allocated memory is still 151.0MB. Free memory was 125.8MB in the beginning and 116.6MB in the end (delta: 9.2MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-10-15 16:33:09,778 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.68ms. Allocated memory is still 151.0MB. Free memory was 116.4MB in the beginning and 115.1MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-10-15 16:33:09,779 INFO L158 Benchmark]: Boogie Preprocessor took 20.40ms. Allocated memory is still 151.0MB. Free memory was 115.1MB in the beginning and 114.1MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-10-15 16:33:09,785 INFO L158 Benchmark]: RCFGBuilder took 383.75ms. Allocated memory is still 151.0MB. Free memory was 114.1MB in the beginning and 105.5MB in the end (delta: 8.6MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-10-15 16:33:09,786 INFO L158 Benchmark]: TraceAbstraction took 475.19ms. Allocated memory is still 151.0MB. Free memory was 104.7MB in the beginning and 125.3MB in the end (delta: -20.5MB). There was no memory consumed. Max. memory is 8.0GB. [2022-10-15 16:33:09,797 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 151.0MB. Free memory is still 122.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 239.51ms. Allocated memory is still 151.0MB. Free memory was 125.8MB in the beginning and 116.6MB in the end (delta: 9.2MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 35.68ms. Allocated memory is still 151.0MB. Free memory was 116.4MB in the beginning and 115.1MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 20.40ms. Allocated memory is still 151.0MB. Free memory was 115.1MB in the beginning and 114.1MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 383.75ms. Allocated memory is still 151.0MB. Free memory was 114.1MB in the beginning and 105.5MB in the end (delta: 8.6MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 475.19ms. Allocated memory is still 151.0MB. Free memory was 104.7MB in the beginning and 125.3MB in the end (delta: -20.5MB). There was no memory consumed. 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: 14]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of bitwiseComplement at line 8, overapproximation of memtrack at line 14. Possible FailurePath: [L7] unsigned char port = 0x5a; [L8] unsigned char result_8 = ( ~port ) >> 4; VAL [port=90, result_8=0] [L9] COND TRUE result_8 != 0xfa VAL [port=90, result_8=0] [L14] reach_error() VAL [port=90, result_8=0] - UnprovableResult [Line: 5]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 [2022-10-15 16:33:09,868 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...