./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ntdrivers/cdaudio.i.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3a877d22 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ntdrivers/cdaudio.i.cil-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 158aa30053f80b6c80bcbeac6f52ce0f8b5c03af85b763fe7e9897c790504a73 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 08:57:40,846 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 08:57:40,848 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 08:57:40,896 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 08:57:40,897 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 08:57:40,900 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 08:57:40,901 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 08:57:40,903 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 08:57:40,905 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 08:57:40,908 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 08:57:40,908 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 08:57:40,910 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 08:57:40,910 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 08:57:40,912 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 08:57:40,913 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 08:57:40,918 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 08:57:40,919 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 08:57:40,920 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 08:57:40,922 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 08:57:40,925 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 08:57:40,926 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 08:57:40,927 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 08:57:40,928 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 08:57:40,929 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 08:57:40,934 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 08:57:40,935 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 08:57:40,935 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 08:57:40,936 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 08:57:40,936 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 08:57:40,937 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 08:57:40,937 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 08:57:40,938 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 08:57:40,939 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 08:57:40,940 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 08:57:40,941 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 08:57:40,941 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 08:57:40,942 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 08:57:40,942 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 08:57:40,942 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 08:57:40,942 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 08:57:40,943 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 08:57:40,944 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-15 08:57:40,967 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 08:57:40,968 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 08:57:40,968 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 08:57:40,968 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 08:57:40,969 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 08:57:40,970 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 08:57:40,970 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 08:57:40,970 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 08:57:40,970 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 08:57:40,971 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 08:57:40,971 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 08:57:40,972 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 08:57:40,972 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 08:57:40,972 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 08:57:40,972 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 08:57:40,972 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 08:57:40,972 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 08:57:40,973 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 08:57:40,973 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 08:57:40,973 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 08:57:40,973 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 08:57:40,973 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 08:57:40,973 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 08:57:40,974 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 08:57:40,974 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 08:57:40,974 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 08:57:40,974 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 08:57:40,975 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 08:57:40,975 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 08:57:40,976 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 08:57:40,976 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 08:57:40,976 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 08:57:40,976 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 08:57:40,976 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 08:57:40,976 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 158aa30053f80b6c80bcbeac6f52ce0f8b5c03af85b763fe7e9897c790504a73 [2021-12-15 08:57:41,167 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 08:57:41,182 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 08:57:41,197 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 08:57:41,198 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 08:57:41,199 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 08:57:41,200 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers/cdaudio.i.cil-2.c [2021-12-15 08:57:41,248 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9354407d/c0640191ed954e34ace6a321876e927b/FLAG82e8a68e8 [2021-12-15 08:57:41,804 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 08:57:41,805 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers/cdaudio.i.cil-2.c [2021-12-15 08:57:41,838 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9354407d/c0640191ed954e34ace6a321876e927b/FLAG82e8a68e8 [2021-12-15 08:57:42,276 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9354407d/c0640191ed954e34ace6a321876e927b [2021-12-15 08:57:42,278 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 08:57:42,279 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 08:57:42,282 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 08:57:42,282 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 08:57:42,284 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 08:57:42,285 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 08:57:42" (1/1) ... [2021-12-15 08:57:42,285 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23017bcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:57:42, skipping insertion in model container [2021-12-15 08:57:42,286 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 08:57:42" (1/1) ... [2021-12-15 08:57:42,291 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 08:57:42,376 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 08:57:42,779 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/ntdrivers/cdaudio.i.cil-2.c[90200,90213] [2021-12-15 08:57:43,228 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 08:57:43,235 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 08:57:43,288 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/ntdrivers/cdaudio.i.cil-2.c[90200,90213] [2021-12-15 08:57:43,535 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 08:57:43,569 INFO L208 MainTranslator]: Completed translation [2021-12-15 08:57:43,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:57:43 WrapperNode [2021-12-15 08:57:43,570 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 08:57:43,571 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 08:57:43,572 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 08:57:43,572 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 08:57:43,599 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:57:43" (1/1) ... [2021-12-15 08:57:43,661 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:57:43" (1/1) ... [2021-12-15 08:57:43,746 INFO L137 Inliner]: procedures = 121, calls = 2189, calls flagged for inlining = 23, calls inlined = 19, statements flattened = 2294 [2021-12-15 08:57:43,748 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 08:57:43,749 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 08:57:43,749 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 08:57:43,749 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 08:57:43,755 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:57:43" (1/1) ... [2021-12-15 08:57:43,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:57:43" (1/1) ... [2021-12-15 08:57:43,791 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:57:43" (1/1) ... [2021-12-15 08:57:43,791 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:57:43" (1/1) ... [2021-12-15 08:57:43,860 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:57:43" (1/1) ... [2021-12-15 08:57:43,878 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:57:43" (1/1) ... [2021-12-15 08:57:43,887 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:57:43" (1/1) ... [2021-12-15 08:57:43,898 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 08:57:43,899 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 08:57:43,899 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 08:57:43,899 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 08:57:43,900 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:57:43" (1/1) ... [2021-12-15 08:57:43,904 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 08:57:43,912 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 08:57:43,923 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) [2021-12-15 08:57:43,929 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 [2021-12-15 08:57:43,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-15 08:57:43,962 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-15 08:57:43,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 08:57:43,962 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 08:57:43,962 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2021-12-15 08:57:43,963 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2021-12-15 08:57:43,963 INFO L130 BoogieDeclarations]: Found specification of procedure MmLockPagableDataSection [2021-12-15 08:57:43,965 INFO L138 BoogieDeclarations]: Found implementation of procedure MmLockPagableDataSection [2021-12-15 08:57:43,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 08:57:43,965 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioIsPlayActive [2021-12-15 08:57:43,965 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioIsPlayActive [2021-12-15 08:57:43,965 INFO L130 BoogieDeclarations]: Found specification of procedure IoOpenDeviceRegistryKey [2021-12-15 08:57:43,965 INFO L138 BoogieDeclarations]: Found implementation of procedure IoOpenDeviceRegistryKey [2021-12-15 08:57:43,965 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2021-12-15 08:57:43,965 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2021-12-15 08:57:43,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-15 08:57:43,965 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-15 08:57:43,965 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_malloc [2021-12-15 08:57:43,965 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_malloc [2021-12-15 08:57:43,966 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2021-12-15 08:57:43,966 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2021-12-15 08:57:43,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 08:57:43,966 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2021-12-15 08:57:43,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2021-12-15 08:57:43,966 INFO L130 BoogieDeclarations]: Found specification of procedure SendSrbSynchronous [2021-12-15 08:57:43,966 INFO L138 BoogieDeclarations]: Found implementation of procedure SendSrbSynchronous [2021-12-15 08:57:43,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 08:57:43,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 08:57:43,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 08:57:43,967 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2021-12-15 08:57:43,967 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2021-12-15 08:57:43,967 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-15 08:57:43,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 08:57:43,967 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2021-12-15 08:57:43,967 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2021-12-15 08:57:43,967 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioSignalCompletion [2021-12-15 08:57:43,968 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioSignalCompletion [2021-12-15 08:57:43,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 08:57:43,968 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2021-12-15 08:57:43,968 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2021-12-15 08:57:43,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2021-12-15 08:57:43,968 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2021-12-15 08:57:43,968 INFO L130 BoogieDeclarations]: Found specification of procedure HPCdrCompletion [2021-12-15 08:57:43,968 INFO L138 BoogieDeclarations]: Found implementation of procedure HPCdrCompletion [2021-12-15 08:57:43,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 08:57:43,969 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioSendToNextDriver [2021-12-15 08:57:43,969 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioSendToNextDriver [2021-12-15 08:57:43,969 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-15 08:57:43,969 INFO L130 BoogieDeclarations]: Found specification of procedure ExAllocatePoolWithTag [2021-12-15 08:57:43,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ExAllocatePoolWithTag [2021-12-15 08:57:43,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 08:57:43,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 08:57:43,969 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioForwardIrpSynchronous [2021-12-15 08:57:43,970 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioForwardIrpSynchronous [2021-12-15 08:57:44,342 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 08:57:44,344 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 08:57:44,499 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:57:44,517 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2021-12-15 08:57:44,517 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2021-12-15 08:57:44,881 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:57:44,900 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2021-12-15 08:57:44,900 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2021-12-15 08:57:44,915 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:57:44,915 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:57:44,916 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:57:44,932 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:57:44,938 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:57:44,943 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:57:55,293 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##258: assume false; [2021-12-15 08:57:55,293 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##259: assume !false; [2021-12-15 08:57:55,293 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##485: assume false; [2021-12-15 08:57:55,293 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##486: assume !false; [2021-12-15 08:57:55,293 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3709: CdAudioPnp_#res#1 := 0; [2021-12-15 08:57:55,293 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##47: assume !false; [2021-12-15 08:57:55,293 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##46: assume false; [2021-12-15 08:57:55,293 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume !false; [2021-12-15 08:57:55,293 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##24: assume false; [2021-12-15 08:57:55,294 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume !false; [2021-12-15 08:57:55,294 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##154: assume !false; [2021-12-15 08:57:55,294 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##153: assume false; [2021-12-15 08:57:55,294 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume false; [2021-12-15 08:57:55,319 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:57:55,322 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2021-12-15 08:57:55,323 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2021-12-15 08:57:55,336 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 08:57:55,353 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 08:57:55,353 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-12-15 08:57:55,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 08:57:55 BoogieIcfgContainer [2021-12-15 08:57:55,355 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 08:57:55,356 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 08:57:55,357 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 08:57:55,360 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 08:57:55,360 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 08:57:42" (1/3) ... [2021-12-15 08:57:55,361 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ed29c0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 08:57:55, skipping insertion in model container [2021-12-15 08:57:55,361 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:57:43" (2/3) ... [2021-12-15 08:57:55,361 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ed29c0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 08:57:55, skipping insertion in model container [2021-12-15 08:57:55,361 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 08:57:55" (3/3) ... [2021-12-15 08:57:55,363 INFO L111 eAbstractionObserver]: Analyzing ICFG cdaudio.i.cil-2.c [2021-12-15 08:57:55,366 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 08:57:55,366 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 08:57:55,402 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 08:57:55,407 INFO L339 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=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-15 08:57:55,407 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 08:57:55,427 INFO L276 IsEmpty]: Start isEmpty. Operand has 609 states, 475 states have (on average 1.5178947368421052) internal successors, (721), 494 states have internal predecessors, (721), 113 states have call successors, (113), 19 states have call predecessors, (113), 19 states have return successors, (113), 108 states have call predecessors, (113), 113 states have call successors, (113) [2021-12-15 08:57:55,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-12-15 08:57:55,431 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 08:57:55,431 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 08:57:55,431 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 08:57:55,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 08:57:55,435 INFO L85 PathProgramCache]: Analyzing trace with hash -969455066, now seen corresponding path program 1 times [2021-12-15 08:57:55,441 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 08:57:55,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837916285] [2021-12-15 08:57:55,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 08:57:55,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 08:57:55,541 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 08:57:55,541 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:89) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 08:57:55,548 INFO L158 Benchmark]: Toolchain (without parser) took 13267.90ms. Allocated memory was 117.4MB in the beginning and 310.4MB in the end (delta: 192.9MB). Free memory was 72.4MB in the beginning and 122.8MB in the end (delta: -50.5MB). Peak memory consumption was 142.4MB. Max. memory is 16.1GB. [2021-12-15 08:57:55,549 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 117.4MB. Free memory was 89.8MB in the beginning and 89.7MB in the end (delta: 24.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 08:57:55,550 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1288.66ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 72.3MB in the beginning and 132.6MB in the end (delta: -60.4MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB. [2021-12-15 08:57:55,551 INFO L158 Benchmark]: Boogie Procedure Inliner took 177.29ms. Allocated memory is still 201.3MB. Free memory was 132.6MB in the beginning and 115.7MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-15 08:57:55,551 INFO L158 Benchmark]: Boogie Preprocessor took 149.54ms. Allocated memory is still 201.3MB. Free memory was 115.7MB in the beginning and 98.0MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-15 08:57:55,552 INFO L158 Benchmark]: RCFGBuilder took 11456.36ms. Allocated memory was 201.3MB in the beginning and 310.4MB in the end (delta: 109.1MB). Free memory was 98.0MB in the beginning and 139.6MB in the end (delta: -41.6MB). Peak memory consumption was 71.9MB. Max. memory is 16.1GB. [2021-12-15 08:57:55,552 INFO L158 Benchmark]: TraceAbstraction took 190.36ms. Allocated memory is still 310.4MB. Free memory was 138.6MB in the beginning and 122.8MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-15 08:57:55,555 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 117.4MB. Free memory was 89.8MB in the beginning and 89.7MB in the end (delta: 24.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1288.66ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 72.3MB in the beginning and 132.6MB in the end (delta: -60.4MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 177.29ms. Allocated memory is still 201.3MB. Free memory was 132.6MB in the beginning and 115.7MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 149.54ms. Allocated memory is still 201.3MB. Free memory was 115.7MB in the beginning and 98.0MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * RCFGBuilder took 11456.36ms. Allocated memory was 201.3MB in the beginning and 310.4MB in the end (delta: 109.1MB). Free memory was 98.0MB in the beginning and 139.6MB in the end (delta: -41.6MB). Peak memory consumption was 71.9MB. Max. memory is 16.1GB. * TraceAbstraction took 190.36ms. Allocated memory is still 310.4MB. Free memory was 138.6MB in the beginning and 122.8MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 08:57:55,574 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ntdrivers/cdaudio.i.cil-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 158aa30053f80b6c80bcbeac6f52ce0f8b5c03af85b763fe7e9897c790504a73 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 08:57:57,170 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 08:57:57,172 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 08:57:57,192 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 08:57:57,192 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 08:57:57,193 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 08:57:57,194 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 08:57:57,195 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 08:57:57,196 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 08:57:57,197 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 08:57:57,198 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 08:57:57,198 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 08:57:57,199 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 08:57:57,199 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 08:57:57,201 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 08:57:57,202 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 08:57:57,204 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 08:57:57,206 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 08:57:57,207 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 08:57:57,211 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 08:57:57,212 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 08:57:57,213 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 08:57:57,213 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 08:57:57,214 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 08:57:57,216 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 08:57:57,216 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 08:57:57,216 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 08:57:57,217 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 08:57:57,217 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 08:57:57,218 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 08:57:57,218 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 08:57:57,218 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 08:57:57,219 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 08:57:57,220 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 08:57:57,223 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 08:57:57,224 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 08:57:57,225 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 08:57:57,225 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 08:57:57,225 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 08:57:57,226 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 08:57:57,227 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 08:57:57,227 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-15 08:57:57,247 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 08:57:57,247 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 08:57:57,248 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 08:57:57,248 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 08:57:57,248 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 08:57:57,248 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 08:57:57,249 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 08:57:57,249 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 08:57:57,249 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 08:57:57,249 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 08:57:57,249 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 08:57:57,250 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 08:57:57,250 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 08:57:57,250 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 08:57:57,250 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 08:57:57,250 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 08:57:57,250 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 08:57:57,250 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 08:57:57,251 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 08:57:57,251 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 08:57:57,251 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 08:57:57,251 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 08:57:57,251 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 08:57:57,251 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 08:57:57,251 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 08:57:57,263 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 08:57:57,263 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 08:57:57,264 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 08:57:57,264 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 08:57:57,264 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 08:57:57,264 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 08:57:57,265 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 08:57:57,265 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 08:57:57,265 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 08:57:57,265 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 08:57:57,265 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 08:57:57,266 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 08:57:57,266 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 158aa30053f80b6c80bcbeac6f52ce0f8b5c03af85b763fe7e9897c790504a73 [2021-12-15 08:57:57,521 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 08:57:57,538 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 08:57:57,553 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 08:57:57,554 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 08:57:57,554 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 08:57:57,556 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers/cdaudio.i.cil-2.c [2021-12-15 08:57:57,600 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c98bb74da/7a80cc9fe311469dad2b1121e54e7838/FLAG5c136caf2 [2021-12-15 08:57:58,220 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 08:57:58,221 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers/cdaudio.i.cil-2.c [2021-12-15 08:57:58,261 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c98bb74da/7a80cc9fe311469dad2b1121e54e7838/FLAG5c136caf2 [2021-12-15 08:57:58,398 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c98bb74da/7a80cc9fe311469dad2b1121e54e7838 [2021-12-15 08:57:58,400 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 08:57:58,403 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 08:57:58,403 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 08:57:58,404 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 08:57:58,406 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 08:57:58,406 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 08:57:58" (1/1) ... [2021-12-15 08:57:58,407 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@612ee08d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:57:58, skipping insertion in model container [2021-12-15 08:57:58,407 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 08:57:58" (1/1) ... [2021-12-15 08:57:58,411 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 08:57:58,503 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 08:57:58,962 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/ntdrivers/cdaudio.i.cil-2.c[90200,90213] [2021-12-15 08:57:59,522 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 08:57:59,531 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 08:57:59,570 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 08:57:59,614 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/ntdrivers/cdaudio.i.cil-2.c[90200,90213] [2021-12-15 08:57:59,856 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 08:57:59,860 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 08:57:59,898 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/ntdrivers/cdaudio.i.cil-2.c[90200,90213] [2021-12-15 08:58:00,138 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 08:58:00,163 INFO L208 MainTranslator]: Completed translation [2021-12-15 08:58:00,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:58:00 WrapperNode [2021-12-15 08:58:00,164 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 08:58:00,165 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 08:58:00,165 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 08:58:00,165 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 08:58:00,169 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:58:00" (1/1) ... [2021-12-15 08:58:00,237 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:58:00" (1/1) ... [2021-12-15 08:58:00,309 INFO L137 Inliner]: procedures = 133, calls = 2189, calls flagged for inlining = 23, calls inlined = 19, statements flattened = 2226 [2021-12-15 08:58:00,312 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 08:58:00,313 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 08:58:00,313 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 08:58:00,313 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 08:58:00,319 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:58:00" (1/1) ... [2021-12-15 08:58:00,319 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:58:00" (1/1) ... [2021-12-15 08:58:00,344 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:58:00" (1/1) ... [2021-12-15 08:58:00,345 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:58:00" (1/1) ... [2021-12-15 08:58:00,388 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:58:00" (1/1) ... [2021-12-15 08:58:00,398 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:58:00" (1/1) ... [2021-12-15 08:58:00,407 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:58:00" (1/1) ... [2021-12-15 08:58:00,420 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 08:58:00,428 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 08:58:00,428 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 08:58:00,428 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 08:58:00,429 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:58:00" (1/1) ... [2021-12-15 08:58:00,434 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 08:58:00,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 08:58:00,450 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) [2021-12-15 08:58:00,490 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 [2021-12-15 08:58:00,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-15 08:58:00,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 08:58:00,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-15 08:58:00,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 08:58:00,500 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2021-12-15 08:58:00,500 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2021-12-15 08:58:00,500 INFO L130 BoogieDeclarations]: Found specification of procedure MmLockPagableDataSection [2021-12-15 08:58:00,500 INFO L138 BoogieDeclarations]: Found implementation of procedure MmLockPagableDataSection [2021-12-15 08:58:00,500 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioIsPlayActive [2021-12-15 08:58:00,500 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioIsPlayActive [2021-12-15 08:58:00,500 INFO L130 BoogieDeclarations]: Found specification of procedure IoOpenDeviceRegistryKey [2021-12-15 08:58:00,500 INFO L138 BoogieDeclarations]: Found implementation of procedure IoOpenDeviceRegistryKey [2021-12-15 08:58:00,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-12-15 08:58:00,501 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2021-12-15 08:58:00,501 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2021-12-15 08:58:00,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-12-15 08:58:00,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-12-15 08:58:00,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-12-15 08:58:00,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-15 08:58:00,501 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-15 08:58:00,501 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_malloc [2021-12-15 08:58:00,502 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_malloc [2021-12-15 08:58:00,502 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2021-12-15 08:58:00,502 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2021-12-15 08:58:00,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 08:58:00,502 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2021-12-15 08:58:00,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2021-12-15 08:58:00,502 INFO L130 BoogieDeclarations]: Found specification of procedure SendSrbSynchronous [2021-12-15 08:58:00,502 INFO L138 BoogieDeclarations]: Found implementation of procedure SendSrbSynchronous [2021-12-15 08:58:00,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 08:58:00,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 08:58:00,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 08:58:00,502 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2021-12-15 08:58:00,503 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2021-12-15 08:58:00,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-12-15 08:58:00,503 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-15 08:58:00,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-12-15 08:58:00,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-12-15 08:58:00,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 08:58:00,504 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2021-12-15 08:58:00,504 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2021-12-15 08:58:00,504 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioSignalCompletion [2021-12-15 08:58:00,504 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioSignalCompletion [2021-12-15 08:58:00,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-15 08:58:00,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-12-15 08:58:00,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 08:58:00,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 08:58:00,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 08:58:00,506 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2021-12-15 08:58:00,506 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2021-12-15 08:58:00,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2021-12-15 08:58:00,506 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2021-12-15 08:58:00,507 INFO L130 BoogieDeclarations]: Found specification of procedure HPCdrCompletion [2021-12-15 08:58:00,507 INFO L138 BoogieDeclarations]: Found implementation of procedure HPCdrCompletion [2021-12-15 08:58:00,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-12-15 08:58:00,507 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioSendToNextDriver [2021-12-15 08:58:00,507 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioSendToNextDriver [2021-12-15 08:58:00,507 INFO L130 BoogieDeclarations]: Found specification of procedure ExAllocatePoolWithTag [2021-12-15 08:58:00,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ExAllocatePoolWithTag [2021-12-15 08:58:00,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 08:58:00,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 08:58:00,508 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioForwardIrpSynchronous [2021-12-15 08:58:00,508 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioForwardIrpSynchronous [2021-12-15 08:58:00,874 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 08:58:00,875 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 08:58:01,913 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:58:01,927 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2021-12-15 08:58:01,928 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2021-12-15 08:58:06,128 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:58:06,185 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2021-12-15 08:58:06,185 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2021-12-15 08:58:06,224 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:58:06,225 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:58:06,226 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:58:06,240 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:58:06,248 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:58:06,263 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:58:47,665 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##258: assume false; [2021-12-15 08:58:47,665 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##259: assume !false; [2021-12-15 08:58:47,665 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##485: assume false; [2021-12-15 08:58:47,665 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##486: assume !false; [2021-12-15 08:58:47,665 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3709: CdAudioPnp_#res#1 := 0bv32; [2021-12-15 08:58:47,665 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##47: assume !false; [2021-12-15 08:58:47,665 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##46: assume false; [2021-12-15 08:58:47,666 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume !false; [2021-12-15 08:58:47,666 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##24: assume false; [2021-12-15 08:58:47,666 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume !false; [2021-12-15 08:58:47,666 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##154: assume !false; [2021-12-15 08:58:47,666 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##153: assume false; [2021-12-15 08:58:47,666 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume false; [2021-12-15 08:58:47,820 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:58:47,842 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2021-12-15 08:58:47,843 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2021-12-15 08:58:47,851 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 08:58:47,859 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 08:58:47,859 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-12-15 08:58:47,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 08:58:47 BoogieIcfgContainer [2021-12-15 08:58:47,861 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 08:58:47,862 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 08:58:47,862 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 08:58:47,864 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 08:58:47,864 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 08:57:58" (1/3) ... [2021-12-15 08:58:47,864 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23f99327 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 08:58:47, skipping insertion in model container [2021-12-15 08:58:47,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:58:00" (2/3) ... [2021-12-15 08:58:47,865 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23f99327 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 08:58:47, skipping insertion in model container [2021-12-15 08:58:47,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 08:58:47" (3/3) ... [2021-12-15 08:58:47,866 INFO L111 eAbstractionObserver]: Analyzing ICFG cdaudio.i.cil-2.c [2021-12-15 08:58:47,869 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 08:58:47,869 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 08:58:47,900 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 08:58:47,904 INFO L339 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=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-15 08:58:47,905 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 08:58:47,922 INFO L276 IsEmpty]: Start isEmpty. Operand has 609 states, 475 states have (on average 1.5178947368421052) internal successors, (721), 494 states have internal predecessors, (721), 113 states have call successors, (113), 19 states have call predecessors, (113), 19 states have return successors, (113), 108 states have call predecessors, (113), 113 states have call successors, (113) [2021-12-15 08:58:47,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-12-15 08:58:47,925 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 08:58:47,926 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 08:58:47,926 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 08:58:47,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 08:58:47,929 INFO L85 PathProgramCache]: Analyzing trace with hash -969455066, now seen corresponding path program 1 times [2021-12-15 08:58:47,938 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 08:58:47,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [637725630] [2021-12-15 08:58:47,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 08:58:47,942 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 08:58:47,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 08:58:47,961 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-15 08:58:47,962 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-15 08:58:48,157 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-12-15 08:58:48,357 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-15 08:58:48,357 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 08:58:48,361 INFO L158 Benchmark]: Toolchain (without parser) took 49957.85ms. Allocated memory was 58.7MB in the beginning and 310.4MB in the end (delta: 251.7MB). Free memory was 29.1MB in the beginning and 217.8MB in the end (delta: -188.7MB). Peak memory consumption was 184.5MB. Max. memory is 16.1GB. [2021-12-15 08:58:48,362 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 58.7MB. Free memory was 41.0MB in the beginning and 40.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 08:58:48,362 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1760.49ms. Allocated memory was 58.7MB in the beginning and 155.2MB in the end (delta: 96.5MB). Free memory was 28.8MB in the beginning and 84.8MB in the end (delta: -56.0MB). Peak memory consumption was 80.3MB. Max. memory is 16.1GB. [2021-12-15 08:58:48,362 INFO L158 Benchmark]: Boogie Procedure Inliner took 147.81ms. Allocated memory is still 155.2MB. Free memory was 84.8MB in the beginning and 70.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-15 08:58:48,363 INFO L158 Benchmark]: Boogie Preprocessor took 113.74ms. Allocated memory is still 155.2MB. Free memory was 70.1MB in the beginning and 51.1MB in the end (delta: 19.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-12-15 08:58:48,363 INFO L158 Benchmark]: RCFGBuilder took 47433.28ms. Allocated memory was 155.2MB in the beginning and 310.4MB in the end (delta: 155.2MB). Free memory was 51.1MB in the beginning and 110.3MB in the end (delta: -59.3MB). Peak memory consumption was 99.9MB. Max. memory is 16.1GB. [2021-12-15 08:58:48,363 INFO L158 Benchmark]: TraceAbstraction took 498.22ms. Allocated memory is still 310.4MB. Free memory was 110.3MB in the beginning and 217.8MB in the end (delta: -107.5MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2021-12-15 08:58:48,365 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 58.7MB. Free memory was 41.0MB in the beginning and 40.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1760.49ms. Allocated memory was 58.7MB in the beginning and 155.2MB in the end (delta: 96.5MB). Free memory was 28.8MB in the beginning and 84.8MB in the end (delta: -56.0MB). Peak memory consumption was 80.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 147.81ms. Allocated memory is still 155.2MB. Free memory was 84.8MB in the beginning and 70.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 113.74ms. Allocated memory is still 155.2MB. Free memory was 70.1MB in the beginning and 51.1MB in the end (delta: 19.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * RCFGBuilder took 47433.28ms. Allocated memory was 155.2MB in the beginning and 310.4MB in the end (delta: 155.2MB). Free memory was 51.1MB in the beginning and 110.3MB in the end (delta: -59.3MB). Peak memory consumption was 99.9MB. Max. memory is 16.1GB. * TraceAbstraction took 498.22ms. Allocated memory is still 310.4MB. Free memory was 110.3MB in the beginning and 217.8MB in the end (delta: -107.5MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 08:58:48,421 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable