./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1.cil-1.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-simplified/cdaudio_simpl1.cil-1.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 bfc29f03d3be9b41eb07ac14f0f7eac45bf3a60a4a6601e3132f720b72534d53 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 08:56:40,472 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 08:56:40,474 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 08:56:40,493 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 08:56:40,494 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 08:56:40,494 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 08:56:40,495 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 08:56:40,497 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 08:56:40,498 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 08:56:40,498 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 08:56:40,499 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 08:56:40,511 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 08:56:40,511 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 08:56:40,512 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 08:56:40,513 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 08:56:40,514 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 08:56:40,518 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 08:56:40,519 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 08:56:40,520 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 08:56:40,521 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 08:56:40,524 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 08:56:40,527 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 08:56:40,528 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 08:56:40,533 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 08:56:40,536 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 08:56:40,539 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 08:56:40,539 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 08:56:40,540 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 08:56:40,540 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 08:56:40,541 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 08:56:40,542 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 08:56:40,543 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 08:56:40,543 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 08:56:40,544 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 08:56:40,544 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 08:56:40,544 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 08:56:40,545 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 08:56:40,545 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 08:56:40,545 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 08:56:40,545 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 08:56:40,546 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 08:56:40,550 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-15 08:56:40,566 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 08:56:40,568 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 08:56:40,568 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 08:56:40,568 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 08:56:40,569 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 08:56:40,569 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 08:56:40,569 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 08:56:40,569 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 08:56:40,570 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 08:56:40,570 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 08:56:40,570 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 08:56:40,570 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 08:56:40,570 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 08:56:40,571 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 08:56:40,571 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 08:56:40,571 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 08:56:40,572 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 08:56:40,572 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 08:56:40,572 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 08:56:40,572 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 08:56:40,572 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 08:56:40,572 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 08:56:40,572 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 08:56:40,573 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 08:56:40,573 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 08:56:40,573 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 08:56:40,573 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 08:56:40,573 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 08:56:40,574 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 08:56:40,574 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 08:56:40,574 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 08:56:40,574 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 08:56:40,575 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 08:56:40,575 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 08:56:40,575 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bfc29f03d3be9b41eb07ac14f0f7eac45bf3a60a4a6601e3132f720b72534d53 [2021-12-15 08:56:40,743 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 08:56:40,768 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 08:56:40,770 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 08:56:40,771 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 08:56:40,772 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 08:56:40,773 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1.cil-1.c [2021-12-15 08:56:40,824 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e513e4ee/c9a5570e4f764a44a2fd611b3d163c3e/FLAG6b1442abe [2021-12-15 08:56:41,301 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 08:56:41,302 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1.cil-1.c [2021-12-15 08:56:41,317 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e513e4ee/c9a5570e4f764a44a2fd611b3d163c3e/FLAG6b1442abe [2021-12-15 08:56:41,798 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e513e4ee/c9a5570e4f764a44a2fd611b3d163c3e [2021-12-15 08:56:41,799 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 08:56:41,800 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 08:56:41,801 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 08:56:41,801 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 08:56:41,806 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 08:56:41,806 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 08:56:41" (1/1) ... [2021-12-15 08:56:41,807 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c62f7cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:56:41, skipping insertion in model container [2021-12-15 08:56:41,808 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 08:56:41" (1/1) ... [2021-12-15 08:56:41,813 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 08:56:41,861 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 08:56:42,007 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-simplified/cdaudio_simpl1.cil-1.c[2074,2087] [2021-12-15 08:56:42,134 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 08:56:42,149 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 08:56:42,160 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-simplified/cdaudio_simpl1.cil-1.c[2074,2087] [2021-12-15 08:56:42,237 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 08:56:42,250 INFO L208 MainTranslator]: Completed translation [2021-12-15 08:56:42,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:56:42 WrapperNode [2021-12-15 08:56:42,250 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 08:56:42,251 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 08:56:42,251 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 08:56:42,251 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 08:56:42,256 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:56:42" (1/1) ... [2021-12-15 08:56:42,272 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:56:42" (1/1) ... [2021-12-15 08:56:42,318 INFO L137 Inliner]: procedures = 41, calls = 108, calls flagged for inlining = 16, calls inlined = 16, statements flattened = 1583 [2021-12-15 08:56:42,318 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 08:56:42,319 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 08:56:42,335 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 08:56:42,335 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 08:56:42,341 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:56:42" (1/1) ... [2021-12-15 08:56:42,343 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:56:42" (1/1) ... [2021-12-15 08:56:42,349 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:56:42" (1/1) ... [2021-12-15 08:56:42,349 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:56:42" (1/1) ... [2021-12-15 08:56:42,378 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:56:42" (1/1) ... [2021-12-15 08:56:42,386 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:56:42" (1/1) ... [2021-12-15 08:56:42,389 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:56:42" (1/1) ... [2021-12-15 08:56:42,395 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 08:56:42,396 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 08:56:42,396 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 08:56:42,396 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 08:56:42,397 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:56:42" (1/1) ... [2021-12-15 08:56:42,415 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 08:56:42,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 08:56:42,441 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 08:56:42,466 INFO L130 BoogieDeclarations]: Found specification of procedure SendSrbSynchronous [2021-12-15 08:56:42,466 INFO L138 BoogieDeclarations]: Found implementation of procedure SendSrbSynchronous [2021-12-15 08:56:42,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 08:56:42,467 INFO L130 BoogieDeclarations]: Found specification of procedure AG_SetStatusAndReturn [2021-12-15 08:56:42,467 INFO L138 BoogieDeclarations]: Found implementation of procedure AG_SetStatusAndReturn [2021-12-15 08:56:42,446 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 08:56:42,467 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2021-12-15 08:56:42,467 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2021-12-15 08:56:42,468 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioIsPlayActive [2021-12-15 08:56:42,468 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioIsPlayActive [2021-12-15 08:56:42,468 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2021-12-15 08:56:42,468 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2021-12-15 08:56:42,468 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2021-12-15 08:56:42,468 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2021-12-15 08:56:42,468 INFO L130 BoogieDeclarations]: Found specification of procedure HPCdrCompletion [2021-12-15 08:56:42,468 INFO L138 BoogieDeclarations]: Found implementation of procedure HPCdrCompletion [2021-12-15 08:56:42,469 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2021-12-15 08:56:42,469 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2021-12-15 08:56:42,469 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioSignalCompletion [2021-12-15 08:56:42,469 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioSignalCompletion [2021-12-15 08:56:42,469 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2021-12-15 08:56:42,469 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2021-12-15 08:56:42,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 08:56:42,470 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2021-12-15 08:56:42,470 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2021-12-15 08:56:42,471 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioSendToNextDriver [2021-12-15 08:56:42,471 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioSendToNextDriver [2021-12-15 08:56:42,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 08:56:42,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 08:56:42,471 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioForwardIrpSynchronous [2021-12-15 08:56:42,472 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioForwardIrpSynchronous [2021-12-15 08:56:42,651 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 08:56:42,652 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 08:56:42,738 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:56:42,775 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2021-12-15 08:56:42,775 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2021-12-15 08:56:42,827 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:56:42,836 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2021-12-15 08:56:42,836 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2021-12-15 08:56:42,840 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:56:42,841 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:56:42,844 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:56:42,851 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:56:42,857 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:56:42,864 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:56:42,866 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:56:43,253 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L305: CdAudioPnp_#res#1 := 0; [2021-12-15 08:56:43,254 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##258: assume !false; [2021-12-15 08:56:43,254 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##257: assume false; [2021-12-15 08:56:43,254 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##286: assume !false; [2021-12-15 08:56:43,254 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##285: assume false; [2021-12-15 08:56:43,254 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##47: assume !false; [2021-12-15 08:56:43,254 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##46: assume false; [2021-12-15 08:56:43,255 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##133: assume false; [2021-12-15 08:56:43,255 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##134: assume !false; [2021-12-15 08:56:43,255 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume !false; [2021-12-15 08:56:43,255 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##24: assume false; [2021-12-15 08:56:43,255 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume !false; [2021-12-15 08:56:43,256 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume false; [2021-12-15 08:56:43,256 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##331: assume false; [2021-12-15 08:56:43,256 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##332: assume !false; [2021-12-15 08:56:43,282 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 08:56:43,294 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 08:56:43,295 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-15 08:56:43,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 08:56:43 BoogieIcfgContainer [2021-12-15 08:56:43,298 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 08:56:43,299 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 08:56:43,299 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 08:56:43,301 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 08:56:43,301 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 08:56:41" (1/3) ... [2021-12-15 08:56:43,302 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@281ae5c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 08:56:43, skipping insertion in model container [2021-12-15 08:56:43,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:56:42" (2/3) ... [2021-12-15 08:56:43,302 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@281ae5c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 08:56:43, skipping insertion in model container [2021-12-15 08:56:43,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 08:56:43" (3/3) ... [2021-12-15 08:56:43,303 INFO L111 eAbstractionObserver]: Analyzing ICFG cdaudio_simpl1.cil-1.c [2021-12-15 08:56:43,307 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 08:56:43,307 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 08:56:43,350 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 08:56:43,355 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 08:56:43,356 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 08:56:43,387 INFO L276 IsEmpty]: Start isEmpty. Operand has 470 states, 368 states have (on average 1.5081521739130435) internal successors, (555), 387 states have internal predecessors, (555), 87 states have call successors, (87), 13 states have call predecessors, (87), 13 states have return successors, (87), 82 states have call predecessors, (87), 87 states have call successors, (87) [2021-12-15 08:56:43,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-12-15 08:56:43,391 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 08:56:43,392 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 08:56:43,392 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 08:56:43,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 08:56:43,396 INFO L85 PathProgramCache]: Analyzing trace with hash 1469618458, now seen corresponding path program 1 times [2021-12-15 08:56:43,401 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 08:56:43,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114168013] [2021-12-15 08:56:43,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 08:56:43,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 08:56:43,444 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 08:56:43,444 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 08:56:43,449 INFO L158 Benchmark]: Toolchain (without parser) took 1647.15ms. Allocated memory was 98.6MB in the beginning and 125.8MB in the end (delta: 27.3MB). Free memory was 67.0MB in the beginning and 64.0MB in the end (delta: 3.0MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. [2021-12-15 08:56:43,449 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 98.6MB. Free memory is still 55.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 08:56:43,450 INFO L158 Benchmark]: CACSL2BoogieTranslator took 449.54ms. Allocated memory is still 98.6MB. Free memory was 66.7MB in the beginning and 56.0MB in the end (delta: 10.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-15 08:56:43,451 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.88ms. Allocated memory is still 98.6MB. Free memory was 56.0MB in the beginning and 49.3MB in the end (delta: 6.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-15 08:56:43,452 INFO L158 Benchmark]: Boogie Preprocessor took 75.70ms. Allocated memory was 98.6MB in the beginning and 125.8MB in the end (delta: 27.3MB). Free memory was 49.3MB in the beginning and 95.9MB in the end (delta: -46.5MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. [2021-12-15 08:56:43,453 INFO L158 Benchmark]: RCFGBuilder took 901.96ms. Allocated memory is still 125.8MB. Free memory was 95.9MB in the beginning and 76.6MB in the end (delta: 19.3MB). Peak memory consumption was 57.1MB. Max. memory is 16.1GB. [2021-12-15 08:56:43,456 INFO L158 Benchmark]: TraceAbstraction took 148.16ms. Allocated memory is still 125.8MB. Free memory was 75.8MB in the beginning and 64.0MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-15 08:56:43,461 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 98.6MB. Free memory is still 55.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 449.54ms. Allocated memory is still 98.6MB. Free memory was 66.7MB in the beginning and 56.0MB in the end (delta: 10.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.88ms. Allocated memory is still 98.6MB. Free memory was 56.0MB in the beginning and 49.3MB in the end (delta: 6.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.70ms. Allocated memory was 98.6MB in the beginning and 125.8MB in the end (delta: 27.3MB). Free memory was 49.3MB in the beginning and 95.9MB in the end (delta: -46.5MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. * RCFGBuilder took 901.96ms. Allocated memory is still 125.8MB. Free memory was 95.9MB in the beginning and 76.6MB in the end (delta: 19.3MB). Peak memory consumption was 57.1MB. Max. memory is 16.1GB. * TraceAbstraction took 148.16ms. Allocated memory is still 125.8MB. Free memory was 75.8MB in the beginning and 64.0MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. 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 08:56:43,490 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-simplified/cdaudio_simpl1.cil-1.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 bfc29f03d3be9b41eb07ac14f0f7eac45bf3a60a4a6601e3132f720b72534d53 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 08:56:45,244 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 08:56:45,245 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 08:56:45,267 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 08:56:45,267 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 08:56:45,268 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 08:56:45,271 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 08:56:45,274 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 08:56:45,276 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 08:56:45,278 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 08:56:45,279 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 08:56:45,281 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 08:56:45,282 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 08:56:45,284 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 08:56:45,286 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 08:56:45,287 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 08:56:45,289 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 08:56:45,289 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 08:56:45,290 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 08:56:45,293 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 08:56:45,296 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 08:56:45,297 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 08:56:45,298 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 08:56:45,299 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 08:56:45,300 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 08:56:45,303 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 08:56:45,303 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 08:56:45,304 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 08:56:45,304 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 08:56:45,305 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 08:56:45,305 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 08:56:45,306 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 08:56:45,307 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 08:56:45,307 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 08:56:45,308 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 08:56:45,308 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 08:56:45,309 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 08:56:45,309 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 08:56:45,309 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 08:56:45,310 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 08:56:45,311 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 08:56:45,313 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-15 08:56:45,330 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 08:56:45,330 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 08:56:45,331 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 08:56:45,331 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 08:56:45,332 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 08:56:45,332 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 08:56:45,333 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 08:56:45,333 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 08:56:45,333 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 08:56:45,333 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 08:56:45,334 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 08:56:45,334 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 08:56:45,334 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 08:56:45,334 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 08:56:45,335 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 08:56:45,335 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 08:56:45,335 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 08:56:45,335 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 08:56:45,335 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 08:56:45,335 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 08:56:45,336 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 08:56:45,336 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 08:56:45,336 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 08:56:45,336 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 08:56:45,344 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 08:56:45,345 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 08:56:45,345 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 08:56:45,345 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 08:56:45,345 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 08:56:45,345 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 08:56:45,345 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 08:56:45,345 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 08:56:45,345 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 08:56:45,345 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 08:56:45,345 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 08:56:45,346 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 08:56:45,346 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 08:56:45,346 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bfc29f03d3be9b41eb07ac14f0f7eac45bf3a60a4a6601e3132f720b72534d53 [2021-12-15 08:56:45,609 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 08:56:45,627 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 08:56:45,630 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 08:56:45,631 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 08:56:45,631 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 08:56:45,633 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1.cil-1.c [2021-12-15 08:56:45,699 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e1d4ff9f/d877e2b3c1404d3291a71bcf5d7ee997/FLAGf4afe5f12 [2021-12-15 08:56:46,159 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 08:56:46,160 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1.cil-1.c [2021-12-15 08:56:46,185 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e1d4ff9f/d877e2b3c1404d3291a71bcf5d7ee997/FLAGf4afe5f12 [2021-12-15 08:56:46,496 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e1d4ff9f/d877e2b3c1404d3291a71bcf5d7ee997 [2021-12-15 08:56:46,498 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 08:56:46,499 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 08:56:46,503 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 08:56:46,503 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 08:56:46,506 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 08:56:46,508 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 08:56:46" (1/1) ... [2021-12-15 08:56:46,508 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64dd8436 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:56:46, skipping insertion in model container [2021-12-15 08:56:46,509 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 08:56:46" (1/1) ... [2021-12-15 08:56:46,514 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 08:56:46,559 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 08:56:46,674 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-simplified/cdaudio_simpl1.cil-1.c[2074,2087] [2021-12-15 08:56:46,831 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 08:56:46,840 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 08:56:46,850 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-simplified/cdaudio_simpl1.cil-1.c[2074,2087] [2021-12-15 08:56:46,929 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 08:56:46,951 INFO L208 MainTranslator]: Completed translation [2021-12-15 08:56:46,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:56:46 WrapperNode [2021-12-15 08:56:46,954 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 08:56:46,955 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 08:56:46,955 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 08:56:46,955 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 08:56:46,959 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:56:46" (1/1) ... [2021-12-15 08:56:46,976 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:56:46" (1/1) ... [2021-12-15 08:56:47,034 INFO L137 Inliner]: procedures = 41, calls = 108, calls flagged for inlining = 16, calls inlined = 16, statements flattened = 1444 [2021-12-15 08:56:47,044 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 08:56:47,045 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 08:56:47,045 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 08:56:47,045 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 08:56:47,050 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:56:46" (1/1) ... [2021-12-15 08:56:47,051 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:56:46" (1/1) ... [2021-12-15 08:56:47,060 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:56:46" (1/1) ... [2021-12-15 08:56:47,063 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:56:46" (1/1) ... [2021-12-15 08:56:47,076 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:56:46" (1/1) ... [2021-12-15 08:56:47,085 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:56:46" (1/1) ... [2021-12-15 08:56:47,089 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:56:46" (1/1) ... [2021-12-15 08:56:47,097 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 08:56:47,098 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 08:56:47,098 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 08:56:47,098 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 08:56:47,098 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:56:46" (1/1) ... [2021-12-15 08:56:47,106 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 08:56:47,114 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 08:56:47,164 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 08:56:47,184 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 08:56:47,194 INFO L130 BoogieDeclarations]: Found specification of procedure SendSrbSynchronous [2021-12-15 08:56:47,195 INFO L138 BoogieDeclarations]: Found implementation of procedure SendSrbSynchronous [2021-12-15 08:56:47,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 08:56:47,196 INFO L130 BoogieDeclarations]: Found specification of procedure AG_SetStatusAndReturn [2021-12-15 08:56:47,196 INFO L138 BoogieDeclarations]: Found implementation of procedure AG_SetStatusAndReturn [2021-12-15 08:56:47,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 08:56:47,196 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2021-12-15 08:56:47,197 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2021-12-15 08:56:47,197 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioIsPlayActive [2021-12-15 08:56:47,197 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioIsPlayActive [2021-12-15 08:56:47,197 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2021-12-15 08:56:47,197 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2021-12-15 08:56:47,197 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2021-12-15 08:56:47,197 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2021-12-15 08:56:47,197 INFO L130 BoogieDeclarations]: Found specification of procedure HPCdrCompletion [2021-12-15 08:56:47,198 INFO L138 BoogieDeclarations]: Found implementation of procedure HPCdrCompletion [2021-12-15 08:56:47,198 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2021-12-15 08:56:47,198 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2021-12-15 08:56:47,198 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioSignalCompletion [2021-12-15 08:56:47,198 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioSignalCompletion [2021-12-15 08:56:47,198 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2021-12-15 08:56:47,198 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2021-12-15 08:56:47,198 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2021-12-15 08:56:47,198 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2021-12-15 08:56:47,199 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioSendToNextDriver [2021-12-15 08:56:47,199 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioSendToNextDriver [2021-12-15 08:56:47,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 08:56:47,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 08:56:47,199 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioForwardIrpSynchronous [2021-12-15 08:56:47,199 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioForwardIrpSynchronous [2021-12-15 08:56:47,391 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 08:56:47,393 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 08:56:47,480 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:56:47,522 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2021-12-15 08:56:47,522 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2021-12-15 08:56:47,592 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:56:47,606 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2021-12-15 08:56:47,606 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2021-12-15 08:56:47,613 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:56:47,614 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:56:47,617 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:56:47,628 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:56:47,635 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:56:47,637 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:56:47,639 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:56:48,050 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L305: CdAudioPnp_#res#1 := 0bv32; [2021-12-15 08:56:48,051 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##258: assume !false; [2021-12-15 08:56:48,051 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##257: assume false; [2021-12-15 08:56:48,051 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##286: assume !false; [2021-12-15 08:56:48,051 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##285: assume false; [2021-12-15 08:56:48,051 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##47: assume !false; [2021-12-15 08:56:48,051 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##46: assume false; [2021-12-15 08:56:48,051 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##133: assume false; [2021-12-15 08:56:48,051 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##134: assume !false; [2021-12-15 08:56:48,051 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume !false; [2021-12-15 08:56:48,051 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##24: assume false; [2021-12-15 08:56:48,051 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume !false; [2021-12-15 08:56:48,051 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume false; [2021-12-15 08:56:48,051 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##331: assume false; [2021-12-15 08:56:48,051 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##332: assume !false; [2021-12-15 08:56:48,087 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 08:56:48,102 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 08:56:48,102 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-15 08:56:48,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 08:56:48 BoogieIcfgContainer [2021-12-15 08:56:48,104 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 08:56:48,106 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 08:56:48,106 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 08:56:48,108 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 08:56:48,108 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 08:56:46" (1/3) ... [2021-12-15 08:56:48,109 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@176aa9b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 08:56:48, skipping insertion in model container [2021-12-15 08:56:48,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:56:46" (2/3) ... [2021-12-15 08:56:48,109 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@176aa9b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 08:56:48, skipping insertion in model container [2021-12-15 08:56:48,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 08:56:48" (3/3) ... [2021-12-15 08:56:48,111 INFO L111 eAbstractionObserver]: Analyzing ICFG cdaudio_simpl1.cil-1.c [2021-12-15 08:56:48,114 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 08:56:48,114 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 08:56:48,156 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 08:56:48,162 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 08:56:48,162 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 08:56:48,187 INFO L276 IsEmpty]: Start isEmpty. Operand has 470 states, 368 states have (on average 1.5081521739130435) internal successors, (555), 387 states have internal predecessors, (555), 87 states have call successors, (87), 13 states have call predecessors, (87), 13 states have return successors, (87), 82 states have call predecessors, (87), 87 states have call successors, (87) [2021-12-15 08:56:48,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-12-15 08:56:48,190 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 08:56:48,191 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 08:56:48,191 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 08:56:48,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 08:56:48,196 INFO L85 PathProgramCache]: Analyzing trace with hash 1469618458, now seen corresponding path program 1 times [2021-12-15 08:56:48,204 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 08:56:48,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [22112670] [2021-12-15 08:56:48,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 08:56:48,205 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 08:56:48,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 08:56:48,208 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 08:56:48,211 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 08:56:48,339 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-15 08:56:48,540 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 08:56:48,540 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 08:56:48,544 INFO L158 Benchmark]: Toolchain (without parser) took 2043.93ms. Allocated memory was 54.5MB in the beginning and 88.1MB in the end (delta: 33.6MB). Free memory was 31.3MB in the beginning and 42.3MB in the end (delta: -11.1MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. [2021-12-15 08:56:48,544 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 54.5MB. Free memory was 36.8MB in the beginning and 36.7MB in the end (delta: 47.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 08:56:48,545 INFO L158 Benchmark]: CACSL2BoogieTranslator took 450.89ms. Allocated memory was 54.5MB in the beginning and 71.3MB in the end (delta: 16.8MB). Free memory was 31.1MB in the beginning and 39.1MB in the end (delta: -8.1MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2021-12-15 08:56:48,546 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.79ms. Allocated memory is still 71.3MB. Free memory was 39.1MB in the beginning and 50.4MB in the end (delta: -11.3MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2021-12-15 08:56:48,547 INFO L158 Benchmark]: Boogie Preprocessor took 52.52ms. Allocated memory is still 71.3MB. Free memory was 50.4MB in the beginning and 45.9MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 08:56:48,551 INFO L158 Benchmark]: RCFGBuilder took 1006.75ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 45.6MB in the beginning and 57.0MB in the end (delta: -11.4MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. [2021-12-15 08:56:48,552 INFO L158 Benchmark]: TraceAbstraction took 436.83ms. Allocated memory is still 88.1MB. Free memory was 56.6MB in the beginning and 42.3MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-15 08:56:48,554 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 54.5MB. Free memory was 36.8MB in the beginning and 36.7MB in the end (delta: 47.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 450.89ms. Allocated memory was 54.5MB in the beginning and 71.3MB in the end (delta: 16.8MB). Free memory was 31.1MB in the beginning and 39.1MB in the end (delta: -8.1MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.79ms. Allocated memory is still 71.3MB. Free memory was 39.1MB in the beginning and 50.4MB in the end (delta: -11.3MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.52ms. Allocated memory is still 71.3MB. Free memory was 50.4MB in the beginning and 45.9MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1006.75ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 45.6MB in the beginning and 57.0MB in the end (delta: -11.4MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. * TraceAbstraction took 436.83ms. Allocated memory is still 88.1MB. Free memory was 56.6MB in the beginning and 42.3MB in the end (delta: 14.2MB). 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 08:56:48,581 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