java -ea -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline_WitnessPrinter.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/ntdrivers-simplified/cdaudio_simpl1_true-unreach-call_true-valid-memsafety_true-termination.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-61f4311 [2018-11-23 10:48:54,526 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 10:48:54,528 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 10:48:54,545 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 10:48:54,545 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 10:48:54,546 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 10:48:54,547 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 10:48:54,549 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 10:48:54,551 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 10:48:54,552 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 10:48:54,553 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 10:48:54,553 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 10:48:54,554 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 10:48:54,555 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 10:48:54,556 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 10:48:54,557 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 10:48:54,558 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 10:48:54,559 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 10:48:54,562 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 10:48:54,563 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 10:48:54,564 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 10:48:54,566 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 10:48:54,568 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 10:48:54,569 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 10:48:54,569 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 10:48:54,570 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 10:48:54,571 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 10:48:54,572 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 10:48:54,573 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 10:48:54,574 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 10:48:54,574 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 10:48:54,575 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 10:48:54,575 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 10:48:54,575 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 10:48:54,576 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 10:48:54,579 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 10:48:54,579 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-23 10:48:54,607 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 10:48:54,608 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 10:48:54,608 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 10:48:54,611 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 10:48:54,611 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 10:48:54,612 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 10:48:54,612 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 10:48:54,612 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 10:48:54,612 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 10:48:54,613 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 10:48:54,613 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 10:48:54,613 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 10:48:54,613 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 10:48:54,613 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 10:48:54,614 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 10:48:54,614 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 10:48:54,614 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 10:48:54,614 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 10:48:54,614 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 10:48:54,614 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 10:48:54,615 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 10:48:54,615 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 10:48:54,615 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 10:48:54,615 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 10:48:54,616 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 10:48:54,616 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 10:48:54,616 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 10:48:54,616 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 10:48:54,616 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-23 10:48:54,617 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 10:48:54,617 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 10:48:54,617 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 10:48:54,617 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 10:48:54,669 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 10:48:54,687 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 10:48:54,691 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 10:48:54,693 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 10:48:54,693 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 10:48:54,694 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/cdaudio_simpl1_true-unreach-call_true-valid-memsafety_true-termination.cil.c [2018-11-23 10:48:54,751 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/351f1582b/86afcdfd3de646a9a9d995c077822bb7/FLAG271f2521e [2018-11-23 10:48:55,371 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 10:48:55,372 INFO L161 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/cdaudio_simpl1_true-unreach-call_true-valid-memsafety_true-termination.cil.c [2018-11-23 10:48:55,391 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/351f1582b/86afcdfd3de646a9a9d995c077822bb7/FLAG271f2521e [2018-11-23 10:48:55,556 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/351f1582b/86afcdfd3de646a9a9d995c077822bb7 [2018-11-23 10:48:55,567 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 10:48:55,569 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 10:48:55,569 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 10:48:55,570 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 10:48:55,574 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 10:48:55,575 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:48:55" (1/1) ... [2018-11-23 10:48:55,578 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37672557 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:48:55, skipping insertion in model container [2018-11-23 10:48:55,578 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:48:55" (1/1) ... [2018-11-23 10:48:55,589 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 10:48:55,662 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 10:48:56,277 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 10:48:56,288 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 10:48:56,520 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 10:48:56,665 INFO L195 MainTranslator]: Completed translation [2018-11-23 10:48:56,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:48:56 WrapperNode [2018-11-23 10:48:56,666 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 10:48:56,666 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 10:48:56,667 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 10:48:56,667 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 10:48:56,676 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:48:56" (1/1) ... [2018-11-23 10:48:56,702 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:48:56" (1/1) ... [2018-11-23 10:48:56,723 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 10:48:56,723 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 10:48:56,723 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 10:48:56,723 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 10:48:56,735 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:48:56" (1/1) ... [2018-11-23 10:48:56,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:48:56" (1/1) ... [2018-11-23 10:48:56,746 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:48:56" (1/1) ... [2018-11-23 10:48:56,746 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:48:56" (1/1) ... [2018-11-23 10:48:56,809 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:48:56" (1/1) ... [2018-11-23 10:48:56,842 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:48:56" (1/1) ... [2018-11-23 10:48:56,848 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:48:56" (1/1) ... [2018-11-23 10:48:56,861 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 10:48:56,861 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 10:48:56,862 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 10:48:56,862 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 10:48:56,863 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:48:56" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 10:48:56,947 INFO L130 BoogieDeclarations]: Found specification of procedure SendSrbSynchronous [2018-11-23 10:48:56,948 INFO L138 BoogieDeclarations]: Found implementation of procedure SendSrbSynchronous [2018-11-23 10:48:56,948 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2018-11-23 10:48:56,948 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2018-11-23 10:48:56,948 INFO L130 BoogieDeclarations]: Found specification of procedure AG_SetStatusAndReturn [2018-11-23 10:48:56,949 INFO L138 BoogieDeclarations]: Found implementation of procedure AG_SetStatusAndReturn [2018-11-23 10:48:56,949 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioStartDevice [2018-11-23 10:48:56,949 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioStartDevice [2018-11-23 10:48:56,949 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 10:48:56,949 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 10:48:56,950 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2018-11-23 10:48:56,950 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2018-11-23 10:48:56,950 INFO L130 BoogieDeclarations]: Found specification of procedure PoCallDriver [2018-11-23 10:48:56,950 INFO L138 BoogieDeclarations]: Found implementation of procedure PoCallDriver [2018-11-23 10:48:56,950 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioIsPlayActive [2018-11-23 10:48:56,952 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioIsPlayActive [2018-11-23 10:48:56,952 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2018-11-23 10:48:56,953 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2018-11-23 10:48:56,953 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioHPCdrDeviceControl [2018-11-23 10:48:56,953 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioHPCdrDeviceControl [2018-11-23 10:48:56,953 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2018-11-23 10:48:56,953 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2018-11-23 10:48:56,953 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioPower [2018-11-23 10:48:56,954 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioPower [2018-11-23 10:48:56,954 INFO L130 BoogieDeclarations]: Found specification of procedure HPCdrCompletion [2018-11-23 10:48:56,954 INFO L138 BoogieDeclarations]: Found implementation of procedure HPCdrCompletion [2018-11-23 10:48:56,954 INFO L130 BoogieDeclarations]: Found specification of procedure HpCdrProcessLastSession [2018-11-23 10:48:56,954 INFO L138 BoogieDeclarations]: Found implementation of procedure HpCdrProcessLastSession [2018-11-23 10:48:56,954 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2018-11-23 10:48:56,955 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2018-11-23 10:48:56,955 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2018-11-23 10:48:56,955 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2018-11-23 10:48:56,955 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioPnp [2018-11-23 10:48:56,955 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioPnp [2018-11-23 10:48:56,955 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioSignalCompletion [2018-11-23 10:48:56,956 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioSignalCompletion [2018-11-23 10:48:56,956 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2018-11-23 10:48:56,956 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2018-11-23 10:48:56,956 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudio535DeviceControl [2018-11-23 10:48:56,956 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudio535DeviceControl [2018-11-23 10:48:56,956 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2018-11-23 10:48:56,957 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2018-11-23 10:48:56,959 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioSendToNextDriver [2018-11-23 10:48:56,959 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioSendToNextDriver [2018-11-23 10:48:56,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 10:48:56,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 10:48:56,960 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioAtapiDeviceControl [2018-11-23 10:48:56,960 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioAtapiDeviceControl [2018-11-23 10:48:56,960 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioDeviceControl [2018-11-23 10:48:56,960 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioDeviceControl [2018-11-23 10:48:56,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 10:48:56,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 10:48:56,960 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudio435DeviceControl [2018-11-23 10:48:56,961 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudio435DeviceControl [2018-11-23 10:48:56,961 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioUnload [2018-11-23 10:48:56,961 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioUnload [2018-11-23 10:48:56,961 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioForwardIrpSynchronous [2018-11-23 10:48:56,961 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioForwardIrpSynchronous [2018-11-23 10:48:56,961 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2018-11-23 10:48:56,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2018-11-23 10:48:57,987 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 10:48:57,987 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 10:48:58,399 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 10:48:58,399 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 10:48:58,684 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 10:48:58,684 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 10:48:59,436 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 10:48:59,436 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 10:49:00,007 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 10:49:00,008 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 10:49:00,488 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 10:49:00,489 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 10:49:00,644 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 10:49:00,644 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 10:49:00,734 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 10:49:00,734 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 10:49:01,240 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 10:49:01,241 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 10:49:01,396 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 10:49:01,397 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 10:49:01,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:49:01 BoogieIcfgContainer [2018-11-23 10:49:01,398 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 10:49:01,399 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 10:49:01,400 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 10:49:01,403 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 10:49:01,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:48:55" (1/3) ... [2018-11-23 10:49:01,404 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59b161c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:49:01, skipping insertion in model container [2018-11-23 10:49:01,404 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:48:56" (2/3) ... [2018-11-23 10:49:01,405 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59b161c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:49:01, skipping insertion in model container [2018-11-23 10:49:01,405 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:49:01" (3/3) ... [2018-11-23 10:49:01,407 INFO L112 eAbstractionObserver]: Analyzing ICFG cdaudio_simpl1_true-unreach-call_true-valid-memsafety_true-termination.cil.c [2018-11-23 10:49:01,418 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 10:49:01,427 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 10:49:01,446 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 10:49:01,485 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 10:49:01,486 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 10:49:01,486 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 10:49:01,486 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 10:49:01,486 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 10:49:01,486 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 10:49:01,486 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 10:49:01,487 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 10:49:01,487 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 10:49:01,524 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states. [2018-11-23 10:49:01,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-23 10:49:01,533 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 10:49:01,533 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 10:49:01,536 INFO L423 AbstractCegarLoop]: === Iteration 1 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 10:49:01,541 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 10:49:01,541 INFO L82 PathProgramCache]: Analyzing trace with hash 1001295975, now seen corresponding path program 1 times [2018-11-23 10:49:01,545 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 10:49:01,546 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 10:49:01,567 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 10:49:01,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:49:01,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:49:01,736 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 10:49:01,857 INFO L256 TraceCheckUtils]: 0: Hoare triple {518#true} call ULTIMATE.init(); {518#true} is VALID [2018-11-23 10:49:01,861 INFO L273 TraceCheckUtils]: 1: Hoare triple {518#true} ~s~0 := 0bv32;~UNLOADED~0 := 0bv32;~NP~0 := 0bv32;~DC~0 := 0bv32;~SKIP1~0 := 0bv32;~SKIP2~0 := 0bv32;~MPR1~0 := 0bv32;~MPR3~0 := 0bv32;~IPC~0 := 0bv32;~pended~0 := 0bv32;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32;~routine~0 := 0bv32;~myStatus~0 := 0bv32;~pirp~0 := 0bv32;~Executive~0 := 0bv32;~Suspended~0 := 0bv32;~KernelMode~0 := 0bv32;~DeviceUsageTypePaging~0 := 0bv32; {518#true} is VALID [2018-11-23 10:49:01,862 INFO L273 TraceCheckUtils]: 2: Hoare triple {518#true} assume true; {518#true} is VALID [2018-11-23 10:49:01,862 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {518#true} {518#true} #1496#return; {518#true} is VALID [2018-11-23 10:49:01,862 INFO L256 TraceCheckUtils]: 4: Hoare triple {518#true} call #t~ret176 := main(); {518#true} is VALID [2018-11-23 10:49:01,863 INFO L273 TraceCheckUtils]: 5: Hoare triple {518#true} havoc ~pirp__IoStatus__Status~0;~d~0 := #t~nondet150;havoc #t~nondet150;~status~9 := #t~nondet151;havoc #t~nondet151;~irp~1 := #t~nondet152;havoc #t~nondet152;~we_should_unload~0 := #t~nondet153;havoc #t~nondet153;~irp_choice~0 := #t~nondet154;havoc #t~nondet154;~devobj~0 := #t~nondet155;havoc #t~nondet155;havoc ~__cil_tmp9~1;~s~0 := 0bv32;~UNLOADED~0 := 0bv32;~NP~0 := 0bv32;~DC~0 := 0bv32;~SKIP1~0 := 0bv32;~SKIP2~0 := 0bv32;~MPR1~0 := 0bv32;~MPR3~0 := 0bv32;~IPC~0 := 0bv32;~pended~0 := 0bv32;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32;~routine~0 := 0bv32;~myStatus~0 := 0bv32;~pirp~0 := 0bv32;~Executive~0 := 0bv32;~Suspended~0 := 5bv32;~KernelMode~0 := 0bv32;~DeviceUsageTypePaging~0 := 1bv32;~pirp~0 := ~irp~1; {518#true} is VALID [2018-11-23 10:49:01,863 INFO L256 TraceCheckUtils]: 6: Hoare triple {518#true} call _BLAST_init(); {518#true} is VALID [2018-11-23 10:49:01,865 INFO L273 TraceCheckUtils]: 7: Hoare triple {518#true} ~UNLOADED~0 := 0bv32;~NP~0 := 1bv32;~DC~0 := 2bv32;~SKIP1~0 := 3bv32;~SKIP2~0 := 4bv32;~MPR1~0 := 5bv32;~MPR3~0 := 6bv32;~IPC~0 := 7bv32;~s~0 := ~UNLOADED~0;~pended~0 := 0bv32;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32; {544#(= ~UNLOADED~0 ~s~0)} is VALID [2018-11-23 10:49:01,866 INFO L273 TraceCheckUtils]: 8: Hoare triple {544#(= ~UNLOADED~0 ~s~0)} assume true; {544#(= ~UNLOADED~0 ~s~0)} is VALID [2018-11-23 10:49:01,867 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {544#(= ~UNLOADED~0 ~s~0)} {518#true} #1364#return; {544#(= ~UNLOADED~0 ~s~0)} is VALID [2018-11-23 10:49:01,869 INFO L273 TraceCheckUtils]: 10: Hoare triple {544#(= ~UNLOADED~0 ~s~0)} assume !~bvsge32(~status~9, 0bv32); {544#(= ~UNLOADED~0 ~s~0)} is VALID [2018-11-23 10:49:01,870 INFO L273 TraceCheckUtils]: 11: Hoare triple {544#(= ~UNLOADED~0 ~s~0)} assume !(1bv32 == ~pended~0); {544#(= ~UNLOADED~0 ~s~0)} is VALID [2018-11-23 10:49:01,871 INFO L273 TraceCheckUtils]: 12: Hoare triple {544#(= ~UNLOADED~0 ~s~0)} assume !(1bv32 == ~pended~0); {544#(= ~UNLOADED~0 ~s~0)} is VALID [2018-11-23 10:49:01,875 INFO L273 TraceCheckUtils]: 13: Hoare triple {544#(= ~UNLOADED~0 ~s~0)} assume ~s~0 != ~UNLOADED~0; {519#false} is VALID [2018-11-23 10:49:01,875 INFO L273 TraceCheckUtils]: 14: Hoare triple {519#false} assume 4294967295bv32 != ~status~9; {519#false} is VALID [2018-11-23 10:49:01,875 INFO L273 TraceCheckUtils]: 15: Hoare triple {519#false} assume ~s~0 != ~SKIP2~0; {519#false} is VALID [2018-11-23 10:49:01,876 INFO L273 TraceCheckUtils]: 16: Hoare triple {519#false} assume ~s~0 != ~IPC~0; {519#false} is VALID [2018-11-23 10:49:01,876 INFO L273 TraceCheckUtils]: 17: Hoare triple {519#false} assume ~s~0 != ~DC~0; {519#false} is VALID [2018-11-23 10:49:01,876 INFO L256 TraceCheckUtils]: 18: Hoare triple {519#false} call errorFn(); {519#false} is VALID [2018-11-23 10:49:01,877 INFO L273 TraceCheckUtils]: 19: Hoare triple {519#false} assume !false; {519#false} is VALID [2018-11-23 10:49:01,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 10:49:01,882 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 10:49:01,890 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 10:49:01,890 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 10:49:01,897 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2018-11-23 10:49:01,900 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 10:49:01,904 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2018-11-23 10:49:01,959 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 10:49:01,959 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 10:49:01,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 10:49:01,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 10:49:01,971 INFO L87 Difference]: Start difference. First operand 515 states. Second operand 3 states. [2018-11-23 10:49:05,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:49:05,240 INFO L93 Difference]: Finished difference Result 887 states and 1373 transitions. [2018-11-23 10:49:05,240 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 10:49:05,240 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2018-11-23 10:49:05,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 10:49:05,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 10:49:05,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1373 transitions. [2018-11-23 10:49:05,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 10:49:05,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1373 transitions. [2018-11-23 10:49:05,344 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 1373 transitions. [2018-11-23 10:49:07,538 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 1373 edges. 1373 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 10:49:07,641 INFO L225 Difference]: With dead ends: 887 [2018-11-23 10:49:07,641 INFO L226 Difference]: Without dead ends: 507 [2018-11-23 10:49:07,650 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 10:49:07,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2018-11-23 10:49:08,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 507. [2018-11-23 10:49:08,512 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 10:49:08,512 INFO L82 GeneralOperation]: Start isEquivalent. First operand 507 states. Second operand 507 states. [2018-11-23 10:49:08,513 INFO L74 IsIncluded]: Start isIncluded. First operand 507 states. Second operand 507 states. [2018-11-23 10:49:08,513 INFO L87 Difference]: Start difference. First operand 507 states. Second operand 507 states. [2018-11-23 10:49:08,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:49:08,550 INFO L93 Difference]: Finished difference Result 507 states and 737 transitions. [2018-11-23 10:49:08,550 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 737 transitions. [2018-11-23 10:49:08,560 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 10:49:08,560 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 10:49:08,561 INFO L74 IsIncluded]: Start isIncluded. First operand 507 states. Second operand 507 states. [2018-11-23 10:49:08,561 INFO L87 Difference]: Start difference. First operand 507 states. Second operand 507 states. [2018-11-23 10:49:08,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:49:08,600 INFO L93 Difference]: Finished difference Result 507 states and 737 transitions. [2018-11-23 10:49:08,600 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 737 transitions. [2018-11-23 10:49:08,606 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 10:49:08,607 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 10:49:08,607 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 10:49:08,607 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 10:49:08,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 507 states. [2018-11-23 10:49:08,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 507 states and 737 transitions. [2018-11-23 10:49:08,644 INFO L78 Accepts]: Start accepts. Automaton has 507 states and 737 transitions. Word has length 20 [2018-11-23 10:49:08,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 10:49:08,646 INFO L480 AbstractCegarLoop]: Abstraction has 507 states and 737 transitions. [2018-11-23 10:49:08,646 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 10:49:08,646 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 737 transitions. [2018-11-23 10:49:08,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-23 10:49:08,647 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 10:49:08,647 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 10:49:08,648 INFO L423 AbstractCegarLoop]: === Iteration 2 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 10:49:08,648 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 10:49:08,648 INFO L82 PathProgramCache]: Analyzing trace with hash 1234723898, now seen corresponding path program 1 times [2018-11-23 10:49:08,649 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 10:49:08,649 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 10:49:08,669 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 10:49:08,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:49:08,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:49:08,787 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 10:49:08,858 INFO L256 TraceCheckUtils]: 0: Hoare triple {3425#true} call ULTIMATE.init(); {3425#true} is VALID [2018-11-23 10:49:08,858 INFO L273 TraceCheckUtils]: 1: Hoare triple {3425#true} ~s~0 := 0bv32;~UNLOADED~0 := 0bv32;~NP~0 := 0bv32;~DC~0 := 0bv32;~SKIP1~0 := 0bv32;~SKIP2~0 := 0bv32;~MPR1~0 := 0bv32;~MPR3~0 := 0bv32;~IPC~0 := 0bv32;~pended~0 := 0bv32;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32;~routine~0 := 0bv32;~myStatus~0 := 0bv32;~pirp~0 := 0bv32;~Executive~0 := 0bv32;~Suspended~0 := 0bv32;~KernelMode~0 := 0bv32;~DeviceUsageTypePaging~0 := 0bv32; {3425#true} is VALID [2018-11-23 10:49:08,858 INFO L273 TraceCheckUtils]: 2: Hoare triple {3425#true} assume true; {3425#true} is VALID [2018-11-23 10:49:08,859 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {3425#true} {3425#true} #1496#return; {3425#true} is VALID [2018-11-23 10:49:08,859 INFO L256 TraceCheckUtils]: 4: Hoare triple {3425#true} call #t~ret176 := main(); {3425#true} is VALID [2018-11-23 10:49:08,859 INFO L273 TraceCheckUtils]: 5: Hoare triple {3425#true} havoc ~pirp__IoStatus__Status~0;~d~0 := #t~nondet150;havoc #t~nondet150;~status~9 := #t~nondet151;havoc #t~nondet151;~irp~1 := #t~nondet152;havoc #t~nondet152;~we_should_unload~0 := #t~nondet153;havoc #t~nondet153;~irp_choice~0 := #t~nondet154;havoc #t~nondet154;~devobj~0 := #t~nondet155;havoc #t~nondet155;havoc ~__cil_tmp9~1;~s~0 := 0bv32;~UNLOADED~0 := 0bv32;~NP~0 := 0bv32;~DC~0 := 0bv32;~SKIP1~0 := 0bv32;~SKIP2~0 := 0bv32;~MPR1~0 := 0bv32;~MPR3~0 := 0bv32;~IPC~0 := 0bv32;~pended~0 := 0bv32;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32;~routine~0 := 0bv32;~myStatus~0 := 0bv32;~pirp~0 := 0bv32;~Executive~0 := 0bv32;~Suspended~0 := 5bv32;~KernelMode~0 := 0bv32;~DeviceUsageTypePaging~0 := 1bv32;~pirp~0 := ~irp~1; {3425#true} is VALID [2018-11-23 10:49:08,859 INFO L256 TraceCheckUtils]: 6: Hoare triple {3425#true} call _BLAST_init(); {3425#true} is VALID [2018-11-23 10:49:08,860 INFO L273 TraceCheckUtils]: 7: Hoare triple {3425#true} ~UNLOADED~0 := 0bv32;~NP~0 := 1bv32;~DC~0 := 2bv32;~SKIP1~0 := 3bv32;~SKIP2~0 := 4bv32;~MPR1~0 := 5bv32;~MPR3~0 := 6bv32;~IPC~0 := 7bv32;~s~0 := ~UNLOADED~0;~pended~0 := 0bv32;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32; {3425#true} is VALID [2018-11-23 10:49:08,860 INFO L273 TraceCheckUtils]: 8: Hoare triple {3425#true} assume true; {3425#true} is VALID [2018-11-23 10:49:08,860 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {3425#true} {3425#true} #1364#return; {3425#true} is VALID [2018-11-23 10:49:08,860 INFO L273 TraceCheckUtils]: 10: Hoare triple {3425#true} assume ~bvsge32(~status~9, 0bv32);~s~0 := ~NP~0;~customIrp~0 := 0bv32;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0;~pirp__IoStatus__Status~0 := 0bv32;~myStatus~0 := 0bv32; {3425#true} is VALID [2018-11-23 10:49:08,861 INFO L273 TraceCheckUtils]: 11: Hoare triple {3425#true} assume 0bv32 == ~irp_choice~0;~pirp__IoStatus__Status~0 := 3221225659bv32;~myStatus~0 := 3221225659bv32; {3425#true} is VALID [2018-11-23 10:49:08,861 INFO L256 TraceCheckUtils]: 12: Hoare triple {3425#true} call stub_driver_init(); {3425#true} is VALID [2018-11-23 10:49:08,862 INFO L273 TraceCheckUtils]: 13: Hoare triple {3425#true} ~s~0 := ~NP~0;~customIrp~0 := 0bv32;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0; {3469#(= ~NP~0 ~s~0)} is VALID [2018-11-23 10:49:08,865 INFO L273 TraceCheckUtils]: 14: Hoare triple {3469#(= ~NP~0 ~s~0)} assume true; {3469#(= ~NP~0 ~s~0)} is VALID [2018-11-23 10:49:08,865 INFO L268 TraceCheckUtils]: 15: Hoare quadruple {3469#(= ~NP~0 ~s~0)} {3425#true} #1366#return; {3469#(= ~NP~0 ~s~0)} is VALID [2018-11-23 10:49:08,866 INFO L273 TraceCheckUtils]: 16: Hoare triple {3469#(= ~NP~0 ~s~0)} assume !~bvslt32(~status~9, 0bv32);havoc ~tmp_ndt_1~0;~tmp_ndt_1~0 := #t~nondet156;havoc #t~nondet156; {3469#(= ~NP~0 ~s~0)} is VALID [2018-11-23 10:49:08,866 INFO L273 TraceCheckUtils]: 17: Hoare triple {3469#(= ~NP~0 ~s~0)} assume !(2bv32 == ~tmp_ndt_1~0);havoc ~tmp_ndt_2~0;~tmp_ndt_2~0 := #t~nondet157;havoc #t~nondet157; {3469#(= ~NP~0 ~s~0)} is VALID [2018-11-23 10:49:08,868 INFO L273 TraceCheckUtils]: 18: Hoare triple {3469#(= ~NP~0 ~s~0)} assume !(3bv32 == ~tmp_ndt_2~0);havoc ~tmp_ndt_3~0;~tmp_ndt_3~0 := #t~nondet158;havoc #t~nondet158; {3469#(= ~NP~0 ~s~0)} is VALID [2018-11-23 10:49:08,868 INFO L273 TraceCheckUtils]: 19: Hoare triple {3469#(= ~NP~0 ~s~0)} assume 4bv32 == ~tmp_ndt_3~0; {3469#(= ~NP~0 ~s~0)} is VALID [2018-11-23 10:49:08,869 INFO L256 TraceCheckUtils]: 20: Hoare triple {3469#(= ~NP~0 ~s~0)} call #t~ret161 := CdAudioPower(~devobj~0, ~pirp~0); {3469#(= ~NP~0 ~s~0)} is VALID [2018-11-23 10:49:08,869 INFO L273 TraceCheckUtils]: 21: Hoare triple {3469#(= ~NP~0 ~s~0)} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;~Irp__CurrentLocation~1 := #t~nondet144;havoc #t~nondet144;~Irp__Tail__Overlay__CurrentStackLocation~3 := #t~nondet145;havoc #t~nondet145;~deviceExtension__TargetDeviceObject~4 := #t~nondet146;havoc #t~nondet146;havoc ~tmp~7; {3469#(= ~NP~0 ~s~0)} is VALID [2018-11-23 10:49:08,870 INFO L273 TraceCheckUtils]: 22: Hoare triple {3469#(= ~NP~0 ~s~0)} assume !(~s~0 == ~NP~0); {3426#false} is VALID [2018-11-23 10:49:08,871 INFO L256 TraceCheckUtils]: 23: Hoare triple {3426#false} call errorFn(); {3426#false} is VALID [2018-11-23 10:49:08,871 INFO L273 TraceCheckUtils]: 24: Hoare triple {3426#false} assume !false; {3426#false} is VALID [2018-11-23 10:49:08,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 10:49:08,875 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 10:49:08,879 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 10:49:08,879 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 10:49:08,884 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2018-11-23 10:49:08,884 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 10:49:08,884 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2018-11-23 10:49:08,917 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 25 edges. 25 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 10:49:08,918 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 10:49:08,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 10:49:08,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 10:49:08,919 INFO L87 Difference]: Start difference. First operand 507 states and 737 transitions. Second operand 3 states. [2018-11-23 10:49:12,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:49:12,550 INFO L93 Difference]: Finished difference Result 789 states and 1117 transitions. [2018-11-23 10:49:12,550 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 10:49:12,550 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2018-11-23 10:49:12,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 10:49:12,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 10:49:12,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1117 transitions. [2018-11-23 10:49:12,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 10:49:12,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1117 transitions. [2018-11-23 10:49:12,593 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 1117 transitions. [2018-11-23 10:49:14,109 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 1117 edges. 1117 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 10:49:14,151 INFO L225 Difference]: With dead ends: 789 [2018-11-23 10:49:14,151 INFO L226 Difference]: Without dead ends: 670 [2018-11-23 10:49:14,153 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 10:49:14,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 670 states. [2018-11-23 10:49:15,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 670 to 652. [2018-11-23 10:49:15,017 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 10:49:15,017 INFO L82 GeneralOperation]: Start isEquivalent. First operand 670 states. Second operand 652 states. [2018-11-23 10:49:15,017 INFO L74 IsIncluded]: Start isIncluded. First operand 670 states. Second operand 652 states. [2018-11-23 10:49:15,017 INFO L87 Difference]: Start difference. First operand 670 states. Second operand 652 states. [2018-11-23 10:49:15,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:49:15,065 INFO L93 Difference]: Finished difference Result 670 states and 953 transitions. [2018-11-23 10:49:15,065 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 953 transitions. [2018-11-23 10:49:15,069 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 10:49:15,069 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 10:49:15,069 INFO L74 IsIncluded]: Start isIncluded. First operand 652 states. Second operand 670 states. [2018-11-23 10:49:15,069 INFO L87 Difference]: Start difference. First operand 652 states. Second operand 670 states. [2018-11-23 10:49:15,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:49:15,112 INFO L93 Difference]: Finished difference Result 670 states and 953 transitions. [2018-11-23 10:49:15,112 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 953 transitions. [2018-11-23 10:49:15,116 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 10:49:15,116 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 10:49:15,116 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 10:49:15,116 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 10:49:15,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 652 states. [2018-11-23 10:49:15,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 652 states and 931 transitions. [2018-11-23 10:49:15,165 INFO L78 Accepts]: Start accepts. Automaton has 652 states and 931 transitions. Word has length 25 [2018-11-23 10:49:15,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 10:49:15,166 INFO L480 AbstractCegarLoop]: Abstraction has 652 states and 931 transitions. [2018-11-23 10:49:15,166 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 10:49:15,166 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 931 transitions. [2018-11-23 10:49:15,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-23 10:49:15,168 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 10:49:15,168 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 10:49:15,168 INFO L423 AbstractCegarLoop]: === Iteration 3 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 10:49:15,168 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 10:49:15,169 INFO L82 PathProgramCache]: Analyzing trace with hash -1491411356, now seen corresponding path program 1 times [2018-11-23 10:49:15,169 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 10:49:15,169 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 10:49:15,202 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 10:49:15,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:49:15,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:49:15,355 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 10:49:15,569 INFO L256 TraceCheckUtils]: 0: Hoare triple {6736#true} call ULTIMATE.init(); {6736#true} is VALID [2018-11-23 10:49:15,569 INFO L273 TraceCheckUtils]: 1: Hoare triple {6736#true} ~s~0 := 0bv32;~UNLOADED~0 := 0bv32;~NP~0 := 0bv32;~DC~0 := 0bv32;~SKIP1~0 := 0bv32;~SKIP2~0 := 0bv32;~MPR1~0 := 0bv32;~MPR3~0 := 0bv32;~IPC~0 := 0bv32;~pended~0 := 0bv32;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32;~routine~0 := 0bv32;~myStatus~0 := 0bv32;~pirp~0 := 0bv32;~Executive~0 := 0bv32;~Suspended~0 := 0bv32;~KernelMode~0 := 0bv32;~DeviceUsageTypePaging~0 := 0bv32; {6736#true} is VALID [2018-11-23 10:49:15,569 INFO L273 TraceCheckUtils]: 2: Hoare triple {6736#true} assume true; {6736#true} is VALID [2018-11-23 10:49:15,570 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {6736#true} {6736#true} #1496#return; {6736#true} is VALID [2018-11-23 10:49:15,570 INFO L256 TraceCheckUtils]: 4: Hoare triple {6736#true} call #t~ret176 := main(); {6736#true} is VALID [2018-11-23 10:49:15,570 INFO L273 TraceCheckUtils]: 5: Hoare triple {6736#true} havoc ~pirp__IoStatus__Status~0;~d~0 := #t~nondet150;havoc #t~nondet150;~status~9 := #t~nondet151;havoc #t~nondet151;~irp~1 := #t~nondet152;havoc #t~nondet152;~we_should_unload~0 := #t~nondet153;havoc #t~nondet153;~irp_choice~0 := #t~nondet154;havoc #t~nondet154;~devobj~0 := #t~nondet155;havoc #t~nondet155;havoc ~__cil_tmp9~1;~s~0 := 0bv32;~UNLOADED~0 := 0bv32;~NP~0 := 0bv32;~DC~0 := 0bv32;~SKIP1~0 := 0bv32;~SKIP2~0 := 0bv32;~MPR1~0 := 0bv32;~MPR3~0 := 0bv32;~IPC~0 := 0bv32;~pended~0 := 0bv32;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32;~routine~0 := 0bv32;~myStatus~0 := 0bv32;~pirp~0 := 0bv32;~Executive~0 := 0bv32;~Suspended~0 := 5bv32;~KernelMode~0 := 0bv32;~DeviceUsageTypePaging~0 := 1bv32;~pirp~0 := ~irp~1; {6736#true} is VALID [2018-11-23 10:49:15,571 INFO L256 TraceCheckUtils]: 6: Hoare triple {6736#true} call _BLAST_init(); {6736#true} is VALID [2018-11-23 10:49:15,571 INFO L273 TraceCheckUtils]: 7: Hoare triple {6736#true} ~UNLOADED~0 := 0bv32;~NP~0 := 1bv32;~DC~0 := 2bv32;~SKIP1~0 := 3bv32;~SKIP2~0 := 4bv32;~MPR1~0 := 5bv32;~MPR3~0 := 6bv32;~IPC~0 := 7bv32;~s~0 := ~UNLOADED~0;~pended~0 := 0bv32;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32; {6736#true} is VALID [2018-11-23 10:49:15,571 INFO L273 TraceCheckUtils]: 8: Hoare triple {6736#true} assume true; {6736#true} is VALID [2018-11-23 10:49:15,571 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {6736#true} {6736#true} #1364#return; {6736#true} is VALID [2018-11-23 10:49:15,572 INFO L273 TraceCheckUtils]: 10: Hoare triple {6736#true} assume ~bvsge32(~status~9, 0bv32);~s~0 := ~NP~0;~customIrp~0 := 0bv32;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0;~pirp__IoStatus__Status~0 := 0bv32;~myStatus~0 := 0bv32; {6736#true} is VALID [2018-11-23 10:49:15,572 INFO L273 TraceCheckUtils]: 11: Hoare triple {6736#true} assume 0bv32 == ~irp_choice~0;~pirp__IoStatus__Status~0 := 3221225659bv32;~myStatus~0 := 3221225659bv32; {6736#true} is VALID [2018-11-23 10:49:15,572 INFO L256 TraceCheckUtils]: 12: Hoare triple {6736#true} call stub_driver_init(); {6736#true} is VALID [2018-11-23 10:49:15,575 INFO L273 TraceCheckUtils]: 13: Hoare triple {6736#true} ~s~0 := ~NP~0;~customIrp~0 := 0bv32;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0; {6780#(= (_ bv0 32) ~compRegistered~0)} is VALID [2018-11-23 10:49:15,575 INFO L273 TraceCheckUtils]: 14: Hoare triple {6780#(= (_ bv0 32) ~compRegistered~0)} assume true; {6780#(= (_ bv0 32) ~compRegistered~0)} is VALID [2018-11-23 10:49:15,576 INFO L268 TraceCheckUtils]: 15: Hoare quadruple {6780#(= (_ bv0 32) ~compRegistered~0)} {6736#true} #1366#return; {6780#(= (_ bv0 32) ~compRegistered~0)} is VALID [2018-11-23 10:49:15,577 INFO L273 TraceCheckUtils]: 16: Hoare triple {6780#(= (_ bv0 32) ~compRegistered~0)} assume !~bvslt32(~status~9, 0bv32);havoc ~tmp_ndt_1~0;~tmp_ndt_1~0 := #t~nondet156;havoc #t~nondet156; {6780#(= (_ bv0 32) ~compRegistered~0)} is VALID [2018-11-23 10:49:15,580 INFO L273 TraceCheckUtils]: 17: Hoare triple {6780#(= (_ bv0 32) ~compRegistered~0)} assume !(2bv32 == ~tmp_ndt_1~0);havoc ~tmp_ndt_2~0;~tmp_ndt_2~0 := #t~nondet157;havoc #t~nondet157; {6780#(= (_ bv0 32) ~compRegistered~0)} is VALID [2018-11-23 10:49:15,584 INFO L273 TraceCheckUtils]: 18: Hoare triple {6780#(= (_ bv0 32) ~compRegistered~0)} assume 3bv32 == ~tmp_ndt_2~0; {6780#(= (_ bv0 32) ~compRegistered~0)} is VALID [2018-11-23 10:49:15,584 INFO L256 TraceCheckUtils]: 19: Hoare triple {6780#(= (_ bv0 32) ~compRegistered~0)} call #t~ret160 := CdAudioPnp(~devobj~0, ~pirp~0); {6780#(= (_ bv0 32) ~compRegistered~0)} is VALID [2018-11-23 10:49:15,585 INFO L273 TraceCheckUtils]: 20: Hoare triple {6780#(= (_ bv0 32) ~compRegistered~0)} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;~Irp__Tail__Overlay__CurrentStackLocation~0 := #t~nondet14;havoc #t~nondet14;~irpSp__MinorFunction~0 := #t~nondet15;havoc #t~nondet15;havoc ~Irp__IoStatus__Status~0;~irpSp__Parameters__UsageNotification__Type~0 := #t~nondet16;havoc #t~nondet16;~deviceExtension__PagingPathCountEvent~0 := #t~nondet17;havoc #t~nondet17;~irpSp__Parameters__UsageNotification__InPath~0 := #t~nondet18;havoc #t~nondet18;~deviceExtension__PagingPathCount~0 := #t~nondet19;havoc #t~nondet19;havoc ~DeviceObject__Flags~0;havoc ~irpSp~0;havoc ~status~2;havoc ~setPagable~0;havoc ~tmp~1;havoc ~tmp___0~0;~irpSp~0 := ~Irp__Tail__Overlay__CurrentStackLocation~0;~status~2 := 3221225659bv32; {6780#(= (_ bv0 32) ~compRegistered~0)} is VALID [2018-11-23 10:49:15,585 INFO L273 TraceCheckUtils]: 21: Hoare triple {6780#(= (_ bv0 32) ~compRegistered~0)} assume 0bv32 == ~irpSp__MinorFunction~0; {6780#(= (_ bv0 32) ~compRegistered~0)} is VALID [2018-11-23 10:49:15,586 INFO L256 TraceCheckUtils]: 22: Hoare triple {6780#(= (_ bv0 32) ~compRegistered~0)} call #t~ret20 := CdAudioStartDevice(~DeviceObject, ~Irp); {6780#(= (_ bv0 32) ~compRegistered~0)} is VALID [2018-11-23 10:49:15,586 INFO L273 TraceCheckUtils]: 23: Hoare triple {6780#(= (_ bv0 32) ~compRegistered~0)} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;~deviceExtension__Active~0 := #t~nondet5;havoc #t~nondet5;~deviceExtension~0 := #t~nondet6;havoc #t~nondet6;havoc ~status~1;~srb~0 := #t~nondet7;havoc #t~nondet7;~srb__Cdb~0 := #t~nondet8;havoc #t~nondet8;havoc ~cdb~0;havoc ~inquiryDataPtr~0;havoc ~attempt~0;havoc ~tmp~0;~deviceParameterHandle~0 := #t~nondet9;havoc #t~nondet9;havoc ~keyValue~0; {6780#(= (_ bv0 32) ~compRegistered~0)} is VALID [2018-11-23 10:49:15,587 INFO L256 TraceCheckUtils]: 24: Hoare triple {6780#(= (_ bv0 32) ~compRegistered~0)} call #t~ret10 := CdAudioForwardIrpSynchronous(~DeviceObject, ~Irp); {6780#(= (_ bv0 32) ~compRegistered~0)} is VALID [2018-11-23 10:49:15,588 INFO L273 TraceCheckUtils]: 25: Hoare triple {6780#(= (_ bv0 32) ~compRegistered~0)} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;~deviceExtension__TargetDeviceObject~3 := #t~nondet140;havoc #t~nondet140;~event~2 := #t~nondet141;havoc #t~nondet141;havoc ~status~8;havoc ~irpSp__Control~1; {6780#(= (_ bv0 32) ~compRegistered~0)} is VALID [2018-11-23 10:49:15,588 INFO L273 TraceCheckUtils]: 26: Hoare triple {6780#(= (_ bv0 32) ~compRegistered~0)} assume !(~s~0 != ~NP~0); {6780#(= (_ bv0 32) ~compRegistered~0)} is VALID [2018-11-23 10:49:15,589 INFO L273 TraceCheckUtils]: 27: Hoare triple {6780#(= (_ bv0 32) ~compRegistered~0)} assume 0bv32 != ~compRegistered~0; {6737#false} is VALID [2018-11-23 10:49:15,589 INFO L256 TraceCheckUtils]: 28: Hoare triple {6737#false} call errorFn(); {6737#false} is VALID [2018-11-23 10:49:15,590 INFO L273 TraceCheckUtils]: 29: Hoare triple {6737#false} assume !false; {6737#false} is VALID [2018-11-23 10:49:15,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 10:49:15,592 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 10:49:15,594 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 10:49:15,594 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 10:49:15,594 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2018-11-23 10:49:15,595 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 10:49:15,595 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2018-11-23 10:49:15,634 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 30 edges. 30 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 10:49:15,634 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 10:49:15,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 10:49:15,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 10:49:15,635 INFO L87 Difference]: Start difference. First operand 652 states and 931 transitions. Second operand 3 states. [2018-11-23 10:49:18,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:49:18,352 INFO L93 Difference]: Finished difference Result 995 states and 1378 transitions. [2018-11-23 10:49:18,352 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 10:49:18,352 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2018-11-23 10:49:18,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 10:49:18,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 10:49:18,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1044 transitions. [2018-11-23 10:49:18,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 10:49:18,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1044 transitions. [2018-11-23 10:49:18,383 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 1044 transitions. [2018-11-23 10:49:19,617 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 1044 edges. 1044 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 10:49:19,678 INFO L225 Difference]: With dead ends: 995 [2018-11-23 10:49:19,678 INFO L226 Difference]: Without dead ends: 819 [2018-11-23 10:49:19,680 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 10:49:19,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 819 states. [2018-11-23 10:49:20,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 819 to 767. [2018-11-23 10:49:20,391 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 10:49:20,391 INFO L82 GeneralOperation]: Start isEquivalent. First operand 819 states. Second operand 767 states. [2018-11-23 10:49:20,391 INFO L74 IsIncluded]: Start isIncluded. First operand 819 states. Second operand 767 states. [2018-11-23 10:49:20,391 INFO L87 Difference]: Start difference. First operand 819 states. Second operand 767 states. [2018-11-23 10:49:20,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:49:20,443 INFO L93 Difference]: Finished difference Result 819 states and 1150 transitions. [2018-11-23 10:49:20,443 INFO L276 IsEmpty]: Start isEmpty. Operand 819 states and 1150 transitions. [2018-11-23 10:49:20,447 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 10:49:20,448 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 10:49:20,448 INFO L74 IsIncluded]: Start isIncluded. First operand 767 states. Second operand 819 states. [2018-11-23 10:49:20,448 INFO L87 Difference]: Start difference. First operand 767 states. Second operand 819 states. [2018-11-23 10:49:20,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:49:20,500 INFO L93 Difference]: Finished difference Result 819 states and 1150 transitions. [2018-11-23 10:49:20,500 INFO L276 IsEmpty]: Start isEmpty. Operand 819 states and 1150 transitions. [2018-11-23 10:49:20,504 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 10:49:20,504 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 10:49:20,505 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 10:49:20,505 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 10:49:20,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 767 states. [2018-11-23 10:49:20,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 767 states and 1091 transitions. [2018-11-23 10:49:20,561 INFO L78 Accepts]: Start accepts. Automaton has 767 states and 1091 transitions. Word has length 30 [2018-11-23 10:49:20,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 10:49:20,562 INFO L480 AbstractCegarLoop]: Abstraction has 767 states and 1091 transitions. [2018-11-23 10:49:20,562 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 10:49:20,562 INFO L276 IsEmpty]: Start isEmpty. Operand 767 states and 1091 transitions. [2018-11-23 10:49:20,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-23 10:49:20,563 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 10:49:20,564 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 10:49:20,564 INFO L423 AbstractCegarLoop]: === Iteration 4 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 10:49:20,564 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 10:49:20,564 INFO L82 PathProgramCache]: Analyzing trace with hash -1315443348, now seen corresponding path program 1 times [2018-11-23 10:49:20,565 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 10:49:20,565 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 10:49:20,598 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 10:49:20,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:49:20,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:49:20,754 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 10:49:21,527 INFO L256 TraceCheckUtils]: 0: Hoare triple {10754#true} call ULTIMATE.init(); {10754#true} is VALID [2018-11-23 10:49:21,527 INFO L273 TraceCheckUtils]: 1: Hoare triple {10754#true} ~s~0 := 0bv32;~UNLOADED~0 := 0bv32;~NP~0 := 0bv32;~DC~0 := 0bv32;~SKIP1~0 := 0bv32;~SKIP2~0 := 0bv32;~MPR1~0 := 0bv32;~MPR3~0 := 0bv32;~IPC~0 := 0bv32;~pended~0 := 0bv32;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32;~routine~0 := 0bv32;~myStatus~0 := 0bv32;~pirp~0 := 0bv32;~Executive~0 := 0bv32;~Suspended~0 := 0bv32;~KernelMode~0 := 0bv32;~DeviceUsageTypePaging~0 := 0bv32; {10754#true} is VALID [2018-11-23 10:49:21,528 INFO L273 TraceCheckUtils]: 2: Hoare triple {10754#true} assume true; {10754#true} is VALID [2018-11-23 10:49:21,528 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {10754#true} {10754#true} #1496#return; {10754#true} is VALID [2018-11-23 10:49:21,528 INFO L256 TraceCheckUtils]: 4: Hoare triple {10754#true} call #t~ret176 := main(); {10754#true} is VALID [2018-11-23 10:49:21,529 INFO L273 TraceCheckUtils]: 5: Hoare triple {10754#true} havoc ~pirp__IoStatus__Status~0;~d~0 := #t~nondet150;havoc #t~nondet150;~status~9 := #t~nondet151;havoc #t~nondet151;~irp~1 := #t~nondet152;havoc #t~nondet152;~we_should_unload~0 := #t~nondet153;havoc #t~nondet153;~irp_choice~0 := #t~nondet154;havoc #t~nondet154;~devobj~0 := #t~nondet155;havoc #t~nondet155;havoc ~__cil_tmp9~1;~s~0 := 0bv32;~UNLOADED~0 := 0bv32;~NP~0 := 0bv32;~DC~0 := 0bv32;~SKIP1~0 := 0bv32;~SKIP2~0 := 0bv32;~MPR1~0 := 0bv32;~MPR3~0 := 0bv32;~IPC~0 := 0bv32;~pended~0 := 0bv32;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32;~routine~0 := 0bv32;~myStatus~0 := 0bv32;~pirp~0 := 0bv32;~Executive~0 := 0bv32;~Suspended~0 := 5bv32;~KernelMode~0 := 0bv32;~DeviceUsageTypePaging~0 := 1bv32;~pirp~0 := ~irp~1; {10754#true} is VALID [2018-11-23 10:49:21,529 INFO L256 TraceCheckUtils]: 6: Hoare triple {10754#true} call _BLAST_init(); {10754#true} is VALID [2018-11-23 10:49:21,529 INFO L273 TraceCheckUtils]: 7: Hoare triple {10754#true} ~UNLOADED~0 := 0bv32;~NP~0 := 1bv32;~DC~0 := 2bv32;~SKIP1~0 := 3bv32;~SKIP2~0 := 4bv32;~MPR1~0 := 5bv32;~MPR3~0 := 6bv32;~IPC~0 := 7bv32;~s~0 := ~UNLOADED~0;~pended~0 := 0bv32;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32; {10754#true} is VALID [2018-11-23 10:49:21,530 INFO L273 TraceCheckUtils]: 8: Hoare triple {10754#true} assume true; {10754#true} is VALID [2018-11-23 10:49:21,530 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {10754#true} {10754#true} #1364#return; {10754#true} is VALID [2018-11-23 10:49:21,530 INFO L273 TraceCheckUtils]: 10: Hoare triple {10754#true} assume ~bvsge32(~status~9, 0bv32);~s~0 := ~NP~0;~customIrp~0 := 0bv32;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0;~pirp__IoStatus__Status~0 := 0bv32;~myStatus~0 := 0bv32; {10754#true} is VALID [2018-11-23 10:49:21,530 INFO L273 TraceCheckUtils]: 11: Hoare triple {10754#true} assume 0bv32 == ~irp_choice~0;~pirp__IoStatus__Status~0 := 3221225659bv32;~myStatus~0 := 3221225659bv32; {10754#true} is VALID [2018-11-23 10:49:21,531 INFO L256 TraceCheckUtils]: 12: Hoare triple {10754#true} call stub_driver_init(); {10754#true} is VALID [2018-11-23 10:49:21,531 INFO L273 TraceCheckUtils]: 13: Hoare triple {10754#true} ~s~0 := ~NP~0;~customIrp~0 := 0bv32;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0; {10754#true} is VALID [2018-11-23 10:49:21,531 INFO L273 TraceCheckUtils]: 14: Hoare triple {10754#true} assume true; {10754#true} is VALID [2018-11-23 10:49:21,532 INFO L268 TraceCheckUtils]: 15: Hoare quadruple {10754#true} {10754#true} #1366#return; {10754#true} is VALID [2018-11-23 10:49:21,532 INFO L273 TraceCheckUtils]: 16: Hoare triple {10754#true} assume !~bvslt32(~status~9, 0bv32);havoc ~tmp_ndt_1~0;~tmp_ndt_1~0 := #t~nondet156;havoc #t~nondet156; {10754#true} is VALID [2018-11-23 10:49:21,532 INFO L273 TraceCheckUtils]: 17: Hoare triple {10754#true} assume !(2bv32 == ~tmp_ndt_1~0);havoc ~tmp_ndt_2~0;~tmp_ndt_2~0 := #t~nondet157;havoc #t~nondet157; {10754#true} is VALID [2018-11-23 10:49:21,532 INFO L273 TraceCheckUtils]: 18: Hoare triple {10754#true} assume 3bv32 == ~tmp_ndt_2~0; {10754#true} is VALID [2018-11-23 10:49:21,533 INFO L256 TraceCheckUtils]: 19: Hoare triple {10754#true} call #t~ret160 := CdAudioPnp(~devobj~0, ~pirp~0); {10754#true} is VALID [2018-11-23 10:49:21,533 INFO L273 TraceCheckUtils]: 20: Hoare triple {10754#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;~Irp__Tail__Overlay__CurrentStackLocation~0 := #t~nondet14;havoc #t~nondet14;~irpSp__MinorFunction~0 := #t~nondet15;havoc #t~nondet15;havoc ~Irp__IoStatus__Status~0;~irpSp__Parameters__UsageNotification__Type~0 := #t~nondet16;havoc #t~nondet16;~deviceExtension__PagingPathCountEvent~0 := #t~nondet17;havoc #t~nondet17;~irpSp__Parameters__UsageNotification__InPath~0 := #t~nondet18;havoc #t~nondet18;~deviceExtension__PagingPathCount~0 := #t~nondet19;havoc #t~nondet19;havoc ~DeviceObject__Flags~0;havoc ~irpSp~0;havoc ~status~2;havoc ~setPagable~0;havoc ~tmp~1;havoc ~tmp___0~0;~irpSp~0 := ~Irp__Tail__Overlay__CurrentStackLocation~0;~status~2 := 3221225659bv32; {10754#true} is VALID [2018-11-23 10:49:21,533 INFO L273 TraceCheckUtils]: 21: Hoare triple {10754#true} assume !(0bv32 == ~irpSp__MinorFunction~0); {10754#true} is VALID [2018-11-23 10:49:21,534 INFO L273 TraceCheckUtils]: 22: Hoare triple {10754#true} assume 22bv32 == ~irpSp__MinorFunction~0; {10754#true} is VALID [2018-11-23 10:49:21,534 INFO L273 TraceCheckUtils]: 23: Hoare triple {10754#true} assume !(~irpSp__Parameters__UsageNotification__Type~0 != ~DeviceUsageTypePaging~0); {10754#true} is VALID [2018-11-23 10:49:21,534 INFO L256 TraceCheckUtils]: 24: Hoare triple {10754#true} call #t~ret22 := KeWaitForSingleObject(~deviceExtension__PagingPathCountEvent~0, ~Executive~0, ~KernelMode~0, 0bv32, 0bv32); {10754#true} is VALID [2018-11-23 10:49:21,534 INFO L273 TraceCheckUtils]: 25: Hoare triple {10754#true} ~Object := #in~Object;~WaitReason := #in~WaitReason;~WaitMode := #in~WaitMode;~Alertable := #in~Alertable;~Timeout := #in~Timeout; {10754#true} is VALID [2018-11-23 10:49:21,547 INFO L273 TraceCheckUtils]: 26: Hoare triple {10754#true} assume !(~s~0 == ~MPR3~0); {10837#(not (= ~MPR3~0 ~s~0))} is VALID [2018-11-23 10:49:21,566 INFO L273 TraceCheckUtils]: 27: Hoare triple {10837#(not (= ~MPR3~0 ~s~0))} assume !(1bv32 == ~customIrp~0); {10837#(not (= ~MPR3~0 ~s~0))} is VALID [2018-11-23 10:49:21,575 INFO L273 TraceCheckUtils]: 28: Hoare triple {10837#(not (= ~MPR3~0 ~s~0))} assume ~s~0 == ~MPR3~0; {10755#false} is VALID [2018-11-23 10:49:21,575 INFO L256 TraceCheckUtils]: 29: Hoare triple {10755#false} call errorFn(); {10755#false} is VALID [2018-11-23 10:49:21,576 INFO L273 TraceCheckUtils]: 30: Hoare triple {10755#false} assume !false; {10755#false} is VALID [2018-11-23 10:49:21,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 10:49:21,578 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 10:49:21,582 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 10:49:21,582 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 10:49:21,582 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2018-11-23 10:49:21,583 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 10:49:21,583 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2018-11-23 10:49:21,813 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 31 edges. 31 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 10:49:21,813 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 10:49:21,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 10:49:21,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 10:49:21,814 INFO L87 Difference]: Start difference. First operand 767 states and 1091 transitions. Second operand 3 states. [2018-11-23 10:49:26,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:49:26,229 INFO L93 Difference]: Finished difference Result 1424 states and 2092 transitions. [2018-11-23 10:49:26,229 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 10:49:26,230 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2018-11-23 10:49:26,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 10:49:26,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 10:49:26,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1276 transitions. [2018-11-23 10:49:26,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 10:49:26,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1276 transitions. [2018-11-23 10:49:26,272 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 1276 transitions. [2018-11-23 10:49:27,961 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 1276 edges. 1276 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 10:49:28,047 INFO L225 Difference]: With dead ends: 1424 [2018-11-23 10:49:28,047 INFO L226 Difference]: Without dead ends: 1160 [2018-11-23 10:49:28,048 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 10:49:28,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1160 states. [2018-11-23 10:49:28,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1160 to 899. [2018-11-23 10:49:28,924 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 10:49:28,924 INFO L82 GeneralOperation]: Start isEquivalent. First operand 1160 states. Second operand 899 states. [2018-11-23 10:49:28,925 INFO L74 IsIncluded]: Start isIncluded. First operand 1160 states. Second operand 899 states. [2018-11-23 10:49:28,925 INFO L87 Difference]: Start difference. First operand 1160 states. Second operand 899 states. [2018-11-23 10:49:29,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:49:29,009 INFO L93 Difference]: Finished difference Result 1160 states and 1708 transitions. [2018-11-23 10:49:29,009 INFO L276 IsEmpty]: Start isEmpty. Operand 1160 states and 1708 transitions. [2018-11-23 10:49:29,015 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 10:49:29,015 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 10:49:29,015 INFO L74 IsIncluded]: Start isIncluded. First operand 899 states. Second operand 1160 states. [2018-11-23 10:49:29,015 INFO L87 Difference]: Start difference. First operand 899 states. Second operand 1160 states. [2018-11-23 10:49:29,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:49:29,096 INFO L93 Difference]: Finished difference Result 1160 states and 1708 transitions. [2018-11-23 10:49:29,096 INFO L276 IsEmpty]: Start isEmpty. Operand 1160 states and 1708 transitions. [2018-11-23 10:49:29,101 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 10:49:29,101 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 10:49:29,101 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 10:49:29,102 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 10:49:29,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 899 states. [2018-11-23 10:49:29,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 899 states and 1323 transitions. [2018-11-23 10:49:29,161 INFO L78 Accepts]: Start accepts. Automaton has 899 states and 1323 transitions. Word has length 31 [2018-11-23 10:49:29,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 10:49:29,162 INFO L480 AbstractCegarLoop]: Abstraction has 899 states and 1323 transitions. [2018-11-23 10:49:29,162 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 10:49:29,162 INFO L276 IsEmpty]: Start isEmpty. Operand 899 states and 1323 transitions. [2018-11-23 10:49:29,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-23 10:49:29,164 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 10:49:29,164 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 10:49:29,165 INFO L423 AbstractCegarLoop]: === Iteration 5 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 10:49:29,165 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 10:49:29,165 INFO L82 PathProgramCache]: Analyzing trace with hash 1932537431, now seen corresponding path program 1 times [2018-11-23 10:49:29,165 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 10:49:29,166 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 6 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 10:49:29,194 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 10:49:29,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:49:29,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:49:29,323 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 10:49:29,441 INFO L256 TraceCheckUtils]: 0: Hoare triple {16195#true} call ULTIMATE.init(); {16195#true} is VALID [2018-11-23 10:49:29,441 INFO L273 TraceCheckUtils]: 1: Hoare triple {16195#true} ~s~0 := 0bv32;~UNLOADED~0 := 0bv32;~NP~0 := 0bv32;~DC~0 := 0bv32;~SKIP1~0 := 0bv32;~SKIP2~0 := 0bv32;~MPR1~0 := 0bv32;~MPR3~0 := 0bv32;~IPC~0 := 0bv32;~pended~0 := 0bv32;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32;~routine~0 := 0bv32;~myStatus~0 := 0bv32;~pirp~0 := 0bv32;~Executive~0 := 0bv32;~Suspended~0 := 0bv32;~KernelMode~0 := 0bv32;~DeviceUsageTypePaging~0 := 0bv32; {16195#true} is VALID [2018-11-23 10:49:29,441 INFO L273 TraceCheckUtils]: 2: Hoare triple {16195#true} assume true; {16195#true} is VALID [2018-11-23 10:49:29,442 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {16195#true} {16195#true} #1496#return; {16195#true} is VALID [2018-11-23 10:49:29,442 INFO L256 TraceCheckUtils]: 4: Hoare triple {16195#true} call #t~ret176 := main(); {16195#true} is VALID [2018-11-23 10:49:29,442 INFO L273 TraceCheckUtils]: 5: Hoare triple {16195#true} havoc ~pirp__IoStatus__Status~0;~d~0 := #t~nondet150;havoc #t~nondet150;~status~9 := #t~nondet151;havoc #t~nondet151;~irp~1 := #t~nondet152;havoc #t~nondet152;~we_should_unload~0 := #t~nondet153;havoc #t~nondet153;~irp_choice~0 := #t~nondet154;havoc #t~nondet154;~devobj~0 := #t~nondet155;havoc #t~nondet155;havoc ~__cil_tmp9~1;~s~0 := 0bv32;~UNLOADED~0 := 0bv32;~NP~0 := 0bv32;~DC~0 := 0bv32;~SKIP1~0 := 0bv32;~SKIP2~0 := 0bv32;~MPR1~0 := 0bv32;~MPR3~0 := 0bv32;~IPC~0 := 0bv32;~pended~0 := 0bv32;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32;~routine~0 := 0bv32;~myStatus~0 := 0bv32;~pirp~0 := 0bv32;~Executive~0 := 0bv32;~Suspended~0 := 5bv32;~KernelMode~0 := 0bv32;~DeviceUsageTypePaging~0 := 1bv32;~pirp~0 := ~irp~1; {16195#true} is VALID [2018-11-23 10:49:29,443 INFO L256 TraceCheckUtils]: 6: Hoare triple {16195#true} call _BLAST_init(); {16195#true} is VALID [2018-11-23 10:49:29,444 INFO L273 TraceCheckUtils]: 7: Hoare triple {16195#true} ~UNLOADED~0 := 0bv32;~NP~0 := 1bv32;~DC~0 := 2bv32;~SKIP1~0 := 3bv32;~SKIP2~0 := 4bv32;~MPR1~0 := 5bv32;~MPR3~0 := 6bv32;~IPC~0 := 7bv32;~s~0 := ~UNLOADED~0;~pended~0 := 0bv32;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32; {16221#(and (= (_ bv1 32) ~NP~0) (= (bvadd ~MPR3~0 (_ bv4294967290 32)) (_ bv0 32)))} is VALID [2018-11-23 10:49:29,444 INFO L273 TraceCheckUtils]: 8: Hoare triple {16221#(and (= (_ bv1 32) ~NP~0) (= (bvadd ~MPR3~0 (_ bv4294967290 32)) (_ bv0 32)))} assume true; {16221#(and (= (_ bv1 32) ~NP~0) (= (bvadd ~MPR3~0 (_ bv4294967290 32)) (_ bv0 32)))} is VALID [2018-11-23 10:49:29,445 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {16221#(and (= (_ bv1 32) ~NP~0) (= (bvadd ~MPR3~0 (_ bv4294967290 32)) (_ bv0 32)))} {16195#true} #1364#return; {16221#(and (= (_ bv1 32) ~NP~0) (= (bvadd ~MPR3~0 (_ bv4294967290 32)) (_ bv0 32)))} is VALID [2018-11-23 10:49:29,446 INFO L273 TraceCheckUtils]: 10: Hoare triple {16221#(and (= (_ bv1 32) ~NP~0) (= (bvadd ~MPR3~0 (_ bv4294967290 32)) (_ bv0 32)))} assume ~bvsge32(~status~9, 0bv32);~s~0 := ~NP~0;~customIrp~0 := 0bv32;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0;~pirp__IoStatus__Status~0 := 0bv32;~myStatus~0 := 0bv32; {16221#(and (= (_ bv1 32) ~NP~0) (= (bvadd ~MPR3~0 (_ bv4294967290 32)) (_ bv0 32)))} is VALID [2018-11-23 10:49:29,446 INFO L273 TraceCheckUtils]: 11: Hoare triple {16221#(and (= (_ bv1 32) ~NP~0) (= (bvadd ~MPR3~0 (_ bv4294967290 32)) (_ bv0 32)))} assume 0bv32 == ~irp_choice~0;~pirp__IoStatus__Status~0 := 3221225659bv32;~myStatus~0 := 3221225659bv32; {16221#(and (= (_ bv1 32) ~NP~0) (= (bvadd ~MPR3~0 (_ bv4294967290 32)) (_ bv0 32)))} is VALID [2018-11-23 10:49:29,447 INFO L256 TraceCheckUtils]: 12: Hoare triple {16221#(and (= (_ bv1 32) ~NP~0) (= (bvadd ~MPR3~0 (_ bv4294967290 32)) (_ bv0 32)))} call stub_driver_init(); {16221#(and (= (_ bv1 32) ~NP~0) (= (bvadd ~MPR3~0 (_ bv4294967290 32)) (_ bv0 32)))} is VALID [2018-11-23 10:49:29,447 INFO L273 TraceCheckUtils]: 13: Hoare triple {16221#(and (= (_ bv1 32) ~NP~0) (= (bvadd ~MPR3~0 (_ bv4294967290 32)) (_ bv0 32)))} ~s~0 := ~NP~0;~customIrp~0 := 0bv32;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0; {16240#(and (= (_ bv1 32) ~NP~0) (= ~NP~0 ~s~0) (= (bvadd ~MPR3~0 (_ bv4294967290 32)) (_ bv0 32)))} is VALID [2018-11-23 10:49:29,448 INFO L273 TraceCheckUtils]: 14: Hoare triple {16240#(and (= (_ bv1 32) ~NP~0) (= ~NP~0 ~s~0) (= (bvadd ~MPR3~0 (_ bv4294967290 32)) (_ bv0 32)))} assume true; {16240#(and (= (_ bv1 32) ~NP~0) (= ~NP~0 ~s~0) (= (bvadd ~MPR3~0 (_ bv4294967290 32)) (_ bv0 32)))} is VALID [2018-11-23 10:49:29,464 INFO L268 TraceCheckUtils]: 15: Hoare quadruple {16240#(and (= (_ bv1 32) ~NP~0) (= ~NP~0 ~s~0) (= (bvadd ~MPR3~0 (_ bv4294967290 32)) (_ bv0 32)))} {16221#(and (= (_ bv1 32) ~NP~0) (= (bvadd ~MPR3~0 (_ bv4294967290 32)) (_ bv0 32)))} #1366#return; {16247#(and (= (_ bv1 32) ~s~0) (= (bvadd ~MPR3~0 (_ bv4294967290 32)) (_ bv0 32)))} is VALID [2018-11-23 10:49:29,465 INFO L273 TraceCheckUtils]: 16: Hoare triple {16247#(and (= (_ bv1 32) ~s~0) (= (bvadd ~MPR3~0 (_ bv4294967290 32)) (_ bv0 32)))} assume !~bvslt32(~status~9, 0bv32);havoc ~tmp_ndt_1~0;~tmp_ndt_1~0 := #t~nondet156;havoc #t~nondet156; {16247#(and (= (_ bv1 32) ~s~0) (= (bvadd ~MPR3~0 (_ bv4294967290 32)) (_ bv0 32)))} is VALID [2018-11-23 10:49:29,466 INFO L273 TraceCheckUtils]: 17: Hoare triple {16247#(and (= (_ bv1 32) ~s~0) (= (bvadd ~MPR3~0 (_ bv4294967290 32)) (_ bv0 32)))} assume !(2bv32 == ~tmp_ndt_1~0);havoc ~tmp_ndt_2~0;~tmp_ndt_2~0 := #t~nondet157;havoc #t~nondet157; {16247#(and (= (_ bv1 32) ~s~0) (= (bvadd ~MPR3~0 (_ bv4294967290 32)) (_ bv0 32)))} is VALID [2018-11-23 10:49:29,468 INFO L273 TraceCheckUtils]: 18: Hoare triple {16247#(and (= (_ bv1 32) ~s~0) (= (bvadd ~MPR3~0 (_ bv4294967290 32)) (_ bv0 32)))} assume 3bv32 == ~tmp_ndt_2~0; {16247#(and (= (_ bv1 32) ~s~0) (= (bvadd ~MPR3~0 (_ bv4294967290 32)) (_ bv0 32)))} is VALID [2018-11-23 10:49:29,471 INFO L256 TraceCheckUtils]: 19: Hoare triple {16247#(and (= (_ bv1 32) ~s~0) (= (bvadd ~MPR3~0 (_ bv4294967290 32)) (_ bv0 32)))} call #t~ret160 := CdAudioPnp(~devobj~0, ~pirp~0); {16247#(and (= (_ bv1 32) ~s~0) (= (bvadd ~MPR3~0 (_ bv4294967290 32)) (_ bv0 32)))} is VALID [2018-11-23 10:49:29,471 INFO L273 TraceCheckUtils]: 20: Hoare triple {16247#(and (= (_ bv1 32) ~s~0) (= (bvadd ~MPR3~0 (_ bv4294967290 32)) (_ bv0 32)))} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;~Irp__Tail__Overlay__CurrentStackLocation~0 := #t~nondet14;havoc #t~nondet14;~irpSp__MinorFunction~0 := #t~nondet15;havoc #t~nondet15;havoc ~Irp__IoStatus__Status~0;~irpSp__Parameters__UsageNotification__Type~0 := #t~nondet16;havoc #t~nondet16;~deviceExtension__PagingPathCountEvent~0 := #t~nondet17;havoc #t~nondet17;~irpSp__Parameters__UsageNotification__InPath~0 := #t~nondet18;havoc #t~nondet18;~deviceExtension__PagingPathCount~0 := #t~nondet19;havoc #t~nondet19;havoc ~DeviceObject__Flags~0;havoc ~irpSp~0;havoc ~status~2;havoc ~setPagable~0;havoc ~tmp~1;havoc ~tmp___0~0;~irpSp~0 := ~Irp__Tail__Overlay__CurrentStackLocation~0;~status~2 := 3221225659bv32; {16247#(and (= (_ bv1 32) ~s~0) (= (bvadd ~MPR3~0 (_ bv4294967290 32)) (_ bv0 32)))} is VALID [2018-11-23 10:49:29,472 INFO L273 TraceCheckUtils]: 21: Hoare triple {16247#(and (= (_ bv1 32) ~s~0) (= (bvadd ~MPR3~0 (_ bv4294967290 32)) (_ bv0 32)))} assume !(0bv32 == ~irpSp__MinorFunction~0); {16247#(and (= (_ bv1 32) ~s~0) (= (bvadd ~MPR3~0 (_ bv4294967290 32)) (_ bv0 32)))} is VALID [2018-11-23 10:49:29,475 INFO L273 TraceCheckUtils]: 22: Hoare triple {16247#(and (= (_ bv1 32) ~s~0) (= (bvadd ~MPR3~0 (_ bv4294967290 32)) (_ bv0 32)))} assume 22bv32 == ~irpSp__MinorFunction~0; {16247#(and (= (_ bv1 32) ~s~0) (= (bvadd ~MPR3~0 (_ bv4294967290 32)) (_ bv0 32)))} is VALID [2018-11-23 10:49:29,476 INFO L273 TraceCheckUtils]: 23: Hoare triple {16247#(and (= (_ bv1 32) ~s~0) (= (bvadd ~MPR3~0 (_ bv4294967290 32)) (_ bv0 32)))} assume !(~irpSp__Parameters__UsageNotification__Type~0 != ~DeviceUsageTypePaging~0); {16247#(and (= (_ bv1 32) ~s~0) (= (bvadd ~MPR3~0 (_ bv4294967290 32)) (_ bv0 32)))} is VALID [2018-11-23 10:49:29,477 INFO L256 TraceCheckUtils]: 24: Hoare triple {16247#(and (= (_ bv1 32) ~s~0) (= (bvadd ~MPR3~0 (_ bv4294967290 32)) (_ bv0 32)))} call #t~ret22 := KeWaitForSingleObject(~deviceExtension__PagingPathCountEvent~0, ~Executive~0, ~KernelMode~0, 0bv32, 0bv32); {16247#(and (= (_ bv1 32) ~s~0) (= (bvadd ~MPR3~0 (_ bv4294967290 32)) (_ bv0 32)))} is VALID [2018-11-23 10:49:29,477 INFO L273 TraceCheckUtils]: 25: Hoare triple {16247#(and (= (_ bv1 32) ~s~0) (= (bvadd ~MPR3~0 (_ bv4294967290 32)) (_ bv0 32)))} ~Object := #in~Object;~WaitReason := #in~WaitReason;~WaitMode := #in~WaitMode;~Alertable := #in~Alertable;~Timeout := #in~Timeout; {16247#(and (= (_ bv1 32) ~s~0) (= (bvadd ~MPR3~0 (_ bv4294967290 32)) (_ bv0 32)))} is VALID [2018-11-23 10:49:29,478 INFO L273 TraceCheckUtils]: 26: Hoare triple {16247#(and (= (_ bv1 32) ~s~0) (= (bvadd ~MPR3~0 (_ bv4294967290 32)) (_ bv0 32)))} assume ~s~0 == ~MPR3~0; {16196#false} is VALID [2018-11-23 10:49:29,478 INFO L273 TraceCheckUtils]: 27: Hoare triple {16196#false} assume !(1bv32 == ~setEventCalled~0); {16196#false} is VALID [2018-11-23 10:49:29,478 INFO L273 TraceCheckUtils]: 28: Hoare triple {16196#false} assume !(1bv32 == ~customIrp~0); {16196#false} is VALID [2018-11-23 10:49:29,479 INFO L273 TraceCheckUtils]: 29: Hoare triple {16196#false} assume ~s~0 == ~MPR3~0; {16196#false} is VALID [2018-11-23 10:49:29,479 INFO L256 TraceCheckUtils]: 30: Hoare triple {16196#false} call errorFn(); {16196#false} is VALID [2018-11-23 10:49:29,479 INFO L273 TraceCheckUtils]: 31: Hoare triple {16196#false} assume !false; {16196#false} is VALID [2018-11-23 10:49:29,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 10:49:29,484 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 10:49:29,488 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 10:49:29,488 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 10:49:29,489 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2018-11-23 10:49:29,489 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 10:49:29,489 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2018-11-23 10:49:29,560 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 10:49:29,560 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 10:49:29,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 10:49:29,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 10:49:29,561 INFO L87 Difference]: Start difference. First operand 899 states and 1323 transitions. Second operand 5 states. [2018-11-23 10:49:38,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:49:38,097 INFO L93 Difference]: Finished difference Result 1487 states and 2203 transitions. [2018-11-23 10:49:38,097 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 10:49:38,098 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2018-11-23 10:49:38,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 10:49:38,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-23 10:49:38,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1337 transitions. [2018-11-23 10:49:38,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-23 10:49:38,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1337 transitions. [2018-11-23 10:49:38,133 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 1337 transitions. [2018-11-23 10:49:40,851 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 1337 edges. 1337 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 10:49:40,914 INFO L225 Difference]: With dead ends: 1487 [2018-11-23 10:49:40,914 INFO L226 Difference]: Without dead ends: 909 [2018-11-23 10:49:40,916 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 10:49:40,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 909 states. [2018-11-23 10:49:42,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 909 to 887. [2018-11-23 10:49:42,605 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 10:49:42,605 INFO L82 GeneralOperation]: Start isEquivalent. First operand 909 states. Second operand 887 states. [2018-11-23 10:49:42,605 INFO L74 IsIncluded]: Start isIncluded. First operand 909 states. Second operand 887 states. [2018-11-23 10:49:42,605 INFO L87 Difference]: Start difference. First operand 909 states. Second operand 887 states. [2018-11-23 10:49:42,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:49:42,657 INFO L93 Difference]: Finished difference Result 909 states and 1329 transitions. [2018-11-23 10:49:42,657 INFO L276 IsEmpty]: Start isEmpty. Operand 909 states and 1329 transitions. [2018-11-23 10:49:42,661 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 10:49:42,661 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 10:49:42,661 INFO L74 IsIncluded]: Start isIncluded. First operand 887 states. Second operand 909 states. [2018-11-23 10:49:42,662 INFO L87 Difference]: Start difference. First operand 887 states. Second operand 909 states. [2018-11-23 10:49:42,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:49:42,719 INFO L93 Difference]: Finished difference Result 909 states and 1329 transitions. [2018-11-23 10:49:42,719 INFO L276 IsEmpty]: Start isEmpty. Operand 909 states and 1329 transitions. [2018-11-23 10:49:42,723 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 10:49:42,724 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 10:49:42,724 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 10:49:42,724 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 10:49:42,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 887 states. [2018-11-23 10:49:42,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 887 states and 1299 transitions. [2018-11-23 10:49:42,785 INFO L78 Accepts]: Start accepts. Automaton has 887 states and 1299 transitions. Word has length 32 [2018-11-23 10:49:42,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 10:49:42,786 INFO L480 AbstractCegarLoop]: Abstraction has 887 states and 1299 transitions. [2018-11-23 10:49:42,786 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 10:49:42,786 INFO L276 IsEmpty]: Start isEmpty. Operand 887 states and 1299 transitions. [2018-11-23 10:49:42,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-23 10:49:42,788 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 10:49:42,788 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 10:49:42,788 INFO L423 AbstractCegarLoop]: === Iteration 6 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 10:49:42,789 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 10:49:42,789 INFO L82 PathProgramCache]: Analyzing trace with hash -487494679, now seen corresponding path program 1 times [2018-11-23 10:49:42,789 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 10:49:42,789 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 7 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 10:49:42,815 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 10:49:42,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:49:42,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:49:42,955 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 10:49:43,131 INFO L256 TraceCheckUtils]: 0: Hoare triple {21173#true} call ULTIMATE.init(); {21173#true} is VALID [2018-11-23 10:49:43,132 INFO L273 TraceCheckUtils]: 1: Hoare triple {21173#true} ~s~0 := 0bv32;~UNLOADED~0 := 0bv32;~NP~0 := 0bv32;~DC~0 := 0bv32;~SKIP1~0 := 0bv32;~SKIP2~0 := 0bv32;~MPR1~0 := 0bv32;~MPR3~0 := 0bv32;~IPC~0 := 0bv32;~pended~0 := 0bv32;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32;~routine~0 := 0bv32;~myStatus~0 := 0bv32;~pirp~0 := 0bv32;~Executive~0 := 0bv32;~Suspended~0 := 0bv32;~KernelMode~0 := 0bv32;~DeviceUsageTypePaging~0 := 0bv32; {21173#true} is VALID [2018-11-23 10:49:43,132 INFO L273 TraceCheckUtils]: 2: Hoare triple {21173#true} assume true; {21173#true} is VALID [2018-11-23 10:49:43,132 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {21173#true} {21173#true} #1496#return; {21173#true} is VALID [2018-11-23 10:49:43,132 INFO L256 TraceCheckUtils]: 4: Hoare triple {21173#true} call #t~ret176 := main(); {21173#true} is VALID [2018-11-23 10:49:43,133 INFO L273 TraceCheckUtils]: 5: Hoare triple {21173#true} havoc ~pirp__IoStatus__Status~0;~d~0 := #t~nondet150;havoc #t~nondet150;~status~9 := #t~nondet151;havoc #t~nondet151;~irp~1 := #t~nondet152;havoc #t~nondet152;~we_should_unload~0 := #t~nondet153;havoc #t~nondet153;~irp_choice~0 := #t~nondet154;havoc #t~nondet154;~devobj~0 := #t~nondet155;havoc #t~nondet155;havoc ~__cil_tmp9~1;~s~0 := 0bv32;~UNLOADED~0 := 0bv32;~NP~0 := 0bv32;~DC~0 := 0bv32;~SKIP1~0 := 0bv32;~SKIP2~0 := 0bv32;~MPR1~0 := 0bv32;~MPR3~0 := 0bv32;~IPC~0 := 0bv32;~pended~0 := 0bv32;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32;~routine~0 := 0bv32;~myStatus~0 := 0bv32;~pirp~0 := 0bv32;~Executive~0 := 0bv32;~Suspended~0 := 5bv32;~KernelMode~0 := 0bv32;~DeviceUsageTypePaging~0 := 1bv32;~pirp~0 := ~irp~1; {21173#true} is VALID [2018-11-23 10:49:43,133 INFO L256 TraceCheckUtils]: 6: Hoare triple {21173#true} call _BLAST_init(); {21173#true} is VALID [2018-11-23 10:49:43,133 INFO L273 TraceCheckUtils]: 7: Hoare triple {21173#true} ~UNLOADED~0 := 0bv32;~NP~0 := 1bv32;~DC~0 := 2bv32;~SKIP1~0 := 3bv32;~SKIP2~0 := 4bv32;~MPR1~0 := 5bv32;~MPR3~0 := 6bv32;~IPC~0 := 7bv32;~s~0 := ~UNLOADED~0;~pended~0 := 0bv32;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32; {21173#true} is VALID [2018-11-23 10:49:43,134 INFO L273 TraceCheckUtils]: 8: Hoare triple {21173#true} assume true; {21173#true} is VALID [2018-11-23 10:49:43,134 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {21173#true} {21173#true} #1364#return; {21173#true} is VALID [2018-11-23 10:49:43,134 INFO L273 TraceCheckUtils]: 10: Hoare triple {21173#true} assume ~bvsge32(~status~9, 0bv32);~s~0 := ~NP~0;~customIrp~0 := 0bv32;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0;~pirp__IoStatus__Status~0 := 0bv32;~myStatus~0 := 0bv32; {21173#true} is VALID [2018-11-23 10:49:43,134 INFO L273 TraceCheckUtils]: 11: Hoare triple {21173#true} assume 0bv32 == ~irp_choice~0;~pirp__IoStatus__Status~0 := 3221225659bv32;~myStatus~0 := 3221225659bv32; {21173#true} is VALID [2018-11-23 10:49:43,134 INFO L256 TraceCheckUtils]: 12: Hoare triple {21173#true} call stub_driver_init(); {21173#true} is VALID [2018-11-23 10:49:43,135 INFO L273 TraceCheckUtils]: 13: Hoare triple {21173#true} ~s~0 := ~NP~0;~customIrp~0 := 0bv32;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0; {21173#true} is VALID [2018-11-23 10:49:43,135 INFO L273 TraceCheckUtils]: 14: Hoare triple {21173#true} assume true; {21173#true} is VALID [2018-11-23 10:49:43,135 INFO L268 TraceCheckUtils]: 15: Hoare quadruple {21173#true} {21173#true} #1366#return; {21173#true} is VALID [2018-11-23 10:49:43,135 INFO L273 TraceCheckUtils]: 16: Hoare triple {21173#true} assume !~bvslt32(~status~9, 0bv32);havoc ~tmp_ndt_1~0;~tmp_ndt_1~0 := #t~nondet156;havoc #t~nondet156; {21173#true} is VALID [2018-11-23 10:49:43,135 INFO L273 TraceCheckUtils]: 17: Hoare triple {21173#true} assume !(2bv32 == ~tmp_ndt_1~0);havoc ~tmp_ndt_2~0;~tmp_ndt_2~0 := #t~nondet157;havoc #t~nondet157; {21173#true} is VALID [2018-11-23 10:49:43,136 INFO L273 TraceCheckUtils]: 18: Hoare triple {21173#true} assume 3bv32 == ~tmp_ndt_2~0; {21173#true} is VALID [2018-11-23 10:49:43,136 INFO L256 TraceCheckUtils]: 19: Hoare triple {21173#true} call #t~ret160 := CdAudioPnp(~devobj~0, ~pirp~0); {21173#true} is VALID [2018-11-23 10:49:43,136 INFO L273 TraceCheckUtils]: 20: Hoare triple {21173#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;~Irp__Tail__Overlay__CurrentStackLocation~0 := #t~nondet14;havoc #t~nondet14;~irpSp__MinorFunction~0 := #t~nondet15;havoc #t~nondet15;havoc ~Irp__IoStatus__Status~0;~irpSp__Parameters__UsageNotification__Type~0 := #t~nondet16;havoc #t~nondet16;~deviceExtension__PagingPathCountEvent~0 := #t~nondet17;havoc #t~nondet17;~irpSp__Parameters__UsageNotification__InPath~0 := #t~nondet18;havoc #t~nondet18;~deviceExtension__PagingPathCount~0 := #t~nondet19;havoc #t~nondet19;havoc ~DeviceObject__Flags~0;havoc ~irpSp~0;havoc ~status~2;havoc ~setPagable~0;havoc ~tmp~1;havoc ~tmp___0~0;~irpSp~0 := ~Irp__Tail__Overlay__CurrentStackLocation~0;~status~2 := 3221225659bv32; {21173#true} is VALID [2018-11-23 10:49:43,136 INFO L273 TraceCheckUtils]: 21: Hoare triple {21173#true} assume !(0bv32 == ~irpSp__MinorFunction~0); {21173#true} is VALID [2018-11-23 10:49:43,136 INFO L273 TraceCheckUtils]: 22: Hoare triple {21173#true} assume !(22bv32 == ~irpSp__MinorFunction~0); {21173#true} is VALID [2018-11-23 10:49:43,136 INFO L256 TraceCheckUtils]: 23: Hoare triple {21173#true} call #t~ret25 := CdAudioSendToNextDriver(~DeviceObject, ~Irp); {21173#true} is VALID [2018-11-23 10:49:43,137 INFO L273 TraceCheckUtils]: 24: Hoare triple {21173#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;~Irp__CurrentLocation~0 := #t~nondet32;havoc #t~nondet32;~Irp__Tail__Overlay__CurrentStackLocation~1 := #t~nondet33;havoc #t~nondet33;~deviceExtension__TargetDeviceObject~0 := #t~nondet34;havoc #t~nondet34;havoc ~tmp~2; {21173#true} is VALID [2018-11-23 10:49:43,137 INFO L273 TraceCheckUtils]: 25: Hoare triple {21173#true} assume ~s~0 == ~NP~0;~s~0 := ~SKIP1~0; {21253#(= ~SKIP1~0 ~s~0)} is VALID [2018-11-23 10:49:43,137 INFO L273 TraceCheckUtils]: 26: Hoare triple {21253#(= ~SKIP1~0 ~s~0)} #t~post35 := ~Irp__CurrentLocation~0;~Irp__CurrentLocation~0 := ~bvadd32(1bv32, #t~post35);havoc #t~post35;#t~post36 := ~Irp__Tail__Overlay__CurrentStackLocation~1;~Irp__Tail__Overlay__CurrentStackLocation~1 := ~bvadd32(1bv32, #t~post36);havoc #t~post36; {21253#(= ~SKIP1~0 ~s~0)} is VALID [2018-11-23 10:49:43,138 INFO L256 TraceCheckUtils]: 27: Hoare triple {21253#(= ~SKIP1~0 ~s~0)} call #t~ret37 := IofCallDriver(~deviceExtension__TargetDeviceObject~0, ~Irp); {21253#(= ~SKIP1~0 ~s~0)} is VALID [2018-11-23 10:49:43,155 INFO L273 TraceCheckUtils]: 28: Hoare triple {21253#(= ~SKIP1~0 ~s~0)} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;~Irp__PendingReturned~1 := #t~nondet162;havoc #t~nondet162;havoc ~returnVal2~0;havoc ~compRetStatus~0;~lcontext~0 := #t~nondet163;havoc #t~nondet163;havoc ~__cil_tmp8~1; {21253#(= ~SKIP1~0 ~s~0)} is VALID [2018-11-23 10:49:43,164 INFO L273 TraceCheckUtils]: 29: Hoare triple {21253#(= ~SKIP1~0 ~s~0)} assume !(0bv32 != ~compRegistered~0); {21253#(= ~SKIP1~0 ~s~0)} is VALID [2018-11-23 10:49:43,177 INFO L273 TraceCheckUtils]: 30: Hoare triple {21253#(= ~SKIP1~0 ~s~0)} assume 0bv32 != ~Irp__PendingReturned~1;~returnVal2~0 := 259bv32; {21253#(= ~SKIP1~0 ~s~0)} is VALID [2018-11-23 10:49:43,187 INFO L273 TraceCheckUtils]: 31: Hoare triple {21253#(= ~SKIP1~0 ~s~0)} assume !(~s~0 == ~NP~0); {21253#(= ~SKIP1~0 ~s~0)} is VALID [2018-11-23 10:49:43,188 INFO L273 TraceCheckUtils]: 32: Hoare triple {21253#(= ~SKIP1~0 ~s~0)} assume !(~s~0 == ~MPR1~0); {21253#(= ~SKIP1~0 ~s~0)} is VALID [2018-11-23 10:49:43,189 INFO L273 TraceCheckUtils]: 33: Hoare triple {21253#(= ~SKIP1~0 ~s~0)} assume !(~s~0 == ~SKIP1~0); {21174#false} is VALID [2018-11-23 10:49:43,189 INFO L256 TraceCheckUtils]: 34: Hoare triple {21174#false} call errorFn(); {21174#false} is VALID [2018-11-23 10:49:43,189 INFO L273 TraceCheckUtils]: 35: Hoare triple {21174#false} assume !false; {21174#false} is VALID [2018-11-23 10:49:43,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 10:49:43,190 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 10:49:43,193 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 10:49:43,193 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 10:49:43,194 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2018-11-23 10:49:43,194 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 10:49:43,194 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2018-11-23 10:49:43,239 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 36 edges. 36 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 10:49:43,240 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 10:49:43,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 10:49:43,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 10:49:43,240 INFO L87 Difference]: Start difference. First operand 887 states and 1299 transitions. Second operand 3 states. [2018-11-23 10:49:46,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:49:46,513 INFO L93 Difference]: Finished difference Result 890 states and 1301 transitions. [2018-11-23 10:49:46,513 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 10:49:46,513 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2018-11-23 10:49:46,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 10:49:46,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 10:49:46,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 728 transitions. [2018-11-23 10:49:46,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 10:49:46,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 728 transitions. [2018-11-23 10:49:46,531 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 728 transitions. [2018-11-23 10:49:47,380 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 728 edges. 728 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 10:49:47,430 INFO L225 Difference]: With dead ends: 890 [2018-11-23 10:49:47,430 INFO L226 Difference]: Without dead ends: 886 [2018-11-23 10:49:47,431 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 10:49:47,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 886 states. [2018-11-23 10:49:50,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 886 to 886. [2018-11-23 10:49:50,066 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 10:49:50,066 INFO L82 GeneralOperation]: Start isEquivalent. First operand 886 states. Second operand 886 states. [2018-11-23 10:49:50,066 INFO L74 IsIncluded]: Start isIncluded. First operand 886 states. Second operand 886 states. [2018-11-23 10:49:50,066 INFO L87 Difference]: Start difference. First operand 886 states. Second operand 886 states. [2018-11-23 10:49:50,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:49:50,112 INFO L93 Difference]: Finished difference Result 886 states and 1296 transitions. [2018-11-23 10:49:50,112 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1296 transitions. [2018-11-23 10:49:50,116 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 10:49:50,116 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 10:49:50,116 INFO L74 IsIncluded]: Start isIncluded. First operand 886 states. Second operand 886 states. [2018-11-23 10:49:50,117 INFO L87 Difference]: Start difference. First operand 886 states. Second operand 886 states. [2018-11-23 10:49:50,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:49:50,168 INFO L93 Difference]: Finished difference Result 886 states and 1296 transitions. [2018-11-23 10:49:50,168 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1296 transitions. [2018-11-23 10:49:50,171 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 10:49:50,172 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 10:49:50,172 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 10:49:50,172 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 10:49:50,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 886 states. [2018-11-23 10:49:50,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 886 states and 1296 transitions. [2018-11-23 10:49:50,232 INFO L78 Accepts]: Start accepts. Automaton has 886 states and 1296 transitions. Word has length 36 [2018-11-23 10:49:50,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 10:49:50,233 INFO L480 AbstractCegarLoop]: Abstraction has 886 states and 1296 transitions. [2018-11-23 10:49:50,233 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 10:49:50,233 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1296 transitions. [2018-11-23 10:49:50,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-23 10:49:50,235 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 10:49:50,235 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 10:49:50,235 INFO L423 AbstractCegarLoop]: === Iteration 7 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 10:49:50,236 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 10:49:50,236 INFO L82 PathProgramCache]: Analyzing trace with hash -1261036943, now seen corresponding path program 1 times [2018-11-23 10:49:50,236 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 10:49:50,236 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 8 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 10:49:50,265 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 10:49:50,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:49:50,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:49:50,404 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 10:49:50,492 INFO L256 TraceCheckUtils]: 0: Hoare triple {25352#true} call ULTIMATE.init(); {25352#true} is VALID [2018-11-23 10:49:50,492 INFO L273 TraceCheckUtils]: 1: Hoare triple {25352#true} ~s~0 := 0bv32;~UNLOADED~0 := 0bv32;~NP~0 := 0bv32;~DC~0 := 0bv32;~SKIP1~0 := 0bv32;~SKIP2~0 := 0bv32;~MPR1~0 := 0bv32;~MPR3~0 := 0bv32;~IPC~0 := 0bv32;~pended~0 := 0bv32;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32;~routine~0 := 0bv32;~myStatus~0 := 0bv32;~pirp~0 := 0bv32;~Executive~0 := 0bv32;~Suspended~0 := 0bv32;~KernelMode~0 := 0bv32;~DeviceUsageTypePaging~0 := 0bv32; {25352#true} is VALID [2018-11-23 10:49:50,492 INFO L273 TraceCheckUtils]: 2: Hoare triple {25352#true} assume true; {25352#true} is VALID [2018-11-23 10:49:50,493 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {25352#true} {25352#true} #1496#return; {25352#true} is VALID [2018-11-23 10:49:50,493 INFO L256 TraceCheckUtils]: 4: Hoare triple {25352#true} call #t~ret176 := main(); {25352#true} is VALID [2018-11-23 10:49:50,493 INFO L273 TraceCheckUtils]: 5: Hoare triple {25352#true} havoc ~pirp__IoStatus__Status~0;~d~0 := #t~nondet150;havoc #t~nondet150;~status~9 := #t~nondet151;havoc #t~nondet151;~irp~1 := #t~nondet152;havoc #t~nondet152;~we_should_unload~0 := #t~nondet153;havoc #t~nondet153;~irp_choice~0 := #t~nondet154;havoc #t~nondet154;~devobj~0 := #t~nondet155;havoc #t~nondet155;havoc ~__cil_tmp9~1;~s~0 := 0bv32;~UNLOADED~0 := 0bv32;~NP~0 := 0bv32;~DC~0 := 0bv32;~SKIP1~0 := 0bv32;~SKIP2~0 := 0bv32;~MPR1~0 := 0bv32;~MPR3~0 := 0bv32;~IPC~0 := 0bv32;~pended~0 := 0bv32;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32;~routine~0 := 0bv32;~myStatus~0 := 0bv32;~pirp~0 := 0bv32;~Executive~0 := 0bv32;~Suspended~0 := 5bv32;~KernelMode~0 := 0bv32;~DeviceUsageTypePaging~0 := 1bv32;~pirp~0 := ~irp~1; {25352#true} is VALID [2018-11-23 10:49:50,493 INFO L256 TraceCheckUtils]: 6: Hoare triple {25352#true} call _BLAST_init(); {25352#true} is VALID [2018-11-23 10:49:50,493 INFO L273 TraceCheckUtils]: 7: Hoare triple {25352#true} ~UNLOADED~0 := 0bv32;~NP~0 := 1bv32;~DC~0 := 2bv32;~SKIP1~0 := 3bv32;~SKIP2~0 := 4bv32;~MPR1~0 := 5bv32;~MPR3~0 := 6bv32;~IPC~0 := 7bv32;~s~0 := ~UNLOADED~0;~pended~0 := 0bv32;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32; {25352#true} is VALID [2018-11-23 10:49:50,494 INFO L273 TraceCheckUtils]: 8: Hoare triple {25352#true} assume true; {25352#true} is VALID [2018-11-23 10:49:50,494 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {25352#true} {25352#true} #1364#return; {25352#true} is VALID [2018-11-23 10:49:50,494 INFO L273 TraceCheckUtils]: 10: Hoare triple {25352#true} assume ~bvsge32(~status~9, 0bv32);~s~0 := ~NP~0;~customIrp~0 := 0bv32;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0;~pirp__IoStatus__Status~0 := 0bv32;~myStatus~0 := 0bv32; {25352#true} is VALID [2018-11-23 10:49:50,494 INFO L273 TraceCheckUtils]: 11: Hoare triple {25352#true} assume 0bv32 == ~irp_choice~0;~pirp__IoStatus__Status~0 := 3221225659bv32;~myStatus~0 := 3221225659bv32; {25352#true} is VALID [2018-11-23 10:49:50,494 INFO L256 TraceCheckUtils]: 12: Hoare triple {25352#true} call stub_driver_init(); {25352#true} is VALID [2018-11-23 10:49:50,494 INFO L273 TraceCheckUtils]: 13: Hoare triple {25352#true} ~s~0 := ~NP~0;~customIrp~0 := 0bv32;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0; {25352#true} is VALID [2018-11-23 10:49:50,495 INFO L273 TraceCheckUtils]: 14: Hoare triple {25352#true} assume true; {25352#true} is VALID [2018-11-23 10:49:50,495 INFO L268 TraceCheckUtils]: 15: Hoare quadruple {25352#true} {25352#true} #1366#return; {25352#true} is VALID [2018-11-23 10:49:50,495 INFO L273 TraceCheckUtils]: 16: Hoare triple {25352#true} assume !~bvslt32(~status~9, 0bv32);havoc ~tmp_ndt_1~0;~tmp_ndt_1~0 := #t~nondet156;havoc #t~nondet156; {25352#true} is VALID [2018-11-23 10:49:50,495 INFO L273 TraceCheckUtils]: 17: Hoare triple {25352#true} assume !(2bv32 == ~tmp_ndt_1~0);havoc ~tmp_ndt_2~0;~tmp_ndt_2~0 := #t~nondet157;havoc #t~nondet157; {25352#true} is VALID [2018-11-23 10:49:50,495 INFO L273 TraceCheckUtils]: 18: Hoare triple {25352#true} assume 3bv32 == ~tmp_ndt_2~0; {25352#true} is VALID [2018-11-23 10:49:50,495 INFO L256 TraceCheckUtils]: 19: Hoare triple {25352#true} call #t~ret160 := CdAudioPnp(~devobj~0, ~pirp~0); {25352#true} is VALID [2018-11-23 10:49:50,496 INFO L273 TraceCheckUtils]: 20: Hoare triple {25352#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;~Irp__Tail__Overlay__CurrentStackLocation~0 := #t~nondet14;havoc #t~nondet14;~irpSp__MinorFunction~0 := #t~nondet15;havoc #t~nondet15;havoc ~Irp__IoStatus__Status~0;~irpSp__Parameters__UsageNotification__Type~0 := #t~nondet16;havoc #t~nondet16;~deviceExtension__PagingPathCountEvent~0 := #t~nondet17;havoc #t~nondet17;~irpSp__Parameters__UsageNotification__InPath~0 := #t~nondet18;havoc #t~nondet18;~deviceExtension__PagingPathCount~0 := #t~nondet19;havoc #t~nondet19;havoc ~DeviceObject__Flags~0;havoc ~irpSp~0;havoc ~status~2;havoc ~setPagable~0;havoc ~tmp~1;havoc ~tmp___0~0;~irpSp~0 := ~Irp__Tail__Overlay__CurrentStackLocation~0;~status~2 := 3221225659bv32; {25352#true} is VALID [2018-11-23 10:49:50,496 INFO L273 TraceCheckUtils]: 21: Hoare triple {25352#true} assume 0bv32 == ~irpSp__MinorFunction~0; {25352#true} is VALID [2018-11-23 10:49:50,496 INFO L256 TraceCheckUtils]: 22: Hoare triple {25352#true} call #t~ret20 := CdAudioStartDevice(~DeviceObject, ~Irp); {25352#true} is VALID [2018-11-23 10:49:50,496 INFO L273 TraceCheckUtils]: 23: Hoare triple {25352#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;~deviceExtension__Active~0 := #t~nondet5;havoc #t~nondet5;~deviceExtension~0 := #t~nondet6;havoc #t~nondet6;havoc ~status~1;~srb~0 := #t~nondet7;havoc #t~nondet7;~srb__Cdb~0 := #t~nondet8;havoc #t~nondet8;havoc ~cdb~0;havoc ~inquiryDataPtr~0;havoc ~attempt~0;havoc ~tmp~0;~deviceParameterHandle~0 := #t~nondet9;havoc #t~nondet9;havoc ~keyValue~0; {25352#true} is VALID [2018-11-23 10:49:50,496 INFO L256 TraceCheckUtils]: 24: Hoare triple {25352#true} call #t~ret10 := CdAudioForwardIrpSynchronous(~DeviceObject, ~Irp); {25352#true} is VALID [2018-11-23 10:49:50,497 INFO L273 TraceCheckUtils]: 25: Hoare triple {25352#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;~deviceExtension__TargetDeviceObject~3 := #t~nondet140;havoc #t~nondet140;~event~2 := #t~nondet141;havoc #t~nondet141;havoc ~status~8;havoc ~irpSp__Control~1; {25352#true} is VALID [2018-11-23 10:49:50,497 INFO L273 TraceCheckUtils]: 26: Hoare triple {25352#true} assume !(~s~0 != ~NP~0); {25352#true} is VALID [2018-11-23 10:49:50,503 INFO L273 TraceCheckUtils]: 27: Hoare triple {25352#true} assume !(0bv32 != ~compRegistered~0);~compRegistered~0 := 1bv32;~routine~0 := 1bv32; {25438#(= (_ bv1 32) ~routine~0)} is VALID [2018-11-23 10:49:50,505 INFO L273 TraceCheckUtils]: 28: Hoare triple {25438#(= (_ bv1 32) ~routine~0)} ~irpSp__Control~1 := 224bv32; {25438#(= (_ bv1 32) ~routine~0)} is VALID [2018-11-23 10:49:50,507 INFO L256 TraceCheckUtils]: 29: Hoare triple {25438#(= (_ bv1 32) ~routine~0)} call #t~ret142 := IofCallDriver(~deviceExtension__TargetDeviceObject~3, ~Irp); {25438#(= (_ bv1 32) ~routine~0)} is VALID [2018-11-23 10:49:50,507 INFO L273 TraceCheckUtils]: 30: Hoare triple {25438#(= (_ bv1 32) ~routine~0)} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;~Irp__PendingReturned~1 := #t~nondet162;havoc #t~nondet162;havoc ~returnVal2~0;havoc ~compRetStatus~0;~lcontext~0 := #t~nondet163;havoc #t~nondet163;havoc ~__cil_tmp8~1; {25438#(= (_ bv1 32) ~routine~0)} is VALID [2018-11-23 10:49:50,510 INFO L273 TraceCheckUtils]: 31: Hoare triple {25438#(= (_ bv1 32) ~routine~0)} assume 0bv32 != ~compRegistered~0; {25438#(= (_ bv1 32) ~routine~0)} is VALID [2018-11-23 10:49:50,510 INFO L273 TraceCheckUtils]: 32: Hoare triple {25438#(= (_ bv1 32) ~routine~0)} assume 0bv32 == ~routine~0; {25353#false} is VALID [2018-11-23 10:49:50,511 INFO L256 TraceCheckUtils]: 33: Hoare triple {25353#false} call #t~ret164 := HPCdrCompletion(~DeviceObject, ~Irp, ~lcontext~0); {25353#false} is VALID [2018-11-23 10:49:50,511 INFO L273 TraceCheckUtils]: 34: Hoare triple {25353#false} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;~Context := #in~Context;~Irp__PendingReturned~0 := #t~nondet134;havoc #t~nondet134;~Irp__AssociatedIrp__SystemBuffer~1 := #t~nondet135;havoc #t~nondet135; {25353#false} is VALID [2018-11-23 10:49:50,511 INFO L273 TraceCheckUtils]: 35: Hoare triple {25353#false} assume 0bv32 != ~Irp__PendingReturned~0; {25353#false} is VALID [2018-11-23 10:49:50,511 INFO L273 TraceCheckUtils]: 36: Hoare triple {25353#false} assume !(0bv32 == ~pended~0); {25353#false} is VALID [2018-11-23 10:49:50,511 INFO L256 TraceCheckUtils]: 37: Hoare triple {25353#false} call errorFn(); {25353#false} is VALID [2018-11-23 10:49:50,512 INFO L273 TraceCheckUtils]: 38: Hoare triple {25353#false} assume !false; {25353#false} is VALID [2018-11-23 10:49:50,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 10:49:50,513 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 10:49:50,521 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 10:49:50,522 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 10:49:50,522 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2018-11-23 10:49:50,522 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 10:49:50,523 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2018-11-23 10:49:50,610 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 39 edges. 39 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 10:49:50,610 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 10:49:50,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 10:49:50,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 10:49:50,611 INFO L87 Difference]: Start difference. First operand 886 states and 1296 transitions. Second operand 3 states. [2018-11-23 10:49:53,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:49:53,936 INFO L93 Difference]: Finished difference Result 1274 states and 1815 transitions. [2018-11-23 10:49:53,937 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 10:49:53,937 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2018-11-23 10:49:53,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 10:49:53,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 10:49:53,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 984 transitions. [2018-11-23 10:49:53,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 10:49:53,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 984 transitions. [2018-11-23 10:49:53,950 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 984 transitions. [2018-11-23 10:49:54,976 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 984 edges. 984 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 10:49:55,053 INFO L225 Difference]: With dead ends: 1274 [2018-11-23 10:49:55,053 INFO L226 Difference]: Without dead ends: 1015 [2018-11-23 10:49:55,054 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 10:49:55,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1015 states. [2018-11-23 10:49:57,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1015 to 872. [2018-11-23 10:49:57,679 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 10:49:57,679 INFO L82 GeneralOperation]: Start isEquivalent. First operand 1015 states. Second operand 872 states. [2018-11-23 10:49:57,679 INFO L74 IsIncluded]: Start isIncluded. First operand 1015 states. Second operand 872 states. [2018-11-23 10:49:57,679 INFO L87 Difference]: Start difference. First operand 1015 states. Second operand 872 states. [2018-11-23 10:49:57,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:49:57,733 INFO L93 Difference]: Finished difference Result 1015 states and 1452 transitions. [2018-11-23 10:49:57,733 INFO L276 IsEmpty]: Start isEmpty. Operand 1015 states and 1452 transitions. [2018-11-23 10:49:57,737 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 10:49:57,737 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 10:49:57,737 INFO L74 IsIncluded]: Start isIncluded. First operand 872 states. Second operand 1015 states. [2018-11-23 10:49:57,737 INFO L87 Difference]: Start difference. First operand 872 states. Second operand 1015 states. [2018-11-23 10:49:57,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:49:57,800 INFO L93 Difference]: Finished difference Result 1015 states and 1452 transitions. [2018-11-23 10:49:57,800 INFO L276 IsEmpty]: Start isEmpty. Operand 1015 states and 1452 transitions. [2018-11-23 10:49:57,802 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 10:49:57,802 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 10:49:57,802 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 10:49:57,802 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 10:49:57,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 872 states. [2018-11-23 10:49:57,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 872 states to 872 states and 1237 transitions. [2018-11-23 10:49:57,859 INFO L78 Accepts]: Start accepts. Automaton has 872 states and 1237 transitions. Word has length 39 [2018-11-23 10:49:57,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 10:49:57,860 INFO L480 AbstractCegarLoop]: Abstraction has 872 states and 1237 transitions. [2018-11-23 10:49:57,860 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 10:49:57,860 INFO L276 IsEmpty]: Start isEmpty. Operand 872 states and 1237 transitions. [2018-11-23 10:49:57,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-23 10:49:57,862 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 10:49:57,862 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 10:49:57,862 INFO L423 AbstractCegarLoop]: === Iteration 8 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 10:49:57,862 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 10:49:57,863 INFO L82 PathProgramCache]: Analyzing trace with hash 2137693992, now seen corresponding path program 1 times [2018-11-23 10:49:57,863 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 10:49:57,863 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 9 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 10:49:57,887 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 10:49:57,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:49:58,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:49:58,022 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 10:49:58,101 INFO L256 TraceCheckUtils]: 0: Hoare triple {30282#true} call ULTIMATE.init(); {30282#true} is VALID [2018-11-23 10:49:58,101 INFO L273 TraceCheckUtils]: 1: Hoare triple {30282#true} ~s~0 := 0bv32;~UNLOADED~0 := 0bv32;~NP~0 := 0bv32;~DC~0 := 0bv32;~SKIP1~0 := 0bv32;~SKIP2~0 := 0bv32;~MPR1~0 := 0bv32;~MPR3~0 := 0bv32;~IPC~0 := 0bv32;~pended~0 := 0bv32;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32;~routine~0 := 0bv32;~myStatus~0 := 0bv32;~pirp~0 := 0bv32;~Executive~0 := 0bv32;~Suspended~0 := 0bv32;~KernelMode~0 := 0bv32;~DeviceUsageTypePaging~0 := 0bv32; {30282#true} is VALID [2018-11-23 10:49:58,102 INFO L273 TraceCheckUtils]: 2: Hoare triple {30282#true} assume true; {30282#true} is VALID [2018-11-23 10:49:58,102 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {30282#true} {30282#true} #1496#return; {30282#true} is VALID [2018-11-23 10:49:58,102 INFO L256 TraceCheckUtils]: 4: Hoare triple {30282#true} call #t~ret176 := main(); {30282#true} is VALID [2018-11-23 10:49:58,103 INFO L273 TraceCheckUtils]: 5: Hoare triple {30282#true} havoc ~pirp__IoStatus__Status~0;~d~0 := #t~nondet150;havoc #t~nondet150;~status~9 := #t~nondet151;havoc #t~nondet151;~irp~1 := #t~nondet152;havoc #t~nondet152;~we_should_unload~0 := #t~nondet153;havoc #t~nondet153;~irp_choice~0 := #t~nondet154;havoc #t~nondet154;~devobj~0 := #t~nondet155;havoc #t~nondet155;havoc ~__cil_tmp9~1;~s~0 := 0bv32;~UNLOADED~0 := 0bv32;~NP~0 := 0bv32;~DC~0 := 0bv32;~SKIP1~0 := 0bv32;~SKIP2~0 := 0bv32;~MPR1~0 := 0bv32;~MPR3~0 := 0bv32;~IPC~0 := 0bv32;~pended~0 := 0bv32;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32;~routine~0 := 0bv32;~myStatus~0 := 0bv32;~pirp~0 := 0bv32;~Executive~0 := 0bv32;~Suspended~0 := 5bv32;~KernelMode~0 := 0bv32;~DeviceUsageTypePaging~0 := 1bv32;~pirp~0 := ~irp~1; {30282#true} is VALID [2018-11-23 10:49:58,103 INFO L256 TraceCheckUtils]: 6: Hoare triple {30282#true} call _BLAST_init(); {30282#true} is VALID [2018-11-23 10:49:58,103 INFO L273 TraceCheckUtils]: 7: Hoare triple {30282#true} ~UNLOADED~0 := 0bv32;~NP~0 := 1bv32;~DC~0 := 2bv32;~SKIP1~0 := 3bv32;~SKIP2~0 := 4bv32;~MPR1~0 := 5bv32;~MPR3~0 := 6bv32;~IPC~0 := 7bv32;~s~0 := ~UNLOADED~0;~pended~0 := 0bv32;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32; {30282#true} is VALID [2018-11-23 10:49:58,104 INFO L273 TraceCheckUtils]: 8: Hoare triple {30282#true} assume true; {30282#true} is VALID [2018-11-23 10:49:58,104 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {30282#true} {30282#true} #1364#return; {30282#true} is VALID [2018-11-23 10:49:58,104 INFO L273 TraceCheckUtils]: 10: Hoare triple {30282#true} assume ~bvsge32(~status~9, 0bv32);~s~0 := ~NP~0;~customIrp~0 := 0bv32;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0;~pirp__IoStatus__Status~0 := 0bv32;~myStatus~0 := 0bv32; {30282#true} is VALID [2018-11-23 10:49:58,104 INFO L273 TraceCheckUtils]: 11: Hoare triple {30282#true} assume 0bv32 == ~irp_choice~0;~pirp__IoStatus__Status~0 := 3221225659bv32;~myStatus~0 := 3221225659bv32; {30282#true} is VALID [2018-11-23 10:49:58,105 INFO L256 TraceCheckUtils]: 12: Hoare triple {30282#true} call stub_driver_init(); {30282#true} is VALID [2018-11-23 10:49:58,121 INFO L273 TraceCheckUtils]: 13: Hoare triple {30282#true} ~s~0 := ~NP~0;~customIrp~0 := 0bv32;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0; {30326#(= (_ bv0 32) ~pended~0)} is VALID [2018-11-23 10:49:58,130 INFO L273 TraceCheckUtils]: 14: Hoare triple {30326#(= (_ bv0 32) ~pended~0)} assume true; {30326#(= (_ bv0 32) ~pended~0)} is VALID [2018-11-23 10:49:58,143 INFO L268 TraceCheckUtils]: 15: Hoare quadruple {30326#(= (_ bv0 32) ~pended~0)} {30282#true} #1366#return; {30326#(= (_ bv0 32) ~pended~0)} is VALID [2018-11-23 10:49:58,152 INFO L273 TraceCheckUtils]: 16: Hoare triple {30326#(= (_ bv0 32) ~pended~0)} assume !~bvslt32(~status~9, 0bv32);havoc ~tmp_ndt_1~0;~tmp_ndt_1~0 := #t~nondet156;havoc #t~nondet156; {30326#(= (_ bv0 32) ~pended~0)} is VALID [2018-11-23 10:49:58,157 INFO L273 TraceCheckUtils]: 17: Hoare triple {30326#(= (_ bv0 32) ~pended~0)} assume 2bv32 == ~tmp_ndt_1~0; {30326#(= (_ bv0 32) ~pended~0)} is VALID [2018-11-23 10:49:58,158 INFO L256 TraceCheckUtils]: 18: Hoare triple {30326#(= (_ bv0 32) ~pended~0)} call #t~ret159 := CdAudioDeviceControl(~devobj~0, ~pirp~0); {30326#(= (_ bv0 32) ~pended~0)} is VALID [2018-11-23 10:49:58,159 INFO L273 TraceCheckUtils]: 19: Hoare triple {30326#(= (_ bv0 32) ~pended~0)} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;~deviceExtension__Active~1 := #t~nondet26;havoc #t~nondet26;havoc ~status~3; {30326#(= (_ bv0 32) ~pended~0)} is VALID [2018-11-23 10:49:58,159 INFO L273 TraceCheckUtils]: 20: Hoare triple {30326#(= (_ bv0 32) ~pended~0)} assume !(2bv32 == ~deviceExtension__Active~1); {30326#(= (_ bv0 32) ~pended~0)} is VALID [2018-11-23 10:49:58,162 INFO L273 TraceCheckUtils]: 21: Hoare triple {30326#(= (_ bv0 32) ~pended~0)} assume !(3bv32 == ~deviceExtension__Active~1); {30326#(= (_ bv0 32) ~pended~0)} is VALID [2018-11-23 10:49:58,162 INFO L273 TraceCheckUtils]: 22: Hoare triple {30326#(= (_ bv0 32) ~pended~0)} assume !(1bv32 == ~deviceExtension__Active~1); {30326#(= (_ bv0 32) ~pended~0)} is VALID [2018-11-23 10:49:58,162 INFO L273 TraceCheckUtils]: 23: Hoare triple {30326#(= (_ bv0 32) ~pended~0)} assume 7bv32 == ~deviceExtension__Active~1; {30326#(= (_ bv0 32) ~pended~0)} is VALID [2018-11-23 10:49:58,163 INFO L256 TraceCheckUtils]: 24: Hoare triple {30326#(= (_ bv0 32) ~pended~0)} call #t~ret30 := CdAudioHPCdrDeviceControl(~DeviceObject, ~Irp); {30326#(= (_ bv0 32) ~pended~0)} is VALID [2018-11-23 10:49:58,163 INFO L273 TraceCheckUtils]: 25: Hoare triple {30326#(= (_ bv0 32) ~pended~0)} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;~currentIrpStack__Parameters__DeviceIoControl__IoControlCode~3 := #t~nondet136;havoc #t~nondet136;~deviceExtension__TargetDeviceObject~2 := #t~nondet137;havoc #t~nondet137;havoc ~irpSp__Control~0;havoc ~tmp~6;havoc ~tmp___0~3;havoc ~__cil_tmp8~0;havoc ~__cil_tmp9~0;havoc ~__cil_tmp10~2;havoc ~__cil_tmp11~2;havoc ~__cil_tmp12~1;~__cil_tmp8~0 := 56bv32;~__cil_tmp9~0 := 16384bv32;~__cil_tmp10~2 := 131072bv32;~__cil_tmp11~2 := 147456bv32;~__cil_tmp12~1 := 147512bv32; {30326#(= (_ bv0 32) ~pended~0)} is VALID [2018-11-23 10:49:58,164 INFO L273 TraceCheckUtils]: 26: Hoare triple {30326#(= (_ bv0 32) ~pended~0)} assume ~currentIrpStack__Parameters__DeviceIoControl__IoControlCode~3 == ~__cil_tmp12~1; {30326#(= (_ bv0 32) ~pended~0)} is VALID [2018-11-23 10:49:58,164 INFO L273 TraceCheckUtils]: 27: Hoare triple {30326#(= (_ bv0 32) ~pended~0)} assume !(~s~0 != ~NP~0); {30326#(= (_ bv0 32) ~pended~0)} is VALID [2018-11-23 10:49:58,164 INFO L273 TraceCheckUtils]: 28: Hoare triple {30326#(= (_ bv0 32) ~pended~0)} assume !(0bv32 != ~compRegistered~0);~compRegistered~0 := 1bv32;~routine~0 := 0bv32; {30326#(= (_ bv0 32) ~pended~0)} is VALID [2018-11-23 10:49:58,165 INFO L273 TraceCheckUtils]: 29: Hoare triple {30326#(= (_ bv0 32) ~pended~0)} ~irpSp__Control~0 := 224bv32; {30326#(= (_ bv0 32) ~pended~0)} is VALID [2018-11-23 10:49:58,166 INFO L256 TraceCheckUtils]: 30: Hoare triple {30326#(= (_ bv0 32) ~pended~0)} call #t~ret138 := IofCallDriver(~deviceExtension__TargetDeviceObject~2, ~Irp); {30326#(= (_ bv0 32) ~pended~0)} is VALID [2018-11-23 10:49:58,166 INFO L273 TraceCheckUtils]: 31: Hoare triple {30326#(= (_ bv0 32) ~pended~0)} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;~Irp__PendingReturned~1 := #t~nondet162;havoc #t~nondet162;havoc ~returnVal2~0;havoc ~compRetStatus~0;~lcontext~0 := #t~nondet163;havoc #t~nondet163;havoc ~__cil_tmp8~1; {30326#(= (_ bv0 32) ~pended~0)} is VALID [2018-11-23 10:49:58,167 INFO L273 TraceCheckUtils]: 32: Hoare triple {30326#(= (_ bv0 32) ~pended~0)} assume 0bv32 != ~compRegistered~0; {30326#(= (_ bv0 32) ~pended~0)} is VALID [2018-11-23 10:49:58,167 INFO L273 TraceCheckUtils]: 33: Hoare triple {30326#(= (_ bv0 32) ~pended~0)} assume 0bv32 == ~routine~0; {30326#(= (_ bv0 32) ~pended~0)} is VALID [2018-11-23 10:49:58,168 INFO L256 TraceCheckUtils]: 34: Hoare triple {30326#(= (_ bv0 32) ~pended~0)} call #t~ret164 := HPCdrCompletion(~DeviceObject, ~Irp, ~lcontext~0); {30326#(= (_ bv0 32) ~pended~0)} is VALID [2018-11-23 10:49:58,169 INFO L273 TraceCheckUtils]: 35: Hoare triple {30326#(= (_ bv0 32) ~pended~0)} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;~Context := #in~Context;~Irp__PendingReturned~0 := #t~nondet134;havoc #t~nondet134;~Irp__AssociatedIrp__SystemBuffer~1 := #t~nondet135;havoc #t~nondet135; {30326#(= (_ bv0 32) ~pended~0)} is VALID [2018-11-23 10:49:58,173 INFO L273 TraceCheckUtils]: 36: Hoare triple {30326#(= (_ bv0 32) ~pended~0)} assume 0bv32 != ~Irp__PendingReturned~0; {30326#(= (_ bv0 32) ~pended~0)} is VALID [2018-11-23 10:49:58,173 INFO L273 TraceCheckUtils]: 37: Hoare triple {30326#(= (_ bv0 32) ~pended~0)} assume !(0bv32 == ~pended~0); {30283#false} is VALID [2018-11-23 10:49:58,173 INFO L256 TraceCheckUtils]: 38: Hoare triple {30283#false} call errorFn(); {30283#false} is VALID [2018-11-23 10:49:58,173 INFO L273 TraceCheckUtils]: 39: Hoare triple {30283#false} assume !false; {30283#false} is VALID [2018-11-23 10:49:58,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 10:49:58,175 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 10:49:58,179 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 10:49:58,179 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 10:49:58,179 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2018-11-23 10:49:58,179 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 10:49:58,180 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2018-11-23 10:49:58,229 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 40 edges. 40 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 10:49:58,229 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 10:49:58,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 10:49:58,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 10:49:58,230 INFO L87 Difference]: Start difference. First operand 872 states and 1237 transitions. Second operand 3 states. [2018-11-23 10:50:00,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:50:00,930 INFO L93 Difference]: Finished difference Result 972 states and 1361 transitions. [2018-11-23 10:50:00,931 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 10:50:00,931 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2018-11-23 10:50:00,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 10:50:00,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 10:50:00,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 801 transitions. [2018-11-23 10:50:00,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 10:50:00,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 801 transitions. [2018-11-23 10:50:00,945 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 801 transitions. [2018-11-23 10:50:01,937 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 801 edges. 801 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 10:50:02,009 INFO L225 Difference]: With dead ends: 972 [2018-11-23 10:50:02,010 INFO L226 Difference]: Without dead ends: 954 [2018-11-23 10:50:02,010 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 10:50:02,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 954 states. [2018-11-23 10:50:04,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 954 to 892. [2018-11-23 10:50:04,582 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 10:50:04,582 INFO L82 GeneralOperation]: Start isEquivalent. First operand 954 states. Second operand 892 states. [2018-11-23 10:50:04,583 INFO L74 IsIncluded]: Start isIncluded. First operand 954 states. Second operand 892 states. [2018-11-23 10:50:04,583 INFO L87 Difference]: Start difference. First operand 954 states. Second operand 892 states. [2018-11-23 10:50:04,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:50:04,621 INFO L93 Difference]: Finished difference Result 954 states and 1336 transitions. [2018-11-23 10:50:04,622 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 1336 transitions. [2018-11-23 10:50:04,623 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 10:50:04,624 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 10:50:04,624 INFO L74 IsIncluded]: Start isIncluded. First operand 892 states. Second operand 954 states. [2018-11-23 10:50:04,624 INFO L87 Difference]: Start difference. First operand 892 states. Second operand 954 states. [2018-11-23 10:50:04,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:50:04,666 INFO L93 Difference]: Finished difference Result 954 states and 1336 transitions. [2018-11-23 10:50:04,667 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 1336 transitions. [2018-11-23 10:50:04,668 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 10:50:04,668 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 10:50:04,669 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 10:50:04,669 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 10:50:04,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 892 states. [2018-11-23 10:50:04,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 892 states to 892 states and 1263 transitions. [2018-11-23 10:50:04,705 INFO L78 Accepts]: Start accepts. Automaton has 892 states and 1263 transitions. Word has length 40 [2018-11-23 10:50:04,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 10:50:04,705 INFO L480 AbstractCegarLoop]: Abstraction has 892 states and 1263 transitions. [2018-11-23 10:50:04,705 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 10:50:04,705 INFO L276 IsEmpty]: Start isEmpty. Operand 892 states and 1263 transitions. [2018-11-23 10:50:04,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 10:50:04,707 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 10:50:04,707 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 10:50:04,707 INFO L423 AbstractCegarLoop]: === Iteration 9 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 10:50:04,707 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 10:50:04,708 INFO L82 PathProgramCache]: Analyzing trace with hash -256141125, now seen corresponding path program 1 times [2018-11-23 10:50:04,708 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 10:50:04,708 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 10 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 10:50:04,723 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 10:50:04,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:50:04,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:50:04,863 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 10:50:04,938 INFO L256 TraceCheckUtils]: 0: Hoare triple {34743#true} call ULTIMATE.init(); {34743#true} is VALID [2018-11-23 10:50:04,938 INFO L273 TraceCheckUtils]: 1: Hoare triple {34743#true} ~s~0 := 0bv32;~UNLOADED~0 := 0bv32;~NP~0 := 0bv32;~DC~0 := 0bv32;~SKIP1~0 := 0bv32;~SKIP2~0 := 0bv32;~MPR1~0 := 0bv32;~MPR3~0 := 0bv32;~IPC~0 := 0bv32;~pended~0 := 0bv32;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32;~routine~0 := 0bv32;~myStatus~0 := 0bv32;~pirp~0 := 0bv32;~Executive~0 := 0bv32;~Suspended~0 := 0bv32;~KernelMode~0 := 0bv32;~DeviceUsageTypePaging~0 := 0bv32; {34743#true} is VALID [2018-11-23 10:50:04,938 INFO L273 TraceCheckUtils]: 2: Hoare triple {34743#true} assume true; {34743#true} is VALID [2018-11-23 10:50:04,939 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {34743#true} {34743#true} #1496#return; {34743#true} is VALID [2018-11-23 10:50:04,939 INFO L256 TraceCheckUtils]: 4: Hoare triple {34743#true} call #t~ret176 := main(); {34743#true} is VALID [2018-11-23 10:50:04,939 INFO L273 TraceCheckUtils]: 5: Hoare triple {34743#true} havoc ~pirp__IoStatus__Status~0;~d~0 := #t~nondet150;havoc #t~nondet150;~status~9 := #t~nondet151;havoc #t~nondet151;~irp~1 := #t~nondet152;havoc #t~nondet152;~we_should_unload~0 := #t~nondet153;havoc #t~nondet153;~irp_choice~0 := #t~nondet154;havoc #t~nondet154;~devobj~0 := #t~nondet155;havoc #t~nondet155;havoc ~__cil_tmp9~1;~s~0 := 0bv32;~UNLOADED~0 := 0bv32;~NP~0 := 0bv32;~DC~0 := 0bv32;~SKIP1~0 := 0bv32;~SKIP2~0 := 0bv32;~MPR1~0 := 0bv32;~MPR3~0 := 0bv32;~IPC~0 := 0bv32;~pended~0 := 0bv32;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32;~routine~0 := 0bv32;~myStatus~0 := 0bv32;~pirp~0 := 0bv32;~Executive~0 := 0bv32;~Suspended~0 := 5bv32;~KernelMode~0 := 0bv32;~DeviceUsageTypePaging~0 := 1bv32;~pirp~0 := ~irp~1; {34743#true} is VALID [2018-11-23 10:50:04,940 INFO L256 TraceCheckUtils]: 6: Hoare triple {34743#true} call _BLAST_init(); {34743#true} is VALID [2018-11-23 10:50:04,940 INFO L273 TraceCheckUtils]: 7: Hoare triple {34743#true} ~UNLOADED~0 := 0bv32;~NP~0 := 1bv32;~DC~0 := 2bv32;~SKIP1~0 := 3bv32;~SKIP2~0 := 4bv32;~MPR1~0 := 5bv32;~MPR3~0 := 6bv32;~IPC~0 := 7bv32;~s~0 := ~UNLOADED~0;~pended~0 := 0bv32;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32; {34743#true} is VALID [2018-11-23 10:50:04,941 INFO L273 TraceCheckUtils]: 8: Hoare triple {34743#true} assume true; {34743#true} is VALID [2018-11-23 10:50:04,941 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {34743#true} {34743#true} #1364#return; {34743#true} is VALID [2018-11-23 10:50:04,941 INFO L273 TraceCheckUtils]: 10: Hoare triple {34743#true} assume ~bvsge32(~status~9, 0bv32);~s~0 := ~NP~0;~customIrp~0 := 0bv32;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0;~pirp__IoStatus__Status~0 := 0bv32;~myStatus~0 := 0bv32; {34743#true} is VALID [2018-11-23 10:50:04,941 INFO L273 TraceCheckUtils]: 11: Hoare triple {34743#true} assume 0bv32 == ~irp_choice~0;~pirp__IoStatus__Status~0 := 3221225659bv32;~myStatus~0 := 3221225659bv32; {34743#true} is VALID [2018-11-23 10:50:04,942 INFO L256 TraceCheckUtils]: 12: Hoare triple {34743#true} call stub_driver_init(); {34743#true} is VALID [2018-11-23 10:50:04,942 INFO L273 TraceCheckUtils]: 13: Hoare triple {34743#true} ~s~0 := ~NP~0;~customIrp~0 := 0bv32;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0; {34743#true} is VALID [2018-11-23 10:50:04,942 INFO L273 TraceCheckUtils]: 14: Hoare triple {34743#true} assume true; {34743#true} is VALID [2018-11-23 10:50:04,942 INFO L268 TraceCheckUtils]: 15: Hoare quadruple {34743#true} {34743#true} #1366#return; {34743#true} is VALID [2018-11-23 10:50:04,942 INFO L273 TraceCheckUtils]: 16: Hoare triple {34743#true} assume !~bvslt32(~status~9, 0bv32);havoc ~tmp_ndt_1~0;~tmp_ndt_1~0 := #t~nondet156;havoc #t~nondet156; {34743#true} is VALID [2018-11-23 10:50:04,942 INFO L273 TraceCheckUtils]: 17: Hoare triple {34743#true} assume !(2bv32 == ~tmp_ndt_1~0);havoc ~tmp_ndt_2~0;~tmp_ndt_2~0 := #t~nondet157;havoc #t~nondet157; {34743#true} is VALID [2018-11-23 10:50:04,943 INFO L273 TraceCheckUtils]: 18: Hoare triple {34743#true} assume 3bv32 == ~tmp_ndt_2~0; {34743#true} is VALID [2018-11-23 10:50:04,943 INFO L256 TraceCheckUtils]: 19: Hoare triple {34743#true} call #t~ret160 := CdAudioPnp(~devobj~0, ~pirp~0); {34743#true} is VALID [2018-11-23 10:50:04,943 INFO L273 TraceCheckUtils]: 20: Hoare triple {34743#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;~Irp__Tail__Overlay__CurrentStackLocation~0 := #t~nondet14;havoc #t~nondet14;~irpSp__MinorFunction~0 := #t~nondet15;havoc #t~nondet15;havoc ~Irp__IoStatus__Status~0;~irpSp__Parameters__UsageNotification__Type~0 := #t~nondet16;havoc #t~nondet16;~deviceExtension__PagingPathCountEvent~0 := #t~nondet17;havoc #t~nondet17;~irpSp__Parameters__UsageNotification__InPath~0 := #t~nondet18;havoc #t~nondet18;~deviceExtension__PagingPathCount~0 := #t~nondet19;havoc #t~nondet19;havoc ~DeviceObject__Flags~0;havoc ~irpSp~0;havoc ~status~2;havoc ~setPagable~0;havoc ~tmp~1;havoc ~tmp___0~0;~irpSp~0 := ~Irp__Tail__Overlay__CurrentStackLocation~0;~status~2 := 3221225659bv32; {34743#true} is VALID [2018-11-23 10:50:04,943 INFO L273 TraceCheckUtils]: 21: Hoare triple {34743#true} assume 0bv32 == ~irpSp__MinorFunction~0; {34743#true} is VALID [2018-11-23 10:50:04,943 INFO L256 TraceCheckUtils]: 22: Hoare triple {34743#true} call #t~ret20 := CdAudioStartDevice(~DeviceObject, ~Irp); {34743#true} is VALID [2018-11-23 10:50:04,943 INFO L273 TraceCheckUtils]: 23: Hoare triple {34743#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;~deviceExtension__Active~0 := #t~nondet5;havoc #t~nondet5;~deviceExtension~0 := #t~nondet6;havoc #t~nondet6;havoc ~status~1;~srb~0 := #t~nondet7;havoc #t~nondet7;~srb__Cdb~0 := #t~nondet8;havoc #t~nondet8;havoc ~cdb~0;havoc ~inquiryDataPtr~0;havoc ~attempt~0;havoc ~tmp~0;~deviceParameterHandle~0 := #t~nondet9;havoc #t~nondet9;havoc ~keyValue~0; {34743#true} is VALID [2018-11-23 10:50:04,944 INFO L256 TraceCheckUtils]: 24: Hoare triple {34743#true} call #t~ret10 := CdAudioForwardIrpSynchronous(~DeviceObject, ~Irp); {34743#true} is VALID [2018-11-23 10:50:04,944 INFO L273 TraceCheckUtils]: 25: Hoare triple {34743#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;~deviceExtension__TargetDeviceObject~3 := #t~nondet140;havoc #t~nondet140;~event~2 := #t~nondet141;havoc #t~nondet141;havoc ~status~8;havoc ~irpSp__Control~1; {34743#true} is VALID [2018-11-23 10:50:04,944 INFO L273 TraceCheckUtils]: 26: Hoare triple {34743#true} assume !(~s~0 != ~NP~0); {34743#true} is VALID [2018-11-23 10:50:04,944 INFO L273 TraceCheckUtils]: 27: Hoare triple {34743#true} assume !(0bv32 != ~compRegistered~0);~compRegistered~0 := 1bv32;~routine~0 := 1bv32; {34829#(= (_ bv1 32) ~compRegistered~0)} is VALID [2018-11-23 10:50:04,949 INFO L273 TraceCheckUtils]: 28: Hoare triple {34829#(= (_ bv1 32) ~compRegistered~0)} ~irpSp__Control~1 := 224bv32; {34829#(= (_ bv1 32) ~compRegistered~0)} is VALID [2018-11-23 10:50:04,951 INFO L256 TraceCheckUtils]: 29: Hoare triple {34829#(= (_ bv1 32) ~compRegistered~0)} call #t~ret142 := IofCallDriver(~deviceExtension__TargetDeviceObject~3, ~Irp); {34829#(= (_ bv1 32) ~compRegistered~0)} is VALID [2018-11-23 10:50:04,951 INFO L273 TraceCheckUtils]: 30: Hoare triple {34829#(= (_ bv1 32) ~compRegistered~0)} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;~Irp__PendingReturned~1 := #t~nondet162;havoc #t~nondet162;havoc ~returnVal2~0;havoc ~compRetStatus~0;~lcontext~0 := #t~nondet163;havoc #t~nondet163;havoc ~__cil_tmp8~1; {34829#(= (_ bv1 32) ~compRegistered~0)} is VALID [2018-11-23 10:50:04,951 INFO L273 TraceCheckUtils]: 31: Hoare triple {34829#(= (_ bv1 32) ~compRegistered~0)} assume !(0bv32 != ~compRegistered~0); {34744#false} is VALID [2018-11-23 10:50:04,952 INFO L273 TraceCheckUtils]: 32: Hoare triple {34744#false} assume 0bv32 != ~Irp__PendingReturned~1;~returnVal2~0 := 259bv32; {34744#false} is VALID [2018-11-23 10:50:04,952 INFO L273 TraceCheckUtils]: 33: Hoare triple {34744#false} assume ~s~0 == ~NP~0;~s~0 := ~IPC~0;~lowerDriverReturn~0 := ~returnVal2~0; {34744#false} is VALID [2018-11-23 10:50:04,952 INFO L273 TraceCheckUtils]: 34: Hoare triple {34744#false} #res := ~returnVal2~0; {34744#false} is VALID [2018-11-23 10:50:04,952 INFO L273 TraceCheckUtils]: 35: Hoare triple {34744#false} assume true; {34744#false} is VALID [2018-11-23 10:50:04,952 INFO L268 TraceCheckUtils]: 36: Hoare quadruple {34744#false} {34829#(= (_ bv1 32) ~compRegistered~0)} #1554#return; {34744#false} is VALID [2018-11-23 10:50:04,952 INFO L273 TraceCheckUtils]: 37: Hoare triple {34744#false} ~status~8 := #t~ret142;havoc #t~ret142;~status~8 := 259bv32; {34744#false} is VALID [2018-11-23 10:50:04,953 INFO L273 TraceCheckUtils]: 38: Hoare triple {34744#false} assume 0bv32 != ~status~8; {34744#false} is VALID [2018-11-23 10:50:04,953 INFO L256 TraceCheckUtils]: 39: Hoare triple {34744#false} call #t~ret143 := KeWaitForSingleObject(~event~2, ~Executive~0, ~KernelMode~0, 0bv32, 0bv32); {34744#false} is VALID [2018-11-23 10:50:04,953 INFO L273 TraceCheckUtils]: 40: Hoare triple {34744#false} ~Object := #in~Object;~WaitReason := #in~WaitReason;~WaitMode := #in~WaitMode;~Alertable := #in~Alertable;~Timeout := #in~Timeout; {34744#false} is VALID [2018-11-23 10:50:04,953 INFO L273 TraceCheckUtils]: 41: Hoare triple {34744#false} assume ~s~0 == ~MPR3~0; {34744#false} is VALID [2018-11-23 10:50:04,953 INFO L273 TraceCheckUtils]: 42: Hoare triple {34744#false} assume !(1bv32 == ~setEventCalled~0); {34744#false} is VALID [2018-11-23 10:50:04,953 INFO L273 TraceCheckUtils]: 43: Hoare triple {34744#false} assume !(1bv32 == ~customIrp~0); {34744#false} is VALID [2018-11-23 10:50:04,953 INFO L273 TraceCheckUtils]: 44: Hoare triple {34744#false} assume ~s~0 == ~MPR3~0; {34744#false} is VALID [2018-11-23 10:50:04,954 INFO L256 TraceCheckUtils]: 45: Hoare triple {34744#false} call errorFn(); {34744#false} is VALID [2018-11-23 10:50:04,954 INFO L273 TraceCheckUtils]: 46: Hoare triple {34744#false} assume !false; {34744#false} is VALID [2018-11-23 10:50:04,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 10:50:04,955 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 10:50:04,957 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 10:50:04,957 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 10:50:04,957 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-23 10:50:04,958 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 10:50:04,958 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2018-11-23 10:50:05,016 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 47 edges. 47 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 10:50:05,016 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 10:50:05,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 10:50:05,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 10:50:05,017 INFO L87 Difference]: Start difference. First operand 892 states and 1263 transitions. Second operand 3 states. [2018-11-23 10:50:08,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:50:08,704 INFO L93 Difference]: Finished difference Result 1014 states and 1409 transitions. [2018-11-23 10:50:08,704 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 10:50:08,704 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-23 10:50:08,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 10:50:08,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 10:50:08,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 933 transitions. [2018-11-23 10:50:08,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 10:50:08,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 933 transitions. [2018-11-23 10:50:08,717 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 933 transitions. [2018-11-23 10:50:09,725 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 933 edges. 933 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 10:50:09,759 INFO L225 Difference]: With dead ends: 1014 [2018-11-23 10:50:09,759 INFO L226 Difference]: Without dead ends: 785 [2018-11-23 10:50:09,760 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 10:50:09,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 785 states. [2018-11-23 10:50:10,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 785 to 751. [2018-11-23 10:50:10,983 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 10:50:10,984 INFO L82 GeneralOperation]: Start isEquivalent. First operand 785 states. Second operand 751 states. [2018-11-23 10:50:10,984 INFO L74 IsIncluded]: Start isIncluded. First operand 785 states. Second operand 751 states. [2018-11-23 10:50:10,984 INFO L87 Difference]: Start difference. First operand 785 states. Second operand 751 states. [2018-11-23 10:50:11,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:50:11,017 INFO L93 Difference]: Finished difference Result 785 states and 1094 transitions. [2018-11-23 10:50:11,017 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 1094 transitions. [2018-11-23 10:50:11,019 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 10:50:11,019 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 10:50:11,019 INFO L74 IsIncluded]: Start isIncluded. First operand 751 states. Second operand 785 states. [2018-11-23 10:50:11,019 INFO L87 Difference]: Start difference. First operand 751 states. Second operand 785 states. [2018-11-23 10:50:11,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:50:11,045 INFO L93 Difference]: Finished difference Result 785 states and 1094 transitions. [2018-11-23 10:50:11,045 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 1094 transitions. [2018-11-23 10:50:11,047 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 10:50:11,047 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 10:50:11,047 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 10:50:11,047 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 10:50:11,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 751 states. [2018-11-23 10:50:11,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 751 states to 751 states and 1056 transitions. [2018-11-23 10:50:11,077 INFO L78 Accepts]: Start accepts. Automaton has 751 states and 1056 transitions. Word has length 47 [2018-11-23 10:50:11,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 10:50:11,078 INFO L480 AbstractCegarLoop]: Abstraction has 751 states and 1056 transitions. [2018-11-23 10:50:11,078 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 10:50:11,078 INFO L276 IsEmpty]: Start isEmpty. Operand 751 states and 1056 transitions. [2018-11-23 10:50:11,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 10:50:11,079 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 10:50:11,079 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 10:50:11,080 INFO L423 AbstractCegarLoop]: === Iteration 10 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 10:50:11,080 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 10:50:11,080 INFO L82 PathProgramCache]: Analyzing trace with hash -18672278, now seen corresponding path program 1 times [2018-11-23 10:50:11,080 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 10:50:11,080 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 11 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 10:50:11,098 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 10:50:11,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:50:11,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:50:11,214 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 10:50:11,335 INFO L256 TraceCheckUtils]: 0: Hoare triple {38773#true} call ULTIMATE.init(); {38773#true} is VALID [2018-11-23 10:50:11,335 INFO L273 TraceCheckUtils]: 1: Hoare triple {38773#true} ~s~0 := 0bv32;~UNLOADED~0 := 0bv32;~NP~0 := 0bv32;~DC~0 := 0bv32;~SKIP1~0 := 0bv32;~SKIP2~0 := 0bv32;~MPR1~0 := 0bv32;~MPR3~0 := 0bv32;~IPC~0 := 0bv32;~pended~0 := 0bv32;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32;~routine~0 := 0bv32;~myStatus~0 := 0bv32;~pirp~0 := 0bv32;~Executive~0 := 0bv32;~Suspended~0 := 0bv32;~KernelMode~0 := 0bv32;~DeviceUsageTypePaging~0 := 0bv32; {38773#true} is VALID [2018-11-23 10:50:11,335 INFO L273 TraceCheckUtils]: 2: Hoare triple {38773#true} assume true; {38773#true} is VALID [2018-11-23 10:50:11,335 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {38773#true} {38773#true} #1496#return; {38773#true} is VALID [2018-11-23 10:50:11,336 INFO L256 TraceCheckUtils]: 4: Hoare triple {38773#true} call #t~ret176 := main(); {38773#true} is VALID [2018-11-23 10:50:11,336 INFO L273 TraceCheckUtils]: 5: Hoare triple {38773#true} havoc ~pirp__IoStatus__Status~0;~d~0 := #t~nondet150;havoc #t~nondet150;~status~9 := #t~nondet151;havoc #t~nondet151;~irp~1 := #t~nondet152;havoc #t~nondet152;~we_should_unload~0 := #t~nondet153;havoc #t~nondet153;~irp_choice~0 := #t~nondet154;havoc #t~nondet154;~devobj~0 := #t~nondet155;havoc #t~nondet155;havoc ~__cil_tmp9~1;~s~0 := 0bv32;~UNLOADED~0 := 0bv32;~NP~0 := 0bv32;~DC~0 := 0bv32;~SKIP1~0 := 0bv32;~SKIP2~0 := 0bv32;~MPR1~0 := 0bv32;~MPR3~0 := 0bv32;~IPC~0 := 0bv32;~pended~0 := 0bv32;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32;~routine~0 := 0bv32;~myStatus~0 := 0bv32;~pirp~0 := 0bv32;~Executive~0 := 0bv32;~Suspended~0 := 5bv32;~KernelMode~0 := 0bv32;~DeviceUsageTypePaging~0 := 1bv32;~pirp~0 := ~irp~1; {38773#true} is VALID [2018-11-23 10:50:11,336 INFO L256 TraceCheckUtils]: 6: Hoare triple {38773#true} call _BLAST_init(); {38773#true} is VALID [2018-11-23 10:50:11,336 INFO L273 TraceCheckUtils]: 7: Hoare triple {38773#true} ~UNLOADED~0 := 0bv32;~NP~0 := 1bv32;~DC~0 := 2bv32;~SKIP1~0 := 3bv32;~SKIP2~0 := 4bv32;~MPR1~0 := 5bv32;~MPR3~0 := 6bv32;~IPC~0 := 7bv32;~s~0 := ~UNLOADED~0;~pended~0 := 0bv32;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32; {38773#true} is VALID [2018-11-23 10:50:11,336 INFO L273 TraceCheckUtils]: 8: Hoare triple {38773#true} assume true; {38773#true} is VALID [2018-11-23 10:50:11,336 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {38773#true} {38773#true} #1364#return; {38773#true} is VALID [2018-11-23 10:50:11,337 INFO L273 TraceCheckUtils]: 10: Hoare triple {38773#true} assume ~bvsge32(~status~9, 0bv32);~s~0 := ~NP~0;~customIrp~0 := 0bv32;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0;~pirp__IoStatus__Status~0 := 0bv32;~myStatus~0 := 0bv32; {38773#true} is VALID [2018-11-23 10:50:11,337 INFO L273 TraceCheckUtils]: 11: Hoare triple {38773#true} assume 0bv32 == ~irp_choice~0;~pirp__IoStatus__Status~0 := 3221225659bv32;~myStatus~0 := 3221225659bv32; {38773#true} is VALID [2018-11-23 10:50:11,337 INFO L256 TraceCheckUtils]: 12: Hoare triple {38773#true} call stub_driver_init(); {38773#true} is VALID [2018-11-23 10:50:11,337 INFO L273 TraceCheckUtils]: 13: Hoare triple {38773#true} ~s~0 := ~NP~0;~customIrp~0 := 0bv32;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0; {38773#true} is VALID [2018-11-23 10:50:11,337 INFO L273 TraceCheckUtils]: 14: Hoare triple {38773#true} assume true; {38773#true} is VALID [2018-11-23 10:50:11,338 INFO L268 TraceCheckUtils]: 15: Hoare quadruple {38773#true} {38773#true} #1366#return; {38773#true} is VALID [2018-11-23 10:50:11,338 INFO L273 TraceCheckUtils]: 16: Hoare triple {38773#true} assume !~bvslt32(~status~9, 0bv32);havoc ~tmp_ndt_1~0;~tmp_ndt_1~0 := #t~nondet156;havoc #t~nondet156; {38773#true} is VALID [2018-11-23 10:50:11,338 INFO L273 TraceCheckUtils]: 17: Hoare triple {38773#true} assume 2bv32 == ~tmp_ndt_1~0; {38773#true} is VALID [2018-11-23 10:50:11,338 INFO L256 TraceCheckUtils]: 18: Hoare triple {38773#true} call #t~ret159 := CdAudioDeviceControl(~devobj~0, ~pirp~0); {38773#true} is VALID [2018-11-23 10:50:11,338 INFO L273 TraceCheckUtils]: 19: Hoare triple {38773#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;~deviceExtension__Active~1 := #t~nondet26;havoc #t~nondet26;havoc ~status~3; {38773#true} is VALID [2018-11-23 10:50:11,338 INFO L273 TraceCheckUtils]: 20: Hoare triple {38773#true} assume !(2bv32 == ~deviceExtension__Active~1); {38773#true} is VALID [2018-11-23 10:50:11,339 INFO L273 TraceCheckUtils]: 21: Hoare triple {38773#true} assume !(3bv32 == ~deviceExtension__Active~1); {38773#true} is VALID [2018-11-23 10:50:11,339 INFO L273 TraceCheckUtils]: 22: Hoare triple {38773#true} assume !(1bv32 == ~deviceExtension__Active~1); {38773#true} is VALID [2018-11-23 10:50:11,339 INFO L273 TraceCheckUtils]: 23: Hoare triple {38773#true} assume 7bv32 == ~deviceExtension__Active~1; {38773#true} is VALID [2018-11-23 10:50:11,339 INFO L256 TraceCheckUtils]: 24: Hoare triple {38773#true} call #t~ret30 := CdAudioHPCdrDeviceControl(~DeviceObject, ~Irp); {38773#true} is VALID [2018-11-23 10:50:11,339 INFO L273 TraceCheckUtils]: 25: Hoare triple {38773#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;~currentIrpStack__Parameters__DeviceIoControl__IoControlCode~3 := #t~nondet136;havoc #t~nondet136;~deviceExtension__TargetDeviceObject~2 := #t~nondet137;havoc #t~nondet137;havoc ~irpSp__Control~0;havoc ~tmp~6;havoc ~tmp___0~3;havoc ~__cil_tmp8~0;havoc ~__cil_tmp9~0;havoc ~__cil_tmp10~2;havoc ~__cil_tmp11~2;havoc ~__cil_tmp12~1;~__cil_tmp8~0 := 56bv32;~__cil_tmp9~0 := 16384bv32;~__cil_tmp10~2 := 131072bv32;~__cil_tmp11~2 := 147456bv32;~__cil_tmp12~1 := 147512bv32; {38773#true} is VALID [2018-11-23 10:50:11,339 INFO L273 TraceCheckUtils]: 26: Hoare triple {38773#true} assume ~currentIrpStack__Parameters__DeviceIoControl__IoControlCode~3 == ~__cil_tmp12~1; {38773#true} is VALID [2018-11-23 10:50:11,339 INFO L273 TraceCheckUtils]: 27: Hoare triple {38773#true} assume !(~s~0 != ~NP~0); {38773#true} is VALID [2018-11-23 10:50:11,340 INFO L273 TraceCheckUtils]: 28: Hoare triple {38773#true} assume !(0bv32 != ~compRegistered~0);~compRegistered~0 := 1bv32;~routine~0 := 0bv32; {38862#(= (_ bv0 32) ~routine~0)} is VALID [2018-11-23 10:50:11,341 INFO L273 TraceCheckUtils]: 29: Hoare triple {38862#(= (_ bv0 32) ~routine~0)} ~irpSp__Control~0 := 224bv32; {38862#(= (_ bv0 32) ~routine~0)} is VALID [2018-11-23 10:50:11,344 INFO L256 TraceCheckUtils]: 30: Hoare triple {38862#(= (_ bv0 32) ~routine~0)} call #t~ret138 := IofCallDriver(~deviceExtension__TargetDeviceObject~2, ~Irp); {38862#(= (_ bv0 32) ~routine~0)} is VALID [2018-11-23 10:50:11,344 INFO L273 TraceCheckUtils]: 31: Hoare triple {38862#(= (_ bv0 32) ~routine~0)} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;~Irp__PendingReturned~1 := #t~nondet162;havoc #t~nondet162;havoc ~returnVal2~0;havoc ~compRetStatus~0;~lcontext~0 := #t~nondet163;havoc #t~nondet163;havoc ~__cil_tmp8~1; {38862#(= (_ bv0 32) ~routine~0)} is VALID [2018-11-23 10:50:11,347 INFO L273 TraceCheckUtils]: 32: Hoare triple {38862#(= (_ bv0 32) ~routine~0)} assume 0bv32 != ~compRegistered~0; {38862#(= (_ bv0 32) ~routine~0)} is VALID [2018-11-23 10:50:11,347 INFO L273 TraceCheckUtils]: 33: Hoare triple {38862#(= (_ bv0 32) ~routine~0)} assume !(0bv32 == ~routine~0); {38774#false} is VALID [2018-11-23 10:50:11,347 INFO L273 TraceCheckUtils]: 34: Hoare triple {38774#false} assume !(1bv32 == ~routine~0); {38774#false} is VALID [2018-11-23 10:50:11,347 INFO L273 TraceCheckUtils]: 35: Hoare triple {38774#false} ~__cil_tmp8~1 := ~compRetStatus~0; {38774#false} is VALID [2018-11-23 10:50:11,348 INFO L273 TraceCheckUtils]: 36: Hoare triple {38774#false} assume 3221225494bv32 == ~__cil_tmp8~1; {38774#false} is VALID [2018-11-23 10:50:11,348 INFO L256 TraceCheckUtils]: 37: Hoare triple {38774#false} call stubMoreProcessingRequired(); {38774#false} is VALID [2018-11-23 10:50:11,348 INFO L273 TraceCheckUtils]: 38: Hoare triple {38774#false} assume ~s~0 == ~NP~0;~s~0 := ~MPR1~0; {38774#false} is VALID [2018-11-23 10:50:11,348 INFO L273 TraceCheckUtils]: 39: Hoare triple {38774#false} assume true; {38774#false} is VALID [2018-11-23 10:50:11,348 INFO L268 TraceCheckUtils]: 40: Hoare quadruple {38774#false} {38774#false} #1470#return; {38774#false} is VALID [2018-11-23 10:50:11,349 INFO L273 TraceCheckUtils]: 41: Hoare triple {38774#false} assume 0bv32 != ~Irp__PendingReturned~1;~returnVal2~0 := 259bv32; {38774#false} is VALID [2018-11-23 10:50:11,349 INFO L273 TraceCheckUtils]: 42: Hoare triple {38774#false} assume !(~s~0 == ~NP~0); {38774#false} is VALID [2018-11-23 10:50:11,349 INFO L273 TraceCheckUtils]: 43: Hoare triple {38774#false} assume !(~s~0 == ~MPR1~0); {38774#false} is VALID [2018-11-23 10:50:11,349 INFO L273 TraceCheckUtils]: 44: Hoare triple {38774#false} assume !(~s~0 == ~SKIP1~0); {38774#false} is VALID [2018-11-23 10:50:11,349 INFO L256 TraceCheckUtils]: 45: Hoare triple {38774#false} call errorFn(); {38774#false} is VALID [2018-11-23 10:50:11,350 INFO L273 TraceCheckUtils]: 46: Hoare triple {38774#false} assume !false; {38774#false} is VALID [2018-11-23 10:50:11,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 10:50:11,351 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 10:50:11,360 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 10:50:11,360 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 10:50:11,361 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-23 10:50:11,361 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 10:50:11,361 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2018-11-23 10:50:11,413 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 47 edges. 47 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 10:50:11,413 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 10:50:11,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 10:50:11,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 10:50:11,414 INFO L87 Difference]: Start difference. First operand 751 states and 1056 transitions. Second operand 3 states. [2018-11-23 10:50:14,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:50:14,484 INFO L93 Difference]: Finished difference Result 871 states and 1204 transitions. [2018-11-23 10:50:14,484 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 10:50:14,484 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-23 10:50:14,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 10:50:14,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 10:50:14,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 859 transitions. [2018-11-23 10:50:14,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 10:50:14,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 859 transitions. [2018-11-23 10:50:14,501 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 859 transitions. [2018-11-23 10:50:15,496 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 859 edges. 859 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 10:50:15,535 INFO L225 Difference]: With dead ends: 871 [2018-11-23 10:50:15,535 INFO L226 Difference]: Without dead ends: 775 [2018-11-23 10:50:15,536 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 10:50:15,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 775 states. [2018-11-23 10:50:16,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 775 to 750. [2018-11-23 10:50:16,817 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 10:50:16,817 INFO L82 GeneralOperation]: Start isEquivalent. First operand 775 states. Second operand 750 states. [2018-11-23 10:50:16,817 INFO L74 IsIncluded]: Start isIncluded. First operand 775 states. Second operand 750 states. [2018-11-23 10:50:16,817 INFO L87 Difference]: Start difference. First operand 775 states. Second operand 750 states. [2018-11-23 10:50:16,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:50:16,846 INFO L93 Difference]: Finished difference Result 775 states and 1080 transitions. [2018-11-23 10:50:16,846 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states and 1080 transitions. [2018-11-23 10:50:16,847 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 10:50:16,848 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 10:50:16,848 INFO L74 IsIncluded]: Start isIncluded. First operand 750 states. Second operand 775 states. [2018-11-23 10:50:16,848 INFO L87 Difference]: Start difference. First operand 750 states. Second operand 775 states. [2018-11-23 10:50:16,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:50:16,871 INFO L93 Difference]: Finished difference Result 775 states and 1080 transitions. [2018-11-23 10:50:16,871 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states and 1080 transitions. [2018-11-23 10:50:16,873 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 10:50:16,873 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 10:50:16,873 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 10:50:16,873 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 10:50:16,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 750 states. [2018-11-23 10:50:16,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 750 states and 1051 transitions. [2018-11-23 10:50:16,911 INFO L78 Accepts]: Start accepts. Automaton has 750 states and 1051 transitions. Word has length 47 [2018-11-23 10:50:16,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 10:50:16,912 INFO L480 AbstractCegarLoop]: Abstraction has 750 states and 1051 transitions. [2018-11-23 10:50:16,912 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 10:50:16,912 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 1051 transitions. [2018-11-23 10:50:16,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-23 10:50:16,914 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 10:50:16,914 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 10:50:16,914 INFO L423 AbstractCegarLoop]: === Iteration 11 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 10:50:16,915 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 10:50:16,915 INFO L82 PathProgramCache]: Analyzing trace with hash -753875003, now seen corresponding path program 1 times [2018-11-23 10:50:16,915 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 10:50:16,915 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 12 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 10:50:16,931 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 10:50:17,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:50:17,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:50:17,053 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 10:50:17,137 INFO L256 TraceCheckUtils]: 0: Hoare triple {42606#true} call ULTIMATE.init(); {42606#true} is VALID [2018-11-23 10:50:17,137 INFO L273 TraceCheckUtils]: 1: Hoare triple {42606#true} ~s~0 := 0bv32;~UNLOADED~0 := 0bv32;~NP~0 := 0bv32;~DC~0 := 0bv32;~SKIP1~0 := 0bv32;~SKIP2~0 := 0bv32;~MPR1~0 := 0bv32;~MPR3~0 := 0bv32;~IPC~0 := 0bv32;~pended~0 := 0bv32;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32;~routine~0 := 0bv32;~myStatus~0 := 0bv32;~pirp~0 := 0bv32;~Executive~0 := 0bv32;~Suspended~0 := 0bv32;~KernelMode~0 := 0bv32;~DeviceUsageTypePaging~0 := 0bv32; {42606#true} is VALID [2018-11-23 10:50:17,138 INFO L273 TraceCheckUtils]: 2: Hoare triple {42606#true} assume true; {42606#true} is VALID [2018-11-23 10:50:17,138 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {42606#true} {42606#true} #1496#return; {42606#true} is VALID [2018-11-23 10:50:17,138 INFO L256 TraceCheckUtils]: 4: Hoare triple {42606#true} call #t~ret176 := main(); {42606#true} is VALID [2018-11-23 10:50:17,138 INFO L273 TraceCheckUtils]: 5: Hoare triple {42606#true} havoc ~pirp__IoStatus__Status~0;~d~0 := #t~nondet150;havoc #t~nondet150;~status~9 := #t~nondet151;havoc #t~nondet151;~irp~1 := #t~nondet152;havoc #t~nondet152;~we_should_unload~0 := #t~nondet153;havoc #t~nondet153;~irp_choice~0 := #t~nondet154;havoc #t~nondet154;~devobj~0 := #t~nondet155;havoc #t~nondet155;havoc ~__cil_tmp9~1;~s~0 := 0bv32;~UNLOADED~0 := 0bv32;~NP~0 := 0bv32;~DC~0 := 0bv32;~SKIP1~0 := 0bv32;~SKIP2~0 := 0bv32;~MPR1~0 := 0bv32;~MPR3~0 := 0bv32;~IPC~0 := 0bv32;~pended~0 := 0bv32;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32;~routine~0 := 0bv32;~myStatus~0 := 0bv32;~pirp~0 := 0bv32;~Executive~0 := 0bv32;~Suspended~0 := 5bv32;~KernelMode~0 := 0bv32;~DeviceUsageTypePaging~0 := 1bv32;~pirp~0 := ~irp~1; {42606#true} is VALID [2018-11-23 10:50:17,138 INFO L256 TraceCheckUtils]: 6: Hoare triple {42606#true} call _BLAST_init(); {42606#true} is VALID [2018-11-23 10:50:17,139 INFO L273 TraceCheckUtils]: 7: Hoare triple {42606#true} ~UNLOADED~0 := 0bv32;~NP~0 := 1bv32;~DC~0 := 2bv32;~SKIP1~0 := 3bv32;~SKIP2~0 := 4bv32;~MPR1~0 := 5bv32;~MPR3~0 := 6bv32;~IPC~0 := 7bv32;~s~0 := ~UNLOADED~0;~pended~0 := 0bv32;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32; {42606#true} is VALID [2018-11-23 10:50:17,139 INFO L273 TraceCheckUtils]: 8: Hoare triple {42606#true} assume true; {42606#true} is VALID [2018-11-23 10:50:17,139 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {42606#true} {42606#true} #1364#return; {42606#true} is VALID [2018-11-23 10:50:17,139 INFO L273 TraceCheckUtils]: 10: Hoare triple {42606#true} assume ~bvsge32(~status~9, 0bv32);~s~0 := ~NP~0;~customIrp~0 := 0bv32;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0;~pirp__IoStatus__Status~0 := 0bv32;~myStatus~0 := 0bv32; {42606#true} is VALID [2018-11-23 10:50:17,139 INFO L273 TraceCheckUtils]: 11: Hoare triple {42606#true} assume 0bv32 == ~irp_choice~0;~pirp__IoStatus__Status~0 := 3221225659bv32;~myStatus~0 := 3221225659bv32; {42606#true} is VALID [2018-11-23 10:50:17,140 INFO L256 TraceCheckUtils]: 12: Hoare triple {42606#true} call stub_driver_init(); {42606#true} is VALID [2018-11-23 10:50:17,140 INFO L273 TraceCheckUtils]: 13: Hoare triple {42606#true} ~s~0 := ~NP~0;~customIrp~0 := 0bv32;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0; {42606#true} is VALID [2018-11-23 10:50:17,140 INFO L273 TraceCheckUtils]: 14: Hoare triple {42606#true} assume true; {42606#true} is VALID [2018-11-23 10:50:17,140 INFO L268 TraceCheckUtils]: 15: Hoare quadruple {42606#true} {42606#true} #1366#return; {42606#true} is VALID [2018-11-23 10:50:17,140 INFO L273 TraceCheckUtils]: 16: Hoare triple {42606#true} assume !~bvslt32(~status~9, 0bv32);havoc ~tmp_ndt_1~0;~tmp_ndt_1~0 := #t~nondet156;havoc #t~nondet156; {42606#true} is VALID [2018-11-23 10:50:17,140 INFO L273 TraceCheckUtils]: 17: Hoare triple {42606#true} assume !(2bv32 == ~tmp_ndt_1~0);havoc ~tmp_ndt_2~0;~tmp_ndt_2~0 := #t~nondet157;havoc #t~nondet157; {42606#true} is VALID [2018-11-23 10:50:17,141 INFO L273 TraceCheckUtils]: 18: Hoare triple {42606#true} assume !(3bv32 == ~tmp_ndt_2~0);havoc ~tmp_ndt_3~0;~tmp_ndt_3~0 := #t~nondet158;havoc #t~nondet158; {42606#true} is VALID [2018-11-23 10:50:17,141 INFO L273 TraceCheckUtils]: 19: Hoare triple {42606#true} assume 4bv32 == ~tmp_ndt_3~0; {42606#true} is VALID [2018-11-23 10:50:17,141 INFO L256 TraceCheckUtils]: 20: Hoare triple {42606#true} call #t~ret161 := CdAudioPower(~devobj~0, ~pirp~0); {42606#true} is VALID [2018-11-23 10:50:17,141 INFO L273 TraceCheckUtils]: 21: Hoare triple {42606#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;~Irp__CurrentLocation~1 := #t~nondet144;havoc #t~nondet144;~Irp__Tail__Overlay__CurrentStackLocation~3 := #t~nondet145;havoc #t~nondet145;~deviceExtension__TargetDeviceObject~4 := #t~nondet146;havoc #t~nondet146;havoc ~tmp~7; {42606#true} is VALID [2018-11-23 10:50:17,141 INFO L273 TraceCheckUtils]: 22: Hoare triple {42606#true} assume ~s~0 == ~NP~0;~s~0 := ~SKIP1~0; {42606#true} is VALID [2018-11-23 10:50:17,141 INFO L273 TraceCheckUtils]: 23: Hoare triple {42606#true} #t~post147 := ~Irp__CurrentLocation~1;~Irp__CurrentLocation~1 := ~bvadd32(1bv32, #t~post147);havoc #t~post147;#t~post148 := ~Irp__Tail__Overlay__CurrentStackLocation~3;~Irp__Tail__Overlay__CurrentStackLocation~3 := ~bvadd32(1bv32, #t~post148);havoc #t~post148; {42606#true} is VALID [2018-11-23 10:50:17,142 INFO L256 TraceCheckUtils]: 24: Hoare triple {42606#true} call #t~ret149 := PoCallDriver(~deviceExtension__TargetDeviceObject~4, ~Irp); {42606#true} is VALID [2018-11-23 10:50:17,142 INFO L273 TraceCheckUtils]: 25: Hoare triple {42606#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;havoc ~compRetStatus~1;havoc ~returnVal~0;~lcontext~1 := #t~nondet170;havoc #t~nondet170;havoc ~__cil_tmp7~0;havoc ~__cil_tmp8~2; {42606#true} is VALID [2018-11-23 10:50:17,142 INFO L273 TraceCheckUtils]: 26: Hoare triple {42606#true} assume !(0bv32 != ~compRegistered~0); {42606#true} is VALID [2018-11-23 10:50:17,142 INFO L273 TraceCheckUtils]: 27: Hoare triple {42606#true} havoc ~tmp_ndt_8~0;~tmp_ndt_8~0 := #t~nondet173;havoc #t~nondet173; {42606#true} is VALID [2018-11-23 10:50:17,142 INFO L273 TraceCheckUtils]: 28: Hoare triple {42606#true} assume 0bv32 == ~tmp_ndt_8~0; {42606#true} is VALID [2018-11-23 10:50:17,142 INFO L273 TraceCheckUtils]: 29: Hoare triple {42606#true} ~returnVal~0 := 0bv32; {42606#true} is VALID [2018-11-23 10:50:17,144 INFO L273 TraceCheckUtils]: 30: Hoare triple {42606#true} assume ~s~0 == ~NP~0;~s~0 := ~IPC~0;~lowerDriverReturn~0 := ~returnVal~0; {42701#(= ~IPC~0 ~s~0)} is VALID [2018-11-23 10:50:17,144 INFO L273 TraceCheckUtils]: 31: Hoare triple {42701#(= ~IPC~0 ~s~0)} #res := ~returnVal~0; {42701#(= ~IPC~0 ~s~0)} is VALID [2018-11-23 10:50:17,145 INFO L273 TraceCheckUtils]: 32: Hoare triple {42701#(= ~IPC~0 ~s~0)} assume true; {42701#(= ~IPC~0 ~s~0)} is VALID [2018-11-23 10:50:17,145 INFO L268 TraceCheckUtils]: 33: Hoare quadruple {42701#(= ~IPC~0 ~s~0)} {42606#true} #1408#return; {42701#(= ~IPC~0 ~s~0)} is VALID [2018-11-23 10:50:17,146 INFO L273 TraceCheckUtils]: 34: Hoare triple {42701#(= ~IPC~0 ~s~0)} ~tmp~7 := #t~ret149;havoc #t~ret149;#res := ~tmp~7; {42701#(= ~IPC~0 ~s~0)} is VALID [2018-11-23 10:50:17,149 INFO L273 TraceCheckUtils]: 35: Hoare triple {42701#(= ~IPC~0 ~s~0)} assume true; {42701#(= ~IPC~0 ~s~0)} is VALID [2018-11-23 10:50:17,153 INFO L268 TraceCheckUtils]: 36: Hoare quadruple {42701#(= ~IPC~0 ~s~0)} {42606#true} #1372#return; {42701#(= ~IPC~0 ~s~0)} is VALID [2018-11-23 10:50:17,156 INFO L273 TraceCheckUtils]: 37: Hoare triple {42701#(= ~IPC~0 ~s~0)} ~status~9 := #t~ret161;havoc #t~ret161; {42701#(= ~IPC~0 ~s~0)} is VALID [2018-11-23 10:50:17,157 INFO L273 TraceCheckUtils]: 38: Hoare triple {42701#(= ~IPC~0 ~s~0)} assume !(0bv32 != ~we_should_unload~0); {42701#(= ~IPC~0 ~s~0)} is VALID [2018-11-23 10:50:17,157 INFO L273 TraceCheckUtils]: 39: Hoare triple {42701#(= ~IPC~0 ~s~0)} assume !(1bv32 == ~pended~0); {42701#(= ~IPC~0 ~s~0)} is VALID [2018-11-23 10:50:17,157 INFO L273 TraceCheckUtils]: 40: Hoare triple {42701#(= ~IPC~0 ~s~0)} assume !(1bv32 == ~pended~0); {42701#(= ~IPC~0 ~s~0)} is VALID [2018-11-23 10:50:17,158 INFO L273 TraceCheckUtils]: 41: Hoare triple {42701#(= ~IPC~0 ~s~0)} assume ~s~0 != ~UNLOADED~0; {42701#(= ~IPC~0 ~s~0)} is VALID [2018-11-23 10:50:17,158 INFO L273 TraceCheckUtils]: 42: Hoare triple {42701#(= ~IPC~0 ~s~0)} assume 4294967295bv32 != ~status~9; {42701#(= ~IPC~0 ~s~0)} is VALID [2018-11-23 10:50:17,158 INFO L273 TraceCheckUtils]: 43: Hoare triple {42701#(= ~IPC~0 ~s~0)} assume ~s~0 != ~SKIP2~0; {42701#(= ~IPC~0 ~s~0)} is VALID [2018-11-23 10:50:17,159 INFO L273 TraceCheckUtils]: 44: Hoare triple {42701#(= ~IPC~0 ~s~0)} assume ~s~0 != ~IPC~0; {42607#false} is VALID [2018-11-23 10:50:17,159 INFO L273 TraceCheckUtils]: 45: Hoare triple {42607#false} assume ~s~0 != ~DC~0; {42607#false} is VALID [2018-11-23 10:50:17,159 INFO L256 TraceCheckUtils]: 46: Hoare triple {42607#false} call errorFn(); {42607#false} is VALID [2018-11-23 10:50:17,159 INFO L273 TraceCheckUtils]: 47: Hoare triple {42607#false} assume !false; {42607#false} is VALID [2018-11-23 10:50:17,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 10:50:17,160 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 10:50:17,162 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 10:50:17,162 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 10:50:17,162 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-11-23 10:50:17,163 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 10:50:17,163 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2018-11-23 10:50:17,214 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 48 edges. 48 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 10:50:17,215 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 10:50:17,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 10:50:17,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 10:50:17,215 INFO L87 Difference]: Start difference. First operand 750 states and 1051 transitions. Second operand 3 states. [2018-11-23 10:50:21,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:50:21,062 INFO L93 Difference]: Finished difference Result 938 states and 1298 transitions. [2018-11-23 10:50:21,062 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 10:50:21,062 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-11-23 10:50:21,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 10:50:21,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 10:50:21,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 888 transitions. [2018-11-23 10:50:21,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 10:50:21,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 888 transitions. [2018-11-23 10:50:21,077 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 888 transitions. [2018-11-23 10:50:22,122 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 888 edges. 888 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 10:50:22,167 INFO L225 Difference]: With dead ends: 938 [2018-11-23 10:50:22,168 INFO L226 Difference]: Without dead ends: 928 [2018-11-23 10:50:22,168 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 10:50:22,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 928 states. [2018-11-23 10:50:25,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 928 to 825. [2018-11-23 10:50:25,233 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 10:50:25,233 INFO L82 GeneralOperation]: Start isEquivalent. First operand 928 states. Second operand 825 states. [2018-11-23 10:50:25,233 INFO L74 IsIncluded]: Start isIncluded. First operand 928 states. Second operand 825 states. [2018-11-23 10:50:25,233 INFO L87 Difference]: Start difference. First operand 928 states. Second operand 825 states. [2018-11-23 10:50:25,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:50:25,284 INFO L93 Difference]: Finished difference Result 928 states and 1286 transitions. [2018-11-23 10:50:25,284 INFO L276 IsEmpty]: Start isEmpty. Operand 928 states and 1286 transitions. [2018-11-23 10:50:25,286 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 10:50:25,287 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 10:50:25,287 INFO L74 IsIncluded]: Start isIncluded. First operand 825 states. Second operand 928 states. [2018-11-23 10:50:25,287 INFO L87 Difference]: Start difference. First operand 825 states. Second operand 928 states. [2018-11-23 10:50:25,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:50:25,327 INFO L93 Difference]: Finished difference Result 928 states and 1286 transitions. [2018-11-23 10:50:25,327 INFO L276 IsEmpty]: Start isEmpty. Operand 928 states and 1286 transitions. [2018-11-23 10:50:25,329 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 10:50:25,329 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 10:50:25,329 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 10:50:25,329 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 10:50:25,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 825 states. [2018-11-23 10:50:25,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 825 states to 825 states and 1138 transitions. [2018-11-23 10:50:25,364 INFO L78 Accepts]: Start accepts. Automaton has 825 states and 1138 transitions. Word has length 48 [2018-11-23 10:50:25,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 10:50:25,364 INFO L480 AbstractCegarLoop]: Abstraction has 825 states and 1138 transitions. [2018-11-23 10:50:25,364 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 10:50:25,364 INFO L276 IsEmpty]: Start isEmpty. Operand 825 states and 1138 transitions. [2018-11-23 10:50:25,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-23 10:50:25,366 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 10:50:25,366 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 10:50:25,366 INFO L423 AbstractCegarLoop]: === Iteration 12 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 10:50:25,366 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 10:50:25,366 INFO L82 PathProgramCache]: Analyzing trace with hash -1451417877, now seen corresponding path program 1 times [2018-11-23 10:50:25,366 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 10:50:25,367 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 13 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 10:50:25,388 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 10:50:25,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:50:25,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:50:25,503 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 10:50:25,669 INFO L256 TraceCheckUtils]: 0: Hoare triple {46901#true} call ULTIMATE.init(); {46901#true} is VALID [2018-11-23 10:50:25,669 INFO L273 TraceCheckUtils]: 1: Hoare triple {46901#true} ~s~0 := 0bv32;~UNLOADED~0 := 0bv32;~NP~0 := 0bv32;~DC~0 := 0bv32;~SKIP1~0 := 0bv32;~SKIP2~0 := 0bv32;~MPR1~0 := 0bv32;~MPR3~0 := 0bv32;~IPC~0 := 0bv32;~pended~0 := 0bv32;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32;~routine~0 := 0bv32;~myStatus~0 := 0bv32;~pirp~0 := 0bv32;~Executive~0 := 0bv32;~Suspended~0 := 0bv32;~KernelMode~0 := 0bv32;~DeviceUsageTypePaging~0 := 0bv32; {46901#true} is VALID [2018-11-23 10:50:25,669 INFO L273 TraceCheckUtils]: 2: Hoare triple {46901#true} assume true; {46901#true} is VALID [2018-11-23 10:50:25,670 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {46901#true} {46901#true} #1496#return; {46901#true} is VALID [2018-11-23 10:50:25,670 INFO L256 TraceCheckUtils]: 4: Hoare triple {46901#true} call #t~ret176 := main(); {46901#true} is VALID [2018-11-23 10:50:25,670 INFO L273 TraceCheckUtils]: 5: Hoare triple {46901#true} havoc ~pirp__IoStatus__Status~0;~d~0 := #t~nondet150;havoc #t~nondet150;~status~9 := #t~nondet151;havoc #t~nondet151;~irp~1 := #t~nondet152;havoc #t~nondet152;~we_should_unload~0 := #t~nondet153;havoc #t~nondet153;~irp_choice~0 := #t~nondet154;havoc #t~nondet154;~devobj~0 := #t~nondet155;havoc #t~nondet155;havoc ~__cil_tmp9~1;~s~0 := 0bv32;~UNLOADED~0 := 0bv32;~NP~0 := 0bv32;~DC~0 := 0bv32;~SKIP1~0 := 0bv32;~SKIP2~0 := 0bv32;~MPR1~0 := 0bv32;~MPR3~0 := 0bv32;~IPC~0 := 0bv32;~pended~0 := 0bv32;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32;~routine~0 := 0bv32;~myStatus~0 := 0bv32;~pirp~0 := 0bv32;~Executive~0 := 0bv32;~Suspended~0 := 5bv32;~KernelMode~0 := 0bv32;~DeviceUsageTypePaging~0 := 1bv32;~pirp~0 := ~irp~1; {46901#true} is VALID [2018-11-23 10:50:25,670 INFO L256 TraceCheckUtils]: 6: Hoare triple {46901#true} call _BLAST_init(); {46901#true} is VALID [2018-11-23 10:50:25,671 INFO L273 TraceCheckUtils]: 7: Hoare triple {46901#true} ~UNLOADED~0 := 0bv32;~NP~0 := 1bv32;~DC~0 := 2bv32;~SKIP1~0 := 3bv32;~SKIP2~0 := 4bv32;~MPR1~0 := 5bv32;~MPR3~0 := 6bv32;~IPC~0 := 7bv32;~s~0 := ~UNLOADED~0;~pended~0 := 0bv32;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32; {46927#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0))} is VALID [2018-11-23 10:50:25,672 INFO L273 TraceCheckUtils]: 8: Hoare triple {46927#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0))} assume true; {46927#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0))} is VALID [2018-11-23 10:50:25,672 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {46927#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0))} {46901#true} #1364#return; {46927#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0))} is VALID [2018-11-23 10:50:25,677 INFO L273 TraceCheckUtils]: 10: Hoare triple {46927#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0))} assume ~bvsge32(~status~9, 0bv32);~s~0 := ~NP~0;~customIrp~0 := 0bv32;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0;~pirp__IoStatus__Status~0 := 0bv32;~myStatus~0 := 0bv32; {46927#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0))} is VALID [2018-11-23 10:50:25,677 INFO L273 TraceCheckUtils]: 11: Hoare triple {46927#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0))} assume 0bv32 == ~irp_choice~0;~pirp__IoStatus__Status~0 := 3221225659bv32;~myStatus~0 := 3221225659bv32; {46927#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0))} is VALID [2018-11-23 10:50:25,678 INFO L256 TraceCheckUtils]: 12: Hoare triple {46927#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0))} call stub_driver_init(); {46927#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0))} is VALID [2018-11-23 10:50:25,678 INFO L273 TraceCheckUtils]: 13: Hoare triple {46927#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0))} ~s~0 := ~NP~0;~customIrp~0 := 0bv32;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0; {46927#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0))} is VALID [2018-11-23 10:50:25,679 INFO L273 TraceCheckUtils]: 14: Hoare triple {46927#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0))} assume true; {46927#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0))} is VALID [2018-11-23 10:50:25,679 INFO L268 TraceCheckUtils]: 15: Hoare quadruple {46927#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0))} {46927#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0))} #1366#return; {46927#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0))} is VALID [2018-11-23 10:50:25,680 INFO L273 TraceCheckUtils]: 16: Hoare triple {46927#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0))} assume !~bvslt32(~status~9, 0bv32);havoc ~tmp_ndt_1~0;~tmp_ndt_1~0 := #t~nondet156;havoc #t~nondet156; {46927#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0))} is VALID [2018-11-23 10:50:25,680 INFO L273 TraceCheckUtils]: 17: Hoare triple {46927#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0))} assume !(2bv32 == ~tmp_ndt_1~0);havoc ~tmp_ndt_2~0;~tmp_ndt_2~0 := #t~nondet157;havoc #t~nondet157; {46927#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0))} is VALID [2018-11-23 10:50:25,681 INFO L273 TraceCheckUtils]: 18: Hoare triple {46927#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0))} assume !(3bv32 == ~tmp_ndt_2~0);havoc ~tmp_ndt_3~0;~tmp_ndt_3~0 := #t~nondet158;havoc #t~nondet158; {46927#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0))} is VALID [2018-11-23 10:50:25,681 INFO L273 TraceCheckUtils]: 19: Hoare triple {46927#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0))} assume 4bv32 == ~tmp_ndt_3~0; {46927#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0))} is VALID [2018-11-23 10:50:25,682 INFO L256 TraceCheckUtils]: 20: Hoare triple {46927#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0))} call #t~ret161 := CdAudioPower(~devobj~0, ~pirp~0); {46927#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0))} is VALID [2018-11-23 10:50:25,683 INFO L273 TraceCheckUtils]: 21: Hoare triple {46927#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0))} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;~Irp__CurrentLocation~1 := #t~nondet144;havoc #t~nondet144;~Irp__Tail__Overlay__CurrentStackLocation~3 := #t~nondet145;havoc #t~nondet145;~deviceExtension__TargetDeviceObject~4 := #t~nondet146;havoc #t~nondet146;havoc ~tmp~7; {46927#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0))} is VALID [2018-11-23 10:50:25,683 INFO L273 TraceCheckUtils]: 22: Hoare triple {46927#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0))} assume ~s~0 == ~NP~0;~s~0 := ~SKIP1~0; {46973#(and (= ~SKIP1~0 ~s~0) (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0))} is VALID [2018-11-23 10:50:25,684 INFO L273 TraceCheckUtils]: 23: Hoare triple {46973#(and (= ~SKIP1~0 ~s~0) (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0))} #t~post147 := ~Irp__CurrentLocation~1;~Irp__CurrentLocation~1 := ~bvadd32(1bv32, #t~post147);havoc #t~post147;#t~post148 := ~Irp__Tail__Overlay__CurrentStackLocation~3;~Irp__Tail__Overlay__CurrentStackLocation~3 := ~bvadd32(1bv32, #t~post148);havoc #t~post148; {46973#(and (= ~SKIP1~0 ~s~0) (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0))} is VALID [2018-11-23 10:50:25,685 INFO L256 TraceCheckUtils]: 24: Hoare triple {46973#(and (= ~SKIP1~0 ~s~0) (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0))} call #t~ret149 := PoCallDriver(~deviceExtension__TargetDeviceObject~4, ~Irp); {46980#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0) (= |old(~s~0)| ~s~0))} is VALID [2018-11-23 10:50:25,686 INFO L273 TraceCheckUtils]: 25: Hoare triple {46980#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0) (= |old(~s~0)| ~s~0))} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;havoc ~compRetStatus~1;havoc ~returnVal~0;~lcontext~1 := #t~nondet170;havoc #t~nondet170;havoc ~__cil_tmp7~0;havoc ~__cil_tmp8~2; {46980#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0) (= |old(~s~0)| ~s~0))} is VALID [2018-11-23 10:50:25,687 INFO L273 TraceCheckUtils]: 26: Hoare triple {46980#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0) (= |old(~s~0)| ~s~0))} assume !(0bv32 != ~compRegistered~0); {46980#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0) (= |old(~s~0)| ~s~0))} is VALID [2018-11-23 10:50:25,688 INFO L273 TraceCheckUtils]: 27: Hoare triple {46980#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0) (= |old(~s~0)| ~s~0))} havoc ~tmp_ndt_8~0;~tmp_ndt_8~0 := #t~nondet173;havoc #t~nondet173; {46980#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0) (= |old(~s~0)| ~s~0))} is VALID [2018-11-23 10:50:25,689 INFO L273 TraceCheckUtils]: 28: Hoare triple {46980#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0) (= |old(~s~0)| ~s~0))} assume 0bv32 == ~tmp_ndt_8~0; {46980#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0) (= |old(~s~0)| ~s~0))} is VALID [2018-11-23 10:50:25,689 INFO L273 TraceCheckUtils]: 29: Hoare triple {46980#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0) (= |old(~s~0)| ~s~0))} ~returnVal~0 := 0bv32; {46980#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0) (= |old(~s~0)| ~s~0))} is VALID [2018-11-23 10:50:25,690 INFO L273 TraceCheckUtils]: 30: Hoare triple {46980#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0) (= |old(~s~0)| ~s~0))} assume ~s~0 == ~NP~0;~s~0 := ~IPC~0;~lowerDriverReturn~0 := ~returnVal~0; {46999#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0) (= |old(~s~0)| ~NP~0))} is VALID [2018-11-23 10:50:25,691 INFO L273 TraceCheckUtils]: 31: Hoare triple {46999#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0) (= |old(~s~0)| ~NP~0))} #res := ~returnVal~0; {46999#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0) (= |old(~s~0)| ~NP~0))} is VALID [2018-11-23 10:50:25,692 INFO L273 TraceCheckUtils]: 32: Hoare triple {46999#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0) (= |old(~s~0)| ~NP~0))} assume true; {46999#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0) (= |old(~s~0)| ~NP~0))} is VALID [2018-11-23 10:50:25,694 INFO L268 TraceCheckUtils]: 33: Hoare quadruple {46999#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0) (= |old(~s~0)| ~NP~0))} {46973#(and (= ~SKIP1~0 ~s~0) (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0))} #1408#return; {46902#false} is VALID [2018-11-23 10:50:25,694 INFO L273 TraceCheckUtils]: 34: Hoare triple {46902#false} ~tmp~7 := #t~ret149;havoc #t~ret149;#res := ~tmp~7; {46902#false} is VALID [2018-11-23 10:50:25,694 INFO L273 TraceCheckUtils]: 35: Hoare triple {46902#false} assume true; {46902#false} is VALID [2018-11-23 10:50:25,694 INFO L268 TraceCheckUtils]: 36: Hoare quadruple {46902#false} {46927#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0))} #1372#return; {46902#false} is VALID [2018-11-23 10:50:25,695 INFO L273 TraceCheckUtils]: 37: Hoare triple {46902#false} ~status~9 := #t~ret161;havoc #t~ret161; {46902#false} is VALID [2018-11-23 10:50:25,695 INFO L273 TraceCheckUtils]: 38: Hoare triple {46902#false} assume !(0bv32 != ~we_should_unload~0); {46902#false} is VALID [2018-11-23 10:50:25,695 INFO L273 TraceCheckUtils]: 39: Hoare triple {46902#false} assume !(1bv32 == ~pended~0); {46902#false} is VALID [2018-11-23 10:50:25,696 INFO L273 TraceCheckUtils]: 40: Hoare triple {46902#false} assume !(1bv32 == ~pended~0); {46902#false} is VALID [2018-11-23 10:50:25,696 INFO L273 TraceCheckUtils]: 41: Hoare triple {46902#false} assume ~s~0 != ~UNLOADED~0; {46902#false} is VALID [2018-11-23 10:50:25,696 INFO L273 TraceCheckUtils]: 42: Hoare triple {46902#false} assume 4294967295bv32 != ~status~9; {46902#false} is VALID [2018-11-23 10:50:25,696 INFO L273 TraceCheckUtils]: 43: Hoare triple {46902#false} assume !(~s~0 != ~SKIP2~0); {46902#false} is VALID [2018-11-23 10:50:25,697 INFO L273 TraceCheckUtils]: 44: Hoare triple {46902#false} assume 1bv32 != ~pended~0; {46902#false} is VALID [2018-11-23 10:50:25,697 INFO L273 TraceCheckUtils]: 45: Hoare triple {46902#false} assume !(~s~0 == ~DC~0); {46902#false} is VALID [2018-11-23 10:50:25,697 INFO L273 TraceCheckUtils]: 46: Hoare triple {46902#false} assume ~status~9 != ~lowerDriverReturn~0; {46902#false} is VALID [2018-11-23 10:50:25,697 INFO L256 TraceCheckUtils]: 47: Hoare triple {46902#false} call errorFn(); {46902#false} is VALID [2018-11-23 10:50:25,698 INFO L273 TraceCheckUtils]: 48: Hoare triple {46902#false} assume !false; {46902#false} is VALID [2018-11-23 10:50:25,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 10:50:25,703 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 10:50:25,705 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 10:50:25,705 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 10:50:25,705 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 49 [2018-11-23 10:50:25,706 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 10:50:25,706 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2018-11-23 10:50:25,775 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 49 edges. 49 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 10:50:25,775 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 10:50:25,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 10:50:25,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 10:50:25,776 INFO L87 Difference]: Start difference. First operand 825 states and 1138 transitions. Second operand 6 states. [2018-11-23 10:50:38,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:50:38,030 INFO L93 Difference]: Finished difference Result 1115 states and 1577 transitions. [2018-11-23 10:50:38,030 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 10:50:38,030 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 49 [2018-11-23 10:50:38,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 10:50:38,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-11-23 10:50:38,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1169 transitions. [2018-11-23 10:50:38,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-11-23 10:50:38,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1169 transitions. [2018-11-23 10:50:38,055 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 1169 transitions. [2018-11-23 10:50:39,978 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 1169 edges. 1169 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 10:50:40,034 INFO L225 Difference]: With dead ends: 1115 [2018-11-23 10:50:40,034 INFO L226 Difference]: Without dead ends: 1056 [2018-11-23 10:50:40,035 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 43 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-23 10:50:40,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1056 states. [2018-11-23 10:50:41,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1056 to 828. [2018-11-23 10:50:41,620 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 10:50:41,620 INFO L82 GeneralOperation]: Start isEquivalent. First operand 1056 states. Second operand 828 states. [2018-11-23 10:50:41,620 INFO L74 IsIncluded]: Start isIncluded. First operand 1056 states. Second operand 828 states. [2018-11-23 10:50:41,620 INFO L87 Difference]: Start difference. First operand 1056 states. Second operand 828 states. [2018-11-23 10:50:41,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:50:41,690 INFO L93 Difference]: Finished difference Result 1056 states and 1505 transitions. [2018-11-23 10:50:41,690 INFO L276 IsEmpty]: Start isEmpty. Operand 1056 states and 1505 transitions. [2018-11-23 10:50:41,693 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 10:50:41,693 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 10:50:41,693 INFO L74 IsIncluded]: Start isIncluded. First operand 828 states. Second operand 1056 states. [2018-11-23 10:50:41,693 INFO L87 Difference]: Start difference. First operand 828 states. Second operand 1056 states. [2018-11-23 10:50:41,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:50:41,765 INFO L93 Difference]: Finished difference Result 1056 states and 1505 transitions. [2018-11-23 10:50:41,766 INFO L276 IsEmpty]: Start isEmpty. Operand 1056 states and 1505 transitions. [2018-11-23 10:50:41,769 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 10:50:41,769 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 10:50:41,769 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 10:50:41,769 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 10:50:41,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 828 states. [2018-11-23 10:50:41,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 828 states and 1145 transitions. [2018-11-23 10:50:41,828 INFO L78 Accepts]: Start accepts. Automaton has 828 states and 1145 transitions. Word has length 49 [2018-11-23 10:50:41,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 10:50:41,828 INFO L480 AbstractCegarLoop]: Abstraction has 828 states and 1145 transitions. [2018-11-23 10:50:41,828 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 10:50:41,828 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 1145 transitions. [2018-11-23 10:50:41,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-23 10:50:41,831 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 10:50:41,832 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 10:50:41,832 INFO L423 AbstractCegarLoop]: === Iteration 13 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 10:50:41,832 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 10:50:41,832 INFO L82 PathProgramCache]: Analyzing trace with hash 1035590368, now seen corresponding path program 1 times [2018-11-23 10:50:41,833 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 10:50:41,833 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 14 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 10:50:41,863 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 10:50:41,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:50:41,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:50:41,988 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 10:50:42,110 INFO L256 TraceCheckUtils]: 0: Hoare triple {51685#true} call ULTIMATE.init(); {51685#true} is VALID [2018-11-23 10:50:42,110 INFO L273 TraceCheckUtils]: 1: Hoare triple {51685#true} ~s~0 := 0bv32;~UNLOADED~0 := 0bv32;~NP~0 := 0bv32;~DC~0 := 0bv32;~SKIP1~0 := 0bv32;~SKIP2~0 := 0bv32;~MPR1~0 := 0bv32;~MPR3~0 := 0bv32;~IPC~0 := 0bv32;~pended~0 := 0bv32;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32;~routine~0 := 0bv32;~myStatus~0 := 0bv32;~pirp~0 := 0bv32;~Executive~0 := 0bv32;~Suspended~0 := 0bv32;~KernelMode~0 := 0bv32;~DeviceUsageTypePaging~0 := 0bv32; {51685#true} is VALID [2018-11-23 10:50:42,110 INFO L273 TraceCheckUtils]: 2: Hoare triple {51685#true} assume true; {51685#true} is VALID [2018-11-23 10:50:42,111 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {51685#true} {51685#true} #1496#return; {51685#true} is VALID [2018-11-23 10:50:42,111 INFO L256 TraceCheckUtils]: 4: Hoare triple {51685#true} call #t~ret176 := main(); {51685#true} is VALID [2018-11-23 10:50:42,111 INFO L273 TraceCheckUtils]: 5: Hoare triple {51685#true} havoc ~pirp__IoStatus__Status~0;~d~0 := #t~nondet150;havoc #t~nondet150;~status~9 := #t~nondet151;havoc #t~nondet151;~irp~1 := #t~nondet152;havoc #t~nondet152;~we_should_unload~0 := #t~nondet153;havoc #t~nondet153;~irp_choice~0 := #t~nondet154;havoc #t~nondet154;~devobj~0 := #t~nondet155;havoc #t~nondet155;havoc ~__cil_tmp9~1;~s~0 := 0bv32;~UNLOADED~0 := 0bv32;~NP~0 := 0bv32;~DC~0 := 0bv32;~SKIP1~0 := 0bv32;~SKIP2~0 := 0bv32;~MPR1~0 := 0bv32;~MPR3~0 := 0bv32;~IPC~0 := 0bv32;~pended~0 := 0bv32;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32;~routine~0 := 0bv32;~myStatus~0 := 0bv32;~pirp~0 := 0bv32;~Executive~0 := 0bv32;~Suspended~0 := 5bv32;~KernelMode~0 := 0bv32;~DeviceUsageTypePaging~0 := 1bv32;~pirp~0 := ~irp~1; {51685#true} is VALID [2018-11-23 10:50:42,111 INFO L256 TraceCheckUtils]: 6: Hoare triple {51685#true} call _BLAST_init(); {51685#true} is VALID [2018-11-23 10:50:42,111 INFO L273 TraceCheckUtils]: 7: Hoare triple {51685#true} ~UNLOADED~0 := 0bv32;~NP~0 := 1bv32;~DC~0 := 2bv32;~SKIP1~0 := 3bv32;~SKIP2~0 := 4bv32;~MPR1~0 := 5bv32;~MPR3~0 := 6bv32;~IPC~0 := 7bv32;~s~0 := ~UNLOADED~0;~pended~0 := 0bv32;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32; {51685#true} is VALID [2018-11-23 10:50:42,112 INFO L273 TraceCheckUtils]: 8: Hoare triple {51685#true} assume true; {51685#true} is VALID [2018-11-23 10:50:42,112 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {51685#true} {51685#true} #1364#return; {51685#true} is VALID [2018-11-23 10:50:42,112 INFO L273 TraceCheckUtils]: 10: Hoare triple {51685#true} assume ~bvsge32(~status~9, 0bv32);~s~0 := ~NP~0;~customIrp~0 := 0bv32;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0;~pirp__IoStatus__Status~0 := 0bv32;~myStatus~0 := 0bv32; {51685#true} is VALID [2018-11-23 10:50:42,112 INFO L273 TraceCheckUtils]: 11: Hoare triple {51685#true} assume 0bv32 == ~irp_choice~0;~pirp__IoStatus__Status~0 := 3221225659bv32;~myStatus~0 := 3221225659bv32; {51685#true} is VALID [2018-11-23 10:50:42,112 INFO L256 TraceCheckUtils]: 12: Hoare triple {51685#true} call stub_driver_init(); {51685#true} is VALID [2018-11-23 10:50:42,112 INFO L273 TraceCheckUtils]: 13: Hoare triple {51685#true} ~s~0 := ~NP~0;~customIrp~0 := 0bv32;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0; {51685#true} is VALID [2018-11-23 10:50:42,112 INFO L273 TraceCheckUtils]: 14: Hoare triple {51685#true} assume true; {51685#true} is VALID [2018-11-23 10:50:42,112 INFO L268 TraceCheckUtils]: 15: Hoare quadruple {51685#true} {51685#true} #1366#return; {51685#true} is VALID [2018-11-23 10:50:42,113 INFO L273 TraceCheckUtils]: 16: Hoare triple {51685#true} assume !~bvslt32(~status~9, 0bv32);havoc ~tmp_ndt_1~0;~tmp_ndt_1~0 := #t~nondet156;havoc #t~nondet156; {51685#true} is VALID [2018-11-23 10:50:42,113 INFO L273 TraceCheckUtils]: 17: Hoare triple {51685#true} assume !(2bv32 == ~tmp_ndt_1~0);havoc ~tmp_ndt_2~0;~tmp_ndt_2~0 := #t~nondet157;havoc #t~nondet157; {51685#true} is VALID [2018-11-23 10:50:42,113 INFO L273 TraceCheckUtils]: 18: Hoare triple {51685#true} assume !(3bv32 == ~tmp_ndt_2~0);havoc ~tmp_ndt_3~0;~tmp_ndt_3~0 := #t~nondet158;havoc #t~nondet158; {51685#true} is VALID [2018-11-23 10:50:42,113 INFO L273 TraceCheckUtils]: 19: Hoare triple {51685#true} assume 4bv32 == ~tmp_ndt_3~0; {51685#true} is VALID [2018-11-23 10:50:42,113 INFO L256 TraceCheckUtils]: 20: Hoare triple {51685#true} call #t~ret161 := CdAudioPower(~devobj~0, ~pirp~0); {51685#true} is VALID [2018-11-23 10:50:42,113 INFO L273 TraceCheckUtils]: 21: Hoare triple {51685#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;~Irp__CurrentLocation~1 := #t~nondet144;havoc #t~nondet144;~Irp__Tail__Overlay__CurrentStackLocation~3 := #t~nondet145;havoc #t~nondet145;~deviceExtension__TargetDeviceObject~4 := #t~nondet146;havoc #t~nondet146;havoc ~tmp~7; {51685#true} is VALID [2018-11-23 10:50:42,113 INFO L273 TraceCheckUtils]: 22: Hoare triple {51685#true} assume ~s~0 == ~NP~0;~s~0 := ~SKIP1~0; {51685#true} is VALID [2018-11-23 10:50:42,114 INFO L273 TraceCheckUtils]: 23: Hoare triple {51685#true} #t~post147 := ~Irp__CurrentLocation~1;~Irp__CurrentLocation~1 := ~bvadd32(1bv32, #t~post147);havoc #t~post147;#t~post148 := ~Irp__Tail__Overlay__CurrentStackLocation~3;~Irp__Tail__Overlay__CurrentStackLocation~3 := ~bvadd32(1bv32, #t~post148);havoc #t~post148; {51685#true} is VALID [2018-11-23 10:50:42,114 INFO L256 TraceCheckUtils]: 24: Hoare triple {51685#true} call #t~ret149 := PoCallDriver(~deviceExtension__TargetDeviceObject~4, ~Irp); {51685#true} is VALID [2018-11-23 10:50:42,114 INFO L273 TraceCheckUtils]: 25: Hoare triple {51685#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;havoc ~compRetStatus~1;havoc ~returnVal~0;~lcontext~1 := #t~nondet170;havoc #t~nondet170;havoc ~__cil_tmp7~0;havoc ~__cil_tmp8~2; {51685#true} is VALID [2018-11-23 10:50:42,114 INFO L273 TraceCheckUtils]: 26: Hoare triple {51685#true} assume !(0bv32 != ~compRegistered~0); {51685#true} is VALID [2018-11-23 10:50:42,114 INFO L273 TraceCheckUtils]: 27: Hoare triple {51685#true} havoc ~tmp_ndt_8~0;~tmp_ndt_8~0 := #t~nondet173;havoc #t~nondet173; {51685#true} is VALID [2018-11-23 10:50:42,114 INFO L273 TraceCheckUtils]: 28: Hoare triple {51685#true} assume 0bv32 == ~tmp_ndt_8~0; {51685#true} is VALID [2018-11-23 10:50:42,114 INFO L273 TraceCheckUtils]: 29: Hoare triple {51685#true} ~returnVal~0 := 0bv32; {51685#true} is VALID [2018-11-23 10:50:42,114 INFO L273 TraceCheckUtils]: 30: Hoare triple {51685#true} assume !(~s~0 == ~NP~0); {51685#true} is VALID [2018-11-23 10:50:42,115 INFO L273 TraceCheckUtils]: 31: Hoare triple {51685#true} assume !(~s~0 == ~MPR1~0); {51685#true} is VALID [2018-11-23 10:50:42,115 INFO L273 TraceCheckUtils]: 32: Hoare triple {51685#true} assume ~s~0 == ~SKIP1~0;~s~0 := ~SKIP2~0;~lowerDriverReturn~0 := ~returnVal~0; {51786#(= ~SKIP2~0 ~s~0)} is VALID [2018-11-23 10:50:42,116 INFO L273 TraceCheckUtils]: 33: Hoare triple {51786#(= ~SKIP2~0 ~s~0)} #res := ~returnVal~0; {51786#(= ~SKIP2~0 ~s~0)} is VALID [2018-11-23 10:50:42,116 INFO L273 TraceCheckUtils]: 34: Hoare triple {51786#(= ~SKIP2~0 ~s~0)} assume true; {51786#(= ~SKIP2~0 ~s~0)} is VALID [2018-11-23 10:50:42,116 INFO L268 TraceCheckUtils]: 35: Hoare quadruple {51786#(= ~SKIP2~0 ~s~0)} {51685#true} #1408#return; {51786#(= ~SKIP2~0 ~s~0)} is VALID [2018-11-23 10:50:42,117 INFO L273 TraceCheckUtils]: 36: Hoare triple {51786#(= ~SKIP2~0 ~s~0)} ~tmp~7 := #t~ret149;havoc #t~ret149;#res := ~tmp~7; {51786#(= ~SKIP2~0 ~s~0)} is VALID [2018-11-23 10:50:42,117 INFO L273 TraceCheckUtils]: 37: Hoare triple {51786#(= ~SKIP2~0 ~s~0)} assume true; {51786#(= ~SKIP2~0 ~s~0)} is VALID [2018-11-23 10:50:42,118 INFO L268 TraceCheckUtils]: 38: Hoare quadruple {51786#(= ~SKIP2~0 ~s~0)} {51685#true} #1372#return; {51786#(= ~SKIP2~0 ~s~0)} is VALID [2018-11-23 10:50:42,118 INFO L273 TraceCheckUtils]: 39: Hoare triple {51786#(= ~SKIP2~0 ~s~0)} ~status~9 := #t~ret161;havoc #t~ret161; {51786#(= ~SKIP2~0 ~s~0)} is VALID [2018-11-23 10:50:42,118 INFO L273 TraceCheckUtils]: 40: Hoare triple {51786#(= ~SKIP2~0 ~s~0)} assume !(0bv32 != ~we_should_unload~0); {51786#(= ~SKIP2~0 ~s~0)} is VALID [2018-11-23 10:50:42,119 INFO L273 TraceCheckUtils]: 41: Hoare triple {51786#(= ~SKIP2~0 ~s~0)} assume !(1bv32 == ~pended~0); {51786#(= ~SKIP2~0 ~s~0)} is VALID [2018-11-23 10:50:42,119 INFO L273 TraceCheckUtils]: 42: Hoare triple {51786#(= ~SKIP2~0 ~s~0)} assume !(1bv32 == ~pended~0); {51786#(= ~SKIP2~0 ~s~0)} is VALID [2018-11-23 10:50:42,119 INFO L273 TraceCheckUtils]: 43: Hoare triple {51786#(= ~SKIP2~0 ~s~0)} assume ~s~0 != ~UNLOADED~0; {51786#(= ~SKIP2~0 ~s~0)} is VALID [2018-11-23 10:50:42,120 INFO L273 TraceCheckUtils]: 44: Hoare triple {51786#(= ~SKIP2~0 ~s~0)} assume 4294967295bv32 != ~status~9; {51786#(= ~SKIP2~0 ~s~0)} is VALID [2018-11-23 10:50:42,120 INFO L273 TraceCheckUtils]: 45: Hoare triple {51786#(= ~SKIP2~0 ~s~0)} assume ~s~0 != ~SKIP2~0; {51686#false} is VALID [2018-11-23 10:50:42,121 INFO L273 TraceCheckUtils]: 46: Hoare triple {51686#false} assume ~s~0 != ~IPC~0; {51686#false} is VALID [2018-11-23 10:50:42,121 INFO L273 TraceCheckUtils]: 47: Hoare triple {51686#false} assume ~s~0 != ~DC~0; {51686#false} is VALID [2018-11-23 10:50:42,121 INFO L256 TraceCheckUtils]: 48: Hoare triple {51686#false} call errorFn(); {51686#false} is VALID [2018-11-23 10:50:42,121 INFO L273 TraceCheckUtils]: 49: Hoare triple {51686#false} assume !false; {51686#false} is VALID [2018-11-23 10:50:42,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 10:50:42,124 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 10:50:42,125 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 10:50:42,125 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 10:50:42,126 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 50 [2018-11-23 10:50:42,126 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 10:50:42,126 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2018-11-23 10:50:42,183 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 50 edges. 50 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 10:50:42,183 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 10:50:42,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 10:50:42,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 10:50:42,184 INFO L87 Difference]: Start difference. First operand 828 states and 1145 transitions. Second operand 3 states. [2018-11-23 10:50:47,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:50:47,602 INFO L93 Difference]: Finished difference Result 1016 states and 1394 transitions. [2018-11-23 10:50:47,602 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 10:50:47,602 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 50 [2018-11-23 10:50:47,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 10:50:47,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 10:50:47,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 887 transitions. [2018-11-23 10:50:47,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 10:50:47,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 887 transitions. [2018-11-23 10:50:47,616 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 887 transitions. [2018-11-23 10:50:48,604 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 887 edges. 887 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 10:50:48,658 INFO L225 Difference]: With dead ends: 1016 [2018-11-23 10:50:48,659 INFO L226 Difference]: Without dead ends: 1005 [2018-11-23 10:50:48,659 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 10:50:48,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1005 states. [2018-11-23 10:50:51,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1005 to 902. [2018-11-23 10:50:51,506 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 10:50:51,506 INFO L82 GeneralOperation]: Start isEquivalent. First operand 1005 states. Second operand 902 states. [2018-11-23 10:50:51,506 INFO L74 IsIncluded]: Start isIncluded. First operand 1005 states. Second operand 902 states. [2018-11-23 10:50:51,506 INFO L87 Difference]: Start difference. First operand 1005 states. Second operand 902 states. [2018-11-23 10:50:51,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:50:51,547 INFO L93 Difference]: Finished difference Result 1005 states and 1380 transitions. [2018-11-23 10:50:51,547 INFO L276 IsEmpty]: Start isEmpty. Operand 1005 states and 1380 transitions. [2018-11-23 10:50:51,549 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 10:50:51,549 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 10:50:51,549 INFO L74 IsIncluded]: Start isIncluded. First operand 902 states. Second operand 1005 states. [2018-11-23 10:50:51,549 INFO L87 Difference]: Start difference. First operand 902 states. Second operand 1005 states. [2018-11-23 10:50:51,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:50:51,588 INFO L93 Difference]: Finished difference Result 1005 states and 1380 transitions. [2018-11-23 10:50:51,588 INFO L276 IsEmpty]: Start isEmpty. Operand 1005 states and 1380 transitions. [2018-11-23 10:50:51,589 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 10:50:51,590 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 10:50:51,590 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 10:50:51,590 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 10:50:51,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 902 states. [2018-11-23 10:50:51,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 902 states and 1230 transitions. [2018-11-23 10:50:51,645 INFO L78 Accepts]: Start accepts. Automaton has 902 states and 1230 transitions. Word has length 50 [2018-11-23 10:50:51,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 10:50:51,645 INFO L480 AbstractCegarLoop]: Abstraction has 902 states and 1230 transitions. [2018-11-23 10:50:51,645 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 10:50:51,645 INFO L276 IsEmpty]: Start isEmpty. Operand 902 states and 1230 transitions. [2018-11-23 10:50:51,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-23 10:50:51,647 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 10:50:51,647 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 10:50:51,648 INFO L423 AbstractCegarLoop]: === Iteration 14 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 10:50:51,648 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 10:50:51,648 INFO L82 PathProgramCache]: Analyzing trace with hash -1411925024, now seen corresponding path program 1 times [2018-11-23 10:50:51,648 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 10:50:51,649 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 15 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 10:50:51,665 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 10:50:51,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:50:51,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:50:51,781 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 10:50:52,015 INFO L256 TraceCheckUtils]: 0: Hoare triple {56339#true} call ULTIMATE.init(); {56339#true} is VALID [2018-11-23 10:50:52,015 INFO L273 TraceCheckUtils]: 1: Hoare triple {56339#true} ~s~0 := 0bv32;~UNLOADED~0 := 0bv32;~NP~0 := 0bv32;~DC~0 := 0bv32;~SKIP1~0 := 0bv32;~SKIP2~0 := 0bv32;~MPR1~0 := 0bv32;~MPR3~0 := 0bv32;~IPC~0 := 0bv32;~pended~0 := 0bv32;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32;~routine~0 := 0bv32;~myStatus~0 := 0bv32;~pirp~0 := 0bv32;~Executive~0 := 0bv32;~Suspended~0 := 0bv32;~KernelMode~0 := 0bv32;~DeviceUsageTypePaging~0 := 0bv32; {56339#true} is VALID [2018-11-23 10:50:52,016 INFO L273 TraceCheckUtils]: 2: Hoare triple {56339#true} assume true; {56339#true} is VALID [2018-11-23 10:50:52,016 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {56339#true} {56339#true} #1496#return; {56339#true} is VALID [2018-11-23 10:50:52,016 INFO L256 TraceCheckUtils]: 4: Hoare triple {56339#true} call #t~ret176 := main(); {56339#true} is VALID [2018-11-23 10:50:52,016 INFO L273 TraceCheckUtils]: 5: Hoare triple {56339#true} havoc ~pirp__IoStatus__Status~0;~d~0 := #t~nondet150;havoc #t~nondet150;~status~9 := #t~nondet151;havoc #t~nondet151;~irp~1 := #t~nondet152;havoc #t~nondet152;~we_should_unload~0 := #t~nondet153;havoc #t~nondet153;~irp_choice~0 := #t~nondet154;havoc #t~nondet154;~devobj~0 := #t~nondet155;havoc #t~nondet155;havoc ~__cil_tmp9~1;~s~0 := 0bv32;~UNLOADED~0 := 0bv32;~NP~0 := 0bv32;~DC~0 := 0bv32;~SKIP1~0 := 0bv32;~SKIP2~0 := 0bv32;~MPR1~0 := 0bv32;~MPR3~0 := 0bv32;~IPC~0 := 0bv32;~pended~0 := 0bv32;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32;~routine~0 := 0bv32;~myStatus~0 := 0bv32;~pirp~0 := 0bv32;~Executive~0 := 0bv32;~Suspended~0 := 5bv32;~KernelMode~0 := 0bv32;~DeviceUsageTypePaging~0 := 1bv32;~pirp~0 := ~irp~1; {56339#true} is VALID [2018-11-23 10:50:52,017 INFO L256 TraceCheckUtils]: 6: Hoare triple {56339#true} call _BLAST_init(); {56339#true} is VALID [2018-11-23 10:50:52,018 INFO L273 TraceCheckUtils]: 7: Hoare triple {56339#true} ~UNLOADED~0 := 0bv32;~NP~0 := 1bv32;~DC~0 := 2bv32;~SKIP1~0 := 3bv32;~SKIP2~0 := 4bv32;~MPR1~0 := 5bv32;~MPR3~0 := 6bv32;~IPC~0 := 7bv32;~s~0 := ~UNLOADED~0;~pended~0 := 0bv32;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32; {56365#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)))} is VALID [2018-11-23 10:50:52,018 INFO L273 TraceCheckUtils]: 8: Hoare triple {56365#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)))} assume true; {56365#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)))} is VALID [2018-11-23 10:50:52,022 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {56365#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)))} {56339#true} #1364#return; {56365#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)))} is VALID [2018-11-23 10:50:52,022 INFO L273 TraceCheckUtils]: 10: Hoare triple {56365#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)))} assume ~bvsge32(~status~9, 0bv32);~s~0 := ~NP~0;~customIrp~0 := 0bv32;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0;~pirp__IoStatus__Status~0 := 0bv32;~myStatus~0 := 0bv32; {56365#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)))} is VALID [2018-11-23 10:50:52,024 INFO L273 TraceCheckUtils]: 11: Hoare triple {56365#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)))} assume 0bv32 == ~irp_choice~0;~pirp__IoStatus__Status~0 := 3221225659bv32;~myStatus~0 := 3221225659bv32; {56365#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)))} is VALID [2018-11-23 10:50:52,024 INFO L256 TraceCheckUtils]: 12: Hoare triple {56365#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)))} call stub_driver_init(); {56365#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)))} is VALID [2018-11-23 10:50:52,026 INFO L273 TraceCheckUtils]: 13: Hoare triple {56365#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)))} ~s~0 := ~NP~0;~customIrp~0 := 0bv32;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0; {56365#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)))} is VALID [2018-11-23 10:50:52,026 INFO L273 TraceCheckUtils]: 14: Hoare triple {56365#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)))} assume true; {56365#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)))} is VALID [2018-11-23 10:50:52,028 INFO L268 TraceCheckUtils]: 15: Hoare quadruple {56365#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)))} {56365#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)))} #1366#return; {56365#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)))} is VALID [2018-11-23 10:50:52,028 INFO L273 TraceCheckUtils]: 16: Hoare triple {56365#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)))} assume !~bvslt32(~status~9, 0bv32);havoc ~tmp_ndt_1~0;~tmp_ndt_1~0 := #t~nondet156;havoc #t~nondet156; {56365#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)))} is VALID [2018-11-23 10:50:52,030 INFO L273 TraceCheckUtils]: 17: Hoare triple {56365#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)))} assume !(2bv32 == ~tmp_ndt_1~0);havoc ~tmp_ndt_2~0;~tmp_ndt_2~0 := #t~nondet157;havoc #t~nondet157; {56365#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)))} is VALID [2018-11-23 10:50:52,046 INFO L273 TraceCheckUtils]: 18: Hoare triple {56365#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)))} assume !(3bv32 == ~tmp_ndt_2~0);havoc ~tmp_ndt_3~0;~tmp_ndt_3~0 := #t~nondet158;havoc #t~nondet158; {56365#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)))} is VALID [2018-11-23 10:50:52,049 INFO L273 TraceCheckUtils]: 19: Hoare triple {56365#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)))} assume 4bv32 == ~tmp_ndt_3~0; {56365#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)))} is VALID [2018-11-23 10:50:52,049 INFO L256 TraceCheckUtils]: 20: Hoare triple {56365#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)))} call #t~ret161 := CdAudioPower(~devobj~0, ~pirp~0); {56365#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)))} is VALID [2018-11-23 10:50:52,051 INFO L273 TraceCheckUtils]: 21: Hoare triple {56365#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)))} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;~Irp__CurrentLocation~1 := #t~nondet144;havoc #t~nondet144;~Irp__Tail__Overlay__CurrentStackLocation~3 := #t~nondet145;havoc #t~nondet145;~deviceExtension__TargetDeviceObject~4 := #t~nondet146;havoc #t~nondet146;havoc ~tmp~7; {56365#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)))} is VALID [2018-11-23 10:50:52,051 INFO L273 TraceCheckUtils]: 22: Hoare triple {56365#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)))} assume ~s~0 == ~NP~0;~s~0 := ~SKIP1~0; {56411#(and (= ~SKIP1~0 ~s~0) (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)))} is VALID [2018-11-23 10:50:52,053 INFO L273 TraceCheckUtils]: 23: Hoare triple {56411#(and (= ~SKIP1~0 ~s~0) (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)))} #t~post147 := ~Irp__CurrentLocation~1;~Irp__CurrentLocation~1 := ~bvadd32(1bv32, #t~post147);havoc #t~post147;#t~post148 := ~Irp__Tail__Overlay__CurrentStackLocation~3;~Irp__Tail__Overlay__CurrentStackLocation~3 := ~bvadd32(1bv32, #t~post148);havoc #t~post148; {56411#(and (= ~SKIP1~0 ~s~0) (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)))} is VALID [2018-11-23 10:50:52,055 INFO L256 TraceCheckUtils]: 24: Hoare triple {56411#(and (= ~SKIP1~0 ~s~0) (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)))} call #t~ret149 := PoCallDriver(~deviceExtension__TargetDeviceObject~4, ~Irp); {56418#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)) (= |old(~s~0)| ~s~0))} is VALID [2018-11-23 10:50:52,055 INFO L273 TraceCheckUtils]: 25: Hoare triple {56418#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)) (= |old(~s~0)| ~s~0))} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;havoc ~compRetStatus~1;havoc ~returnVal~0;~lcontext~1 := #t~nondet170;havoc #t~nondet170;havoc ~__cil_tmp7~0;havoc ~__cil_tmp8~2; {56418#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)) (= |old(~s~0)| ~s~0))} is VALID [2018-11-23 10:50:52,057 INFO L273 TraceCheckUtils]: 26: Hoare triple {56418#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)) (= |old(~s~0)| ~s~0))} assume !(0bv32 != ~compRegistered~0); {56418#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)) (= |old(~s~0)| ~s~0))} is VALID [2018-11-23 10:50:52,057 INFO L273 TraceCheckUtils]: 27: Hoare triple {56418#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)) (= |old(~s~0)| ~s~0))} havoc ~tmp_ndt_8~0;~tmp_ndt_8~0 := #t~nondet173;havoc #t~nondet173; {56418#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)) (= |old(~s~0)| ~s~0))} is VALID [2018-11-23 10:50:52,059 INFO L273 TraceCheckUtils]: 28: Hoare triple {56418#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)) (= |old(~s~0)| ~s~0))} assume 0bv32 == ~tmp_ndt_8~0; {56418#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)) (= |old(~s~0)| ~s~0))} is VALID [2018-11-23 10:50:52,059 INFO L273 TraceCheckUtils]: 29: Hoare triple {56418#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)) (= |old(~s~0)| ~s~0))} ~returnVal~0 := 0bv32; {56418#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)) (= |old(~s~0)| ~s~0))} is VALID [2018-11-23 10:50:52,061 INFO L273 TraceCheckUtils]: 30: Hoare triple {56418#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)) (= |old(~s~0)| ~s~0))} assume !(~s~0 == ~NP~0); {56418#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)) (= |old(~s~0)| ~s~0))} is VALID [2018-11-23 10:50:52,061 INFO L273 TraceCheckUtils]: 31: Hoare triple {56418#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)) (= |old(~s~0)| ~s~0))} assume ~s~0 == ~MPR1~0;~__cil_tmp8~2 := ~returnVal~0; {56440#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= ~MPR1~0 |old(~s~0)|) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)))} is VALID [2018-11-23 10:50:52,063 INFO L273 TraceCheckUtils]: 32: Hoare triple {56440#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= ~MPR1~0 |old(~s~0)|) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)))} assume 259bv32 == ~__cil_tmp8~2;~s~0 := ~MPR3~0;~lowerDriverReturn~0 := ~returnVal~0; {56440#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= ~MPR1~0 |old(~s~0)|) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)))} is VALID [2018-11-23 10:50:52,063 INFO L273 TraceCheckUtils]: 33: Hoare triple {56440#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= ~MPR1~0 |old(~s~0)|) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)))} #res := ~returnVal~0; {56440#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= ~MPR1~0 |old(~s~0)|) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)))} is VALID [2018-11-23 10:50:52,065 INFO L273 TraceCheckUtils]: 34: Hoare triple {56440#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= ~MPR1~0 |old(~s~0)|) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)))} assume true; {56440#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= ~MPR1~0 |old(~s~0)|) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)))} is VALID [2018-11-23 10:50:52,068 INFO L268 TraceCheckUtils]: 35: Hoare quadruple {56440#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= ~MPR1~0 |old(~s~0)|) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)))} {56411#(and (= ~SKIP1~0 ~s~0) (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)))} #1408#return; {56340#false} is VALID [2018-11-23 10:50:52,068 INFO L273 TraceCheckUtils]: 36: Hoare triple {56340#false} ~tmp~7 := #t~ret149;havoc #t~ret149;#res := ~tmp~7; {56340#false} is VALID [2018-11-23 10:50:52,068 INFO L273 TraceCheckUtils]: 37: Hoare triple {56340#false} assume true; {56340#false} is VALID [2018-11-23 10:50:52,068 INFO L268 TraceCheckUtils]: 38: Hoare quadruple {56340#false} {56365#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)))} #1372#return; {56340#false} is VALID [2018-11-23 10:50:52,068 INFO L273 TraceCheckUtils]: 39: Hoare triple {56340#false} ~status~9 := #t~ret161;havoc #t~ret161; {56340#false} is VALID [2018-11-23 10:50:52,068 INFO L273 TraceCheckUtils]: 40: Hoare triple {56340#false} assume !(0bv32 != ~we_should_unload~0); {56340#false} is VALID [2018-11-23 10:50:52,068 INFO L273 TraceCheckUtils]: 41: Hoare triple {56340#false} assume !(1bv32 == ~pended~0); {56340#false} is VALID [2018-11-23 10:50:52,069 INFO L273 TraceCheckUtils]: 42: Hoare triple {56340#false} assume !(1bv32 == ~pended~0); {56340#false} is VALID [2018-11-23 10:50:52,069 INFO L273 TraceCheckUtils]: 43: Hoare triple {56340#false} assume ~s~0 != ~UNLOADED~0; {56340#false} is VALID [2018-11-23 10:50:52,069 INFO L273 TraceCheckUtils]: 44: Hoare triple {56340#false} assume 4294967295bv32 != ~status~9; {56340#false} is VALID [2018-11-23 10:50:52,069 INFO L273 TraceCheckUtils]: 45: Hoare triple {56340#false} assume ~s~0 != ~SKIP2~0; {56340#false} is VALID [2018-11-23 10:50:52,069 INFO L273 TraceCheckUtils]: 46: Hoare triple {56340#false} assume ~s~0 != ~IPC~0; {56340#false} is VALID [2018-11-23 10:50:52,069 INFO L273 TraceCheckUtils]: 47: Hoare triple {56340#false} assume ~s~0 != ~DC~0; {56340#false} is VALID [2018-11-23 10:50:52,069 INFO L256 TraceCheckUtils]: 48: Hoare triple {56340#false} call errorFn(); {56340#false} is VALID [2018-11-23 10:50:52,069 INFO L273 TraceCheckUtils]: 49: Hoare triple {56340#false} assume !false; {56340#false} is VALID [2018-11-23 10:50:52,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 10:50:52,074 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 10:50:52,076 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 10:50:52,077 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 10:50:52,077 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 50 [2018-11-23 10:50:52,077 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 10:50:52,077 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2018-11-23 10:50:52,167 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 50 edges. 50 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 10:50:52,168 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 10:50:52,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 10:50:52,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 10:50:52,169 INFO L87 Difference]: Start difference. First operand 902 states and 1230 transitions. Second operand 6 states. [2018-11-23 10:51:03,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:51:03,128 INFO L93 Difference]: Finished difference Result 1062 states and 1489 transitions. [2018-11-23 10:51:03,128 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 10:51:03,128 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 50 [2018-11-23 10:51:03,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 10:51:03,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-11-23 10:51:03,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1021 transitions. [2018-11-23 10:51:03,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-11-23 10:51:03,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1021 transitions. [2018-11-23 10:51:03,150 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 1021 transitions. [2018-11-23 10:51:04,745 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 1021 edges. 1021 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 10:51:04,800 INFO L225 Difference]: With dead ends: 1062 [2018-11-23 10:51:04,800 INFO L226 Difference]: Without dead ends: 999 [2018-11-23 10:51:04,801 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 44 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-23 10:51:04,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 999 states. [2018-11-23 10:51:06,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 999 to 879. [2018-11-23 10:51:06,758 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 10:51:06,758 INFO L82 GeneralOperation]: Start isEquivalent. First operand 999 states. Second operand 879 states. [2018-11-23 10:51:06,758 INFO L74 IsIncluded]: Start isIncluded. First operand 999 states. Second operand 879 states. [2018-11-23 10:51:06,758 INFO L87 Difference]: Start difference. First operand 999 states. Second operand 879 states. [2018-11-23 10:51:06,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:51:06,801 INFO L93 Difference]: Finished difference Result 999 states and 1409 transitions. [2018-11-23 10:51:06,802 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 1409 transitions. [2018-11-23 10:51:06,804 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 10:51:06,804 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 10:51:06,804 INFO L74 IsIncluded]: Start isIncluded. First operand 879 states. Second operand 999 states. [2018-11-23 10:51:06,804 INFO L87 Difference]: Start difference. First operand 879 states. Second operand 999 states. [2018-11-23 10:51:06,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:51:06,851 INFO L93 Difference]: Finished difference Result 999 states and 1409 transitions. [2018-11-23 10:51:06,851 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 1409 transitions. [2018-11-23 10:51:06,853 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 10:51:06,853 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 10:51:06,853 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 10:51:06,853 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 10:51:06,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 879 states. [2018-11-23 10:51:06,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 879 states and 1196 transitions. [2018-11-23 10:51:06,887 INFO L78 Accepts]: Start accepts. Automaton has 879 states and 1196 transitions. Word has length 50 [2018-11-23 10:51:06,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 10:51:06,887 INFO L480 AbstractCegarLoop]: Abstraction has 879 states and 1196 transitions. [2018-11-23 10:51:06,887 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 10:51:06,887 INFO L276 IsEmpty]: Start isEmpty. Operand 879 states and 1196 transitions. [2018-11-23 10:51:06,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 10:51:06,889 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 10:51:06,889 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 10:51:06,889 INFO L423 AbstractCegarLoop]: === Iteration 15 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 10:51:06,889 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 10:51:06,889 INFO L82 PathProgramCache]: Analyzing trace with hash -1728648689, now seen corresponding path program 1 times [2018-11-23 10:51:06,889 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 10:51:06,890 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 16 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 10:51:06,906 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 10:51:07,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:51:07,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:51:07,050 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 10:51:07,111 INFO L256 TraceCheckUtils]: 0: Hoare triple {61009#true} call ULTIMATE.init(); {61009#true} is VALID [2018-11-23 10:51:07,111 INFO L273 TraceCheckUtils]: 1: Hoare triple {61009#true} ~s~0 := 0bv32;~UNLOADED~0 := 0bv32;~NP~0 := 0bv32;~DC~0 := 0bv32;~SKIP1~0 := 0bv32;~SKIP2~0 := 0bv32;~MPR1~0 := 0bv32;~MPR3~0 := 0bv32;~IPC~0 := 0bv32;~pended~0 := 0bv32;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32;~routine~0 := 0bv32;~myStatus~0 := 0bv32;~pirp~0 := 0bv32;~Executive~0 := 0bv32;~Suspended~0 := 0bv32;~KernelMode~0 := 0bv32;~DeviceUsageTypePaging~0 := 0bv32; {61009#true} is VALID [2018-11-23 10:51:07,111 INFO L273 TraceCheckUtils]: 2: Hoare triple {61009#true} assume true; {61009#true} is VALID [2018-11-23 10:51:07,112 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {61009#true} {61009#true} #1496#return; {61009#true} is VALID [2018-11-23 10:51:07,112 INFO L256 TraceCheckUtils]: 4: Hoare triple {61009#true} call #t~ret176 := main(); {61009#true} is VALID [2018-11-23 10:51:07,112 INFO L273 TraceCheckUtils]: 5: Hoare triple {61009#true} havoc ~pirp__IoStatus__Status~0;~d~0 := #t~nondet150;havoc #t~nondet150;~status~9 := #t~nondet151;havoc #t~nondet151;~irp~1 := #t~nondet152;havoc #t~nondet152;~we_should_unload~0 := #t~nondet153;havoc #t~nondet153;~irp_choice~0 := #t~nondet154;havoc #t~nondet154;~devobj~0 := #t~nondet155;havoc #t~nondet155;havoc ~__cil_tmp9~1;~s~0 := 0bv32;~UNLOADED~0 := 0bv32;~NP~0 := 0bv32;~DC~0 := 0bv32;~SKIP1~0 := 0bv32;~SKIP2~0 := 0bv32;~MPR1~0 := 0bv32;~MPR3~0 := 0bv32;~IPC~0 := 0bv32;~pended~0 := 0bv32;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32;~routine~0 := 0bv32;~myStatus~0 := 0bv32;~pirp~0 := 0bv32;~Executive~0 := 0bv32;~Suspended~0 := 5bv32;~KernelMode~0 := 0bv32;~DeviceUsageTypePaging~0 := 1bv32;~pirp~0 := ~irp~1; {61009#true} is VALID [2018-11-23 10:51:07,112 INFO L256 TraceCheckUtils]: 6: Hoare triple {61009#true} call _BLAST_init(); {61009#true} is VALID [2018-11-23 10:51:07,113 INFO L273 TraceCheckUtils]: 7: Hoare triple {61009#true} ~UNLOADED~0 := 0bv32;~NP~0 := 1bv32;~DC~0 := 2bv32;~SKIP1~0 := 3bv32;~SKIP2~0 := 4bv32;~MPR1~0 := 5bv32;~MPR3~0 := 6bv32;~IPC~0 := 7bv32;~s~0 := ~UNLOADED~0;~pended~0 := 0bv32;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32; {61009#true} is VALID [2018-11-23 10:51:07,113 INFO L273 TraceCheckUtils]: 8: Hoare triple {61009#true} assume true; {61009#true} is VALID [2018-11-23 10:51:07,113 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {61009#true} {61009#true} #1364#return; {61009#true} is VALID [2018-11-23 10:51:07,113 INFO L273 TraceCheckUtils]: 10: Hoare triple {61009#true} assume ~bvsge32(~status~9, 0bv32);~s~0 := ~NP~0;~customIrp~0 := 0bv32;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0;~pirp__IoStatus__Status~0 := 0bv32;~myStatus~0 := 0bv32; {61009#true} is VALID [2018-11-23 10:51:07,113 INFO L273 TraceCheckUtils]: 11: Hoare triple {61009#true} assume 0bv32 == ~irp_choice~0;~pirp__IoStatus__Status~0 := 3221225659bv32;~myStatus~0 := 3221225659bv32; {61009#true} is VALID [2018-11-23 10:51:07,114 INFO L256 TraceCheckUtils]: 12: Hoare triple {61009#true} call stub_driver_init(); {61009#true} is VALID [2018-11-23 10:51:07,114 INFO L273 TraceCheckUtils]: 13: Hoare triple {61009#true} ~s~0 := ~NP~0;~customIrp~0 := 0bv32;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0; {61009#true} is VALID [2018-11-23 10:51:07,114 INFO L273 TraceCheckUtils]: 14: Hoare triple {61009#true} assume true; {61009#true} is VALID [2018-11-23 10:51:07,114 INFO L268 TraceCheckUtils]: 15: Hoare quadruple {61009#true} {61009#true} #1366#return; {61009#true} is VALID [2018-11-23 10:51:07,114 INFO L273 TraceCheckUtils]: 16: Hoare triple {61009#true} assume !~bvslt32(~status~9, 0bv32);havoc ~tmp_ndt_1~0;~tmp_ndt_1~0 := #t~nondet156;havoc #t~nondet156; {61009#true} is VALID [2018-11-23 10:51:07,115 INFO L273 TraceCheckUtils]: 17: Hoare triple {61009#true} assume 2bv32 == ~tmp_ndt_1~0; {61009#true} is VALID [2018-11-23 10:51:07,115 INFO L256 TraceCheckUtils]: 18: Hoare triple {61009#true} call #t~ret159 := CdAudioDeviceControl(~devobj~0, ~pirp~0); {61009#true} is VALID [2018-11-23 10:51:07,115 INFO L273 TraceCheckUtils]: 19: Hoare triple {61009#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;~deviceExtension__Active~1 := #t~nondet26;havoc #t~nondet26;havoc ~status~3; {61009#true} is VALID [2018-11-23 10:51:07,115 INFO L273 TraceCheckUtils]: 20: Hoare triple {61009#true} assume !(2bv32 == ~deviceExtension__Active~1); {61009#true} is VALID [2018-11-23 10:51:07,115 INFO L273 TraceCheckUtils]: 21: Hoare triple {61009#true} assume 3bv32 == ~deviceExtension__Active~1; {61009#true} is VALID [2018-11-23 10:51:07,115 INFO L256 TraceCheckUtils]: 22: Hoare triple {61009#true} call #t~ret28 := CdAudio435DeviceControl(~DeviceObject, ~Irp); {61009#true} is VALID [2018-11-23 10:51:07,116 INFO L273 TraceCheckUtils]: 23: Hoare triple {61009#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;~currentIrpStack__Parameters__DeviceIoControl__IoControlCode~1 := #t~nondet94;havoc #t~nondet94;~currentIrpStack__Parameters__DeviceIoControl__OutputBufferLength~1 := #t~nondet95;havoc #t~nondet95;~currentIrpStack__Parameters__DeviceIoControl__InputBufferLength~1 := #t~nondet96;havoc #t~nondet96;~TrackData__0~0 := #t~nondet97;havoc #t~nondet97;havoc ~Irp__IoStatus__Information~1;havoc ~srb__TimeOutValue~1;havoc ~srb__CdbLength~1;~sizeof__CDROM_TOC~1 := #t~nondet98;havoc #t~nondet98;~cdaudioDataOut__LastTrack~1 := #t~nondet99;havoc #t~nondet99;~cdaudioDataOut__FirstTrack~1 := #t~nondet100;havoc #t~nondet100;~sizeof__CDROM_PLAY_AUDIO_MSF~1 := #t~nondet101;havoc #t~nondet101;~sizeof__CDROM_SEEK_AUDIO_MSF~1 := #t~nondet102;havoc #t~nondet102;~deviceExtension__Paused~0 := #t~nondet103;havoc #t~nondet103;havoc ~deviceExtension__PlayActive~1;~sizeof__SUB_Q_CHANNEL_DATA~0 := #t~nondet104;havoc #t~nondet104;~sizeof__SUB_Q_CURRENT_POSITION~1 := #t~nondet105;havoc #t~nondet105;~deviceExtension~2 := #t~nondet106;havoc #t~nondet106;~srb~2 := #t~nondet107;havoc #t~nondet107;havoc ~status~6;~i~1 := #t~nondet108;havoc #t~nondet108;havoc ~bytesTransfered~1;~Toc~1 := #t~nondet109;havoc #t~nondet109;havoc ~tmp~4;havoc ~tracksToReturn~1;havoc ~tracksOnCd~1;havoc ~tracksInBuffer~1;~SubQPtr~1 := #t~nondet110;havoc #t~nondet110;~userPtr__Format~1 := #t~nondet111;havoc #t~nondet111;~SubQPtr___0~0 := #t~nondet112;havoc #t~nondet112;havoc ~tmp___0~2;havoc ~tmp___1~1;havoc ~tmp___2~1;havoc ~__cil_tmp35~0;havoc ~__cil_tmp36~0;havoc ~__cil_tmp37~0;havoc ~__cil_tmp38~0;havoc ~__cil_tmp39~0;havoc ~__cil_tmp40~0;havoc ~__cil_tmp41~0;havoc ~__cil_tmp42~0;havoc ~__cil_tmp43~0;havoc ~__cil_tmp44~0;havoc ~__cil_tmp45~0;havoc ~__cil_tmp46~0;havoc ~__cil_tmp47~0;havoc ~__cil_tmp48~0;havoc ~__cil_tmp49~0;havoc ~__cil_tmp50~0;havoc ~__cil_tmp51~0;havoc ~__cil_tmp52~0;havoc ~__cil_tmp53~0;havoc ~__cil_tmp54~0;havoc ~__cil_tmp55~0;havoc ~__cil_tmp56~0;havoc ~__cil_tmp57~0;havoc ~__cil_tmp58~1;havoc ~__cil_tmp59~1;havoc ~__cil_tmp60~1;havoc ~__cil_tmp61~1;havoc ~__cil_tmp62~1;havoc ~__cil_tmp63~1;havoc ~__cil_tmp64~1;havoc ~__cil_tmp65~1;havoc ~__cil_tmp66~1;havoc ~__cil_tmp67~1;havoc ~__cil_tmp68~1;havoc ~__cil_tmp69~1;havoc ~__cil_tmp70~1;havoc ~__cil_tmp71~1;havoc ~__cil_tmp72~1;havoc ~__cil_tmp73~1;havoc ~__cil_tmp74~1;havoc ~__cil_tmp75~1;havoc ~__cil_tmp76~1;havoc ~__cil_tmp77~1;havoc ~__cil_tmp78~1;havoc ~__cil_tmp79~1;havoc ~__cil_tmp80~1;havoc ~__cil_tmp81~1;havoc ~__cil_tmp82~1;havoc ~__cil_tmp83~1;havoc ~__cil_tmp84~1;havoc ~__cil_tmp85~1;havoc ~__cil_tmp86~1;havoc ~__cil_tmp87~1;havoc ~__cil_tmp88~1;havoc ~__cil_tmp89~1;havoc ~__cil_tmp90~1;havoc ~__cil_tmp91~1;havoc ~__cil_tmp92~1;havoc ~__cil_tmp93~1;havoc ~__cil_tmp94~1;havoc ~__cil_tmp95~1;havoc ~__cil_tmp96~1;havoc ~__cil_tmp97~1;havoc ~__cil_tmp98~1;havoc ~__cil_tmp99~1;havoc ~__cil_tmp100~1;havoc ~__cil_tmp101~1;havoc ~__cil_tmp102~1;havoc ~__cil_tmp103~1;havoc ~__cil_tmp104~1;havoc ~__cil_tmp105~1;havoc ~__cil_tmp106~1;havoc ~__cil_tmp107~1;havoc ~__cil_tmp108~1;havoc ~__cil_tmp109~1;havoc ~__cil_tmp110~1;havoc ~__cil_tmp111~0;havoc ~__cil_tmp112~0;havoc ~__cil_tmp113~0;havoc ~__cil_tmp114~0;havoc ~__cil_tmp115~0;havoc ~__cil_tmp116~0;~__cil_tmp35~0 := 16384bv32;~__cil_tmp36~0 := 131072bv32;~__cil_tmp37~0 := 147456bv32; {61009#true} is VALID [2018-11-23 10:51:07,116 INFO L273 TraceCheckUtils]: 24: Hoare triple {61009#true} assume ~currentIrpStack__Parameters__DeviceIoControl__IoControlCode~1 == ~__cil_tmp37~0; {61009#true} is VALID [2018-11-23 10:51:07,116 INFO L273 TraceCheckUtils]: 25: Hoare triple {61009#true} assume ~bvslt32(~currentIrpStack__Parameters__DeviceIoControl__OutputBufferLength~1, ~TrackData__0~0);~status~6 := 3221225507bv32;~Irp__IoStatus__Information~1 := 0bv32; {61009#true} is VALID [2018-11-23 10:51:07,117 INFO L273 TraceCheckUtils]: 26: Hoare triple {61009#true} ~__cil_tmp116~0 := ~status~6; {61009#true} is VALID [2018-11-23 10:51:07,117 INFO L273 TraceCheckUtils]: 27: Hoare triple {61009#true} assume 2147483670bv32 == ~__cil_tmp116~0;~Irp__IoStatus__Information~1 := 0bv32; {61009#true} is VALID [2018-11-23 10:51:07,117 INFO L273 TraceCheckUtils]: 28: Hoare triple {61009#true} ~myStatus~0 := ~status~6; {61009#true} is VALID [2018-11-23 10:51:07,117 INFO L256 TraceCheckUtils]: 29: Hoare triple {61009#true} call IofCompleteRequest(~Irp, 0bv32); {61009#true} is VALID [2018-11-23 10:51:07,117 INFO L273 TraceCheckUtils]: 30: Hoare triple {61009#true} ~Irp := #in~Irp;~PriorityBoost := #in~PriorityBoost; {61009#true} is VALID [2018-11-23 10:51:07,126 INFO L273 TraceCheckUtils]: 31: Hoare triple {61009#true} assume ~s~0 == ~NP~0;~s~0 := ~DC~0; {61107#(= ~DC~0 ~s~0)} is VALID [2018-11-23 10:51:07,126 INFO L273 TraceCheckUtils]: 32: Hoare triple {61107#(= ~DC~0 ~s~0)} assume true; {61107#(= ~DC~0 ~s~0)} is VALID [2018-11-23 10:51:07,127 INFO L268 TraceCheckUtils]: 33: Hoare quadruple {61107#(= ~DC~0 ~s~0)} {61009#true} #1548#return; {61107#(= ~DC~0 ~s~0)} is VALID [2018-11-23 10:51:07,128 INFO L273 TraceCheckUtils]: 34: Hoare triple {61107#(= ~DC~0 ~s~0)} #res := ~status~6; {61107#(= ~DC~0 ~s~0)} is VALID [2018-11-23 10:51:07,128 INFO L273 TraceCheckUtils]: 35: Hoare triple {61107#(= ~DC~0 ~s~0)} assume true; {61107#(= ~DC~0 ~s~0)} is VALID [2018-11-23 10:51:07,130 INFO L268 TraceCheckUtils]: 36: Hoare quadruple {61107#(= ~DC~0 ~s~0)} {61009#true} #1488#return; {61107#(= ~DC~0 ~s~0)} is VALID [2018-11-23 10:51:07,130 INFO L273 TraceCheckUtils]: 37: Hoare triple {61107#(= ~DC~0 ~s~0)} ~status~3 := #t~ret28;havoc #t~ret28; {61107#(= ~DC~0 ~s~0)} is VALID [2018-11-23 10:51:07,131 INFO L273 TraceCheckUtils]: 38: Hoare triple {61107#(= ~DC~0 ~s~0)} #res := ~status~3; {61107#(= ~DC~0 ~s~0)} is VALID [2018-11-23 10:51:07,132 INFO L273 TraceCheckUtils]: 39: Hoare triple {61107#(= ~DC~0 ~s~0)} assume true; {61107#(= ~DC~0 ~s~0)} is VALID [2018-11-23 10:51:07,132 INFO L268 TraceCheckUtils]: 40: Hoare quadruple {61107#(= ~DC~0 ~s~0)} {61009#true} #1368#return; {61107#(= ~DC~0 ~s~0)} is VALID [2018-11-23 10:51:07,134 INFO L273 TraceCheckUtils]: 41: Hoare triple {61107#(= ~DC~0 ~s~0)} ~status~9 := #t~ret159;havoc #t~ret159; {61107#(= ~DC~0 ~s~0)} is VALID [2018-11-23 10:51:07,134 INFO L273 TraceCheckUtils]: 42: Hoare triple {61107#(= ~DC~0 ~s~0)} assume !(0bv32 != ~we_should_unload~0); {61107#(= ~DC~0 ~s~0)} is VALID [2018-11-23 10:51:07,136 INFO L273 TraceCheckUtils]: 43: Hoare triple {61107#(= ~DC~0 ~s~0)} assume !(1bv32 == ~pended~0); {61107#(= ~DC~0 ~s~0)} is VALID [2018-11-23 10:51:07,136 INFO L273 TraceCheckUtils]: 44: Hoare triple {61107#(= ~DC~0 ~s~0)} assume !(1bv32 == ~pended~0); {61107#(= ~DC~0 ~s~0)} is VALID [2018-11-23 10:51:07,139 INFO L273 TraceCheckUtils]: 45: Hoare triple {61107#(= ~DC~0 ~s~0)} assume ~s~0 != ~UNLOADED~0; {61107#(= ~DC~0 ~s~0)} is VALID [2018-11-23 10:51:07,139 INFO L273 TraceCheckUtils]: 46: Hoare triple {61107#(= ~DC~0 ~s~0)} assume 4294967295bv32 != ~status~9; {61107#(= ~DC~0 ~s~0)} is VALID [2018-11-23 10:51:07,150 INFO L273 TraceCheckUtils]: 47: Hoare triple {61107#(= ~DC~0 ~s~0)} assume ~s~0 != ~SKIP2~0; {61107#(= ~DC~0 ~s~0)} is VALID [2018-11-23 10:51:07,152 INFO L273 TraceCheckUtils]: 48: Hoare triple {61107#(= ~DC~0 ~s~0)} assume ~s~0 != ~IPC~0; {61107#(= ~DC~0 ~s~0)} is VALID [2018-11-23 10:51:07,152 INFO L273 TraceCheckUtils]: 49: Hoare triple {61107#(= ~DC~0 ~s~0)} assume ~s~0 != ~DC~0; {61010#false} is VALID [2018-11-23 10:51:07,152 INFO L256 TraceCheckUtils]: 50: Hoare triple {61010#false} call errorFn(); {61010#false} is VALID [2018-11-23 10:51:07,152 INFO L273 TraceCheckUtils]: 51: Hoare triple {61010#false} assume !false; {61010#false} is VALID [2018-11-23 10:51:07,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 10:51:07,154 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 10:51:07,155 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 10:51:07,156 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 10:51:07,156 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-23 10:51:07,156 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 10:51:07,156 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2018-11-23 10:51:07,218 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 52 edges. 52 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 10:51:07,219 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 10:51:07,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 10:51:07,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 10:51:07,220 INFO L87 Difference]: Start difference. First operand 879 states and 1196 transitions. Second operand 3 states. [2018-11-23 10:51:12,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:51:12,777 INFO L93 Difference]: Finished difference Result 904 states and 1224 transitions. [2018-11-23 10:51:12,777 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 10:51:12,777 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-23 10:51:12,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 10:51:12,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 10:51:12,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 738 transitions. [2018-11-23 10:51:12,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 10:51:12,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 738 transitions. [2018-11-23 10:51:12,787 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 738 transitions. [2018-11-23 10:51:13,654 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 738 edges. 738 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 10:51:13,697 INFO L225 Difference]: With dead ends: 904 [2018-11-23 10:51:13,697 INFO L226 Difference]: Without dead ends: 899 [2018-11-23 10:51:13,697 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 10:51:13,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 899 states. [2018-11-23 10:51:15,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 899 to 897. [2018-11-23 10:51:15,691 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 10:51:15,692 INFO L82 GeneralOperation]: Start isEquivalent. First operand 899 states. Second operand 897 states. [2018-11-23 10:51:15,692 INFO L74 IsIncluded]: Start isIncluded. First operand 899 states. Second operand 897 states. [2018-11-23 10:51:15,692 INFO L87 Difference]: Start difference. First operand 899 states. Second operand 897 states. [2018-11-23 10:51:15,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:51:15,726 INFO L93 Difference]: Finished difference Result 899 states and 1218 transitions. [2018-11-23 10:51:15,726 INFO L276 IsEmpty]: Start isEmpty. Operand 899 states and 1218 transitions. [2018-11-23 10:51:15,727 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 10:51:15,727 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 10:51:15,727 INFO L74 IsIncluded]: Start isIncluded. First operand 897 states. Second operand 899 states. [2018-11-23 10:51:15,727 INFO L87 Difference]: Start difference. First operand 897 states. Second operand 899 states. [2018-11-23 10:51:15,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:51:15,757 INFO L93 Difference]: Finished difference Result 899 states and 1218 transitions. [2018-11-23 10:51:15,757 INFO L276 IsEmpty]: Start isEmpty. Operand 899 states and 1218 transitions. [2018-11-23 10:51:15,758 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 10:51:15,758 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 10:51:15,758 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 10:51:15,759 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 10:51:15,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 897 states. [2018-11-23 10:51:15,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 897 states to 897 states and 1217 transitions. [2018-11-23 10:51:15,810 INFO L78 Accepts]: Start accepts. Automaton has 897 states and 1217 transitions. Word has length 52 [2018-11-23 10:51:15,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 10:51:15,811 INFO L480 AbstractCegarLoop]: Abstraction has 897 states and 1217 transitions. [2018-11-23 10:51:15,811 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 10:51:15,811 INFO L276 IsEmpty]: Start isEmpty. Operand 897 states and 1217 transitions. [2018-11-23 10:51:15,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-23 10:51:15,813 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 10:51:15,813 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 10:51:15,814 INFO L423 AbstractCegarLoop]: === Iteration 16 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 10:51:15,814 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 10:51:15,814 INFO L82 PathProgramCache]: Analyzing trace with hash 2025775123, now seen corresponding path program 1 times [2018-11-23 10:51:15,814 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 10:51:15,814 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 17 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 10:51:15,843 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 10:51:15,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:51:15,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:51:15,961 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 10:51:16,010 INFO L256 TraceCheckUtils]: 0: Hoare triple {65322#true} call ULTIMATE.init(); {65322#true} is VALID [2018-11-23 10:51:16,010 INFO L273 TraceCheckUtils]: 1: Hoare triple {65322#true} ~s~0 := 0bv32;~UNLOADED~0 := 0bv32;~NP~0 := 0bv32;~DC~0 := 0bv32;~SKIP1~0 := 0bv32;~SKIP2~0 := 0bv32;~MPR1~0 := 0bv32;~MPR3~0 := 0bv32;~IPC~0 := 0bv32;~pended~0 := 0bv32;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32;~routine~0 := 0bv32;~myStatus~0 := 0bv32;~pirp~0 := 0bv32;~Executive~0 := 0bv32;~Suspended~0 := 0bv32;~KernelMode~0 := 0bv32;~DeviceUsageTypePaging~0 := 0bv32; {65322#true} is VALID [2018-11-23 10:51:16,010 INFO L273 TraceCheckUtils]: 2: Hoare triple {65322#true} assume true; {65322#true} is VALID [2018-11-23 10:51:16,011 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {65322#true} {65322#true} #1496#return; {65322#true} is VALID [2018-11-23 10:51:16,011 INFO L256 TraceCheckUtils]: 4: Hoare triple {65322#true} call #t~ret176 := main(); {65322#true} is VALID [2018-11-23 10:51:16,011 INFO L273 TraceCheckUtils]: 5: Hoare triple {65322#true} havoc ~pirp__IoStatus__Status~0;~d~0 := #t~nondet150;havoc #t~nondet150;~status~9 := #t~nondet151;havoc #t~nondet151;~irp~1 := #t~nondet152;havoc #t~nondet152;~we_should_unload~0 := #t~nondet153;havoc #t~nondet153;~irp_choice~0 := #t~nondet154;havoc #t~nondet154;~devobj~0 := #t~nondet155;havoc #t~nondet155;havoc ~__cil_tmp9~1;~s~0 := 0bv32;~UNLOADED~0 := 0bv32;~NP~0 := 0bv32;~DC~0 := 0bv32;~SKIP1~0 := 0bv32;~SKIP2~0 := 0bv32;~MPR1~0 := 0bv32;~MPR3~0 := 0bv32;~IPC~0 := 0bv32;~pended~0 := 0bv32;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32;~routine~0 := 0bv32;~myStatus~0 := 0bv32;~pirp~0 := 0bv32;~Executive~0 := 0bv32;~Suspended~0 := 5bv32;~KernelMode~0 := 0bv32;~DeviceUsageTypePaging~0 := 1bv32;~pirp~0 := ~irp~1; {65322#true} is VALID [2018-11-23 10:51:16,011 INFO L256 TraceCheckUtils]: 6: Hoare triple {65322#true} call _BLAST_init(); {65322#true} is VALID [2018-11-23 10:51:16,011 INFO L273 TraceCheckUtils]: 7: Hoare triple {65322#true} ~UNLOADED~0 := 0bv32;~NP~0 := 1bv32;~DC~0 := 2bv32;~SKIP1~0 := 3bv32;~SKIP2~0 := 4bv32;~MPR1~0 := 5bv32;~MPR3~0 := 6bv32;~IPC~0 := 7bv32;~s~0 := ~UNLOADED~0;~pended~0 := 0bv32;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32; {65322#true} is VALID [2018-11-23 10:51:16,012 INFO L273 TraceCheckUtils]: 8: Hoare triple {65322#true} assume true; {65322#true} is VALID [2018-11-23 10:51:16,012 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {65322#true} {65322#true} #1364#return; {65322#true} is VALID [2018-11-23 10:51:16,012 INFO L273 TraceCheckUtils]: 10: Hoare triple {65322#true} assume ~bvsge32(~status~9, 0bv32);~s~0 := ~NP~0;~customIrp~0 := 0bv32;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0;~pirp__IoStatus__Status~0 := 0bv32;~myStatus~0 := 0bv32; {65322#true} is VALID [2018-11-23 10:51:16,012 INFO L273 TraceCheckUtils]: 11: Hoare triple {65322#true} assume 0bv32 == ~irp_choice~0;~pirp__IoStatus__Status~0 := 3221225659bv32;~myStatus~0 := 3221225659bv32; {65322#true} is VALID [2018-11-23 10:51:16,012 INFO L256 TraceCheckUtils]: 12: Hoare triple {65322#true} call stub_driver_init(); {65322#true} is VALID [2018-11-23 10:51:16,013 INFO L273 TraceCheckUtils]: 13: Hoare triple {65322#true} ~s~0 := ~NP~0;~customIrp~0 := 0bv32;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0; {65322#true} is VALID [2018-11-23 10:51:16,013 INFO L273 TraceCheckUtils]: 14: Hoare triple {65322#true} assume true; {65322#true} is VALID [2018-11-23 10:51:16,013 INFO L268 TraceCheckUtils]: 15: Hoare quadruple {65322#true} {65322#true} #1366#return; {65322#true} is VALID [2018-11-23 10:51:16,013 INFO L273 TraceCheckUtils]: 16: Hoare triple {65322#true} assume !~bvslt32(~status~9, 0bv32);havoc ~tmp_ndt_1~0;~tmp_ndt_1~0 := #t~nondet156;havoc #t~nondet156; {65322#true} is VALID [2018-11-23 10:51:16,014 INFO L273 TraceCheckUtils]: 17: Hoare triple {65322#true} assume 2bv32 == ~tmp_ndt_1~0; {65322#true} is VALID [2018-11-23 10:51:16,014 INFO L256 TraceCheckUtils]: 18: Hoare triple {65322#true} call #t~ret159 := CdAudioDeviceControl(~devobj~0, ~pirp~0); {65322#true} is VALID [2018-11-23 10:51:16,014 INFO L273 TraceCheckUtils]: 19: Hoare triple {65322#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;~deviceExtension__Active~1 := #t~nondet26;havoc #t~nondet26;havoc ~status~3; {65322#true} is VALID [2018-11-23 10:51:16,014 INFO L273 TraceCheckUtils]: 20: Hoare triple {65322#true} assume !(2bv32 == ~deviceExtension__Active~1); {65322#true} is VALID [2018-11-23 10:51:16,014 INFO L273 TraceCheckUtils]: 21: Hoare triple {65322#true} assume !(3bv32 == ~deviceExtension__Active~1); {65322#true} is VALID [2018-11-23 10:51:16,014 INFO L273 TraceCheckUtils]: 22: Hoare triple {65322#true} assume !(1bv32 == ~deviceExtension__Active~1); {65322#true} is VALID [2018-11-23 10:51:16,015 INFO L273 TraceCheckUtils]: 23: Hoare triple {65322#true} assume 7bv32 == ~deviceExtension__Active~1; {65322#true} is VALID [2018-11-23 10:51:16,015 INFO L256 TraceCheckUtils]: 24: Hoare triple {65322#true} call #t~ret30 := CdAudioHPCdrDeviceControl(~DeviceObject, ~Irp); {65322#true} is VALID [2018-11-23 10:51:16,015 INFO L273 TraceCheckUtils]: 25: Hoare triple {65322#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;~currentIrpStack__Parameters__DeviceIoControl__IoControlCode~3 := #t~nondet136;havoc #t~nondet136;~deviceExtension__TargetDeviceObject~2 := #t~nondet137;havoc #t~nondet137;havoc ~irpSp__Control~0;havoc ~tmp~6;havoc ~tmp___0~3;havoc ~__cil_tmp8~0;havoc ~__cil_tmp9~0;havoc ~__cil_tmp10~2;havoc ~__cil_tmp11~2;havoc ~__cil_tmp12~1;~__cil_tmp8~0 := 56bv32;~__cil_tmp9~0 := 16384bv32;~__cil_tmp10~2 := 131072bv32;~__cil_tmp11~2 := 147456bv32;~__cil_tmp12~1 := 147512bv32; {65322#true} is VALID [2018-11-23 10:51:16,015 INFO L273 TraceCheckUtils]: 26: Hoare triple {65322#true} assume ~currentIrpStack__Parameters__DeviceIoControl__IoControlCode~3 == ~__cil_tmp12~1; {65322#true} is VALID [2018-11-23 10:51:16,015 INFO L273 TraceCheckUtils]: 27: Hoare triple {65322#true} assume !(~s~0 != ~NP~0); {65322#true} is VALID [2018-11-23 10:51:16,016 INFO L273 TraceCheckUtils]: 28: Hoare triple {65322#true} assume !(0bv32 != ~compRegistered~0);~compRegistered~0 := 1bv32;~routine~0 := 0bv32; {65322#true} is VALID [2018-11-23 10:51:16,016 INFO L273 TraceCheckUtils]: 29: Hoare triple {65322#true} ~irpSp__Control~0 := 224bv32; {65322#true} is VALID [2018-11-23 10:51:16,016 INFO L256 TraceCheckUtils]: 30: Hoare triple {65322#true} call #t~ret138 := IofCallDriver(~deviceExtension__TargetDeviceObject~2, ~Irp); {65322#true} is VALID [2018-11-23 10:51:16,016 INFO L273 TraceCheckUtils]: 31: Hoare triple {65322#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;~Irp__PendingReturned~1 := #t~nondet162;havoc #t~nondet162;havoc ~returnVal2~0;havoc ~compRetStatus~0;~lcontext~0 := #t~nondet163;havoc #t~nondet163;havoc ~__cil_tmp8~1; {65322#true} is VALID [2018-11-23 10:51:16,016 INFO L273 TraceCheckUtils]: 32: Hoare triple {65322#true} assume 0bv32 != ~compRegistered~0; {65322#true} is VALID [2018-11-23 10:51:16,016 INFO L273 TraceCheckUtils]: 33: Hoare triple {65322#true} assume 0bv32 == ~routine~0; {65322#true} is VALID [2018-11-23 10:51:16,016 INFO L256 TraceCheckUtils]: 34: Hoare triple {65322#true} call #t~ret164 := HPCdrCompletion(~DeviceObject, ~Irp, ~lcontext~0); {65322#true} is VALID [2018-11-23 10:51:16,016 INFO L273 TraceCheckUtils]: 35: Hoare triple {65322#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;~Context := #in~Context;~Irp__PendingReturned~0 := #t~nondet134;havoc #t~nondet134;~Irp__AssociatedIrp__SystemBuffer~1 := #t~nondet135;havoc #t~nondet135; {65322#true} is VALID [2018-11-23 10:51:16,017 INFO L273 TraceCheckUtils]: 36: Hoare triple {65322#true} assume !(0bv32 != ~Irp__PendingReturned~0); {65322#true} is VALID [2018-11-23 10:51:16,017 INFO L273 TraceCheckUtils]: 37: Hoare triple {65322#true} assume !~bvsge32(~myStatus~0, 0bv32); {65322#true} is VALID [2018-11-23 10:51:16,017 INFO L273 TraceCheckUtils]: 38: Hoare triple {65322#true} #res := ~myStatus~0; {65322#true} is VALID [2018-11-23 10:51:16,017 INFO L273 TraceCheckUtils]: 39: Hoare triple {65322#true} assume true; {65322#true} is VALID [2018-11-23 10:51:16,017 INFO L268 TraceCheckUtils]: 40: Hoare quadruple {65322#true} {65322#true} #1466#return; {65322#true} is VALID [2018-11-23 10:51:16,017 INFO L273 TraceCheckUtils]: 41: Hoare triple {65322#true} ~compRetStatus~0 := #t~ret164;havoc #t~ret164; {65322#true} is VALID [2018-11-23 10:51:16,017 INFO L273 TraceCheckUtils]: 42: Hoare triple {65322#true} ~__cil_tmp8~1 := ~compRetStatus~0; {65322#true} is VALID [2018-11-23 10:51:16,018 INFO L273 TraceCheckUtils]: 43: Hoare triple {65322#true} assume 3221225494bv32 == ~__cil_tmp8~1; {65322#true} is VALID [2018-11-23 10:51:16,018 INFO L256 TraceCheckUtils]: 44: Hoare triple {65322#true} call stubMoreProcessingRequired(); {65322#true} is VALID [2018-11-23 10:51:16,019 INFO L273 TraceCheckUtils]: 45: Hoare triple {65322#true} assume ~s~0 == ~NP~0;~s~0 := ~MPR1~0; {65462#(= ~MPR1~0 ~s~0)} is VALID [2018-11-23 10:51:16,019 INFO L273 TraceCheckUtils]: 46: Hoare triple {65462#(= ~MPR1~0 ~s~0)} assume true; {65462#(= ~MPR1~0 ~s~0)} is VALID [2018-11-23 10:51:16,022 INFO L268 TraceCheckUtils]: 47: Hoare quadruple {65462#(= ~MPR1~0 ~s~0)} {65322#true} #1470#return; {65462#(= ~MPR1~0 ~s~0)} is VALID [2018-11-23 10:51:16,022 INFO L273 TraceCheckUtils]: 48: Hoare triple {65462#(= ~MPR1~0 ~s~0)} assume 0bv32 != ~Irp__PendingReturned~1;~returnVal2~0 := 259bv32; {65462#(= ~MPR1~0 ~s~0)} is VALID [2018-11-23 10:51:16,024 INFO L273 TraceCheckUtils]: 49: Hoare triple {65462#(= ~MPR1~0 ~s~0)} assume !(~s~0 == ~NP~0); {65462#(= ~MPR1~0 ~s~0)} is VALID [2018-11-23 10:51:16,024 INFO L273 TraceCheckUtils]: 50: Hoare triple {65462#(= ~MPR1~0 ~s~0)} assume !(~s~0 == ~MPR1~0); {65323#false} is VALID [2018-11-23 10:51:16,024 INFO L273 TraceCheckUtils]: 51: Hoare triple {65323#false} assume !(~s~0 == ~SKIP1~0); {65323#false} is VALID [2018-11-23 10:51:16,024 INFO L256 TraceCheckUtils]: 52: Hoare triple {65323#false} call errorFn(); {65323#false} is VALID [2018-11-23 10:51:16,024 INFO L273 TraceCheckUtils]: 53: Hoare triple {65323#false} assume !false; {65323#false} is VALID [2018-11-23 10:51:16,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 10:51:16,026 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 10:51:16,027 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 10:51:16,028 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 10:51:16,028 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2018-11-23 10:51:16,028 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 10:51:16,028 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2018-11-23 10:51:16,083 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 54 edges. 54 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 10:51:16,083 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 10:51:16,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 10:51:16,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 10:51:16,084 INFO L87 Difference]: Start difference. First operand 897 states and 1217 transitions. Second operand 3 states. [2018-11-23 10:51:21,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:51:21,384 INFO L93 Difference]: Finished difference Result 1110 states and 1504 transitions. [2018-11-23 10:51:21,384 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 10:51:21,385 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2018-11-23 10:51:21,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 10:51:21,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 10:51:21,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 852 transitions. [2018-11-23 10:51:21,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 10:51:21,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 852 transitions. [2018-11-23 10:51:21,398 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 852 transitions. [2018-11-23 10:51:22,337 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 852 edges. 852 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 10:51:22,381 INFO L225 Difference]: With dead ends: 1110 [2018-11-23 10:51:22,381 INFO L226 Difference]: Without dead ends: 869 [2018-11-23 10:51:22,382 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 10:51:22,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 869 states. [2018-11-23 10:51:28,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 869 to 869. [2018-11-23 10:51:28,272 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 10:51:28,272 INFO L82 GeneralOperation]: Start isEquivalent. First operand 869 states. Second operand 869 states. [2018-11-23 10:51:28,272 INFO L74 IsIncluded]: Start isIncluded. First operand 869 states. Second operand 869 states. [2018-11-23 10:51:28,273 INFO L87 Difference]: Start difference. First operand 869 states. Second operand 869 states. [2018-11-23 10:51:28,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:51:28,307 INFO L93 Difference]: Finished difference Result 869 states and 1180 transitions. [2018-11-23 10:51:28,307 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 1180 transitions. [2018-11-23 10:51:28,309 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 10:51:28,309 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 10:51:28,309 INFO L74 IsIncluded]: Start isIncluded. First operand 869 states. Second operand 869 states. [2018-11-23 10:51:28,309 INFO L87 Difference]: Start difference. First operand 869 states. Second operand 869 states. [2018-11-23 10:51:28,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:51:28,344 INFO L93 Difference]: Finished difference Result 869 states and 1180 transitions. [2018-11-23 10:51:28,344 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 1180 transitions. [2018-11-23 10:51:28,345 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 10:51:28,346 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 10:51:28,346 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 10:51:28,346 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 10:51:28,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 869 states. [2018-11-23 10:51:28,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 869 states and 1180 transitions. [2018-11-23 10:51:28,379 INFO L78 Accepts]: Start accepts. Automaton has 869 states and 1180 transitions. Word has length 54 [2018-11-23 10:51:28,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 10:51:28,380 INFO L480 AbstractCegarLoop]: Abstraction has 869 states and 1180 transitions. [2018-11-23 10:51:28,380 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 10:51:28,380 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 1180 transitions. [2018-11-23 10:51:28,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 10:51:28,381 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 10:51:28,381 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 10:51:28,382 INFO L423 AbstractCegarLoop]: === Iteration 17 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 10:51:28,382 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 10:51:28,382 INFO L82 PathProgramCache]: Analyzing trace with hash -1812566224, now seen corresponding path program 1 times [2018-11-23 10:51:28,382 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 10:51:28,382 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 18 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 10:51:28,399 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 10:51:28,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:51:28,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:51:28,516 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 10:51:28,777 INFO L256 TraceCheckUtils]: 0: Hoare triple {69812#true} call ULTIMATE.init(); {69812#true} is VALID [2018-11-23 10:51:28,778 INFO L273 TraceCheckUtils]: 1: Hoare triple {69812#true} ~s~0 := 0bv32;~UNLOADED~0 := 0bv32;~NP~0 := 0bv32;~DC~0 := 0bv32;~SKIP1~0 := 0bv32;~SKIP2~0 := 0bv32;~MPR1~0 := 0bv32;~MPR3~0 := 0bv32;~IPC~0 := 0bv32;~pended~0 := 0bv32;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32;~routine~0 := 0bv32;~myStatus~0 := 0bv32;~pirp~0 := 0bv32;~Executive~0 := 0bv32;~Suspended~0 := 0bv32;~KernelMode~0 := 0bv32;~DeviceUsageTypePaging~0 := 0bv32; {69812#true} is VALID [2018-11-23 10:51:28,778 INFO L273 TraceCheckUtils]: 2: Hoare triple {69812#true} assume true; {69812#true} is VALID [2018-11-23 10:51:28,778 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {69812#true} {69812#true} #1496#return; {69812#true} is VALID [2018-11-23 10:51:28,778 INFO L256 TraceCheckUtils]: 4: Hoare triple {69812#true} call #t~ret176 := main(); {69812#true} is VALID [2018-11-23 10:51:28,779 INFO L273 TraceCheckUtils]: 5: Hoare triple {69812#true} havoc ~pirp__IoStatus__Status~0;~d~0 := #t~nondet150;havoc #t~nondet150;~status~9 := #t~nondet151;havoc #t~nondet151;~irp~1 := #t~nondet152;havoc #t~nondet152;~we_should_unload~0 := #t~nondet153;havoc #t~nondet153;~irp_choice~0 := #t~nondet154;havoc #t~nondet154;~devobj~0 := #t~nondet155;havoc #t~nondet155;havoc ~__cil_tmp9~1;~s~0 := 0bv32;~UNLOADED~0 := 0bv32;~NP~0 := 0bv32;~DC~0 := 0bv32;~SKIP1~0 := 0bv32;~SKIP2~0 := 0bv32;~MPR1~0 := 0bv32;~MPR3~0 := 0bv32;~IPC~0 := 0bv32;~pended~0 := 0bv32;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32;~routine~0 := 0bv32;~myStatus~0 := 0bv32;~pirp~0 := 0bv32;~Executive~0 := 0bv32;~Suspended~0 := 5bv32;~KernelMode~0 := 0bv32;~DeviceUsageTypePaging~0 := 1bv32;~pirp~0 := ~irp~1; {69812#true} is VALID [2018-11-23 10:51:28,779 INFO L256 TraceCheckUtils]: 6: Hoare triple {69812#true} call _BLAST_init(); {69812#true} is VALID [2018-11-23 10:51:28,779 INFO L273 TraceCheckUtils]: 7: Hoare triple {69812#true} ~UNLOADED~0 := 0bv32;~NP~0 := 1bv32;~DC~0 := 2bv32;~SKIP1~0 := 3bv32;~SKIP2~0 := 4bv32;~MPR1~0 := 5bv32;~MPR3~0 := 6bv32;~IPC~0 := 7bv32;~s~0 := ~UNLOADED~0;~pended~0 := 0bv32;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32; {69812#true} is VALID [2018-11-23 10:51:28,780 INFO L273 TraceCheckUtils]: 8: Hoare triple {69812#true} assume true; {69812#true} is VALID [2018-11-23 10:51:28,780 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {69812#true} {69812#true} #1364#return; {69812#true} is VALID [2018-11-23 10:51:28,780 INFO L273 TraceCheckUtils]: 10: Hoare triple {69812#true} assume ~bvsge32(~status~9, 0bv32);~s~0 := ~NP~0;~customIrp~0 := 0bv32;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0;~pirp__IoStatus__Status~0 := 0bv32;~myStatus~0 := 0bv32; {69812#true} is VALID [2018-11-23 10:51:28,780 INFO L273 TraceCheckUtils]: 11: Hoare triple {69812#true} assume 0bv32 == ~irp_choice~0;~pirp__IoStatus__Status~0 := 3221225659bv32;~myStatus~0 := 3221225659bv32; {69812#true} is VALID [2018-11-23 10:51:28,780 INFO L256 TraceCheckUtils]: 12: Hoare triple {69812#true} call stub_driver_init(); {69812#true} is VALID [2018-11-23 10:51:28,780 INFO L273 TraceCheckUtils]: 13: Hoare triple {69812#true} ~s~0 := ~NP~0;~customIrp~0 := 0bv32;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0; {69812#true} is VALID [2018-11-23 10:51:28,781 INFO L273 TraceCheckUtils]: 14: Hoare triple {69812#true} assume true; {69812#true} is VALID [2018-11-23 10:51:28,781 INFO L268 TraceCheckUtils]: 15: Hoare quadruple {69812#true} {69812#true} #1366#return; {69812#true} is VALID [2018-11-23 10:51:28,781 INFO L273 TraceCheckUtils]: 16: Hoare triple {69812#true} assume !~bvslt32(~status~9, 0bv32);havoc ~tmp_ndt_1~0;~tmp_ndt_1~0 := #t~nondet156;havoc #t~nondet156; {69812#true} is VALID [2018-11-23 10:51:28,781 INFO L273 TraceCheckUtils]: 17: Hoare triple {69812#true} assume !(2bv32 == ~tmp_ndt_1~0);havoc ~tmp_ndt_2~0;~tmp_ndt_2~0 := #t~nondet157;havoc #t~nondet157; {69812#true} is VALID [2018-11-23 10:51:28,781 INFO L273 TraceCheckUtils]: 18: Hoare triple {69812#true} assume !(3bv32 == ~tmp_ndt_2~0);havoc ~tmp_ndt_3~0;~tmp_ndt_3~0 := #t~nondet158;havoc #t~nondet158; {69812#true} is VALID [2018-11-23 10:51:28,782 INFO L273 TraceCheckUtils]: 19: Hoare triple {69812#true} assume 4bv32 == ~tmp_ndt_3~0; {69812#true} is VALID [2018-11-23 10:51:28,782 INFO L256 TraceCheckUtils]: 20: Hoare triple {69812#true} call #t~ret161 := CdAudioPower(~devobj~0, ~pirp~0); {69812#true} is VALID [2018-11-23 10:51:28,782 INFO L273 TraceCheckUtils]: 21: Hoare triple {69812#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;~Irp__CurrentLocation~1 := #t~nondet144;havoc #t~nondet144;~Irp__Tail__Overlay__CurrentStackLocation~3 := #t~nondet145;havoc #t~nondet145;~deviceExtension__TargetDeviceObject~4 := #t~nondet146;havoc #t~nondet146;havoc ~tmp~7; {69812#true} is VALID [2018-11-23 10:51:28,782 INFO L273 TraceCheckUtils]: 22: Hoare triple {69812#true} assume ~s~0 == ~NP~0;~s~0 := ~SKIP1~0; {69812#true} is VALID [2018-11-23 10:51:28,782 INFO L273 TraceCheckUtils]: 23: Hoare triple {69812#true} #t~post147 := ~Irp__CurrentLocation~1;~Irp__CurrentLocation~1 := ~bvadd32(1bv32, #t~post147);havoc #t~post147;#t~post148 := ~Irp__Tail__Overlay__CurrentStackLocation~3;~Irp__Tail__Overlay__CurrentStackLocation~3 := ~bvadd32(1bv32, #t~post148);havoc #t~post148; {69812#true} is VALID [2018-11-23 10:51:28,782 INFO L256 TraceCheckUtils]: 24: Hoare triple {69812#true} call #t~ret149 := PoCallDriver(~deviceExtension__TargetDeviceObject~4, ~Irp); {69812#true} is VALID [2018-11-23 10:51:28,783 INFO L273 TraceCheckUtils]: 25: Hoare triple {69812#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;havoc ~compRetStatus~1;havoc ~returnVal~0;~lcontext~1 := #t~nondet170;havoc #t~nondet170;havoc ~__cil_tmp7~0;havoc ~__cil_tmp8~2; {69812#true} is VALID [2018-11-23 10:51:28,783 INFO L273 TraceCheckUtils]: 26: Hoare triple {69812#true} assume !(0bv32 != ~compRegistered~0); {69812#true} is VALID [2018-11-23 10:51:28,783 INFO L273 TraceCheckUtils]: 27: Hoare triple {69812#true} havoc ~tmp_ndt_8~0;~tmp_ndt_8~0 := #t~nondet173;havoc #t~nondet173; {69812#true} is VALID [2018-11-23 10:51:28,783 INFO L273 TraceCheckUtils]: 28: Hoare triple {69812#true} assume 0bv32 == ~tmp_ndt_8~0; {69812#true} is VALID [2018-11-23 10:51:28,783 INFO L273 TraceCheckUtils]: 29: Hoare triple {69812#true} ~returnVal~0 := 0bv32; {69812#true} is VALID [2018-11-23 10:51:28,784 INFO L273 TraceCheckUtils]: 30: Hoare triple {69812#true} assume !(~s~0 == ~NP~0); {69812#true} is VALID [2018-11-23 10:51:28,784 INFO L273 TraceCheckUtils]: 31: Hoare triple {69812#true} assume !(~s~0 == ~MPR1~0); {69812#true} is VALID [2018-11-23 10:51:28,795 INFO L273 TraceCheckUtils]: 32: Hoare triple {69812#true} assume ~s~0 == ~SKIP1~0;~s~0 := ~SKIP2~0;~lowerDriverReturn~0 := ~returnVal~0; {69913#(= ~lowerDriverReturn~0 PoCallDriver_~returnVal~0)} is VALID [2018-11-23 10:51:28,807 INFO L273 TraceCheckUtils]: 33: Hoare triple {69913#(= ~lowerDriverReturn~0 PoCallDriver_~returnVal~0)} #res := ~returnVal~0; {69917#(= |PoCallDriver_#res| ~lowerDriverReturn~0)} is VALID [2018-11-23 10:51:28,807 INFO L273 TraceCheckUtils]: 34: Hoare triple {69917#(= |PoCallDriver_#res| ~lowerDriverReturn~0)} assume true; {69917#(= |PoCallDriver_#res| ~lowerDriverReturn~0)} is VALID [2018-11-23 10:51:28,808 INFO L268 TraceCheckUtils]: 35: Hoare quadruple {69917#(= |PoCallDriver_#res| ~lowerDriverReturn~0)} {69812#true} #1408#return; {69924#(= |CdAudioPower_#t~ret149| ~lowerDriverReturn~0)} is VALID [2018-11-23 10:51:28,813 INFO L273 TraceCheckUtils]: 36: Hoare triple {69924#(= |CdAudioPower_#t~ret149| ~lowerDriverReturn~0)} ~tmp~7 := #t~ret149;havoc #t~ret149;#res := ~tmp~7; {69928#(= |CdAudioPower_#res| ~lowerDriverReturn~0)} is VALID [2018-11-23 10:51:28,813 INFO L273 TraceCheckUtils]: 37: Hoare triple {69928#(= |CdAudioPower_#res| ~lowerDriverReturn~0)} assume true; {69928#(= |CdAudioPower_#res| ~lowerDriverReturn~0)} is VALID [2018-11-23 10:51:28,814 INFO L268 TraceCheckUtils]: 38: Hoare quadruple {69928#(= |CdAudioPower_#res| ~lowerDriverReturn~0)} {69812#true} #1372#return; {69935#(= ~lowerDriverReturn~0 |main_#t~ret161|)} is VALID [2018-11-23 10:51:28,814 INFO L273 TraceCheckUtils]: 39: Hoare triple {69935#(= ~lowerDriverReturn~0 |main_#t~ret161|)} ~status~9 := #t~ret161;havoc #t~ret161; {69939#(= main_~status~9 ~lowerDriverReturn~0)} is VALID [2018-11-23 10:51:28,814 INFO L273 TraceCheckUtils]: 40: Hoare triple {69939#(= main_~status~9 ~lowerDriverReturn~0)} assume !(0bv32 != ~we_should_unload~0); {69939#(= main_~status~9 ~lowerDriverReturn~0)} is VALID [2018-11-23 10:51:28,815 INFO L273 TraceCheckUtils]: 41: Hoare triple {69939#(= main_~status~9 ~lowerDriverReturn~0)} assume !(1bv32 == ~pended~0); {69939#(= main_~status~9 ~lowerDriverReturn~0)} is VALID [2018-11-23 10:51:28,815 INFO L273 TraceCheckUtils]: 42: Hoare triple {69939#(= main_~status~9 ~lowerDriverReturn~0)} assume !(1bv32 == ~pended~0); {69939#(= main_~status~9 ~lowerDriverReturn~0)} is VALID [2018-11-23 10:51:28,815 INFO L273 TraceCheckUtils]: 43: Hoare triple {69939#(= main_~status~9 ~lowerDriverReturn~0)} assume ~s~0 != ~UNLOADED~0; {69939#(= main_~status~9 ~lowerDriverReturn~0)} is VALID [2018-11-23 10:51:28,816 INFO L273 TraceCheckUtils]: 44: Hoare triple {69939#(= main_~status~9 ~lowerDriverReturn~0)} assume 4294967295bv32 != ~status~9; {69939#(= main_~status~9 ~lowerDriverReturn~0)} is VALID [2018-11-23 10:51:28,816 INFO L273 TraceCheckUtils]: 45: Hoare triple {69939#(= main_~status~9 ~lowerDriverReturn~0)} assume !(~s~0 != ~SKIP2~0); {69939#(= main_~status~9 ~lowerDriverReturn~0)} is VALID [2018-11-23 10:51:28,816 INFO L273 TraceCheckUtils]: 46: Hoare triple {69939#(= main_~status~9 ~lowerDriverReturn~0)} assume 1bv32 != ~pended~0; {69939#(= main_~status~9 ~lowerDriverReturn~0)} is VALID [2018-11-23 10:51:28,817 INFO L273 TraceCheckUtils]: 47: Hoare triple {69939#(= main_~status~9 ~lowerDriverReturn~0)} assume !(~s~0 == ~DC~0); {69939#(= main_~status~9 ~lowerDriverReturn~0)} is VALID [2018-11-23 10:51:28,817 INFO L273 TraceCheckUtils]: 48: Hoare triple {69939#(= main_~status~9 ~lowerDriverReturn~0)} assume ~status~9 != ~lowerDriverReturn~0; {69813#false} is VALID [2018-11-23 10:51:28,817 INFO L256 TraceCheckUtils]: 49: Hoare triple {69813#false} call errorFn(); {69813#false} is VALID [2018-11-23 10:51:28,818 INFO L273 TraceCheckUtils]: 50: Hoare triple {69813#false} assume !false; {69813#false} is VALID [2018-11-23 10:51:28,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 10:51:28,820 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 10:51:28,822 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 10:51:28,822 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-23 10:51:28,822 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2018-11-23 10:51:28,823 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 10:51:28,823 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2018-11-23 10:51:28,883 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 51 edges. 51 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 10:51:28,883 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 10:51:28,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 10:51:28,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 10:51:28,884 INFO L87 Difference]: Start difference. First operand 869 states and 1180 transitions. Second operand 8 states. [2018-11-23 10:51:39,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:51:39,592 INFO L93 Difference]: Finished difference Result 884 states and 1197 transitions. [2018-11-23 10:51:39,592 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 10:51:39,593 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2018-11-23 10:51:39,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 10:51:39,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2018-11-23 10:51:39,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 713 transitions. [2018-11-23 10:51:39,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2018-11-23 10:51:39,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 713 transitions. [2018-11-23 10:51:39,608 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 713 transitions. [2018-11-23 10:51:40,469 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 713 edges. 713 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 10:51:40,512 INFO L225 Difference]: With dead ends: 884 [2018-11-23 10:51:40,513 INFO L226 Difference]: Without dead ends: 880 [2018-11-23 10:51:40,513 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-11-23 10:51:40,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 880 states. [2018-11-23 10:51:45,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 880 to 876. [2018-11-23 10:51:45,647 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 10:51:45,647 INFO L82 GeneralOperation]: Start isEquivalent. First operand 880 states. Second operand 876 states. [2018-11-23 10:51:45,647 INFO L74 IsIncluded]: Start isIncluded. First operand 880 states. Second operand 876 states. [2018-11-23 10:51:45,647 INFO L87 Difference]: Start difference. First operand 880 states. Second operand 876 states. [2018-11-23 10:51:45,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:51:45,692 INFO L93 Difference]: Finished difference Result 880 states and 1193 transitions. [2018-11-23 10:51:45,692 INFO L276 IsEmpty]: Start isEmpty. Operand 880 states and 1193 transitions. [2018-11-23 10:51:45,694 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 10:51:45,694 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 10:51:45,695 INFO L74 IsIncluded]: Start isIncluded. First operand 876 states. Second operand 880 states. [2018-11-23 10:51:45,695 INFO L87 Difference]: Start difference. First operand 876 states. Second operand 880 states. [2018-11-23 10:51:45,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:51:45,729 INFO L93 Difference]: Finished difference Result 880 states and 1193 transitions. [2018-11-23 10:51:45,729 INFO L276 IsEmpty]: Start isEmpty. Operand 880 states and 1193 transitions. [2018-11-23 10:51:45,731 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 10:51:45,731 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 10:51:45,731 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 10:51:45,731 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 10:51:45,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 876 states. [2018-11-23 10:51:45,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 876 states and 1189 transitions. [2018-11-23 10:51:45,764 INFO L78 Accepts]: Start accepts. Automaton has 876 states and 1189 transitions. Word has length 51 [2018-11-23 10:51:45,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 10:51:45,764 INFO L480 AbstractCegarLoop]: Abstraction has 876 states and 1189 transitions. [2018-11-23 10:51:45,764 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 10:51:45,764 INFO L276 IsEmpty]: Start isEmpty. Operand 876 states and 1189 transitions. [2018-11-23 10:51:45,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 10:51:45,765 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 10:51:45,765 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 10:51:45,766 INFO L423 AbstractCegarLoop]: === Iteration 18 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 10:51:45,766 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 10:51:45,766 INFO L82 PathProgramCache]: Analyzing trace with hash -1812843054, now seen corresponding path program 1 times [2018-11-23 10:51:45,766 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 10:51:45,766 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 19 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 10:51:45,784 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 10:51:45,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:51:45,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:51:45,897 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 10:51:46,044 INFO L256 TraceCheckUtils]: 0: Hoare triple {74046#true} call ULTIMATE.init(); {74046#true} is VALID [2018-11-23 10:51:46,044 INFO L273 TraceCheckUtils]: 1: Hoare triple {74046#true} ~s~0 := 0bv32;~UNLOADED~0 := 0bv32;~NP~0 := 0bv32;~DC~0 := 0bv32;~SKIP1~0 := 0bv32;~SKIP2~0 := 0bv32;~MPR1~0 := 0bv32;~MPR3~0 := 0bv32;~IPC~0 := 0bv32;~pended~0 := 0bv32;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32;~routine~0 := 0bv32;~myStatus~0 := 0bv32;~pirp~0 := 0bv32;~Executive~0 := 0bv32;~Suspended~0 := 0bv32;~KernelMode~0 := 0bv32;~DeviceUsageTypePaging~0 := 0bv32; {74046#true} is VALID [2018-11-23 10:51:46,045 INFO L273 TraceCheckUtils]: 2: Hoare triple {74046#true} assume true; {74046#true} is VALID [2018-11-23 10:51:46,045 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {74046#true} {74046#true} #1496#return; {74046#true} is VALID [2018-11-23 10:51:46,045 INFO L256 TraceCheckUtils]: 4: Hoare triple {74046#true} call #t~ret176 := main(); {74046#true} is VALID [2018-11-23 10:51:46,045 INFO L273 TraceCheckUtils]: 5: Hoare triple {74046#true} havoc ~pirp__IoStatus__Status~0;~d~0 := #t~nondet150;havoc #t~nondet150;~status~9 := #t~nondet151;havoc #t~nondet151;~irp~1 := #t~nondet152;havoc #t~nondet152;~we_should_unload~0 := #t~nondet153;havoc #t~nondet153;~irp_choice~0 := #t~nondet154;havoc #t~nondet154;~devobj~0 := #t~nondet155;havoc #t~nondet155;havoc ~__cil_tmp9~1;~s~0 := 0bv32;~UNLOADED~0 := 0bv32;~NP~0 := 0bv32;~DC~0 := 0bv32;~SKIP1~0 := 0bv32;~SKIP2~0 := 0bv32;~MPR1~0 := 0bv32;~MPR3~0 := 0bv32;~IPC~0 := 0bv32;~pended~0 := 0bv32;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32;~routine~0 := 0bv32;~myStatus~0 := 0bv32;~pirp~0 := 0bv32;~Executive~0 := 0bv32;~Suspended~0 := 5bv32;~KernelMode~0 := 0bv32;~DeviceUsageTypePaging~0 := 1bv32;~pirp~0 := ~irp~1; {74046#true} is VALID [2018-11-23 10:51:46,046 INFO L256 TraceCheckUtils]: 6: Hoare triple {74046#true} call _BLAST_init(); {74046#true} is VALID [2018-11-23 10:51:46,046 INFO L273 TraceCheckUtils]: 7: Hoare triple {74046#true} ~UNLOADED~0 := 0bv32;~NP~0 := 1bv32;~DC~0 := 2bv32;~SKIP1~0 := 3bv32;~SKIP2~0 := 4bv32;~MPR1~0 := 5bv32;~MPR3~0 := 6bv32;~IPC~0 := 7bv32;~s~0 := ~UNLOADED~0;~pended~0 := 0bv32;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32; {74072#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-23 10:51:46,047 INFO L273 TraceCheckUtils]: 8: Hoare triple {74072#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} assume true; {74072#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-23 10:51:46,048 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {74072#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} {74046#true} #1364#return; {74072#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-23 10:51:46,048 INFO L273 TraceCheckUtils]: 10: Hoare triple {74072#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} assume ~bvsge32(~status~9, 0bv32);~s~0 := ~NP~0;~customIrp~0 := 0bv32;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0;~pirp__IoStatus__Status~0 := 0bv32;~myStatus~0 := 0bv32; {74072#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-23 10:51:46,050 INFO L273 TraceCheckUtils]: 11: Hoare triple {74072#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} assume 0bv32 == ~irp_choice~0;~pirp__IoStatus__Status~0 := 3221225659bv32;~myStatus~0 := 3221225659bv32; {74072#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-23 10:51:46,050 INFO L256 TraceCheckUtils]: 12: Hoare triple {74072#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} call stub_driver_init(); {74072#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-23 10:51:46,051 INFO L273 TraceCheckUtils]: 13: Hoare triple {74072#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} ~s~0 := ~NP~0;~customIrp~0 := 0bv32;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0; {74072#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-23 10:51:46,058 INFO L273 TraceCheckUtils]: 14: Hoare triple {74072#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} assume true; {74072#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-23 10:51:46,059 INFO L268 TraceCheckUtils]: 15: Hoare quadruple {74072#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} {74072#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} #1366#return; {74072#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-23 10:51:46,059 INFO L273 TraceCheckUtils]: 16: Hoare triple {74072#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} assume !~bvslt32(~status~9, 0bv32);havoc ~tmp_ndt_1~0;~tmp_ndt_1~0 := #t~nondet156;havoc #t~nondet156; {74072#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-23 10:51:46,059 INFO L273 TraceCheckUtils]: 17: Hoare triple {74072#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} assume !(2bv32 == ~tmp_ndt_1~0);havoc ~tmp_ndt_2~0;~tmp_ndt_2~0 := #t~nondet157;havoc #t~nondet157; {74072#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-23 10:51:46,060 INFO L273 TraceCheckUtils]: 18: Hoare triple {74072#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} assume !(3bv32 == ~tmp_ndt_2~0);havoc ~tmp_ndt_3~0;~tmp_ndt_3~0 := #t~nondet158;havoc #t~nondet158; {74072#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-23 10:51:46,060 INFO L273 TraceCheckUtils]: 19: Hoare triple {74072#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} assume 4bv32 == ~tmp_ndt_3~0; {74072#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-23 10:51:46,061 INFO L256 TraceCheckUtils]: 20: Hoare triple {74072#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} call #t~ret161 := CdAudioPower(~devobj~0, ~pirp~0); {74072#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-23 10:51:46,061 INFO L273 TraceCheckUtils]: 21: Hoare triple {74072#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;~Irp__CurrentLocation~1 := #t~nondet144;havoc #t~nondet144;~Irp__Tail__Overlay__CurrentStackLocation~3 := #t~nondet145;havoc #t~nondet145;~deviceExtension__TargetDeviceObject~4 := #t~nondet146;havoc #t~nondet146;havoc ~tmp~7; {74072#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-23 10:51:46,062 INFO L273 TraceCheckUtils]: 22: Hoare triple {74072#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} assume ~s~0 == ~NP~0;~s~0 := ~SKIP1~0; {74072#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-23 10:51:46,062 INFO L273 TraceCheckUtils]: 23: Hoare triple {74072#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} #t~post147 := ~Irp__CurrentLocation~1;~Irp__CurrentLocation~1 := ~bvadd32(1bv32, #t~post147);havoc #t~post147;#t~post148 := ~Irp__Tail__Overlay__CurrentStackLocation~3;~Irp__Tail__Overlay__CurrentStackLocation~3 := ~bvadd32(1bv32, #t~post148);havoc #t~post148; {74072#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-23 10:51:46,063 INFO L256 TraceCheckUtils]: 24: Hoare triple {74072#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} call #t~ret149 := PoCallDriver(~deviceExtension__TargetDeviceObject~4, ~Irp); {74072#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-23 10:51:46,063 INFO L273 TraceCheckUtils]: 25: Hoare triple {74072#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;havoc ~compRetStatus~1;havoc ~returnVal~0;~lcontext~1 := #t~nondet170;havoc #t~nondet170;havoc ~__cil_tmp7~0;havoc ~__cil_tmp8~2; {74072#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-23 10:51:46,064 INFO L273 TraceCheckUtils]: 26: Hoare triple {74072#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} assume !(0bv32 != ~compRegistered~0); {74072#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-23 10:51:46,065 INFO L273 TraceCheckUtils]: 27: Hoare triple {74072#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} havoc ~tmp_ndt_8~0;~tmp_ndt_8~0 := #t~nondet173;havoc #t~nondet173; {74072#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-23 10:51:46,065 INFO L273 TraceCheckUtils]: 28: Hoare triple {74072#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} assume 0bv32 == ~tmp_ndt_8~0; {74072#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-23 10:51:46,066 INFO L273 TraceCheckUtils]: 29: Hoare triple {74072#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} ~returnVal~0 := 0bv32; {74072#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-23 10:51:46,067 INFO L273 TraceCheckUtils]: 30: Hoare triple {74072#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} assume !(~s~0 == ~NP~0); {74072#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-23 10:51:46,067 INFO L273 TraceCheckUtils]: 31: Hoare triple {74072#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} assume !(~s~0 == ~MPR1~0); {74072#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-23 10:51:46,068 INFO L273 TraceCheckUtils]: 32: Hoare triple {74072#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} assume ~s~0 == ~SKIP1~0;~s~0 := ~SKIP2~0;~lowerDriverReturn~0 := ~returnVal~0; {74148#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0) (= ~SKIP2~0 ~s~0))} is VALID [2018-11-23 10:51:46,069 INFO L273 TraceCheckUtils]: 33: Hoare triple {74148#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0) (= ~SKIP2~0 ~s~0))} #res := ~returnVal~0; {74148#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0) (= ~SKIP2~0 ~s~0))} is VALID [2018-11-23 10:51:46,070 INFO L273 TraceCheckUtils]: 34: Hoare triple {74148#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0) (= ~SKIP2~0 ~s~0))} assume true; {74148#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0) (= ~SKIP2~0 ~s~0))} is VALID [2018-11-23 10:51:46,071 INFO L268 TraceCheckUtils]: 35: Hoare quadruple {74148#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0) (= ~SKIP2~0 ~s~0))} {74072#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} #1408#return; {74148#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0) (= ~SKIP2~0 ~s~0))} is VALID [2018-11-23 10:51:46,071 INFO L273 TraceCheckUtils]: 36: Hoare triple {74148#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0) (= ~SKIP2~0 ~s~0))} ~tmp~7 := #t~ret149;havoc #t~ret149;#res := ~tmp~7; {74148#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0) (= ~SKIP2~0 ~s~0))} is VALID [2018-11-23 10:51:46,072 INFO L273 TraceCheckUtils]: 37: Hoare triple {74148#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0) (= ~SKIP2~0 ~s~0))} assume true; {74148#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0) (= ~SKIP2~0 ~s~0))} is VALID [2018-11-23 10:51:46,073 INFO L268 TraceCheckUtils]: 38: Hoare quadruple {74148#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0) (= ~SKIP2~0 ~s~0))} {74072#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} #1372#return; {74167#(and (= (_ bv4 32) ~s~0) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-23 10:51:46,074 INFO L273 TraceCheckUtils]: 39: Hoare triple {74167#(and (= (_ bv4 32) ~s~0) (= (_ bv2 32) ~DC~0))} ~status~9 := #t~ret161;havoc #t~ret161; {74167#(and (= (_ bv4 32) ~s~0) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-23 10:51:46,075 INFO L273 TraceCheckUtils]: 40: Hoare triple {74167#(and (= (_ bv4 32) ~s~0) (= (_ bv2 32) ~DC~0))} assume !(0bv32 != ~we_should_unload~0); {74167#(and (= (_ bv4 32) ~s~0) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-23 10:51:46,075 INFO L273 TraceCheckUtils]: 41: Hoare triple {74167#(and (= (_ bv4 32) ~s~0) (= (_ bv2 32) ~DC~0))} assume !(1bv32 == ~pended~0); {74167#(and (= (_ bv4 32) ~s~0) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-23 10:51:46,076 INFO L273 TraceCheckUtils]: 42: Hoare triple {74167#(and (= (_ bv4 32) ~s~0) (= (_ bv2 32) ~DC~0))} assume !(1bv32 == ~pended~0); {74167#(and (= (_ bv4 32) ~s~0) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-23 10:51:46,077 INFO L273 TraceCheckUtils]: 43: Hoare triple {74167#(and (= (_ bv4 32) ~s~0) (= (_ bv2 32) ~DC~0))} assume ~s~0 != ~UNLOADED~0; {74167#(and (= (_ bv4 32) ~s~0) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-23 10:51:46,077 INFO L273 TraceCheckUtils]: 44: Hoare triple {74167#(and (= (_ bv4 32) ~s~0) (= (_ bv2 32) ~DC~0))} assume 4294967295bv32 != ~status~9; {74167#(and (= (_ bv4 32) ~s~0) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-23 10:51:46,078 INFO L273 TraceCheckUtils]: 45: Hoare triple {74167#(and (= (_ bv4 32) ~s~0) (= (_ bv2 32) ~DC~0))} assume !(~s~0 != ~SKIP2~0); {74167#(and (= (_ bv4 32) ~s~0) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-23 10:51:46,079 INFO L273 TraceCheckUtils]: 46: Hoare triple {74167#(and (= (_ bv4 32) ~s~0) (= (_ bv2 32) ~DC~0))} assume 1bv32 != ~pended~0; {74167#(and (= (_ bv4 32) ~s~0) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-23 10:51:46,079 INFO L273 TraceCheckUtils]: 47: Hoare triple {74167#(and (= (_ bv4 32) ~s~0) (= (_ bv2 32) ~DC~0))} assume ~s~0 == ~DC~0; {74047#false} is VALID [2018-11-23 10:51:46,079 INFO L273 TraceCheckUtils]: 48: Hoare triple {74047#false} assume 259bv32 == ~status~9; {74047#false} is VALID [2018-11-23 10:51:46,080 INFO L256 TraceCheckUtils]: 49: Hoare triple {74047#false} call errorFn(); {74047#false} is VALID [2018-11-23 10:51:46,080 INFO L273 TraceCheckUtils]: 50: Hoare triple {74047#false} assume !false; {74047#false} is VALID [2018-11-23 10:51:46,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 10:51:46,085 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 10:51:46,088 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 10:51:46,088 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 10:51:46,089 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2018-11-23 10:51:46,089 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 10:51:46,089 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2018-11-23 10:51:46,158 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 51 edges. 51 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 10:51:46,158 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 10:51:46,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 10:51:46,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 10:51:46,159 INFO L87 Difference]: Start difference. First operand 876 states and 1189 transitions. Second operand 5 states. [2018-11-23 10:51:55,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:51:55,357 INFO L93 Difference]: Finished difference Result 888 states and 1200 transitions. [2018-11-23 10:51:55,357 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 10:51:55,357 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2018-11-23 10:51:55,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 10:51:55,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-23 10:51:55,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 737 transitions. [2018-11-23 10:51:55,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-23 10:51:55,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 737 transitions. [2018-11-23 10:51:55,367 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 737 transitions. [2018-11-23 10:51:56,400 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 737 edges. 737 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 10:51:56,446 INFO L225 Difference]: With dead ends: 888 [2018-11-23 10:51:56,446 INFO L226 Difference]: Without dead ends: 851 [2018-11-23 10:51:56,447 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 10:51:56,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 851 states. [2018-11-23 10:52:00,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 851 to 847. [2018-11-23 10:52:00,988 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 10:52:00,988 INFO L82 GeneralOperation]: Start isEquivalent. First operand 851 states. Second operand 847 states. [2018-11-23 10:52:00,988 INFO L74 IsIncluded]: Start isIncluded. First operand 851 states. Second operand 847 states. [2018-11-23 10:52:00,988 INFO L87 Difference]: Start difference. First operand 851 states. Second operand 847 states. [2018-11-23 10:52:01,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:52:01,032 INFO L93 Difference]: Finished difference Result 851 states and 1157 transitions. [2018-11-23 10:52:01,032 INFO L276 IsEmpty]: Start isEmpty. Operand 851 states and 1157 transitions. [2018-11-23 10:52:01,035 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 10:52:01,035 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 10:52:01,035 INFO L74 IsIncluded]: Start isIncluded. First operand 847 states. Second operand 851 states. [2018-11-23 10:52:01,036 INFO L87 Difference]: Start difference. First operand 847 states. Second operand 851 states. [2018-11-23 10:52:01,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:52:01,083 INFO L93 Difference]: Finished difference Result 851 states and 1157 transitions. [2018-11-23 10:52:01,083 INFO L276 IsEmpty]: Start isEmpty. Operand 851 states and 1157 transitions. [2018-11-23 10:52:01,085 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 10:52:01,085 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 10:52:01,085 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 10:52:01,085 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 10:52:01,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 847 states. [2018-11-23 10:52:01,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 847 states to 847 states and 1154 transitions. [2018-11-23 10:52:01,137 INFO L78 Accepts]: Start accepts. Automaton has 847 states and 1154 transitions. Word has length 51 [2018-11-23 10:52:01,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 10:52:01,138 INFO L480 AbstractCegarLoop]: Abstraction has 847 states and 1154 transitions. [2018-11-23 10:52:01,138 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 10:52:01,138 INFO L276 IsEmpty]: Start isEmpty. Operand 847 states and 1154 transitions. [2018-11-23 10:52:01,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-23 10:52:01,139 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 10:52:01,139 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 10:52:01,140 INFO L423 AbstractCegarLoop]: === Iteration 19 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 10:52:01,140 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 10:52:01,140 INFO L82 PathProgramCache]: Analyzing trace with hash 1155447028, now seen corresponding path program 1 times [2018-11-23 10:52:01,140 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 10:52:01,140 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 20 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 10:52:01,171 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 10:52:01,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:52:01,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:52:01,329 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 10:52:01,879 INFO L256 TraceCheckUtils]: 0: Hoare triple {78183#true} call ULTIMATE.init(); {78183#true} is VALID [2018-11-23 10:52:01,879 INFO L273 TraceCheckUtils]: 1: Hoare triple {78183#true} ~s~0 := 0bv32;~UNLOADED~0 := 0bv32;~NP~0 := 0bv32;~DC~0 := 0bv32;~SKIP1~0 := 0bv32;~SKIP2~0 := 0bv32;~MPR1~0 := 0bv32;~MPR3~0 := 0bv32;~IPC~0 := 0bv32;~pended~0 := 0bv32;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32;~routine~0 := 0bv32;~myStatus~0 := 0bv32;~pirp~0 := 0bv32;~Executive~0 := 0bv32;~Suspended~0 := 0bv32;~KernelMode~0 := 0bv32;~DeviceUsageTypePaging~0 := 0bv32; {78183#true} is VALID [2018-11-23 10:52:01,880 INFO L273 TraceCheckUtils]: 2: Hoare triple {78183#true} assume true; {78183#true} is VALID [2018-11-23 10:52:01,880 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {78183#true} {78183#true} #1496#return; {78183#true} is VALID [2018-11-23 10:52:01,880 INFO L256 TraceCheckUtils]: 4: Hoare triple {78183#true} call #t~ret176 := main(); {78183#true} is VALID [2018-11-23 10:52:01,880 INFO L273 TraceCheckUtils]: 5: Hoare triple {78183#true} havoc ~pirp__IoStatus__Status~0;~d~0 := #t~nondet150;havoc #t~nondet150;~status~9 := #t~nondet151;havoc #t~nondet151;~irp~1 := #t~nondet152;havoc #t~nondet152;~we_should_unload~0 := #t~nondet153;havoc #t~nondet153;~irp_choice~0 := #t~nondet154;havoc #t~nondet154;~devobj~0 := #t~nondet155;havoc #t~nondet155;havoc ~__cil_tmp9~1;~s~0 := 0bv32;~UNLOADED~0 := 0bv32;~NP~0 := 0bv32;~DC~0 := 0bv32;~SKIP1~0 := 0bv32;~SKIP2~0 := 0bv32;~MPR1~0 := 0bv32;~MPR3~0 := 0bv32;~IPC~0 := 0bv32;~pended~0 := 0bv32;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32;~routine~0 := 0bv32;~myStatus~0 := 0bv32;~pirp~0 := 0bv32;~Executive~0 := 0bv32;~Suspended~0 := 5bv32;~KernelMode~0 := 0bv32;~DeviceUsageTypePaging~0 := 1bv32;~pirp~0 := ~irp~1; {78183#true} is VALID [2018-11-23 10:52:01,880 INFO L256 TraceCheckUtils]: 6: Hoare triple {78183#true} call _BLAST_init(); {78183#true} is VALID [2018-11-23 10:52:01,880 INFO L273 TraceCheckUtils]: 7: Hoare triple {78183#true} ~UNLOADED~0 := 0bv32;~NP~0 := 1bv32;~DC~0 := 2bv32;~SKIP1~0 := 3bv32;~SKIP2~0 := 4bv32;~MPR1~0 := 5bv32;~MPR3~0 := 6bv32;~IPC~0 := 7bv32;~s~0 := ~UNLOADED~0;~pended~0 := 0bv32;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32; {78183#true} is VALID [2018-11-23 10:52:01,881 INFO L273 TraceCheckUtils]: 8: Hoare triple {78183#true} assume true; {78183#true} is VALID [2018-11-23 10:52:01,881 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {78183#true} {78183#true} #1364#return; {78183#true} is VALID [2018-11-23 10:52:01,881 INFO L273 TraceCheckUtils]: 10: Hoare triple {78183#true} assume ~bvsge32(~status~9, 0bv32);~s~0 := ~NP~0;~customIrp~0 := 0bv32;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0;~pirp__IoStatus__Status~0 := 0bv32;~myStatus~0 := 0bv32; {78183#true} is VALID [2018-11-23 10:52:01,881 INFO L273 TraceCheckUtils]: 11: Hoare triple {78183#true} assume 0bv32 == ~irp_choice~0;~pirp__IoStatus__Status~0 := 3221225659bv32;~myStatus~0 := 3221225659bv32; {78183#true} is VALID [2018-11-23 10:52:01,881 INFO L256 TraceCheckUtils]: 12: Hoare triple {78183#true} call stub_driver_init(); {78183#true} is VALID [2018-11-23 10:52:01,881 INFO L273 TraceCheckUtils]: 13: Hoare triple {78183#true} ~s~0 := ~NP~0;~customIrp~0 := 0bv32;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0; {78183#true} is VALID [2018-11-23 10:52:01,881 INFO L273 TraceCheckUtils]: 14: Hoare triple {78183#true} assume true; {78183#true} is VALID [2018-11-23 10:52:01,882 INFO L268 TraceCheckUtils]: 15: Hoare quadruple {78183#true} {78183#true} #1366#return; {78183#true} is VALID [2018-11-23 10:52:01,882 INFO L273 TraceCheckUtils]: 16: Hoare triple {78183#true} assume !~bvslt32(~status~9, 0bv32);havoc ~tmp_ndt_1~0;~tmp_ndt_1~0 := #t~nondet156;havoc #t~nondet156; {78183#true} is VALID [2018-11-23 10:52:01,882 INFO L273 TraceCheckUtils]: 17: Hoare triple {78183#true} assume 2bv32 == ~tmp_ndt_1~0; {78183#true} is VALID [2018-11-23 10:52:01,882 INFO L256 TraceCheckUtils]: 18: Hoare triple {78183#true} call #t~ret159 := CdAudioDeviceControl(~devobj~0, ~pirp~0); {78183#true} is VALID [2018-11-23 10:52:01,882 INFO L273 TraceCheckUtils]: 19: Hoare triple {78183#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;~deviceExtension__Active~1 := #t~nondet26;havoc #t~nondet26;havoc ~status~3; {78183#true} is VALID [2018-11-23 10:52:01,882 INFO L273 TraceCheckUtils]: 20: Hoare triple {78183#true} assume !(2bv32 == ~deviceExtension__Active~1); {78183#true} is VALID [2018-11-23 10:52:01,882 INFO L273 TraceCheckUtils]: 21: Hoare triple {78183#true} assume 3bv32 == ~deviceExtension__Active~1; {78183#true} is VALID [2018-11-23 10:52:01,882 INFO L256 TraceCheckUtils]: 22: Hoare triple {78183#true} call #t~ret28 := CdAudio435DeviceControl(~DeviceObject, ~Irp); {78183#true} is VALID [2018-11-23 10:52:01,883 INFO L273 TraceCheckUtils]: 23: Hoare triple {78183#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;~currentIrpStack__Parameters__DeviceIoControl__IoControlCode~1 := #t~nondet94;havoc #t~nondet94;~currentIrpStack__Parameters__DeviceIoControl__OutputBufferLength~1 := #t~nondet95;havoc #t~nondet95;~currentIrpStack__Parameters__DeviceIoControl__InputBufferLength~1 := #t~nondet96;havoc #t~nondet96;~TrackData__0~0 := #t~nondet97;havoc #t~nondet97;havoc ~Irp__IoStatus__Information~1;havoc ~srb__TimeOutValue~1;havoc ~srb__CdbLength~1;~sizeof__CDROM_TOC~1 := #t~nondet98;havoc #t~nondet98;~cdaudioDataOut__LastTrack~1 := #t~nondet99;havoc #t~nondet99;~cdaudioDataOut__FirstTrack~1 := #t~nondet100;havoc #t~nondet100;~sizeof__CDROM_PLAY_AUDIO_MSF~1 := #t~nondet101;havoc #t~nondet101;~sizeof__CDROM_SEEK_AUDIO_MSF~1 := #t~nondet102;havoc #t~nondet102;~deviceExtension__Paused~0 := #t~nondet103;havoc #t~nondet103;havoc ~deviceExtension__PlayActive~1;~sizeof__SUB_Q_CHANNEL_DATA~0 := #t~nondet104;havoc #t~nondet104;~sizeof__SUB_Q_CURRENT_POSITION~1 := #t~nondet105;havoc #t~nondet105;~deviceExtension~2 := #t~nondet106;havoc #t~nondet106;~srb~2 := #t~nondet107;havoc #t~nondet107;havoc ~status~6;~i~1 := #t~nondet108;havoc #t~nondet108;havoc ~bytesTransfered~1;~Toc~1 := #t~nondet109;havoc #t~nondet109;havoc ~tmp~4;havoc ~tracksToReturn~1;havoc ~tracksOnCd~1;havoc ~tracksInBuffer~1;~SubQPtr~1 := #t~nondet110;havoc #t~nondet110;~userPtr__Format~1 := #t~nondet111;havoc #t~nondet111;~SubQPtr___0~0 := #t~nondet112;havoc #t~nondet112;havoc ~tmp___0~2;havoc ~tmp___1~1;havoc ~tmp___2~1;havoc ~__cil_tmp35~0;havoc ~__cil_tmp36~0;havoc ~__cil_tmp37~0;havoc ~__cil_tmp38~0;havoc ~__cil_tmp39~0;havoc ~__cil_tmp40~0;havoc ~__cil_tmp41~0;havoc ~__cil_tmp42~0;havoc ~__cil_tmp43~0;havoc ~__cil_tmp44~0;havoc ~__cil_tmp45~0;havoc ~__cil_tmp46~0;havoc ~__cil_tmp47~0;havoc ~__cil_tmp48~0;havoc ~__cil_tmp49~0;havoc ~__cil_tmp50~0;havoc ~__cil_tmp51~0;havoc ~__cil_tmp52~0;havoc ~__cil_tmp53~0;havoc ~__cil_tmp54~0;havoc ~__cil_tmp55~0;havoc ~__cil_tmp56~0;havoc ~__cil_tmp57~0;havoc ~__cil_tmp58~1;havoc ~__cil_tmp59~1;havoc ~__cil_tmp60~1;havoc ~__cil_tmp61~1;havoc ~__cil_tmp62~1;havoc ~__cil_tmp63~1;havoc ~__cil_tmp64~1;havoc ~__cil_tmp65~1;havoc ~__cil_tmp66~1;havoc ~__cil_tmp67~1;havoc ~__cil_tmp68~1;havoc ~__cil_tmp69~1;havoc ~__cil_tmp70~1;havoc ~__cil_tmp71~1;havoc ~__cil_tmp72~1;havoc ~__cil_tmp73~1;havoc ~__cil_tmp74~1;havoc ~__cil_tmp75~1;havoc ~__cil_tmp76~1;havoc ~__cil_tmp77~1;havoc ~__cil_tmp78~1;havoc ~__cil_tmp79~1;havoc ~__cil_tmp80~1;havoc ~__cil_tmp81~1;havoc ~__cil_tmp82~1;havoc ~__cil_tmp83~1;havoc ~__cil_tmp84~1;havoc ~__cil_tmp85~1;havoc ~__cil_tmp86~1;havoc ~__cil_tmp87~1;havoc ~__cil_tmp88~1;havoc ~__cil_tmp89~1;havoc ~__cil_tmp90~1;havoc ~__cil_tmp91~1;havoc ~__cil_tmp92~1;havoc ~__cil_tmp93~1;havoc ~__cil_tmp94~1;havoc ~__cil_tmp95~1;havoc ~__cil_tmp96~1;havoc ~__cil_tmp97~1;havoc ~__cil_tmp98~1;havoc ~__cil_tmp99~1;havoc ~__cil_tmp100~1;havoc ~__cil_tmp101~1;havoc ~__cil_tmp102~1;havoc ~__cil_tmp103~1;havoc ~__cil_tmp104~1;havoc ~__cil_tmp105~1;havoc ~__cil_tmp106~1;havoc ~__cil_tmp107~1;havoc ~__cil_tmp108~1;havoc ~__cil_tmp109~1;havoc ~__cil_tmp110~1;havoc ~__cil_tmp111~0;havoc ~__cil_tmp112~0;havoc ~__cil_tmp113~0;havoc ~__cil_tmp114~0;havoc ~__cil_tmp115~0;havoc ~__cil_tmp116~0;~__cil_tmp35~0 := 16384bv32;~__cil_tmp36~0 := 131072bv32;~__cil_tmp37~0 := 147456bv32; {78183#true} is VALID [2018-11-23 10:52:01,883 INFO L273 TraceCheckUtils]: 24: Hoare triple {78183#true} assume ~currentIrpStack__Parameters__DeviceIoControl__IoControlCode~1 == ~__cil_tmp37~0; {78183#true} is VALID [2018-11-23 10:52:01,900 INFO L273 TraceCheckUtils]: 25: Hoare triple {78183#true} assume ~bvslt32(~currentIrpStack__Parameters__DeviceIoControl__OutputBufferLength~1, ~TrackData__0~0);~status~6 := 3221225507bv32;~Irp__IoStatus__Information~1 := 0bv32; {78263#(= (_ bv3221225507 32) CdAudio435DeviceControl_~status~6)} is VALID [2018-11-23 10:52:01,909 INFO L273 TraceCheckUtils]: 26: Hoare triple {78263#(= (_ bv3221225507 32) CdAudio435DeviceControl_~status~6)} ~__cil_tmp116~0 := ~status~6; {78267#(= (bvadd CdAudio435DeviceControl_~__cil_tmp116~0 (_ bv1073741789 32)) (_ bv0 32))} is VALID [2018-11-23 10:52:01,923 INFO L273 TraceCheckUtils]: 27: Hoare triple {78267#(= (bvadd CdAudio435DeviceControl_~__cil_tmp116~0 (_ bv1073741789 32)) (_ bv0 32))} assume 2147483670bv32 == ~__cil_tmp116~0;~Irp__IoStatus__Information~1 := 0bv32; {78184#false} is VALID [2018-11-23 10:52:01,923 INFO L273 TraceCheckUtils]: 28: Hoare triple {78184#false} ~myStatus~0 := ~status~6; {78184#false} is VALID [2018-11-23 10:52:01,923 INFO L256 TraceCheckUtils]: 29: Hoare triple {78184#false} call IofCompleteRequest(~Irp, 0bv32); {78184#false} is VALID [2018-11-23 10:52:01,923 INFO L273 TraceCheckUtils]: 30: Hoare triple {78184#false} ~Irp := #in~Irp;~PriorityBoost := #in~PriorityBoost; {78184#false} is VALID [2018-11-23 10:52:01,924 INFO L273 TraceCheckUtils]: 31: Hoare triple {78184#false} assume ~s~0 == ~NP~0;~s~0 := ~DC~0; {78184#false} is VALID [2018-11-23 10:52:01,924 INFO L273 TraceCheckUtils]: 32: Hoare triple {78184#false} assume true; {78184#false} is VALID [2018-11-23 10:52:01,924 INFO L268 TraceCheckUtils]: 33: Hoare quadruple {78184#false} {78184#false} #1548#return; {78184#false} is VALID [2018-11-23 10:52:01,924 INFO L273 TraceCheckUtils]: 34: Hoare triple {78184#false} #res := ~status~6; {78184#false} is VALID [2018-11-23 10:52:01,924 INFO L273 TraceCheckUtils]: 35: Hoare triple {78184#false} assume true; {78184#false} is VALID [2018-11-23 10:52:01,925 INFO L268 TraceCheckUtils]: 36: Hoare quadruple {78184#false} {78183#true} #1488#return; {78184#false} is VALID [2018-11-23 10:52:01,925 INFO L273 TraceCheckUtils]: 37: Hoare triple {78184#false} ~status~3 := #t~ret28;havoc #t~ret28; {78184#false} is VALID [2018-11-23 10:52:01,925 INFO L273 TraceCheckUtils]: 38: Hoare triple {78184#false} #res := ~status~3; {78184#false} is VALID [2018-11-23 10:52:01,925 INFO L273 TraceCheckUtils]: 39: Hoare triple {78184#false} assume true; {78184#false} is VALID [2018-11-23 10:52:01,925 INFO L268 TraceCheckUtils]: 40: Hoare quadruple {78184#false} {78183#true} #1368#return; {78184#false} is VALID [2018-11-23 10:52:01,925 INFO L273 TraceCheckUtils]: 41: Hoare triple {78184#false} ~status~9 := #t~ret159;havoc #t~ret159; {78184#false} is VALID [2018-11-23 10:52:01,926 INFO L273 TraceCheckUtils]: 42: Hoare triple {78184#false} assume !(0bv32 != ~we_should_unload~0); {78184#false} is VALID [2018-11-23 10:52:01,926 INFO L273 TraceCheckUtils]: 43: Hoare triple {78184#false} assume !(1bv32 == ~pended~0); {78184#false} is VALID [2018-11-23 10:52:01,926 INFO L273 TraceCheckUtils]: 44: Hoare triple {78184#false} assume !(1bv32 == ~pended~0); {78184#false} is VALID [2018-11-23 10:52:01,926 INFO L273 TraceCheckUtils]: 45: Hoare triple {78184#false} assume ~s~0 != ~UNLOADED~0; {78184#false} is VALID [2018-11-23 10:52:01,926 INFO L273 TraceCheckUtils]: 46: Hoare triple {78184#false} assume 4294967295bv32 != ~status~9; {78184#false} is VALID [2018-11-23 10:52:01,927 INFO L273 TraceCheckUtils]: 47: Hoare triple {78184#false} assume ~s~0 != ~SKIP2~0; {78184#false} is VALID [2018-11-23 10:52:01,927 INFO L273 TraceCheckUtils]: 48: Hoare triple {78184#false} assume !(~s~0 != ~IPC~0); {78184#false} is VALID [2018-11-23 10:52:01,927 INFO L273 TraceCheckUtils]: 49: Hoare triple {78184#false} assume 1bv32 != ~pended~0; {78184#false} is VALID [2018-11-23 10:52:01,927 INFO L273 TraceCheckUtils]: 50: Hoare triple {78184#false} assume ~s~0 == ~DC~0; {78184#false} is VALID [2018-11-23 10:52:01,927 INFO L273 TraceCheckUtils]: 51: Hoare triple {78184#false} assume 259bv32 == ~status~9; {78184#false} is VALID [2018-11-23 10:52:01,927 INFO L256 TraceCheckUtils]: 52: Hoare triple {78184#false} call errorFn(); {78184#false} is VALID [2018-11-23 10:52:01,928 INFO L273 TraceCheckUtils]: 53: Hoare triple {78184#false} assume !false; {78184#false} is VALID [2018-11-23 10:52:01,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 10:52:01,930 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 10:52:01,932 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 10:52:01,932 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 10:52:01,933 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 54 [2018-11-23 10:52:01,933 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 10:52:01,933 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2018-11-23 10:52:02,023 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 54 edges. 54 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 10:52:02,023 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 10:52:02,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 10:52:02,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 10:52:02,024 INFO L87 Difference]: Start difference. First operand 847 states and 1154 transitions. Second operand 4 states.