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_Default.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 12:37:17,544 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 12:37:17,546 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 12:37:17,561 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 12:37:17,561 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 12:37:17,562 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 12:37:17,563 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 12:37:17,566 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 12:37:17,569 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 12:37:17,570 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 12:37:17,572 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 12:37:17,573 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 12:37:17,574 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 12:37:17,575 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 12:37:17,583 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 12:37:17,584 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 12:37:17,585 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 12:37:17,587 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 12:37:17,591 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 12:37:17,596 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 12:37:17,597 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 12:37:17,599 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 12:37:17,601 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 12:37:17,602 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 12:37:17,602 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 12:37:17,603 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 12:37:17,604 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 12:37:17,607 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 12:37:17,608 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 12:37:17,609 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 12:37:17,609 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 12:37:17,610 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 12:37:17,610 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 12:37:17,610 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 12:37:17,612 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 12:37:17,613 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 12:37:17,613 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 12:37:17,643 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 12:37:17,643 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 12:37:17,645 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 12:37:17,645 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 12:37:17,646 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 12:37:17,647 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 12:37:17,647 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 12:37:17,647 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 12:37:17,647 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 12:37:17,648 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 12:37:17,650 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 12:37:17,650 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 12:37:17,650 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 12:37:17,650 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 12:37:17,650 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 12:37:17,651 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 12:37:17,651 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 12:37:17,651 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 12:37:17,651 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 12:37:17,651 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 12:37:17,652 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 12:37:17,652 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 12:37:17,652 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 12:37:17,652 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 12:37:17,652 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 12:37:17,653 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 12:37:17,653 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 12:37:17,653 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 12:37:17,653 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 12:37:17,653 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 12:37:17,654 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 12:37:17,726 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 12:37:17,742 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 12:37:17,746 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 12:37:17,748 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 12:37:17,748 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 12:37:17,749 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/cdaudio_simpl1_true-unreach-call_true-valid-memsafety_true-termination.cil.c [2018-11-23 12:37:17,819 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15494dcd2/7912e8501f59407d804836fb713c3f1f/FLAG59ab10f45 [2018-11-23 12:37:18,376 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 12:37:18,377 INFO L161 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/cdaudio_simpl1_true-unreach-call_true-valid-memsafety_true-termination.cil.c [2018-11-23 12:37:18,409 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15494dcd2/7912e8501f59407d804836fb713c3f1f/FLAG59ab10f45 [2018-11-23 12:37:18,633 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15494dcd2/7912e8501f59407d804836fb713c3f1f [2018-11-23 12:37:18,642 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 12:37:18,643 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 12:37:18,644 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 12:37:18,644 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 12:37:18,648 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 12:37:18,650 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:37:18" (1/1) ... [2018-11-23 12:37:18,653 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26b1816d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:18, skipping insertion in model container [2018-11-23 12:37:18,653 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:37:18" (1/1) ... [2018-11-23 12:37:18,664 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 12:37:18,752 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 12:37:19,330 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:37:19,339 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 12:37:19,529 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:37:19,567 INFO L195 MainTranslator]: Completed translation [2018-11-23 12:37:19,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:19 WrapperNode [2018-11-23 12:37:19,568 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 12:37:19,569 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 12:37:19,569 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 12:37:19,569 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 12:37:19,666 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:19" (1/1) ... [2018-11-23 12:37:19,694 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:19" (1/1) ... [2018-11-23 12:37:19,705 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 12:37:19,705 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 12:37:19,706 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 12:37:19,706 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 12:37:19,717 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:19" (1/1) ... [2018-11-23 12:37:19,718 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:19" (1/1) ... [2018-11-23 12:37:19,725 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:19" (1/1) ... [2018-11-23 12:37:19,726 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:19" (1/1) ... [2018-11-23 12:37:19,779 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:19" (1/1) ... [2018-11-23 12:37:19,808 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:19" (1/1) ... [2018-11-23 12:37:19,815 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:19" (1/1) ... [2018-11-23 12:37:19,829 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 12:37:19,829 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 12:37:19,830 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 12:37:19,830 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 12:37:19,831 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:19" (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 12:37:19,930 INFO L130 BoogieDeclarations]: Found specification of procedure SendSrbSynchronous [2018-11-23 12:37:19,930 INFO L138 BoogieDeclarations]: Found implementation of procedure SendSrbSynchronous [2018-11-23 12:37:19,930 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2018-11-23 12:37:19,930 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2018-11-23 12:37:19,931 INFO L130 BoogieDeclarations]: Found specification of procedure AG_SetStatusAndReturn [2018-11-23 12:37:19,931 INFO L138 BoogieDeclarations]: Found implementation of procedure AG_SetStatusAndReturn [2018-11-23 12:37:19,931 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioStartDevice [2018-11-23 12:37:19,931 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioStartDevice [2018-11-23 12:37:19,931 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 12:37:19,932 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 12:37:19,932 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2018-11-23 12:37:19,932 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2018-11-23 12:37:19,932 INFO L130 BoogieDeclarations]: Found specification of procedure PoCallDriver [2018-11-23 12:37:19,932 INFO L138 BoogieDeclarations]: Found implementation of procedure PoCallDriver [2018-11-23 12:37:19,933 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioIsPlayActive [2018-11-23 12:37:19,934 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioIsPlayActive [2018-11-23 12:37:19,935 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2018-11-23 12:37:19,935 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2018-11-23 12:37:19,935 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioHPCdrDeviceControl [2018-11-23 12:37:19,935 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioHPCdrDeviceControl [2018-11-23 12:37:19,935 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2018-11-23 12:37:19,935 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2018-11-23 12:37:19,936 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioPower [2018-11-23 12:37:19,936 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioPower [2018-11-23 12:37:19,937 INFO L130 BoogieDeclarations]: Found specification of procedure HPCdrCompletion [2018-11-23 12:37:19,937 INFO L138 BoogieDeclarations]: Found implementation of procedure HPCdrCompletion [2018-11-23 12:37:19,937 INFO L130 BoogieDeclarations]: Found specification of procedure HpCdrProcessLastSession [2018-11-23 12:37:19,937 INFO L138 BoogieDeclarations]: Found implementation of procedure HpCdrProcessLastSession [2018-11-23 12:37:19,937 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2018-11-23 12:37:19,938 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2018-11-23 12:37:19,938 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2018-11-23 12:37:19,938 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2018-11-23 12:37:19,938 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioPnp [2018-11-23 12:37:19,938 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioPnp [2018-11-23 12:37:19,940 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioSignalCompletion [2018-11-23 12:37:19,941 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioSignalCompletion [2018-11-23 12:37:19,941 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2018-11-23 12:37:19,941 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2018-11-23 12:37:19,941 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudio535DeviceControl [2018-11-23 12:37:19,942 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudio535DeviceControl [2018-11-23 12:37:19,942 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2018-11-23 12:37:19,942 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2018-11-23 12:37:19,942 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioSendToNextDriver [2018-11-23 12:37:19,942 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioSendToNextDriver [2018-11-23 12:37:19,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 12:37:19,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 12:37:19,943 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioAtapiDeviceControl [2018-11-23 12:37:19,943 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioAtapiDeviceControl [2018-11-23 12:37:19,943 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioDeviceControl [2018-11-23 12:37:19,943 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioDeviceControl [2018-11-23 12:37:19,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 12:37:19,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 12:37:19,944 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudio435DeviceControl [2018-11-23 12:37:19,945 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudio435DeviceControl [2018-11-23 12:37:19,945 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioUnload [2018-11-23 12:37:19,945 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioUnload [2018-11-23 12:37:19,945 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioForwardIrpSynchronous [2018-11-23 12:37:19,945 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioForwardIrpSynchronous [2018-11-23 12:37:19,945 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2018-11-23 12:37:19,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2018-11-23 12:37:21,120 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 12:37:21,120 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 12:37:21,390 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 12:37:21,390 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 12:37:21,971 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 12:37:21,972 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 12:37:22,537 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 12:37:22,537 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 12:37:22,902 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 12:37:22,903 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 12:37:23,648 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 12:37:23,649 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 12:37:23,795 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 12:37:23,795 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 12:37:23,857 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 12:37:23,857 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 12:37:24,498 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 12:37:24,499 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 12:37:24,743 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 12:37:24,743 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 12:37:24,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:37:24 BoogieIcfgContainer [2018-11-23 12:37:24,744 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 12:37:24,745 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 12:37:24,745 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 12:37:24,748 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 12:37:24,748 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 12:37:18" (1/3) ... [2018-11-23 12:37:24,749 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@765b9bb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:37:24, skipping insertion in model container [2018-11-23 12:37:24,749 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:19" (2/3) ... [2018-11-23 12:37:24,750 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@765b9bb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:37:24, skipping insertion in model container [2018-11-23 12:37:24,750 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:37:24" (3/3) ... [2018-11-23 12:37:24,752 INFO L112 eAbstractionObserver]: Analyzing ICFG cdaudio_simpl1_true-unreach-call_true-valid-memsafety_true-termination.cil.c [2018-11-23 12:37:24,760 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 12:37:24,769 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 12:37:24,788 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 12:37:24,829 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 12:37:24,830 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 12:37:24,830 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 12:37:24,830 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 12:37:24,831 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 12:37:24,831 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 12:37:24,831 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 12:37:24,831 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 12:37:24,831 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 12:37:24,868 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states. [2018-11-23 12:37:24,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-23 12:37:24,876 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:37:24,877 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 12:37:24,880 INFO L423 AbstractCegarLoop]: === Iteration 1 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:37:24,886 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:37:24,887 INFO L82 PathProgramCache]: Analyzing trace with hash 1001295975, now seen corresponding path program 1 times [2018-11-23 12:37:24,888 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:37:24,889 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:37:24,934 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:37:24,934 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:37:24,935 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:37:25,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:37:25,308 INFO L256 TraceCheckUtils]: 0: Hoare triple {518#true} call ULTIMATE.init(); {518#true} is VALID [2018-11-23 12:37:25,312 INFO L273 TraceCheckUtils]: 1: Hoare triple {518#true} ~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compFptr~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~routine~0 := 0;~myStatus~0 := 0;~pirp~0 := 0;~Executive~0 := 0;~Suspended~0 := 0;~KernelMode~0 := 0;~DeviceUsageTypePaging~0 := 0; {518#true} is VALID [2018-11-23 12:37:25,312 INFO L273 TraceCheckUtils]: 2: Hoare triple {518#true} assume true; {518#true} is VALID [2018-11-23 12:37:25,313 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {518#true} {518#true} #1496#return; {518#true} is VALID [2018-11-23 12:37:25,313 INFO L256 TraceCheckUtils]: 4: Hoare triple {518#true} call #t~ret176 := main(); {518#true} is VALID [2018-11-23 12:37:25,313 INFO L273 TraceCheckUtils]: 5: Hoare triple {518#true} havoc ~pirp__IoStatus__Status~0;assume -2147483648 <= #t~nondet150 && #t~nondet150 <= 2147483647;~d~0 := #t~nondet150;havoc #t~nondet150;assume -2147483648 <= #t~nondet151 && #t~nondet151 <= 2147483647;~status~9 := #t~nondet151;havoc #t~nondet151;assume -2147483648 <= #t~nondet152 && #t~nondet152 <= 2147483647;~irp~1 := #t~nondet152;havoc #t~nondet152;assume -2147483648 <= #t~nondet153 && #t~nondet153 <= 2147483647;~we_should_unload~0 := #t~nondet153;havoc #t~nondet153;assume -2147483648 <= #t~nondet154 && #t~nondet154 <= 2147483647;~irp_choice~0 := #t~nondet154;havoc #t~nondet154;assume -2147483648 <= #t~nondet155 && #t~nondet155 <= 2147483647;~devobj~0 := #t~nondet155;havoc #t~nondet155;havoc ~__cil_tmp9~1;~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compFptr~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~routine~0 := 0;~myStatus~0 := 0;~pirp~0 := 0;~Executive~0 := 0;~Suspended~0 := 5;~KernelMode~0 := 0;~DeviceUsageTypePaging~0 := 1;~pirp~0 := ~irp~1; {518#true} is VALID [2018-11-23 12:37:25,314 INFO L256 TraceCheckUtils]: 6: Hoare triple {518#true} call _BLAST_init(); {518#true} is VALID [2018-11-23 12:37:25,331 INFO L273 TraceCheckUtils]: 7: Hoare triple {518#true} ~UNLOADED~0 := 0;~NP~0 := 1;~DC~0 := 2;~SKIP1~0 := 3;~SKIP2~0 := 4;~MPR1~0 := 5;~MPR3~0 := 6;~IPC~0 := 7;~s~0 := ~UNLOADED~0;~pended~0 := 0;~compFptr~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0; {520#(= ~UNLOADED~0 ~s~0)} is VALID [2018-11-23 12:37:25,347 INFO L273 TraceCheckUtils]: 8: Hoare triple {520#(= ~UNLOADED~0 ~s~0)} assume true; {520#(= ~UNLOADED~0 ~s~0)} is VALID [2018-11-23 12:37:25,350 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {520#(= ~UNLOADED~0 ~s~0)} {518#true} #1364#return; {520#(= ~UNLOADED~0 ~s~0)} is VALID [2018-11-23 12:37:25,351 INFO L273 TraceCheckUtils]: 10: Hoare triple {520#(= ~UNLOADED~0 ~s~0)} assume !(~status~9 >= 0); {520#(= ~UNLOADED~0 ~s~0)} is VALID [2018-11-23 12:37:25,354 INFO L273 TraceCheckUtils]: 11: Hoare triple {520#(= ~UNLOADED~0 ~s~0)} assume !(1 == ~pended~0); {520#(= ~UNLOADED~0 ~s~0)} is VALID [2018-11-23 12:37:25,355 INFO L273 TraceCheckUtils]: 12: Hoare triple {520#(= ~UNLOADED~0 ~s~0)} assume !(1 == ~pended~0); {520#(= ~UNLOADED~0 ~s~0)} is VALID [2018-11-23 12:37:25,360 INFO L273 TraceCheckUtils]: 13: Hoare triple {520#(= ~UNLOADED~0 ~s~0)} assume ~s~0 != ~UNLOADED~0; {519#false} is VALID [2018-11-23 12:37:25,360 INFO L273 TraceCheckUtils]: 14: Hoare triple {519#false} assume -1 != ~status~9; {519#false} is VALID [2018-11-23 12:37:25,360 INFO L273 TraceCheckUtils]: 15: Hoare triple {519#false} assume ~s~0 != ~SKIP2~0; {519#false} is VALID [2018-11-23 12:37:25,361 INFO L273 TraceCheckUtils]: 16: Hoare triple {519#false} assume ~s~0 != ~IPC~0; {519#false} is VALID [2018-11-23 12:37:25,361 INFO L273 TraceCheckUtils]: 17: Hoare triple {519#false} assume ~s~0 != ~DC~0; {519#false} is VALID [2018-11-23 12:37:25,361 INFO L256 TraceCheckUtils]: 18: Hoare triple {519#false} call errorFn(); {519#false} is VALID [2018-11-23 12:37:25,362 INFO L273 TraceCheckUtils]: 19: Hoare triple {519#false} assume !false; {519#false} is VALID [2018-11-23 12:37:25,366 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 12:37:25,369 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:37:25,369 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 12:37:25,374 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2018-11-23 12:37:25,377 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 12:37:25,381 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2018-11-23 12:37:25,460 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 12:37:25,460 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 12:37:25,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 12:37:25,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 12:37:25,472 INFO L87 Difference]: Start difference. First operand 515 states. Second operand 3 states. [2018-11-23 12:37:28,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:37:28,376 INFO L93 Difference]: Finished difference Result 887 states and 1373 transitions. [2018-11-23 12:37:28,376 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 12:37:28,376 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2018-11-23 12:37:28,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:37:28,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 12:37:28,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1373 transitions. [2018-11-23 12:37:28,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 12:37:28,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1373 transitions. [2018-11-23 12:37:28,490 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 1373 transitions. [2018-11-23 12:37:30,435 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 12:37:30,538 INFO L225 Difference]: With dead ends: 887 [2018-11-23 12:37:30,539 INFO L226 Difference]: Without dead ends: 507 [2018-11-23 12:37:30,548 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 12:37:30,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2018-11-23 12:37:31,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 507. [2018-11-23 12:37:31,157 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 12:37:31,158 INFO L82 GeneralOperation]: Start isEquivalent. First operand 507 states. Second operand 507 states. [2018-11-23 12:37:31,158 INFO L74 IsIncluded]: Start isIncluded. First operand 507 states. Second operand 507 states. [2018-11-23 12:37:31,159 INFO L87 Difference]: Start difference. First operand 507 states. Second operand 507 states. [2018-11-23 12:37:31,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:37:31,196 INFO L93 Difference]: Finished difference Result 507 states and 737 transitions. [2018-11-23 12:37:31,196 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 737 transitions. [2018-11-23 12:37:31,206 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:37:31,206 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:37:31,207 INFO L74 IsIncluded]: Start isIncluded. First operand 507 states. Second operand 507 states. [2018-11-23 12:37:31,207 INFO L87 Difference]: Start difference. First operand 507 states. Second operand 507 states. [2018-11-23 12:37:31,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:37:31,242 INFO L93 Difference]: Finished difference Result 507 states and 737 transitions. [2018-11-23 12:37:31,242 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 737 transitions. [2018-11-23 12:37:31,246 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:37:31,246 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:37:31,247 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 12:37:31,247 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 12:37:31,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 507 states. [2018-11-23 12:37:31,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 507 states and 737 transitions. [2018-11-23 12:37:31,283 INFO L78 Accepts]: Start accepts. Automaton has 507 states and 737 transitions. Word has length 20 [2018-11-23 12:37:31,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:37:31,283 INFO L480 AbstractCegarLoop]: Abstraction has 507 states and 737 transitions. [2018-11-23 12:37:31,283 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 12:37:31,284 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 737 transitions. [2018-11-23 12:37:31,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-23 12:37:31,284 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:37:31,285 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 12:37:31,285 INFO L423 AbstractCegarLoop]: === Iteration 2 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:37:31,285 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:37:31,285 INFO L82 PathProgramCache]: Analyzing trace with hash 1234723898, now seen corresponding path program 1 times [2018-11-23 12:37:31,286 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:37:31,286 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:37:31,287 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:37:31,287 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:37:31,287 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:37:31,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:37:31,543 INFO L256 TraceCheckUtils]: 0: Hoare triple {3368#true} call ULTIMATE.init(); {3368#true} is VALID [2018-11-23 12:37:31,543 INFO L273 TraceCheckUtils]: 1: Hoare triple {3368#true} ~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compFptr~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~routine~0 := 0;~myStatus~0 := 0;~pirp~0 := 0;~Executive~0 := 0;~Suspended~0 := 0;~KernelMode~0 := 0;~DeviceUsageTypePaging~0 := 0; {3368#true} is VALID [2018-11-23 12:37:31,544 INFO L273 TraceCheckUtils]: 2: Hoare triple {3368#true} assume true; {3368#true} is VALID [2018-11-23 12:37:31,544 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {3368#true} {3368#true} #1496#return; {3368#true} is VALID [2018-11-23 12:37:31,544 INFO L256 TraceCheckUtils]: 4: Hoare triple {3368#true} call #t~ret176 := main(); {3368#true} is VALID [2018-11-23 12:37:31,544 INFO L273 TraceCheckUtils]: 5: Hoare triple {3368#true} havoc ~pirp__IoStatus__Status~0;assume -2147483648 <= #t~nondet150 && #t~nondet150 <= 2147483647;~d~0 := #t~nondet150;havoc #t~nondet150;assume -2147483648 <= #t~nondet151 && #t~nondet151 <= 2147483647;~status~9 := #t~nondet151;havoc #t~nondet151;assume -2147483648 <= #t~nondet152 && #t~nondet152 <= 2147483647;~irp~1 := #t~nondet152;havoc #t~nondet152;assume -2147483648 <= #t~nondet153 && #t~nondet153 <= 2147483647;~we_should_unload~0 := #t~nondet153;havoc #t~nondet153;assume -2147483648 <= #t~nondet154 && #t~nondet154 <= 2147483647;~irp_choice~0 := #t~nondet154;havoc #t~nondet154;assume -2147483648 <= #t~nondet155 && #t~nondet155 <= 2147483647;~devobj~0 := #t~nondet155;havoc #t~nondet155;havoc ~__cil_tmp9~1;~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compFptr~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~routine~0 := 0;~myStatus~0 := 0;~pirp~0 := 0;~Executive~0 := 0;~Suspended~0 := 5;~KernelMode~0 := 0;~DeviceUsageTypePaging~0 := 1;~pirp~0 := ~irp~1; {3368#true} is VALID [2018-11-23 12:37:31,545 INFO L256 TraceCheckUtils]: 6: Hoare triple {3368#true} call _BLAST_init(); {3368#true} is VALID [2018-11-23 12:37:31,545 INFO L273 TraceCheckUtils]: 7: Hoare triple {3368#true} ~UNLOADED~0 := 0;~NP~0 := 1;~DC~0 := 2;~SKIP1~0 := 3;~SKIP2~0 := 4;~MPR1~0 := 5;~MPR3~0 := 6;~IPC~0 := 7;~s~0 := ~UNLOADED~0;~pended~0 := 0;~compFptr~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0; {3368#true} is VALID [2018-11-23 12:37:31,545 INFO L273 TraceCheckUtils]: 8: Hoare triple {3368#true} assume true; {3368#true} is VALID [2018-11-23 12:37:31,545 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {3368#true} {3368#true} #1364#return; {3368#true} is VALID [2018-11-23 12:37:31,547 INFO L273 TraceCheckUtils]: 10: Hoare triple {3368#true} assume ~status~9 >= 0;~s~0 := ~NP~0;~customIrp~0 := 0;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0;~pirp__IoStatus__Status~0 := 0;~myStatus~0 := 0; {3370#(= ~s~0 ~NP~0)} is VALID [2018-11-23 12:37:31,548 INFO L273 TraceCheckUtils]: 11: Hoare triple {3370#(= ~s~0 ~NP~0)} assume 0 == ~irp_choice~0;~pirp__IoStatus__Status~0 := -1073741637;~myStatus~0 := -1073741637; {3370#(= ~s~0 ~NP~0)} is VALID [2018-11-23 12:37:31,548 INFO L256 TraceCheckUtils]: 12: Hoare triple {3370#(= ~s~0 ~NP~0)} call stub_driver_init(); {3368#true} is VALID [2018-11-23 12:37:31,549 INFO L273 TraceCheckUtils]: 13: Hoare triple {3368#true} ~s~0 := ~NP~0;~customIrp~0 := 0;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0; {3370#(= ~s~0 ~NP~0)} is VALID [2018-11-23 12:37:31,549 INFO L273 TraceCheckUtils]: 14: Hoare triple {3370#(= ~s~0 ~NP~0)} assume true; {3370#(= ~s~0 ~NP~0)} is VALID [2018-11-23 12:37:31,550 INFO L268 TraceCheckUtils]: 15: Hoare quadruple {3370#(= ~s~0 ~NP~0)} {3370#(= ~s~0 ~NP~0)} #1366#return; {3370#(= ~s~0 ~NP~0)} is VALID [2018-11-23 12:37:31,550 INFO L273 TraceCheckUtils]: 16: Hoare triple {3370#(= ~s~0 ~NP~0)} assume !(~status~9 < 0);havoc ~tmp_ndt_1~0;assume -2147483648 <= #t~nondet156 && #t~nondet156 <= 2147483647;~tmp_ndt_1~0 := #t~nondet156;havoc #t~nondet156; {3370#(= ~s~0 ~NP~0)} is VALID [2018-11-23 12:37:31,551 INFO L273 TraceCheckUtils]: 17: Hoare triple {3370#(= ~s~0 ~NP~0)} assume !(2 == ~tmp_ndt_1~0);havoc ~tmp_ndt_2~0;assume -2147483648 <= #t~nondet157 && #t~nondet157 <= 2147483647;~tmp_ndt_2~0 := #t~nondet157;havoc #t~nondet157; {3370#(= ~s~0 ~NP~0)} is VALID [2018-11-23 12:37:31,551 INFO L273 TraceCheckUtils]: 18: Hoare triple {3370#(= ~s~0 ~NP~0)} assume !(3 == ~tmp_ndt_2~0);havoc ~tmp_ndt_3~0;assume -2147483648 <= #t~nondet158 && #t~nondet158 <= 2147483647;~tmp_ndt_3~0 := #t~nondet158;havoc #t~nondet158; {3370#(= ~s~0 ~NP~0)} is VALID [2018-11-23 12:37:31,552 INFO L273 TraceCheckUtils]: 19: Hoare triple {3370#(= ~s~0 ~NP~0)} assume 4 == ~tmp_ndt_3~0; {3370#(= ~s~0 ~NP~0)} is VALID [2018-11-23 12:37:31,552 INFO L256 TraceCheckUtils]: 20: Hoare triple {3370#(= ~s~0 ~NP~0)} call #t~ret161 := CdAudioPower(~devobj~0, ~pirp~0); {3370#(= ~s~0 ~NP~0)} is VALID [2018-11-23 12:37:31,553 INFO L273 TraceCheckUtils]: 21: Hoare triple {3370#(= ~s~0 ~NP~0)} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;assume -2147483648 <= #t~nondet144 && #t~nondet144 <= 2147483647;~Irp__CurrentLocation~1 := #t~nondet144;havoc #t~nondet144;assume -2147483648 <= #t~nondet145 && #t~nondet145 <= 2147483647;~Irp__Tail__Overlay__CurrentStackLocation~3 := #t~nondet145;havoc #t~nondet145;assume -2147483648 <= #t~nondet146 && #t~nondet146 <= 2147483647;~deviceExtension__TargetDeviceObject~4 := #t~nondet146;havoc #t~nondet146;havoc ~tmp~7; {3370#(= ~s~0 ~NP~0)} is VALID [2018-11-23 12:37:31,554 INFO L273 TraceCheckUtils]: 22: Hoare triple {3370#(= ~s~0 ~NP~0)} assume !(~s~0 == ~NP~0); {3369#false} is VALID [2018-11-23 12:37:31,554 INFO L256 TraceCheckUtils]: 23: Hoare triple {3369#false} call errorFn(); {3369#false} is VALID [2018-11-23 12:37:31,555 INFO L273 TraceCheckUtils]: 24: Hoare triple {3369#false} assume !false; {3369#false} is VALID [2018-11-23 12:37:31,558 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 12:37:31,558 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:37:31,558 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 12:37:31,560 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2018-11-23 12:37:31,560 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 12:37:31,560 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2018-11-23 12:37:31,628 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 12:37:31,628 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 12:37:31,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 12:37:31,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 12:37:31,629 INFO L87 Difference]: Start difference. First operand 507 states and 737 transitions. Second operand 3 states. [2018-11-23 12:37:34,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:37:34,455 INFO L93 Difference]: Finished difference Result 789 states and 1117 transitions. [2018-11-23 12:37:34,456 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 12:37:34,456 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2018-11-23 12:37:34,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:37:34,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 12:37:34,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1117 transitions. [2018-11-23 12:37:34,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 12:37:34,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1117 transitions. [2018-11-23 12:37:34,492 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 1117 transitions. [2018-11-23 12:37:36,526 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 12:37:36,570 INFO L225 Difference]: With dead ends: 789 [2018-11-23 12:37:36,570 INFO L226 Difference]: Without dead ends: 670 [2018-11-23 12:37:36,572 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 2 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 12:37:36,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 670 states. [2018-11-23 12:37:37,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 670 to 652. [2018-11-23 12:37:37,273 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 12:37:37,273 INFO L82 GeneralOperation]: Start isEquivalent. First operand 670 states. Second operand 652 states. [2018-11-23 12:37:37,273 INFO L74 IsIncluded]: Start isIncluded. First operand 670 states. Second operand 652 states. [2018-11-23 12:37:37,273 INFO L87 Difference]: Start difference. First operand 670 states. Second operand 652 states. [2018-11-23 12:37:37,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:37:37,314 INFO L93 Difference]: Finished difference Result 670 states and 953 transitions. [2018-11-23 12:37:37,314 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 953 transitions. [2018-11-23 12:37:37,317 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:37:37,318 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:37:37,318 INFO L74 IsIncluded]: Start isIncluded. First operand 652 states. Second operand 670 states. [2018-11-23 12:37:37,318 INFO L87 Difference]: Start difference. First operand 652 states. Second operand 670 states. [2018-11-23 12:37:37,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:37:37,355 INFO L93 Difference]: Finished difference Result 670 states and 953 transitions. [2018-11-23 12:37:37,355 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 953 transitions. [2018-11-23 12:37:37,358 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:37:37,359 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:37:37,359 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 12:37:37,359 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 12:37:37,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 652 states. [2018-11-23 12:37:37,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 652 states and 931 transitions. [2018-11-23 12:37:37,400 INFO L78 Accepts]: Start accepts. Automaton has 652 states and 931 transitions. Word has length 25 [2018-11-23 12:37:37,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:37:37,400 INFO L480 AbstractCegarLoop]: Abstraction has 652 states and 931 transitions. [2018-11-23 12:37:37,400 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 12:37:37,400 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 931 transitions. [2018-11-23 12:37:37,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-23 12:37:37,401 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:37:37,402 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 12:37:37,402 INFO L423 AbstractCegarLoop]: === Iteration 3 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:37:37,402 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:37:37,402 INFO L82 PathProgramCache]: Analyzing trace with hash -1491411356, now seen corresponding path program 1 times [2018-11-23 12:37:37,402 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:37:37,403 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:37:37,403 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:37:37,404 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:37:37,404 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:37:37,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:37:37,804 INFO L256 TraceCheckUtils]: 0: Hoare triple {6607#true} call ULTIMATE.init(); {6607#true} is VALID [2018-11-23 12:37:37,804 INFO L273 TraceCheckUtils]: 1: Hoare triple {6607#true} ~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compFptr~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~routine~0 := 0;~myStatus~0 := 0;~pirp~0 := 0;~Executive~0 := 0;~Suspended~0 := 0;~KernelMode~0 := 0;~DeviceUsageTypePaging~0 := 0; {6607#true} is VALID [2018-11-23 12:37:37,805 INFO L273 TraceCheckUtils]: 2: Hoare triple {6607#true} assume true; {6607#true} is VALID [2018-11-23 12:37:37,805 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {6607#true} {6607#true} #1496#return; {6607#true} is VALID [2018-11-23 12:37:37,805 INFO L256 TraceCheckUtils]: 4: Hoare triple {6607#true} call #t~ret176 := main(); {6607#true} is VALID [2018-11-23 12:37:37,805 INFO L273 TraceCheckUtils]: 5: Hoare triple {6607#true} havoc ~pirp__IoStatus__Status~0;assume -2147483648 <= #t~nondet150 && #t~nondet150 <= 2147483647;~d~0 := #t~nondet150;havoc #t~nondet150;assume -2147483648 <= #t~nondet151 && #t~nondet151 <= 2147483647;~status~9 := #t~nondet151;havoc #t~nondet151;assume -2147483648 <= #t~nondet152 && #t~nondet152 <= 2147483647;~irp~1 := #t~nondet152;havoc #t~nondet152;assume -2147483648 <= #t~nondet153 && #t~nondet153 <= 2147483647;~we_should_unload~0 := #t~nondet153;havoc #t~nondet153;assume -2147483648 <= #t~nondet154 && #t~nondet154 <= 2147483647;~irp_choice~0 := #t~nondet154;havoc #t~nondet154;assume -2147483648 <= #t~nondet155 && #t~nondet155 <= 2147483647;~devobj~0 := #t~nondet155;havoc #t~nondet155;havoc ~__cil_tmp9~1;~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compFptr~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~routine~0 := 0;~myStatus~0 := 0;~pirp~0 := 0;~Executive~0 := 0;~Suspended~0 := 5;~KernelMode~0 := 0;~DeviceUsageTypePaging~0 := 1;~pirp~0 := ~irp~1; {6607#true} is VALID [2018-11-23 12:37:37,806 INFO L256 TraceCheckUtils]: 6: Hoare triple {6607#true} call _BLAST_init(); {6607#true} is VALID [2018-11-23 12:37:37,806 INFO L273 TraceCheckUtils]: 7: Hoare triple {6607#true} ~UNLOADED~0 := 0;~NP~0 := 1;~DC~0 := 2;~SKIP1~0 := 3;~SKIP2~0 := 4;~MPR1~0 := 5;~MPR3~0 := 6;~IPC~0 := 7;~s~0 := ~UNLOADED~0;~pended~0 := 0;~compFptr~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0; {6607#true} is VALID [2018-11-23 12:37:37,806 INFO L273 TraceCheckUtils]: 8: Hoare triple {6607#true} assume true; {6607#true} is VALID [2018-11-23 12:37:37,807 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {6607#true} {6607#true} #1364#return; {6607#true} is VALID [2018-11-23 12:37:37,807 INFO L273 TraceCheckUtils]: 10: Hoare triple {6607#true} assume ~status~9 >= 0;~s~0 := ~NP~0;~customIrp~0 := 0;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0;~pirp__IoStatus__Status~0 := 0;~myStatus~0 := 0; {6607#true} is VALID [2018-11-23 12:37:37,807 INFO L273 TraceCheckUtils]: 11: Hoare triple {6607#true} assume 0 == ~irp_choice~0;~pirp__IoStatus__Status~0 := -1073741637;~myStatus~0 := -1073741637; {6607#true} is VALID [2018-11-23 12:37:37,807 INFO L256 TraceCheckUtils]: 12: Hoare triple {6607#true} call stub_driver_init(); {6607#true} is VALID [2018-11-23 12:37:37,811 INFO L273 TraceCheckUtils]: 13: Hoare triple {6607#true} ~s~0 := ~NP~0;~customIrp~0 := 0;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0; {6609#(= 0 ~compRegistered~0)} is VALID [2018-11-23 12:37:37,811 INFO L273 TraceCheckUtils]: 14: Hoare triple {6609#(= 0 ~compRegistered~0)} assume true; {6609#(= 0 ~compRegistered~0)} is VALID [2018-11-23 12:37:37,812 INFO L268 TraceCheckUtils]: 15: Hoare quadruple {6609#(= 0 ~compRegistered~0)} {6607#true} #1366#return; {6609#(= 0 ~compRegistered~0)} is VALID [2018-11-23 12:37:37,813 INFO L273 TraceCheckUtils]: 16: Hoare triple {6609#(= 0 ~compRegistered~0)} assume !(~status~9 < 0);havoc ~tmp_ndt_1~0;assume -2147483648 <= #t~nondet156 && #t~nondet156 <= 2147483647;~tmp_ndt_1~0 := #t~nondet156;havoc #t~nondet156; {6609#(= 0 ~compRegistered~0)} is VALID [2018-11-23 12:37:37,816 INFO L273 TraceCheckUtils]: 17: Hoare triple {6609#(= 0 ~compRegistered~0)} assume !(2 == ~tmp_ndt_1~0);havoc ~tmp_ndt_2~0;assume -2147483648 <= #t~nondet157 && #t~nondet157 <= 2147483647;~tmp_ndt_2~0 := #t~nondet157;havoc #t~nondet157; {6609#(= 0 ~compRegistered~0)} is VALID [2018-11-23 12:37:37,818 INFO L273 TraceCheckUtils]: 18: Hoare triple {6609#(= 0 ~compRegistered~0)} assume 3 == ~tmp_ndt_2~0; {6609#(= 0 ~compRegistered~0)} is VALID [2018-11-23 12:37:37,818 INFO L256 TraceCheckUtils]: 19: Hoare triple {6609#(= 0 ~compRegistered~0)} call #t~ret160 := CdAudioPnp(~devobj~0, ~pirp~0); {6609#(= 0 ~compRegistered~0)} is VALID [2018-11-23 12:37:37,827 INFO L273 TraceCheckUtils]: 20: Hoare triple {6609#(= 0 ~compRegistered~0)} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;assume -2147483648 <= #t~nondet14 && #t~nondet14 <= 2147483647;~Irp__Tail__Overlay__CurrentStackLocation~0 := #t~nondet14;havoc #t~nondet14;assume -2147483648 <= #t~nondet15 && #t~nondet15 <= 2147483647;~irpSp__MinorFunction~0 := #t~nondet15;havoc #t~nondet15;havoc ~Irp__IoStatus__Status~0;assume -2147483648 <= #t~nondet16 && #t~nondet16 <= 2147483647;~irpSp__Parameters__UsageNotification__Type~0 := #t~nondet16;havoc #t~nondet16;assume -2147483648 <= #t~nondet17 && #t~nondet17 <= 2147483647;~deviceExtension__PagingPathCountEvent~0 := #t~nondet17;havoc #t~nondet17;assume -2147483648 <= #t~nondet18 && #t~nondet18 <= 2147483647;~irpSp__Parameters__UsageNotification__InPath~0 := #t~nondet18;havoc #t~nondet18;assume -2147483648 <= #t~nondet19 && #t~nondet19 <= 2147483647;~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 := -1073741637; {6609#(= 0 ~compRegistered~0)} is VALID [2018-11-23 12:37:37,836 INFO L273 TraceCheckUtils]: 21: Hoare triple {6609#(= 0 ~compRegistered~0)} assume 0 == ~irpSp__MinorFunction~0; {6609#(= 0 ~compRegistered~0)} is VALID [2018-11-23 12:37:37,836 INFO L256 TraceCheckUtils]: 22: Hoare triple {6609#(= 0 ~compRegistered~0)} call #t~ret20 := CdAudioStartDevice(~DeviceObject, ~Irp); {6609#(= 0 ~compRegistered~0)} is VALID [2018-11-23 12:37:37,837 INFO L273 TraceCheckUtils]: 23: Hoare triple {6609#(= 0 ~compRegistered~0)} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~deviceExtension__Active~0 := #t~nondet5;havoc #t~nondet5;assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647;~deviceExtension~0 := #t~nondet6;havoc #t~nondet6;havoc ~status~1;assume -2147483648 <= #t~nondet7 && #t~nondet7 <= 2147483647;~srb~0 := #t~nondet7;havoc #t~nondet7;assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647;~srb__Cdb~0 := #t~nondet8;havoc #t~nondet8;havoc ~cdb~0;havoc ~inquiryDataPtr~0;havoc ~attempt~0;havoc ~tmp~0;assume -2147483648 <= #t~nondet9 && #t~nondet9 <= 2147483647;~deviceParameterHandle~0 := #t~nondet9;havoc #t~nondet9;havoc ~keyValue~0; {6609#(= 0 ~compRegistered~0)} is VALID [2018-11-23 12:37:37,838 INFO L256 TraceCheckUtils]: 24: Hoare triple {6609#(= 0 ~compRegistered~0)} call #t~ret10 := CdAudioForwardIrpSynchronous(~DeviceObject, ~Irp); {6609#(= 0 ~compRegistered~0)} is VALID [2018-11-23 12:37:37,841 INFO L273 TraceCheckUtils]: 25: Hoare triple {6609#(= 0 ~compRegistered~0)} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;assume -2147483648 <= #t~nondet140 && #t~nondet140 <= 2147483647;~deviceExtension__TargetDeviceObject~3 := #t~nondet140;havoc #t~nondet140;assume -2147483648 <= #t~nondet141 && #t~nondet141 <= 2147483647;~event~2 := #t~nondet141;havoc #t~nondet141;havoc ~status~8;havoc ~irpSp__Control~1; {6609#(= 0 ~compRegistered~0)} is VALID [2018-11-23 12:37:37,841 INFO L273 TraceCheckUtils]: 26: Hoare triple {6609#(= 0 ~compRegistered~0)} assume !(~s~0 != ~NP~0); {6609#(= 0 ~compRegistered~0)} is VALID [2018-11-23 12:37:37,843 INFO L273 TraceCheckUtils]: 27: Hoare triple {6609#(= 0 ~compRegistered~0)} assume 0 != ~compRegistered~0; {6608#false} is VALID [2018-11-23 12:37:37,843 INFO L256 TraceCheckUtils]: 28: Hoare triple {6608#false} call errorFn(); {6608#false} is VALID [2018-11-23 12:37:37,843 INFO L273 TraceCheckUtils]: 29: Hoare triple {6608#false} assume !false; {6608#false} is VALID [2018-11-23 12:37:37,845 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 12:37:37,845 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:37:37,845 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 12:37:37,846 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2018-11-23 12:37:37,846 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 12:37:37,846 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2018-11-23 12:37:37,877 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 12:37:37,877 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 12:37:37,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 12:37:37,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 12:37:37,878 INFO L87 Difference]: Start difference. First operand 652 states and 931 transitions. Second operand 3 states. [2018-11-23 12:37:40,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:37:40,284 INFO L93 Difference]: Finished difference Result 995 states and 1378 transitions. [2018-11-23 12:37:40,284 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 12:37:40,284 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2018-11-23 12:37:40,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:37:40,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 12:37:40,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1044 transitions. [2018-11-23 12:37:40,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 12:37:40,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1044 transitions. [2018-11-23 12:37:40,317 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 1044 transitions. [2018-11-23 12:37:41,901 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 12:37:41,963 INFO L225 Difference]: With dead ends: 995 [2018-11-23 12:37:41,964 INFO L226 Difference]: Without dead ends: 819 [2018-11-23 12:37:41,965 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 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 12:37:41,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 819 states. [2018-11-23 12:37:42,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 819 to 767. [2018-11-23 12:37:42,697 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 12:37:42,697 INFO L82 GeneralOperation]: Start isEquivalent. First operand 819 states. Second operand 767 states. [2018-11-23 12:37:42,697 INFO L74 IsIncluded]: Start isIncluded. First operand 819 states. Second operand 767 states. [2018-11-23 12:37:42,698 INFO L87 Difference]: Start difference. First operand 819 states. Second operand 767 states. [2018-11-23 12:37:42,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:37:42,748 INFO L93 Difference]: Finished difference Result 819 states and 1150 transitions. [2018-11-23 12:37:42,748 INFO L276 IsEmpty]: Start isEmpty. Operand 819 states and 1150 transitions. [2018-11-23 12:37:42,752 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:37:42,753 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:37:42,753 INFO L74 IsIncluded]: Start isIncluded. First operand 767 states. Second operand 819 states. [2018-11-23 12:37:42,753 INFO L87 Difference]: Start difference. First operand 767 states. Second operand 819 states. [2018-11-23 12:37:42,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:37:42,806 INFO L93 Difference]: Finished difference Result 819 states and 1150 transitions. [2018-11-23 12:37:42,806 INFO L276 IsEmpty]: Start isEmpty. Operand 819 states and 1150 transitions. [2018-11-23 12:37:42,810 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:37:42,810 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:37:42,810 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 12:37:42,811 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 12:37:42,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 767 states. [2018-11-23 12:37:42,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 767 states and 1091 transitions. [2018-11-23 12:37:42,867 INFO L78 Accepts]: Start accepts. Automaton has 767 states and 1091 transitions. Word has length 30 [2018-11-23 12:37:42,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:37:42,867 INFO L480 AbstractCegarLoop]: Abstraction has 767 states and 1091 transitions. [2018-11-23 12:37:42,868 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 12:37:42,868 INFO L276 IsEmpty]: Start isEmpty. Operand 767 states and 1091 transitions. [2018-11-23 12:37:42,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-23 12:37:42,869 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:37:42,869 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 12:37:42,869 INFO L423 AbstractCegarLoop]: === Iteration 4 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:37:42,870 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:37:42,870 INFO L82 PathProgramCache]: Analyzing trace with hash -1315443348, now seen corresponding path program 1 times [2018-11-23 12:37:42,870 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:37:42,870 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:37:42,871 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:37:42,871 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:37:42,871 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:37:42,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:37:43,141 INFO L256 TraceCheckUtils]: 0: Hoare triple {10538#true} call ULTIMATE.init(); {10538#true} is VALID [2018-11-23 12:37:43,141 INFO L273 TraceCheckUtils]: 1: Hoare triple {10538#true} ~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compFptr~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~routine~0 := 0;~myStatus~0 := 0;~pirp~0 := 0;~Executive~0 := 0;~Suspended~0 := 0;~KernelMode~0 := 0;~DeviceUsageTypePaging~0 := 0; {10538#true} is VALID [2018-11-23 12:37:43,141 INFO L273 TraceCheckUtils]: 2: Hoare triple {10538#true} assume true; {10538#true} is VALID [2018-11-23 12:37:43,142 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {10538#true} {10538#true} #1496#return; {10538#true} is VALID [2018-11-23 12:37:43,142 INFO L256 TraceCheckUtils]: 4: Hoare triple {10538#true} call #t~ret176 := main(); {10538#true} is VALID [2018-11-23 12:37:43,142 INFO L273 TraceCheckUtils]: 5: Hoare triple {10538#true} havoc ~pirp__IoStatus__Status~0;assume -2147483648 <= #t~nondet150 && #t~nondet150 <= 2147483647;~d~0 := #t~nondet150;havoc #t~nondet150;assume -2147483648 <= #t~nondet151 && #t~nondet151 <= 2147483647;~status~9 := #t~nondet151;havoc #t~nondet151;assume -2147483648 <= #t~nondet152 && #t~nondet152 <= 2147483647;~irp~1 := #t~nondet152;havoc #t~nondet152;assume -2147483648 <= #t~nondet153 && #t~nondet153 <= 2147483647;~we_should_unload~0 := #t~nondet153;havoc #t~nondet153;assume -2147483648 <= #t~nondet154 && #t~nondet154 <= 2147483647;~irp_choice~0 := #t~nondet154;havoc #t~nondet154;assume -2147483648 <= #t~nondet155 && #t~nondet155 <= 2147483647;~devobj~0 := #t~nondet155;havoc #t~nondet155;havoc ~__cil_tmp9~1;~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compFptr~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~routine~0 := 0;~myStatus~0 := 0;~pirp~0 := 0;~Executive~0 := 0;~Suspended~0 := 5;~KernelMode~0 := 0;~DeviceUsageTypePaging~0 := 1;~pirp~0 := ~irp~1; {10538#true} is VALID [2018-11-23 12:37:43,143 INFO L256 TraceCheckUtils]: 6: Hoare triple {10538#true} call _BLAST_init(); {10538#true} is VALID [2018-11-23 12:37:43,143 INFO L273 TraceCheckUtils]: 7: Hoare triple {10538#true} ~UNLOADED~0 := 0;~NP~0 := 1;~DC~0 := 2;~SKIP1~0 := 3;~SKIP2~0 := 4;~MPR1~0 := 5;~MPR3~0 := 6;~IPC~0 := 7;~s~0 := ~UNLOADED~0;~pended~0 := 0;~compFptr~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0; {10538#true} is VALID [2018-11-23 12:37:43,143 INFO L273 TraceCheckUtils]: 8: Hoare triple {10538#true} assume true; {10538#true} is VALID [2018-11-23 12:37:43,144 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {10538#true} {10538#true} #1364#return; {10538#true} is VALID [2018-11-23 12:37:43,144 INFO L273 TraceCheckUtils]: 10: Hoare triple {10538#true} assume ~status~9 >= 0;~s~0 := ~NP~0;~customIrp~0 := 0;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0;~pirp__IoStatus__Status~0 := 0;~myStatus~0 := 0; {10538#true} is VALID [2018-11-23 12:37:43,144 INFO L273 TraceCheckUtils]: 11: Hoare triple {10538#true} assume 0 == ~irp_choice~0;~pirp__IoStatus__Status~0 := -1073741637;~myStatus~0 := -1073741637; {10538#true} is VALID [2018-11-23 12:37:43,144 INFO L256 TraceCheckUtils]: 12: Hoare triple {10538#true} call stub_driver_init(); {10538#true} is VALID [2018-11-23 12:37:43,145 INFO L273 TraceCheckUtils]: 13: Hoare triple {10538#true} ~s~0 := ~NP~0;~customIrp~0 := 0;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0; {10538#true} is VALID [2018-11-23 12:37:43,145 INFO L273 TraceCheckUtils]: 14: Hoare triple {10538#true} assume true; {10538#true} is VALID [2018-11-23 12:37:43,145 INFO L268 TraceCheckUtils]: 15: Hoare quadruple {10538#true} {10538#true} #1366#return; {10538#true} is VALID [2018-11-23 12:37:43,152 INFO L273 TraceCheckUtils]: 16: Hoare triple {10538#true} assume !(~status~9 < 0);havoc ~tmp_ndt_1~0;assume -2147483648 <= #t~nondet156 && #t~nondet156 <= 2147483647;~tmp_ndt_1~0 := #t~nondet156;havoc #t~nondet156; {10538#true} is VALID [2018-11-23 12:37:43,152 INFO L273 TraceCheckUtils]: 17: Hoare triple {10538#true} assume !(2 == ~tmp_ndt_1~0);havoc ~tmp_ndt_2~0;assume -2147483648 <= #t~nondet157 && #t~nondet157 <= 2147483647;~tmp_ndt_2~0 := #t~nondet157;havoc #t~nondet157; {10538#true} is VALID [2018-11-23 12:37:43,152 INFO L273 TraceCheckUtils]: 18: Hoare triple {10538#true} assume 3 == ~tmp_ndt_2~0; {10538#true} is VALID [2018-11-23 12:37:43,153 INFO L256 TraceCheckUtils]: 19: Hoare triple {10538#true} call #t~ret160 := CdAudioPnp(~devobj~0, ~pirp~0); {10538#true} is VALID [2018-11-23 12:37:43,153 INFO L273 TraceCheckUtils]: 20: Hoare triple {10538#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;assume -2147483648 <= #t~nondet14 && #t~nondet14 <= 2147483647;~Irp__Tail__Overlay__CurrentStackLocation~0 := #t~nondet14;havoc #t~nondet14;assume -2147483648 <= #t~nondet15 && #t~nondet15 <= 2147483647;~irpSp__MinorFunction~0 := #t~nondet15;havoc #t~nondet15;havoc ~Irp__IoStatus__Status~0;assume -2147483648 <= #t~nondet16 && #t~nondet16 <= 2147483647;~irpSp__Parameters__UsageNotification__Type~0 := #t~nondet16;havoc #t~nondet16;assume -2147483648 <= #t~nondet17 && #t~nondet17 <= 2147483647;~deviceExtension__PagingPathCountEvent~0 := #t~nondet17;havoc #t~nondet17;assume -2147483648 <= #t~nondet18 && #t~nondet18 <= 2147483647;~irpSp__Parameters__UsageNotification__InPath~0 := #t~nondet18;havoc #t~nondet18;assume -2147483648 <= #t~nondet19 && #t~nondet19 <= 2147483647;~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 := -1073741637; {10538#true} is VALID [2018-11-23 12:37:43,153 INFO L273 TraceCheckUtils]: 21: Hoare triple {10538#true} assume !(0 == ~irpSp__MinorFunction~0); {10538#true} is VALID [2018-11-23 12:37:43,153 INFO L273 TraceCheckUtils]: 22: Hoare triple {10538#true} assume 22 == ~irpSp__MinorFunction~0; {10538#true} is VALID [2018-11-23 12:37:43,154 INFO L273 TraceCheckUtils]: 23: Hoare triple {10538#true} assume !(~irpSp__Parameters__UsageNotification__Type~0 != ~DeviceUsageTypePaging~0); {10538#true} is VALID [2018-11-23 12:37:43,154 INFO L256 TraceCheckUtils]: 24: Hoare triple {10538#true} call #t~ret22 := KeWaitForSingleObject(~deviceExtension__PagingPathCountEvent~0, ~Executive~0, ~KernelMode~0, 0, 0); {10538#true} is VALID [2018-11-23 12:37:43,154 INFO L273 TraceCheckUtils]: 25: Hoare triple {10538#true} ~Object := #in~Object;~WaitReason := #in~WaitReason;~WaitMode := #in~WaitMode;~Alertable := #in~Alertable;~Timeout := #in~Timeout; {10538#true} is VALID [2018-11-23 12:37:43,168 INFO L273 TraceCheckUtils]: 26: Hoare triple {10538#true} assume !(~s~0 == ~MPR3~0); {10540#(not (= ~MPR3~0 ~s~0))} is VALID [2018-11-23 12:37:43,182 INFO L273 TraceCheckUtils]: 27: Hoare triple {10540#(not (= ~MPR3~0 ~s~0))} assume !(1 == ~customIrp~0); {10540#(not (= ~MPR3~0 ~s~0))} is VALID [2018-11-23 12:37:43,191 INFO L273 TraceCheckUtils]: 28: Hoare triple {10540#(not (= ~MPR3~0 ~s~0))} assume ~s~0 == ~MPR3~0; {10539#false} is VALID [2018-11-23 12:37:43,191 INFO L256 TraceCheckUtils]: 29: Hoare triple {10539#false} call errorFn(); {10539#false} is VALID [2018-11-23 12:37:43,191 INFO L273 TraceCheckUtils]: 30: Hoare triple {10539#false} assume !false; {10539#false} is VALID [2018-11-23 12:37:43,193 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 12:37:43,193 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:37:43,193 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 12:37:43,198 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2018-11-23 12:37:43,198 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 12:37:43,198 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2018-11-23 12:37:43,584 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 12:37:43,584 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 12:37:43,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 12:37:43,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 12:37:43,584 INFO L87 Difference]: Start difference. First operand 767 states and 1091 transitions. Second operand 3 states. [2018-11-23 12:37:49,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:37:49,293 INFO L93 Difference]: Finished difference Result 1424 states and 2092 transitions. [2018-11-23 12:37:49,293 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 12:37:49,293 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2018-11-23 12:37:49,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:37:49,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 12:37:49,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1276 transitions. [2018-11-23 12:37:49,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 12:37:49,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1276 transitions. [2018-11-23 12:37:49,340 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 1276 transitions. [2018-11-23 12:37:50,825 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 12:37:50,930 INFO L225 Difference]: With dead ends: 1424 [2018-11-23 12:37:50,931 INFO L226 Difference]: Without dead ends: 1160 [2018-11-23 12:37:50,932 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 12:37:50,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1160 states. [2018-11-23 12:37:51,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1160 to 899. [2018-11-23 12:37:51,484 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 12:37:51,484 INFO L82 GeneralOperation]: Start isEquivalent. First operand 1160 states. Second operand 899 states. [2018-11-23 12:37:51,485 INFO L74 IsIncluded]: Start isIncluded. First operand 1160 states. Second operand 899 states. [2018-11-23 12:37:51,485 INFO L87 Difference]: Start difference. First operand 1160 states. Second operand 899 states. [2018-11-23 12:37:51,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:37:51,571 INFO L93 Difference]: Finished difference Result 1160 states and 1708 transitions. [2018-11-23 12:37:51,571 INFO L276 IsEmpty]: Start isEmpty. Operand 1160 states and 1708 transitions. [2018-11-23 12:37:51,576 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:37:51,577 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:37:51,577 INFO L74 IsIncluded]: Start isIncluded. First operand 899 states. Second operand 1160 states. [2018-11-23 12:37:51,577 INFO L87 Difference]: Start difference. First operand 899 states. Second operand 1160 states. [2018-11-23 12:37:51,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:37:51,673 INFO L93 Difference]: Finished difference Result 1160 states and 1708 transitions. [2018-11-23 12:37:51,673 INFO L276 IsEmpty]: Start isEmpty. Operand 1160 states and 1708 transitions. [2018-11-23 12:37:51,679 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:37:51,679 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:37:51,679 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 12:37:51,680 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 12:37:51,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 899 states. [2018-11-23 12:37:51,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 899 states and 1323 transitions. [2018-11-23 12:37:51,753 INFO L78 Accepts]: Start accepts. Automaton has 899 states and 1323 transitions. Word has length 31 [2018-11-23 12:37:51,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:37:51,753 INFO L480 AbstractCegarLoop]: Abstraction has 899 states and 1323 transitions. [2018-11-23 12:37:51,753 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 12:37:51,754 INFO L276 IsEmpty]: Start isEmpty. Operand 899 states and 1323 transitions. [2018-11-23 12:37:51,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-23 12:37:51,755 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:37:51,755 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 12:37:51,755 INFO L423 AbstractCegarLoop]: === Iteration 5 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:37:51,756 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:37:51,756 INFO L82 PathProgramCache]: Analyzing trace with hash 1932537431, now seen corresponding path program 1 times [2018-11-23 12:37:51,756 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:37:51,756 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:37:51,757 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:37:51,757 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:37:51,757 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:37:51,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:37:52,136 INFO L256 TraceCheckUtils]: 0: Hoare triple {15889#true} call ULTIMATE.init(); {15889#true} is VALID [2018-11-23 12:37:52,137 INFO L273 TraceCheckUtils]: 1: Hoare triple {15889#true} ~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compFptr~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~routine~0 := 0;~myStatus~0 := 0;~pirp~0 := 0;~Executive~0 := 0;~Suspended~0 := 0;~KernelMode~0 := 0;~DeviceUsageTypePaging~0 := 0; {15889#true} is VALID [2018-11-23 12:37:52,137 INFO L273 TraceCheckUtils]: 2: Hoare triple {15889#true} assume true; {15889#true} is VALID [2018-11-23 12:37:52,138 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {15889#true} {15889#true} #1496#return; {15889#true} is VALID [2018-11-23 12:37:52,138 INFO L256 TraceCheckUtils]: 4: Hoare triple {15889#true} call #t~ret176 := main(); {15889#true} is VALID [2018-11-23 12:37:52,138 INFO L273 TraceCheckUtils]: 5: Hoare triple {15889#true} havoc ~pirp__IoStatus__Status~0;assume -2147483648 <= #t~nondet150 && #t~nondet150 <= 2147483647;~d~0 := #t~nondet150;havoc #t~nondet150;assume -2147483648 <= #t~nondet151 && #t~nondet151 <= 2147483647;~status~9 := #t~nondet151;havoc #t~nondet151;assume -2147483648 <= #t~nondet152 && #t~nondet152 <= 2147483647;~irp~1 := #t~nondet152;havoc #t~nondet152;assume -2147483648 <= #t~nondet153 && #t~nondet153 <= 2147483647;~we_should_unload~0 := #t~nondet153;havoc #t~nondet153;assume -2147483648 <= #t~nondet154 && #t~nondet154 <= 2147483647;~irp_choice~0 := #t~nondet154;havoc #t~nondet154;assume -2147483648 <= #t~nondet155 && #t~nondet155 <= 2147483647;~devobj~0 := #t~nondet155;havoc #t~nondet155;havoc ~__cil_tmp9~1;~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compFptr~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~routine~0 := 0;~myStatus~0 := 0;~pirp~0 := 0;~Executive~0 := 0;~Suspended~0 := 5;~KernelMode~0 := 0;~DeviceUsageTypePaging~0 := 1;~pirp~0 := ~irp~1; {15889#true} is VALID [2018-11-23 12:37:52,139 INFO L256 TraceCheckUtils]: 6: Hoare triple {15889#true} call _BLAST_init(); {15889#true} is VALID [2018-11-23 12:37:52,140 INFO L273 TraceCheckUtils]: 7: Hoare triple {15889#true} ~UNLOADED~0 := 0;~NP~0 := 1;~DC~0 := 2;~SKIP1~0 := 3;~SKIP2~0 := 4;~MPR1~0 := 5;~MPR3~0 := 6;~IPC~0 := 7;~s~0 := ~UNLOADED~0;~pended~0 := 0;~compFptr~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0; {15891#(<= (+ ~NP~0 5) ~MPR3~0)} is VALID [2018-11-23 12:37:52,141 INFO L273 TraceCheckUtils]: 8: Hoare triple {15891#(<= (+ ~NP~0 5) ~MPR3~0)} assume true; {15891#(<= (+ ~NP~0 5) ~MPR3~0)} is VALID [2018-11-23 12:37:52,141 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {15891#(<= (+ ~NP~0 5) ~MPR3~0)} {15889#true} #1364#return; {15891#(<= (+ ~NP~0 5) ~MPR3~0)} is VALID [2018-11-23 12:37:52,142 INFO L273 TraceCheckUtils]: 10: Hoare triple {15891#(<= (+ ~NP~0 5) ~MPR3~0)} assume ~status~9 >= 0;~s~0 := ~NP~0;~customIrp~0 := 0;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0;~pirp__IoStatus__Status~0 := 0;~myStatus~0 := 0; {15891#(<= (+ ~NP~0 5) ~MPR3~0)} is VALID [2018-11-23 12:37:52,142 INFO L273 TraceCheckUtils]: 11: Hoare triple {15891#(<= (+ ~NP~0 5) ~MPR3~0)} assume 0 == ~irp_choice~0;~pirp__IoStatus__Status~0 := -1073741637;~myStatus~0 := -1073741637; {15891#(<= (+ ~NP~0 5) ~MPR3~0)} is VALID [2018-11-23 12:37:52,142 INFO L256 TraceCheckUtils]: 12: Hoare triple {15891#(<= (+ ~NP~0 5) ~MPR3~0)} call stub_driver_init(); {15889#true} is VALID [2018-11-23 12:37:52,143 INFO L273 TraceCheckUtils]: 13: Hoare triple {15889#true} ~s~0 := ~NP~0;~customIrp~0 := 0;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0; {15892#(<= ~s~0 ~NP~0)} is VALID [2018-11-23 12:37:52,143 INFO L273 TraceCheckUtils]: 14: Hoare triple {15892#(<= ~s~0 ~NP~0)} assume true; {15892#(<= ~s~0 ~NP~0)} is VALID [2018-11-23 12:37:52,158 INFO L268 TraceCheckUtils]: 15: Hoare quadruple {15892#(<= ~s~0 ~NP~0)} {15891#(<= (+ ~NP~0 5) ~MPR3~0)} #1366#return; {15893#(not (= ~MPR3~0 ~s~0))} is VALID [2018-11-23 12:37:52,159 INFO L273 TraceCheckUtils]: 16: Hoare triple {15893#(not (= ~MPR3~0 ~s~0))} assume !(~status~9 < 0);havoc ~tmp_ndt_1~0;assume -2147483648 <= #t~nondet156 && #t~nondet156 <= 2147483647;~tmp_ndt_1~0 := #t~nondet156;havoc #t~nondet156; {15893#(not (= ~MPR3~0 ~s~0))} is VALID [2018-11-23 12:37:52,160 INFO L273 TraceCheckUtils]: 17: Hoare triple {15893#(not (= ~MPR3~0 ~s~0))} assume !(2 == ~tmp_ndt_1~0);havoc ~tmp_ndt_2~0;assume -2147483648 <= #t~nondet157 && #t~nondet157 <= 2147483647;~tmp_ndt_2~0 := #t~nondet157;havoc #t~nondet157; {15893#(not (= ~MPR3~0 ~s~0))} is VALID [2018-11-23 12:37:52,162 INFO L273 TraceCheckUtils]: 18: Hoare triple {15893#(not (= ~MPR3~0 ~s~0))} assume 3 == ~tmp_ndt_2~0; {15893#(not (= ~MPR3~0 ~s~0))} is VALID [2018-11-23 12:37:52,162 INFO L256 TraceCheckUtils]: 19: Hoare triple {15893#(not (= ~MPR3~0 ~s~0))} call #t~ret160 := CdAudioPnp(~devobj~0, ~pirp~0); {15893#(not (= ~MPR3~0 ~s~0))} is VALID [2018-11-23 12:37:52,164 INFO L273 TraceCheckUtils]: 20: Hoare triple {15893#(not (= ~MPR3~0 ~s~0))} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;assume -2147483648 <= #t~nondet14 && #t~nondet14 <= 2147483647;~Irp__Tail__Overlay__CurrentStackLocation~0 := #t~nondet14;havoc #t~nondet14;assume -2147483648 <= #t~nondet15 && #t~nondet15 <= 2147483647;~irpSp__MinorFunction~0 := #t~nondet15;havoc #t~nondet15;havoc ~Irp__IoStatus__Status~0;assume -2147483648 <= #t~nondet16 && #t~nondet16 <= 2147483647;~irpSp__Parameters__UsageNotification__Type~0 := #t~nondet16;havoc #t~nondet16;assume -2147483648 <= #t~nondet17 && #t~nondet17 <= 2147483647;~deviceExtension__PagingPathCountEvent~0 := #t~nondet17;havoc #t~nondet17;assume -2147483648 <= #t~nondet18 && #t~nondet18 <= 2147483647;~irpSp__Parameters__UsageNotification__InPath~0 := #t~nondet18;havoc #t~nondet18;assume -2147483648 <= #t~nondet19 && #t~nondet19 <= 2147483647;~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 := -1073741637; {15893#(not (= ~MPR3~0 ~s~0))} is VALID [2018-11-23 12:37:52,164 INFO L273 TraceCheckUtils]: 21: Hoare triple {15893#(not (= ~MPR3~0 ~s~0))} assume !(0 == ~irpSp__MinorFunction~0); {15893#(not (= ~MPR3~0 ~s~0))} is VALID [2018-11-23 12:37:52,168 INFO L273 TraceCheckUtils]: 22: Hoare triple {15893#(not (= ~MPR3~0 ~s~0))} assume 22 == ~irpSp__MinorFunction~0; {15893#(not (= ~MPR3~0 ~s~0))} is VALID [2018-11-23 12:37:52,168 INFO L273 TraceCheckUtils]: 23: Hoare triple {15893#(not (= ~MPR3~0 ~s~0))} assume !(~irpSp__Parameters__UsageNotification__Type~0 != ~DeviceUsageTypePaging~0); {15893#(not (= ~MPR3~0 ~s~0))} is VALID [2018-11-23 12:37:52,169 INFO L256 TraceCheckUtils]: 24: Hoare triple {15893#(not (= ~MPR3~0 ~s~0))} call #t~ret22 := KeWaitForSingleObject(~deviceExtension__PagingPathCountEvent~0, ~Executive~0, ~KernelMode~0, 0, 0); {15893#(not (= ~MPR3~0 ~s~0))} is VALID [2018-11-23 12:37:52,169 INFO L273 TraceCheckUtils]: 25: Hoare triple {15893#(not (= ~MPR3~0 ~s~0))} ~Object := #in~Object;~WaitReason := #in~WaitReason;~WaitMode := #in~WaitMode;~Alertable := #in~Alertable;~Timeout := #in~Timeout; {15893#(not (= ~MPR3~0 ~s~0))} is VALID [2018-11-23 12:37:52,169 INFO L273 TraceCheckUtils]: 26: Hoare triple {15893#(not (= ~MPR3~0 ~s~0))} assume ~s~0 == ~MPR3~0; {15890#false} is VALID [2018-11-23 12:37:52,170 INFO L273 TraceCheckUtils]: 27: Hoare triple {15890#false} assume !(1 == ~setEventCalled~0); {15890#false} is VALID [2018-11-23 12:37:52,170 INFO L273 TraceCheckUtils]: 28: Hoare triple {15890#false} assume !(1 == ~customIrp~0); {15890#false} is VALID [2018-11-23 12:37:52,170 INFO L273 TraceCheckUtils]: 29: Hoare triple {15890#false} assume ~s~0 == ~MPR3~0; {15890#false} is VALID [2018-11-23 12:37:52,170 INFO L256 TraceCheckUtils]: 30: Hoare triple {15890#false} call errorFn(); {15890#false} is VALID [2018-11-23 12:37:52,170 INFO L273 TraceCheckUtils]: 31: Hoare triple {15890#false} assume !false; {15890#false} is VALID [2018-11-23 12:37:52,172 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 12:37:52,173 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:37:52,173 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 12:37:52,173 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2018-11-23 12:37:52,173 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 12:37:52,174 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2018-11-23 12:37:52,218 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 12:37:52,218 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 12:37:52,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 12:37:52,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 12:37:52,219 INFO L87 Difference]: Start difference. First operand 899 states and 1323 transitions. Second operand 5 states. [2018-11-23 12:38:00,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:38:00,494 INFO L93 Difference]: Finished difference Result 1562 states and 2305 transitions. [2018-11-23 12:38:00,495 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 12:38:00,495 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2018-11-23 12:38:00,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:38:00,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-23 12:38:00,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1435 transitions. [2018-11-23 12:38:00,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-23 12:38:00,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1435 transitions. [2018-11-23 12:38:00,545 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 1435 transitions. [2018-11-23 12:38:03,700 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 1435 edges. 1435 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:38:03,774 INFO L225 Difference]: With dead ends: 1562 [2018-11-23 12:38:03,775 INFO L226 Difference]: Without dead ends: 984 [2018-11-23 12:38:03,777 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-23 12:38:03,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 984 states. [2018-11-23 12:38:04,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 984 to 887. [2018-11-23 12:38:04,864 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 12:38:04,864 INFO L82 GeneralOperation]: Start isEquivalent. First operand 984 states. Second operand 887 states. [2018-11-23 12:38:04,864 INFO L74 IsIncluded]: Start isIncluded. First operand 984 states. Second operand 887 states. [2018-11-23 12:38:04,865 INFO L87 Difference]: Start difference. First operand 984 states. Second operand 887 states. [2018-11-23 12:38:04,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:38:04,933 INFO L93 Difference]: Finished difference Result 984 states and 1431 transitions. [2018-11-23 12:38:04,933 INFO L276 IsEmpty]: Start isEmpty. Operand 984 states and 1431 transitions. [2018-11-23 12:38:04,938 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:38:04,939 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:38:04,939 INFO L74 IsIncluded]: Start isIncluded. First operand 887 states. Second operand 984 states. [2018-11-23 12:38:04,939 INFO L87 Difference]: Start difference. First operand 887 states. Second operand 984 states. [2018-11-23 12:38:05,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:38:05,013 INFO L93 Difference]: Finished difference Result 984 states and 1431 transitions. [2018-11-23 12:38:05,013 INFO L276 IsEmpty]: Start isEmpty. Operand 984 states and 1431 transitions. [2018-11-23 12:38:05,018 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:38:05,018 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:38:05,019 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 12:38:05,019 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 12:38:05,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 887 states. [2018-11-23 12:38:05,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 887 states and 1299 transitions. [2018-11-23 12:38:05,092 INFO L78 Accepts]: Start accepts. Automaton has 887 states and 1299 transitions. Word has length 32 [2018-11-23 12:38:05,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:38:05,092 INFO L480 AbstractCegarLoop]: Abstraction has 887 states and 1299 transitions. [2018-11-23 12:38:05,092 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 12:38:05,093 INFO L276 IsEmpty]: Start isEmpty. Operand 887 states and 1299 transitions. [2018-11-23 12:38:05,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-23 12:38:05,095 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:38:05,095 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 12:38:05,096 INFO L423 AbstractCegarLoop]: === Iteration 6 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:38:05,096 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:38:05,096 INFO L82 PathProgramCache]: Analyzing trace with hash -487494679, now seen corresponding path program 1 times [2018-11-23 12:38:05,096 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:38:05,096 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:38:05,097 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:38:05,097 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:38:05,097 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:38:05,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:38:05,408 INFO L256 TraceCheckUtils]: 0: Hoare triple {21031#true} call ULTIMATE.init(); {21031#true} is VALID [2018-11-23 12:38:05,408 INFO L273 TraceCheckUtils]: 1: Hoare triple {21031#true} ~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compFptr~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~routine~0 := 0;~myStatus~0 := 0;~pirp~0 := 0;~Executive~0 := 0;~Suspended~0 := 0;~KernelMode~0 := 0;~DeviceUsageTypePaging~0 := 0; {21031#true} is VALID [2018-11-23 12:38:05,409 INFO L273 TraceCheckUtils]: 2: Hoare triple {21031#true} assume true; {21031#true} is VALID [2018-11-23 12:38:05,409 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {21031#true} {21031#true} #1496#return; {21031#true} is VALID [2018-11-23 12:38:05,409 INFO L256 TraceCheckUtils]: 4: Hoare triple {21031#true} call #t~ret176 := main(); {21031#true} is VALID [2018-11-23 12:38:05,409 INFO L273 TraceCheckUtils]: 5: Hoare triple {21031#true} havoc ~pirp__IoStatus__Status~0;assume -2147483648 <= #t~nondet150 && #t~nondet150 <= 2147483647;~d~0 := #t~nondet150;havoc #t~nondet150;assume -2147483648 <= #t~nondet151 && #t~nondet151 <= 2147483647;~status~9 := #t~nondet151;havoc #t~nondet151;assume -2147483648 <= #t~nondet152 && #t~nondet152 <= 2147483647;~irp~1 := #t~nondet152;havoc #t~nondet152;assume -2147483648 <= #t~nondet153 && #t~nondet153 <= 2147483647;~we_should_unload~0 := #t~nondet153;havoc #t~nondet153;assume -2147483648 <= #t~nondet154 && #t~nondet154 <= 2147483647;~irp_choice~0 := #t~nondet154;havoc #t~nondet154;assume -2147483648 <= #t~nondet155 && #t~nondet155 <= 2147483647;~devobj~0 := #t~nondet155;havoc #t~nondet155;havoc ~__cil_tmp9~1;~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compFptr~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~routine~0 := 0;~myStatus~0 := 0;~pirp~0 := 0;~Executive~0 := 0;~Suspended~0 := 5;~KernelMode~0 := 0;~DeviceUsageTypePaging~0 := 1;~pirp~0 := ~irp~1; {21031#true} is VALID [2018-11-23 12:38:05,409 INFO L256 TraceCheckUtils]: 6: Hoare triple {21031#true} call _BLAST_init(); {21031#true} is VALID [2018-11-23 12:38:05,410 INFO L273 TraceCheckUtils]: 7: Hoare triple {21031#true} ~UNLOADED~0 := 0;~NP~0 := 1;~DC~0 := 2;~SKIP1~0 := 3;~SKIP2~0 := 4;~MPR1~0 := 5;~MPR3~0 := 6;~IPC~0 := 7;~s~0 := ~UNLOADED~0;~pended~0 := 0;~compFptr~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0; {21031#true} is VALID [2018-11-23 12:38:05,410 INFO L273 TraceCheckUtils]: 8: Hoare triple {21031#true} assume true; {21031#true} is VALID [2018-11-23 12:38:05,410 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {21031#true} {21031#true} #1364#return; {21031#true} is VALID [2018-11-23 12:38:05,410 INFO L273 TraceCheckUtils]: 10: Hoare triple {21031#true} assume ~status~9 >= 0;~s~0 := ~NP~0;~customIrp~0 := 0;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0;~pirp__IoStatus__Status~0 := 0;~myStatus~0 := 0; {21031#true} is VALID [2018-11-23 12:38:05,410 INFO L273 TraceCheckUtils]: 11: Hoare triple {21031#true} assume 0 == ~irp_choice~0;~pirp__IoStatus__Status~0 := -1073741637;~myStatus~0 := -1073741637; {21031#true} is VALID [2018-11-23 12:38:05,410 INFO L256 TraceCheckUtils]: 12: Hoare triple {21031#true} call stub_driver_init(); {21031#true} is VALID [2018-11-23 12:38:05,411 INFO L273 TraceCheckUtils]: 13: Hoare triple {21031#true} ~s~0 := ~NP~0;~customIrp~0 := 0;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0; {21031#true} is VALID [2018-11-23 12:38:05,411 INFO L273 TraceCheckUtils]: 14: Hoare triple {21031#true} assume true; {21031#true} is VALID [2018-11-23 12:38:05,411 INFO L268 TraceCheckUtils]: 15: Hoare quadruple {21031#true} {21031#true} #1366#return; {21031#true} is VALID [2018-11-23 12:38:05,411 INFO L273 TraceCheckUtils]: 16: Hoare triple {21031#true} assume !(~status~9 < 0);havoc ~tmp_ndt_1~0;assume -2147483648 <= #t~nondet156 && #t~nondet156 <= 2147483647;~tmp_ndt_1~0 := #t~nondet156;havoc #t~nondet156; {21031#true} is VALID [2018-11-23 12:38:05,412 INFO L273 TraceCheckUtils]: 17: Hoare triple {21031#true} assume !(2 == ~tmp_ndt_1~0);havoc ~tmp_ndt_2~0;assume -2147483648 <= #t~nondet157 && #t~nondet157 <= 2147483647;~tmp_ndt_2~0 := #t~nondet157;havoc #t~nondet157; {21031#true} is VALID [2018-11-23 12:38:05,412 INFO L273 TraceCheckUtils]: 18: Hoare triple {21031#true} assume 3 == ~tmp_ndt_2~0; {21031#true} is VALID [2018-11-23 12:38:05,412 INFO L256 TraceCheckUtils]: 19: Hoare triple {21031#true} call #t~ret160 := CdAudioPnp(~devobj~0, ~pirp~0); {21031#true} is VALID [2018-11-23 12:38:05,412 INFO L273 TraceCheckUtils]: 20: Hoare triple {21031#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;assume -2147483648 <= #t~nondet14 && #t~nondet14 <= 2147483647;~Irp__Tail__Overlay__CurrentStackLocation~0 := #t~nondet14;havoc #t~nondet14;assume -2147483648 <= #t~nondet15 && #t~nondet15 <= 2147483647;~irpSp__MinorFunction~0 := #t~nondet15;havoc #t~nondet15;havoc ~Irp__IoStatus__Status~0;assume -2147483648 <= #t~nondet16 && #t~nondet16 <= 2147483647;~irpSp__Parameters__UsageNotification__Type~0 := #t~nondet16;havoc #t~nondet16;assume -2147483648 <= #t~nondet17 && #t~nondet17 <= 2147483647;~deviceExtension__PagingPathCountEvent~0 := #t~nondet17;havoc #t~nondet17;assume -2147483648 <= #t~nondet18 && #t~nondet18 <= 2147483647;~irpSp__Parameters__UsageNotification__InPath~0 := #t~nondet18;havoc #t~nondet18;assume -2147483648 <= #t~nondet19 && #t~nondet19 <= 2147483647;~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 := -1073741637; {21031#true} is VALID [2018-11-23 12:38:05,412 INFO L273 TraceCheckUtils]: 21: Hoare triple {21031#true} assume !(0 == ~irpSp__MinorFunction~0); {21031#true} is VALID [2018-11-23 12:38:05,413 INFO L273 TraceCheckUtils]: 22: Hoare triple {21031#true} assume !(22 == ~irpSp__MinorFunction~0); {21031#true} is VALID [2018-11-23 12:38:05,413 INFO L256 TraceCheckUtils]: 23: Hoare triple {21031#true} call #t~ret25 := CdAudioSendToNextDriver(~DeviceObject, ~Irp); {21031#true} is VALID [2018-11-23 12:38:05,413 INFO L273 TraceCheckUtils]: 24: Hoare triple {21031#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;assume -2147483648 <= #t~nondet32 && #t~nondet32 <= 2147483647;~Irp__CurrentLocation~0 := #t~nondet32;havoc #t~nondet32;assume -2147483648 <= #t~nondet33 && #t~nondet33 <= 2147483647;~Irp__Tail__Overlay__CurrentStackLocation~1 := #t~nondet33;havoc #t~nondet33;assume -2147483648 <= #t~nondet34 && #t~nondet34 <= 2147483647;~deviceExtension__TargetDeviceObject~0 := #t~nondet34;havoc #t~nondet34;havoc ~tmp~2; {21031#true} is VALID [2018-11-23 12:38:05,414 INFO L273 TraceCheckUtils]: 25: Hoare triple {21031#true} assume ~s~0 == ~NP~0;~s~0 := ~SKIP1~0; {21033#(= ~s~0 ~SKIP1~0)} is VALID [2018-11-23 12:38:05,414 INFO L273 TraceCheckUtils]: 26: Hoare triple {21033#(= ~s~0 ~SKIP1~0)} #t~post35 := ~Irp__CurrentLocation~0;~Irp__CurrentLocation~0 := 1 + #t~post35;havoc #t~post35;#t~post36 := ~Irp__Tail__Overlay__CurrentStackLocation~1;~Irp__Tail__Overlay__CurrentStackLocation~1 := 1 + #t~post36;havoc #t~post36; {21033#(= ~s~0 ~SKIP1~0)} is VALID [2018-11-23 12:38:05,416 INFO L256 TraceCheckUtils]: 27: Hoare triple {21033#(= ~s~0 ~SKIP1~0)} call #t~ret37 := IofCallDriver(~deviceExtension__TargetDeviceObject~0, ~Irp); {21033#(= ~s~0 ~SKIP1~0)} is VALID [2018-11-23 12:38:05,417 INFO L273 TraceCheckUtils]: 28: Hoare triple {21033#(= ~s~0 ~SKIP1~0)} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;assume -2147483648 <= #t~nondet162 && #t~nondet162 <= 2147483647;~Irp__PendingReturned~1 := #t~nondet162;havoc #t~nondet162;havoc ~returnVal2~0;havoc ~compRetStatus~0;assume -2147483648 <= #t~nondet163 && #t~nondet163 <= 2147483647;~lcontext~0 := #t~nondet163;havoc #t~nondet163;havoc ~__cil_tmp8~1; {21033#(= ~s~0 ~SKIP1~0)} is VALID [2018-11-23 12:38:05,418 INFO L273 TraceCheckUtils]: 29: Hoare triple {21033#(= ~s~0 ~SKIP1~0)} assume !(0 != ~compRegistered~0); {21033#(= ~s~0 ~SKIP1~0)} is VALID [2018-11-23 12:38:05,418 INFO L273 TraceCheckUtils]: 30: Hoare triple {21033#(= ~s~0 ~SKIP1~0)} assume 0 != ~Irp__PendingReturned~1;~returnVal2~0 := 259; {21033#(= ~s~0 ~SKIP1~0)} is VALID [2018-11-23 12:38:05,419 INFO L273 TraceCheckUtils]: 31: Hoare triple {21033#(= ~s~0 ~SKIP1~0)} assume !(~s~0 == ~NP~0); {21033#(= ~s~0 ~SKIP1~0)} is VALID [2018-11-23 12:38:05,419 INFO L273 TraceCheckUtils]: 32: Hoare triple {21033#(= ~s~0 ~SKIP1~0)} assume !(~s~0 == ~MPR1~0); {21033#(= ~s~0 ~SKIP1~0)} is VALID [2018-11-23 12:38:05,419 INFO L273 TraceCheckUtils]: 33: Hoare triple {21033#(= ~s~0 ~SKIP1~0)} assume !(~s~0 == ~SKIP1~0); {21032#false} is VALID [2018-11-23 12:38:05,420 INFO L256 TraceCheckUtils]: 34: Hoare triple {21032#false} call errorFn(); {21032#false} is VALID [2018-11-23 12:38:05,420 INFO L273 TraceCheckUtils]: 35: Hoare triple {21032#false} assume !false; {21032#false} is VALID [2018-11-23 12:38:05,421 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 12:38:05,421 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:38:05,422 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 12:38:05,422 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2018-11-23 12:38:05,422 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 12:38:05,422 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2018-11-23 12:38:05,511 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 12:38:05,511 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 12:38:05,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 12:38:05,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 12:38:05,512 INFO L87 Difference]: Start difference. First operand 887 states and 1299 transitions. Second operand 3 states. [2018-11-23 12:38:08,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:38:08,247 INFO L93 Difference]: Finished difference Result 890 states and 1301 transitions. [2018-11-23 12:38:08,247 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 12:38:08,247 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2018-11-23 12:38:08,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:38:08,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 12:38:08,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 728 transitions. [2018-11-23 12:38:08,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 12:38:08,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 728 transitions. [2018-11-23 12:38:08,264 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 728 transitions. [2018-11-23 12:38:08,908 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 12:38:08,961 INFO L225 Difference]: With dead ends: 890 [2018-11-23 12:38:08,961 INFO L226 Difference]: Without dead ends: 886 [2018-11-23 12:38:08,962 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 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 12:38:08,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 886 states. [2018-11-23 12:38:10,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 886 to 886. [2018-11-23 12:38:10,366 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 12:38:10,366 INFO L82 GeneralOperation]: Start isEquivalent. First operand 886 states. Second operand 886 states. [2018-11-23 12:38:10,366 INFO L74 IsIncluded]: Start isIncluded. First operand 886 states. Second operand 886 states. [2018-11-23 12:38:10,366 INFO L87 Difference]: Start difference. First operand 886 states. Second operand 886 states. [2018-11-23 12:38:10,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:38:10,415 INFO L93 Difference]: Finished difference Result 886 states and 1296 transitions. [2018-11-23 12:38:10,415 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1296 transitions. [2018-11-23 12:38:10,419 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:38:10,419 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:38:10,420 INFO L74 IsIncluded]: Start isIncluded. First operand 886 states. Second operand 886 states. [2018-11-23 12:38:10,420 INFO L87 Difference]: Start difference. First operand 886 states. Second operand 886 states. [2018-11-23 12:38:10,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:38:10,472 INFO L93 Difference]: Finished difference Result 886 states and 1296 transitions. [2018-11-23 12:38:10,473 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1296 transitions. [2018-11-23 12:38:10,476 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:38:10,477 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:38:10,477 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 12:38:10,477 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 12:38:10,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 886 states. [2018-11-23 12:38:10,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 886 states and 1296 transitions. [2018-11-23 12:38:10,537 INFO L78 Accepts]: Start accepts. Automaton has 886 states and 1296 transitions. Word has length 36 [2018-11-23 12:38:10,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:38:10,538 INFO L480 AbstractCegarLoop]: Abstraction has 886 states and 1296 transitions. [2018-11-23 12:38:10,538 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 12:38:10,538 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1296 transitions. [2018-11-23 12:38:10,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-23 12:38:10,541 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:38:10,542 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 12:38:10,542 INFO L423 AbstractCegarLoop]: === Iteration 7 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:38:10,542 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:38:10,542 INFO L82 PathProgramCache]: Analyzing trace with hash -1261036943, now seen corresponding path program 1 times [2018-11-23 12:38:10,542 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:38:10,542 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:38:10,543 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:38:10,543 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:38:10,543 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:38:10,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:38:10,830 INFO L256 TraceCheckUtils]: 0: Hoare triple {25105#true} call ULTIMATE.init(); {25105#true} is VALID [2018-11-23 12:38:10,830 INFO L273 TraceCheckUtils]: 1: Hoare triple {25105#true} ~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compFptr~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~routine~0 := 0;~myStatus~0 := 0;~pirp~0 := 0;~Executive~0 := 0;~Suspended~0 := 0;~KernelMode~0 := 0;~DeviceUsageTypePaging~0 := 0; {25105#true} is VALID [2018-11-23 12:38:10,831 INFO L273 TraceCheckUtils]: 2: Hoare triple {25105#true} assume true; {25105#true} is VALID [2018-11-23 12:38:10,831 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {25105#true} {25105#true} #1496#return; {25105#true} is VALID [2018-11-23 12:38:10,831 INFO L256 TraceCheckUtils]: 4: Hoare triple {25105#true} call #t~ret176 := main(); {25105#true} is VALID [2018-11-23 12:38:10,831 INFO L273 TraceCheckUtils]: 5: Hoare triple {25105#true} havoc ~pirp__IoStatus__Status~0;assume -2147483648 <= #t~nondet150 && #t~nondet150 <= 2147483647;~d~0 := #t~nondet150;havoc #t~nondet150;assume -2147483648 <= #t~nondet151 && #t~nondet151 <= 2147483647;~status~9 := #t~nondet151;havoc #t~nondet151;assume -2147483648 <= #t~nondet152 && #t~nondet152 <= 2147483647;~irp~1 := #t~nondet152;havoc #t~nondet152;assume -2147483648 <= #t~nondet153 && #t~nondet153 <= 2147483647;~we_should_unload~0 := #t~nondet153;havoc #t~nondet153;assume -2147483648 <= #t~nondet154 && #t~nondet154 <= 2147483647;~irp_choice~0 := #t~nondet154;havoc #t~nondet154;assume -2147483648 <= #t~nondet155 && #t~nondet155 <= 2147483647;~devobj~0 := #t~nondet155;havoc #t~nondet155;havoc ~__cil_tmp9~1;~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compFptr~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~routine~0 := 0;~myStatus~0 := 0;~pirp~0 := 0;~Executive~0 := 0;~Suspended~0 := 5;~KernelMode~0 := 0;~DeviceUsageTypePaging~0 := 1;~pirp~0 := ~irp~1; {25105#true} is VALID [2018-11-23 12:38:10,831 INFO L256 TraceCheckUtils]: 6: Hoare triple {25105#true} call _BLAST_init(); {25105#true} is VALID [2018-11-23 12:38:10,832 INFO L273 TraceCheckUtils]: 7: Hoare triple {25105#true} ~UNLOADED~0 := 0;~NP~0 := 1;~DC~0 := 2;~SKIP1~0 := 3;~SKIP2~0 := 4;~MPR1~0 := 5;~MPR3~0 := 6;~IPC~0 := 7;~s~0 := ~UNLOADED~0;~pended~0 := 0;~compFptr~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0; {25105#true} is VALID [2018-11-23 12:38:10,832 INFO L273 TraceCheckUtils]: 8: Hoare triple {25105#true} assume true; {25105#true} is VALID [2018-11-23 12:38:10,832 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {25105#true} {25105#true} #1364#return; {25105#true} is VALID [2018-11-23 12:38:10,832 INFO L273 TraceCheckUtils]: 10: Hoare triple {25105#true} assume ~status~9 >= 0;~s~0 := ~NP~0;~customIrp~0 := 0;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0;~pirp__IoStatus__Status~0 := 0;~myStatus~0 := 0; {25105#true} is VALID [2018-11-23 12:38:10,833 INFO L273 TraceCheckUtils]: 11: Hoare triple {25105#true} assume 0 == ~irp_choice~0;~pirp__IoStatus__Status~0 := -1073741637;~myStatus~0 := -1073741637; {25105#true} is VALID [2018-11-23 12:38:10,833 INFO L256 TraceCheckUtils]: 12: Hoare triple {25105#true} call stub_driver_init(); {25105#true} is VALID [2018-11-23 12:38:10,833 INFO L273 TraceCheckUtils]: 13: Hoare triple {25105#true} ~s~0 := ~NP~0;~customIrp~0 := 0;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0; {25105#true} is VALID [2018-11-23 12:38:10,833 INFO L273 TraceCheckUtils]: 14: Hoare triple {25105#true} assume true; {25105#true} is VALID [2018-11-23 12:38:10,834 INFO L268 TraceCheckUtils]: 15: Hoare quadruple {25105#true} {25105#true} #1366#return; {25105#true} is VALID [2018-11-23 12:38:10,834 INFO L273 TraceCheckUtils]: 16: Hoare triple {25105#true} assume !(~status~9 < 0);havoc ~tmp_ndt_1~0;assume -2147483648 <= #t~nondet156 && #t~nondet156 <= 2147483647;~tmp_ndt_1~0 := #t~nondet156;havoc #t~nondet156; {25105#true} is VALID [2018-11-23 12:38:10,834 INFO L273 TraceCheckUtils]: 17: Hoare triple {25105#true} assume !(2 == ~tmp_ndt_1~0);havoc ~tmp_ndt_2~0;assume -2147483648 <= #t~nondet157 && #t~nondet157 <= 2147483647;~tmp_ndt_2~0 := #t~nondet157;havoc #t~nondet157; {25105#true} is VALID [2018-11-23 12:38:10,834 INFO L273 TraceCheckUtils]: 18: Hoare triple {25105#true} assume 3 == ~tmp_ndt_2~0; {25105#true} is VALID [2018-11-23 12:38:10,835 INFO L256 TraceCheckUtils]: 19: Hoare triple {25105#true} call #t~ret160 := CdAudioPnp(~devobj~0, ~pirp~0); {25105#true} is VALID [2018-11-23 12:38:10,835 INFO L273 TraceCheckUtils]: 20: Hoare triple {25105#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;assume -2147483648 <= #t~nondet14 && #t~nondet14 <= 2147483647;~Irp__Tail__Overlay__CurrentStackLocation~0 := #t~nondet14;havoc #t~nondet14;assume -2147483648 <= #t~nondet15 && #t~nondet15 <= 2147483647;~irpSp__MinorFunction~0 := #t~nondet15;havoc #t~nondet15;havoc ~Irp__IoStatus__Status~0;assume -2147483648 <= #t~nondet16 && #t~nondet16 <= 2147483647;~irpSp__Parameters__UsageNotification__Type~0 := #t~nondet16;havoc #t~nondet16;assume -2147483648 <= #t~nondet17 && #t~nondet17 <= 2147483647;~deviceExtension__PagingPathCountEvent~0 := #t~nondet17;havoc #t~nondet17;assume -2147483648 <= #t~nondet18 && #t~nondet18 <= 2147483647;~irpSp__Parameters__UsageNotification__InPath~0 := #t~nondet18;havoc #t~nondet18;assume -2147483648 <= #t~nondet19 && #t~nondet19 <= 2147483647;~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 := -1073741637; {25105#true} is VALID [2018-11-23 12:38:10,835 INFO L273 TraceCheckUtils]: 21: Hoare triple {25105#true} assume 0 == ~irpSp__MinorFunction~0; {25105#true} is VALID [2018-11-23 12:38:10,835 INFO L256 TraceCheckUtils]: 22: Hoare triple {25105#true} call #t~ret20 := CdAudioStartDevice(~DeviceObject, ~Irp); {25105#true} is VALID [2018-11-23 12:38:10,836 INFO L273 TraceCheckUtils]: 23: Hoare triple {25105#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~deviceExtension__Active~0 := #t~nondet5;havoc #t~nondet5;assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647;~deviceExtension~0 := #t~nondet6;havoc #t~nondet6;havoc ~status~1;assume -2147483648 <= #t~nondet7 && #t~nondet7 <= 2147483647;~srb~0 := #t~nondet7;havoc #t~nondet7;assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647;~srb__Cdb~0 := #t~nondet8;havoc #t~nondet8;havoc ~cdb~0;havoc ~inquiryDataPtr~0;havoc ~attempt~0;havoc ~tmp~0;assume -2147483648 <= #t~nondet9 && #t~nondet9 <= 2147483647;~deviceParameterHandle~0 := #t~nondet9;havoc #t~nondet9;havoc ~keyValue~0; {25105#true} is VALID [2018-11-23 12:38:10,836 INFO L256 TraceCheckUtils]: 24: Hoare triple {25105#true} call #t~ret10 := CdAudioForwardIrpSynchronous(~DeviceObject, ~Irp); {25105#true} is VALID [2018-11-23 12:38:10,836 INFO L273 TraceCheckUtils]: 25: Hoare triple {25105#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;assume -2147483648 <= #t~nondet140 && #t~nondet140 <= 2147483647;~deviceExtension__TargetDeviceObject~3 := #t~nondet140;havoc #t~nondet140;assume -2147483648 <= #t~nondet141 && #t~nondet141 <= 2147483647;~event~2 := #t~nondet141;havoc #t~nondet141;havoc ~status~8;havoc ~irpSp__Control~1; {25105#true} is VALID [2018-11-23 12:38:10,836 INFO L273 TraceCheckUtils]: 26: Hoare triple {25105#true} assume !(~s~0 != ~NP~0); {25105#true} is VALID [2018-11-23 12:38:10,855 INFO L273 TraceCheckUtils]: 27: Hoare triple {25105#true} assume !(0 != ~compRegistered~0);~compRegistered~0 := 1;~routine~0 := 1; {25107#(<= 1 ~routine~0)} is VALID [2018-11-23 12:38:10,864 INFO L273 TraceCheckUtils]: 28: Hoare triple {25107#(<= 1 ~routine~0)} ~irpSp__Control~1 := 224; {25107#(<= 1 ~routine~0)} is VALID [2018-11-23 12:38:10,865 INFO L256 TraceCheckUtils]: 29: Hoare triple {25107#(<= 1 ~routine~0)} call #t~ret142 := IofCallDriver(~deviceExtension__TargetDeviceObject~3, ~Irp); {25107#(<= 1 ~routine~0)} is VALID [2018-11-23 12:38:10,869 INFO L273 TraceCheckUtils]: 30: Hoare triple {25107#(<= 1 ~routine~0)} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;assume -2147483648 <= #t~nondet162 && #t~nondet162 <= 2147483647;~Irp__PendingReturned~1 := #t~nondet162;havoc #t~nondet162;havoc ~returnVal2~0;havoc ~compRetStatus~0;assume -2147483648 <= #t~nondet163 && #t~nondet163 <= 2147483647;~lcontext~0 := #t~nondet163;havoc #t~nondet163;havoc ~__cil_tmp8~1; {25107#(<= 1 ~routine~0)} is VALID [2018-11-23 12:38:10,869 INFO L273 TraceCheckUtils]: 31: Hoare triple {25107#(<= 1 ~routine~0)} assume 0 != ~compRegistered~0; {25107#(<= 1 ~routine~0)} is VALID [2018-11-23 12:38:10,871 INFO L273 TraceCheckUtils]: 32: Hoare triple {25107#(<= 1 ~routine~0)} assume 0 == ~routine~0; {25106#false} is VALID [2018-11-23 12:38:10,871 INFO L256 TraceCheckUtils]: 33: Hoare triple {25106#false} call #t~ret164 := HPCdrCompletion(~DeviceObject, ~Irp, ~lcontext~0); {25106#false} is VALID [2018-11-23 12:38:10,871 INFO L273 TraceCheckUtils]: 34: Hoare triple {25106#false} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;~Context := #in~Context;assume -2147483648 <= #t~nondet134 && #t~nondet134 <= 2147483647;~Irp__PendingReturned~0 := #t~nondet134;havoc #t~nondet134;assume -2147483648 <= #t~nondet135 && #t~nondet135 <= 2147483647;~Irp__AssociatedIrp__SystemBuffer~1 := #t~nondet135;havoc #t~nondet135; {25106#false} is VALID [2018-11-23 12:38:10,871 INFO L273 TraceCheckUtils]: 35: Hoare triple {25106#false} assume 0 != ~Irp__PendingReturned~0; {25106#false} is VALID [2018-11-23 12:38:10,871 INFO L273 TraceCheckUtils]: 36: Hoare triple {25106#false} assume !(0 == ~pended~0); {25106#false} is VALID [2018-11-23 12:38:10,872 INFO L256 TraceCheckUtils]: 37: Hoare triple {25106#false} call errorFn(); {25106#false} is VALID [2018-11-23 12:38:10,872 INFO L273 TraceCheckUtils]: 38: Hoare triple {25106#false} assume !false; {25106#false} is VALID [2018-11-23 12:38:10,873 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 12:38:10,873 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:38:10,873 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 12:38:10,874 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2018-11-23 12:38:10,874 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 12:38:10,874 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2018-11-23 12:38:10,940 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 12:38:10,941 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 12:38:10,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 12:38:10,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 12:38:10,941 INFO L87 Difference]: Start difference. First operand 886 states and 1296 transitions. Second operand 3 states. [2018-11-23 12:38:14,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:38:14,876 INFO L93 Difference]: Finished difference Result 1274 states and 1815 transitions. [2018-11-23 12:38:14,876 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 12:38:14,876 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2018-11-23 12:38:14,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:38:14,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 12:38:14,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 984 transitions. [2018-11-23 12:38:14,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 12:38:14,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 984 transitions. [2018-11-23 12:38:14,891 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 984 transitions. [2018-11-23 12:38:15,764 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 12:38:15,852 INFO L225 Difference]: With dead ends: 1274 [2018-11-23 12:38:15,852 INFO L226 Difference]: Without dead ends: 1015 [2018-11-23 12:38:15,854 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 12:38:15,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1015 states. [2018-11-23 12:38:17,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1015 to 872. [2018-11-23 12:38:17,732 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 12:38:17,732 INFO L82 GeneralOperation]: Start isEquivalent. First operand 1015 states. Second operand 872 states. [2018-11-23 12:38:17,732 INFO L74 IsIncluded]: Start isIncluded. First operand 1015 states. Second operand 872 states. [2018-11-23 12:38:17,732 INFO L87 Difference]: Start difference. First operand 1015 states. Second operand 872 states. [2018-11-23 12:38:17,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:38:17,783 INFO L93 Difference]: Finished difference Result 1015 states and 1453 transitions. [2018-11-23 12:38:17,783 INFO L276 IsEmpty]: Start isEmpty. Operand 1015 states and 1453 transitions. [2018-11-23 12:38:17,787 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:38:17,787 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:38:17,787 INFO L74 IsIncluded]: Start isIncluded. First operand 872 states. Second operand 1015 states. [2018-11-23 12:38:17,787 INFO L87 Difference]: Start difference. First operand 872 states. Second operand 1015 states. [2018-11-23 12:38:17,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:38:17,855 INFO L93 Difference]: Finished difference Result 1015 states and 1453 transitions. [2018-11-23 12:38:17,855 INFO L276 IsEmpty]: Start isEmpty. Operand 1015 states and 1453 transitions. [2018-11-23 12:38:17,859 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:38:17,859 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:38:17,859 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 12:38:17,859 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 12:38:17,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 872 states. [2018-11-23 12:38:17,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 872 states to 872 states and 1238 transitions. [2018-11-23 12:38:17,921 INFO L78 Accepts]: Start accepts. Automaton has 872 states and 1238 transitions. Word has length 39 [2018-11-23 12:38:17,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:38:17,922 INFO L480 AbstractCegarLoop]: Abstraction has 872 states and 1238 transitions. [2018-11-23 12:38:17,922 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 12:38:17,922 INFO L276 IsEmpty]: Start isEmpty. Operand 872 states and 1238 transitions. [2018-11-23 12:38:17,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-23 12:38:17,924 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:38:17,925 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 12:38:17,925 INFO L423 AbstractCegarLoop]: === Iteration 8 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:38:17,925 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:38:17,925 INFO L82 PathProgramCache]: Analyzing trace with hash 2137693992, now seen corresponding path program 1 times [2018-11-23 12:38:17,925 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:38:17,926 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:38:17,926 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:38:17,926 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:38:17,926 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:38:17,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:38:18,247 INFO L256 TraceCheckUtils]: 0: Hoare triple {29921#true} call ULTIMATE.init(); {29921#true} is VALID [2018-11-23 12:38:18,247 INFO L273 TraceCheckUtils]: 1: Hoare triple {29921#true} ~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compFptr~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~routine~0 := 0;~myStatus~0 := 0;~pirp~0 := 0;~Executive~0 := 0;~Suspended~0 := 0;~KernelMode~0 := 0;~DeviceUsageTypePaging~0 := 0; {29921#true} is VALID [2018-11-23 12:38:18,248 INFO L273 TraceCheckUtils]: 2: Hoare triple {29921#true} assume true; {29921#true} is VALID [2018-11-23 12:38:18,248 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {29921#true} {29921#true} #1496#return; {29921#true} is VALID [2018-11-23 12:38:18,248 INFO L256 TraceCheckUtils]: 4: Hoare triple {29921#true} call #t~ret176 := main(); {29921#true} is VALID [2018-11-23 12:38:18,248 INFO L273 TraceCheckUtils]: 5: Hoare triple {29921#true} havoc ~pirp__IoStatus__Status~0;assume -2147483648 <= #t~nondet150 && #t~nondet150 <= 2147483647;~d~0 := #t~nondet150;havoc #t~nondet150;assume -2147483648 <= #t~nondet151 && #t~nondet151 <= 2147483647;~status~9 := #t~nondet151;havoc #t~nondet151;assume -2147483648 <= #t~nondet152 && #t~nondet152 <= 2147483647;~irp~1 := #t~nondet152;havoc #t~nondet152;assume -2147483648 <= #t~nondet153 && #t~nondet153 <= 2147483647;~we_should_unload~0 := #t~nondet153;havoc #t~nondet153;assume -2147483648 <= #t~nondet154 && #t~nondet154 <= 2147483647;~irp_choice~0 := #t~nondet154;havoc #t~nondet154;assume -2147483648 <= #t~nondet155 && #t~nondet155 <= 2147483647;~devobj~0 := #t~nondet155;havoc #t~nondet155;havoc ~__cil_tmp9~1;~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compFptr~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~routine~0 := 0;~myStatus~0 := 0;~pirp~0 := 0;~Executive~0 := 0;~Suspended~0 := 5;~KernelMode~0 := 0;~DeviceUsageTypePaging~0 := 1;~pirp~0 := ~irp~1; {29921#true} is VALID [2018-11-23 12:38:18,248 INFO L256 TraceCheckUtils]: 6: Hoare triple {29921#true} call _BLAST_init(); {29921#true} is VALID [2018-11-23 12:38:18,249 INFO L273 TraceCheckUtils]: 7: Hoare triple {29921#true} ~UNLOADED~0 := 0;~NP~0 := 1;~DC~0 := 2;~SKIP1~0 := 3;~SKIP2~0 := 4;~MPR1~0 := 5;~MPR3~0 := 6;~IPC~0 := 7;~s~0 := ~UNLOADED~0;~pended~0 := 0;~compFptr~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0; {29921#true} is VALID [2018-11-23 12:38:18,249 INFO L273 TraceCheckUtils]: 8: Hoare triple {29921#true} assume true; {29921#true} is VALID [2018-11-23 12:38:18,249 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {29921#true} {29921#true} #1364#return; {29921#true} is VALID [2018-11-23 12:38:18,249 INFO L273 TraceCheckUtils]: 10: Hoare triple {29921#true} assume ~status~9 >= 0;~s~0 := ~NP~0;~customIrp~0 := 0;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0;~pirp__IoStatus__Status~0 := 0;~myStatus~0 := 0; {29921#true} is VALID [2018-11-23 12:38:18,250 INFO L273 TraceCheckUtils]: 11: Hoare triple {29921#true} assume 0 == ~irp_choice~0;~pirp__IoStatus__Status~0 := -1073741637;~myStatus~0 := -1073741637; {29921#true} is VALID [2018-11-23 12:38:18,251 INFO L256 TraceCheckUtils]: 12: Hoare triple {29921#true} call stub_driver_init(); {29921#true} is VALID [2018-11-23 12:38:18,261 INFO L273 TraceCheckUtils]: 13: Hoare triple {29921#true} ~s~0 := ~NP~0;~customIrp~0 := 0;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0; {29923#(= 0 ~pended~0)} is VALID [2018-11-23 12:38:18,261 INFO L273 TraceCheckUtils]: 14: Hoare triple {29923#(= 0 ~pended~0)} assume true; {29923#(= 0 ~pended~0)} is VALID [2018-11-23 12:38:18,262 INFO L268 TraceCheckUtils]: 15: Hoare quadruple {29923#(= 0 ~pended~0)} {29921#true} #1366#return; {29923#(= 0 ~pended~0)} is VALID [2018-11-23 12:38:18,263 INFO L273 TraceCheckUtils]: 16: Hoare triple {29923#(= 0 ~pended~0)} assume !(~status~9 < 0);havoc ~tmp_ndt_1~0;assume -2147483648 <= #t~nondet156 && #t~nondet156 <= 2147483647;~tmp_ndt_1~0 := #t~nondet156;havoc #t~nondet156; {29923#(= 0 ~pended~0)} is VALID [2018-11-23 12:38:18,263 INFO L273 TraceCheckUtils]: 17: Hoare triple {29923#(= 0 ~pended~0)} assume 2 == ~tmp_ndt_1~0; {29923#(= 0 ~pended~0)} is VALID [2018-11-23 12:38:18,264 INFO L256 TraceCheckUtils]: 18: Hoare triple {29923#(= 0 ~pended~0)} call #t~ret159 := CdAudioDeviceControl(~devobj~0, ~pirp~0); {29923#(= 0 ~pended~0)} is VALID [2018-11-23 12:38:18,266 INFO L273 TraceCheckUtils]: 19: Hoare triple {29923#(= 0 ~pended~0)} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;assume -2147483648 <= #t~nondet26 && #t~nondet26 <= 2147483647;~deviceExtension__Active~1 := #t~nondet26;havoc #t~nondet26;havoc ~status~3; {29923#(= 0 ~pended~0)} is VALID [2018-11-23 12:38:18,269 INFO L273 TraceCheckUtils]: 20: Hoare triple {29923#(= 0 ~pended~0)} assume !(2 == ~deviceExtension__Active~1); {29923#(= 0 ~pended~0)} is VALID [2018-11-23 12:38:18,269 INFO L273 TraceCheckUtils]: 21: Hoare triple {29923#(= 0 ~pended~0)} assume !(3 == ~deviceExtension__Active~1); {29923#(= 0 ~pended~0)} is VALID [2018-11-23 12:38:18,270 INFO L273 TraceCheckUtils]: 22: Hoare triple {29923#(= 0 ~pended~0)} assume !(1 == ~deviceExtension__Active~1); {29923#(= 0 ~pended~0)} is VALID [2018-11-23 12:38:18,270 INFO L273 TraceCheckUtils]: 23: Hoare triple {29923#(= 0 ~pended~0)} assume 7 == ~deviceExtension__Active~1; {29923#(= 0 ~pended~0)} is VALID [2018-11-23 12:38:18,271 INFO L256 TraceCheckUtils]: 24: Hoare triple {29923#(= 0 ~pended~0)} call #t~ret30 := CdAudioHPCdrDeviceControl(~DeviceObject, ~Irp); {29923#(= 0 ~pended~0)} is VALID [2018-11-23 12:38:18,271 INFO L273 TraceCheckUtils]: 25: Hoare triple {29923#(= 0 ~pended~0)} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;assume -2147483648 <= #t~nondet136 && #t~nondet136 <= 2147483647;~currentIrpStack__Parameters__DeviceIoControl__IoControlCode~3 := #t~nondet136;havoc #t~nondet136;assume -2147483648 <= #t~nondet137 && #t~nondet137 <= 2147483647;~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 := 56;~__cil_tmp9~0 := 16384;~__cil_tmp10~2 := 131072;~__cil_tmp11~2 := 147456;~__cil_tmp12~1 := 147512; {29923#(= 0 ~pended~0)} is VALID [2018-11-23 12:38:18,271 INFO L273 TraceCheckUtils]: 26: Hoare triple {29923#(= 0 ~pended~0)} assume ~currentIrpStack__Parameters__DeviceIoControl__IoControlCode~3 == ~__cil_tmp12~1; {29923#(= 0 ~pended~0)} is VALID [2018-11-23 12:38:18,272 INFO L273 TraceCheckUtils]: 27: Hoare triple {29923#(= 0 ~pended~0)} assume !(~s~0 != ~NP~0); {29923#(= 0 ~pended~0)} is VALID [2018-11-23 12:38:18,272 INFO L273 TraceCheckUtils]: 28: Hoare triple {29923#(= 0 ~pended~0)} assume !(0 != ~compRegistered~0);~compRegistered~0 := 1;~routine~0 := 0; {29923#(= 0 ~pended~0)} is VALID [2018-11-23 12:38:18,272 INFO L273 TraceCheckUtils]: 29: Hoare triple {29923#(= 0 ~pended~0)} ~irpSp__Control~0 := 224; {29923#(= 0 ~pended~0)} is VALID [2018-11-23 12:38:18,273 INFO L256 TraceCheckUtils]: 30: Hoare triple {29923#(= 0 ~pended~0)} call #t~ret138 := IofCallDriver(~deviceExtension__TargetDeviceObject~2, ~Irp); {29923#(= 0 ~pended~0)} is VALID [2018-11-23 12:38:18,274 INFO L273 TraceCheckUtils]: 31: Hoare triple {29923#(= 0 ~pended~0)} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;assume -2147483648 <= #t~nondet162 && #t~nondet162 <= 2147483647;~Irp__PendingReturned~1 := #t~nondet162;havoc #t~nondet162;havoc ~returnVal2~0;havoc ~compRetStatus~0;assume -2147483648 <= #t~nondet163 && #t~nondet163 <= 2147483647;~lcontext~0 := #t~nondet163;havoc #t~nondet163;havoc ~__cil_tmp8~1; {29923#(= 0 ~pended~0)} is VALID [2018-11-23 12:38:18,274 INFO L273 TraceCheckUtils]: 32: Hoare triple {29923#(= 0 ~pended~0)} assume 0 != ~compRegistered~0; {29923#(= 0 ~pended~0)} is VALID [2018-11-23 12:38:18,275 INFO L273 TraceCheckUtils]: 33: Hoare triple {29923#(= 0 ~pended~0)} assume 0 == ~routine~0; {29923#(= 0 ~pended~0)} is VALID [2018-11-23 12:38:18,276 INFO L256 TraceCheckUtils]: 34: Hoare triple {29923#(= 0 ~pended~0)} call #t~ret164 := HPCdrCompletion(~DeviceObject, ~Irp, ~lcontext~0); {29923#(= 0 ~pended~0)} is VALID [2018-11-23 12:38:18,276 INFO L273 TraceCheckUtils]: 35: Hoare triple {29923#(= 0 ~pended~0)} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;~Context := #in~Context;assume -2147483648 <= #t~nondet134 && #t~nondet134 <= 2147483647;~Irp__PendingReturned~0 := #t~nondet134;havoc #t~nondet134;assume -2147483648 <= #t~nondet135 && #t~nondet135 <= 2147483647;~Irp__AssociatedIrp__SystemBuffer~1 := #t~nondet135;havoc #t~nondet135; {29923#(= 0 ~pended~0)} is VALID [2018-11-23 12:38:18,278 INFO L273 TraceCheckUtils]: 36: Hoare triple {29923#(= 0 ~pended~0)} assume 0 != ~Irp__PendingReturned~0; {29923#(= 0 ~pended~0)} is VALID [2018-11-23 12:38:18,279 INFO L273 TraceCheckUtils]: 37: Hoare triple {29923#(= 0 ~pended~0)} assume !(0 == ~pended~0); {29922#false} is VALID [2018-11-23 12:38:18,279 INFO L256 TraceCheckUtils]: 38: Hoare triple {29922#false} call errorFn(); {29922#false} is VALID [2018-11-23 12:38:18,279 INFO L273 TraceCheckUtils]: 39: Hoare triple {29922#false} assume !false; {29922#false} is VALID [2018-11-23 12:38:18,281 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 12:38:18,281 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:38:18,281 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 12:38:18,281 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2018-11-23 12:38:18,282 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 12:38:18,282 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2018-11-23 12:38:18,320 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 12:38:18,320 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 12:38:18,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 12:38:18,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 12:38:18,321 INFO L87 Difference]: Start difference. First operand 872 states and 1238 transitions. Second operand 3 states. [2018-11-23 12:38:20,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:38:20,952 INFO L93 Difference]: Finished difference Result 972 states and 1362 transitions. [2018-11-23 12:38:20,952 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 12:38:20,953 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2018-11-23 12:38:20,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:38:20,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 12:38:20,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 801 transitions. [2018-11-23 12:38:20,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 12:38:20,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 801 transitions. [2018-11-23 12:38:20,966 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 801 transitions. [2018-11-23 12:38:21,733 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 12:38:21,813 INFO L225 Difference]: With dead ends: 972 [2018-11-23 12:38:21,813 INFO L226 Difference]: Without dead ends: 954 [2018-11-23 12:38:21,814 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 1 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 12:38:21,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 954 states. [2018-11-23 12:38:24,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 954 to 892. [2018-11-23 12:38:24,664 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 12:38:24,664 INFO L82 GeneralOperation]: Start isEquivalent. First operand 954 states. Second operand 892 states. [2018-11-23 12:38:24,665 INFO L74 IsIncluded]: Start isIncluded. First operand 954 states. Second operand 892 states. [2018-11-23 12:38:24,665 INFO L87 Difference]: Start difference. First operand 954 states. Second operand 892 states. [2018-11-23 12:38:24,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:38:24,703 INFO L93 Difference]: Finished difference Result 954 states and 1337 transitions. [2018-11-23 12:38:24,704 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 1337 transitions. [2018-11-23 12:38:24,706 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:38:24,706 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:38:24,706 INFO L74 IsIncluded]: Start isIncluded. First operand 892 states. Second operand 954 states. [2018-11-23 12:38:24,706 INFO L87 Difference]: Start difference. First operand 892 states. Second operand 954 states. [2018-11-23 12:38:24,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:38:24,761 INFO L93 Difference]: Finished difference Result 954 states and 1337 transitions. [2018-11-23 12:38:24,761 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 1337 transitions. [2018-11-23 12:38:24,764 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:38:24,764 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:38:24,764 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 12:38:24,764 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 12:38:24,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 892 states. [2018-11-23 12:38:24,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 892 states to 892 states and 1264 transitions. [2018-11-23 12:38:24,813 INFO L78 Accepts]: Start accepts. Automaton has 892 states and 1264 transitions. Word has length 40 [2018-11-23 12:38:24,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:38:24,813 INFO L480 AbstractCegarLoop]: Abstraction has 892 states and 1264 transitions. [2018-11-23 12:38:24,813 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 12:38:24,813 INFO L276 IsEmpty]: Start isEmpty. Operand 892 states and 1264 transitions. [2018-11-23 12:38:24,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-23 12:38:24,815 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:38:24,815 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] [2018-11-23 12:38:24,815 INFO L423 AbstractCegarLoop]: === Iteration 9 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:38:24,815 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:38:24,815 INFO L82 PathProgramCache]: Analyzing trace with hash -1159920127, now seen corresponding path program 1 times [2018-11-23 12:38:24,816 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:38:24,816 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:38:24,816 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:38:24,816 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:38:24,817 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:38:24,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:38:25,062 INFO L256 TraceCheckUtils]: 0: Hoare triple {34265#true} call ULTIMATE.init(); {34265#true} is VALID [2018-11-23 12:38:25,063 INFO L273 TraceCheckUtils]: 1: Hoare triple {34265#true} ~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compFptr~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~routine~0 := 0;~myStatus~0 := 0;~pirp~0 := 0;~Executive~0 := 0;~Suspended~0 := 0;~KernelMode~0 := 0;~DeviceUsageTypePaging~0 := 0; {34265#true} is VALID [2018-11-23 12:38:25,063 INFO L273 TraceCheckUtils]: 2: Hoare triple {34265#true} assume true; {34265#true} is VALID [2018-11-23 12:38:25,063 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {34265#true} {34265#true} #1496#return; {34265#true} is VALID [2018-11-23 12:38:25,063 INFO L256 TraceCheckUtils]: 4: Hoare triple {34265#true} call #t~ret176 := main(); {34265#true} is VALID [2018-11-23 12:38:25,066 INFO L273 TraceCheckUtils]: 5: Hoare triple {34265#true} havoc ~pirp__IoStatus__Status~0;assume -2147483648 <= #t~nondet150 && #t~nondet150 <= 2147483647;~d~0 := #t~nondet150;havoc #t~nondet150;assume -2147483648 <= #t~nondet151 && #t~nondet151 <= 2147483647;~status~9 := #t~nondet151;havoc #t~nondet151;assume -2147483648 <= #t~nondet152 && #t~nondet152 <= 2147483647;~irp~1 := #t~nondet152;havoc #t~nondet152;assume -2147483648 <= #t~nondet153 && #t~nondet153 <= 2147483647;~we_should_unload~0 := #t~nondet153;havoc #t~nondet153;assume -2147483648 <= #t~nondet154 && #t~nondet154 <= 2147483647;~irp_choice~0 := #t~nondet154;havoc #t~nondet154;assume -2147483648 <= #t~nondet155 && #t~nondet155 <= 2147483647;~devobj~0 := #t~nondet155;havoc #t~nondet155;havoc ~__cil_tmp9~1;~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compFptr~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~routine~0 := 0;~myStatus~0 := 0;~pirp~0 := 0;~Executive~0 := 0;~Suspended~0 := 5;~KernelMode~0 := 0;~DeviceUsageTypePaging~0 := 1;~pirp~0 := ~irp~1; {34265#true} is VALID [2018-11-23 12:38:25,067 INFO L256 TraceCheckUtils]: 6: Hoare triple {34265#true} call _BLAST_init(); {34265#true} is VALID [2018-11-23 12:38:25,067 INFO L273 TraceCheckUtils]: 7: Hoare triple {34265#true} ~UNLOADED~0 := 0;~NP~0 := 1;~DC~0 := 2;~SKIP1~0 := 3;~SKIP2~0 := 4;~MPR1~0 := 5;~MPR3~0 := 6;~IPC~0 := 7;~s~0 := ~UNLOADED~0;~pended~0 := 0;~compFptr~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0; {34265#true} is VALID [2018-11-23 12:38:25,067 INFO L273 TraceCheckUtils]: 8: Hoare triple {34265#true} assume true; {34265#true} is VALID [2018-11-23 12:38:25,067 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {34265#true} {34265#true} #1364#return; {34265#true} is VALID [2018-11-23 12:38:25,067 INFO L273 TraceCheckUtils]: 10: Hoare triple {34265#true} assume ~status~9 >= 0;~s~0 := ~NP~0;~customIrp~0 := 0;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0;~pirp__IoStatus__Status~0 := 0;~myStatus~0 := 0; {34265#true} is VALID [2018-11-23 12:38:25,068 INFO L273 TraceCheckUtils]: 11: Hoare triple {34265#true} assume 0 == ~irp_choice~0;~pirp__IoStatus__Status~0 := -1073741637;~myStatus~0 := -1073741637; {34265#true} is VALID [2018-11-23 12:38:25,068 INFO L256 TraceCheckUtils]: 12: Hoare triple {34265#true} call stub_driver_init(); {34265#true} is VALID [2018-11-23 12:38:25,068 INFO L273 TraceCheckUtils]: 13: Hoare triple {34265#true} ~s~0 := ~NP~0;~customIrp~0 := 0;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0; {34265#true} is VALID [2018-11-23 12:38:25,068 INFO L273 TraceCheckUtils]: 14: Hoare triple {34265#true} assume true; {34265#true} is VALID [2018-11-23 12:38:25,068 INFO L268 TraceCheckUtils]: 15: Hoare quadruple {34265#true} {34265#true} #1366#return; {34265#true} is VALID [2018-11-23 12:38:25,069 INFO L273 TraceCheckUtils]: 16: Hoare triple {34265#true} assume !(~status~9 < 0);havoc ~tmp_ndt_1~0;assume -2147483648 <= #t~nondet156 && #t~nondet156 <= 2147483647;~tmp_ndt_1~0 := #t~nondet156;havoc #t~nondet156; {34265#true} is VALID [2018-11-23 12:38:25,069 INFO L273 TraceCheckUtils]: 17: Hoare triple {34265#true} assume !(2 == ~tmp_ndt_1~0);havoc ~tmp_ndt_2~0;assume -2147483648 <= #t~nondet157 && #t~nondet157 <= 2147483647;~tmp_ndt_2~0 := #t~nondet157;havoc #t~nondet157; {34265#true} is VALID [2018-11-23 12:38:25,069 INFO L273 TraceCheckUtils]: 18: Hoare triple {34265#true} assume 3 == ~tmp_ndt_2~0; {34265#true} is VALID [2018-11-23 12:38:25,069 INFO L256 TraceCheckUtils]: 19: Hoare triple {34265#true} call #t~ret160 := CdAudioPnp(~devobj~0, ~pirp~0); {34265#true} is VALID [2018-11-23 12:38:25,069 INFO L273 TraceCheckUtils]: 20: Hoare triple {34265#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;assume -2147483648 <= #t~nondet14 && #t~nondet14 <= 2147483647;~Irp__Tail__Overlay__CurrentStackLocation~0 := #t~nondet14;havoc #t~nondet14;assume -2147483648 <= #t~nondet15 && #t~nondet15 <= 2147483647;~irpSp__MinorFunction~0 := #t~nondet15;havoc #t~nondet15;havoc ~Irp__IoStatus__Status~0;assume -2147483648 <= #t~nondet16 && #t~nondet16 <= 2147483647;~irpSp__Parameters__UsageNotification__Type~0 := #t~nondet16;havoc #t~nondet16;assume -2147483648 <= #t~nondet17 && #t~nondet17 <= 2147483647;~deviceExtension__PagingPathCountEvent~0 := #t~nondet17;havoc #t~nondet17;assume -2147483648 <= #t~nondet18 && #t~nondet18 <= 2147483647;~irpSp__Parameters__UsageNotification__InPath~0 := #t~nondet18;havoc #t~nondet18;assume -2147483648 <= #t~nondet19 && #t~nondet19 <= 2147483647;~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 := -1073741637; {34265#true} is VALID [2018-11-23 12:38:25,070 INFO L273 TraceCheckUtils]: 21: Hoare triple {34265#true} assume 0 == ~irpSp__MinorFunction~0; {34265#true} is VALID [2018-11-23 12:38:25,070 INFO L256 TraceCheckUtils]: 22: Hoare triple {34265#true} call #t~ret20 := CdAudioStartDevice(~DeviceObject, ~Irp); {34265#true} is VALID [2018-11-23 12:38:25,070 INFO L273 TraceCheckUtils]: 23: Hoare triple {34265#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~deviceExtension__Active~0 := #t~nondet5;havoc #t~nondet5;assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647;~deviceExtension~0 := #t~nondet6;havoc #t~nondet6;havoc ~status~1;assume -2147483648 <= #t~nondet7 && #t~nondet7 <= 2147483647;~srb~0 := #t~nondet7;havoc #t~nondet7;assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647;~srb__Cdb~0 := #t~nondet8;havoc #t~nondet8;havoc ~cdb~0;havoc ~inquiryDataPtr~0;havoc ~attempt~0;havoc ~tmp~0;assume -2147483648 <= #t~nondet9 && #t~nondet9 <= 2147483647;~deviceParameterHandle~0 := #t~nondet9;havoc #t~nondet9;havoc ~keyValue~0; {34265#true} is VALID [2018-11-23 12:38:25,070 INFO L256 TraceCheckUtils]: 24: Hoare triple {34265#true} call #t~ret10 := CdAudioForwardIrpSynchronous(~DeviceObject, ~Irp); {34265#true} is VALID [2018-11-23 12:38:25,071 INFO L273 TraceCheckUtils]: 25: Hoare triple {34265#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;assume -2147483648 <= #t~nondet140 && #t~nondet140 <= 2147483647;~deviceExtension__TargetDeviceObject~3 := #t~nondet140;havoc #t~nondet140;assume -2147483648 <= #t~nondet141 && #t~nondet141 <= 2147483647;~event~2 := #t~nondet141;havoc #t~nondet141;havoc ~status~8;havoc ~irpSp__Control~1; {34265#true} is VALID [2018-11-23 12:38:25,071 INFO L273 TraceCheckUtils]: 26: Hoare triple {34265#true} assume !(~s~0 != ~NP~0); {34265#true} is VALID [2018-11-23 12:38:25,086 INFO L273 TraceCheckUtils]: 27: Hoare triple {34265#true} assume !(0 != ~compRegistered~0);~compRegistered~0 := 1;~routine~0 := 1; {34267#(= ~routine~0 1)} is VALID [2018-11-23 12:38:25,087 INFO L273 TraceCheckUtils]: 28: Hoare triple {34267#(= ~routine~0 1)} ~irpSp__Control~1 := 224; {34267#(= ~routine~0 1)} is VALID [2018-11-23 12:38:25,088 INFO L256 TraceCheckUtils]: 29: Hoare triple {34267#(= ~routine~0 1)} call #t~ret142 := IofCallDriver(~deviceExtension__TargetDeviceObject~3, ~Irp); {34267#(= ~routine~0 1)} is VALID [2018-11-23 12:38:25,088 INFO L273 TraceCheckUtils]: 30: Hoare triple {34267#(= ~routine~0 1)} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;assume -2147483648 <= #t~nondet162 && #t~nondet162 <= 2147483647;~Irp__PendingReturned~1 := #t~nondet162;havoc #t~nondet162;havoc ~returnVal2~0;havoc ~compRetStatus~0;assume -2147483648 <= #t~nondet163 && #t~nondet163 <= 2147483647;~lcontext~0 := #t~nondet163;havoc #t~nondet163;havoc ~__cil_tmp8~1; {34267#(= ~routine~0 1)} is VALID [2018-11-23 12:38:25,090 INFO L273 TraceCheckUtils]: 31: Hoare triple {34267#(= ~routine~0 1)} assume 0 != ~compRegistered~0; {34267#(= ~routine~0 1)} is VALID [2018-11-23 12:38:25,090 INFO L273 TraceCheckUtils]: 32: Hoare triple {34267#(= ~routine~0 1)} assume !(0 == ~routine~0); {34267#(= ~routine~0 1)} is VALID [2018-11-23 12:38:25,093 INFO L273 TraceCheckUtils]: 33: Hoare triple {34267#(= ~routine~0 1)} assume !(1 == ~routine~0); {34266#false} is VALID [2018-11-23 12:38:25,093 INFO L273 TraceCheckUtils]: 34: Hoare triple {34266#false} ~__cil_tmp8~1 := ~compRetStatus~0; {34266#false} is VALID [2018-11-23 12:38:25,093 INFO L273 TraceCheckUtils]: 35: Hoare triple {34266#false} assume 3221225494 == ~__cil_tmp8~1 % 4294967296; {34266#false} is VALID [2018-11-23 12:38:25,093 INFO L256 TraceCheckUtils]: 36: Hoare triple {34266#false} call stubMoreProcessingRequired(); {34265#true} is VALID [2018-11-23 12:38:25,093 INFO L273 TraceCheckUtils]: 37: Hoare triple {34265#true} assume ~s~0 == ~NP~0;~s~0 := ~MPR1~0; {34265#true} is VALID [2018-11-23 12:38:25,093 INFO L273 TraceCheckUtils]: 38: Hoare triple {34265#true} assume true; {34265#true} is VALID [2018-11-23 12:38:25,094 INFO L268 TraceCheckUtils]: 39: Hoare quadruple {34265#true} {34266#false} #1470#return; {34266#false} is VALID [2018-11-23 12:38:25,094 INFO L273 TraceCheckUtils]: 40: Hoare triple {34266#false} assume 0 != ~Irp__PendingReturned~1;~returnVal2~0 := 259; {34266#false} is VALID [2018-11-23 12:38:25,094 INFO L273 TraceCheckUtils]: 41: Hoare triple {34266#false} assume !(~s~0 == ~NP~0); {34266#false} is VALID [2018-11-23 12:38:25,094 INFO L273 TraceCheckUtils]: 42: Hoare triple {34266#false} assume !(~s~0 == ~MPR1~0); {34266#false} is VALID [2018-11-23 12:38:25,094 INFO L273 TraceCheckUtils]: 43: Hoare triple {34266#false} assume !(~s~0 == ~SKIP1~0); {34266#false} is VALID [2018-11-23 12:38:25,094 INFO L256 TraceCheckUtils]: 44: Hoare triple {34266#false} call errorFn(); {34266#false} is VALID [2018-11-23 12:38:25,095 INFO L273 TraceCheckUtils]: 45: Hoare triple {34266#false} assume !false; {34266#false} is VALID [2018-11-23 12:38:25,096 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 12:38:25,096 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:38:25,096 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 12:38:25,096 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2018-11-23 12:38:25,097 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 12:38:25,097 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2018-11-23 12:38:25,139 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 46 edges. 46 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:38:25,139 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 12:38:25,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 12:38:25,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 12:38:25,140 INFO L87 Difference]: Start difference. First operand 892 states and 1264 transitions. Second operand 3 states. [2018-11-23 12:38:30,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:38:30,044 INFO L93 Difference]: Finished difference Result 1167 states and 1639 transitions. [2018-11-23 12:38:30,044 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 12:38:30,044 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2018-11-23 12:38:30,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:38:30,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 12:38:30,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 954 transitions. [2018-11-23 12:38:30,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 12:38:30,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 954 transitions. [2018-11-23 12:38:30,058 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 954 transitions. [2018-11-23 12:38:30,925 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 954 edges. 954 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:38:30,973 INFO L225 Difference]: With dead ends: 1167 [2018-11-23 12:38:30,973 INFO L226 Difference]: Without dead ends: 925 [2018-11-23 12:38:30,974 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 12:38:30,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 925 states. [2018-11-23 12:38:32,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 925 to 892. [2018-11-23 12:38:32,340 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 12:38:32,340 INFO L82 GeneralOperation]: Start isEquivalent. First operand 925 states. Second operand 892 states. [2018-11-23 12:38:32,340 INFO L74 IsIncluded]: Start isIncluded. First operand 925 states. Second operand 892 states. [2018-11-23 12:38:32,340 INFO L87 Difference]: Start difference. First operand 925 states. Second operand 892 states. [2018-11-23 12:38:32,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:38:32,379 INFO L93 Difference]: Finished difference Result 925 states and 1300 transitions. [2018-11-23 12:38:32,379 INFO L276 IsEmpty]: Start isEmpty. Operand 925 states and 1300 transitions. [2018-11-23 12:38:32,382 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:38:32,382 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:38:32,382 INFO L74 IsIncluded]: Start isIncluded. First operand 892 states. Second operand 925 states. [2018-11-23 12:38:32,382 INFO L87 Difference]: Start difference. First operand 892 states. Second operand 925 states. [2018-11-23 12:38:32,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:38:32,419 INFO L93 Difference]: Finished difference Result 925 states and 1300 transitions. [2018-11-23 12:38:32,420 INFO L276 IsEmpty]: Start isEmpty. Operand 925 states and 1300 transitions. [2018-11-23 12:38:32,421 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:38:32,421 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:38:32,421 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 12:38:32,422 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 12:38:32,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 892 states. [2018-11-23 12:38:32,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 892 states to 892 states and 1263 transitions. [2018-11-23 12:38:32,464 INFO L78 Accepts]: Start accepts. Automaton has 892 states and 1263 transitions. Word has length 46 [2018-11-23 12:38:32,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:38:32,464 INFO L480 AbstractCegarLoop]: Abstraction has 892 states and 1263 transitions. [2018-11-23 12:38:32,464 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 12:38:32,464 INFO L276 IsEmpty]: Start isEmpty. Operand 892 states and 1263 transitions. [2018-11-23 12:38:32,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 12:38:32,466 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:38:32,467 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 12:38:32,467 INFO L423 AbstractCegarLoop]: === Iteration 10 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:38:32,467 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:38:32,467 INFO L82 PathProgramCache]: Analyzing trace with hash -256141125, now seen corresponding path program 1 times [2018-11-23 12:38:32,467 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:38:32,468 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:38:32,468 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:38:32,469 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:38:32,469 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:38:32,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:38:32,859 INFO L256 TraceCheckUtils]: 0: Hoare triple {38811#true} call ULTIMATE.init(); {38811#true} is VALID [2018-11-23 12:38:32,859 INFO L273 TraceCheckUtils]: 1: Hoare triple {38811#true} ~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compFptr~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~routine~0 := 0;~myStatus~0 := 0;~pirp~0 := 0;~Executive~0 := 0;~Suspended~0 := 0;~KernelMode~0 := 0;~DeviceUsageTypePaging~0 := 0; {38811#true} is VALID [2018-11-23 12:38:32,860 INFO L273 TraceCheckUtils]: 2: Hoare triple {38811#true} assume true; {38811#true} is VALID [2018-11-23 12:38:32,860 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {38811#true} {38811#true} #1496#return; {38811#true} is VALID [2018-11-23 12:38:32,860 INFO L256 TraceCheckUtils]: 4: Hoare triple {38811#true} call #t~ret176 := main(); {38811#true} is VALID [2018-11-23 12:38:32,860 INFO L273 TraceCheckUtils]: 5: Hoare triple {38811#true} havoc ~pirp__IoStatus__Status~0;assume -2147483648 <= #t~nondet150 && #t~nondet150 <= 2147483647;~d~0 := #t~nondet150;havoc #t~nondet150;assume -2147483648 <= #t~nondet151 && #t~nondet151 <= 2147483647;~status~9 := #t~nondet151;havoc #t~nondet151;assume -2147483648 <= #t~nondet152 && #t~nondet152 <= 2147483647;~irp~1 := #t~nondet152;havoc #t~nondet152;assume -2147483648 <= #t~nondet153 && #t~nondet153 <= 2147483647;~we_should_unload~0 := #t~nondet153;havoc #t~nondet153;assume -2147483648 <= #t~nondet154 && #t~nondet154 <= 2147483647;~irp_choice~0 := #t~nondet154;havoc #t~nondet154;assume -2147483648 <= #t~nondet155 && #t~nondet155 <= 2147483647;~devobj~0 := #t~nondet155;havoc #t~nondet155;havoc ~__cil_tmp9~1;~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compFptr~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~routine~0 := 0;~myStatus~0 := 0;~pirp~0 := 0;~Executive~0 := 0;~Suspended~0 := 5;~KernelMode~0 := 0;~DeviceUsageTypePaging~0 := 1;~pirp~0 := ~irp~1; {38811#true} is VALID [2018-11-23 12:38:32,862 INFO L256 TraceCheckUtils]: 6: Hoare triple {38811#true} call _BLAST_init(); {38811#true} is VALID [2018-11-23 12:38:32,862 INFO L273 TraceCheckUtils]: 7: Hoare triple {38811#true} ~UNLOADED~0 := 0;~NP~0 := 1;~DC~0 := 2;~SKIP1~0 := 3;~SKIP2~0 := 4;~MPR1~0 := 5;~MPR3~0 := 6;~IPC~0 := 7;~s~0 := ~UNLOADED~0;~pended~0 := 0;~compFptr~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0; {38811#true} is VALID [2018-11-23 12:38:32,863 INFO L273 TraceCheckUtils]: 8: Hoare triple {38811#true} assume true; {38811#true} is VALID [2018-11-23 12:38:32,863 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {38811#true} {38811#true} #1364#return; {38811#true} is VALID [2018-11-23 12:38:32,863 INFO L273 TraceCheckUtils]: 10: Hoare triple {38811#true} assume ~status~9 >= 0;~s~0 := ~NP~0;~customIrp~0 := 0;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0;~pirp__IoStatus__Status~0 := 0;~myStatus~0 := 0; {38811#true} is VALID [2018-11-23 12:38:32,863 INFO L273 TraceCheckUtils]: 11: Hoare triple {38811#true} assume 0 == ~irp_choice~0;~pirp__IoStatus__Status~0 := -1073741637;~myStatus~0 := -1073741637; {38811#true} is VALID [2018-11-23 12:38:32,864 INFO L256 TraceCheckUtils]: 12: Hoare triple {38811#true} call stub_driver_init(); {38811#true} is VALID [2018-11-23 12:38:32,864 INFO L273 TraceCheckUtils]: 13: Hoare triple {38811#true} ~s~0 := ~NP~0;~customIrp~0 := 0;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0; {38811#true} is VALID [2018-11-23 12:38:32,864 INFO L273 TraceCheckUtils]: 14: Hoare triple {38811#true} assume true; {38811#true} is VALID [2018-11-23 12:38:32,864 INFO L268 TraceCheckUtils]: 15: Hoare quadruple {38811#true} {38811#true} #1366#return; {38811#true} is VALID [2018-11-23 12:38:32,865 INFO L273 TraceCheckUtils]: 16: Hoare triple {38811#true} assume !(~status~9 < 0);havoc ~tmp_ndt_1~0;assume -2147483648 <= #t~nondet156 && #t~nondet156 <= 2147483647;~tmp_ndt_1~0 := #t~nondet156;havoc #t~nondet156; {38811#true} is VALID [2018-11-23 12:38:32,865 INFO L273 TraceCheckUtils]: 17: Hoare triple {38811#true} assume !(2 == ~tmp_ndt_1~0);havoc ~tmp_ndt_2~0;assume -2147483648 <= #t~nondet157 && #t~nondet157 <= 2147483647;~tmp_ndt_2~0 := #t~nondet157;havoc #t~nondet157; {38811#true} is VALID [2018-11-23 12:38:32,865 INFO L273 TraceCheckUtils]: 18: Hoare triple {38811#true} assume 3 == ~tmp_ndt_2~0; {38811#true} is VALID [2018-11-23 12:38:32,866 INFO L256 TraceCheckUtils]: 19: Hoare triple {38811#true} call #t~ret160 := CdAudioPnp(~devobj~0, ~pirp~0); {38811#true} is VALID [2018-11-23 12:38:32,867 INFO L273 TraceCheckUtils]: 20: Hoare triple {38811#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;assume -2147483648 <= #t~nondet14 && #t~nondet14 <= 2147483647;~Irp__Tail__Overlay__CurrentStackLocation~0 := #t~nondet14;havoc #t~nondet14;assume -2147483648 <= #t~nondet15 && #t~nondet15 <= 2147483647;~irpSp__MinorFunction~0 := #t~nondet15;havoc #t~nondet15;havoc ~Irp__IoStatus__Status~0;assume -2147483648 <= #t~nondet16 && #t~nondet16 <= 2147483647;~irpSp__Parameters__UsageNotification__Type~0 := #t~nondet16;havoc #t~nondet16;assume -2147483648 <= #t~nondet17 && #t~nondet17 <= 2147483647;~deviceExtension__PagingPathCountEvent~0 := #t~nondet17;havoc #t~nondet17;assume -2147483648 <= #t~nondet18 && #t~nondet18 <= 2147483647;~irpSp__Parameters__UsageNotification__InPath~0 := #t~nondet18;havoc #t~nondet18;assume -2147483648 <= #t~nondet19 && #t~nondet19 <= 2147483647;~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 := -1073741637; {38811#true} is VALID [2018-11-23 12:38:32,868 INFO L273 TraceCheckUtils]: 21: Hoare triple {38811#true} assume 0 == ~irpSp__MinorFunction~0; {38811#true} is VALID [2018-11-23 12:38:32,868 INFO L256 TraceCheckUtils]: 22: Hoare triple {38811#true} call #t~ret20 := CdAudioStartDevice(~DeviceObject, ~Irp); {38811#true} is VALID [2018-11-23 12:38:32,868 INFO L273 TraceCheckUtils]: 23: Hoare triple {38811#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~deviceExtension__Active~0 := #t~nondet5;havoc #t~nondet5;assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647;~deviceExtension~0 := #t~nondet6;havoc #t~nondet6;havoc ~status~1;assume -2147483648 <= #t~nondet7 && #t~nondet7 <= 2147483647;~srb~0 := #t~nondet7;havoc #t~nondet7;assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647;~srb__Cdb~0 := #t~nondet8;havoc #t~nondet8;havoc ~cdb~0;havoc ~inquiryDataPtr~0;havoc ~attempt~0;havoc ~tmp~0;assume -2147483648 <= #t~nondet9 && #t~nondet9 <= 2147483647;~deviceParameterHandle~0 := #t~nondet9;havoc #t~nondet9;havoc ~keyValue~0; {38811#true} is VALID [2018-11-23 12:38:32,868 INFO L256 TraceCheckUtils]: 24: Hoare triple {38811#true} call #t~ret10 := CdAudioForwardIrpSynchronous(~DeviceObject, ~Irp); {38811#true} is VALID [2018-11-23 12:38:32,868 INFO L273 TraceCheckUtils]: 25: Hoare triple {38811#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;assume -2147483648 <= #t~nondet140 && #t~nondet140 <= 2147483647;~deviceExtension__TargetDeviceObject~3 := #t~nondet140;havoc #t~nondet140;assume -2147483648 <= #t~nondet141 && #t~nondet141 <= 2147483647;~event~2 := #t~nondet141;havoc #t~nondet141;havoc ~status~8;havoc ~irpSp__Control~1; {38811#true} is VALID [2018-11-23 12:38:32,869 INFO L273 TraceCheckUtils]: 26: Hoare triple {38811#true} assume !(~s~0 != ~NP~0); {38811#true} is VALID [2018-11-23 12:38:32,884 INFO L273 TraceCheckUtils]: 27: Hoare triple {38811#true} assume !(0 != ~compRegistered~0);~compRegistered~0 := 1;~routine~0 := 1; {38813#(<= 1 ~compRegistered~0)} is VALID [2018-11-23 12:38:32,893 INFO L273 TraceCheckUtils]: 28: Hoare triple {38813#(<= 1 ~compRegistered~0)} ~irpSp__Control~1 := 224; {38813#(<= 1 ~compRegistered~0)} is VALID [2018-11-23 12:38:32,893 INFO L256 TraceCheckUtils]: 29: Hoare triple {38813#(<= 1 ~compRegistered~0)} call #t~ret142 := IofCallDriver(~deviceExtension__TargetDeviceObject~3, ~Irp); {38811#true} is VALID [2018-11-23 12:38:32,893 INFO L273 TraceCheckUtils]: 30: Hoare triple {38811#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;assume -2147483648 <= #t~nondet162 && #t~nondet162 <= 2147483647;~Irp__PendingReturned~1 := #t~nondet162;havoc #t~nondet162;havoc ~returnVal2~0;havoc ~compRetStatus~0;assume -2147483648 <= #t~nondet163 && #t~nondet163 <= 2147483647;~lcontext~0 := #t~nondet163;havoc #t~nondet163;havoc ~__cil_tmp8~1; {38811#true} is VALID [2018-11-23 12:38:32,910 INFO L273 TraceCheckUtils]: 31: Hoare triple {38811#true} assume !(0 != ~compRegistered~0); {38814#(<= ~compRegistered~0 0)} is VALID [2018-11-23 12:38:32,919 INFO L273 TraceCheckUtils]: 32: Hoare triple {38814#(<= ~compRegistered~0 0)} assume 0 != ~Irp__PendingReturned~1;~returnVal2~0 := 259; {38814#(<= ~compRegistered~0 0)} is VALID [2018-11-23 12:38:32,931 INFO L273 TraceCheckUtils]: 33: Hoare triple {38814#(<= ~compRegistered~0 0)} assume ~s~0 == ~NP~0;~s~0 := ~IPC~0;~lowerDriverReturn~0 := ~returnVal2~0; {38814#(<= ~compRegistered~0 0)} is VALID [2018-11-23 12:38:32,944 INFO L273 TraceCheckUtils]: 34: Hoare triple {38814#(<= ~compRegistered~0 0)} #res := ~returnVal2~0; {38814#(<= ~compRegistered~0 0)} is VALID [2018-11-23 12:38:32,956 INFO L273 TraceCheckUtils]: 35: Hoare triple {38814#(<= ~compRegistered~0 0)} assume true; {38814#(<= ~compRegistered~0 0)} is VALID [2018-11-23 12:38:32,966 INFO L268 TraceCheckUtils]: 36: Hoare quadruple {38814#(<= ~compRegistered~0 0)} {38813#(<= 1 ~compRegistered~0)} #1554#return; {38812#false} is VALID [2018-11-23 12:38:32,966 INFO L273 TraceCheckUtils]: 37: Hoare triple {38812#false} assume -2147483648 <= #t~ret142 && #t~ret142 <= 2147483647;~status~8 := #t~ret142;havoc #t~ret142;~status~8 := 259; {38812#false} is VALID [2018-11-23 12:38:32,966 INFO L273 TraceCheckUtils]: 38: Hoare triple {38812#false} assume 0 != ~status~8; {38812#false} is VALID [2018-11-23 12:38:32,967 INFO L256 TraceCheckUtils]: 39: Hoare triple {38812#false} call #t~ret143 := KeWaitForSingleObject(~event~2, ~Executive~0, ~KernelMode~0, 0, 0); {38812#false} is VALID [2018-11-23 12:38:32,967 INFO L273 TraceCheckUtils]: 40: Hoare triple {38812#false} ~Object := #in~Object;~WaitReason := #in~WaitReason;~WaitMode := #in~WaitMode;~Alertable := #in~Alertable;~Timeout := #in~Timeout; {38812#false} is VALID [2018-11-23 12:38:32,967 INFO L273 TraceCheckUtils]: 41: Hoare triple {38812#false} assume ~s~0 == ~MPR3~0; {38812#false} is VALID [2018-11-23 12:38:32,967 INFO L273 TraceCheckUtils]: 42: Hoare triple {38812#false} assume !(1 == ~setEventCalled~0); {38812#false} is VALID [2018-11-23 12:38:32,967 INFO L273 TraceCheckUtils]: 43: Hoare triple {38812#false} assume !(1 == ~customIrp~0); {38812#false} is VALID [2018-11-23 12:38:32,968 INFO L273 TraceCheckUtils]: 44: Hoare triple {38812#false} assume ~s~0 == ~MPR3~0; {38812#false} is VALID [2018-11-23 12:38:32,968 INFO L256 TraceCheckUtils]: 45: Hoare triple {38812#false} call errorFn(); {38812#false} is VALID [2018-11-23 12:38:32,968 INFO L273 TraceCheckUtils]: 46: Hoare triple {38812#false} assume !false; {38812#false} is VALID [2018-11-23 12:38:32,970 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 12:38:32,970 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:38:32,970 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 12:38:32,971 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2018-11-23 12:38:32,971 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 12:38:32,971 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2018-11-23 12:38:33,169 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 12:38:33,169 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 12:38:33,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 12:38:33,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 12:38:33,170 INFO L87 Difference]: Start difference. First operand 892 states and 1263 transitions. Second operand 4 states. [2018-11-23 12:38:37,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:38:37,074 INFO L93 Difference]: Finished difference Result 1014 states and 1409 transitions. [2018-11-23 12:38:37,074 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 12:38:37,074 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2018-11-23 12:38:37,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:38:37,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-23 12:38:37,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 933 transitions. [2018-11-23 12:38:37,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-23 12:38:37,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 933 transitions. [2018-11-23 12:38:37,089 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 933 transitions. [2018-11-23 12:38:38,061 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 12:38:38,097 INFO L225 Difference]: With dead ends: 1014 [2018-11-23 12:38:38,097 INFO L226 Difference]: Without dead ends: 785 [2018-11-23 12:38:38,098 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 12:38:38,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 785 states. [2018-11-23 12:38:39,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 785 to 751. [2018-11-23 12:38:39,367 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 12:38:39,368 INFO L82 GeneralOperation]: Start isEquivalent. First operand 785 states. Second operand 751 states. [2018-11-23 12:38:39,368 INFO L74 IsIncluded]: Start isIncluded. First operand 785 states. Second operand 751 states. [2018-11-23 12:38:39,368 INFO L87 Difference]: Start difference. First operand 785 states. Second operand 751 states. [2018-11-23 12:38:39,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:38:39,395 INFO L93 Difference]: Finished difference Result 785 states and 1094 transitions. [2018-11-23 12:38:39,395 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 1094 transitions. [2018-11-23 12:38:39,397 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:38:39,397 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:38:39,397 INFO L74 IsIncluded]: Start isIncluded. First operand 751 states. Second operand 785 states. [2018-11-23 12:38:39,397 INFO L87 Difference]: Start difference. First operand 751 states. Second operand 785 states. [2018-11-23 12:38:39,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:38:39,436 INFO L93 Difference]: Finished difference Result 785 states and 1094 transitions. [2018-11-23 12:38:39,436 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 1094 transitions. [2018-11-23 12:38:39,438 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:38:39,438 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:38:39,438 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 12:38:39,438 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 12:38:39,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 751 states. [2018-11-23 12:38:39,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 751 states to 751 states and 1056 transitions. [2018-11-23 12:38:39,466 INFO L78 Accepts]: Start accepts. Automaton has 751 states and 1056 transitions. Word has length 47 [2018-11-23 12:38:39,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:38:39,467 INFO L480 AbstractCegarLoop]: Abstraction has 751 states and 1056 transitions. [2018-11-23 12:38:39,467 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 12:38:39,467 INFO L276 IsEmpty]: Start isEmpty. Operand 751 states and 1056 transitions. [2018-11-23 12:38:39,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 12:38:39,468 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:38:39,468 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 12:38:39,468 INFO L423 AbstractCegarLoop]: === Iteration 11 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:38:39,468 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:38:39,469 INFO L82 PathProgramCache]: Analyzing trace with hash -18672278, now seen corresponding path program 1 times [2018-11-23 12:38:39,469 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:38:39,469 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:38:39,470 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:38:39,470 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:38:39,470 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:38:39,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:38:39,702 INFO L256 TraceCheckUtils]: 0: Hoare triple {42704#true} call ULTIMATE.init(); {42704#true} is VALID [2018-11-23 12:38:39,703 INFO L273 TraceCheckUtils]: 1: Hoare triple {42704#true} ~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compFptr~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~routine~0 := 0;~myStatus~0 := 0;~pirp~0 := 0;~Executive~0 := 0;~Suspended~0 := 0;~KernelMode~0 := 0;~DeviceUsageTypePaging~0 := 0; {42704#true} is VALID [2018-11-23 12:38:39,703 INFO L273 TraceCheckUtils]: 2: Hoare triple {42704#true} assume true; {42704#true} is VALID [2018-11-23 12:38:39,703 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {42704#true} {42704#true} #1496#return; {42704#true} is VALID [2018-11-23 12:38:39,703 INFO L256 TraceCheckUtils]: 4: Hoare triple {42704#true} call #t~ret176 := main(); {42704#true} is VALID [2018-11-23 12:38:39,703 INFO L273 TraceCheckUtils]: 5: Hoare triple {42704#true} havoc ~pirp__IoStatus__Status~0;assume -2147483648 <= #t~nondet150 && #t~nondet150 <= 2147483647;~d~0 := #t~nondet150;havoc #t~nondet150;assume -2147483648 <= #t~nondet151 && #t~nondet151 <= 2147483647;~status~9 := #t~nondet151;havoc #t~nondet151;assume -2147483648 <= #t~nondet152 && #t~nondet152 <= 2147483647;~irp~1 := #t~nondet152;havoc #t~nondet152;assume -2147483648 <= #t~nondet153 && #t~nondet153 <= 2147483647;~we_should_unload~0 := #t~nondet153;havoc #t~nondet153;assume -2147483648 <= #t~nondet154 && #t~nondet154 <= 2147483647;~irp_choice~0 := #t~nondet154;havoc #t~nondet154;assume -2147483648 <= #t~nondet155 && #t~nondet155 <= 2147483647;~devobj~0 := #t~nondet155;havoc #t~nondet155;havoc ~__cil_tmp9~1;~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compFptr~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~routine~0 := 0;~myStatus~0 := 0;~pirp~0 := 0;~Executive~0 := 0;~Suspended~0 := 5;~KernelMode~0 := 0;~DeviceUsageTypePaging~0 := 1;~pirp~0 := ~irp~1; {42704#true} is VALID [2018-11-23 12:38:39,704 INFO L256 TraceCheckUtils]: 6: Hoare triple {42704#true} call _BLAST_init(); {42704#true} is VALID [2018-11-23 12:38:39,704 INFO L273 TraceCheckUtils]: 7: Hoare triple {42704#true} ~UNLOADED~0 := 0;~NP~0 := 1;~DC~0 := 2;~SKIP1~0 := 3;~SKIP2~0 := 4;~MPR1~0 := 5;~MPR3~0 := 6;~IPC~0 := 7;~s~0 := ~UNLOADED~0;~pended~0 := 0;~compFptr~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0; {42704#true} is VALID [2018-11-23 12:38:39,704 INFO L273 TraceCheckUtils]: 8: Hoare triple {42704#true} assume true; {42704#true} is VALID [2018-11-23 12:38:39,704 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {42704#true} {42704#true} #1364#return; {42704#true} is VALID [2018-11-23 12:38:39,705 INFO L273 TraceCheckUtils]: 10: Hoare triple {42704#true} assume ~status~9 >= 0;~s~0 := ~NP~0;~customIrp~0 := 0;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0;~pirp__IoStatus__Status~0 := 0;~myStatus~0 := 0; {42704#true} is VALID [2018-11-23 12:38:39,705 INFO L273 TraceCheckUtils]: 11: Hoare triple {42704#true} assume 0 == ~irp_choice~0;~pirp__IoStatus__Status~0 := -1073741637;~myStatus~0 := -1073741637; {42704#true} is VALID [2018-11-23 12:38:39,705 INFO L256 TraceCheckUtils]: 12: Hoare triple {42704#true} call stub_driver_init(); {42704#true} is VALID [2018-11-23 12:38:39,705 INFO L273 TraceCheckUtils]: 13: Hoare triple {42704#true} ~s~0 := ~NP~0;~customIrp~0 := 0;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0; {42704#true} is VALID [2018-11-23 12:38:39,705 INFO L273 TraceCheckUtils]: 14: Hoare triple {42704#true} assume true; {42704#true} is VALID [2018-11-23 12:38:39,706 INFO L268 TraceCheckUtils]: 15: Hoare quadruple {42704#true} {42704#true} #1366#return; {42704#true} is VALID [2018-11-23 12:38:39,706 INFO L273 TraceCheckUtils]: 16: Hoare triple {42704#true} assume !(~status~9 < 0);havoc ~tmp_ndt_1~0;assume -2147483648 <= #t~nondet156 && #t~nondet156 <= 2147483647;~tmp_ndt_1~0 := #t~nondet156;havoc #t~nondet156; {42704#true} is VALID [2018-11-23 12:38:39,706 INFO L273 TraceCheckUtils]: 17: Hoare triple {42704#true} assume 2 == ~tmp_ndt_1~0; {42704#true} is VALID [2018-11-23 12:38:39,706 INFO L256 TraceCheckUtils]: 18: Hoare triple {42704#true} call #t~ret159 := CdAudioDeviceControl(~devobj~0, ~pirp~0); {42704#true} is VALID [2018-11-23 12:38:39,707 INFO L273 TraceCheckUtils]: 19: Hoare triple {42704#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;assume -2147483648 <= #t~nondet26 && #t~nondet26 <= 2147483647;~deviceExtension__Active~1 := #t~nondet26;havoc #t~nondet26;havoc ~status~3; {42704#true} is VALID [2018-11-23 12:38:39,713 INFO L273 TraceCheckUtils]: 20: Hoare triple {42704#true} assume !(2 == ~deviceExtension__Active~1); {42704#true} is VALID [2018-11-23 12:38:39,713 INFO L273 TraceCheckUtils]: 21: Hoare triple {42704#true} assume !(3 == ~deviceExtension__Active~1); {42704#true} is VALID [2018-11-23 12:38:39,713 INFO L273 TraceCheckUtils]: 22: Hoare triple {42704#true} assume !(1 == ~deviceExtension__Active~1); {42704#true} is VALID [2018-11-23 12:38:39,714 INFO L273 TraceCheckUtils]: 23: Hoare triple {42704#true} assume 7 == ~deviceExtension__Active~1; {42704#true} is VALID [2018-11-23 12:38:39,714 INFO L256 TraceCheckUtils]: 24: Hoare triple {42704#true} call #t~ret30 := CdAudioHPCdrDeviceControl(~DeviceObject, ~Irp); {42704#true} is VALID [2018-11-23 12:38:39,714 INFO L273 TraceCheckUtils]: 25: Hoare triple {42704#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;assume -2147483648 <= #t~nondet136 && #t~nondet136 <= 2147483647;~currentIrpStack__Parameters__DeviceIoControl__IoControlCode~3 := #t~nondet136;havoc #t~nondet136;assume -2147483648 <= #t~nondet137 && #t~nondet137 <= 2147483647;~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 := 56;~__cil_tmp9~0 := 16384;~__cil_tmp10~2 := 131072;~__cil_tmp11~2 := 147456;~__cil_tmp12~1 := 147512; {42704#true} is VALID [2018-11-23 12:38:39,714 INFO L273 TraceCheckUtils]: 26: Hoare triple {42704#true} assume ~currentIrpStack__Parameters__DeviceIoControl__IoControlCode~3 == ~__cil_tmp12~1; {42704#true} is VALID [2018-11-23 12:38:39,715 INFO L273 TraceCheckUtils]: 27: Hoare triple {42704#true} assume !(~s~0 != ~NP~0); {42704#true} is VALID [2018-11-23 12:38:39,725 INFO L273 TraceCheckUtils]: 28: Hoare triple {42704#true} assume !(0 != ~compRegistered~0);~compRegistered~0 := 1;~routine~0 := 0; {42706#(= ~routine~0 0)} is VALID [2018-11-23 12:38:39,741 INFO L273 TraceCheckUtils]: 29: Hoare triple {42706#(= ~routine~0 0)} ~irpSp__Control~0 := 224; {42706#(= ~routine~0 0)} is VALID [2018-11-23 12:38:39,756 INFO L256 TraceCheckUtils]: 30: Hoare triple {42706#(= ~routine~0 0)} call #t~ret138 := IofCallDriver(~deviceExtension__TargetDeviceObject~2, ~Irp); {42706#(= ~routine~0 0)} is VALID [2018-11-23 12:38:39,759 INFO L273 TraceCheckUtils]: 31: Hoare triple {42706#(= ~routine~0 0)} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;assume -2147483648 <= #t~nondet162 && #t~nondet162 <= 2147483647;~Irp__PendingReturned~1 := #t~nondet162;havoc #t~nondet162;havoc ~returnVal2~0;havoc ~compRetStatus~0;assume -2147483648 <= #t~nondet163 && #t~nondet163 <= 2147483647;~lcontext~0 := #t~nondet163;havoc #t~nondet163;havoc ~__cil_tmp8~1; {42706#(= ~routine~0 0)} is VALID [2018-11-23 12:38:39,759 INFO L273 TraceCheckUtils]: 32: Hoare triple {42706#(= ~routine~0 0)} assume 0 != ~compRegistered~0; {42706#(= ~routine~0 0)} is VALID [2018-11-23 12:38:39,761 INFO L273 TraceCheckUtils]: 33: Hoare triple {42706#(= ~routine~0 0)} assume !(0 == ~routine~0); {42705#false} is VALID [2018-11-23 12:38:39,761 INFO L273 TraceCheckUtils]: 34: Hoare triple {42705#false} assume !(1 == ~routine~0); {42705#false} is VALID [2018-11-23 12:38:39,761 INFO L273 TraceCheckUtils]: 35: Hoare triple {42705#false} ~__cil_tmp8~1 := ~compRetStatus~0; {42705#false} is VALID [2018-11-23 12:38:39,761 INFO L273 TraceCheckUtils]: 36: Hoare triple {42705#false} assume 3221225494 == ~__cil_tmp8~1 % 4294967296; {42705#false} is VALID [2018-11-23 12:38:39,761 INFO L256 TraceCheckUtils]: 37: Hoare triple {42705#false} call stubMoreProcessingRequired(); {42704#true} is VALID [2018-11-23 12:38:39,762 INFO L273 TraceCheckUtils]: 38: Hoare triple {42704#true} assume ~s~0 == ~NP~0;~s~0 := ~MPR1~0; {42704#true} is VALID [2018-11-23 12:38:39,762 INFO L273 TraceCheckUtils]: 39: Hoare triple {42704#true} assume true; {42704#true} is VALID [2018-11-23 12:38:39,762 INFO L268 TraceCheckUtils]: 40: Hoare quadruple {42704#true} {42705#false} #1470#return; {42705#false} is VALID [2018-11-23 12:38:39,762 INFO L273 TraceCheckUtils]: 41: Hoare triple {42705#false} assume 0 != ~Irp__PendingReturned~1;~returnVal2~0 := 259; {42705#false} is VALID [2018-11-23 12:38:39,762 INFO L273 TraceCheckUtils]: 42: Hoare triple {42705#false} assume !(~s~0 == ~NP~0); {42705#false} is VALID [2018-11-23 12:38:39,763 INFO L273 TraceCheckUtils]: 43: Hoare triple {42705#false} assume !(~s~0 == ~MPR1~0); {42705#false} is VALID [2018-11-23 12:38:39,763 INFO L273 TraceCheckUtils]: 44: Hoare triple {42705#false} assume !(~s~0 == ~SKIP1~0); {42705#false} is VALID [2018-11-23 12:38:39,763 INFO L256 TraceCheckUtils]: 45: Hoare triple {42705#false} call errorFn(); {42705#false} is VALID [2018-11-23 12:38:39,763 INFO L273 TraceCheckUtils]: 46: Hoare triple {42705#false} assume !false; {42705#false} is VALID [2018-11-23 12:38:39,765 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 12:38:39,765 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:38:39,765 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 12:38:39,765 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-23 12:38:39,765 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 12:38:39,766 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2018-11-23 12:38:39,816 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 12:38:39,817 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 12:38:39,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 12:38:39,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 12:38:39,817 INFO L87 Difference]: Start difference. First operand 751 states and 1056 transitions. Second operand 3 states. [2018-11-23 12:38:42,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:38:42,634 INFO L93 Difference]: Finished difference Result 871 states and 1204 transitions. [2018-11-23 12:38:42,634 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 12:38:42,634 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-23 12:38:42,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:38:42,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 12:38:42,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 859 transitions. [2018-11-23 12:38:42,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 12:38:42,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 859 transitions. [2018-11-23 12:38:42,646 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 859 transitions. [2018-11-23 12:38:43,462 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 12:38:43,498 INFO L225 Difference]: With dead ends: 871 [2018-11-23 12:38:43,498 INFO L226 Difference]: Without dead ends: 775 [2018-11-23 12:38:43,499 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 12:38:43,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 775 states. [2018-11-23 12:38:46,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 775 to 750. [2018-11-23 12:38:46,673 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 12:38:46,673 INFO L82 GeneralOperation]: Start isEquivalent. First operand 775 states. Second operand 750 states. [2018-11-23 12:38:46,673 INFO L74 IsIncluded]: Start isIncluded. First operand 775 states. Second operand 750 states. [2018-11-23 12:38:46,673 INFO L87 Difference]: Start difference. First operand 775 states. Second operand 750 states. [2018-11-23 12:38:46,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:38:46,712 INFO L93 Difference]: Finished difference Result 775 states and 1080 transitions. [2018-11-23 12:38:46,712 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states and 1080 transitions. [2018-11-23 12:38:46,714 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:38:46,714 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:38:46,714 INFO L74 IsIncluded]: Start isIncluded. First operand 750 states. Second operand 775 states. [2018-11-23 12:38:46,715 INFO L87 Difference]: Start difference. First operand 750 states. Second operand 775 states. [2018-11-23 12:38:46,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:38:46,750 INFO L93 Difference]: Finished difference Result 775 states and 1080 transitions. [2018-11-23 12:38:46,750 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states and 1080 transitions. [2018-11-23 12:38:46,751 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:38:46,752 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:38:46,752 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 12:38:46,752 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 12:38:46,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 750 states. [2018-11-23 12:38:46,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 750 states and 1051 transitions. [2018-11-23 12:38:46,778 INFO L78 Accepts]: Start accepts. Automaton has 750 states and 1051 transitions. Word has length 47 [2018-11-23 12:38:46,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:38:46,778 INFO L480 AbstractCegarLoop]: Abstraction has 750 states and 1051 transitions. [2018-11-23 12:38:46,778 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 12:38:46,778 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 1051 transitions. [2018-11-23 12:38:46,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-23 12:38:46,779 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:38:46,780 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 12:38:46,780 INFO L423 AbstractCegarLoop]: === Iteration 12 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:38:46,780 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:38:46,780 INFO L82 PathProgramCache]: Analyzing trace with hash -753875003, now seen corresponding path program 1 times [2018-11-23 12:38:46,780 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:38:46,780 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:38:46,781 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:38:46,781 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:38:46,781 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:38:46,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:38:47,016 INFO L256 TraceCheckUtils]: 0: Hoare triple {46399#true} call ULTIMATE.init(); {46399#true} is VALID [2018-11-23 12:38:47,016 INFO L273 TraceCheckUtils]: 1: Hoare triple {46399#true} ~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compFptr~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~routine~0 := 0;~myStatus~0 := 0;~pirp~0 := 0;~Executive~0 := 0;~Suspended~0 := 0;~KernelMode~0 := 0;~DeviceUsageTypePaging~0 := 0; {46399#true} is VALID [2018-11-23 12:38:47,017 INFO L273 TraceCheckUtils]: 2: Hoare triple {46399#true} assume true; {46399#true} is VALID [2018-11-23 12:38:47,017 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {46399#true} {46399#true} #1496#return; {46399#true} is VALID [2018-11-23 12:38:47,017 INFO L256 TraceCheckUtils]: 4: Hoare triple {46399#true} call #t~ret176 := main(); {46399#true} is VALID [2018-11-23 12:38:47,017 INFO L273 TraceCheckUtils]: 5: Hoare triple {46399#true} havoc ~pirp__IoStatus__Status~0;assume -2147483648 <= #t~nondet150 && #t~nondet150 <= 2147483647;~d~0 := #t~nondet150;havoc #t~nondet150;assume -2147483648 <= #t~nondet151 && #t~nondet151 <= 2147483647;~status~9 := #t~nondet151;havoc #t~nondet151;assume -2147483648 <= #t~nondet152 && #t~nondet152 <= 2147483647;~irp~1 := #t~nondet152;havoc #t~nondet152;assume -2147483648 <= #t~nondet153 && #t~nondet153 <= 2147483647;~we_should_unload~0 := #t~nondet153;havoc #t~nondet153;assume -2147483648 <= #t~nondet154 && #t~nondet154 <= 2147483647;~irp_choice~0 := #t~nondet154;havoc #t~nondet154;assume -2147483648 <= #t~nondet155 && #t~nondet155 <= 2147483647;~devobj~0 := #t~nondet155;havoc #t~nondet155;havoc ~__cil_tmp9~1;~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compFptr~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~routine~0 := 0;~myStatus~0 := 0;~pirp~0 := 0;~Executive~0 := 0;~Suspended~0 := 5;~KernelMode~0 := 0;~DeviceUsageTypePaging~0 := 1;~pirp~0 := ~irp~1; {46399#true} is VALID [2018-11-23 12:38:47,017 INFO L256 TraceCheckUtils]: 6: Hoare triple {46399#true} call _BLAST_init(); {46399#true} is VALID [2018-11-23 12:38:47,018 INFO L273 TraceCheckUtils]: 7: Hoare triple {46399#true} ~UNLOADED~0 := 0;~NP~0 := 1;~DC~0 := 2;~SKIP1~0 := 3;~SKIP2~0 := 4;~MPR1~0 := 5;~MPR3~0 := 6;~IPC~0 := 7;~s~0 := ~UNLOADED~0;~pended~0 := 0;~compFptr~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0; {46399#true} is VALID [2018-11-23 12:38:47,018 INFO L273 TraceCheckUtils]: 8: Hoare triple {46399#true} assume true; {46399#true} is VALID [2018-11-23 12:38:47,018 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {46399#true} {46399#true} #1364#return; {46399#true} is VALID [2018-11-23 12:38:47,018 INFO L273 TraceCheckUtils]: 10: Hoare triple {46399#true} assume ~status~9 >= 0;~s~0 := ~NP~0;~customIrp~0 := 0;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0;~pirp__IoStatus__Status~0 := 0;~myStatus~0 := 0; {46399#true} is VALID [2018-11-23 12:38:47,018 INFO L273 TraceCheckUtils]: 11: Hoare triple {46399#true} assume 0 == ~irp_choice~0;~pirp__IoStatus__Status~0 := -1073741637;~myStatus~0 := -1073741637; {46399#true} is VALID [2018-11-23 12:38:47,019 INFO L256 TraceCheckUtils]: 12: Hoare triple {46399#true} call stub_driver_init(); {46399#true} is VALID [2018-11-23 12:38:47,019 INFO L273 TraceCheckUtils]: 13: Hoare triple {46399#true} ~s~0 := ~NP~0;~customIrp~0 := 0;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0; {46399#true} is VALID [2018-11-23 12:38:47,019 INFO L273 TraceCheckUtils]: 14: Hoare triple {46399#true} assume true; {46399#true} is VALID [2018-11-23 12:38:47,019 INFO L268 TraceCheckUtils]: 15: Hoare quadruple {46399#true} {46399#true} #1366#return; {46399#true} is VALID [2018-11-23 12:38:47,019 INFO L273 TraceCheckUtils]: 16: Hoare triple {46399#true} assume !(~status~9 < 0);havoc ~tmp_ndt_1~0;assume -2147483648 <= #t~nondet156 && #t~nondet156 <= 2147483647;~tmp_ndt_1~0 := #t~nondet156;havoc #t~nondet156; {46399#true} is VALID [2018-11-23 12:38:47,020 INFO L273 TraceCheckUtils]: 17: Hoare triple {46399#true} assume !(2 == ~tmp_ndt_1~0);havoc ~tmp_ndt_2~0;assume -2147483648 <= #t~nondet157 && #t~nondet157 <= 2147483647;~tmp_ndt_2~0 := #t~nondet157;havoc #t~nondet157; {46399#true} is VALID [2018-11-23 12:38:47,020 INFO L273 TraceCheckUtils]: 18: Hoare triple {46399#true} assume !(3 == ~tmp_ndt_2~0);havoc ~tmp_ndt_3~0;assume -2147483648 <= #t~nondet158 && #t~nondet158 <= 2147483647;~tmp_ndt_3~0 := #t~nondet158;havoc #t~nondet158; {46399#true} is VALID [2018-11-23 12:38:47,020 INFO L273 TraceCheckUtils]: 19: Hoare triple {46399#true} assume 4 == ~tmp_ndt_3~0; {46399#true} is VALID [2018-11-23 12:38:47,020 INFO L256 TraceCheckUtils]: 20: Hoare triple {46399#true} call #t~ret161 := CdAudioPower(~devobj~0, ~pirp~0); {46399#true} is VALID [2018-11-23 12:38:47,020 INFO L273 TraceCheckUtils]: 21: Hoare triple {46399#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;assume -2147483648 <= #t~nondet144 && #t~nondet144 <= 2147483647;~Irp__CurrentLocation~1 := #t~nondet144;havoc #t~nondet144;assume -2147483648 <= #t~nondet145 && #t~nondet145 <= 2147483647;~Irp__Tail__Overlay__CurrentStackLocation~3 := #t~nondet145;havoc #t~nondet145;assume -2147483648 <= #t~nondet146 && #t~nondet146 <= 2147483647;~deviceExtension__TargetDeviceObject~4 := #t~nondet146;havoc #t~nondet146;havoc ~tmp~7; {46399#true} is VALID [2018-11-23 12:38:47,020 INFO L273 TraceCheckUtils]: 22: Hoare triple {46399#true} assume ~s~0 == ~NP~0;~s~0 := ~SKIP1~0; {46399#true} is VALID [2018-11-23 12:38:47,021 INFO L273 TraceCheckUtils]: 23: Hoare triple {46399#true} #t~post147 := ~Irp__CurrentLocation~1;~Irp__CurrentLocation~1 := 1 + #t~post147;havoc #t~post147;#t~post148 := ~Irp__Tail__Overlay__CurrentStackLocation~3;~Irp__Tail__Overlay__CurrentStackLocation~3 := 1 + #t~post148;havoc #t~post148; {46399#true} is VALID [2018-11-23 12:38:47,021 INFO L256 TraceCheckUtils]: 24: Hoare triple {46399#true} call #t~ret149 := PoCallDriver(~deviceExtension__TargetDeviceObject~4, ~Irp); {46399#true} is VALID [2018-11-23 12:38:47,021 INFO L273 TraceCheckUtils]: 25: Hoare triple {46399#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;havoc ~compRetStatus~1;havoc ~returnVal~0;assume -2147483648 <= #t~nondet170 && #t~nondet170 <= 2147483647;~lcontext~1 := #t~nondet170;havoc #t~nondet170;havoc ~__cil_tmp7~0;havoc ~__cil_tmp8~2; {46399#true} is VALID [2018-11-23 12:38:47,021 INFO L273 TraceCheckUtils]: 26: Hoare triple {46399#true} assume !(0 != ~compRegistered~0); {46399#true} is VALID [2018-11-23 12:38:47,022 INFO L273 TraceCheckUtils]: 27: Hoare triple {46399#true} havoc ~tmp_ndt_8~0;assume -2147483648 <= #t~nondet173 && #t~nondet173 <= 2147483647;~tmp_ndt_8~0 := #t~nondet173;havoc #t~nondet173; {46399#true} is VALID [2018-11-23 12:38:47,022 INFO L273 TraceCheckUtils]: 28: Hoare triple {46399#true} assume 0 == ~tmp_ndt_8~0; {46399#true} is VALID [2018-11-23 12:38:47,022 INFO L273 TraceCheckUtils]: 29: Hoare triple {46399#true} ~returnVal~0 := 0; {46399#true} is VALID [2018-11-23 12:38:47,035 INFO L273 TraceCheckUtils]: 30: Hoare triple {46399#true} assume ~s~0 == ~NP~0;~s~0 := ~IPC~0;~lowerDriverReturn~0 := ~returnVal~0; {46401#(= ~IPC~0 ~s~0)} is VALID [2018-11-23 12:38:47,036 INFO L273 TraceCheckUtils]: 31: Hoare triple {46401#(= ~IPC~0 ~s~0)} #res := ~returnVal~0; {46401#(= ~IPC~0 ~s~0)} is VALID [2018-11-23 12:38:47,037 INFO L273 TraceCheckUtils]: 32: Hoare triple {46401#(= ~IPC~0 ~s~0)} assume true; {46401#(= ~IPC~0 ~s~0)} is VALID [2018-11-23 12:38:47,047 INFO L268 TraceCheckUtils]: 33: Hoare quadruple {46401#(= ~IPC~0 ~s~0)} {46399#true} #1408#return; {46401#(= ~IPC~0 ~s~0)} is VALID [2018-11-23 12:38:47,047 INFO L273 TraceCheckUtils]: 34: Hoare triple {46401#(= ~IPC~0 ~s~0)} assume -2147483648 <= #t~ret149 && #t~ret149 <= 2147483647;~tmp~7 := #t~ret149;havoc #t~ret149;#res := ~tmp~7; {46401#(= ~IPC~0 ~s~0)} is VALID [2018-11-23 12:38:47,048 INFO L273 TraceCheckUtils]: 35: Hoare triple {46401#(= ~IPC~0 ~s~0)} assume true; {46401#(= ~IPC~0 ~s~0)} is VALID [2018-11-23 12:38:47,048 INFO L268 TraceCheckUtils]: 36: Hoare quadruple {46401#(= ~IPC~0 ~s~0)} {46399#true} #1372#return; {46401#(= ~IPC~0 ~s~0)} is VALID [2018-11-23 12:38:47,049 INFO L273 TraceCheckUtils]: 37: Hoare triple {46401#(= ~IPC~0 ~s~0)} assume -2147483648 <= #t~ret161 && #t~ret161 <= 2147483647;~status~9 := #t~ret161;havoc #t~ret161; {46401#(= ~IPC~0 ~s~0)} is VALID [2018-11-23 12:38:47,049 INFO L273 TraceCheckUtils]: 38: Hoare triple {46401#(= ~IPC~0 ~s~0)} assume !(0 != ~we_should_unload~0); {46401#(= ~IPC~0 ~s~0)} is VALID [2018-11-23 12:38:47,052 INFO L273 TraceCheckUtils]: 39: Hoare triple {46401#(= ~IPC~0 ~s~0)} assume !(1 == ~pended~0); {46401#(= ~IPC~0 ~s~0)} is VALID [2018-11-23 12:38:47,052 INFO L273 TraceCheckUtils]: 40: Hoare triple {46401#(= ~IPC~0 ~s~0)} assume !(1 == ~pended~0); {46401#(= ~IPC~0 ~s~0)} is VALID [2018-11-23 12:38:47,054 INFO L273 TraceCheckUtils]: 41: Hoare triple {46401#(= ~IPC~0 ~s~0)} assume ~s~0 != ~UNLOADED~0; {46401#(= ~IPC~0 ~s~0)} is VALID [2018-11-23 12:38:47,054 INFO L273 TraceCheckUtils]: 42: Hoare triple {46401#(= ~IPC~0 ~s~0)} assume -1 != ~status~9; {46401#(= ~IPC~0 ~s~0)} is VALID [2018-11-23 12:38:47,056 INFO L273 TraceCheckUtils]: 43: Hoare triple {46401#(= ~IPC~0 ~s~0)} assume ~s~0 != ~SKIP2~0; {46401#(= ~IPC~0 ~s~0)} is VALID [2018-11-23 12:38:47,056 INFO L273 TraceCheckUtils]: 44: Hoare triple {46401#(= ~IPC~0 ~s~0)} assume ~s~0 != ~IPC~0; {46400#false} is VALID [2018-11-23 12:38:47,056 INFO L273 TraceCheckUtils]: 45: Hoare triple {46400#false} assume ~s~0 != ~DC~0; {46400#false} is VALID [2018-11-23 12:38:47,056 INFO L256 TraceCheckUtils]: 46: Hoare triple {46400#false} call errorFn(); {46400#false} is VALID [2018-11-23 12:38:47,056 INFO L273 TraceCheckUtils]: 47: Hoare triple {46400#false} assume !false; {46400#false} is VALID [2018-11-23 12:38:47,058 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 12:38:47,058 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:38:47,058 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 12:38:47,058 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-11-23 12:38:47,058 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 12:38:47,058 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2018-11-23 12:38:47,108 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 12:38:47,109 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 12:38:47,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 12:38:47,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 12:38:47,110 INFO L87 Difference]: Start difference. First operand 750 states and 1051 transitions. Second operand 3 states. [2018-11-23 12:38:52,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:38:52,142 INFO L93 Difference]: Finished difference Result 938 states and 1298 transitions. [2018-11-23 12:38:52,142 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 12:38:52,142 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-11-23 12:38:52,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:38:52,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 12:38:52,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 888 transitions. [2018-11-23 12:38:52,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 12:38:52,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 888 transitions. [2018-11-23 12:38:52,157 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 888 transitions. [2018-11-23 12:38:52,947 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 12:38:52,993 INFO L225 Difference]: With dead ends: 938 [2018-11-23 12:38:52,993 INFO L226 Difference]: Without dead ends: 928 [2018-11-23 12:38:52,994 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 12:38:52,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 928 states. [2018-11-23 12:38:54,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 928 to 825. [2018-11-23 12:38:54,796 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 12:38:54,796 INFO L82 GeneralOperation]: Start isEquivalent. First operand 928 states. Second operand 825 states. [2018-11-23 12:38:54,796 INFO L74 IsIncluded]: Start isIncluded. First operand 928 states. Second operand 825 states. [2018-11-23 12:38:54,796 INFO L87 Difference]: Start difference. First operand 928 states. Second operand 825 states. [2018-11-23 12:38:54,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:38:54,832 INFO L93 Difference]: Finished difference Result 928 states and 1286 transitions. [2018-11-23 12:38:54,832 INFO L276 IsEmpty]: Start isEmpty. Operand 928 states and 1286 transitions. [2018-11-23 12:38:54,834 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:38:54,834 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:38:54,834 INFO L74 IsIncluded]: Start isIncluded. First operand 825 states. Second operand 928 states. [2018-11-23 12:38:54,834 INFO L87 Difference]: Start difference. First operand 825 states. Second operand 928 states. [2018-11-23 12:38:54,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:38:54,866 INFO L93 Difference]: Finished difference Result 928 states and 1286 transitions. [2018-11-23 12:38:54,866 INFO L276 IsEmpty]: Start isEmpty. Operand 928 states and 1286 transitions. [2018-11-23 12:38:54,868 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:38:54,868 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:38:54,868 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 12:38:54,868 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 12:38:54,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 825 states. [2018-11-23 12:38:54,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 825 states to 825 states and 1138 transitions. [2018-11-23 12:38:54,898 INFO L78 Accepts]: Start accepts. Automaton has 825 states and 1138 transitions. Word has length 48 [2018-11-23 12:38:54,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:38:54,899 INFO L480 AbstractCegarLoop]: Abstraction has 825 states and 1138 transitions. [2018-11-23 12:38:54,899 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 12:38:54,899 INFO L276 IsEmpty]: Start isEmpty. Operand 825 states and 1138 transitions. [2018-11-23 12:38:54,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-23 12:38:54,900 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:38:54,900 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 12:38:54,901 INFO L423 AbstractCegarLoop]: === Iteration 13 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:38:54,901 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:38:54,901 INFO L82 PathProgramCache]: Analyzing trace with hash -1451417877, now seen corresponding path program 1 times [2018-11-23 12:38:54,901 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:38:54,901 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:38:54,902 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:38:54,902 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:38:54,902 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:38:54,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:38:55,047 INFO L256 TraceCheckUtils]: 0: Hoare triple {50553#true} call ULTIMATE.init(); {50553#true} is VALID [2018-11-23 12:38:55,047 INFO L273 TraceCheckUtils]: 1: Hoare triple {50553#true} ~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compFptr~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~routine~0 := 0;~myStatus~0 := 0;~pirp~0 := 0;~Executive~0 := 0;~Suspended~0 := 0;~KernelMode~0 := 0;~DeviceUsageTypePaging~0 := 0; {50553#true} is VALID [2018-11-23 12:38:55,047 INFO L273 TraceCheckUtils]: 2: Hoare triple {50553#true} assume true; {50553#true} is VALID [2018-11-23 12:38:55,048 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {50553#true} {50553#true} #1496#return; {50553#true} is VALID [2018-11-23 12:38:55,048 INFO L256 TraceCheckUtils]: 4: Hoare triple {50553#true} call #t~ret176 := main(); {50553#true} is VALID [2018-11-23 12:38:55,048 INFO L273 TraceCheckUtils]: 5: Hoare triple {50553#true} havoc ~pirp__IoStatus__Status~0;assume -2147483648 <= #t~nondet150 && #t~nondet150 <= 2147483647;~d~0 := #t~nondet150;havoc #t~nondet150;assume -2147483648 <= #t~nondet151 && #t~nondet151 <= 2147483647;~status~9 := #t~nondet151;havoc #t~nondet151;assume -2147483648 <= #t~nondet152 && #t~nondet152 <= 2147483647;~irp~1 := #t~nondet152;havoc #t~nondet152;assume -2147483648 <= #t~nondet153 && #t~nondet153 <= 2147483647;~we_should_unload~0 := #t~nondet153;havoc #t~nondet153;assume -2147483648 <= #t~nondet154 && #t~nondet154 <= 2147483647;~irp_choice~0 := #t~nondet154;havoc #t~nondet154;assume -2147483648 <= #t~nondet155 && #t~nondet155 <= 2147483647;~devobj~0 := #t~nondet155;havoc #t~nondet155;havoc ~__cil_tmp9~1;~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compFptr~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~routine~0 := 0;~myStatus~0 := 0;~pirp~0 := 0;~Executive~0 := 0;~Suspended~0 := 5;~KernelMode~0 := 0;~DeviceUsageTypePaging~0 := 1;~pirp~0 := ~irp~1; {50553#true} is VALID [2018-11-23 12:38:55,048 INFO L256 TraceCheckUtils]: 6: Hoare triple {50553#true} call _BLAST_init(); {50553#true} is VALID [2018-11-23 12:38:55,049 INFO L273 TraceCheckUtils]: 7: Hoare triple {50553#true} ~UNLOADED~0 := 0;~NP~0 := 1;~DC~0 := 2;~SKIP1~0 := 3;~SKIP2~0 := 4;~MPR1~0 := 5;~MPR3~0 := 6;~IPC~0 := 7;~s~0 := ~UNLOADED~0;~pended~0 := 0;~compFptr~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0; {50553#true} is VALID [2018-11-23 12:38:55,049 INFO L273 TraceCheckUtils]: 8: Hoare triple {50553#true} assume true; {50553#true} is VALID [2018-11-23 12:38:55,049 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {50553#true} {50553#true} #1364#return; {50553#true} is VALID [2018-11-23 12:38:55,049 INFO L273 TraceCheckUtils]: 10: Hoare triple {50553#true} assume ~status~9 >= 0;~s~0 := ~NP~0;~customIrp~0 := 0;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0;~pirp__IoStatus__Status~0 := 0;~myStatus~0 := 0; {50553#true} is VALID [2018-11-23 12:38:55,049 INFO L273 TraceCheckUtils]: 11: Hoare triple {50553#true} assume 0 == ~irp_choice~0;~pirp__IoStatus__Status~0 := -1073741637;~myStatus~0 := -1073741637; {50553#true} is VALID [2018-11-23 12:38:55,050 INFO L256 TraceCheckUtils]: 12: Hoare triple {50553#true} call stub_driver_init(); {50553#true} is VALID [2018-11-23 12:38:55,050 INFO L273 TraceCheckUtils]: 13: Hoare triple {50553#true} ~s~0 := ~NP~0;~customIrp~0 := 0;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0; {50553#true} is VALID [2018-11-23 12:38:55,050 INFO L273 TraceCheckUtils]: 14: Hoare triple {50553#true} assume true; {50553#true} is VALID [2018-11-23 12:38:55,050 INFO L268 TraceCheckUtils]: 15: Hoare quadruple {50553#true} {50553#true} #1366#return; {50553#true} is VALID [2018-11-23 12:38:55,050 INFO L273 TraceCheckUtils]: 16: Hoare triple {50553#true} assume !(~status~9 < 0);havoc ~tmp_ndt_1~0;assume -2147483648 <= #t~nondet156 && #t~nondet156 <= 2147483647;~tmp_ndt_1~0 := #t~nondet156;havoc #t~nondet156; {50553#true} is VALID [2018-11-23 12:38:55,050 INFO L273 TraceCheckUtils]: 17: Hoare triple {50553#true} assume !(2 == ~tmp_ndt_1~0);havoc ~tmp_ndt_2~0;assume -2147483648 <= #t~nondet157 && #t~nondet157 <= 2147483647;~tmp_ndt_2~0 := #t~nondet157;havoc #t~nondet157; {50553#true} is VALID [2018-11-23 12:38:55,050 INFO L273 TraceCheckUtils]: 18: Hoare triple {50553#true} assume !(3 == ~tmp_ndt_2~0);havoc ~tmp_ndt_3~0;assume -2147483648 <= #t~nondet158 && #t~nondet158 <= 2147483647;~tmp_ndt_3~0 := #t~nondet158;havoc #t~nondet158; {50553#true} is VALID [2018-11-23 12:38:55,050 INFO L273 TraceCheckUtils]: 19: Hoare triple {50553#true} assume 4 == ~tmp_ndt_3~0; {50553#true} is VALID [2018-11-23 12:38:55,051 INFO L256 TraceCheckUtils]: 20: Hoare triple {50553#true} call #t~ret161 := CdAudioPower(~devobj~0, ~pirp~0); {50553#true} is VALID [2018-11-23 12:38:55,051 INFO L273 TraceCheckUtils]: 21: Hoare triple {50553#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;assume -2147483648 <= #t~nondet144 && #t~nondet144 <= 2147483647;~Irp__CurrentLocation~1 := #t~nondet144;havoc #t~nondet144;assume -2147483648 <= #t~nondet145 && #t~nondet145 <= 2147483647;~Irp__Tail__Overlay__CurrentStackLocation~3 := #t~nondet145;havoc #t~nondet145;assume -2147483648 <= #t~nondet146 && #t~nondet146 <= 2147483647;~deviceExtension__TargetDeviceObject~4 := #t~nondet146;havoc #t~nondet146;havoc ~tmp~7; {50553#true} is VALID [2018-11-23 12:38:55,051 INFO L273 TraceCheckUtils]: 22: Hoare triple {50553#true} assume ~s~0 == ~NP~0;~s~0 := ~SKIP1~0; {50553#true} is VALID [2018-11-23 12:38:55,051 INFO L273 TraceCheckUtils]: 23: Hoare triple {50553#true} #t~post147 := ~Irp__CurrentLocation~1;~Irp__CurrentLocation~1 := 1 + #t~post147;havoc #t~post147;#t~post148 := ~Irp__Tail__Overlay__CurrentStackLocation~3;~Irp__Tail__Overlay__CurrentStackLocation~3 := 1 + #t~post148;havoc #t~post148; {50553#true} is VALID [2018-11-23 12:38:55,051 INFO L256 TraceCheckUtils]: 24: Hoare triple {50553#true} call #t~ret149 := PoCallDriver(~deviceExtension__TargetDeviceObject~4, ~Irp); {50553#true} is VALID [2018-11-23 12:38:55,051 INFO L273 TraceCheckUtils]: 25: Hoare triple {50553#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;havoc ~compRetStatus~1;havoc ~returnVal~0;assume -2147483648 <= #t~nondet170 && #t~nondet170 <= 2147483647;~lcontext~1 := #t~nondet170;havoc #t~nondet170;havoc ~__cil_tmp7~0;havoc ~__cil_tmp8~2; {50553#true} is VALID [2018-11-23 12:38:55,051 INFO L273 TraceCheckUtils]: 26: Hoare triple {50553#true} assume !(0 != ~compRegistered~0); {50553#true} is VALID [2018-11-23 12:38:55,052 INFO L273 TraceCheckUtils]: 27: Hoare triple {50553#true} havoc ~tmp_ndt_8~0;assume -2147483648 <= #t~nondet173 && #t~nondet173 <= 2147483647;~tmp_ndt_8~0 := #t~nondet173;havoc #t~nondet173; {50553#true} is VALID [2018-11-23 12:38:55,052 INFO L273 TraceCheckUtils]: 28: Hoare triple {50553#true} assume 0 == ~tmp_ndt_8~0; {50553#true} is VALID [2018-11-23 12:38:55,052 INFO L273 TraceCheckUtils]: 29: Hoare triple {50553#true} ~returnVal~0 := 0; {50553#true} is VALID [2018-11-23 12:38:55,052 INFO L273 TraceCheckUtils]: 30: Hoare triple {50553#true} assume ~s~0 == ~NP~0;~s~0 := ~IPC~0;~lowerDriverReturn~0 := ~returnVal~0; {50555#(= ~lowerDriverReturn~0 PoCallDriver_~returnVal~0)} is VALID [2018-11-23 12:38:55,053 INFO L273 TraceCheckUtils]: 31: Hoare triple {50555#(= ~lowerDriverReturn~0 PoCallDriver_~returnVal~0)} #res := ~returnVal~0; {50556#(= ~lowerDriverReturn~0 |PoCallDriver_#res|)} is VALID [2018-11-23 12:38:55,053 INFO L273 TraceCheckUtils]: 32: Hoare triple {50556#(= ~lowerDriverReturn~0 |PoCallDriver_#res|)} assume true; {50556#(= ~lowerDriverReturn~0 |PoCallDriver_#res|)} is VALID [2018-11-23 12:38:55,054 INFO L268 TraceCheckUtils]: 33: Hoare quadruple {50556#(= ~lowerDriverReturn~0 |PoCallDriver_#res|)} {50553#true} #1408#return; {50557#(= ~lowerDriverReturn~0 |CdAudioPower_#t~ret149|)} is VALID [2018-11-23 12:38:55,054 INFO L273 TraceCheckUtils]: 34: Hoare triple {50557#(= ~lowerDriverReturn~0 |CdAudioPower_#t~ret149|)} assume -2147483648 <= #t~ret149 && #t~ret149 <= 2147483647;~tmp~7 := #t~ret149;havoc #t~ret149;#res := ~tmp~7; {50558#(= ~lowerDriverReturn~0 |CdAudioPower_#res|)} is VALID [2018-11-23 12:38:55,055 INFO L273 TraceCheckUtils]: 35: Hoare triple {50558#(= ~lowerDriverReturn~0 |CdAudioPower_#res|)} assume true; {50558#(= ~lowerDriverReturn~0 |CdAudioPower_#res|)} is VALID [2018-11-23 12:38:55,055 INFO L268 TraceCheckUtils]: 36: Hoare quadruple {50558#(= ~lowerDriverReturn~0 |CdAudioPower_#res|)} {50553#true} #1372#return; {50559#(= ~lowerDriverReturn~0 |main_#t~ret161|)} is VALID [2018-11-23 12:38:55,056 INFO L273 TraceCheckUtils]: 37: Hoare triple {50559#(= ~lowerDriverReturn~0 |main_#t~ret161|)} assume -2147483648 <= #t~ret161 && #t~ret161 <= 2147483647;~status~9 := #t~ret161;havoc #t~ret161; {50560#(= ~lowerDriverReturn~0 main_~status~9)} is VALID [2018-11-23 12:38:55,056 INFO L273 TraceCheckUtils]: 38: Hoare triple {50560#(= ~lowerDriverReturn~0 main_~status~9)} assume !(0 != ~we_should_unload~0); {50560#(= ~lowerDriverReturn~0 main_~status~9)} is VALID [2018-11-23 12:38:55,056 INFO L273 TraceCheckUtils]: 39: Hoare triple {50560#(= ~lowerDriverReturn~0 main_~status~9)} assume !(1 == ~pended~0); {50560#(= ~lowerDriverReturn~0 main_~status~9)} is VALID [2018-11-23 12:38:55,057 INFO L273 TraceCheckUtils]: 40: Hoare triple {50560#(= ~lowerDriverReturn~0 main_~status~9)} assume !(1 == ~pended~0); {50560#(= ~lowerDriverReturn~0 main_~status~9)} is VALID [2018-11-23 12:38:55,057 INFO L273 TraceCheckUtils]: 41: Hoare triple {50560#(= ~lowerDriverReturn~0 main_~status~9)} assume ~s~0 != ~UNLOADED~0; {50560#(= ~lowerDriverReturn~0 main_~status~9)} is VALID [2018-11-23 12:38:55,058 INFO L273 TraceCheckUtils]: 42: Hoare triple {50560#(= ~lowerDriverReturn~0 main_~status~9)} assume -1 != ~status~9; {50560#(= ~lowerDriverReturn~0 main_~status~9)} is VALID [2018-11-23 12:38:55,058 INFO L273 TraceCheckUtils]: 43: Hoare triple {50560#(= ~lowerDriverReturn~0 main_~status~9)} assume !(~s~0 != ~SKIP2~0); {50560#(= ~lowerDriverReturn~0 main_~status~9)} is VALID [2018-11-23 12:38:55,059 INFO L273 TraceCheckUtils]: 44: Hoare triple {50560#(= ~lowerDriverReturn~0 main_~status~9)} assume 1 != ~pended~0; {50560#(= ~lowerDriverReturn~0 main_~status~9)} is VALID [2018-11-23 12:38:55,059 INFO L273 TraceCheckUtils]: 45: Hoare triple {50560#(= ~lowerDriverReturn~0 main_~status~9)} assume !(~s~0 == ~DC~0); {50560#(= ~lowerDriverReturn~0 main_~status~9)} is VALID [2018-11-23 12:38:55,060 INFO L273 TraceCheckUtils]: 46: Hoare triple {50560#(= ~lowerDriverReturn~0 main_~status~9)} assume ~status~9 != ~lowerDriverReturn~0; {50554#false} is VALID [2018-11-23 12:38:55,060 INFO L256 TraceCheckUtils]: 47: Hoare triple {50554#false} call errorFn(); {50554#false} is VALID [2018-11-23 12:38:55,060 INFO L273 TraceCheckUtils]: 48: Hoare triple {50554#false} assume !false; {50554#false} is VALID [2018-11-23 12:38:55,062 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 12:38:55,063 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:38:55,063 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-23 12:38:55,063 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 49 [2018-11-23 12:38:55,064 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 12:38:55,064 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2018-11-23 12:38:55,276 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 12:38:55,276 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 12:38:55,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 12:38:55,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 12:38:55,277 INFO L87 Difference]: Start difference. First operand 825 states and 1138 transitions. Second operand 8 states. [2018-11-23 12:39:04,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:39:04,576 INFO L93 Difference]: Finished difference Result 851 states and 1172 transitions. [2018-11-23 12:39:04,576 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 12:39:04,576 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 49 [2018-11-23 12:39:04,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:39:04,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2018-11-23 12:39:04,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 725 transitions. [2018-11-23 12:39:04,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2018-11-23 12:39:04,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 725 transitions. [2018-11-23 12:39:04,593 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 725 transitions. [2018-11-23 12:39:05,286 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 725 edges. 725 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:39:05,326 INFO L225 Difference]: With dead ends: 851 [2018-11-23 12:39:05,326 INFO L226 Difference]: Without dead ends: 847 [2018-11-23 12:39:05,326 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-11-23 12:39:05,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 847 states. [2018-11-23 12:39:06,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 847 to 844. [2018-11-23 12:39:06,685 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 12:39:06,686 INFO L82 GeneralOperation]: Start isEquivalent. First operand 847 states. Second operand 844 states. [2018-11-23 12:39:06,686 INFO L74 IsIncluded]: Start isIncluded. First operand 847 states. Second operand 844 states. [2018-11-23 12:39:06,686 INFO L87 Difference]: Start difference. First operand 847 states. Second operand 844 states. [2018-11-23 12:39:06,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:39:06,720 INFO L93 Difference]: Finished difference Result 847 states and 1168 transitions. [2018-11-23 12:39:06,720 INFO L276 IsEmpty]: Start isEmpty. Operand 847 states and 1168 transitions. [2018-11-23 12:39:06,721 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:39:06,721 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:39:06,722 INFO L74 IsIncluded]: Start isIncluded. First operand 844 states. Second operand 847 states. [2018-11-23 12:39:06,722 INFO L87 Difference]: Start difference. First operand 844 states. Second operand 847 states. [2018-11-23 12:39:06,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:39:06,753 INFO L93 Difference]: Finished difference Result 847 states and 1168 transitions. [2018-11-23 12:39:06,753 INFO L276 IsEmpty]: Start isEmpty. Operand 847 states and 1168 transitions. [2018-11-23 12:39:06,755 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:39:06,755 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:39:06,755 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 12:39:06,755 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 12:39:06,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 844 states. [2018-11-23 12:39:06,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 844 states and 1165 transitions. [2018-11-23 12:39:06,789 INFO L78 Accepts]: Start accepts. Automaton has 844 states and 1165 transitions. Word has length 49 [2018-11-23 12:39:06,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:39:06,790 INFO L480 AbstractCegarLoop]: Abstraction has 844 states and 1165 transitions. [2018-11-23 12:39:06,790 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 12:39:06,790 INFO L276 IsEmpty]: Start isEmpty. Operand 844 states and 1165 transitions. [2018-11-23 12:39:06,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-23 12:39:06,791 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:39:06,791 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 12:39:06,792 INFO L423 AbstractCegarLoop]: === Iteration 14 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:39:06,792 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:39:06,792 INFO L82 PathProgramCache]: Analyzing trace with hash -1451694707, now seen corresponding path program 1 times [2018-11-23 12:39:06,792 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:39:06,792 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:39:06,793 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:39:06,793 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:39:06,793 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:39:06,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:39:06,924 INFO L256 TraceCheckUtils]: 0: Hoare triple {54470#true} call ULTIMATE.init(); {54470#true} is VALID [2018-11-23 12:39:06,925 INFO L273 TraceCheckUtils]: 1: Hoare triple {54470#true} ~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compFptr~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~routine~0 := 0;~myStatus~0 := 0;~pirp~0 := 0;~Executive~0 := 0;~Suspended~0 := 0;~KernelMode~0 := 0;~DeviceUsageTypePaging~0 := 0; {54470#true} is VALID [2018-11-23 12:39:06,925 INFO L273 TraceCheckUtils]: 2: Hoare triple {54470#true} assume true; {54470#true} is VALID [2018-11-23 12:39:06,925 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {54470#true} {54470#true} #1496#return; {54470#true} is VALID [2018-11-23 12:39:06,925 INFO L256 TraceCheckUtils]: 4: Hoare triple {54470#true} call #t~ret176 := main(); {54470#true} is VALID [2018-11-23 12:39:06,925 INFO L273 TraceCheckUtils]: 5: Hoare triple {54470#true} havoc ~pirp__IoStatus__Status~0;assume -2147483648 <= #t~nondet150 && #t~nondet150 <= 2147483647;~d~0 := #t~nondet150;havoc #t~nondet150;assume -2147483648 <= #t~nondet151 && #t~nondet151 <= 2147483647;~status~9 := #t~nondet151;havoc #t~nondet151;assume -2147483648 <= #t~nondet152 && #t~nondet152 <= 2147483647;~irp~1 := #t~nondet152;havoc #t~nondet152;assume -2147483648 <= #t~nondet153 && #t~nondet153 <= 2147483647;~we_should_unload~0 := #t~nondet153;havoc #t~nondet153;assume -2147483648 <= #t~nondet154 && #t~nondet154 <= 2147483647;~irp_choice~0 := #t~nondet154;havoc #t~nondet154;assume -2147483648 <= #t~nondet155 && #t~nondet155 <= 2147483647;~devobj~0 := #t~nondet155;havoc #t~nondet155;havoc ~__cil_tmp9~1;~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compFptr~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~routine~0 := 0;~myStatus~0 := 0;~pirp~0 := 0;~Executive~0 := 0;~Suspended~0 := 5;~KernelMode~0 := 0;~DeviceUsageTypePaging~0 := 1;~pirp~0 := ~irp~1; {54470#true} is VALID [2018-11-23 12:39:06,926 INFO L256 TraceCheckUtils]: 6: Hoare triple {54470#true} call _BLAST_init(); {54470#true} is VALID [2018-11-23 12:39:06,926 INFO L273 TraceCheckUtils]: 7: Hoare triple {54470#true} ~UNLOADED~0 := 0;~NP~0 := 1;~DC~0 := 2;~SKIP1~0 := 3;~SKIP2~0 := 4;~MPR1~0 := 5;~MPR3~0 := 6;~IPC~0 := 7;~s~0 := ~UNLOADED~0;~pended~0 := 0;~compFptr~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0; {54470#true} is VALID [2018-11-23 12:39:06,926 INFO L273 TraceCheckUtils]: 8: Hoare triple {54470#true} assume true; {54470#true} is VALID [2018-11-23 12:39:06,926 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {54470#true} {54470#true} #1364#return; {54470#true} is VALID [2018-11-23 12:39:06,926 INFO L273 TraceCheckUtils]: 10: Hoare triple {54470#true} assume ~status~9 >= 0;~s~0 := ~NP~0;~customIrp~0 := 0;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0;~pirp__IoStatus__Status~0 := 0;~myStatus~0 := 0; {54470#true} is VALID [2018-11-23 12:39:06,927 INFO L273 TraceCheckUtils]: 11: Hoare triple {54470#true} assume 0 == ~irp_choice~0;~pirp__IoStatus__Status~0 := -1073741637;~myStatus~0 := -1073741637; {54470#true} is VALID [2018-11-23 12:39:06,927 INFO L256 TraceCheckUtils]: 12: Hoare triple {54470#true} call stub_driver_init(); {54470#true} is VALID [2018-11-23 12:39:06,927 INFO L273 TraceCheckUtils]: 13: Hoare triple {54470#true} ~s~0 := ~NP~0;~customIrp~0 := 0;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0; {54470#true} is VALID [2018-11-23 12:39:06,927 INFO L273 TraceCheckUtils]: 14: Hoare triple {54470#true} assume true; {54470#true} is VALID [2018-11-23 12:39:06,927 INFO L268 TraceCheckUtils]: 15: Hoare quadruple {54470#true} {54470#true} #1366#return; {54470#true} is VALID [2018-11-23 12:39:06,927 INFO L273 TraceCheckUtils]: 16: Hoare triple {54470#true} assume !(~status~9 < 0);havoc ~tmp_ndt_1~0;assume -2147483648 <= #t~nondet156 && #t~nondet156 <= 2147483647;~tmp_ndt_1~0 := #t~nondet156;havoc #t~nondet156; {54470#true} is VALID [2018-11-23 12:39:06,928 INFO L273 TraceCheckUtils]: 17: Hoare triple {54470#true} assume !(2 == ~tmp_ndt_1~0);havoc ~tmp_ndt_2~0;assume -2147483648 <= #t~nondet157 && #t~nondet157 <= 2147483647;~tmp_ndt_2~0 := #t~nondet157;havoc #t~nondet157; {54470#true} is VALID [2018-11-23 12:39:06,928 INFO L273 TraceCheckUtils]: 18: Hoare triple {54470#true} assume !(3 == ~tmp_ndt_2~0);havoc ~tmp_ndt_3~0;assume -2147483648 <= #t~nondet158 && #t~nondet158 <= 2147483647;~tmp_ndt_3~0 := #t~nondet158;havoc #t~nondet158; {54470#true} is VALID [2018-11-23 12:39:06,928 INFO L273 TraceCheckUtils]: 19: Hoare triple {54470#true} assume 4 == ~tmp_ndt_3~0; {54470#true} is VALID [2018-11-23 12:39:06,928 INFO L256 TraceCheckUtils]: 20: Hoare triple {54470#true} call #t~ret161 := CdAudioPower(~devobj~0, ~pirp~0); {54470#true} is VALID [2018-11-23 12:39:06,928 INFO L273 TraceCheckUtils]: 21: Hoare triple {54470#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;assume -2147483648 <= #t~nondet144 && #t~nondet144 <= 2147483647;~Irp__CurrentLocation~1 := #t~nondet144;havoc #t~nondet144;assume -2147483648 <= #t~nondet145 && #t~nondet145 <= 2147483647;~Irp__Tail__Overlay__CurrentStackLocation~3 := #t~nondet145;havoc #t~nondet145;assume -2147483648 <= #t~nondet146 && #t~nondet146 <= 2147483647;~deviceExtension__TargetDeviceObject~4 := #t~nondet146;havoc #t~nondet146;havoc ~tmp~7; {54470#true} is VALID [2018-11-23 12:39:06,928 INFO L273 TraceCheckUtils]: 22: Hoare triple {54470#true} assume ~s~0 == ~NP~0;~s~0 := ~SKIP1~0; {54470#true} is VALID [2018-11-23 12:39:06,929 INFO L273 TraceCheckUtils]: 23: Hoare triple {54470#true} #t~post147 := ~Irp__CurrentLocation~1;~Irp__CurrentLocation~1 := 1 + #t~post147;havoc #t~post147;#t~post148 := ~Irp__Tail__Overlay__CurrentStackLocation~3;~Irp__Tail__Overlay__CurrentStackLocation~3 := 1 + #t~post148;havoc #t~post148; {54470#true} is VALID [2018-11-23 12:39:06,929 INFO L256 TraceCheckUtils]: 24: Hoare triple {54470#true} call #t~ret149 := PoCallDriver(~deviceExtension__TargetDeviceObject~4, ~Irp); {54470#true} is VALID [2018-11-23 12:39:06,929 INFO L273 TraceCheckUtils]: 25: Hoare triple {54470#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;havoc ~compRetStatus~1;havoc ~returnVal~0;assume -2147483648 <= #t~nondet170 && #t~nondet170 <= 2147483647;~lcontext~1 := #t~nondet170;havoc #t~nondet170;havoc ~__cil_tmp7~0;havoc ~__cil_tmp8~2; {54470#true} is VALID [2018-11-23 12:39:06,929 INFO L273 TraceCheckUtils]: 26: Hoare triple {54470#true} assume !(0 != ~compRegistered~0); {54470#true} is VALID [2018-11-23 12:39:06,929 INFO L273 TraceCheckUtils]: 27: Hoare triple {54470#true} havoc ~tmp_ndt_8~0;assume -2147483648 <= #t~nondet173 && #t~nondet173 <= 2147483647;~tmp_ndt_8~0 := #t~nondet173;havoc #t~nondet173; {54470#true} is VALID [2018-11-23 12:39:06,930 INFO L273 TraceCheckUtils]: 28: Hoare triple {54470#true} assume 0 == ~tmp_ndt_8~0; {54470#true} is VALID [2018-11-23 12:39:06,943 INFO L273 TraceCheckUtils]: 29: Hoare triple {54470#true} ~returnVal~0 := 0; {54472#(= 0 PoCallDriver_~returnVal~0)} is VALID [2018-11-23 12:39:06,943 INFO L273 TraceCheckUtils]: 30: Hoare triple {54472#(= 0 PoCallDriver_~returnVal~0)} assume ~s~0 == ~NP~0;~s~0 := ~IPC~0;~lowerDriverReturn~0 := ~returnVal~0; {54472#(= 0 PoCallDriver_~returnVal~0)} is VALID [2018-11-23 12:39:06,945 INFO L273 TraceCheckUtils]: 31: Hoare triple {54472#(= 0 PoCallDriver_~returnVal~0)} #res := ~returnVal~0; {54473#(= 0 |PoCallDriver_#res|)} is VALID [2018-11-23 12:39:06,945 INFO L273 TraceCheckUtils]: 32: Hoare triple {54473#(= 0 |PoCallDriver_#res|)} assume true; {54473#(= 0 |PoCallDriver_#res|)} is VALID [2018-11-23 12:39:06,949 INFO L268 TraceCheckUtils]: 33: Hoare quadruple {54473#(= 0 |PoCallDriver_#res|)} {54470#true} #1408#return; {54474#(= 0 |CdAudioPower_#t~ret149|)} is VALID [2018-11-23 12:39:06,949 INFO L273 TraceCheckUtils]: 34: Hoare triple {54474#(= 0 |CdAudioPower_#t~ret149|)} assume -2147483648 <= #t~ret149 && #t~ret149 <= 2147483647;~tmp~7 := #t~ret149;havoc #t~ret149;#res := ~tmp~7; {54475#(= 0 |CdAudioPower_#res|)} is VALID [2018-11-23 12:39:06,950 INFO L273 TraceCheckUtils]: 35: Hoare triple {54475#(= 0 |CdAudioPower_#res|)} assume true; {54475#(= 0 |CdAudioPower_#res|)} is VALID [2018-11-23 12:39:06,950 INFO L268 TraceCheckUtils]: 36: Hoare quadruple {54475#(= 0 |CdAudioPower_#res|)} {54470#true} #1372#return; {54476#(= 0 |main_#t~ret161|)} is VALID [2018-11-23 12:39:06,951 INFO L273 TraceCheckUtils]: 37: Hoare triple {54476#(= 0 |main_#t~ret161|)} assume -2147483648 <= #t~ret161 && #t~ret161 <= 2147483647;~status~9 := #t~ret161;havoc #t~ret161; {54477#(= 0 main_~status~9)} is VALID [2018-11-23 12:39:06,951 INFO L273 TraceCheckUtils]: 38: Hoare triple {54477#(= 0 main_~status~9)} assume !(0 != ~we_should_unload~0); {54477#(= 0 main_~status~9)} is VALID [2018-11-23 12:39:06,951 INFO L273 TraceCheckUtils]: 39: Hoare triple {54477#(= 0 main_~status~9)} assume !(1 == ~pended~0); {54477#(= 0 main_~status~9)} is VALID [2018-11-23 12:39:06,952 INFO L273 TraceCheckUtils]: 40: Hoare triple {54477#(= 0 main_~status~9)} assume !(1 == ~pended~0); {54477#(= 0 main_~status~9)} is VALID [2018-11-23 12:39:06,952 INFO L273 TraceCheckUtils]: 41: Hoare triple {54477#(= 0 main_~status~9)} assume ~s~0 != ~UNLOADED~0; {54477#(= 0 main_~status~9)} is VALID [2018-11-23 12:39:06,952 INFO L273 TraceCheckUtils]: 42: Hoare triple {54477#(= 0 main_~status~9)} assume -1 != ~status~9; {54477#(= 0 main_~status~9)} is VALID [2018-11-23 12:39:06,953 INFO L273 TraceCheckUtils]: 43: Hoare triple {54477#(= 0 main_~status~9)} assume !(~s~0 != ~SKIP2~0); {54477#(= 0 main_~status~9)} is VALID [2018-11-23 12:39:06,953 INFO L273 TraceCheckUtils]: 44: Hoare triple {54477#(= 0 main_~status~9)} assume 1 != ~pended~0; {54477#(= 0 main_~status~9)} is VALID [2018-11-23 12:39:06,953 INFO L273 TraceCheckUtils]: 45: Hoare triple {54477#(= 0 main_~status~9)} assume ~s~0 == ~DC~0; {54477#(= 0 main_~status~9)} is VALID [2018-11-23 12:39:06,954 INFO L273 TraceCheckUtils]: 46: Hoare triple {54477#(= 0 main_~status~9)} assume 259 == ~status~9; {54471#false} is VALID [2018-11-23 12:39:06,954 INFO L256 TraceCheckUtils]: 47: Hoare triple {54471#false} call errorFn(); {54471#false} is VALID [2018-11-23 12:39:06,954 INFO L273 TraceCheckUtils]: 48: Hoare triple {54471#false} assume !false; {54471#false} is VALID [2018-11-23 12:39:06,956 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 12:39:06,956 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:39:06,956 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-23 12:39:06,957 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 49 [2018-11-23 12:39:06,957 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 12:39:06,957 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2018-11-23 12:39:07,002 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 12:39:07,002 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 12:39:07,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 12:39:07,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 12:39:07,003 INFO L87 Difference]: Start difference. First operand 844 states and 1165 transitions. Second operand 8 states. [2018-11-23 12:39:13,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:39:13,176 INFO L93 Difference]: Finished difference Result 886 states and 1217 transitions. [2018-11-23 12:39:13,176 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 12:39:13,176 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 49 [2018-11-23 12:39:13,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:39:13,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2018-11-23 12:39:13,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 736 transitions. [2018-11-23 12:39:13,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2018-11-23 12:39:13,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 736 transitions. [2018-11-23 12:39:13,191 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 736 transitions. [2018-11-23 12:39:14,016 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 736 edges. 736 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:39:14,062 INFO L225 Difference]: With dead ends: 886 [2018-11-23 12:39:14,063 INFO L226 Difference]: Without dead ends: 865 [2018-11-23 12:39:14,064 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-11-23 12:39:14,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 865 states. [2018-11-23 12:39:15,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 865 to 864. [2018-11-23 12:39:15,630 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 12:39:15,630 INFO L82 GeneralOperation]: Start isEquivalent. First operand 865 states. Second operand 864 states. [2018-11-23 12:39:15,630 INFO L74 IsIncluded]: Start isIncluded. First operand 865 states. Second operand 864 states. [2018-11-23 12:39:15,631 INFO L87 Difference]: Start difference. First operand 865 states. Second operand 864 states. [2018-11-23 12:39:15,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:39:15,668 INFO L93 Difference]: Finished difference Result 865 states and 1190 transitions. [2018-11-23 12:39:15,668 INFO L276 IsEmpty]: Start isEmpty. Operand 865 states and 1190 transitions. [2018-11-23 12:39:15,670 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:39:15,671 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:39:15,671 INFO L74 IsIncluded]: Start isIncluded. First operand 864 states. Second operand 865 states. [2018-11-23 12:39:15,671 INFO L87 Difference]: Start difference. First operand 864 states. Second operand 865 states. [2018-11-23 12:39:15,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:39:15,716 INFO L93 Difference]: Finished difference Result 865 states and 1190 transitions. [2018-11-23 12:39:15,716 INFO L276 IsEmpty]: Start isEmpty. Operand 865 states and 1190 transitions. [2018-11-23 12:39:15,718 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:39:15,718 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:39:15,718 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 12:39:15,718 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 12:39:15,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 864 states. [2018-11-23 12:39:15,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 864 states to 864 states and 1189 transitions. [2018-11-23 12:39:15,760 INFO L78 Accepts]: Start accepts. Automaton has 864 states and 1189 transitions. Word has length 49 [2018-11-23 12:39:15,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:39:15,760 INFO L480 AbstractCegarLoop]: Abstraction has 864 states and 1189 transitions. [2018-11-23 12:39:15,760 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 12:39:15,761 INFO L276 IsEmpty]: Start isEmpty. Operand 864 states and 1189 transitions. [2018-11-23 12:39:15,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-23 12:39:15,763 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:39:15,763 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 12:39:15,763 INFO L423 AbstractCegarLoop]: === Iteration 15 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:39:15,764 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:39:15,764 INFO L82 PathProgramCache]: Analyzing trace with hash 1035590368, now seen corresponding path program 1 times [2018-11-23 12:39:15,764 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:39:15,764 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:39:15,766 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:39:15,766 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:39:15,766 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:39:15,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:39:16,003 INFO L256 TraceCheckUtils]: 0: Hoare triple {58492#true} call ULTIMATE.init(); {58492#true} is VALID [2018-11-23 12:39:16,004 INFO L273 TraceCheckUtils]: 1: Hoare triple {58492#true} ~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compFptr~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~routine~0 := 0;~myStatus~0 := 0;~pirp~0 := 0;~Executive~0 := 0;~Suspended~0 := 0;~KernelMode~0 := 0;~DeviceUsageTypePaging~0 := 0; {58492#true} is VALID [2018-11-23 12:39:16,004 INFO L273 TraceCheckUtils]: 2: Hoare triple {58492#true} assume true; {58492#true} is VALID [2018-11-23 12:39:16,004 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {58492#true} {58492#true} #1496#return; {58492#true} is VALID [2018-11-23 12:39:16,005 INFO L256 TraceCheckUtils]: 4: Hoare triple {58492#true} call #t~ret176 := main(); {58492#true} is VALID [2018-11-23 12:39:16,005 INFO L273 TraceCheckUtils]: 5: Hoare triple {58492#true} havoc ~pirp__IoStatus__Status~0;assume -2147483648 <= #t~nondet150 && #t~nondet150 <= 2147483647;~d~0 := #t~nondet150;havoc #t~nondet150;assume -2147483648 <= #t~nondet151 && #t~nondet151 <= 2147483647;~status~9 := #t~nondet151;havoc #t~nondet151;assume -2147483648 <= #t~nondet152 && #t~nondet152 <= 2147483647;~irp~1 := #t~nondet152;havoc #t~nondet152;assume -2147483648 <= #t~nondet153 && #t~nondet153 <= 2147483647;~we_should_unload~0 := #t~nondet153;havoc #t~nondet153;assume -2147483648 <= #t~nondet154 && #t~nondet154 <= 2147483647;~irp_choice~0 := #t~nondet154;havoc #t~nondet154;assume -2147483648 <= #t~nondet155 && #t~nondet155 <= 2147483647;~devobj~0 := #t~nondet155;havoc #t~nondet155;havoc ~__cil_tmp9~1;~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compFptr~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~routine~0 := 0;~myStatus~0 := 0;~pirp~0 := 0;~Executive~0 := 0;~Suspended~0 := 5;~KernelMode~0 := 0;~DeviceUsageTypePaging~0 := 1;~pirp~0 := ~irp~1; {58492#true} is VALID [2018-11-23 12:39:16,005 INFO L256 TraceCheckUtils]: 6: Hoare triple {58492#true} call _BLAST_init(); {58492#true} is VALID [2018-11-23 12:39:16,005 INFO L273 TraceCheckUtils]: 7: Hoare triple {58492#true} ~UNLOADED~0 := 0;~NP~0 := 1;~DC~0 := 2;~SKIP1~0 := 3;~SKIP2~0 := 4;~MPR1~0 := 5;~MPR3~0 := 6;~IPC~0 := 7;~s~0 := ~UNLOADED~0;~pended~0 := 0;~compFptr~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0; {58492#true} is VALID [2018-11-23 12:39:16,005 INFO L273 TraceCheckUtils]: 8: Hoare triple {58492#true} assume true; {58492#true} is VALID [2018-11-23 12:39:16,006 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {58492#true} {58492#true} #1364#return; {58492#true} is VALID [2018-11-23 12:39:16,006 INFO L273 TraceCheckUtils]: 10: Hoare triple {58492#true} assume ~status~9 >= 0;~s~0 := ~NP~0;~customIrp~0 := 0;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0;~pirp__IoStatus__Status~0 := 0;~myStatus~0 := 0; {58492#true} is VALID [2018-11-23 12:39:16,006 INFO L273 TraceCheckUtils]: 11: Hoare triple {58492#true} assume 0 == ~irp_choice~0;~pirp__IoStatus__Status~0 := -1073741637;~myStatus~0 := -1073741637; {58492#true} is VALID [2018-11-23 12:39:16,006 INFO L256 TraceCheckUtils]: 12: Hoare triple {58492#true} call stub_driver_init(); {58492#true} is VALID [2018-11-23 12:39:16,006 INFO L273 TraceCheckUtils]: 13: Hoare triple {58492#true} ~s~0 := ~NP~0;~customIrp~0 := 0;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0; {58492#true} is VALID [2018-11-23 12:39:16,007 INFO L273 TraceCheckUtils]: 14: Hoare triple {58492#true} assume true; {58492#true} is VALID [2018-11-23 12:39:16,007 INFO L268 TraceCheckUtils]: 15: Hoare quadruple {58492#true} {58492#true} #1366#return; {58492#true} is VALID [2018-11-23 12:39:16,007 INFO L273 TraceCheckUtils]: 16: Hoare triple {58492#true} assume !(~status~9 < 0);havoc ~tmp_ndt_1~0;assume -2147483648 <= #t~nondet156 && #t~nondet156 <= 2147483647;~tmp_ndt_1~0 := #t~nondet156;havoc #t~nondet156; {58492#true} is VALID [2018-11-23 12:39:16,007 INFO L273 TraceCheckUtils]: 17: Hoare triple {58492#true} assume !(2 == ~tmp_ndt_1~0);havoc ~tmp_ndt_2~0;assume -2147483648 <= #t~nondet157 && #t~nondet157 <= 2147483647;~tmp_ndt_2~0 := #t~nondet157;havoc #t~nondet157; {58492#true} is VALID [2018-11-23 12:39:16,007 INFO L273 TraceCheckUtils]: 18: Hoare triple {58492#true} assume !(3 == ~tmp_ndt_2~0);havoc ~tmp_ndt_3~0;assume -2147483648 <= #t~nondet158 && #t~nondet158 <= 2147483647;~tmp_ndt_3~0 := #t~nondet158;havoc #t~nondet158; {58492#true} is VALID [2018-11-23 12:39:16,008 INFO L273 TraceCheckUtils]: 19: Hoare triple {58492#true} assume 4 == ~tmp_ndt_3~0; {58492#true} is VALID [2018-11-23 12:39:16,008 INFO L256 TraceCheckUtils]: 20: Hoare triple {58492#true} call #t~ret161 := CdAudioPower(~devobj~0, ~pirp~0); {58492#true} is VALID [2018-11-23 12:39:16,008 INFO L273 TraceCheckUtils]: 21: Hoare triple {58492#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;assume -2147483648 <= #t~nondet144 && #t~nondet144 <= 2147483647;~Irp__CurrentLocation~1 := #t~nondet144;havoc #t~nondet144;assume -2147483648 <= #t~nondet145 && #t~nondet145 <= 2147483647;~Irp__Tail__Overlay__CurrentStackLocation~3 := #t~nondet145;havoc #t~nondet145;assume -2147483648 <= #t~nondet146 && #t~nondet146 <= 2147483647;~deviceExtension__TargetDeviceObject~4 := #t~nondet146;havoc #t~nondet146;havoc ~tmp~7; {58492#true} is VALID [2018-11-23 12:39:16,008 INFO L273 TraceCheckUtils]: 22: Hoare triple {58492#true} assume ~s~0 == ~NP~0;~s~0 := ~SKIP1~0; {58492#true} is VALID [2018-11-23 12:39:16,008 INFO L273 TraceCheckUtils]: 23: Hoare triple {58492#true} #t~post147 := ~Irp__CurrentLocation~1;~Irp__CurrentLocation~1 := 1 + #t~post147;havoc #t~post147;#t~post148 := ~Irp__Tail__Overlay__CurrentStackLocation~3;~Irp__Tail__Overlay__CurrentStackLocation~3 := 1 + #t~post148;havoc #t~post148; {58492#true} is VALID [2018-11-23 12:39:16,009 INFO L256 TraceCheckUtils]: 24: Hoare triple {58492#true} call #t~ret149 := PoCallDriver(~deviceExtension__TargetDeviceObject~4, ~Irp); {58492#true} is VALID [2018-11-23 12:39:16,009 INFO L273 TraceCheckUtils]: 25: Hoare triple {58492#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;havoc ~compRetStatus~1;havoc ~returnVal~0;assume -2147483648 <= #t~nondet170 && #t~nondet170 <= 2147483647;~lcontext~1 := #t~nondet170;havoc #t~nondet170;havoc ~__cil_tmp7~0;havoc ~__cil_tmp8~2; {58492#true} is VALID [2018-11-23 12:39:16,009 INFO L273 TraceCheckUtils]: 26: Hoare triple {58492#true} assume !(0 != ~compRegistered~0); {58492#true} is VALID [2018-11-23 12:39:16,009 INFO L273 TraceCheckUtils]: 27: Hoare triple {58492#true} havoc ~tmp_ndt_8~0;assume -2147483648 <= #t~nondet173 && #t~nondet173 <= 2147483647;~tmp_ndt_8~0 := #t~nondet173;havoc #t~nondet173; {58492#true} is VALID [2018-11-23 12:39:16,009 INFO L273 TraceCheckUtils]: 28: Hoare triple {58492#true} assume 0 == ~tmp_ndt_8~0; {58492#true} is VALID [2018-11-23 12:39:16,010 INFO L273 TraceCheckUtils]: 29: Hoare triple {58492#true} ~returnVal~0 := 0; {58492#true} is VALID [2018-11-23 12:39:16,010 INFO L273 TraceCheckUtils]: 30: Hoare triple {58492#true} assume !(~s~0 == ~NP~0); {58492#true} is VALID [2018-11-23 12:39:16,010 INFO L273 TraceCheckUtils]: 31: Hoare triple {58492#true} assume !(~s~0 == ~MPR1~0); {58492#true} is VALID [2018-11-23 12:39:16,023 INFO L273 TraceCheckUtils]: 32: Hoare triple {58492#true} assume ~s~0 == ~SKIP1~0;~s~0 := ~SKIP2~0;~lowerDriverReturn~0 := ~returnVal~0; {58494#(= ~SKIP2~0 ~s~0)} is VALID [2018-11-23 12:39:16,035 INFO L273 TraceCheckUtils]: 33: Hoare triple {58494#(= ~SKIP2~0 ~s~0)} #res := ~returnVal~0; {58494#(= ~SKIP2~0 ~s~0)} is VALID [2018-11-23 12:39:16,048 INFO L273 TraceCheckUtils]: 34: Hoare triple {58494#(= ~SKIP2~0 ~s~0)} assume true; {58494#(= ~SKIP2~0 ~s~0)} is VALID [2018-11-23 12:39:16,061 INFO L268 TraceCheckUtils]: 35: Hoare quadruple {58494#(= ~SKIP2~0 ~s~0)} {58492#true} #1408#return; {58494#(= ~SKIP2~0 ~s~0)} is VALID [2018-11-23 12:39:16,078 INFO L273 TraceCheckUtils]: 36: Hoare triple {58494#(= ~SKIP2~0 ~s~0)} assume -2147483648 <= #t~ret149 && #t~ret149 <= 2147483647;~tmp~7 := #t~ret149;havoc #t~ret149;#res := ~tmp~7; {58494#(= ~SKIP2~0 ~s~0)} is VALID [2018-11-23 12:39:16,087 INFO L273 TraceCheckUtils]: 37: Hoare triple {58494#(= ~SKIP2~0 ~s~0)} assume true; {58494#(= ~SKIP2~0 ~s~0)} is VALID [2018-11-23 12:39:16,100 INFO L268 TraceCheckUtils]: 38: Hoare quadruple {58494#(= ~SKIP2~0 ~s~0)} {58492#true} #1372#return; {58494#(= ~SKIP2~0 ~s~0)} is VALID [2018-11-23 12:39:16,112 INFO L273 TraceCheckUtils]: 39: Hoare triple {58494#(= ~SKIP2~0 ~s~0)} assume -2147483648 <= #t~ret161 && #t~ret161 <= 2147483647;~status~9 := #t~ret161;havoc #t~ret161; {58494#(= ~SKIP2~0 ~s~0)} is VALID [2018-11-23 12:39:16,125 INFO L273 TraceCheckUtils]: 40: Hoare triple {58494#(= ~SKIP2~0 ~s~0)} assume !(0 != ~we_should_unload~0); {58494#(= ~SKIP2~0 ~s~0)} is VALID [2018-11-23 12:39:16,138 INFO L273 TraceCheckUtils]: 41: Hoare triple {58494#(= ~SKIP2~0 ~s~0)} assume !(1 == ~pended~0); {58494#(= ~SKIP2~0 ~s~0)} is VALID [2018-11-23 12:39:16,147 INFO L273 TraceCheckUtils]: 42: Hoare triple {58494#(= ~SKIP2~0 ~s~0)} assume !(1 == ~pended~0); {58494#(= ~SKIP2~0 ~s~0)} is VALID [2018-11-23 12:39:16,159 INFO L273 TraceCheckUtils]: 43: Hoare triple {58494#(= ~SKIP2~0 ~s~0)} assume ~s~0 != ~UNLOADED~0; {58494#(= ~SKIP2~0 ~s~0)} is VALID [2018-11-23 12:39:16,172 INFO L273 TraceCheckUtils]: 44: Hoare triple {58494#(= ~SKIP2~0 ~s~0)} assume -1 != ~status~9; {58494#(= ~SKIP2~0 ~s~0)} is VALID [2018-11-23 12:39:16,184 INFO L273 TraceCheckUtils]: 45: Hoare triple {58494#(= ~SKIP2~0 ~s~0)} assume ~s~0 != ~SKIP2~0; {58493#false} is VALID [2018-11-23 12:39:16,185 INFO L273 TraceCheckUtils]: 46: Hoare triple {58493#false} assume ~s~0 != ~IPC~0; {58493#false} is VALID [2018-11-23 12:39:16,185 INFO L273 TraceCheckUtils]: 47: Hoare triple {58493#false} assume ~s~0 != ~DC~0; {58493#false} is VALID [2018-11-23 12:39:16,185 INFO L256 TraceCheckUtils]: 48: Hoare triple {58493#false} call errorFn(); {58493#false} is VALID [2018-11-23 12:39:16,185 INFO L273 TraceCheckUtils]: 49: Hoare triple {58493#false} assume !false; {58493#false} is VALID [2018-11-23 12:39:16,187 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 12:39:16,188 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:39:16,188 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 12:39:16,188 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 50 [2018-11-23 12:39:16,188 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 12:39:16,189 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2018-11-23 12:39:16,531 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 12:39:16,531 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 12:39:16,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 12:39:16,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 12:39:16,532 INFO L87 Difference]: Start difference. First operand 864 states and 1189 transitions. Second operand 3 states. [2018-11-23 12:39:20,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:39:20,896 INFO L93 Difference]: Finished difference Result 1081 states and 1472 transitions. [2018-11-23 12:39:20,896 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 12:39:20,896 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 50 [2018-11-23 12:39:20,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:39:20,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 12:39:20,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 888 transitions. [2018-11-23 12:39:20,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 12:39:20,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 888 transitions. [2018-11-23 12:39:20,920 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 888 transitions. [2018-11-23 12:39:22,011 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 12:39:22,074 INFO L225 Difference]: With dead ends: 1081 [2018-11-23 12:39:22,074 INFO L226 Difference]: Without dead ends: 1049 [2018-11-23 12:39:22,076 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 12:39:22,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1049 states. [2018-11-23 12:39:26,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1049 to 944. [2018-11-23 12:39:26,735 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 12:39:26,735 INFO L82 GeneralOperation]: Start isEquivalent. First operand 1049 states. Second operand 944 states. [2018-11-23 12:39:26,736 INFO L74 IsIncluded]: Start isIncluded. First operand 1049 states. Second operand 944 states. [2018-11-23 12:39:26,736 INFO L87 Difference]: Start difference. First operand 1049 states. Second operand 944 states. [2018-11-23 12:39:26,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:39:26,779 INFO L93 Difference]: Finished difference Result 1049 states and 1431 transitions. [2018-11-23 12:39:26,779 INFO L276 IsEmpty]: Start isEmpty. Operand 1049 states and 1431 transitions. [2018-11-23 12:39:26,781 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:39:26,781 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:39:26,781 INFO L74 IsIncluded]: Start isIncluded. First operand 944 states. Second operand 1049 states. [2018-11-23 12:39:26,781 INFO L87 Difference]: Start difference. First operand 944 states. Second operand 1049 states. [2018-11-23 12:39:26,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:39:26,824 INFO L93 Difference]: Finished difference Result 1049 states and 1431 transitions. [2018-11-23 12:39:26,824 INFO L276 IsEmpty]: Start isEmpty. Operand 1049 states and 1431 transitions. [2018-11-23 12:39:26,826 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:39:26,826 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:39:26,826 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 12:39:26,826 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 12:39:26,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 944 states. [2018-11-23 12:39:26,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 944 states to 944 states and 1281 transitions. [2018-11-23 12:39:26,863 INFO L78 Accepts]: Start accepts. Automaton has 944 states and 1281 transitions. Word has length 50 [2018-11-23 12:39:26,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:39:26,863 INFO L480 AbstractCegarLoop]: Abstraction has 944 states and 1281 transitions. [2018-11-23 12:39:26,864 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 12:39:26,864 INFO L276 IsEmpty]: Start isEmpty. Operand 944 states and 1281 transitions. [2018-11-23 12:39:26,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-23 12:39:26,865 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:39:26,866 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 12:39:26,866 INFO L423 AbstractCegarLoop]: === Iteration 16 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:39:26,866 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:39:26,866 INFO L82 PathProgramCache]: Analyzing trace with hash -1411925024, now seen corresponding path program 1 times [2018-11-23 12:39:26,866 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:39:26,866 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:39:26,867 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:39:26,867 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:39:26,867 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:39:26,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:39:27,082 INFO L256 TraceCheckUtils]: 0: Hoare triple {63214#true} call ULTIMATE.init(); {63214#true} is VALID [2018-11-23 12:39:27,082 INFO L273 TraceCheckUtils]: 1: Hoare triple {63214#true} ~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compFptr~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~routine~0 := 0;~myStatus~0 := 0;~pirp~0 := 0;~Executive~0 := 0;~Suspended~0 := 0;~KernelMode~0 := 0;~DeviceUsageTypePaging~0 := 0; {63214#true} is VALID [2018-11-23 12:39:27,083 INFO L273 TraceCheckUtils]: 2: Hoare triple {63214#true} assume true; {63214#true} is VALID [2018-11-23 12:39:27,083 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {63214#true} {63214#true} #1496#return; {63214#true} is VALID [2018-11-23 12:39:27,083 INFO L256 TraceCheckUtils]: 4: Hoare triple {63214#true} call #t~ret176 := main(); {63214#true} is VALID [2018-11-23 12:39:27,083 INFO L273 TraceCheckUtils]: 5: Hoare triple {63214#true} havoc ~pirp__IoStatus__Status~0;assume -2147483648 <= #t~nondet150 && #t~nondet150 <= 2147483647;~d~0 := #t~nondet150;havoc #t~nondet150;assume -2147483648 <= #t~nondet151 && #t~nondet151 <= 2147483647;~status~9 := #t~nondet151;havoc #t~nondet151;assume -2147483648 <= #t~nondet152 && #t~nondet152 <= 2147483647;~irp~1 := #t~nondet152;havoc #t~nondet152;assume -2147483648 <= #t~nondet153 && #t~nondet153 <= 2147483647;~we_should_unload~0 := #t~nondet153;havoc #t~nondet153;assume -2147483648 <= #t~nondet154 && #t~nondet154 <= 2147483647;~irp_choice~0 := #t~nondet154;havoc #t~nondet154;assume -2147483648 <= #t~nondet155 && #t~nondet155 <= 2147483647;~devobj~0 := #t~nondet155;havoc #t~nondet155;havoc ~__cil_tmp9~1;~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compFptr~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~routine~0 := 0;~myStatus~0 := 0;~pirp~0 := 0;~Executive~0 := 0;~Suspended~0 := 5;~KernelMode~0 := 0;~DeviceUsageTypePaging~0 := 1;~pirp~0 := ~irp~1; {63214#true} is VALID [2018-11-23 12:39:27,083 INFO L256 TraceCheckUtils]: 6: Hoare triple {63214#true} call _BLAST_init(); {63214#true} is VALID [2018-11-23 12:39:27,084 INFO L273 TraceCheckUtils]: 7: Hoare triple {63214#true} ~UNLOADED~0 := 0;~NP~0 := 1;~DC~0 := 2;~SKIP1~0 := 3;~SKIP2~0 := 4;~MPR1~0 := 5;~MPR3~0 := 6;~IPC~0 := 7;~s~0 := ~UNLOADED~0;~pended~0 := 0;~compFptr~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0; {63214#true} is VALID [2018-11-23 12:39:27,084 INFO L273 TraceCheckUtils]: 8: Hoare triple {63214#true} assume true; {63214#true} is VALID [2018-11-23 12:39:27,084 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {63214#true} {63214#true} #1364#return; {63214#true} is VALID [2018-11-23 12:39:27,084 INFO L273 TraceCheckUtils]: 10: Hoare triple {63214#true} assume ~status~9 >= 0;~s~0 := ~NP~0;~customIrp~0 := 0;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0;~pirp__IoStatus__Status~0 := 0;~myStatus~0 := 0; {63214#true} is VALID [2018-11-23 12:39:27,084 INFO L273 TraceCheckUtils]: 11: Hoare triple {63214#true} assume 0 == ~irp_choice~0;~pirp__IoStatus__Status~0 := -1073741637;~myStatus~0 := -1073741637; {63214#true} is VALID [2018-11-23 12:39:27,085 INFO L256 TraceCheckUtils]: 12: Hoare triple {63214#true} call stub_driver_init(); {63214#true} is VALID [2018-11-23 12:39:27,085 INFO L273 TraceCheckUtils]: 13: Hoare triple {63214#true} ~s~0 := ~NP~0;~customIrp~0 := 0;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0; {63214#true} is VALID [2018-11-23 12:39:27,085 INFO L273 TraceCheckUtils]: 14: Hoare triple {63214#true} assume true; {63214#true} is VALID [2018-11-23 12:39:27,085 INFO L268 TraceCheckUtils]: 15: Hoare quadruple {63214#true} {63214#true} #1366#return; {63214#true} is VALID [2018-11-23 12:39:27,085 INFO L273 TraceCheckUtils]: 16: Hoare triple {63214#true} assume !(~status~9 < 0);havoc ~tmp_ndt_1~0;assume -2147483648 <= #t~nondet156 && #t~nondet156 <= 2147483647;~tmp_ndt_1~0 := #t~nondet156;havoc #t~nondet156; {63214#true} is VALID [2018-11-23 12:39:27,085 INFO L273 TraceCheckUtils]: 17: Hoare triple {63214#true} assume !(2 == ~tmp_ndt_1~0);havoc ~tmp_ndt_2~0;assume -2147483648 <= #t~nondet157 && #t~nondet157 <= 2147483647;~tmp_ndt_2~0 := #t~nondet157;havoc #t~nondet157; {63214#true} is VALID [2018-11-23 12:39:27,085 INFO L273 TraceCheckUtils]: 18: Hoare triple {63214#true} assume !(3 == ~tmp_ndt_2~0);havoc ~tmp_ndt_3~0;assume -2147483648 <= #t~nondet158 && #t~nondet158 <= 2147483647;~tmp_ndt_3~0 := #t~nondet158;havoc #t~nondet158; {63214#true} is VALID [2018-11-23 12:39:27,086 INFO L273 TraceCheckUtils]: 19: Hoare triple {63214#true} assume 4 == ~tmp_ndt_3~0; {63214#true} is VALID [2018-11-23 12:39:27,086 INFO L256 TraceCheckUtils]: 20: Hoare triple {63214#true} call #t~ret161 := CdAudioPower(~devobj~0, ~pirp~0); {63214#true} is VALID [2018-11-23 12:39:27,086 INFO L273 TraceCheckUtils]: 21: Hoare triple {63214#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;assume -2147483648 <= #t~nondet144 && #t~nondet144 <= 2147483647;~Irp__CurrentLocation~1 := #t~nondet144;havoc #t~nondet144;assume -2147483648 <= #t~nondet145 && #t~nondet145 <= 2147483647;~Irp__Tail__Overlay__CurrentStackLocation~3 := #t~nondet145;havoc #t~nondet145;assume -2147483648 <= #t~nondet146 && #t~nondet146 <= 2147483647;~deviceExtension__TargetDeviceObject~4 := #t~nondet146;havoc #t~nondet146;havoc ~tmp~7; {63214#true} is VALID [2018-11-23 12:39:27,086 INFO L273 TraceCheckUtils]: 22: Hoare triple {63214#true} assume ~s~0 == ~NP~0;~s~0 := ~SKIP1~0; {63214#true} is VALID [2018-11-23 12:39:27,086 INFO L273 TraceCheckUtils]: 23: Hoare triple {63214#true} #t~post147 := ~Irp__CurrentLocation~1;~Irp__CurrentLocation~1 := 1 + #t~post147;havoc #t~post147;#t~post148 := ~Irp__Tail__Overlay__CurrentStackLocation~3;~Irp__Tail__Overlay__CurrentStackLocation~3 := 1 + #t~post148;havoc #t~post148; {63214#true} is VALID [2018-11-23 12:39:27,086 INFO L256 TraceCheckUtils]: 24: Hoare triple {63214#true} call #t~ret149 := PoCallDriver(~deviceExtension__TargetDeviceObject~4, ~Irp); {63214#true} is VALID [2018-11-23 12:39:27,086 INFO L273 TraceCheckUtils]: 25: Hoare triple {63214#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;havoc ~compRetStatus~1;havoc ~returnVal~0;assume -2147483648 <= #t~nondet170 && #t~nondet170 <= 2147483647;~lcontext~1 := #t~nondet170;havoc #t~nondet170;havoc ~__cil_tmp7~0;havoc ~__cil_tmp8~2; {63214#true} is VALID [2018-11-23 12:39:27,086 INFO L273 TraceCheckUtils]: 26: Hoare triple {63214#true} assume !(0 != ~compRegistered~0); {63214#true} is VALID [2018-11-23 12:39:27,087 INFO L273 TraceCheckUtils]: 27: Hoare triple {63214#true} havoc ~tmp_ndt_8~0;assume -2147483648 <= #t~nondet173 && #t~nondet173 <= 2147483647;~tmp_ndt_8~0 := #t~nondet173;havoc #t~nondet173; {63214#true} is VALID [2018-11-23 12:39:27,087 INFO L273 TraceCheckUtils]: 28: Hoare triple {63214#true} assume 0 == ~tmp_ndt_8~0; {63214#true} is VALID [2018-11-23 12:39:27,088 INFO L273 TraceCheckUtils]: 29: Hoare triple {63214#true} ~returnVal~0 := 0; {63216#(= 0 PoCallDriver_~returnVal~0)} is VALID [2018-11-23 12:39:27,089 INFO L273 TraceCheckUtils]: 30: Hoare triple {63216#(= 0 PoCallDriver_~returnVal~0)} assume !(~s~0 == ~NP~0); {63216#(= 0 PoCallDriver_~returnVal~0)} is VALID [2018-11-23 12:39:27,089 INFO L273 TraceCheckUtils]: 31: Hoare triple {63216#(= 0 PoCallDriver_~returnVal~0)} assume ~s~0 == ~MPR1~0;~__cil_tmp8~2 := ~returnVal~0; {63217#(= 0 PoCallDriver_~__cil_tmp8~2)} is VALID [2018-11-23 12:39:27,089 INFO L273 TraceCheckUtils]: 32: Hoare triple {63217#(= 0 PoCallDriver_~__cil_tmp8~2)} assume 259 == ~__cil_tmp8~2;~s~0 := ~MPR3~0;~lowerDriverReturn~0 := ~returnVal~0; {63215#false} is VALID [2018-11-23 12:39:27,090 INFO L273 TraceCheckUtils]: 33: Hoare triple {63215#false} #res := ~returnVal~0; {63215#false} is VALID [2018-11-23 12:39:27,090 INFO L273 TraceCheckUtils]: 34: Hoare triple {63215#false} assume true; {63215#false} is VALID [2018-11-23 12:39:27,090 INFO L268 TraceCheckUtils]: 35: Hoare quadruple {63215#false} {63214#true} #1408#return; {63215#false} is VALID [2018-11-23 12:39:27,090 INFO L273 TraceCheckUtils]: 36: Hoare triple {63215#false} assume -2147483648 <= #t~ret149 && #t~ret149 <= 2147483647;~tmp~7 := #t~ret149;havoc #t~ret149;#res := ~tmp~7; {63215#false} is VALID [2018-11-23 12:39:27,090 INFO L273 TraceCheckUtils]: 37: Hoare triple {63215#false} assume true; {63215#false} is VALID [2018-11-23 12:39:27,090 INFO L268 TraceCheckUtils]: 38: Hoare quadruple {63215#false} {63214#true} #1372#return; {63215#false} is VALID [2018-11-23 12:39:27,090 INFO L273 TraceCheckUtils]: 39: Hoare triple {63215#false} assume -2147483648 <= #t~ret161 && #t~ret161 <= 2147483647;~status~9 := #t~ret161;havoc #t~ret161; {63215#false} is VALID [2018-11-23 12:39:27,090 INFO L273 TraceCheckUtils]: 40: Hoare triple {63215#false} assume !(0 != ~we_should_unload~0); {63215#false} is VALID [2018-11-23 12:39:27,091 INFO L273 TraceCheckUtils]: 41: Hoare triple {63215#false} assume !(1 == ~pended~0); {63215#false} is VALID [2018-11-23 12:39:27,091 INFO L273 TraceCheckUtils]: 42: Hoare triple {63215#false} assume !(1 == ~pended~0); {63215#false} is VALID [2018-11-23 12:39:27,091 INFO L273 TraceCheckUtils]: 43: Hoare triple {63215#false} assume ~s~0 != ~UNLOADED~0; {63215#false} is VALID [2018-11-23 12:39:27,091 INFO L273 TraceCheckUtils]: 44: Hoare triple {63215#false} assume -1 != ~status~9; {63215#false} is VALID [2018-11-23 12:39:27,091 INFO L273 TraceCheckUtils]: 45: Hoare triple {63215#false} assume ~s~0 != ~SKIP2~0; {63215#false} is VALID [2018-11-23 12:39:27,091 INFO L273 TraceCheckUtils]: 46: Hoare triple {63215#false} assume ~s~0 != ~IPC~0; {63215#false} is VALID [2018-11-23 12:39:27,091 INFO L273 TraceCheckUtils]: 47: Hoare triple {63215#false} assume ~s~0 != ~DC~0; {63215#false} is VALID [2018-11-23 12:39:27,091 INFO L256 TraceCheckUtils]: 48: Hoare triple {63215#false} call errorFn(); {63215#false} is VALID [2018-11-23 12:39:27,092 INFO L273 TraceCheckUtils]: 49: Hoare triple {63215#false} assume !false; {63215#false} is VALID [2018-11-23 12:39:27,093 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 12:39:27,093 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:39:27,093 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 12:39:27,093 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 50 [2018-11-23 12:39:27,094 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 12:39:27,094 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2018-11-23 12:39:27,141 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 12:39:27,141 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 12:39:27,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 12:39:27,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 12:39:27,142 INFO L87 Difference]: Start difference. First operand 944 states and 1281 transitions. Second operand 4 states. [2018-11-23 12:39:30,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:39:30,790 INFO L93 Difference]: Finished difference Result 966 states and 1303 transitions. [2018-11-23 12:39:30,790 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 12:39:30,790 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 50 [2018-11-23 12:39:30,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:39:30,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-23 12:39:30,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 731 transitions. [2018-11-23 12:39:30,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-23 12:39:30,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 731 transitions. [2018-11-23 12:39:30,801 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 731 transitions. [2018-11-23 12:39:31,437 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 731 edges. 731 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:39:31,506 INFO L225 Difference]: With dead ends: 966 [2018-11-23 12:39:31,506 INFO L226 Difference]: Without dead ends: 944 [2018-11-23 12:39:31,507 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 12:39:31,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 944 states. [2018-11-23 12:39:33,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 944 to 944. [2018-11-23 12:39:33,985 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 12:39:33,986 INFO L82 GeneralOperation]: Start isEquivalent. First operand 944 states. Second operand 944 states. [2018-11-23 12:39:33,986 INFO L74 IsIncluded]: Start isIncluded. First operand 944 states. Second operand 944 states. [2018-11-23 12:39:33,986 INFO L87 Difference]: Start difference. First operand 944 states. Second operand 944 states. [2018-11-23 12:39:34,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:39:34,041 INFO L93 Difference]: Finished difference Result 944 states and 1280 transitions. [2018-11-23 12:39:34,041 INFO L276 IsEmpty]: Start isEmpty. Operand 944 states and 1280 transitions. [2018-11-23 12:39:34,044 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:39:34,044 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:39:34,044 INFO L74 IsIncluded]: Start isIncluded. First operand 944 states. Second operand 944 states. [2018-11-23 12:39:34,044 INFO L87 Difference]: Start difference. First operand 944 states. Second operand 944 states. [2018-11-23 12:39:34,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:39:34,099 INFO L93 Difference]: Finished difference Result 944 states and 1280 transitions. [2018-11-23 12:39:34,099 INFO L276 IsEmpty]: Start isEmpty. Operand 944 states and 1280 transitions. [2018-11-23 12:39:34,102 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:39:34,102 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:39:34,102 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 12:39:34,102 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 12:39:34,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 944 states. [2018-11-23 12:39:34,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 944 states to 944 states and 1280 transitions. [2018-11-23 12:39:34,163 INFO L78 Accepts]: Start accepts. Automaton has 944 states and 1280 transitions. Word has length 50 [2018-11-23 12:39:34,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:39:34,163 INFO L480 AbstractCegarLoop]: Abstraction has 944 states and 1280 transitions. [2018-11-23 12:39:34,164 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 12:39:34,164 INFO L276 IsEmpty]: Start isEmpty. Operand 944 states and 1280 transitions. [2018-11-23 12:39:34,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-23 12:39:34,165 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:39:34,165 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 12:39:34,166 INFO L423 AbstractCegarLoop]: === Iteration 17 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:39:34,166 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:39:34,166 INFO L82 PathProgramCache]: Analyzing trace with hash 888897566, now seen corresponding path program 1 times [2018-11-23 12:39:34,166 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:39:34,166 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:39:34,167 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:39:34,167 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:39:34,167 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:39:34,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:39:34,352 INFO L256 TraceCheckUtils]: 0: Hoare triple {67579#true} call ULTIMATE.init(); {67579#true} is VALID [2018-11-23 12:39:34,353 INFO L273 TraceCheckUtils]: 1: Hoare triple {67579#true} ~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compFptr~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~routine~0 := 0;~myStatus~0 := 0;~pirp~0 := 0;~Executive~0 := 0;~Suspended~0 := 0;~KernelMode~0 := 0;~DeviceUsageTypePaging~0 := 0; {67579#true} is VALID [2018-11-23 12:39:34,353 INFO L273 TraceCheckUtils]: 2: Hoare triple {67579#true} assume true; {67579#true} is VALID [2018-11-23 12:39:34,353 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {67579#true} {67579#true} #1496#return; {67579#true} is VALID [2018-11-23 12:39:34,353 INFO L256 TraceCheckUtils]: 4: Hoare triple {67579#true} call #t~ret176 := main(); {67579#true} is VALID [2018-11-23 12:39:34,353 INFO L273 TraceCheckUtils]: 5: Hoare triple {67579#true} havoc ~pirp__IoStatus__Status~0;assume -2147483648 <= #t~nondet150 && #t~nondet150 <= 2147483647;~d~0 := #t~nondet150;havoc #t~nondet150;assume -2147483648 <= #t~nondet151 && #t~nondet151 <= 2147483647;~status~9 := #t~nondet151;havoc #t~nondet151;assume -2147483648 <= #t~nondet152 && #t~nondet152 <= 2147483647;~irp~1 := #t~nondet152;havoc #t~nondet152;assume -2147483648 <= #t~nondet153 && #t~nondet153 <= 2147483647;~we_should_unload~0 := #t~nondet153;havoc #t~nondet153;assume -2147483648 <= #t~nondet154 && #t~nondet154 <= 2147483647;~irp_choice~0 := #t~nondet154;havoc #t~nondet154;assume -2147483648 <= #t~nondet155 && #t~nondet155 <= 2147483647;~devobj~0 := #t~nondet155;havoc #t~nondet155;havoc ~__cil_tmp9~1;~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compFptr~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~routine~0 := 0;~myStatus~0 := 0;~pirp~0 := 0;~Executive~0 := 0;~Suspended~0 := 5;~KernelMode~0 := 0;~DeviceUsageTypePaging~0 := 1;~pirp~0 := ~irp~1; {67579#true} is VALID [2018-11-23 12:39:34,353 INFO L256 TraceCheckUtils]: 6: Hoare triple {67579#true} call _BLAST_init(); {67579#true} is VALID [2018-11-23 12:39:34,354 INFO L273 TraceCheckUtils]: 7: Hoare triple {67579#true} ~UNLOADED~0 := 0;~NP~0 := 1;~DC~0 := 2;~SKIP1~0 := 3;~SKIP2~0 := 4;~MPR1~0 := 5;~MPR3~0 := 6;~IPC~0 := 7;~s~0 := ~UNLOADED~0;~pended~0 := 0;~compFptr~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0; {67581#(<= (+ ~SKIP1~0 2) ~MPR1~0)} is VALID [2018-11-23 12:39:34,354 INFO L273 TraceCheckUtils]: 8: Hoare triple {67581#(<= (+ ~SKIP1~0 2) ~MPR1~0)} assume true; {67581#(<= (+ ~SKIP1~0 2) ~MPR1~0)} is VALID [2018-11-23 12:39:34,355 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {67581#(<= (+ ~SKIP1~0 2) ~MPR1~0)} {67579#true} #1364#return; {67581#(<= (+ ~SKIP1~0 2) ~MPR1~0)} is VALID [2018-11-23 12:39:34,355 INFO L273 TraceCheckUtils]: 10: Hoare triple {67581#(<= (+ ~SKIP1~0 2) ~MPR1~0)} assume ~status~9 >= 0;~s~0 := ~NP~0;~customIrp~0 := 0;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0;~pirp__IoStatus__Status~0 := 0;~myStatus~0 := 0; {67581#(<= (+ ~SKIP1~0 2) ~MPR1~0)} is VALID [2018-11-23 12:39:34,355 INFO L273 TraceCheckUtils]: 11: Hoare triple {67581#(<= (+ ~SKIP1~0 2) ~MPR1~0)} assume 0 == ~irp_choice~0;~pirp__IoStatus__Status~0 := -1073741637;~myStatus~0 := -1073741637; {67581#(<= (+ ~SKIP1~0 2) ~MPR1~0)} is VALID [2018-11-23 12:39:34,355 INFO L256 TraceCheckUtils]: 12: Hoare triple {67581#(<= (+ ~SKIP1~0 2) ~MPR1~0)} call stub_driver_init(); {67579#true} is VALID [2018-11-23 12:39:34,355 INFO L273 TraceCheckUtils]: 13: Hoare triple {67579#true} ~s~0 := ~NP~0;~customIrp~0 := 0;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0; {67579#true} is VALID [2018-11-23 12:39:34,356 INFO L273 TraceCheckUtils]: 14: Hoare triple {67579#true} assume true; {67579#true} is VALID [2018-11-23 12:39:34,356 INFO L268 TraceCheckUtils]: 15: Hoare quadruple {67579#true} {67581#(<= (+ ~SKIP1~0 2) ~MPR1~0)} #1366#return; {67581#(<= (+ ~SKIP1~0 2) ~MPR1~0)} is VALID [2018-11-23 12:39:34,375 INFO L273 TraceCheckUtils]: 16: Hoare triple {67581#(<= (+ ~SKIP1~0 2) ~MPR1~0)} assume !(~status~9 < 0);havoc ~tmp_ndt_1~0;assume -2147483648 <= #t~nondet156 && #t~nondet156 <= 2147483647;~tmp_ndt_1~0 := #t~nondet156;havoc #t~nondet156; {67581#(<= (+ ~SKIP1~0 2) ~MPR1~0)} is VALID [2018-11-23 12:39:34,382 INFO L273 TraceCheckUtils]: 17: Hoare triple {67581#(<= (+ ~SKIP1~0 2) ~MPR1~0)} assume !(2 == ~tmp_ndt_1~0);havoc ~tmp_ndt_2~0;assume -2147483648 <= #t~nondet157 && #t~nondet157 <= 2147483647;~tmp_ndt_2~0 := #t~nondet157;havoc #t~nondet157; {67581#(<= (+ ~SKIP1~0 2) ~MPR1~0)} is VALID [2018-11-23 12:39:34,382 INFO L273 TraceCheckUtils]: 18: Hoare triple {67581#(<= (+ ~SKIP1~0 2) ~MPR1~0)} assume !(3 == ~tmp_ndt_2~0);havoc ~tmp_ndt_3~0;assume -2147483648 <= #t~nondet158 && #t~nondet158 <= 2147483647;~tmp_ndt_3~0 := #t~nondet158;havoc #t~nondet158; {67581#(<= (+ ~SKIP1~0 2) ~MPR1~0)} is VALID [2018-11-23 12:39:34,382 INFO L273 TraceCheckUtils]: 19: Hoare triple {67581#(<= (+ ~SKIP1~0 2) ~MPR1~0)} assume 4 == ~tmp_ndt_3~0; {67581#(<= (+ ~SKIP1~0 2) ~MPR1~0)} is VALID [2018-11-23 12:39:34,383 INFO L256 TraceCheckUtils]: 20: Hoare triple {67581#(<= (+ ~SKIP1~0 2) ~MPR1~0)} call #t~ret161 := CdAudioPower(~devobj~0, ~pirp~0); {67579#true} is VALID [2018-11-23 12:39:34,383 INFO L273 TraceCheckUtils]: 21: Hoare triple {67579#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;assume -2147483648 <= #t~nondet144 && #t~nondet144 <= 2147483647;~Irp__CurrentLocation~1 := #t~nondet144;havoc #t~nondet144;assume -2147483648 <= #t~nondet145 && #t~nondet145 <= 2147483647;~Irp__Tail__Overlay__CurrentStackLocation~3 := #t~nondet145;havoc #t~nondet145;assume -2147483648 <= #t~nondet146 && #t~nondet146 <= 2147483647;~deviceExtension__TargetDeviceObject~4 := #t~nondet146;havoc #t~nondet146;havoc ~tmp~7; {67579#true} is VALID [2018-11-23 12:39:34,383 INFO L273 TraceCheckUtils]: 22: Hoare triple {67579#true} assume ~s~0 == ~NP~0;~s~0 := ~SKIP1~0; {67582#(<= ~s~0 ~SKIP1~0)} is VALID [2018-11-23 12:39:34,383 INFO L273 TraceCheckUtils]: 23: Hoare triple {67582#(<= ~s~0 ~SKIP1~0)} #t~post147 := ~Irp__CurrentLocation~1;~Irp__CurrentLocation~1 := 1 + #t~post147;havoc #t~post147;#t~post148 := ~Irp__Tail__Overlay__CurrentStackLocation~3;~Irp__Tail__Overlay__CurrentStackLocation~3 := 1 + #t~post148;havoc #t~post148; {67582#(<= ~s~0 ~SKIP1~0)} is VALID [2018-11-23 12:39:34,384 INFO L256 TraceCheckUtils]: 24: Hoare triple {67582#(<= ~s~0 ~SKIP1~0)} call #t~ret149 := PoCallDriver(~deviceExtension__TargetDeviceObject~4, ~Irp); {67583#(= |old(~s~0)| ~s~0)} is VALID [2018-11-23 12:39:34,385 INFO L273 TraceCheckUtils]: 25: Hoare triple {67583#(= |old(~s~0)| ~s~0)} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;havoc ~compRetStatus~1;havoc ~returnVal~0;assume -2147483648 <= #t~nondet170 && #t~nondet170 <= 2147483647;~lcontext~1 := #t~nondet170;havoc #t~nondet170;havoc ~__cil_tmp7~0;havoc ~__cil_tmp8~2; {67583#(= |old(~s~0)| ~s~0)} is VALID [2018-11-23 12:39:34,385 INFO L273 TraceCheckUtils]: 26: Hoare triple {67583#(= |old(~s~0)| ~s~0)} assume !(0 != ~compRegistered~0); {67583#(= |old(~s~0)| ~s~0)} is VALID [2018-11-23 12:39:34,391 INFO L273 TraceCheckUtils]: 27: Hoare triple {67583#(= |old(~s~0)| ~s~0)} havoc ~tmp_ndt_8~0;assume -2147483648 <= #t~nondet173 && #t~nondet173 <= 2147483647;~tmp_ndt_8~0 := #t~nondet173;havoc #t~nondet173; {67583#(= |old(~s~0)| ~s~0)} is VALID [2018-11-23 12:39:34,391 INFO L273 TraceCheckUtils]: 28: Hoare triple {67583#(= |old(~s~0)| ~s~0)} assume 0 == ~tmp_ndt_8~0; {67583#(= |old(~s~0)| ~s~0)} is VALID [2018-11-23 12:39:34,392 INFO L273 TraceCheckUtils]: 29: Hoare triple {67583#(= |old(~s~0)| ~s~0)} ~returnVal~0 := 0; {67583#(= |old(~s~0)| ~s~0)} is VALID [2018-11-23 12:39:34,392 INFO L273 TraceCheckUtils]: 30: Hoare triple {67583#(= |old(~s~0)| ~s~0)} assume !(~s~0 == ~NP~0); {67583#(= |old(~s~0)| ~s~0)} is VALID [2018-11-23 12:39:34,392 INFO L273 TraceCheckUtils]: 31: Hoare triple {67583#(= |old(~s~0)| ~s~0)} assume ~s~0 == ~MPR1~0;~__cil_tmp8~2 := ~returnVal~0; {67584#(= ~MPR1~0 |old(~s~0)|)} is VALID [2018-11-23 12:39:34,393 INFO L273 TraceCheckUtils]: 32: Hoare triple {67584#(= ~MPR1~0 |old(~s~0)|)} assume !(259 == ~__cil_tmp8~2);~s~0 := ~NP~0;~lowerDriverReturn~0 := ~returnVal~0; {67584#(= ~MPR1~0 |old(~s~0)|)} is VALID [2018-11-23 12:39:34,393 INFO L273 TraceCheckUtils]: 33: Hoare triple {67584#(= ~MPR1~0 |old(~s~0)|)} #res := ~returnVal~0; {67584#(= ~MPR1~0 |old(~s~0)|)} is VALID [2018-11-23 12:39:34,393 INFO L273 TraceCheckUtils]: 34: Hoare triple {67584#(= ~MPR1~0 |old(~s~0)|)} assume true; {67584#(= ~MPR1~0 |old(~s~0)|)} is VALID [2018-11-23 12:39:34,395 INFO L268 TraceCheckUtils]: 35: Hoare quadruple {67584#(= ~MPR1~0 |old(~s~0)|)} {67582#(<= ~s~0 ~SKIP1~0)} #1408#return; {67585#(<= ~MPR1~0 ~SKIP1~0)} is VALID [2018-11-23 12:39:34,395 INFO L273 TraceCheckUtils]: 36: Hoare triple {67585#(<= ~MPR1~0 ~SKIP1~0)} assume -2147483648 <= #t~ret149 && #t~ret149 <= 2147483647;~tmp~7 := #t~ret149;havoc #t~ret149;#res := ~tmp~7; {67585#(<= ~MPR1~0 ~SKIP1~0)} is VALID [2018-11-23 12:39:34,396 INFO L273 TraceCheckUtils]: 37: Hoare triple {67585#(<= ~MPR1~0 ~SKIP1~0)} assume true; {67585#(<= ~MPR1~0 ~SKIP1~0)} is VALID [2018-11-23 12:39:34,397 INFO L268 TraceCheckUtils]: 38: Hoare quadruple {67585#(<= ~MPR1~0 ~SKIP1~0)} {67581#(<= (+ ~SKIP1~0 2) ~MPR1~0)} #1372#return; {67580#false} is VALID [2018-11-23 12:39:34,397 INFO L273 TraceCheckUtils]: 39: Hoare triple {67580#false} assume -2147483648 <= #t~ret161 && #t~ret161 <= 2147483647;~status~9 := #t~ret161;havoc #t~ret161; {67580#false} is VALID [2018-11-23 12:39:34,398 INFO L273 TraceCheckUtils]: 40: Hoare triple {67580#false} assume !(0 != ~we_should_unload~0); {67580#false} is VALID [2018-11-23 12:39:34,398 INFO L273 TraceCheckUtils]: 41: Hoare triple {67580#false} assume !(1 == ~pended~0); {67580#false} is VALID [2018-11-23 12:39:34,398 INFO L273 TraceCheckUtils]: 42: Hoare triple {67580#false} assume !(1 == ~pended~0); {67580#false} is VALID [2018-11-23 12:39:34,398 INFO L273 TraceCheckUtils]: 43: Hoare triple {67580#false} assume ~s~0 != ~UNLOADED~0; {67580#false} is VALID [2018-11-23 12:39:34,398 INFO L273 TraceCheckUtils]: 44: Hoare triple {67580#false} assume -1 != ~status~9; {67580#false} is VALID [2018-11-23 12:39:34,399 INFO L273 TraceCheckUtils]: 45: Hoare triple {67580#false} assume ~s~0 != ~SKIP2~0; {67580#false} is VALID [2018-11-23 12:39:34,399 INFO L273 TraceCheckUtils]: 46: Hoare triple {67580#false} assume ~s~0 != ~IPC~0; {67580#false} is VALID [2018-11-23 12:39:34,399 INFO L273 TraceCheckUtils]: 47: Hoare triple {67580#false} assume ~s~0 != ~DC~0; {67580#false} is VALID [2018-11-23 12:39:34,399 INFO L256 TraceCheckUtils]: 48: Hoare triple {67580#false} call errorFn(); {67580#false} is VALID [2018-11-23 12:39:34,399 INFO L273 TraceCheckUtils]: 49: Hoare triple {67580#false} assume !false; {67580#false} is VALID [2018-11-23 12:39:34,402 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 12:39:34,402 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:39:34,402 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 12:39:34,402 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 50 [2018-11-23 12:39:34,402 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 12:39:34,402 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2018-11-23 12:39:34,454 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 12:39:34,455 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 12:39:34,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 12:39:34,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 12:39:34,455 INFO L87 Difference]: Start difference. First operand 944 states and 1280 transitions. Second operand 7 states. [2018-11-23 12:39:44,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:39:44,608 INFO L93 Difference]: Finished difference Result 1110 states and 1554 transitions. [2018-11-23 12:39:44,609 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 12:39:44,609 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 50 [2018-11-23 12:39:44,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:39:44,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-11-23 12:39:44,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1023 transitions. [2018-11-23 12:39:44,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-11-23 12:39:44,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1023 transitions. [2018-11-23 12:39:44,636 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 1023 transitions. [2018-11-23 12:39:45,994 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 1023 edges. 1023 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:39:46,057 INFO L225 Difference]: With dead ends: 1110 [2018-11-23 12:39:46,057 INFO L226 Difference]: Without dead ends: 1016 [2018-11-23 12:39:46,058 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2018-11-23 12:39:46,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1016 states. [2018-11-23 12:39:48,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1016 to 875. [2018-11-23 12:39:48,537 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 12:39:48,537 INFO L82 GeneralOperation]: Start isEquivalent. First operand 1016 states. Second operand 875 states. [2018-11-23 12:39:48,538 INFO L74 IsIncluded]: Start isIncluded. First operand 1016 states. Second operand 875 states. [2018-11-23 12:39:48,538 INFO L87 Difference]: Start difference. First operand 1016 states. Second operand 875 states. [2018-11-23 12:39:48,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:39:48,589 INFO L93 Difference]: Finished difference Result 1016 states and 1435 transitions. [2018-11-23 12:39:48,589 INFO L276 IsEmpty]: Start isEmpty. Operand 1016 states and 1435 transitions. [2018-11-23 12:39:48,592 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:39:48,592 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:39:48,592 INFO L74 IsIncluded]: Start isIncluded. First operand 875 states. Second operand 1016 states. [2018-11-23 12:39:48,592 INFO L87 Difference]: Start difference. First operand 875 states. Second operand 1016 states. [2018-11-23 12:39:48,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:39:48,645 INFO L93 Difference]: Finished difference Result 1016 states and 1435 transitions. [2018-11-23 12:39:48,645 INFO L276 IsEmpty]: Start isEmpty. Operand 1016 states and 1435 transitions. [2018-11-23 12:39:48,647 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:39:48,647 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:39:48,647 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 12:39:48,648 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 12:39:48,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 875 states. [2018-11-23 12:39:48,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 875 states to 875 states and 1181 transitions. [2018-11-23 12:39:48,683 INFO L78 Accepts]: Start accepts. Automaton has 875 states and 1181 transitions. Word has length 50 [2018-11-23 12:39:48,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:39:48,683 INFO L480 AbstractCegarLoop]: Abstraction has 875 states and 1181 transitions. [2018-11-23 12:39:48,683 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 12:39:48,684 INFO L276 IsEmpty]: Start isEmpty. Operand 875 states and 1181 transitions. [2018-11-23 12:39:48,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-23 12:39:48,685 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:39:48,685 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 12:39:48,685 INFO L423 AbstractCegarLoop]: === Iteration 18 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:39:48,685 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:39:48,685 INFO L82 PathProgramCache]: Analyzing trace with hash -200005759, now seen corresponding path program 1 times [2018-11-23 12:39:48,685 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:39:48,685 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:39:48,686 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:39:48,686 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:39:48,686 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:39:48,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:39:48,983 INFO L256 TraceCheckUtils]: 0: Hoare triple {72194#true} call ULTIMATE.init(); {72194#true} is VALID [2018-11-23 12:39:48,983 INFO L273 TraceCheckUtils]: 1: Hoare triple {72194#true} ~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compFptr~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~routine~0 := 0;~myStatus~0 := 0;~pirp~0 := 0;~Executive~0 := 0;~Suspended~0 := 0;~KernelMode~0 := 0;~DeviceUsageTypePaging~0 := 0; {72194#true} is VALID [2018-11-23 12:39:48,983 INFO L273 TraceCheckUtils]: 2: Hoare triple {72194#true} assume true; {72194#true} is VALID [2018-11-23 12:39:48,984 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {72194#true} {72194#true} #1496#return; {72194#true} is VALID [2018-11-23 12:39:48,984 INFO L256 TraceCheckUtils]: 4: Hoare triple {72194#true} call #t~ret176 := main(); {72194#true} is VALID [2018-11-23 12:39:48,984 INFO L273 TraceCheckUtils]: 5: Hoare triple {72194#true} havoc ~pirp__IoStatus__Status~0;assume -2147483648 <= #t~nondet150 && #t~nondet150 <= 2147483647;~d~0 := #t~nondet150;havoc #t~nondet150;assume -2147483648 <= #t~nondet151 && #t~nondet151 <= 2147483647;~status~9 := #t~nondet151;havoc #t~nondet151;assume -2147483648 <= #t~nondet152 && #t~nondet152 <= 2147483647;~irp~1 := #t~nondet152;havoc #t~nondet152;assume -2147483648 <= #t~nondet153 && #t~nondet153 <= 2147483647;~we_should_unload~0 := #t~nondet153;havoc #t~nondet153;assume -2147483648 <= #t~nondet154 && #t~nondet154 <= 2147483647;~irp_choice~0 := #t~nondet154;havoc #t~nondet154;assume -2147483648 <= #t~nondet155 && #t~nondet155 <= 2147483647;~devobj~0 := #t~nondet155;havoc #t~nondet155;havoc ~__cil_tmp9~1;~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compFptr~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~routine~0 := 0;~myStatus~0 := 0;~pirp~0 := 0;~Executive~0 := 0;~Suspended~0 := 5;~KernelMode~0 := 0;~DeviceUsageTypePaging~0 := 1;~pirp~0 := ~irp~1; {72194#true} is VALID [2018-11-23 12:39:48,984 INFO L256 TraceCheckUtils]: 6: Hoare triple {72194#true} call _BLAST_init(); {72194#true} is VALID [2018-11-23 12:39:48,985 INFO L273 TraceCheckUtils]: 7: Hoare triple {72194#true} ~UNLOADED~0 := 0;~NP~0 := 1;~DC~0 := 2;~SKIP1~0 := 3;~SKIP2~0 := 4;~MPR1~0 := 5;~MPR3~0 := 6;~IPC~0 := 7;~s~0 := ~UNLOADED~0;~pended~0 := 0;~compFptr~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0; {72196#(<= (+ ~NP~0 2) ~SKIP1~0)} is VALID [2018-11-23 12:39:48,986 INFO L273 TraceCheckUtils]: 8: Hoare triple {72196#(<= (+ ~NP~0 2) ~SKIP1~0)} assume true; {72196#(<= (+ ~NP~0 2) ~SKIP1~0)} is VALID [2018-11-23 12:39:48,986 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {72196#(<= (+ ~NP~0 2) ~SKIP1~0)} {72194#true} #1364#return; {72196#(<= (+ ~NP~0 2) ~SKIP1~0)} is VALID [2018-11-23 12:39:48,987 INFO L273 TraceCheckUtils]: 10: Hoare triple {72196#(<= (+ ~NP~0 2) ~SKIP1~0)} assume ~status~9 >= 0;~s~0 := ~NP~0;~customIrp~0 := 0;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0;~pirp__IoStatus__Status~0 := 0;~myStatus~0 := 0; {72196#(<= (+ ~NP~0 2) ~SKIP1~0)} is VALID [2018-11-23 12:39:48,987 INFO L273 TraceCheckUtils]: 11: Hoare triple {72196#(<= (+ ~NP~0 2) ~SKIP1~0)} assume 0 == ~irp_choice~0;~pirp__IoStatus__Status~0 := -1073741637;~myStatus~0 := -1073741637; {72196#(<= (+ ~NP~0 2) ~SKIP1~0)} is VALID [2018-11-23 12:39:48,987 INFO L256 TraceCheckUtils]: 12: Hoare triple {72196#(<= (+ ~NP~0 2) ~SKIP1~0)} call stub_driver_init(); {72194#true} is VALID [2018-11-23 12:39:48,988 INFO L273 TraceCheckUtils]: 13: Hoare triple {72194#true} ~s~0 := ~NP~0;~customIrp~0 := 0;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0; {72197#(<= ~s~0 ~NP~0)} is VALID [2018-11-23 12:39:48,988 INFO L273 TraceCheckUtils]: 14: Hoare triple {72197#(<= ~s~0 ~NP~0)} assume true; {72197#(<= ~s~0 ~NP~0)} is VALID [2018-11-23 12:39:48,989 INFO L268 TraceCheckUtils]: 15: Hoare quadruple {72197#(<= ~s~0 ~NP~0)} {72196#(<= (+ ~NP~0 2) ~SKIP1~0)} #1366#return; {72198#(<= (+ ~s~0 2) ~SKIP1~0)} is VALID [2018-11-23 12:39:48,989 INFO L273 TraceCheckUtils]: 16: Hoare triple {72198#(<= (+ ~s~0 2) ~SKIP1~0)} assume !(~status~9 < 0);havoc ~tmp_ndt_1~0;assume -2147483648 <= #t~nondet156 && #t~nondet156 <= 2147483647;~tmp_ndt_1~0 := #t~nondet156;havoc #t~nondet156; {72198#(<= (+ ~s~0 2) ~SKIP1~0)} is VALID [2018-11-23 12:39:48,990 INFO L273 TraceCheckUtils]: 17: Hoare triple {72198#(<= (+ ~s~0 2) ~SKIP1~0)} assume !(2 == ~tmp_ndt_1~0);havoc ~tmp_ndt_2~0;assume -2147483648 <= #t~nondet157 && #t~nondet157 <= 2147483647;~tmp_ndt_2~0 := #t~nondet157;havoc #t~nondet157; {72198#(<= (+ ~s~0 2) ~SKIP1~0)} is VALID [2018-11-23 12:39:48,990 INFO L273 TraceCheckUtils]: 18: Hoare triple {72198#(<= (+ ~s~0 2) ~SKIP1~0)} assume !(3 == ~tmp_ndt_2~0);havoc ~tmp_ndt_3~0;assume -2147483648 <= #t~nondet158 && #t~nondet158 <= 2147483647;~tmp_ndt_3~0 := #t~nondet158;havoc #t~nondet158; {72198#(<= (+ ~s~0 2) ~SKIP1~0)} is VALID [2018-11-23 12:39:48,991 INFO L273 TraceCheckUtils]: 19: Hoare triple {72198#(<= (+ ~s~0 2) ~SKIP1~0)} assume 4 == ~tmp_ndt_3~0; {72198#(<= (+ ~s~0 2) ~SKIP1~0)} is VALID [2018-11-23 12:39:48,992 INFO L256 TraceCheckUtils]: 20: Hoare triple {72198#(<= (+ ~s~0 2) ~SKIP1~0)} call #t~ret161 := CdAudioPower(~devobj~0, ~pirp~0); {72199#(= |old(~s~0)| ~s~0)} is VALID [2018-11-23 12:39:48,992 INFO L273 TraceCheckUtils]: 21: Hoare triple {72199#(= |old(~s~0)| ~s~0)} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;assume -2147483648 <= #t~nondet144 && #t~nondet144 <= 2147483647;~Irp__CurrentLocation~1 := #t~nondet144;havoc #t~nondet144;assume -2147483648 <= #t~nondet145 && #t~nondet145 <= 2147483647;~Irp__Tail__Overlay__CurrentStackLocation~3 := #t~nondet145;havoc #t~nondet145;assume -2147483648 <= #t~nondet146 && #t~nondet146 <= 2147483647;~deviceExtension__TargetDeviceObject~4 := #t~nondet146;havoc #t~nondet146;havoc ~tmp~7; {72199#(= |old(~s~0)| ~s~0)} is VALID [2018-11-23 12:39:48,993 INFO L273 TraceCheckUtils]: 22: Hoare triple {72199#(= |old(~s~0)| ~s~0)} assume ~s~0 == ~NP~0;~s~0 := ~SKIP1~0; {72200#(and (<= ~SKIP1~0 ~s~0) (= |old(~s~0)| ~NP~0))} is VALID [2018-11-23 12:39:48,994 INFO L273 TraceCheckUtils]: 23: Hoare triple {72200#(and (<= ~SKIP1~0 ~s~0) (= |old(~s~0)| ~NP~0))} #t~post147 := ~Irp__CurrentLocation~1;~Irp__CurrentLocation~1 := 1 + #t~post147;havoc #t~post147;#t~post148 := ~Irp__Tail__Overlay__CurrentStackLocation~3;~Irp__Tail__Overlay__CurrentStackLocation~3 := 1 + #t~post148;havoc #t~post148; {72200#(and (<= ~SKIP1~0 ~s~0) (= |old(~s~0)| ~NP~0))} is VALID [2018-11-23 12:39:48,995 INFO L256 TraceCheckUtils]: 24: Hoare triple {72200#(and (<= ~SKIP1~0 ~s~0) (= |old(~s~0)| ~NP~0))} call #t~ret149 := PoCallDriver(~deviceExtension__TargetDeviceObject~4, ~Irp); {72199#(= |old(~s~0)| ~s~0)} is VALID [2018-11-23 12:39:48,995 INFO L273 TraceCheckUtils]: 25: Hoare triple {72199#(= |old(~s~0)| ~s~0)} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;havoc ~compRetStatus~1;havoc ~returnVal~0;assume -2147483648 <= #t~nondet170 && #t~nondet170 <= 2147483647;~lcontext~1 := #t~nondet170;havoc #t~nondet170;havoc ~__cil_tmp7~0;havoc ~__cil_tmp8~2; {72199#(= |old(~s~0)| ~s~0)} is VALID [2018-11-23 12:39:48,996 INFO L273 TraceCheckUtils]: 26: Hoare triple {72199#(= |old(~s~0)| ~s~0)} assume !(0 != ~compRegistered~0); {72199#(= |old(~s~0)| ~s~0)} is VALID [2018-11-23 12:39:48,997 INFO L273 TraceCheckUtils]: 27: Hoare triple {72199#(= |old(~s~0)| ~s~0)} havoc ~tmp_ndt_8~0;assume -2147483648 <= #t~nondet173 && #t~nondet173 <= 2147483647;~tmp_ndt_8~0 := #t~nondet173;havoc #t~nondet173; {72199#(= |old(~s~0)| ~s~0)} is VALID [2018-11-23 12:39:48,997 INFO L273 TraceCheckUtils]: 28: Hoare triple {72199#(= |old(~s~0)| ~s~0)} assume !(0 == ~tmp_ndt_8~0);havoc ~tmp_ndt_9~0;assume -2147483648 <= #t~nondet174 && #t~nondet174 <= 2147483647;~tmp_ndt_9~0 := #t~nondet174;havoc #t~nondet174; {72199#(= |old(~s~0)| ~s~0)} is VALID [2018-11-23 12:39:48,998 INFO L273 TraceCheckUtils]: 29: Hoare triple {72199#(= |old(~s~0)| ~s~0)} assume 1 == ~tmp_ndt_9~0; {72199#(= |old(~s~0)| ~s~0)} is VALID [2018-11-23 12:39:48,998 INFO L273 TraceCheckUtils]: 30: Hoare triple {72199#(= |old(~s~0)| ~s~0)} ~returnVal~0 := -1073741823; {72199#(= |old(~s~0)| ~s~0)} is VALID [2018-11-23 12:39:48,999 INFO L273 TraceCheckUtils]: 31: Hoare triple {72199#(= |old(~s~0)| ~s~0)} assume ~s~0 == ~NP~0;~s~0 := ~IPC~0;~lowerDriverReturn~0 := ~returnVal~0; {72201#(= ~NP~0 |old(~s~0)|)} is VALID [2018-11-23 12:39:48,999 INFO L273 TraceCheckUtils]: 32: Hoare triple {72201#(= ~NP~0 |old(~s~0)|)} #res := ~returnVal~0; {72201#(= ~NP~0 |old(~s~0)|)} is VALID [2018-11-23 12:39:49,000 INFO L273 TraceCheckUtils]: 33: Hoare triple {72201#(= ~NP~0 |old(~s~0)|)} assume true; {72201#(= ~NP~0 |old(~s~0)|)} is VALID [2018-11-23 12:39:49,001 INFO L268 TraceCheckUtils]: 34: Hoare quadruple {72201#(= ~NP~0 |old(~s~0)|)} {72200#(and (<= ~SKIP1~0 ~s~0) (= |old(~s~0)| ~NP~0))} #1408#return; {72202#(<= ~SKIP1~0 |old(~s~0)|)} is VALID [2018-11-23 12:39:49,002 INFO L273 TraceCheckUtils]: 35: Hoare triple {72202#(<= ~SKIP1~0 |old(~s~0)|)} assume -2147483648 <= #t~ret149 && #t~ret149 <= 2147483647;~tmp~7 := #t~ret149;havoc #t~ret149;#res := ~tmp~7; {72202#(<= ~SKIP1~0 |old(~s~0)|)} is VALID [2018-11-23 12:39:49,006 INFO L273 TraceCheckUtils]: 36: Hoare triple {72202#(<= ~SKIP1~0 |old(~s~0)|)} assume true; {72202#(<= ~SKIP1~0 |old(~s~0)|)} is VALID [2018-11-23 12:39:49,007 INFO L268 TraceCheckUtils]: 37: Hoare quadruple {72202#(<= ~SKIP1~0 |old(~s~0)|)} {72198#(<= (+ ~s~0 2) ~SKIP1~0)} #1372#return; {72195#false} is VALID [2018-11-23 12:39:49,007 INFO L273 TraceCheckUtils]: 38: Hoare triple {72195#false} assume -2147483648 <= #t~ret161 && #t~ret161 <= 2147483647;~status~9 := #t~ret161;havoc #t~ret161; {72195#false} is VALID [2018-11-23 12:39:49,007 INFO L273 TraceCheckUtils]: 39: Hoare triple {72195#false} assume !(0 != ~we_should_unload~0); {72195#false} is VALID [2018-11-23 12:39:49,008 INFO L273 TraceCheckUtils]: 40: Hoare triple {72195#false} assume !(1 == ~pended~0); {72195#false} is VALID [2018-11-23 12:39:49,008 INFO L273 TraceCheckUtils]: 41: Hoare triple {72195#false} assume !(1 == ~pended~0); {72195#false} is VALID [2018-11-23 12:39:49,008 INFO L273 TraceCheckUtils]: 42: Hoare triple {72195#false} assume ~s~0 != ~UNLOADED~0; {72195#false} is VALID [2018-11-23 12:39:49,008 INFO L273 TraceCheckUtils]: 43: Hoare triple {72195#false} assume -1 != ~status~9; {72195#false} is VALID [2018-11-23 12:39:49,008 INFO L273 TraceCheckUtils]: 44: Hoare triple {72195#false} assume !(~s~0 != ~SKIP2~0); {72195#false} is VALID [2018-11-23 12:39:49,009 INFO L273 TraceCheckUtils]: 45: Hoare triple {72195#false} assume 1 != ~pended~0; {72195#false} is VALID [2018-11-23 12:39:49,009 INFO L273 TraceCheckUtils]: 46: Hoare triple {72195#false} assume ~s~0 == ~DC~0; {72195#false} is VALID [2018-11-23 12:39:49,009 INFO L273 TraceCheckUtils]: 47: Hoare triple {72195#false} assume 259 == ~status~9; {72195#false} is VALID [2018-11-23 12:39:49,009 INFO L256 TraceCheckUtils]: 48: Hoare triple {72195#false} call errorFn(); {72195#false} is VALID [2018-11-23 12:39:49,009 INFO L273 TraceCheckUtils]: 49: Hoare triple {72195#false} assume !false; {72195#false} is VALID [2018-11-23 12:39:49,012 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 12:39:49,012 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:39:49,012 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-23 12:39:49,012 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 50 [2018-11-23 12:39:49,013 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 12:39:49,013 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states. [2018-11-23 12:39:49,066 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 12:39:49,067 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 12:39:49,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 12:39:49,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-11-23 12:39:49,068 INFO L87 Difference]: Start difference. First operand 875 states and 1181 transitions. Second operand 9 states. [2018-11-23 12:40:06,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:40:06,147 INFO L93 Difference]: Finished difference Result 1188 states and 1640 transitions. [2018-11-23 12:40:06,147 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-23 12:40:06,147 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 50 [2018-11-23 12:40:06,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:40:06,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2018-11-23 12:40:06,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1292 transitions. [2018-11-23 12:40:06,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2018-11-23 12:40:06,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1292 transitions. [2018-11-23 12:40:06,165 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 15 states and 1292 transitions. [2018-11-23 12:40:07,941 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 1292 edges. 1292 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:40:08,023 INFO L225 Difference]: With dead ends: 1188 [2018-11-23 12:40:08,023 INFO L226 Difference]: Without dead ends: 1119 [2018-11-23 12:40:08,024 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=80, Invalid=262, Unknown=0, NotChecked=0, Total=342 [2018-11-23 12:40:08,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1119 states. [2018-11-23 12:40:10,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1119 to 887. [2018-11-23 12:40:10,495 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 12:40:10,495 INFO L82 GeneralOperation]: Start isEquivalent. First operand 1119 states. Second operand 887 states. [2018-11-23 12:40:10,495 INFO L74 IsIncluded]: Start isIncluded. First operand 1119 states. Second operand 887 states. [2018-11-23 12:40:10,495 INFO L87 Difference]: Start difference. First operand 1119 states. Second operand 887 states. [2018-11-23 12:40:10,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:40:10,545 INFO L93 Difference]: Finished difference Result 1119 states and 1555 transitions. [2018-11-23 12:40:10,545 INFO L276 IsEmpty]: Start isEmpty. Operand 1119 states and 1555 transitions. [2018-11-23 12:40:10,546 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:40:10,546 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:40:10,546 INFO L74 IsIncluded]: Start isIncluded. First operand 887 states. Second operand 1119 states. [2018-11-23 12:40:10,546 INFO L87 Difference]: Start difference. First operand 887 states. Second operand 1119 states. [2018-11-23 12:40:10,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:40:10,616 INFO L93 Difference]: Finished difference Result 1119 states and 1555 transitions. [2018-11-23 12:40:10,617 INFO L276 IsEmpty]: Start isEmpty. Operand 1119 states and 1555 transitions. [2018-11-23 12:40:10,619 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:40:10,619 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:40:10,619 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 12:40:10,619 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 12:40:10,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 887 states. [2018-11-23 12:40:10,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 887 states and 1205 transitions. [2018-11-23 12:40:10,661 INFO L78 Accepts]: Start accepts. Automaton has 887 states and 1205 transitions. Word has length 50 [2018-11-23 12:40:10,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:40:10,661 INFO L480 AbstractCegarLoop]: Abstraction has 887 states and 1205 transitions. [2018-11-23 12:40:10,662 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 12:40:10,662 INFO L276 IsEmpty]: Start isEmpty. Operand 887 states and 1205 transitions. [2018-11-23 12:40:10,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 12:40:10,663 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:40:10,663 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 12:40:10,664 INFO L423 AbstractCegarLoop]: === Iteration 19 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:40:10,664 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:40:10,664 INFO L82 PathProgramCache]: Analyzing trace with hash -1728648689, now seen corresponding path program 1 times [2018-11-23 12:40:10,664 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:40:10,664 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:40:10,665 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:40:10,665 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:40:10,665 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:40:10,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:40:10,855 INFO L256 TraceCheckUtils]: 0: Hoare triple {77151#true} call ULTIMATE.init(); {77151#true} is VALID [2018-11-23 12:40:10,855 INFO L273 TraceCheckUtils]: 1: Hoare triple {77151#true} ~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compFptr~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~routine~0 := 0;~myStatus~0 := 0;~pirp~0 := 0;~Executive~0 := 0;~Suspended~0 := 0;~KernelMode~0 := 0;~DeviceUsageTypePaging~0 := 0; {77151#true} is VALID [2018-11-23 12:40:10,856 INFO L273 TraceCheckUtils]: 2: Hoare triple {77151#true} assume true; {77151#true} is VALID [2018-11-23 12:40:10,856 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {77151#true} {77151#true} #1496#return; {77151#true} is VALID [2018-11-23 12:40:10,856 INFO L256 TraceCheckUtils]: 4: Hoare triple {77151#true} call #t~ret176 := main(); {77151#true} is VALID [2018-11-23 12:40:10,856 INFO L273 TraceCheckUtils]: 5: Hoare triple {77151#true} havoc ~pirp__IoStatus__Status~0;assume -2147483648 <= #t~nondet150 && #t~nondet150 <= 2147483647;~d~0 := #t~nondet150;havoc #t~nondet150;assume -2147483648 <= #t~nondet151 && #t~nondet151 <= 2147483647;~status~9 := #t~nondet151;havoc #t~nondet151;assume -2147483648 <= #t~nondet152 && #t~nondet152 <= 2147483647;~irp~1 := #t~nondet152;havoc #t~nondet152;assume -2147483648 <= #t~nondet153 && #t~nondet153 <= 2147483647;~we_should_unload~0 := #t~nondet153;havoc #t~nondet153;assume -2147483648 <= #t~nondet154 && #t~nondet154 <= 2147483647;~irp_choice~0 := #t~nondet154;havoc #t~nondet154;assume -2147483648 <= #t~nondet155 && #t~nondet155 <= 2147483647;~devobj~0 := #t~nondet155;havoc #t~nondet155;havoc ~__cil_tmp9~1;~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compFptr~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~routine~0 := 0;~myStatus~0 := 0;~pirp~0 := 0;~Executive~0 := 0;~Suspended~0 := 5;~KernelMode~0 := 0;~DeviceUsageTypePaging~0 := 1;~pirp~0 := ~irp~1; {77151#true} is VALID [2018-11-23 12:40:10,856 INFO L256 TraceCheckUtils]: 6: Hoare triple {77151#true} call _BLAST_init(); {77151#true} is VALID [2018-11-23 12:40:10,856 INFO L273 TraceCheckUtils]: 7: Hoare triple {77151#true} ~UNLOADED~0 := 0;~NP~0 := 1;~DC~0 := 2;~SKIP1~0 := 3;~SKIP2~0 := 4;~MPR1~0 := 5;~MPR3~0 := 6;~IPC~0 := 7;~s~0 := ~UNLOADED~0;~pended~0 := 0;~compFptr~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0; {77151#true} is VALID [2018-11-23 12:40:10,856 INFO L273 TraceCheckUtils]: 8: Hoare triple {77151#true} assume true; {77151#true} is VALID [2018-11-23 12:40:10,857 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {77151#true} {77151#true} #1364#return; {77151#true} is VALID [2018-11-23 12:40:10,857 INFO L273 TraceCheckUtils]: 10: Hoare triple {77151#true} assume ~status~9 >= 0;~s~0 := ~NP~0;~customIrp~0 := 0;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0;~pirp__IoStatus__Status~0 := 0;~myStatus~0 := 0; {77151#true} is VALID [2018-11-23 12:40:10,857 INFO L273 TraceCheckUtils]: 11: Hoare triple {77151#true} assume 0 == ~irp_choice~0;~pirp__IoStatus__Status~0 := -1073741637;~myStatus~0 := -1073741637; {77151#true} is VALID [2018-11-23 12:40:10,857 INFO L256 TraceCheckUtils]: 12: Hoare triple {77151#true} call stub_driver_init(); {77151#true} is VALID [2018-11-23 12:40:10,857 INFO L273 TraceCheckUtils]: 13: Hoare triple {77151#true} ~s~0 := ~NP~0;~customIrp~0 := 0;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0; {77151#true} is VALID [2018-11-23 12:40:10,857 INFO L273 TraceCheckUtils]: 14: Hoare triple {77151#true} assume true; {77151#true} is VALID [2018-11-23 12:40:10,857 INFO L268 TraceCheckUtils]: 15: Hoare quadruple {77151#true} {77151#true} #1366#return; {77151#true} is VALID [2018-11-23 12:40:10,858 INFO L273 TraceCheckUtils]: 16: Hoare triple {77151#true} assume !(~status~9 < 0);havoc ~tmp_ndt_1~0;assume -2147483648 <= #t~nondet156 && #t~nondet156 <= 2147483647;~tmp_ndt_1~0 := #t~nondet156;havoc #t~nondet156; {77151#true} is VALID [2018-11-23 12:40:10,858 INFO L273 TraceCheckUtils]: 17: Hoare triple {77151#true} assume 2 == ~tmp_ndt_1~0; {77151#true} is VALID [2018-11-23 12:40:10,858 INFO L256 TraceCheckUtils]: 18: Hoare triple {77151#true} call #t~ret159 := CdAudioDeviceControl(~devobj~0, ~pirp~0); {77151#true} is VALID [2018-11-23 12:40:10,858 INFO L273 TraceCheckUtils]: 19: Hoare triple {77151#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;assume -2147483648 <= #t~nondet26 && #t~nondet26 <= 2147483647;~deviceExtension__Active~1 := #t~nondet26;havoc #t~nondet26;havoc ~status~3; {77151#true} is VALID [2018-11-23 12:40:10,858 INFO L273 TraceCheckUtils]: 20: Hoare triple {77151#true} assume !(2 == ~deviceExtension__Active~1); {77151#true} is VALID [2018-11-23 12:40:10,858 INFO L273 TraceCheckUtils]: 21: Hoare triple {77151#true} assume 3 == ~deviceExtension__Active~1; {77151#true} is VALID [2018-11-23 12:40:10,858 INFO L256 TraceCheckUtils]: 22: Hoare triple {77151#true} call #t~ret28 := CdAudio435DeviceControl(~DeviceObject, ~Irp); {77151#true} is VALID [2018-11-23 12:40:10,858 INFO L273 TraceCheckUtils]: 23: Hoare triple {77151#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;assume -2147483648 <= #t~nondet94 && #t~nondet94 <= 2147483647;~currentIrpStack__Parameters__DeviceIoControl__IoControlCode~1 := #t~nondet94;havoc #t~nondet94;assume -2147483648 <= #t~nondet95 && #t~nondet95 <= 2147483647;~currentIrpStack__Parameters__DeviceIoControl__OutputBufferLength~1 := #t~nondet95;havoc #t~nondet95;assume -2147483648 <= #t~nondet96 && #t~nondet96 <= 2147483647;~currentIrpStack__Parameters__DeviceIoControl__InputBufferLength~1 := #t~nondet96;havoc #t~nondet96;assume -2147483648 <= #t~nondet97 && #t~nondet97 <= 2147483647;~TrackData__0~0 := #t~nondet97;havoc #t~nondet97;havoc ~Irp__IoStatus__Information~1;havoc ~srb__TimeOutValue~1;havoc ~srb__CdbLength~1;assume -2147483648 <= #t~nondet98 && #t~nondet98 <= 2147483647;~sizeof__CDROM_TOC~1 := #t~nondet98;havoc #t~nondet98;assume -2147483648 <= #t~nondet99 && #t~nondet99 <= 2147483647;~cdaudioDataOut__LastTrack~1 := #t~nondet99;havoc #t~nondet99;assume -2147483648 <= #t~nondet100 && #t~nondet100 <= 2147483647;~cdaudioDataOut__FirstTrack~1 := #t~nondet100;havoc #t~nondet100;assume -2147483648 <= #t~nondet101 && #t~nondet101 <= 2147483647;~sizeof__CDROM_PLAY_AUDIO_MSF~1 := #t~nondet101;havoc #t~nondet101;assume -2147483648 <= #t~nondet102 && #t~nondet102 <= 2147483647;~sizeof__CDROM_SEEK_AUDIO_MSF~1 := #t~nondet102;havoc #t~nondet102;assume -2147483648 <= #t~nondet103 && #t~nondet103 <= 2147483647;~deviceExtension__Paused~0 := #t~nondet103;havoc #t~nondet103;havoc ~deviceExtension__PlayActive~1;assume -2147483648 <= #t~nondet104 && #t~nondet104 <= 2147483647;~sizeof__SUB_Q_CHANNEL_DATA~0 := #t~nondet104;havoc #t~nondet104;assume -2147483648 <= #t~nondet105 && #t~nondet105 <= 2147483647;~sizeof__SUB_Q_CURRENT_POSITION~1 := #t~nondet105;havoc #t~nondet105;assume -2147483648 <= #t~nondet106 && #t~nondet106 <= 2147483647;~deviceExtension~2 := #t~nondet106;havoc #t~nondet106;assume -2147483648 <= #t~nondet107 && #t~nondet107 <= 2147483647;~srb~2 := #t~nondet107;havoc #t~nondet107;havoc ~status~6;assume -2147483648 <= #t~nondet108 && #t~nondet108 <= 2147483647;~i~1 := #t~nondet108;havoc #t~nondet108;havoc ~bytesTransfered~1;assume -2147483648 <= #t~nondet109 && #t~nondet109 <= 2147483647;~Toc~1 := #t~nondet109;havoc #t~nondet109;havoc ~tmp~4;havoc ~tracksToReturn~1;havoc ~tracksOnCd~1;havoc ~tracksInBuffer~1;assume -2147483648 <= #t~nondet110 && #t~nondet110 <= 2147483647;~SubQPtr~1 := #t~nondet110;havoc #t~nondet110;assume -2147483648 <= #t~nondet111 && #t~nondet111 <= 2147483647;~userPtr__Format~1 := #t~nondet111;havoc #t~nondet111;assume -2147483648 <= #t~nondet112 && #t~nondet112 <= 2147483647;~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 := 16384;~__cil_tmp36~0 := 131072;~__cil_tmp37~0 := 147456; {77151#true} is VALID [2018-11-23 12:40:10,859 INFO L273 TraceCheckUtils]: 24: Hoare triple {77151#true} assume ~currentIrpStack__Parameters__DeviceIoControl__IoControlCode~1 == ~__cil_tmp37~0; {77151#true} is VALID [2018-11-23 12:40:10,859 INFO L273 TraceCheckUtils]: 25: Hoare triple {77151#true} assume ~currentIrpStack__Parameters__DeviceIoControl__OutputBufferLength~1 < ~TrackData__0~0;~status~6 := -1073741789;~Irp__IoStatus__Information~1 := 0; {77151#true} is VALID [2018-11-23 12:40:10,859 INFO L273 TraceCheckUtils]: 26: Hoare triple {77151#true} ~__cil_tmp116~0 := ~status~6; {77151#true} is VALID [2018-11-23 12:40:10,859 INFO L273 TraceCheckUtils]: 27: Hoare triple {77151#true} assume 2147483670 == ~__cil_tmp116~0 % 4294967296;~Irp__IoStatus__Information~1 := 0; {77151#true} is VALID [2018-11-23 12:40:10,859 INFO L273 TraceCheckUtils]: 28: Hoare triple {77151#true} ~myStatus~0 := ~status~6; {77151#true} is VALID [2018-11-23 12:40:10,859 INFO L256 TraceCheckUtils]: 29: Hoare triple {77151#true} call IofCompleteRequest(~Irp, 0); {77151#true} is VALID [2018-11-23 12:40:10,860 INFO L273 TraceCheckUtils]: 30: Hoare triple {77151#true} ~Irp := #in~Irp;~PriorityBoost := #in~PriorityBoost; {77151#true} is VALID [2018-11-23 12:40:10,860 INFO L273 TraceCheckUtils]: 31: Hoare triple {77151#true} assume ~s~0 == ~NP~0;~s~0 := ~DC~0; {77153#(= ~DC~0 ~s~0)} is VALID [2018-11-23 12:40:10,864 INFO L273 TraceCheckUtils]: 32: Hoare triple {77153#(= ~DC~0 ~s~0)} assume true; {77153#(= ~DC~0 ~s~0)} is VALID [2018-11-23 12:40:10,866 INFO L268 TraceCheckUtils]: 33: Hoare quadruple {77153#(= ~DC~0 ~s~0)} {77151#true} #1548#return; {77153#(= ~DC~0 ~s~0)} is VALID [2018-11-23 12:40:10,866 INFO L273 TraceCheckUtils]: 34: Hoare triple {77153#(= ~DC~0 ~s~0)} #res := ~status~6; {77153#(= ~DC~0 ~s~0)} is VALID [2018-11-23 12:40:10,868 INFO L273 TraceCheckUtils]: 35: Hoare triple {77153#(= ~DC~0 ~s~0)} assume true; {77153#(= ~DC~0 ~s~0)} is VALID [2018-11-23 12:40:10,868 INFO L268 TraceCheckUtils]: 36: Hoare quadruple {77153#(= ~DC~0 ~s~0)} {77151#true} #1488#return; {77153#(= ~DC~0 ~s~0)} is VALID [2018-11-23 12:40:10,870 INFO L273 TraceCheckUtils]: 37: Hoare triple {77153#(= ~DC~0 ~s~0)} assume -2147483648 <= #t~ret28 && #t~ret28 <= 2147483647;~status~3 := #t~ret28;havoc #t~ret28; {77153#(= ~DC~0 ~s~0)} is VALID [2018-11-23 12:40:10,879 INFO L273 TraceCheckUtils]: 38: Hoare triple {77153#(= ~DC~0 ~s~0)} #res := ~status~3; {77153#(= ~DC~0 ~s~0)} is VALID [2018-11-23 12:40:10,891 INFO L273 TraceCheckUtils]: 39: Hoare triple {77153#(= ~DC~0 ~s~0)} assume true; {77153#(= ~DC~0 ~s~0)} is VALID [2018-11-23 12:40:10,904 INFO L268 TraceCheckUtils]: 40: Hoare quadruple {77153#(= ~DC~0 ~s~0)} {77151#true} #1368#return; {77153#(= ~DC~0 ~s~0)} is VALID [2018-11-23 12:40:10,917 INFO L273 TraceCheckUtils]: 41: Hoare triple {77153#(= ~DC~0 ~s~0)} assume -2147483648 <= #t~ret159 && #t~ret159 <= 2147483647;~status~9 := #t~ret159;havoc #t~ret159; {77153#(= ~DC~0 ~s~0)} is VALID [2018-11-23 12:40:10,929 INFO L273 TraceCheckUtils]: 42: Hoare triple {77153#(= ~DC~0 ~s~0)} assume !(0 != ~we_should_unload~0); {77153#(= ~DC~0 ~s~0)} is VALID [2018-11-23 12:40:10,942 INFO L273 TraceCheckUtils]: 43: Hoare triple {77153#(= ~DC~0 ~s~0)} assume !(1 == ~pended~0); {77153#(= ~DC~0 ~s~0)} is VALID [2018-11-23 12:40:10,942 INFO L273 TraceCheckUtils]: 44: Hoare triple {77153#(= ~DC~0 ~s~0)} assume !(1 == ~pended~0); {77153#(= ~DC~0 ~s~0)} is VALID [2018-11-23 12:40:10,944 INFO L273 TraceCheckUtils]: 45: Hoare triple {77153#(= ~DC~0 ~s~0)} assume ~s~0 != ~UNLOADED~0; {77153#(= ~DC~0 ~s~0)} is VALID [2018-11-23 12:40:10,944 INFO L273 TraceCheckUtils]: 46: Hoare triple {77153#(= ~DC~0 ~s~0)} assume -1 != ~status~9; {77153#(= ~DC~0 ~s~0)} is VALID [2018-11-23 12:40:10,946 INFO L273 TraceCheckUtils]: 47: Hoare triple {77153#(= ~DC~0 ~s~0)} assume ~s~0 != ~SKIP2~0; {77153#(= ~DC~0 ~s~0)} is VALID [2018-11-23 12:40:10,946 INFO L273 TraceCheckUtils]: 48: Hoare triple {77153#(= ~DC~0 ~s~0)} assume ~s~0 != ~IPC~0; {77153#(= ~DC~0 ~s~0)} is VALID [2018-11-23 12:40:10,948 INFO L273 TraceCheckUtils]: 49: Hoare triple {77153#(= ~DC~0 ~s~0)} assume ~s~0 != ~DC~0; {77152#false} is VALID [2018-11-23 12:40:10,948 INFO L256 TraceCheckUtils]: 50: Hoare triple {77152#false} call errorFn(); {77152#false} is VALID [2018-11-23 12:40:10,948 INFO L273 TraceCheckUtils]: 51: Hoare triple {77152#false} assume !false; {77152#false} is VALID [2018-11-23 12:40:10,949 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 12:40:10,949 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:40:10,950 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 12:40:10,950 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-23 12:40:10,950 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 12:40:10,950 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2018-11-23 12:40:11,016 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 12:40:11,016 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 12:40:11,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 12:40:11,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 12:40:11,017 INFO L87 Difference]: Start difference. First operand 887 states and 1205 transitions. Second operand 3 states. [2018-11-23 12:40:16,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:40:16,777 INFO L93 Difference]: Finished difference Result 912 states and 1233 transitions. [2018-11-23 12:40:16,778 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 12:40:16,778 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-23 12:40:16,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:40:16,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 12:40:16,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 736 transitions. [2018-11-23 12:40:16,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 12:40:16,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 736 transitions. [2018-11-23 12:40:16,788 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 736 transitions.