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/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default-Const.epf -i ../../../trunk/examples/svcomp/ntdrivers-simplified/cdaudio_simpl1_true-unreach-call_true-valid-memsafety_true-termination.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-370d6ab [2018-11-14 19:01:01,039 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-14 19:01:01,041 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-14 19:01:01,053 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-14 19:01:01,054 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-14 19:01:01,055 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-14 19:01:01,056 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-14 19:01:01,058 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-14 19:01:01,059 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-14 19:01:01,060 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-14 19:01:01,061 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-14 19:01:01,061 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-14 19:01:01,062 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-14 19:01:01,063 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-14 19:01:01,064 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-14 19:01:01,065 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-14 19:01:01,066 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-14 19:01:01,068 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-14 19:01:01,070 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-14 19:01:01,071 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-14 19:01:01,072 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-14 19:01:01,074 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-14 19:01:01,076 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-14 19:01:01,076 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-14 19:01:01,077 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-14 19:01:01,077 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-14 19:01:01,078 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-14 19:01:01,079 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-14 19:01:01,080 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-14 19:01:01,081 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-14 19:01:01,081 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-14 19:01:01,082 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-14 19:01:01,082 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-14 19:01:01,083 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-14 19:01:01,084 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-14 19:01:01,084 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-14 19:01:01,085 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default-Const.epf [2018-11-14 19:01:01,103 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-14 19:01:01,103 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-14 19:01:01,104 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-14 19:01:01,104 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-14 19:01:01,105 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-14 19:01:01,105 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-14 19:01:01,105 INFO L133 SettingsManager]: * Use SBE=true [2018-11-14 19:01:01,105 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-14 19:01:01,106 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-14 19:01:01,106 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-14 19:01:01,106 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-14 19:01:01,106 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-14 19:01:01,106 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-14 19:01:01,107 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-14 19:01:01,108 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-14 19:01:01,108 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-14 19:01:01,108 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-14 19:01:01,108 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-14 19:01:01,108 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-14 19:01:01,110 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-14 19:01:01,110 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-14 19:01:01,110 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-14 19:01:01,110 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-14 19:01:01,110 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-14 19:01:01,111 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-14 19:01:01,111 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-14 19:01:01,111 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-14 19:01:01,111 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-14 19:01:01,111 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-14 19:01:01,112 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-14 19:01:01,112 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-14 19:01:01,180 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-14 19:01:01,195 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-14 19:01:01,200 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-14 19:01:01,201 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-14 19:01:01,202 INFO L276 PluginConnector]: CDTParser initialized [2018-11-14 19:01:01,202 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/cdaudio_simpl1_true-unreach-call_true-valid-memsafety_true-termination.cil.c [2018-11-14 19:01:01,270 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0431434a6/9526ceec0aad4a7680e1669473e1e068/FLAG47443160d [2018-11-14 19:01:01,890 INFO L298 CDTParser]: Found 1 translation units. [2018-11-14 19:01:01,890 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/cdaudio_simpl1_true-unreach-call_true-valid-memsafety_true-termination.cil.c [2018-11-14 19:01:01,909 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0431434a6/9526ceec0aad4a7680e1669473e1e068/FLAG47443160d [2018-11-14 19:01:01,926 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0431434a6/9526ceec0aad4a7680e1669473e1e068 [2018-11-14 19:01:01,935 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-14 19:01:01,936 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-11-14 19:01:01,938 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-14 19:01:01,938 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-14 19:01:01,942 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-14 19:01:01,943 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 07:01:01" (1/1) ... [2018-11-14 19:01:01,946 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d205627 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:01:01, skipping insertion in model container [2018-11-14 19:01:01,946 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 07:01:01" (1/1) ... [2018-11-14 19:01:01,957 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-14 19:01:02,029 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-14 19:01:02,602 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-14 19:01:02,607 INFO L191 MainTranslator]: Completed pre-run [2018-11-14 19:01:02,754 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-14 19:01:02,900 INFO L195 MainTranslator]: Completed translation [2018-11-14 19:01:02,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:01:02 WrapperNode [2018-11-14 19:01:02,901 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-14 19:01:02,902 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-14 19:01:02,902 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-14 19:01:02,902 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-14 19:01:02,913 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:01:02" (1/1) ... [2018-11-14 19:01:02,913 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:01:02" (1/1) ... [2018-11-14 19:01:02,935 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:01:02" (1/1) ... [2018-11-14 19:01:02,935 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:01:02" (1/1) ... [2018-11-14 19:01:02,999 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:01:02" (1/1) ... [2018-11-14 19:01:03,031 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:01:02" (1/1) ... [2018-11-14 19:01:03,049 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:01:02" (1/1) ... [2018-11-14 19:01:03,067 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-14 19:01:03,067 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-14 19:01:03,067 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-14 19:01:03,068 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-14 19:01:03,069 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:01:02" (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 [2018-11-14 19:01:03,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-14 19:01:03,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-14 19:01:03,144 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2018-11-14 19:01:03,144 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2018-11-14 19:01:03,145 INFO L138 BoogieDeclarations]: Found implementation of procedure SendSrbSynchronous [2018-11-14 19:01:03,145 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioSignalCompletion [2018-11-14 19:01:03,145 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioStartDevice [2018-11-14 19:01:03,145 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioPnp [2018-11-14 19:01:03,145 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioDeviceControl [2018-11-14 19:01:03,147 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioSendToNextDriver [2018-11-14 19:01:03,148 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioIsPlayActive [2018-11-14 19:01:03,148 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudio535DeviceControl [2018-11-14 19:01:03,148 INFO L138 BoogieDeclarations]: Found implementation of procedure AG_SetStatusAndReturn [2018-11-14 19:01:03,148 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudio435DeviceControl [2018-11-14 19:01:03,149 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioAtapiDeviceControl [2018-11-14 19:01:03,149 INFO L138 BoogieDeclarations]: Found implementation of procedure HpCdrProcessLastSession [2018-11-14 19:01:03,149 INFO L138 BoogieDeclarations]: Found implementation of procedure HPCdrCompletion [2018-11-14 19:01:03,149 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioHPCdrDeviceControl [2018-11-14 19:01:03,149 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioForwardIrpSynchronous [2018-11-14 19:01:03,150 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioUnload [2018-11-14 19:01:03,152 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioPower [2018-11-14 19:01:03,153 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2018-11-14 19:01:03,153 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-14 19:01:03,153 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2018-11-14 19:01:03,153 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2018-11-14 19:01:03,153 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2018-11-14 19:01:03,154 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2018-11-14 19:01:03,154 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2018-11-14 19:01:03,154 INFO L138 BoogieDeclarations]: Found implementation of procedure PoCallDriver [2018-11-14 19:01:03,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2018-11-14 19:01:03,154 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-14 19:01:03,155 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2018-11-14 19:01:03,155 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-14 19:01:03,155 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2018-11-14 19:01:03,155 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2018-11-14 19:01:03,155 INFO L130 BoogieDeclarations]: Found specification of procedure SendSrbSynchronous [2018-11-14 19:01:03,156 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioSignalCompletion [2018-11-14 19:01:03,156 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioStartDevice [2018-11-14 19:01:03,156 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioPnp [2018-11-14 19:01:03,156 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioDeviceControl [2018-11-14 19:01:03,157 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioSendToNextDriver [2018-11-14 19:01:03,157 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioIsPlayActive [2018-11-14 19:01:03,157 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudio535DeviceControl [2018-11-14 19:01:03,157 INFO L130 BoogieDeclarations]: Found specification of procedure AG_SetStatusAndReturn [2018-11-14 19:01:03,157 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudio435DeviceControl [2018-11-14 19:01:03,158 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioAtapiDeviceControl [2018-11-14 19:01:03,158 INFO L130 BoogieDeclarations]: Found specification of procedure HPCdrCompletion [2018-11-14 19:01:03,158 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioHPCdrDeviceControl [2018-11-14 19:01:03,158 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioForwardIrpSynchronous [2018-11-14 19:01:03,158 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioPower [2018-11-14 19:01:03,158 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2018-11-14 19:01:03,159 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2018-11-14 19:01:03,159 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2018-11-14 19:01:03,159 INFO L130 BoogieDeclarations]: Found specification of procedure PoCallDriver [2018-11-14 19:01:03,159 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2018-11-14 19:01:03,159 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2018-11-14 19:01:03,159 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2018-11-14 19:01:03,159 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2018-11-14 19:01:03,160 INFO L130 BoogieDeclarations]: Found specification of procedure HpCdrProcessLastSession [2018-11-14 19:01:03,160 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioUnload [2018-11-14 19:01:03,160 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2018-11-14 19:01:03,160 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-14 19:01:03,161 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2018-11-14 19:01:03,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-14 19:01:03,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-14 19:01:04,344 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-14 19:01:04,344 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-14 19:01:04,616 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-14 19:01:04,617 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-14 19:01:05,174 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-14 19:01:05,174 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-14 19:01:05,543 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-14 19:01:05,543 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-14 19:01:05,951 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-14 19:01:05,952 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-14 19:01:06,600 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-14 19:01:06,600 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-14 19:01:06,759 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-14 19:01:06,759 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-14 19:01:06,825 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-14 19:01:06,826 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-14 19:01:07,408 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-14 19:01:07,409 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-14 19:01:07,654 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-14 19:01:07,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 07:01:07 BoogieIcfgContainer [2018-11-14 19:01:07,655 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-14 19:01:07,656 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-14 19:01:07,656 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-14 19:01:07,659 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-14 19:01:07,659 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 07:01:01" (1/3) ... [2018-11-14 19:01:07,660 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3346c924 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 07:01:07, skipping insertion in model container [2018-11-14 19:01:07,660 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:01:02" (2/3) ... [2018-11-14 19:01:07,661 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3346c924 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 07:01:07, skipping insertion in model container [2018-11-14 19:01:07,661 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 07:01:07" (3/3) ... [2018-11-14 19:01:07,663 INFO L112 eAbstractionObserver]: Analyzing ICFG cdaudio_simpl1_true-unreach-call_true-valid-memsafety_true-termination.cil.c [2018-11-14 19:01:07,673 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-14 19:01:07,682 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-14 19:01:07,700 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-14 19:01:07,737 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-14 19:01:07,738 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-14 19:01:07,738 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-14 19:01:07,738 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-14 19:01:07,738 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-14 19:01:07,738 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-14 19:01:07,738 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-14 19:01:07,738 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-14 19:01:07,738 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-14 19:01:07,775 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states. [2018-11-14 19:01:07,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-14 19:01:07,787 INFO L367 BasicCegarLoop]: Found error trace [2018-11-14 19:01:07,788 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-14 19:01:07,790 INFO L423 AbstractCegarLoop]: === Iteration 1 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-14 19:01:07,795 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-14 19:01:07,795 INFO L82 PathProgramCache]: Analyzing trace with hash -545325625, now seen corresponding path program 1 times [2018-11-14 19:01:07,797 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-14 19:01:07,797 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-14 19:01:07,849 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-14 19:01:07,849 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-14 19:01:07,849 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-14 19:01:07,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 19:01:08,240 INFO L256 TraceCheckUtils]: 0: Hoare triple {519#true} call ULTIMATE.init(); {519#true} is VALID [2018-11-14 19:01:08,244 INFO L273 TraceCheckUtils]: 1: Hoare triple {519#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; {519#true} is VALID [2018-11-14 19:01:08,245 INFO L273 TraceCheckUtils]: 2: Hoare triple {519#true} assume true; {519#true} is VALID [2018-11-14 19:01:08,245 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {519#true} {519#true} #1497#return; {519#true} is VALID [2018-11-14 19:01:08,247 INFO L256 TraceCheckUtils]: 4: Hoare triple {519#true} call #t~ret176 := main(); {519#true} is VALID [2018-11-14 19:01:08,247 INFO L273 TraceCheckUtils]: 5: Hoare triple {519#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; {519#true} is VALID [2018-11-14 19:01:08,248 INFO L256 TraceCheckUtils]: 6: Hoare triple {519#true} call _BLAST_init(); {519#true} is VALID [2018-11-14 19:01:08,267 INFO L273 TraceCheckUtils]: 7: Hoare triple {519#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; {521#(= ~UNLOADED~0 ~s~0)} is VALID [2018-11-14 19:01:08,282 INFO L273 TraceCheckUtils]: 8: Hoare triple {521#(= ~UNLOADED~0 ~s~0)} assume true; {521#(= ~UNLOADED~0 ~s~0)} is VALID [2018-11-14 19:01:08,296 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {521#(= ~UNLOADED~0 ~s~0)} {519#true} #1365#return; {521#(= ~UNLOADED~0 ~s~0)} is VALID [2018-11-14 19:01:08,307 INFO L273 TraceCheckUtils]: 10: Hoare triple {521#(= ~UNLOADED~0 ~s~0)} assume !(~status~9 >= 0); {521#(= ~UNLOADED~0 ~s~0)} is VALID [2018-11-14 19:01:08,320 INFO L273 TraceCheckUtils]: 11: Hoare triple {521#(= ~UNLOADED~0 ~s~0)} assume !(~pended~0 == 1); {521#(= ~UNLOADED~0 ~s~0)} is VALID [2018-11-14 19:01:08,333 INFO L273 TraceCheckUtils]: 12: Hoare triple {521#(= ~UNLOADED~0 ~s~0)} assume !(~pended~0 == 1); {521#(= ~UNLOADED~0 ~s~0)} is VALID [2018-11-14 19:01:08,343 INFO L273 TraceCheckUtils]: 13: Hoare triple {521#(= ~UNLOADED~0 ~s~0)} assume ~s~0 != ~UNLOADED~0; {520#false} is VALID [2018-11-14 19:01:08,343 INFO L273 TraceCheckUtils]: 14: Hoare triple {520#false} assume ~status~9 != -1; {520#false} is VALID [2018-11-14 19:01:08,343 INFO L273 TraceCheckUtils]: 15: Hoare triple {520#false} assume ~s~0 != ~SKIP2~0; {520#false} is VALID [2018-11-14 19:01:08,344 INFO L273 TraceCheckUtils]: 16: Hoare triple {520#false} assume ~s~0 != ~IPC~0; {520#false} is VALID [2018-11-14 19:01:08,344 INFO L273 TraceCheckUtils]: 17: Hoare triple {520#false} assume ~s~0 != ~DC~0; {520#false} is VALID [2018-11-14 19:01:08,344 INFO L256 TraceCheckUtils]: 18: Hoare triple {520#false} call errorFn(); {520#false} is VALID [2018-11-14 19:01:08,345 INFO L273 TraceCheckUtils]: 19: Hoare triple {520#false} assume !false; {520#false} is VALID [2018-11-14 19:01:08,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-14 19:01:08,352 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-14 19:01:08,353 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-14 19:01:08,358 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2018-11-14 19:01:08,362 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-14 19:01:08,366 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2018-11-14 19:01:08,442 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 19:01:08,442 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-14 19:01:08,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-14 19:01:08,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-14 19:01:08,454 INFO L87 Difference]: Start difference. First operand 516 states. Second operand 3 states. [2018-11-14 19:01:11,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 19:01:11,470 INFO L93 Difference]: Finished difference Result 889 states and 1375 transitions. [2018-11-14 19:01:11,470 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-14 19:01:11,471 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2018-11-14 19:01:11,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-14 19:01:11,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-14 19:01:11,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1375 transitions. [2018-11-14 19:01:11,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-14 19:01:11,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1375 transitions. [2018-11-14 19:01:11,573 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 1375 transitions. [2018-11-14 19:01:13,595 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 1375 edges. 1375 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 19:01:13,696 INFO L225 Difference]: With dead ends: 889 [2018-11-14 19:01:13,696 INFO L226 Difference]: Without dead ends: 508 [2018-11-14 19:01:13,705 INFO L604 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 [2018-11-14 19:01:13,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 508 states. [2018-11-14 19:01:14,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 508 to 508. [2018-11-14 19:01:14,489 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-14 19:01:14,490 INFO L82 GeneralOperation]: Start isEquivalent. First operand 508 states. Second operand 508 states. [2018-11-14 19:01:14,491 INFO L74 IsIncluded]: Start isIncluded. First operand 508 states. Second operand 508 states. [2018-11-14 19:01:14,491 INFO L87 Difference]: Start difference. First operand 508 states. Second operand 508 states. [2018-11-14 19:01:14,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 19:01:14,530 INFO L93 Difference]: Finished difference Result 508 states and 738 transitions. [2018-11-14 19:01:14,530 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 738 transitions. [2018-11-14 19:01:14,540 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 19:01:14,540 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 19:01:14,540 INFO L74 IsIncluded]: Start isIncluded. First operand 508 states. Second operand 508 states. [2018-11-14 19:01:14,540 INFO L87 Difference]: Start difference. First operand 508 states. Second operand 508 states. [2018-11-14 19:01:14,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 19:01:14,575 INFO L93 Difference]: Finished difference Result 508 states and 738 transitions. [2018-11-14 19:01:14,575 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 738 transitions. [2018-11-14 19:01:14,579 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 19:01:14,579 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 19:01:14,579 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-14 19:01:14,579 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-14 19:01:14,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 508 states. [2018-11-14 19:01:14,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 508 states and 738 transitions. [2018-11-14 19:01:14,615 INFO L78 Accepts]: Start accepts. Automaton has 508 states and 738 transitions. Word has length 20 [2018-11-14 19:01:14,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-14 19:01:14,615 INFO L480 AbstractCegarLoop]: Abstraction has 508 states and 738 transitions. [2018-11-14 19:01:14,615 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-14 19:01:14,616 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 738 transitions. [2018-11-14 19:01:14,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-14 19:01:14,617 INFO L367 BasicCegarLoop]: Found error trace [2018-11-14 19:01:14,617 INFO L375 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] [2018-11-14 19:01:14,617 INFO L423 AbstractCegarLoop]: === Iteration 2 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-14 19:01:14,617 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-14 19:01:14,618 INFO L82 PathProgramCache]: Analyzing trace with hash 736354971, now seen corresponding path program 1 times [2018-11-14 19:01:14,618 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-14 19:01:14,618 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-14 19:01:14,619 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-14 19:01:14,619 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-14 19:01:14,619 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-14 19:01:14,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 19:01:14,857 INFO L256 TraceCheckUtils]: 0: Hoare triple {3374#true} call ULTIMATE.init(); {3374#true} is VALID [2018-11-14 19:01:14,857 INFO L273 TraceCheckUtils]: 1: Hoare triple {3374#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; {3374#true} is VALID [2018-11-14 19:01:14,857 INFO L273 TraceCheckUtils]: 2: Hoare triple {3374#true} assume true; {3374#true} is VALID [2018-11-14 19:01:14,858 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {3374#true} {3374#true} #1497#return; {3374#true} is VALID [2018-11-14 19:01:14,858 INFO L256 TraceCheckUtils]: 4: Hoare triple {3374#true} call #t~ret176 := main(); {3374#true} is VALID [2018-11-14 19:01:14,858 INFO L273 TraceCheckUtils]: 5: Hoare triple {3374#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; {3374#true} is VALID [2018-11-14 19:01:14,858 INFO L256 TraceCheckUtils]: 6: Hoare triple {3374#true} call _BLAST_init(); {3374#true} is VALID [2018-11-14 19:01:14,860 INFO L273 TraceCheckUtils]: 7: Hoare triple {3374#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; {3374#true} is VALID [2018-11-14 19:01:14,860 INFO L273 TraceCheckUtils]: 8: Hoare triple {3374#true} assume true; {3374#true} is VALID [2018-11-14 19:01:14,860 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {3374#true} {3374#true} #1365#return; {3374#true} is VALID [2018-11-14 19:01:14,862 INFO L273 TraceCheckUtils]: 10: Hoare triple {3374#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; {3376#(= ~s~0 ~NP~0)} is VALID [2018-11-14 19:01:14,863 INFO L273 TraceCheckUtils]: 11: Hoare triple {3376#(= ~s~0 ~NP~0)} assume ~irp_choice~0 == 0;~pirp__IoStatus__Status~0 := -1073741637;~myStatus~0 := -1073741637; {3376#(= ~s~0 ~NP~0)} is VALID [2018-11-14 19:01:14,863 INFO L256 TraceCheckUtils]: 12: Hoare triple {3376#(= ~s~0 ~NP~0)} call stub_driver_init(); {3374#true} is VALID [2018-11-14 19:01:14,864 INFO L273 TraceCheckUtils]: 13: Hoare triple {3374#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; {3376#(= ~s~0 ~NP~0)} is VALID [2018-11-14 19:01:14,864 INFO L273 TraceCheckUtils]: 14: Hoare triple {3376#(= ~s~0 ~NP~0)} assume true; {3376#(= ~s~0 ~NP~0)} is VALID [2018-11-14 19:01:14,865 INFO L268 TraceCheckUtils]: 15: Hoare quadruple {3376#(= ~s~0 ~NP~0)} {3376#(= ~s~0 ~NP~0)} #1367#return; {3376#(= ~s~0 ~NP~0)} is VALID [2018-11-14 19:01:14,866 INFO L273 TraceCheckUtils]: 16: Hoare triple {3376#(= ~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; {3376#(= ~s~0 ~NP~0)} is VALID [2018-11-14 19:01:14,866 INFO L273 TraceCheckUtils]: 17: Hoare triple {3376#(= ~s~0 ~NP~0)} assume !(~tmp_ndt_1~0 == 2);havoc ~tmp_ndt_2~0;assume -2147483648 <= #t~nondet157 && #t~nondet157 <= 2147483647;~tmp_ndt_2~0 := #t~nondet157;havoc #t~nondet157; {3376#(= ~s~0 ~NP~0)} is VALID [2018-11-14 19:01:14,868 INFO L273 TraceCheckUtils]: 18: Hoare triple {3376#(= ~s~0 ~NP~0)} assume !(~tmp_ndt_2~0 == 3);havoc ~tmp_ndt_3~0;assume -2147483648 <= #t~nondet158 && #t~nondet158 <= 2147483647;~tmp_ndt_3~0 := #t~nondet158;havoc #t~nondet158; {3376#(= ~s~0 ~NP~0)} is VALID [2018-11-14 19:01:14,868 INFO L273 TraceCheckUtils]: 19: Hoare triple {3376#(= ~s~0 ~NP~0)} assume ~tmp_ndt_3~0 == 4; {3376#(= ~s~0 ~NP~0)} is VALID [2018-11-14 19:01:14,871 INFO L256 TraceCheckUtils]: 20: Hoare triple {3376#(= ~s~0 ~NP~0)} call #t~ret161 := CdAudioPower(~devobj~0, ~pirp~0); {3376#(= ~s~0 ~NP~0)} is VALID [2018-11-14 19:01:14,871 INFO L273 TraceCheckUtils]: 21: Hoare triple {3376#(= ~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; {3376#(= ~s~0 ~NP~0)} is VALID [2018-11-14 19:01:14,873 INFO L273 TraceCheckUtils]: 22: Hoare triple {3376#(= ~s~0 ~NP~0)} assume !(~s~0 == ~NP~0); {3375#false} is VALID [2018-11-14 19:01:14,873 INFO L256 TraceCheckUtils]: 23: Hoare triple {3375#false} call errorFn(); {3375#false} is VALID [2018-11-14 19:01:14,873 INFO L273 TraceCheckUtils]: 24: Hoare triple {3375#false} assume !false; {3375#false} is VALID [2018-11-14 19:01:14,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-14 19:01:14,877 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-14 19:01:14,877 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-14 19:01:14,879 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2018-11-14 19:01:14,880 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-14 19:01:14,880 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2018-11-14 19:01:14,958 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 25 edges. 25 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 19:01:14,958 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-14 19:01:14,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-14 19:01:14,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-14 19:01:14,959 INFO L87 Difference]: Start difference. First operand 508 states and 738 transitions. Second operand 3 states. [2018-11-14 19:01:17,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 19:01:17,808 INFO L93 Difference]: Finished difference Result 792 states and 1120 transitions. [2018-11-14 19:01:17,808 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-14 19:01:17,808 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2018-11-14 19:01:17,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-14 19:01:17,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-14 19:01:17,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1120 transitions. [2018-11-14 19:01:17,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-14 19:01:17,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1120 transitions. [2018-11-14 19:01:17,848 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 1120 transitions. [2018-11-14 19:01:19,264 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 1120 edges. 1120 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 19:01:19,305 INFO L225 Difference]: With dead ends: 792 [2018-11-14 19:01:19,306 INFO L226 Difference]: Without dead ends: 672 [2018-11-14 19:01:19,307 INFO L604 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 [2018-11-14 19:01:19,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 672 states. [2018-11-14 19:01:20,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 672 to 654. [2018-11-14 19:01:20,122 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-14 19:01:20,122 INFO L82 GeneralOperation]: Start isEquivalent. First operand 672 states. Second operand 654 states. [2018-11-14 19:01:20,122 INFO L74 IsIncluded]: Start isIncluded. First operand 672 states. Second operand 654 states. [2018-11-14 19:01:20,122 INFO L87 Difference]: Start difference. First operand 672 states. Second operand 654 states. [2018-11-14 19:01:20,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 19:01:20,164 INFO L93 Difference]: Finished difference Result 672 states and 955 transitions. [2018-11-14 19:01:20,164 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 955 transitions. [2018-11-14 19:01:20,168 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 19:01:20,168 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 19:01:20,169 INFO L74 IsIncluded]: Start isIncluded. First operand 654 states. Second operand 672 states. [2018-11-14 19:01:20,169 INFO L87 Difference]: Start difference. First operand 654 states. Second operand 672 states. [2018-11-14 19:01:20,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 19:01:20,207 INFO L93 Difference]: Finished difference Result 672 states and 955 transitions. [2018-11-14 19:01:20,207 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 955 transitions. [2018-11-14 19:01:20,210 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 19:01:20,210 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 19:01:20,211 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-14 19:01:20,211 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-14 19:01:20,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 654 states. [2018-11-14 19:01:20,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 654 states and 933 transitions. [2018-11-14 19:01:20,250 INFO L78 Accepts]: Start accepts. Automaton has 654 states and 933 transitions. Word has length 25 [2018-11-14 19:01:20,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-14 19:01:20,251 INFO L480 AbstractCegarLoop]: Abstraction has 654 states and 933 transitions. [2018-11-14 19:01:20,251 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-14 19:01:20,251 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 933 transitions. [2018-11-14 19:01:20,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-14 19:01:20,252 INFO L367 BasicCegarLoop]: Found error trace [2018-11-14 19:01:20,252 INFO L375 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] [2018-11-14 19:01:20,253 INFO L423 AbstractCegarLoop]: === Iteration 3 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-14 19:01:20,253 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-14 19:01:20,253 INFO L82 PathProgramCache]: Analyzing trace with hash -1750587816, now seen corresponding path program 1 times [2018-11-14 19:01:20,253 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-14 19:01:20,253 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-14 19:01:20,254 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-14 19:01:20,254 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-14 19:01:20,254 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-14 19:01:20,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 19:01:20,605 INFO L256 TraceCheckUtils]: 0: Hoare triple {6622#true} call ULTIMATE.init(); {6622#true} is VALID [2018-11-14 19:01:20,605 INFO L273 TraceCheckUtils]: 1: Hoare triple {6622#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; {6622#true} is VALID [2018-11-14 19:01:20,605 INFO L273 TraceCheckUtils]: 2: Hoare triple {6622#true} assume true; {6622#true} is VALID [2018-11-14 19:01:20,606 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {6622#true} {6622#true} #1497#return; {6622#true} is VALID [2018-11-14 19:01:20,606 INFO L256 TraceCheckUtils]: 4: Hoare triple {6622#true} call #t~ret176 := main(); {6622#true} is VALID [2018-11-14 19:01:20,606 INFO L273 TraceCheckUtils]: 5: Hoare triple {6622#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; {6622#true} is VALID [2018-11-14 19:01:20,606 INFO L256 TraceCheckUtils]: 6: Hoare triple {6622#true} call _BLAST_init(); {6622#true} is VALID [2018-11-14 19:01:20,607 INFO L273 TraceCheckUtils]: 7: Hoare triple {6622#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; {6622#true} is VALID [2018-11-14 19:01:20,607 INFO L273 TraceCheckUtils]: 8: Hoare triple {6622#true} assume true; {6622#true} is VALID [2018-11-14 19:01:20,607 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {6622#true} {6622#true} #1365#return; {6622#true} is VALID [2018-11-14 19:01:20,608 INFO L273 TraceCheckUtils]: 10: Hoare triple {6622#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; {6622#true} is VALID [2018-11-14 19:01:20,608 INFO L273 TraceCheckUtils]: 11: Hoare triple {6622#true} assume ~irp_choice~0 == 0;~pirp__IoStatus__Status~0 := -1073741637;~myStatus~0 := -1073741637; {6622#true} is VALID [2018-11-14 19:01:20,608 INFO L256 TraceCheckUtils]: 12: Hoare triple {6622#true} call stub_driver_init(); {6622#true} is VALID [2018-11-14 19:01:20,611 INFO L273 TraceCheckUtils]: 13: Hoare triple {6622#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; {6624#(= 0 ~compRegistered~0)} is VALID [2018-11-14 19:01:20,611 INFO L273 TraceCheckUtils]: 14: Hoare triple {6624#(= 0 ~compRegistered~0)} assume true; {6624#(= 0 ~compRegistered~0)} is VALID [2018-11-14 19:01:20,612 INFO L268 TraceCheckUtils]: 15: Hoare quadruple {6624#(= 0 ~compRegistered~0)} {6622#true} #1367#return; {6624#(= 0 ~compRegistered~0)} is VALID [2018-11-14 19:01:20,612 INFO L273 TraceCheckUtils]: 16: Hoare triple {6624#(= 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; {6624#(= 0 ~compRegistered~0)} is VALID [2018-11-14 19:01:20,614 INFO L273 TraceCheckUtils]: 17: Hoare triple {6624#(= 0 ~compRegistered~0)} assume !(~tmp_ndt_1~0 == 2);havoc ~tmp_ndt_2~0;assume -2147483648 <= #t~nondet157 && #t~nondet157 <= 2147483647;~tmp_ndt_2~0 := #t~nondet157;havoc #t~nondet157; {6624#(= 0 ~compRegistered~0)} is VALID [2018-11-14 19:01:20,615 INFO L273 TraceCheckUtils]: 18: Hoare triple {6624#(= 0 ~compRegistered~0)} assume ~tmp_ndt_2~0 == 3; {6624#(= 0 ~compRegistered~0)} is VALID [2018-11-14 19:01:20,617 INFO L256 TraceCheckUtils]: 19: Hoare triple {6624#(= 0 ~compRegistered~0)} call #t~ret160 := CdAudioPnp(~devobj~0, ~pirp~0); {6624#(= 0 ~compRegistered~0)} is VALID [2018-11-14 19:01:20,617 INFO L273 TraceCheckUtils]: 20: Hoare triple {6624#(= 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; {6624#(= 0 ~compRegistered~0)} is VALID [2018-11-14 19:01:20,627 INFO L273 TraceCheckUtils]: 21: Hoare triple {6624#(= 0 ~compRegistered~0)} assume ~irpSp__MinorFunction~0 == 0; {6624#(= 0 ~compRegistered~0)} is VALID [2018-11-14 19:01:20,628 INFO L256 TraceCheckUtils]: 22: Hoare triple {6624#(= 0 ~compRegistered~0)} call #t~ret20 := CdAudioStartDevice(~DeviceObject, ~Irp); {6624#(= 0 ~compRegistered~0)} is VALID [2018-11-14 19:01:20,629 INFO L273 TraceCheckUtils]: 23: Hoare triple {6624#(= 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; {6624#(= 0 ~compRegistered~0)} is VALID [2018-11-14 19:01:20,633 INFO L256 TraceCheckUtils]: 24: Hoare triple {6624#(= 0 ~compRegistered~0)} call #t~ret10 := CdAudioForwardIrpSynchronous(~DeviceObject, ~Irp); {6624#(= 0 ~compRegistered~0)} is VALID [2018-11-14 19:01:20,633 INFO L273 TraceCheckUtils]: 25: Hoare triple {6624#(= 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; {6624#(= 0 ~compRegistered~0)} is VALID [2018-11-14 19:01:20,636 INFO L273 TraceCheckUtils]: 26: Hoare triple {6624#(= 0 ~compRegistered~0)} assume !(~s~0 != ~NP~0); {6624#(= 0 ~compRegistered~0)} is VALID [2018-11-14 19:01:20,636 INFO L273 TraceCheckUtils]: 27: Hoare triple {6624#(= 0 ~compRegistered~0)} assume ~compRegistered~0 != 0; {6623#false} is VALID [2018-11-14 19:01:20,636 INFO L256 TraceCheckUtils]: 28: Hoare triple {6623#false} call errorFn(); {6623#false} is VALID [2018-11-14 19:01:20,636 INFO L273 TraceCheckUtils]: 29: Hoare triple {6623#false} assume !false; {6623#false} is VALID [2018-11-14 19:01:20,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-14 19:01:20,638 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-14 19:01:20,638 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-14 19:01:20,638 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2018-11-14 19:01:20,640 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-14 19:01:20,640 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2018-11-14 19:01:20,670 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 30 edges. 30 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 19:01:20,670 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-14 19:01:20,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-14 19:01:20,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-14 19:01:20,671 INFO L87 Difference]: Start difference. First operand 654 states and 933 transitions. Second operand 3 states. [2018-11-14 19:01:23,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 19:01:23,137 INFO L93 Difference]: Finished difference Result 999 states and 1382 transitions. [2018-11-14 19:01:23,138 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-14 19:01:23,138 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2018-11-14 19:01:23,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-14 19:01:23,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-14 19:01:23,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1046 transitions. [2018-11-14 19:01:23,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-14 19:01:23,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1046 transitions. [2018-11-14 19:01:23,174 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 1046 transitions. [2018-11-14 19:01:24,752 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 1046 edges. 1046 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 19:01:24,813 INFO L225 Difference]: With dead ends: 999 [2018-11-14 19:01:24,814 INFO L226 Difference]: Without dead ends: 823 [2018-11-14 19:01:24,815 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-14 19:01:24,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 823 states. [2018-11-14 19:01:25,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 823 to 771. [2018-11-14 19:01:25,548 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-14 19:01:25,548 INFO L82 GeneralOperation]: Start isEquivalent. First operand 823 states. Second operand 771 states. [2018-11-14 19:01:25,548 INFO L74 IsIncluded]: Start isIncluded. First operand 823 states. Second operand 771 states. [2018-11-14 19:01:25,548 INFO L87 Difference]: Start difference. First operand 823 states. Second operand 771 states. [2018-11-14 19:01:25,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 19:01:25,599 INFO L93 Difference]: Finished difference Result 823 states and 1154 transitions. [2018-11-14 19:01:25,599 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 1154 transitions. [2018-11-14 19:01:25,603 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 19:01:25,603 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 19:01:25,604 INFO L74 IsIncluded]: Start isIncluded. First operand 771 states. Second operand 823 states. [2018-11-14 19:01:25,604 INFO L87 Difference]: Start difference. First operand 771 states. Second operand 823 states. [2018-11-14 19:01:25,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 19:01:25,657 INFO L93 Difference]: Finished difference Result 823 states and 1154 transitions. [2018-11-14 19:01:25,658 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 1154 transitions. [2018-11-14 19:01:25,661 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 19:01:25,662 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 19:01:25,662 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-14 19:01:25,662 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-14 19:01:25,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 771 states. [2018-11-14 19:01:25,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 771 states and 1095 transitions. [2018-11-14 19:01:25,719 INFO L78 Accepts]: Start accepts. Automaton has 771 states and 1095 transitions. Word has length 30 [2018-11-14 19:01:25,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-14 19:01:25,719 INFO L480 AbstractCegarLoop]: Abstraction has 771 states and 1095 transitions. [2018-11-14 19:01:25,720 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-14 19:01:25,720 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 1095 transitions. [2018-11-14 19:01:25,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-14 19:01:25,721 INFO L367 BasicCegarLoop]: Found error trace [2018-11-14 19:01:25,721 INFO L375 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] [2018-11-14 19:01:25,721 INFO L423 AbstractCegarLoop]: === Iteration 4 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-14 19:01:25,722 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-14 19:01:25,722 INFO L82 PathProgramCache]: Analyzing trace with hash 1290288367, now seen corresponding path program 1 times [2018-11-14 19:01:25,722 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-14 19:01:25,722 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-14 19:01:25,723 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-14 19:01:25,723 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-14 19:01:25,723 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-14 19:01:25,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 19:01:25,988 INFO L256 TraceCheckUtils]: 0: Hoare triple {10569#true} call ULTIMATE.init(); {10569#true} is VALID [2018-11-14 19:01:25,989 INFO L273 TraceCheckUtils]: 1: Hoare triple {10569#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; {10569#true} is VALID [2018-11-14 19:01:25,989 INFO L273 TraceCheckUtils]: 2: Hoare triple {10569#true} assume true; {10569#true} is VALID [2018-11-14 19:01:25,990 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {10569#true} {10569#true} #1497#return; {10569#true} is VALID [2018-11-14 19:01:25,990 INFO L256 TraceCheckUtils]: 4: Hoare triple {10569#true} call #t~ret176 := main(); {10569#true} is VALID [2018-11-14 19:01:25,990 INFO L273 TraceCheckUtils]: 5: Hoare triple {10569#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; {10569#true} is VALID [2018-11-14 19:01:25,990 INFO L256 TraceCheckUtils]: 6: Hoare triple {10569#true} call _BLAST_init(); {10569#true} is VALID [2018-11-14 19:01:25,991 INFO L273 TraceCheckUtils]: 7: Hoare triple {10569#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; {10569#true} is VALID [2018-11-14 19:01:25,991 INFO L273 TraceCheckUtils]: 8: Hoare triple {10569#true} assume true; {10569#true} is VALID [2018-11-14 19:01:25,991 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {10569#true} {10569#true} #1365#return; {10569#true} is VALID [2018-11-14 19:01:25,992 INFO L273 TraceCheckUtils]: 10: Hoare triple {10569#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; {10569#true} is VALID [2018-11-14 19:01:25,992 INFO L273 TraceCheckUtils]: 11: Hoare triple {10569#true} assume ~irp_choice~0 == 0;~pirp__IoStatus__Status~0 := -1073741637;~myStatus~0 := -1073741637; {10569#true} is VALID [2018-11-14 19:01:25,992 INFO L256 TraceCheckUtils]: 12: Hoare triple {10569#true} call stub_driver_init(); {10569#true} is VALID [2018-11-14 19:01:25,992 INFO L273 TraceCheckUtils]: 13: Hoare triple {10569#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; {10569#true} is VALID [2018-11-14 19:01:25,997 INFO L273 TraceCheckUtils]: 14: Hoare triple {10569#true} assume true; {10569#true} is VALID [2018-11-14 19:01:25,997 INFO L268 TraceCheckUtils]: 15: Hoare quadruple {10569#true} {10569#true} #1367#return; {10569#true} is VALID [2018-11-14 19:01:25,998 INFO L273 TraceCheckUtils]: 16: Hoare triple {10569#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; {10569#true} is VALID [2018-11-14 19:01:25,998 INFO L273 TraceCheckUtils]: 17: Hoare triple {10569#true} assume !(~tmp_ndt_1~0 == 2);havoc ~tmp_ndt_2~0;assume -2147483648 <= #t~nondet157 && #t~nondet157 <= 2147483647;~tmp_ndt_2~0 := #t~nondet157;havoc #t~nondet157; {10569#true} is VALID [2018-11-14 19:01:25,998 INFO L273 TraceCheckUtils]: 18: Hoare triple {10569#true} assume ~tmp_ndt_2~0 == 3; {10569#true} is VALID [2018-11-14 19:01:25,998 INFO L256 TraceCheckUtils]: 19: Hoare triple {10569#true} call #t~ret160 := CdAudioPnp(~devobj~0, ~pirp~0); {10569#true} is VALID [2018-11-14 19:01:25,999 INFO L273 TraceCheckUtils]: 20: Hoare triple {10569#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; {10569#true} is VALID [2018-11-14 19:01:25,999 INFO L273 TraceCheckUtils]: 21: Hoare triple {10569#true} assume !(~irpSp__MinorFunction~0 == 0); {10569#true} is VALID [2018-11-14 19:01:25,999 INFO L273 TraceCheckUtils]: 22: Hoare triple {10569#true} assume ~irpSp__MinorFunction~0 == 22; {10569#true} is VALID [2018-11-14 19:01:25,999 INFO L273 TraceCheckUtils]: 23: Hoare triple {10569#true} assume !(~irpSp__Parameters__UsageNotification__Type~0 != ~DeviceUsageTypePaging~0); {10569#true} is VALID [2018-11-14 19:01:26,001 INFO L256 TraceCheckUtils]: 24: Hoare triple {10569#true} call #t~ret22 := KeWaitForSingleObject(~deviceExtension__PagingPathCountEvent~0, ~Executive~0, ~KernelMode~0, 0, 0); {10569#true} is VALID [2018-11-14 19:01:26,001 INFO L273 TraceCheckUtils]: 25: Hoare triple {10569#true} ~Object := #in~Object;~WaitReason := #in~WaitReason;~WaitMode := #in~WaitMode;~Alertable := #in~Alertable;~Timeout := #in~Timeout; {10569#true} is VALID [2018-11-14 19:01:26,016 INFO L273 TraceCheckUtils]: 26: Hoare triple {10569#true} assume !(~s~0 == ~MPR3~0); {10571#(not (= ~MPR3~0 ~s~0))} is VALID [2018-11-14 19:01:26,031 INFO L273 TraceCheckUtils]: 27: Hoare triple {10571#(not (= ~MPR3~0 ~s~0))} assume !(~customIrp~0 == 1); {10571#(not (= ~MPR3~0 ~s~0))} is VALID [2018-11-14 19:01:26,040 INFO L273 TraceCheckUtils]: 28: Hoare triple {10571#(not (= ~MPR3~0 ~s~0))} assume ~s~0 == ~MPR3~0; {10570#false} is VALID [2018-11-14 19:01:26,040 INFO L256 TraceCheckUtils]: 29: Hoare triple {10570#false} call errorFn(); {10570#false} is VALID [2018-11-14 19:01:26,041 INFO L273 TraceCheckUtils]: 30: Hoare triple {10570#false} assume !false; {10570#false} is VALID [2018-11-14 19:01:26,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-14 19:01:26,045 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-14 19:01:26,045 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-14 19:01:26,046 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2018-11-14 19:01:26,046 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-14 19:01:26,046 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2018-11-14 19:01:26,425 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 31 edges. 31 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 19:01:26,425 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-14 19:01:26,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-14 19:01:26,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-14 19:01:26,426 INFO L87 Difference]: Start difference. First operand 771 states and 1095 transitions. Second operand 3 states. [2018-11-14 19:01:30,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 19:01:30,477 INFO L93 Difference]: Finished difference Result 1436 states and 2104 transitions. [2018-11-14 19:01:30,477 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-14 19:01:30,477 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2018-11-14 19:01:30,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-14 19:01:30,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-14 19:01:30,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1279 transitions. [2018-11-14 19:01:30,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-14 19:01:30,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1279 transitions. [2018-11-14 19:01:30,522 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 1279 transitions. [2018-11-14 19:01:32,119 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 1279 edges. 1279 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 19:01:32,210 INFO L225 Difference]: With dead ends: 1436 [2018-11-14 19:01:32,210 INFO L226 Difference]: Without dead ends: 1168 [2018-11-14 19:01:32,212 INFO L604 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 [2018-11-14 19:01:32,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1168 states. [2018-11-14 19:01:32,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1168 to 907. [2018-11-14 19:01:32,796 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-14 19:01:32,796 INFO L82 GeneralOperation]: Start isEquivalent. First operand 1168 states. Second operand 907 states. [2018-11-14 19:01:32,796 INFO L74 IsIncluded]: Start isIncluded. First operand 1168 states. Second operand 907 states. [2018-11-14 19:01:32,796 INFO L87 Difference]: Start difference. First operand 1168 states. Second operand 907 states. [2018-11-14 19:01:32,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 19:01:32,884 INFO L93 Difference]: Finished difference Result 1168 states and 1716 transitions. [2018-11-14 19:01:32,884 INFO L276 IsEmpty]: Start isEmpty. Operand 1168 states and 1716 transitions. [2018-11-14 19:01:32,890 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 19:01:32,890 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 19:01:32,891 INFO L74 IsIncluded]: Start isIncluded. First operand 907 states. Second operand 1168 states. [2018-11-14 19:01:32,891 INFO L87 Difference]: Start difference. First operand 907 states. Second operand 1168 states. [2018-11-14 19:01:32,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 19:01:32,981 INFO L93 Difference]: Finished difference Result 1168 states and 1716 transitions. [2018-11-14 19:01:32,981 INFO L276 IsEmpty]: Start isEmpty. Operand 1168 states and 1716 transitions. [2018-11-14 19:01:32,987 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 19:01:32,987 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 19:01:32,987 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-14 19:01:32,987 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-14 19:01:32,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 907 states. [2018-11-14 19:01:33,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 907 states and 1331 transitions. [2018-11-14 19:01:33,063 INFO L78 Accepts]: Start accepts. Automaton has 907 states and 1331 transitions. Word has length 31 [2018-11-14 19:01:33,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-14 19:01:33,064 INFO L480 AbstractCegarLoop]: Abstraction has 907 states and 1331 transitions. [2018-11-14 19:01:33,064 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-14 19:01:33,064 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states and 1331 transitions. [2018-11-14 19:01:33,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-14 19:01:33,066 INFO L367 BasicCegarLoop]: Found error trace [2018-11-14 19:01:33,066 INFO L375 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] [2018-11-14 19:01:33,066 INFO L423 AbstractCegarLoop]: === Iteration 5 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-14 19:01:33,066 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-14 19:01:33,066 INFO L82 PathProgramCache]: Analyzing trace with hash 1105841973, now seen corresponding path program 1 times [2018-11-14 19:01:33,067 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-14 19:01:33,067 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-14 19:01:33,067 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-14 19:01:33,068 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-14 19:01:33,068 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-14 19:01:33,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 19:01:33,556 INFO L256 TraceCheckUtils]: 0: Hoare triple {15956#true} call ULTIMATE.init(); {15956#true} is VALID [2018-11-14 19:01:33,557 INFO L273 TraceCheckUtils]: 1: Hoare triple {15956#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; {15956#true} is VALID [2018-11-14 19:01:33,557 INFO L273 TraceCheckUtils]: 2: Hoare triple {15956#true} assume true; {15956#true} is VALID [2018-11-14 19:01:33,558 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {15956#true} {15956#true} #1497#return; {15956#true} is VALID [2018-11-14 19:01:33,558 INFO L256 TraceCheckUtils]: 4: Hoare triple {15956#true} call #t~ret176 := main(); {15956#true} is VALID [2018-11-14 19:01:33,558 INFO L273 TraceCheckUtils]: 5: Hoare triple {15956#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; {15956#true} is VALID [2018-11-14 19:01:33,559 INFO L256 TraceCheckUtils]: 6: Hoare triple {15956#true} call _BLAST_init(); {15956#true} is VALID [2018-11-14 19:01:33,560 INFO L273 TraceCheckUtils]: 7: Hoare triple {15956#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; {15958#(<= (+ ~NP~0 5) ~MPR3~0)} is VALID [2018-11-14 19:01:33,561 INFO L273 TraceCheckUtils]: 8: Hoare triple {15958#(<= (+ ~NP~0 5) ~MPR3~0)} assume true; {15958#(<= (+ ~NP~0 5) ~MPR3~0)} is VALID [2018-11-14 19:01:33,561 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {15958#(<= (+ ~NP~0 5) ~MPR3~0)} {15956#true} #1365#return; {15958#(<= (+ ~NP~0 5) ~MPR3~0)} is VALID [2018-11-14 19:01:33,562 INFO L273 TraceCheckUtils]: 10: Hoare triple {15958#(<= (+ ~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; {15958#(<= (+ ~NP~0 5) ~MPR3~0)} is VALID [2018-11-14 19:01:33,562 INFO L273 TraceCheckUtils]: 11: Hoare triple {15958#(<= (+ ~NP~0 5) ~MPR3~0)} assume ~irp_choice~0 == 0;~pirp__IoStatus__Status~0 := -1073741637;~myStatus~0 := -1073741637; {15958#(<= (+ ~NP~0 5) ~MPR3~0)} is VALID [2018-11-14 19:01:33,562 INFO L256 TraceCheckUtils]: 12: Hoare triple {15958#(<= (+ ~NP~0 5) ~MPR3~0)} call stub_driver_init(); {15956#true} is VALID [2018-11-14 19:01:33,563 INFO L273 TraceCheckUtils]: 13: Hoare triple {15956#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; {15959#(<= ~s~0 ~NP~0)} is VALID [2018-11-14 19:01:33,563 INFO L273 TraceCheckUtils]: 14: Hoare triple {15959#(<= ~s~0 ~NP~0)} assume true; {15959#(<= ~s~0 ~NP~0)} is VALID [2018-11-14 19:01:33,577 INFO L268 TraceCheckUtils]: 15: Hoare quadruple {15959#(<= ~s~0 ~NP~0)} {15958#(<= (+ ~NP~0 5) ~MPR3~0)} #1367#return; {15960#(not (= ~MPR3~0 ~s~0))} is VALID [2018-11-14 19:01:33,578 INFO L273 TraceCheckUtils]: 16: Hoare triple {15960#(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; {15960#(not (= ~MPR3~0 ~s~0))} is VALID [2018-11-14 19:01:33,579 INFO L273 TraceCheckUtils]: 17: Hoare triple {15960#(not (= ~MPR3~0 ~s~0))} assume !(~tmp_ndt_1~0 == 2);havoc ~tmp_ndt_2~0;assume -2147483648 <= #t~nondet157 && #t~nondet157 <= 2147483647;~tmp_ndt_2~0 := #t~nondet157;havoc #t~nondet157; {15960#(not (= ~MPR3~0 ~s~0))} is VALID [2018-11-14 19:01:33,582 INFO L273 TraceCheckUtils]: 18: Hoare triple {15960#(not (= ~MPR3~0 ~s~0))} assume ~tmp_ndt_2~0 == 3; {15960#(not (= ~MPR3~0 ~s~0))} is VALID [2018-11-14 19:01:33,582 INFO L256 TraceCheckUtils]: 19: Hoare triple {15960#(not (= ~MPR3~0 ~s~0))} call #t~ret160 := CdAudioPnp(~devobj~0, ~pirp~0); {15960#(not (= ~MPR3~0 ~s~0))} is VALID [2018-11-14 19:01:33,584 INFO L273 TraceCheckUtils]: 20: Hoare triple {15960#(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; {15960#(not (= ~MPR3~0 ~s~0))} is VALID [2018-11-14 19:01:33,587 INFO L273 TraceCheckUtils]: 21: Hoare triple {15960#(not (= ~MPR3~0 ~s~0))} assume !(~irpSp__MinorFunction~0 == 0); {15960#(not (= ~MPR3~0 ~s~0))} is VALID [2018-11-14 19:01:33,590 INFO L273 TraceCheckUtils]: 22: Hoare triple {15960#(not (= ~MPR3~0 ~s~0))} assume ~irpSp__MinorFunction~0 == 22; {15960#(not (= ~MPR3~0 ~s~0))} is VALID [2018-11-14 19:01:33,591 INFO L273 TraceCheckUtils]: 23: Hoare triple {15960#(not (= ~MPR3~0 ~s~0))} assume !(~irpSp__Parameters__UsageNotification__Type~0 != ~DeviceUsageTypePaging~0); {15960#(not (= ~MPR3~0 ~s~0))} is VALID [2018-11-14 19:01:33,592 INFO L256 TraceCheckUtils]: 24: Hoare triple {15960#(not (= ~MPR3~0 ~s~0))} call #t~ret22 := KeWaitForSingleObject(~deviceExtension__PagingPathCountEvent~0, ~Executive~0, ~KernelMode~0, 0, 0); {15960#(not (= ~MPR3~0 ~s~0))} is VALID [2018-11-14 19:01:33,592 INFO L273 TraceCheckUtils]: 25: Hoare triple {15960#(not (= ~MPR3~0 ~s~0))} ~Object := #in~Object;~WaitReason := #in~WaitReason;~WaitMode := #in~WaitMode;~Alertable := #in~Alertable;~Timeout := #in~Timeout; {15960#(not (= ~MPR3~0 ~s~0))} is VALID [2018-11-14 19:01:33,594 INFO L273 TraceCheckUtils]: 26: Hoare triple {15960#(not (= ~MPR3~0 ~s~0))} assume ~s~0 == ~MPR3~0; {15957#false} is VALID [2018-11-14 19:01:33,594 INFO L273 TraceCheckUtils]: 27: Hoare triple {15957#false} assume !(~setEventCalled~0 == 1); {15957#false} is VALID [2018-11-14 19:01:33,594 INFO L273 TraceCheckUtils]: 28: Hoare triple {15957#false} assume !(~customIrp~0 == 1); {15957#false} is VALID [2018-11-14 19:01:33,594 INFO L273 TraceCheckUtils]: 29: Hoare triple {15957#false} assume ~s~0 == ~MPR3~0; {15957#false} is VALID [2018-11-14 19:01:33,594 INFO L256 TraceCheckUtils]: 30: Hoare triple {15957#false} call errorFn(); {15957#false} is VALID [2018-11-14 19:01:33,595 INFO L273 TraceCheckUtils]: 31: Hoare triple {15957#false} assume !false; {15957#false} is VALID [2018-11-14 19:01:33,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-14 19:01:33,597 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-14 19:01:33,597 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-14 19:01:33,597 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2018-11-14 19:01:33,597 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-14 19:01:33,598 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2018-11-14 19:01:33,666 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 19:01:33,667 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-14 19:01:33,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-14 19:01:33,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-14 19:01:33,667 INFO L87 Difference]: Start difference. First operand 907 states and 1331 transitions. Second operand 5 states. [2018-11-14 19:01:41,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 19:01:41,725 INFO L93 Difference]: Finished difference Result 1574 states and 2317 transitions. [2018-11-14 19:01:41,725 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-14 19:01:41,725 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2018-11-14 19:01:41,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-14 19:01:41,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-14 19:01:41,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1439 transitions. [2018-11-14 19:01:41,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-14 19:01:41,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1439 transitions. [2018-11-14 19:01:41,774 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 1439 transitions. [2018-11-14 19:01:43,969 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 1439 edges. 1439 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 19:01:44,037 INFO L225 Difference]: With dead ends: 1574 [2018-11-14 19:01:44,037 INFO L226 Difference]: Without dead ends: 992 [2018-11-14 19:01:44,039 INFO L604 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 [2018-11-14 19:01:44,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 992 states. [2018-11-14 19:01:45,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 992 to 895. [2018-11-14 19:01:45,081 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-14 19:01:45,081 INFO L82 GeneralOperation]: Start isEquivalent. First operand 992 states. Second operand 895 states. [2018-11-14 19:01:45,081 INFO L74 IsIncluded]: Start isIncluded. First operand 992 states. Second operand 895 states. [2018-11-14 19:01:45,082 INFO L87 Difference]: Start difference. First operand 992 states. Second operand 895 states. [2018-11-14 19:01:45,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 19:01:45,152 INFO L93 Difference]: Finished difference Result 992 states and 1439 transitions. [2018-11-14 19:01:45,153 INFO L276 IsEmpty]: Start isEmpty. Operand 992 states and 1439 transitions. [2018-11-14 19:01:45,158 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 19:01:45,158 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 19:01:45,158 INFO L74 IsIncluded]: Start isIncluded. First operand 895 states. Second operand 992 states. [2018-11-14 19:01:45,158 INFO L87 Difference]: Start difference. First operand 895 states. Second operand 992 states. [2018-11-14 19:01:45,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 19:01:45,230 INFO L93 Difference]: Finished difference Result 992 states and 1439 transitions. [2018-11-14 19:01:45,230 INFO L276 IsEmpty]: Start isEmpty. Operand 992 states and 1439 transitions. [2018-11-14 19:01:45,235 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 19:01:45,235 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 19:01:45,236 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-14 19:01:45,236 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-14 19:01:45,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 895 states. [2018-11-14 19:01:45,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 895 states to 895 states and 1307 transitions. [2018-11-14 19:01:45,309 INFO L78 Accepts]: Start accepts. Automaton has 895 states and 1307 transitions. Word has length 32 [2018-11-14 19:01:45,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-14 19:01:45,310 INFO L480 AbstractCegarLoop]: Abstraction has 895 states and 1307 transitions. [2018-11-14 19:01:45,310 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-14 19:01:45,310 INFO L276 IsEmpty]: Start isEmpty. Operand 895 states and 1307 transitions. [2018-11-14 19:01:45,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-14 19:01:45,312 INFO L367 BasicCegarLoop]: Found error trace [2018-11-14 19:01:45,312 INFO L375 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] [2018-11-14 19:01:45,312 INFO L423 AbstractCegarLoop]: === Iteration 6 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-14 19:01:45,313 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-14 19:01:45,313 INFO L82 PathProgramCache]: Analyzing trace with hash -1683321273, now seen corresponding path program 1 times [2018-11-14 19:01:45,313 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-14 19:01:45,313 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-14 19:01:45,314 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-14 19:01:45,315 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-14 19:01:45,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-14 19:01:45,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 19:01:45,706 INFO L256 TraceCheckUtils]: 0: Hoare triple {21134#true} call ULTIMATE.init(); {21134#true} is VALID [2018-11-14 19:01:45,706 INFO L273 TraceCheckUtils]: 1: Hoare triple {21134#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; {21134#true} is VALID [2018-11-14 19:01:45,707 INFO L273 TraceCheckUtils]: 2: Hoare triple {21134#true} assume true; {21134#true} is VALID [2018-11-14 19:01:45,707 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {21134#true} {21134#true} #1497#return; {21134#true} is VALID [2018-11-14 19:01:45,707 INFO L256 TraceCheckUtils]: 4: Hoare triple {21134#true} call #t~ret176 := main(); {21134#true} is VALID [2018-11-14 19:01:45,707 INFO L273 TraceCheckUtils]: 5: Hoare triple {21134#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; {21134#true} is VALID [2018-11-14 19:01:45,707 INFO L256 TraceCheckUtils]: 6: Hoare triple {21134#true} call _BLAST_init(); {21134#true} is VALID [2018-11-14 19:01:45,708 INFO L273 TraceCheckUtils]: 7: Hoare triple {21134#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; {21134#true} is VALID [2018-11-14 19:01:45,708 INFO L273 TraceCheckUtils]: 8: Hoare triple {21134#true} assume true; {21134#true} is VALID [2018-11-14 19:01:45,708 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {21134#true} {21134#true} #1365#return; {21134#true} is VALID [2018-11-14 19:01:45,708 INFO L273 TraceCheckUtils]: 10: Hoare triple {21134#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; {21134#true} is VALID [2018-11-14 19:01:45,708 INFO L273 TraceCheckUtils]: 11: Hoare triple {21134#true} assume ~irp_choice~0 == 0;~pirp__IoStatus__Status~0 := -1073741637;~myStatus~0 := -1073741637; {21134#true} is VALID [2018-11-14 19:01:45,709 INFO L256 TraceCheckUtils]: 12: Hoare triple {21134#true} call stub_driver_init(); {21134#true} is VALID [2018-11-14 19:01:45,709 INFO L273 TraceCheckUtils]: 13: Hoare triple {21134#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; {21134#true} is VALID [2018-11-14 19:01:45,709 INFO L273 TraceCheckUtils]: 14: Hoare triple {21134#true} assume true; {21134#true} is VALID [2018-11-14 19:01:45,710 INFO L268 TraceCheckUtils]: 15: Hoare quadruple {21134#true} {21134#true} #1367#return; {21134#true} is VALID [2018-11-14 19:01:45,710 INFO L273 TraceCheckUtils]: 16: Hoare triple {21134#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; {21134#true} is VALID [2018-11-14 19:01:45,710 INFO L273 TraceCheckUtils]: 17: Hoare triple {21134#true} assume !(~tmp_ndt_1~0 == 2);havoc ~tmp_ndt_2~0;assume -2147483648 <= #t~nondet157 && #t~nondet157 <= 2147483647;~tmp_ndt_2~0 := #t~nondet157;havoc #t~nondet157; {21134#true} is VALID [2018-11-14 19:01:45,710 INFO L273 TraceCheckUtils]: 18: Hoare triple {21134#true} assume ~tmp_ndt_2~0 == 3; {21134#true} is VALID [2018-11-14 19:01:45,710 INFO L256 TraceCheckUtils]: 19: Hoare triple {21134#true} call #t~ret160 := CdAudioPnp(~devobj~0, ~pirp~0); {21134#true} is VALID [2018-11-14 19:01:45,711 INFO L273 TraceCheckUtils]: 20: Hoare triple {21134#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; {21134#true} is VALID [2018-11-14 19:01:45,711 INFO L273 TraceCheckUtils]: 21: Hoare triple {21134#true} assume !(~irpSp__MinorFunction~0 == 0); {21134#true} is VALID [2018-11-14 19:01:45,711 INFO L273 TraceCheckUtils]: 22: Hoare triple {21134#true} assume !(~irpSp__MinorFunction~0 == 22); {21134#true} is VALID [2018-11-14 19:01:45,711 INFO L256 TraceCheckUtils]: 23: Hoare triple {21134#true} call #t~ret25 := CdAudioSendToNextDriver(~DeviceObject, ~Irp); {21134#true} is VALID [2018-11-14 19:01:45,711 INFO L273 TraceCheckUtils]: 24: Hoare triple {21134#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; {21134#true} is VALID [2018-11-14 19:01:45,712 INFO L273 TraceCheckUtils]: 25: Hoare triple {21134#true} assume ~s~0 == ~NP~0;~s~0 := ~SKIP1~0; {21136#(= ~s~0 ~SKIP1~0)} is VALID [2018-11-14 19:01:45,713 INFO L273 TraceCheckUtils]: 26: Hoare triple {21136#(= ~s~0 ~SKIP1~0)} #t~post35 := ~Irp__CurrentLocation~0;~Irp__CurrentLocation~0 := #t~post35 + 1;havoc #t~post35;#t~post36 := ~Irp__Tail__Overlay__CurrentStackLocation~1;~Irp__Tail__Overlay__CurrentStackLocation~1 := #t~post36 + 1;havoc #t~post36; {21136#(= ~s~0 ~SKIP1~0)} is VALID [2018-11-14 19:01:45,715 INFO L256 TraceCheckUtils]: 27: Hoare triple {21136#(= ~s~0 ~SKIP1~0)} call #t~ret37 := IofCallDriver(~deviceExtension__TargetDeviceObject~0, ~Irp); {21136#(= ~s~0 ~SKIP1~0)} is VALID [2018-11-14 19:01:45,721 INFO L273 TraceCheckUtils]: 28: Hoare triple {21136#(= ~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; {21136#(= ~s~0 ~SKIP1~0)} is VALID [2018-11-14 19:01:45,722 INFO L273 TraceCheckUtils]: 29: Hoare triple {21136#(= ~s~0 ~SKIP1~0)} assume !(~compRegistered~0 != 0); {21136#(= ~s~0 ~SKIP1~0)} is VALID [2018-11-14 19:01:45,722 INFO L273 TraceCheckUtils]: 30: Hoare triple {21136#(= ~s~0 ~SKIP1~0)} assume ~Irp__PendingReturned~1 != 0;~returnVal2~0 := 259; {21136#(= ~s~0 ~SKIP1~0)} is VALID [2018-11-14 19:01:45,722 INFO L273 TraceCheckUtils]: 31: Hoare triple {21136#(= ~s~0 ~SKIP1~0)} assume !(~s~0 == ~NP~0); {21136#(= ~s~0 ~SKIP1~0)} is VALID [2018-11-14 19:01:45,723 INFO L273 TraceCheckUtils]: 32: Hoare triple {21136#(= ~s~0 ~SKIP1~0)} assume !(~s~0 == ~MPR1~0); {21136#(= ~s~0 ~SKIP1~0)} is VALID [2018-11-14 19:01:45,723 INFO L273 TraceCheckUtils]: 33: Hoare triple {21136#(= ~s~0 ~SKIP1~0)} assume !(~s~0 == ~SKIP1~0); {21135#false} is VALID [2018-11-14 19:01:45,723 INFO L256 TraceCheckUtils]: 34: Hoare triple {21135#false} call errorFn(); {21135#false} is VALID [2018-11-14 19:01:45,724 INFO L273 TraceCheckUtils]: 35: Hoare triple {21135#false} assume !false; {21135#false} is VALID [2018-11-14 19:01:45,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-14 19:01:45,726 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-14 19:01:45,726 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-14 19:01:45,726 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2018-11-14 19:01:45,727 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-14 19:01:45,727 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2018-11-14 19:01:45,770 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 36 edges. 36 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 19:01:45,770 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-14 19:01:45,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-14 19:01:45,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-14 19:01:45,771 INFO L87 Difference]: Start difference. First operand 895 states and 1307 transitions. Second operand 3 states. [2018-11-14 19:01:48,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 19:01:48,215 INFO L93 Difference]: Finished difference Result 898 states and 1309 transitions. [2018-11-14 19:01:48,215 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-14 19:01:48,215 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2018-11-14 19:01:48,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-14 19:01:48,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-14 19:01:48,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 729 transitions. [2018-11-14 19:01:48,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-14 19:01:48,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 729 transitions. [2018-11-14 19:01:48,233 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 729 transitions. [2018-11-14 19:01:48,914 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 729 edges. 729 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 19:01:48,965 INFO L225 Difference]: With dead ends: 898 [2018-11-14 19:01:48,965 INFO L226 Difference]: Without dead ends: 894 [2018-11-14 19:01:48,966 INFO L604 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 [2018-11-14 19:01:48,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 894 states. [2018-11-14 19:01:50,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 894 to 894. [2018-11-14 19:01:50,408 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-14 19:01:50,408 INFO L82 GeneralOperation]: Start isEquivalent. First operand 894 states. Second operand 894 states. [2018-11-14 19:01:50,409 INFO L74 IsIncluded]: Start isIncluded. First operand 894 states. Second operand 894 states. [2018-11-14 19:01:50,409 INFO L87 Difference]: Start difference. First operand 894 states. Second operand 894 states. [2018-11-14 19:01:50,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 19:01:50,459 INFO L93 Difference]: Finished difference Result 894 states and 1304 transitions. [2018-11-14 19:01:50,459 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1304 transitions. [2018-11-14 19:01:50,463 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 19:01:50,463 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 19:01:50,463 INFO L74 IsIncluded]: Start isIncluded. First operand 894 states. Second operand 894 states. [2018-11-14 19:01:50,463 INFO L87 Difference]: Start difference. First operand 894 states. Second operand 894 states. [2018-11-14 19:01:50,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 19:01:50,519 INFO L93 Difference]: Finished difference Result 894 states and 1304 transitions. [2018-11-14 19:01:50,519 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1304 transitions. [2018-11-14 19:01:50,523 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 19:01:50,523 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 19:01:50,523 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-14 19:01:50,523 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-14 19:01:50,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 894 states. [2018-11-14 19:01:50,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1304 transitions. [2018-11-14 19:01:50,588 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1304 transitions. Word has length 36 [2018-11-14 19:01:50,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-14 19:01:50,589 INFO L480 AbstractCegarLoop]: Abstraction has 894 states and 1304 transitions. [2018-11-14 19:01:50,589 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-14 19:01:50,589 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1304 transitions. [2018-11-14 19:01:50,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-14 19:01:50,591 INFO L367 BasicCegarLoop]: Found error trace [2018-11-14 19:01:50,591 INFO L375 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] [2018-11-14 19:01:50,591 INFO L423 AbstractCegarLoop]: === Iteration 7 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-14 19:01:50,591 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-14 19:01:50,592 INFO L82 PathProgramCache]: Analyzing trace with hash 2048377982, now seen corresponding path program 1 times [2018-11-14 19:01:50,592 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-14 19:01:50,592 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-14 19:01:50,593 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-14 19:01:50,593 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-14 19:01:50,593 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-14 19:01:50,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 19:01:50,846 INFO L256 TraceCheckUtils]: 0: Hoare triple {25240#true} call ULTIMATE.init(); {25240#true} is VALID [2018-11-14 19:01:50,846 INFO L273 TraceCheckUtils]: 1: Hoare triple {25240#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; {25240#true} is VALID [2018-11-14 19:01:50,847 INFO L273 TraceCheckUtils]: 2: Hoare triple {25240#true} assume true; {25240#true} is VALID [2018-11-14 19:01:50,847 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {25240#true} {25240#true} #1497#return; {25240#true} is VALID [2018-11-14 19:01:50,847 INFO L256 TraceCheckUtils]: 4: Hoare triple {25240#true} call #t~ret176 := main(); {25240#true} is VALID [2018-11-14 19:01:50,847 INFO L273 TraceCheckUtils]: 5: Hoare triple {25240#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; {25240#true} is VALID [2018-11-14 19:01:50,848 INFO L256 TraceCheckUtils]: 6: Hoare triple {25240#true} call _BLAST_init(); {25240#true} is VALID [2018-11-14 19:01:50,848 INFO L273 TraceCheckUtils]: 7: Hoare triple {25240#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; {25240#true} is VALID [2018-11-14 19:01:50,848 INFO L273 TraceCheckUtils]: 8: Hoare triple {25240#true} assume true; {25240#true} is VALID [2018-11-14 19:01:50,848 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {25240#true} {25240#true} #1365#return; {25240#true} is VALID [2018-11-14 19:01:50,848 INFO L273 TraceCheckUtils]: 10: Hoare triple {25240#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; {25240#true} is VALID [2018-11-14 19:01:50,849 INFO L273 TraceCheckUtils]: 11: Hoare triple {25240#true} assume ~irp_choice~0 == 0;~pirp__IoStatus__Status~0 := -1073741637;~myStatus~0 := -1073741637; {25240#true} is VALID [2018-11-14 19:01:50,849 INFO L256 TraceCheckUtils]: 12: Hoare triple {25240#true} call stub_driver_init(); {25240#true} is VALID [2018-11-14 19:01:50,849 INFO L273 TraceCheckUtils]: 13: Hoare triple {25240#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; {25240#true} is VALID [2018-11-14 19:01:50,849 INFO L273 TraceCheckUtils]: 14: Hoare triple {25240#true} assume true; {25240#true} is VALID [2018-11-14 19:01:50,850 INFO L268 TraceCheckUtils]: 15: Hoare quadruple {25240#true} {25240#true} #1367#return; {25240#true} is VALID [2018-11-14 19:01:50,850 INFO L273 TraceCheckUtils]: 16: Hoare triple {25240#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; {25240#true} is VALID [2018-11-14 19:01:50,850 INFO L273 TraceCheckUtils]: 17: Hoare triple {25240#true} assume !(~tmp_ndt_1~0 == 2);havoc ~tmp_ndt_2~0;assume -2147483648 <= #t~nondet157 && #t~nondet157 <= 2147483647;~tmp_ndt_2~0 := #t~nondet157;havoc #t~nondet157; {25240#true} is VALID [2018-11-14 19:01:50,850 INFO L273 TraceCheckUtils]: 18: Hoare triple {25240#true} assume ~tmp_ndt_2~0 == 3; {25240#true} is VALID [2018-11-14 19:01:50,851 INFO L256 TraceCheckUtils]: 19: Hoare triple {25240#true} call #t~ret160 := CdAudioPnp(~devobj~0, ~pirp~0); {25240#true} is VALID [2018-11-14 19:01:50,851 INFO L273 TraceCheckUtils]: 20: Hoare triple {25240#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; {25240#true} is VALID [2018-11-14 19:01:50,851 INFO L273 TraceCheckUtils]: 21: Hoare triple {25240#true} assume ~irpSp__MinorFunction~0 == 0; {25240#true} is VALID [2018-11-14 19:01:50,851 INFO L256 TraceCheckUtils]: 22: Hoare triple {25240#true} call #t~ret20 := CdAudioStartDevice(~DeviceObject, ~Irp); {25240#true} is VALID [2018-11-14 19:01:50,852 INFO L273 TraceCheckUtils]: 23: Hoare triple {25240#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; {25240#true} is VALID [2018-11-14 19:01:50,852 INFO L256 TraceCheckUtils]: 24: Hoare triple {25240#true} call #t~ret10 := CdAudioForwardIrpSynchronous(~DeviceObject, ~Irp); {25240#true} is VALID [2018-11-14 19:01:50,852 INFO L273 TraceCheckUtils]: 25: Hoare triple {25240#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; {25240#true} is VALID [2018-11-14 19:01:50,852 INFO L273 TraceCheckUtils]: 26: Hoare triple {25240#true} assume !(~s~0 != ~NP~0); {25240#true} is VALID [2018-11-14 19:01:50,865 INFO L273 TraceCheckUtils]: 27: Hoare triple {25240#true} assume !(~compRegistered~0 != 0);~compRegistered~0 := 1;~routine~0 := 1; {25242#(<= 1 ~routine~0)} is VALID [2018-11-14 19:01:50,878 INFO L273 TraceCheckUtils]: 28: Hoare triple {25242#(<= 1 ~routine~0)} ~irpSp__Control~1 := 224; {25242#(<= 1 ~routine~0)} is VALID [2018-11-14 19:01:50,891 INFO L256 TraceCheckUtils]: 29: Hoare triple {25242#(<= 1 ~routine~0)} call #t~ret142 := IofCallDriver(~deviceExtension__TargetDeviceObject~3, ~Irp); {25242#(<= 1 ~routine~0)} is VALID [2018-11-14 19:01:50,900 INFO L273 TraceCheckUtils]: 30: Hoare triple {25242#(<= 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; {25242#(<= 1 ~routine~0)} is VALID [2018-11-14 19:01:50,912 INFO L273 TraceCheckUtils]: 31: Hoare triple {25242#(<= 1 ~routine~0)} assume ~compRegistered~0 != 0; {25242#(<= 1 ~routine~0)} is VALID [2018-11-14 19:01:50,927 INFO L273 TraceCheckUtils]: 32: Hoare triple {25242#(<= 1 ~routine~0)} assume ~routine~0 == 0; {25241#false} is VALID [2018-11-14 19:01:50,927 INFO L256 TraceCheckUtils]: 33: Hoare triple {25241#false} call #t~ret164 := HPCdrCompletion(~DeviceObject, ~Irp, ~lcontext~0); {25241#false} is VALID [2018-11-14 19:01:50,927 INFO L273 TraceCheckUtils]: 34: Hoare triple {25241#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; {25241#false} is VALID [2018-11-14 19:01:50,928 INFO L273 TraceCheckUtils]: 35: Hoare triple {25241#false} assume ~Irp__PendingReturned~0 != 0; {25241#false} is VALID [2018-11-14 19:01:50,928 INFO L273 TraceCheckUtils]: 36: Hoare triple {25241#false} assume !(~pended~0 == 0); {25241#false} is VALID [2018-11-14 19:01:50,928 INFO L256 TraceCheckUtils]: 37: Hoare triple {25241#false} call errorFn(); {25241#false} is VALID [2018-11-14 19:01:50,928 INFO L273 TraceCheckUtils]: 38: Hoare triple {25241#false} assume !false; {25241#false} is VALID [2018-11-14 19:01:50,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-14 19:01:50,930 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-14 19:01:50,930 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-14 19:01:50,930 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2018-11-14 19:01:50,931 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-14 19:01:50,931 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2018-11-14 19:01:51,026 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 39 edges. 39 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 19:01:51,026 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-14 19:01:51,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-14 19:01:51,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-14 19:01:51,027 INFO L87 Difference]: Start difference. First operand 894 states and 1304 transitions. Second operand 3 states. [2018-11-14 19:01:54,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 19:01:54,452 INFO L93 Difference]: Finished difference Result 1286 states and 1827 transitions. [2018-11-14 19:01:54,452 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-14 19:01:54,453 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2018-11-14 19:01:54,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-14 19:01:54,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-14 19:01:54,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 986 transitions. [2018-11-14 19:01:54,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-14 19:01:54,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 986 transitions. [2018-11-14 19:01:54,465 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 986 transitions. [2018-11-14 19:01:55,386 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 986 edges. 986 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 19:01:55,464 INFO L225 Difference]: With dead ends: 1286 [2018-11-14 19:01:55,465 INFO L226 Difference]: Without dead ends: 1023 [2018-11-14 19:01:55,466 INFO L604 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 [2018-11-14 19:01:55,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1023 states. [2018-11-14 19:01:57,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1023 to 880. [2018-11-14 19:01:57,872 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-14 19:01:57,872 INFO L82 GeneralOperation]: Start isEquivalent. First operand 1023 states. Second operand 880 states. [2018-11-14 19:01:57,872 INFO L74 IsIncluded]: Start isIncluded. First operand 1023 states. Second operand 880 states. [2018-11-14 19:01:57,873 INFO L87 Difference]: Start difference. First operand 1023 states. Second operand 880 states. [2018-11-14 19:01:57,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 19:01:57,922 INFO L93 Difference]: Finished difference Result 1023 states and 1461 transitions. [2018-11-14 19:01:57,923 INFO L276 IsEmpty]: Start isEmpty. Operand 1023 states and 1461 transitions. [2018-11-14 19:01:57,926 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 19:01:57,926 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 19:01:57,926 INFO L74 IsIncluded]: Start isIncluded. First operand 880 states. Second operand 1023 states. [2018-11-14 19:01:57,927 INFO L87 Difference]: Start difference. First operand 880 states. Second operand 1023 states. [2018-11-14 19:01:57,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 19:01:57,992 INFO L93 Difference]: Finished difference Result 1023 states and 1461 transitions. [2018-11-14 19:01:57,992 INFO L276 IsEmpty]: Start isEmpty. Operand 1023 states and 1461 transitions. [2018-11-14 19:01:57,996 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 19:01:57,996 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 19:01:57,996 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-14 19:01:57,996 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-14 19:01:57,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 880 states. [2018-11-14 19:01:58,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 880 states and 1246 transitions. [2018-11-14 19:01:58,061 INFO L78 Accepts]: Start accepts. Automaton has 880 states and 1246 transitions. Word has length 39 [2018-11-14 19:01:58,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-14 19:01:58,061 INFO L480 AbstractCegarLoop]: Abstraction has 880 states and 1246 transitions. [2018-11-14 19:01:58,061 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-14 19:01:58,061 INFO L276 IsEmpty]: Start isEmpty. Operand 880 states and 1246 transitions. [2018-11-14 19:01:58,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-14 19:01:58,064 INFO L367 BasicCegarLoop]: Found error trace [2018-11-14 19:01:58,064 INFO L375 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] [2018-11-14 19:01:58,064 INFO L423 AbstractCegarLoop]: === Iteration 8 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-14 19:01:58,065 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-14 19:01:58,065 INFO L82 PathProgramCache]: Analyzing trace with hash -1893485112, now seen corresponding path program 1 times [2018-11-14 19:01:58,065 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-14 19:01:58,065 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-14 19:01:58,066 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-14 19:01:58,066 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-14 19:01:58,066 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-14 19:01:58,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 19:01:58,492 INFO L256 TraceCheckUtils]: 0: Hoare triple {30092#true} call ULTIMATE.init(); {30092#true} is VALID [2018-11-14 19:01:58,493 INFO L273 TraceCheckUtils]: 1: Hoare triple {30092#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; {30092#true} is VALID [2018-11-14 19:01:58,493 INFO L273 TraceCheckUtils]: 2: Hoare triple {30092#true} assume true; {30092#true} is VALID [2018-11-14 19:01:58,493 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {30092#true} {30092#true} #1497#return; {30092#true} is VALID [2018-11-14 19:01:58,493 INFO L256 TraceCheckUtils]: 4: Hoare triple {30092#true} call #t~ret176 := main(); {30092#true} is VALID [2018-11-14 19:01:58,493 INFO L273 TraceCheckUtils]: 5: Hoare triple {30092#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; {30092#true} is VALID [2018-11-14 19:01:58,494 INFO L256 TraceCheckUtils]: 6: Hoare triple {30092#true} call _BLAST_init(); {30092#true} is VALID [2018-11-14 19:01:58,494 INFO L273 TraceCheckUtils]: 7: Hoare triple {30092#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; {30092#true} is VALID [2018-11-14 19:01:58,494 INFO L273 TraceCheckUtils]: 8: Hoare triple {30092#true} assume true; {30092#true} is VALID [2018-11-14 19:01:58,494 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {30092#true} {30092#true} #1365#return; {30092#true} is VALID [2018-11-14 19:01:58,494 INFO L273 TraceCheckUtils]: 10: Hoare triple {30092#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; {30092#true} is VALID [2018-11-14 19:01:58,495 INFO L273 TraceCheckUtils]: 11: Hoare triple {30092#true} assume ~irp_choice~0 == 0;~pirp__IoStatus__Status~0 := -1073741637;~myStatus~0 := -1073741637; {30092#true} is VALID [2018-11-14 19:01:58,495 INFO L256 TraceCheckUtils]: 12: Hoare triple {30092#true} call stub_driver_init(); {30092#true} is VALID [2018-11-14 19:01:58,510 INFO L273 TraceCheckUtils]: 13: Hoare triple {30092#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; {30094#(= 0 ~pended~0)} is VALID [2018-11-14 19:01:58,525 INFO L273 TraceCheckUtils]: 14: Hoare triple {30094#(= 0 ~pended~0)} assume true; {30094#(= 0 ~pended~0)} is VALID [2018-11-14 19:01:58,534 INFO L268 TraceCheckUtils]: 15: Hoare quadruple {30094#(= 0 ~pended~0)} {30092#true} #1367#return; {30094#(= 0 ~pended~0)} is VALID [2018-11-14 19:01:58,546 INFO L273 TraceCheckUtils]: 16: Hoare triple {30094#(= 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; {30094#(= 0 ~pended~0)} is VALID [2018-11-14 19:01:58,559 INFO L273 TraceCheckUtils]: 17: Hoare triple {30094#(= 0 ~pended~0)} assume ~tmp_ndt_1~0 == 2; {30094#(= 0 ~pended~0)} is VALID [2018-11-14 19:01:58,572 INFO L256 TraceCheckUtils]: 18: Hoare triple {30094#(= 0 ~pended~0)} call #t~ret159 := CdAudioDeviceControl(~devobj~0, ~pirp~0); {30094#(= 0 ~pended~0)} is VALID [2018-11-14 19:01:58,589 INFO L273 TraceCheckUtils]: 19: Hoare triple {30094#(= 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; {30094#(= 0 ~pended~0)} is VALID [2018-11-14 19:01:58,602 INFO L273 TraceCheckUtils]: 20: Hoare triple {30094#(= 0 ~pended~0)} assume !(~deviceExtension__Active~1 == 2); {30094#(= 0 ~pended~0)} is VALID [2018-11-14 19:01:58,602 INFO L273 TraceCheckUtils]: 21: Hoare triple {30094#(= 0 ~pended~0)} assume !(~deviceExtension__Active~1 == 3); {30094#(= 0 ~pended~0)} is VALID [2018-11-14 19:01:58,608 INFO L273 TraceCheckUtils]: 22: Hoare triple {30094#(= 0 ~pended~0)} assume !(~deviceExtension__Active~1 == 1); {30094#(= 0 ~pended~0)} is VALID [2018-11-14 19:01:58,608 INFO L273 TraceCheckUtils]: 23: Hoare triple {30094#(= 0 ~pended~0)} assume ~deviceExtension__Active~1 == 7; {30094#(= 0 ~pended~0)} is VALID [2018-11-14 19:01:58,609 INFO L256 TraceCheckUtils]: 24: Hoare triple {30094#(= 0 ~pended~0)} call #t~ret30 := CdAudioHPCdrDeviceControl(~DeviceObject, ~Irp); {30094#(= 0 ~pended~0)} is VALID [2018-11-14 19:01:58,611 INFO L273 TraceCheckUtils]: 25: Hoare triple {30094#(= 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; {30094#(= 0 ~pended~0)} is VALID [2018-11-14 19:01:58,611 INFO L273 TraceCheckUtils]: 26: Hoare triple {30094#(= 0 ~pended~0)} assume ~currentIrpStack__Parameters__DeviceIoControl__IoControlCode~3 == ~__cil_tmp12~1; {30094#(= 0 ~pended~0)} is VALID [2018-11-14 19:01:58,612 INFO L273 TraceCheckUtils]: 27: Hoare triple {30094#(= 0 ~pended~0)} assume !(~s~0 != ~NP~0); {30094#(= 0 ~pended~0)} is VALID [2018-11-14 19:01:58,612 INFO L273 TraceCheckUtils]: 28: Hoare triple {30094#(= 0 ~pended~0)} assume !(~compRegistered~0 != 0);~compRegistered~0 := 1;~routine~0 := 0; {30094#(= 0 ~pended~0)} is VALID [2018-11-14 19:01:58,613 INFO L273 TraceCheckUtils]: 29: Hoare triple {30094#(= 0 ~pended~0)} ~irpSp__Control~0 := 224; {30094#(= 0 ~pended~0)} is VALID [2018-11-14 19:01:58,613 INFO L256 TraceCheckUtils]: 30: Hoare triple {30094#(= 0 ~pended~0)} call #t~ret138 := IofCallDriver(~deviceExtension__TargetDeviceObject~2, ~Irp); {30094#(= 0 ~pended~0)} is VALID [2018-11-14 19:01:58,614 INFO L273 TraceCheckUtils]: 31: Hoare triple {30094#(= 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; {30094#(= 0 ~pended~0)} is VALID [2018-11-14 19:01:58,614 INFO L273 TraceCheckUtils]: 32: Hoare triple {30094#(= 0 ~pended~0)} assume ~compRegistered~0 != 0; {30094#(= 0 ~pended~0)} is VALID [2018-11-14 19:01:58,614 INFO L273 TraceCheckUtils]: 33: Hoare triple {30094#(= 0 ~pended~0)} assume ~routine~0 == 0; {30094#(= 0 ~pended~0)} is VALID [2018-11-14 19:01:58,615 INFO L256 TraceCheckUtils]: 34: Hoare triple {30094#(= 0 ~pended~0)} call #t~ret164 := HPCdrCompletion(~DeviceObject, ~Irp, ~lcontext~0); {30094#(= 0 ~pended~0)} is VALID [2018-11-14 19:01:58,615 INFO L273 TraceCheckUtils]: 35: Hoare triple {30094#(= 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; {30094#(= 0 ~pended~0)} is VALID [2018-11-14 19:01:58,619 INFO L273 TraceCheckUtils]: 36: Hoare triple {30094#(= 0 ~pended~0)} assume ~Irp__PendingReturned~0 != 0; {30094#(= 0 ~pended~0)} is VALID [2018-11-14 19:01:58,619 INFO L273 TraceCheckUtils]: 37: Hoare triple {30094#(= 0 ~pended~0)} assume !(~pended~0 == 0); {30093#false} is VALID [2018-11-14 19:01:58,619 INFO L256 TraceCheckUtils]: 38: Hoare triple {30093#false} call errorFn(); {30093#false} is VALID [2018-11-14 19:01:58,619 INFO L273 TraceCheckUtils]: 39: Hoare triple {30093#false} assume !false; {30093#false} is VALID [2018-11-14 19:01:58,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-14 19:01:58,621 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-14 19:01:58,621 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-14 19:01:58,622 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2018-11-14 19:01:58,622 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-14 19:01:58,622 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2018-11-14 19:01:58,691 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 40 edges. 40 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 19:01:58,691 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-14 19:01:58,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-14 19:01:58,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-14 19:01:58,692 INFO L87 Difference]: Start difference. First operand 880 states and 1246 transitions. Second operand 3 states. [2018-11-14 19:02:01,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 19:02:01,446 INFO L93 Difference]: Finished difference Result 980 states and 1370 transitions. [2018-11-14 19:02:01,446 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-14 19:02:01,446 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2018-11-14 19:02:01,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-14 19:02:01,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-14 19:02:01,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 802 transitions. [2018-11-14 19:02:01,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-14 19:02:01,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 802 transitions. [2018-11-14 19:02:01,460 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 802 transitions. [2018-11-14 19:02:02,258 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 802 edges. 802 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 19:02:02,307 INFO L225 Difference]: With dead ends: 980 [2018-11-14 19:02:02,307 INFO L226 Difference]: Without dead ends: 962 [2018-11-14 19:02:02,308 INFO L604 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 [2018-11-14 19:02:02,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 962 states. [2018-11-14 19:02:05,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 962 to 900. [2018-11-14 19:02:05,119 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-14 19:02:05,120 INFO L82 GeneralOperation]: Start isEquivalent. First operand 962 states. Second operand 900 states. [2018-11-14 19:02:05,120 INFO L74 IsIncluded]: Start isIncluded. First operand 962 states. Second operand 900 states. [2018-11-14 19:02:05,120 INFO L87 Difference]: Start difference. First operand 962 states. Second operand 900 states. [2018-11-14 19:02:05,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 19:02:05,157 INFO L93 Difference]: Finished difference Result 962 states and 1345 transitions. [2018-11-14 19:02:05,158 INFO L276 IsEmpty]: Start isEmpty. Operand 962 states and 1345 transitions. [2018-11-14 19:02:05,160 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 19:02:05,160 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 19:02:05,160 INFO L74 IsIncluded]: Start isIncluded. First operand 900 states. Second operand 962 states. [2018-11-14 19:02:05,160 INFO L87 Difference]: Start difference. First operand 900 states. Second operand 962 states. [2018-11-14 19:02:05,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 19:02:05,216 INFO L93 Difference]: Finished difference Result 962 states and 1345 transitions. [2018-11-14 19:02:05,216 INFO L276 IsEmpty]: Start isEmpty. Operand 962 states and 1345 transitions. [2018-11-14 19:02:05,218 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 19:02:05,219 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 19:02:05,219 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-14 19:02:05,219 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-14 19:02:05,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 900 states. [2018-11-14 19:02:05,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 900 states and 1272 transitions. [2018-11-14 19:02:05,271 INFO L78 Accepts]: Start accepts. Automaton has 900 states and 1272 transitions. Word has length 40 [2018-11-14 19:02:05,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-14 19:02:05,271 INFO L480 AbstractCegarLoop]: Abstraction has 900 states and 1272 transitions. [2018-11-14 19:02:05,271 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-14 19:02:05,271 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1272 transitions. [2018-11-14 19:02:05,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-14 19:02:05,273 INFO L367 BasicCegarLoop]: Found error trace [2018-11-14 19:02:05,273 INFO L375 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] [2018-11-14 19:02:05,273 INFO L423 AbstractCegarLoop]: === Iteration 9 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-14 19:02:05,274 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-14 19:02:05,274 INFO L82 PathProgramCache]: Analyzing trace with hash -1084160267, now seen corresponding path program 1 times [2018-11-14 19:02:05,274 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-14 19:02:05,274 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-14 19:02:05,275 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-14 19:02:05,275 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-14 19:02:05,275 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-14 19:02:05,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 19:02:05,497 INFO L256 TraceCheckUtils]: 0: Hoare triple {34468#true} call ULTIMATE.init(); {34468#true} is VALID [2018-11-14 19:02:05,497 INFO L273 TraceCheckUtils]: 1: Hoare triple {34468#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; {34468#true} is VALID [2018-11-14 19:02:05,497 INFO L273 TraceCheckUtils]: 2: Hoare triple {34468#true} assume true; {34468#true} is VALID [2018-11-14 19:02:05,498 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {34468#true} {34468#true} #1497#return; {34468#true} is VALID [2018-11-14 19:02:05,498 INFO L256 TraceCheckUtils]: 4: Hoare triple {34468#true} call #t~ret176 := main(); {34468#true} is VALID [2018-11-14 19:02:05,498 INFO L273 TraceCheckUtils]: 5: Hoare triple {34468#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; {34468#true} is VALID [2018-11-14 19:02:05,498 INFO L256 TraceCheckUtils]: 6: Hoare triple {34468#true} call _BLAST_init(); {34468#true} is VALID [2018-11-14 19:02:05,498 INFO L273 TraceCheckUtils]: 7: Hoare triple {34468#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; {34468#true} is VALID [2018-11-14 19:02:05,499 INFO L273 TraceCheckUtils]: 8: Hoare triple {34468#true} assume true; {34468#true} is VALID [2018-11-14 19:02:05,499 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {34468#true} {34468#true} #1365#return; {34468#true} is VALID [2018-11-14 19:02:05,499 INFO L273 TraceCheckUtils]: 10: Hoare triple {34468#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; {34468#true} is VALID [2018-11-14 19:02:05,499 INFO L273 TraceCheckUtils]: 11: Hoare triple {34468#true} assume ~irp_choice~0 == 0;~pirp__IoStatus__Status~0 := -1073741637;~myStatus~0 := -1073741637; {34468#true} is VALID [2018-11-14 19:02:05,500 INFO L256 TraceCheckUtils]: 12: Hoare triple {34468#true} call stub_driver_init(); {34468#true} is VALID [2018-11-14 19:02:05,500 INFO L273 TraceCheckUtils]: 13: Hoare triple {34468#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; {34468#true} is VALID [2018-11-14 19:02:05,500 INFO L273 TraceCheckUtils]: 14: Hoare triple {34468#true} assume true; {34468#true} is VALID [2018-11-14 19:02:05,500 INFO L268 TraceCheckUtils]: 15: Hoare quadruple {34468#true} {34468#true} #1367#return; {34468#true} is VALID [2018-11-14 19:02:05,500 INFO L273 TraceCheckUtils]: 16: Hoare triple {34468#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; {34468#true} is VALID [2018-11-14 19:02:05,500 INFO L273 TraceCheckUtils]: 17: Hoare triple {34468#true} assume !(~tmp_ndt_1~0 == 2);havoc ~tmp_ndt_2~0;assume -2147483648 <= #t~nondet157 && #t~nondet157 <= 2147483647;~tmp_ndt_2~0 := #t~nondet157;havoc #t~nondet157; {34468#true} is VALID [2018-11-14 19:02:05,500 INFO L273 TraceCheckUtils]: 18: Hoare triple {34468#true} assume ~tmp_ndt_2~0 == 3; {34468#true} is VALID [2018-11-14 19:02:05,501 INFO L256 TraceCheckUtils]: 19: Hoare triple {34468#true} call #t~ret160 := CdAudioPnp(~devobj~0, ~pirp~0); {34468#true} is VALID [2018-11-14 19:02:05,501 INFO L273 TraceCheckUtils]: 20: Hoare triple {34468#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; {34468#true} is VALID [2018-11-14 19:02:05,501 INFO L273 TraceCheckUtils]: 21: Hoare triple {34468#true} assume ~irpSp__MinorFunction~0 == 0; {34468#true} is VALID [2018-11-14 19:02:05,501 INFO L256 TraceCheckUtils]: 22: Hoare triple {34468#true} call #t~ret20 := CdAudioStartDevice(~DeviceObject, ~Irp); {34468#true} is VALID [2018-11-14 19:02:05,501 INFO L273 TraceCheckUtils]: 23: Hoare triple {34468#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; {34468#true} is VALID [2018-11-14 19:02:05,502 INFO L256 TraceCheckUtils]: 24: Hoare triple {34468#true} call #t~ret10 := CdAudioForwardIrpSynchronous(~DeviceObject, ~Irp); {34468#true} is VALID [2018-11-14 19:02:05,502 INFO L273 TraceCheckUtils]: 25: Hoare triple {34468#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; {34468#true} is VALID [2018-11-14 19:02:05,502 INFO L273 TraceCheckUtils]: 26: Hoare triple {34468#true} assume !(~s~0 != ~NP~0); {34468#true} is VALID [2018-11-14 19:02:05,506 INFO L273 TraceCheckUtils]: 27: Hoare triple {34468#true} assume !(~compRegistered~0 != 0);~compRegistered~0 := 1;~routine~0 := 1; {34470#(= ~routine~0 1)} is VALID [2018-11-14 19:02:05,506 INFO L273 TraceCheckUtils]: 28: Hoare triple {34470#(= ~routine~0 1)} ~irpSp__Control~1 := 224; {34470#(= ~routine~0 1)} is VALID [2018-11-14 19:02:05,507 INFO L256 TraceCheckUtils]: 29: Hoare triple {34470#(= ~routine~0 1)} call #t~ret142 := IofCallDriver(~deviceExtension__TargetDeviceObject~3, ~Irp); {34470#(= ~routine~0 1)} is VALID [2018-11-14 19:02:05,508 INFO L273 TraceCheckUtils]: 30: Hoare triple {34470#(= ~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; {34470#(= ~routine~0 1)} is VALID [2018-11-14 19:02:05,508 INFO L273 TraceCheckUtils]: 31: Hoare triple {34470#(= ~routine~0 1)} assume ~compRegistered~0 != 0; {34470#(= ~routine~0 1)} is VALID [2018-11-14 19:02:05,511 INFO L273 TraceCheckUtils]: 32: Hoare triple {34470#(= ~routine~0 1)} assume !(~routine~0 == 0); {34470#(= ~routine~0 1)} is VALID [2018-11-14 19:02:05,514 INFO L273 TraceCheckUtils]: 33: Hoare triple {34470#(= ~routine~0 1)} assume !(~routine~0 == 1); {34469#false} is VALID [2018-11-14 19:02:05,514 INFO L273 TraceCheckUtils]: 34: Hoare triple {34469#false} ~__cil_tmp8~1 := ~compRetStatus~0; {34469#false} is VALID [2018-11-14 19:02:05,514 INFO L273 TraceCheckUtils]: 35: Hoare triple {34469#false} assume ~__cil_tmp8~1 % 4294967296 == 3221225494; {34469#false} is VALID [2018-11-14 19:02:05,514 INFO L256 TraceCheckUtils]: 36: Hoare triple {34469#false} call stubMoreProcessingRequired(); {34468#true} is VALID [2018-11-14 19:02:05,514 INFO L273 TraceCheckUtils]: 37: Hoare triple {34468#true} assume ~s~0 == ~NP~0;~s~0 := ~MPR1~0; {34468#true} is VALID [2018-11-14 19:02:05,515 INFO L273 TraceCheckUtils]: 38: Hoare triple {34468#true} assume true; {34468#true} is VALID [2018-11-14 19:02:05,515 INFO L268 TraceCheckUtils]: 39: Hoare quadruple {34468#true} {34469#false} #1471#return; {34469#false} is VALID [2018-11-14 19:02:05,515 INFO L273 TraceCheckUtils]: 40: Hoare triple {34469#false} assume ~Irp__PendingReturned~1 != 0;~returnVal2~0 := 259; {34469#false} is VALID [2018-11-14 19:02:05,515 INFO L273 TraceCheckUtils]: 41: Hoare triple {34469#false} assume !(~s~0 == ~NP~0); {34469#false} is VALID [2018-11-14 19:02:05,515 INFO L273 TraceCheckUtils]: 42: Hoare triple {34469#false} assume !(~s~0 == ~MPR1~0); {34469#false} is VALID [2018-11-14 19:02:05,516 INFO L273 TraceCheckUtils]: 43: Hoare triple {34469#false} assume !(~s~0 == ~SKIP1~0); {34469#false} is VALID [2018-11-14 19:02:05,516 INFO L256 TraceCheckUtils]: 44: Hoare triple {34469#false} call errorFn(); {34469#false} is VALID [2018-11-14 19:02:05,516 INFO L273 TraceCheckUtils]: 45: Hoare triple {34469#false} assume !false; {34469#false} is VALID [2018-11-14 19:02:05,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-14 19:02:05,518 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-14 19:02:05,518 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-14 19:02:05,518 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2018-11-14 19:02:05,518 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-14 19:02:05,518 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2018-11-14 19:02:05,561 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 46 edges. 46 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 19:02:05,561 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-14 19:02:05,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-14 19:02:05,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-14 19:02:05,562 INFO L87 Difference]: Start difference. First operand 900 states and 1272 transitions. Second operand 3 states. [2018-11-14 19:02:09,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 19:02:09,452 INFO L93 Difference]: Finished difference Result 1179 states and 1651 transitions. [2018-11-14 19:02:09,452 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-14 19:02:09,452 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2018-11-14 19:02:09,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-14 19:02:09,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-14 19:02:09,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 956 transitions. [2018-11-14 19:02:09,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-14 19:02:09,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 956 transitions. [2018-11-14 19:02:09,466 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 956 transitions. [2018-11-14 19:02:10,321 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 956 edges. 956 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 19:02:10,367 INFO L225 Difference]: With dead ends: 1179 [2018-11-14 19:02:10,367 INFO L226 Difference]: Without dead ends: 933 [2018-11-14 19:02:10,368 INFO L604 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 [2018-11-14 19:02:10,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 933 states. [2018-11-14 19:02:12,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 933 to 900. [2018-11-14 19:02:12,217 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-14 19:02:12,217 INFO L82 GeneralOperation]: Start isEquivalent. First operand 933 states. Second operand 900 states. [2018-11-14 19:02:12,217 INFO L74 IsIncluded]: Start isIncluded. First operand 933 states. Second operand 900 states. [2018-11-14 19:02:12,217 INFO L87 Difference]: Start difference. First operand 933 states. Second operand 900 states. [2018-11-14 19:02:12,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 19:02:12,255 INFO L93 Difference]: Finished difference Result 933 states and 1308 transitions. [2018-11-14 19:02:12,255 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 1308 transitions. [2018-11-14 19:02:12,258 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 19:02:12,258 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 19:02:12,258 INFO L74 IsIncluded]: Start isIncluded. First operand 900 states. Second operand 933 states. [2018-11-14 19:02:12,258 INFO L87 Difference]: Start difference. First operand 900 states. Second operand 933 states. [2018-11-14 19:02:12,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 19:02:12,303 INFO L93 Difference]: Finished difference Result 933 states and 1308 transitions. [2018-11-14 19:02:12,304 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 1308 transitions. [2018-11-14 19:02:12,306 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 19:02:12,306 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 19:02:12,306 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-14 19:02:12,307 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-14 19:02:12,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 900 states. [2018-11-14 19:02:12,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 900 states and 1271 transitions. [2018-11-14 19:02:12,365 INFO L78 Accepts]: Start accepts. Automaton has 900 states and 1271 transitions. Word has length 46 [2018-11-14 19:02:12,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-14 19:02:12,365 INFO L480 AbstractCegarLoop]: Abstraction has 900 states and 1271 transitions. [2018-11-14 19:02:12,366 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-14 19:02:12,366 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1271 transitions. [2018-11-14 19:02:12,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-14 19:02:12,368 INFO L367 BasicCegarLoop]: Found error trace [2018-11-14 19:02:12,368 INFO L375 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] [2018-11-14 19:02:12,368 INFO L423 AbstractCegarLoop]: === Iteration 10 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-14 19:02:12,368 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-14 19:02:12,369 INFO L82 PathProgramCache]: Analyzing trace with hash 2092414536, now seen corresponding path program 1 times [2018-11-14 19:02:12,369 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-14 19:02:12,369 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-14 19:02:12,370 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-14 19:02:12,370 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-14 19:02:12,370 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-14 19:02:12,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 19:02:12,495 INFO L256 TraceCheckUtils]: 0: Hoare triple {39050#true} call ULTIMATE.init(); {39050#true} is VALID [2018-11-14 19:02:12,495 INFO L273 TraceCheckUtils]: 1: Hoare triple {39050#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; {39050#true} is VALID [2018-11-14 19:02:12,495 INFO L273 TraceCheckUtils]: 2: Hoare triple {39050#true} assume true; {39050#true} is VALID [2018-11-14 19:02:12,496 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {39050#true} {39050#true} #1497#return; {39050#true} is VALID [2018-11-14 19:02:12,496 INFO L256 TraceCheckUtils]: 4: Hoare triple {39050#true} call #t~ret176 := main(); {39050#true} is VALID [2018-11-14 19:02:12,496 INFO L273 TraceCheckUtils]: 5: Hoare triple {39050#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; {39050#true} is VALID [2018-11-14 19:02:12,497 INFO L256 TraceCheckUtils]: 6: Hoare triple {39050#true} call _BLAST_init(); {39050#true} is VALID [2018-11-14 19:02:12,497 INFO L273 TraceCheckUtils]: 7: Hoare triple {39050#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; {39050#true} is VALID [2018-11-14 19:02:12,497 INFO L273 TraceCheckUtils]: 8: Hoare triple {39050#true} assume true; {39050#true} is VALID [2018-11-14 19:02:12,498 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {39050#true} {39050#true} #1365#return; {39050#true} is VALID [2018-11-14 19:02:12,498 INFO L273 TraceCheckUtils]: 10: Hoare triple {39050#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; {39050#true} is VALID [2018-11-14 19:02:12,498 INFO L273 TraceCheckUtils]: 11: Hoare triple {39050#true} assume ~irp_choice~0 == 0;~pirp__IoStatus__Status~0 := -1073741637;~myStatus~0 := -1073741637; {39050#true} is VALID [2018-11-14 19:02:12,498 INFO L256 TraceCheckUtils]: 12: Hoare triple {39050#true} call stub_driver_init(); {39050#true} is VALID [2018-11-14 19:02:12,498 INFO L273 TraceCheckUtils]: 13: Hoare triple {39050#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; {39050#true} is VALID [2018-11-14 19:02:12,499 INFO L273 TraceCheckUtils]: 14: Hoare triple {39050#true} assume true; {39050#true} is VALID [2018-11-14 19:02:12,499 INFO L268 TraceCheckUtils]: 15: Hoare quadruple {39050#true} {39050#true} #1367#return; {39050#true} is VALID [2018-11-14 19:02:12,499 INFO L273 TraceCheckUtils]: 16: Hoare triple {39050#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; {39050#true} is VALID [2018-11-14 19:02:12,499 INFO L273 TraceCheckUtils]: 17: Hoare triple {39050#true} assume !(~tmp_ndt_1~0 == 2);havoc ~tmp_ndt_2~0;assume -2147483648 <= #t~nondet157 && #t~nondet157 <= 2147483647;~tmp_ndt_2~0 := #t~nondet157;havoc #t~nondet157; {39050#true} is VALID [2018-11-14 19:02:12,499 INFO L273 TraceCheckUtils]: 18: Hoare triple {39050#true} assume ~tmp_ndt_2~0 == 3; {39050#true} is VALID [2018-11-14 19:02:12,500 INFO L256 TraceCheckUtils]: 19: Hoare triple {39050#true} call #t~ret160 := CdAudioPnp(~devobj~0, ~pirp~0); {39050#true} is VALID [2018-11-14 19:02:12,500 INFO L273 TraceCheckUtils]: 20: Hoare triple {39050#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; {39050#true} is VALID [2018-11-14 19:02:12,500 INFO L273 TraceCheckUtils]: 21: Hoare triple {39050#true} assume ~irpSp__MinorFunction~0 == 0; {39050#true} is VALID [2018-11-14 19:02:12,500 INFO L256 TraceCheckUtils]: 22: Hoare triple {39050#true} call #t~ret20 := CdAudioStartDevice(~DeviceObject, ~Irp); {39050#true} is VALID [2018-11-14 19:02:12,500 INFO L273 TraceCheckUtils]: 23: Hoare triple {39050#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; {39050#true} is VALID [2018-11-14 19:02:12,500 INFO L256 TraceCheckUtils]: 24: Hoare triple {39050#true} call #t~ret10 := CdAudioForwardIrpSynchronous(~DeviceObject, ~Irp); {39050#true} is VALID [2018-11-14 19:02:12,501 INFO L273 TraceCheckUtils]: 25: Hoare triple {39050#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; {39050#true} is VALID [2018-11-14 19:02:12,501 INFO L273 TraceCheckUtils]: 26: Hoare triple {39050#true} assume !(~s~0 != ~NP~0); {39050#true} is VALID [2018-11-14 19:02:12,504 INFO L273 TraceCheckUtils]: 27: Hoare triple {39050#true} assume !(~compRegistered~0 != 0);~compRegistered~0 := 1;~routine~0 := 1; {39052#(<= 1 ~compRegistered~0)} is VALID [2018-11-14 19:02:12,504 INFO L273 TraceCheckUtils]: 28: Hoare triple {39052#(<= 1 ~compRegistered~0)} ~irpSp__Control~1 := 224; {39052#(<= 1 ~compRegistered~0)} is VALID [2018-11-14 19:02:12,504 INFO L256 TraceCheckUtils]: 29: Hoare triple {39052#(<= 1 ~compRegistered~0)} call #t~ret142 := IofCallDriver(~deviceExtension__TargetDeviceObject~3, ~Irp); {39050#true} is VALID [2018-11-14 19:02:12,504 INFO L273 TraceCheckUtils]: 30: Hoare triple {39050#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; {39050#true} is VALID [2018-11-14 19:02:12,506 INFO L273 TraceCheckUtils]: 31: Hoare triple {39050#true} assume !(~compRegistered~0 != 0); {39053#(<= ~compRegistered~0 0)} is VALID [2018-11-14 19:02:12,506 INFO L273 TraceCheckUtils]: 32: Hoare triple {39053#(<= ~compRegistered~0 0)} assume ~Irp__PendingReturned~1 != 0;~returnVal2~0 := 259; {39053#(<= ~compRegistered~0 0)} is VALID [2018-11-14 19:02:12,508 INFO L273 TraceCheckUtils]: 33: Hoare triple {39053#(<= ~compRegistered~0 0)} assume ~s~0 == ~NP~0;~s~0 := ~IPC~0;~lowerDriverReturn~0 := ~returnVal2~0; {39053#(<= ~compRegistered~0 0)} is VALID [2018-11-14 19:02:12,508 INFO L273 TraceCheckUtils]: 34: Hoare triple {39053#(<= ~compRegistered~0 0)} #res := ~returnVal2~0; {39053#(<= ~compRegistered~0 0)} is VALID [2018-11-14 19:02:12,513 INFO L273 TraceCheckUtils]: 35: Hoare triple {39053#(<= ~compRegistered~0 0)} assume true; {39053#(<= ~compRegistered~0 0)} is VALID [2018-11-14 19:02:12,514 INFO L268 TraceCheckUtils]: 36: Hoare quadruple {39053#(<= ~compRegistered~0 0)} {39052#(<= 1 ~compRegistered~0)} #1555#return; {39051#false} is VALID [2018-11-14 19:02:12,514 INFO L273 TraceCheckUtils]: 37: Hoare triple {39051#false} assume -2147483648 <= #t~ret142 && #t~ret142 <= 2147483647;~status~8 := #t~ret142;havoc #t~ret142;~status~8 := 259; {39051#false} is VALID [2018-11-14 19:02:12,514 INFO L273 TraceCheckUtils]: 38: Hoare triple {39051#false} assume ~status~8 != 0; {39051#false} is VALID [2018-11-14 19:02:12,515 INFO L256 TraceCheckUtils]: 39: Hoare triple {39051#false} call #t~ret143 := KeWaitForSingleObject(~event~2, ~Executive~0, ~KernelMode~0, 0, 0); {39051#false} is VALID [2018-11-14 19:02:12,515 INFO L273 TraceCheckUtils]: 40: Hoare triple {39051#false} ~Object := #in~Object;~WaitReason := #in~WaitReason;~WaitMode := #in~WaitMode;~Alertable := #in~Alertable;~Timeout := #in~Timeout; {39051#false} is VALID [2018-11-14 19:02:12,515 INFO L273 TraceCheckUtils]: 41: Hoare triple {39051#false} assume ~s~0 == ~MPR3~0; {39051#false} is VALID [2018-11-14 19:02:12,515 INFO L273 TraceCheckUtils]: 42: Hoare triple {39051#false} assume !(~setEventCalled~0 == 1); {39051#false} is VALID [2018-11-14 19:02:12,515 INFO L273 TraceCheckUtils]: 43: Hoare triple {39051#false} assume !(~customIrp~0 == 1); {39051#false} is VALID [2018-11-14 19:02:12,515 INFO L273 TraceCheckUtils]: 44: Hoare triple {39051#false} assume ~s~0 == ~MPR3~0; {39051#false} is VALID [2018-11-14 19:02:12,515 INFO L256 TraceCheckUtils]: 45: Hoare triple {39051#false} call errorFn(); {39051#false} is VALID [2018-11-14 19:02:12,516 INFO L273 TraceCheckUtils]: 46: Hoare triple {39051#false} assume !false; {39051#false} is VALID [2018-11-14 19:02:12,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-14 19:02:12,517 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-14 19:02:12,517 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-14 19:02:12,518 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2018-11-14 19:02:12,518 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-14 19:02:12,518 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2018-11-14 19:02:12,565 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 47 edges. 47 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 19:02:12,565 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-14 19:02:12,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-14 19:02:12,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-14 19:02:12,566 INFO L87 Difference]: Start difference. First operand 900 states and 1271 transitions. Second operand 4 states. [2018-11-14 19:02:16,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 19:02:16,939 INFO L93 Difference]: Finished difference Result 1022 states and 1417 transitions. [2018-11-14 19:02:16,939 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-14 19:02:16,939 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2018-11-14 19:02:16,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-14 19:02:16,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-14 19:02:16,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 935 transitions. [2018-11-14 19:02:16,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-14 19:02:16,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 935 transitions. [2018-11-14 19:02:16,952 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 935 transitions. [2018-11-14 19:02:17,938 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 935 edges. 935 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 19:02:17,973 INFO L225 Difference]: With dead ends: 1022 [2018-11-14 19:02:17,973 INFO L226 Difference]: Without dead ends: 789 [2018-11-14 19:02:17,974 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-14 19:02:17,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 789 states. [2018-11-14 19:02:18,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 789 to 755. [2018-11-14 19:02:18,962 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-14 19:02:18,962 INFO L82 GeneralOperation]: Start isEquivalent. First operand 789 states. Second operand 755 states. [2018-11-14 19:02:18,962 INFO L74 IsIncluded]: Start isIncluded. First operand 789 states. Second operand 755 states. [2018-11-14 19:02:18,962 INFO L87 Difference]: Start difference. First operand 789 states. Second operand 755 states. [2018-11-14 19:02:18,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 19:02:18,989 INFO L93 Difference]: Finished difference Result 789 states and 1098 transitions. [2018-11-14 19:02:18,989 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1098 transitions. [2018-11-14 19:02:18,991 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 19:02:18,991 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 19:02:18,991 INFO L74 IsIncluded]: Start isIncluded. First operand 755 states. Second operand 789 states. [2018-11-14 19:02:18,991 INFO L87 Difference]: Start difference. First operand 755 states. Second operand 789 states. [2018-11-14 19:02:19,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 19:02:19,031 INFO L93 Difference]: Finished difference Result 789 states and 1098 transitions. [2018-11-14 19:02:19,031 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1098 transitions. [2018-11-14 19:02:19,034 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 19:02:19,034 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 19:02:19,034 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-14 19:02:19,034 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-14 19:02:19,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 755 states. [2018-11-14 19:02:19,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 755 states and 1060 transitions. [2018-11-14 19:02:19,072 INFO L78 Accepts]: Start accepts. Automaton has 755 states and 1060 transitions. Word has length 47 [2018-11-14 19:02:19,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-14 19:02:19,072 INFO L480 AbstractCegarLoop]: Abstraction has 755 states and 1060 transitions. [2018-11-14 19:02:19,072 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-14 19:02:19,072 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 1060 transitions. [2018-11-14 19:02:19,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-14 19:02:19,074 INFO L367 BasicCegarLoop]: Found error trace [2018-11-14 19:02:19,074 INFO L375 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] [2018-11-14 19:02:19,074 INFO L423 AbstractCegarLoop]: === Iteration 11 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-14 19:02:19,074 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-14 19:02:19,074 INFO L82 PathProgramCache]: Analyzing trace with hash -95752597, now seen corresponding path program 1 times [2018-11-14 19:02:19,074 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-14 19:02:19,074 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-14 19:02:19,075 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-14 19:02:19,075 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-14 19:02:19,075 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-14 19:02:19,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 19:02:19,312 INFO L256 TraceCheckUtils]: 0: Hoare triple {42963#true} call ULTIMATE.init(); {42963#true} is VALID [2018-11-14 19:02:19,313 INFO L273 TraceCheckUtils]: 1: Hoare triple {42963#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; {42963#true} is VALID [2018-11-14 19:02:19,313 INFO L273 TraceCheckUtils]: 2: Hoare triple {42963#true} assume true; {42963#true} is VALID [2018-11-14 19:02:19,313 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {42963#true} {42963#true} #1497#return; {42963#true} is VALID [2018-11-14 19:02:19,313 INFO L256 TraceCheckUtils]: 4: Hoare triple {42963#true} call #t~ret176 := main(); {42963#true} is VALID [2018-11-14 19:02:19,313 INFO L273 TraceCheckUtils]: 5: Hoare triple {42963#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; {42963#true} is VALID [2018-11-14 19:02:19,314 INFO L256 TraceCheckUtils]: 6: Hoare triple {42963#true} call _BLAST_init(); {42963#true} is VALID [2018-11-14 19:02:19,314 INFO L273 TraceCheckUtils]: 7: Hoare triple {42963#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; {42963#true} is VALID [2018-11-14 19:02:19,314 INFO L273 TraceCheckUtils]: 8: Hoare triple {42963#true} assume true; {42963#true} is VALID [2018-11-14 19:02:19,314 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {42963#true} {42963#true} #1365#return; {42963#true} is VALID [2018-11-14 19:02:19,315 INFO L273 TraceCheckUtils]: 10: Hoare triple {42963#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; {42963#true} is VALID [2018-11-14 19:02:19,315 INFO L273 TraceCheckUtils]: 11: Hoare triple {42963#true} assume ~irp_choice~0 == 0;~pirp__IoStatus__Status~0 := -1073741637;~myStatus~0 := -1073741637; {42963#true} is VALID [2018-11-14 19:02:19,315 INFO L256 TraceCheckUtils]: 12: Hoare triple {42963#true} call stub_driver_init(); {42963#true} is VALID [2018-11-14 19:02:19,315 INFO L273 TraceCheckUtils]: 13: Hoare triple {42963#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; {42963#true} is VALID [2018-11-14 19:02:19,315 INFO L273 TraceCheckUtils]: 14: Hoare triple {42963#true} assume true; {42963#true} is VALID [2018-11-14 19:02:19,322 INFO L268 TraceCheckUtils]: 15: Hoare quadruple {42963#true} {42963#true} #1367#return; {42963#true} is VALID [2018-11-14 19:02:19,322 INFO L273 TraceCheckUtils]: 16: Hoare triple {42963#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; {42963#true} is VALID [2018-11-14 19:02:19,322 INFO L273 TraceCheckUtils]: 17: Hoare triple {42963#true} assume ~tmp_ndt_1~0 == 2; {42963#true} is VALID [2018-11-14 19:02:19,323 INFO L256 TraceCheckUtils]: 18: Hoare triple {42963#true} call #t~ret159 := CdAudioDeviceControl(~devobj~0, ~pirp~0); {42963#true} is VALID [2018-11-14 19:02:19,323 INFO L273 TraceCheckUtils]: 19: Hoare triple {42963#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; {42963#true} is VALID [2018-11-14 19:02:19,323 INFO L273 TraceCheckUtils]: 20: Hoare triple {42963#true} assume !(~deviceExtension__Active~1 == 2); {42963#true} is VALID [2018-11-14 19:02:19,323 INFO L273 TraceCheckUtils]: 21: Hoare triple {42963#true} assume !(~deviceExtension__Active~1 == 3); {42963#true} is VALID [2018-11-14 19:02:19,323 INFO L273 TraceCheckUtils]: 22: Hoare triple {42963#true} assume !(~deviceExtension__Active~1 == 1); {42963#true} is VALID [2018-11-14 19:02:19,324 INFO L273 TraceCheckUtils]: 23: Hoare triple {42963#true} assume ~deviceExtension__Active~1 == 7; {42963#true} is VALID [2018-11-14 19:02:19,324 INFO L256 TraceCheckUtils]: 24: Hoare triple {42963#true} call #t~ret30 := CdAudioHPCdrDeviceControl(~DeviceObject, ~Irp); {42963#true} is VALID [2018-11-14 19:02:19,324 INFO L273 TraceCheckUtils]: 25: Hoare triple {42963#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; {42963#true} is VALID [2018-11-14 19:02:19,324 INFO L273 TraceCheckUtils]: 26: Hoare triple {42963#true} assume ~currentIrpStack__Parameters__DeviceIoControl__IoControlCode~3 == ~__cil_tmp12~1; {42963#true} is VALID [2018-11-14 19:02:19,324 INFO L273 TraceCheckUtils]: 27: Hoare triple {42963#true} assume !(~s~0 != ~NP~0); {42963#true} is VALID [2018-11-14 19:02:19,336 INFO L273 TraceCheckUtils]: 28: Hoare triple {42963#true} assume !(~compRegistered~0 != 0);~compRegistered~0 := 1;~routine~0 := 0; {42965#(= ~routine~0 0)} is VALID [2018-11-14 19:02:19,346 INFO L273 TraceCheckUtils]: 29: Hoare triple {42965#(= ~routine~0 0)} ~irpSp__Control~0 := 224; {42965#(= ~routine~0 0)} is VALID [2018-11-14 19:02:19,361 INFO L256 TraceCheckUtils]: 30: Hoare triple {42965#(= ~routine~0 0)} call #t~ret138 := IofCallDriver(~deviceExtension__TargetDeviceObject~2, ~Irp); {42965#(= ~routine~0 0)} is VALID [2018-11-14 19:02:19,379 INFO L273 TraceCheckUtils]: 31: Hoare triple {42965#(= ~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; {42965#(= ~routine~0 0)} is VALID [2018-11-14 19:02:19,388 INFO L273 TraceCheckUtils]: 32: Hoare triple {42965#(= ~routine~0 0)} assume ~compRegistered~0 != 0; {42965#(= ~routine~0 0)} is VALID [2018-11-14 19:02:19,401 INFO L273 TraceCheckUtils]: 33: Hoare triple {42965#(= ~routine~0 0)} assume !(~routine~0 == 0); {42964#false} is VALID [2018-11-14 19:02:19,401 INFO L273 TraceCheckUtils]: 34: Hoare triple {42964#false} assume !(~routine~0 == 1); {42964#false} is VALID [2018-11-14 19:02:19,402 INFO L273 TraceCheckUtils]: 35: Hoare triple {42964#false} ~__cil_tmp8~1 := ~compRetStatus~0; {42964#false} is VALID [2018-11-14 19:02:19,402 INFO L273 TraceCheckUtils]: 36: Hoare triple {42964#false} assume ~__cil_tmp8~1 % 4294967296 == 3221225494; {42964#false} is VALID [2018-11-14 19:02:19,402 INFO L256 TraceCheckUtils]: 37: Hoare triple {42964#false} call stubMoreProcessingRequired(); {42963#true} is VALID [2018-11-14 19:02:19,402 INFO L273 TraceCheckUtils]: 38: Hoare triple {42963#true} assume ~s~0 == ~NP~0;~s~0 := ~MPR1~0; {42963#true} is VALID [2018-11-14 19:02:19,402 INFO L273 TraceCheckUtils]: 39: Hoare triple {42963#true} assume true; {42963#true} is VALID [2018-11-14 19:02:19,403 INFO L268 TraceCheckUtils]: 40: Hoare quadruple {42963#true} {42964#false} #1471#return; {42964#false} is VALID [2018-11-14 19:02:19,403 INFO L273 TraceCheckUtils]: 41: Hoare triple {42964#false} assume ~Irp__PendingReturned~1 != 0;~returnVal2~0 := 259; {42964#false} is VALID [2018-11-14 19:02:19,403 INFO L273 TraceCheckUtils]: 42: Hoare triple {42964#false} assume !(~s~0 == ~NP~0); {42964#false} is VALID [2018-11-14 19:02:19,403 INFO L273 TraceCheckUtils]: 43: Hoare triple {42964#false} assume !(~s~0 == ~MPR1~0); {42964#false} is VALID [2018-11-14 19:02:19,404 INFO L273 TraceCheckUtils]: 44: Hoare triple {42964#false} assume !(~s~0 == ~SKIP1~0); {42964#false} is VALID [2018-11-14 19:02:19,409 INFO L256 TraceCheckUtils]: 45: Hoare triple {42964#false} call errorFn(); {42964#false} is VALID [2018-11-14 19:02:19,409 INFO L273 TraceCheckUtils]: 46: Hoare triple {42964#false} assume !false; {42964#false} is VALID [2018-11-14 19:02:19,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-14 19:02:19,411 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-14 19:02:19,411 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-14 19:02:19,414 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-14 19:02:19,414 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-14 19:02:19,414 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2018-11-14 19:02:19,783 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 47 edges. 47 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 19:02:19,784 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-14 19:02:19,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-14 19:02:19,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-14 19:02:19,784 INFO L87 Difference]: Start difference. First operand 755 states and 1060 transitions. Second operand 3 states. [2018-11-14 19:02:22,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 19:02:22,732 INFO L93 Difference]: Finished difference Result 875 states and 1208 transitions. [2018-11-14 19:02:22,732 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-14 19:02:22,733 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-14 19:02:22,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-14 19:02:22,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-14 19:02:22,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 860 transitions. [2018-11-14 19:02:22,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-14 19:02:22,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 860 transitions. [2018-11-14 19:02:22,745 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 860 transitions. [2018-11-14 19:02:23,584 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 860 edges. 860 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 19:02:23,618 INFO L225 Difference]: With dead ends: 875 [2018-11-14 19:02:23,618 INFO L226 Difference]: Without dead ends: 779 [2018-11-14 19:02:23,619 INFO L604 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 [2018-11-14 19:02:23,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 779 states.