java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/ntdrivers/cdaudio.i.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-09 05:50:14,669 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-09 05:50:14,671 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-09 05:50:14,683 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-09 05:50:14,684 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-09 05:50:14,685 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-09 05:50:14,686 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-09 05:50:14,688 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-09 05:50:14,690 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-09 05:50:14,691 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-09 05:50:14,692 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-09 05:50:14,693 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-09 05:50:14,693 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-09 05:50:14,694 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-09 05:50:14,695 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-09 05:50:14,696 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-09 05:50:14,697 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-09 05:50:14,698 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-09 05:50:14,700 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-09 05:50:14,702 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-09 05:50:14,703 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-09 05:50:14,704 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-09 05:50:14,705 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-09 05:50:14,706 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-09 05:50:14,708 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-09 05:50:14,709 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-09 05:50:14,709 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-09 05:50:14,710 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-09 05:50:14,710 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-09 05:50:14,711 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-09 05:50:14,711 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-09 05:50:14,712 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-09 05:50:14,713 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-09 05:50:14,714 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-09 05:50:14,715 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-09 05:50:14,715 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-09 05:50:14,716 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-09 05:50:14,716 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-09 05:50:14,716 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-09 05:50:14,717 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-09 05:50:14,718 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-09 05:50:14,719 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-09 05:50:14,734 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-09 05:50:14,734 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-09 05:50:14,734 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-09 05:50:14,734 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-09 05:50:14,735 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-09 05:50:14,735 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-09 05:50:14,736 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-09 05:50:14,736 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-09 05:50:14,736 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-09 05:50:14,736 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-09 05:50:14,737 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-09 05:50:14,737 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-09 05:50:14,737 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-09 05:50:14,738 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-09 05:50:14,738 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-09 05:50:14,738 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-09 05:50:14,738 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-09 05:50:14,738 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-09 05:50:14,739 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-09 05:50:14,739 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-09 05:50:14,739 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-09 05:50:14,739 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-09 05:50:14,740 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-09 05:50:14,740 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-09 05:50:14,740 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-09 05:50:14,740 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-09 05:50:14,740 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-09 05:50:14,741 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-09 05:50:14,741 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-09 05:50:14,741 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-09 05:50:14,770 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-09 05:50:14,783 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-09 05:50:14,787 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-09 05:50:14,788 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-09 05:50:14,788 INFO L275 PluginConnector]: CDTParser initialized [2019-09-09 05:50:14,789 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers/cdaudio.i.cil-1.c [2019-09-09 05:50:14,853 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb8d4fcd2/da5a2d2d70884285b29364f66b11679a/FLAGf22aebc46 [2019-09-09 05:50:15,733 INFO L306 CDTParser]: Found 1 translation units. [2019-09-09 05:50:15,734 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers/cdaudio.i.cil-1.c [2019-09-09 05:50:15,779 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb8d4fcd2/da5a2d2d70884285b29364f66b11679a/FLAGf22aebc46 [2019-09-09 05:50:16,196 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb8d4fcd2/da5a2d2d70884285b29364f66b11679a [2019-09-09 05:50:16,209 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-09 05:50:16,210 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-09 05:50:16,211 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-09 05:50:16,211 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-09 05:50:16,215 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-09 05:50:16,216 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.09 05:50:16" (1/1) ... [2019-09-09 05:50:16,219 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@226f3051 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:50:16, skipping insertion in model container [2019-09-09 05:50:16,220 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.09 05:50:16" (1/1) ... [2019-09-09 05:50:16,228 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-09 05:50:16,385 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-09 05:50:18,168 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-09 05:50:18,188 INFO L188 MainTranslator]: Completed pre-run [2019-09-09 05:50:18,876 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-09 05:50:18,977 INFO L192 MainTranslator]: Completed translation [2019-09-09 05:50:18,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:50:18 WrapperNode [2019-09-09 05:50:18,979 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-09 05:50:18,980 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-09 05:50:18,980 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-09 05:50:18,980 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-09 05:50:18,996 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:50:18" (1/1) ... [2019-09-09 05:50:18,998 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:50:18" (1/1) ... [2019-09-09 05:50:19,142 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:50:18" (1/1) ... [2019-09-09 05:50:19,143 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:50:18" (1/1) ... [2019-09-09 05:50:19,495 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:50:18" (1/1) ... [2019-09-09 05:50:19,538 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:50:18" (1/1) ... [2019-09-09 05:50:19,591 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:50:18" (1/1) ... [2019-09-09 05:50:19,645 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-09 05:50:19,645 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-09 05:50:19,645 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-09 05:50:19,646 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-09 05:50:19,647 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:50:18" (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 [2019-09-09 05:50:19,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-09 05:50:19,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-09 05:50:19,723 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlWriteRegistryValue [2019-09-09 05:50:19,723 INFO L138 BoogieDeclarations]: Found implementation of procedure InterlockedIncrement [2019-09-09 05:50:19,724 INFO L138 BoogieDeclarations]: Found implementation of procedure InterlockedDecrement [2019-09-09 05:50:19,724 INFO L138 BoogieDeclarations]: Found implementation of procedure MmLockPagableDataSection [2019-09-09 05:50:19,724 INFO L138 BoogieDeclarations]: Found implementation of procedure IoOpenDeviceRegistryKey [2019-09-09 05:50:19,724 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2019-09-09 05:50:19,724 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2019-09-09 05:50:19,724 INFO L138 BoogieDeclarations]: Found implementation of procedure SendSrbSynchronous [2019-09-09 05:50:19,725 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioAddDevice [2019-09-09 05:50:19,725 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioSignalCompletion [2019-09-09 05:50:19,725 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioStartDevice [2019-09-09 05:50:19,726 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioPnp [2019-09-09 05:50:19,727 INFO L138 BoogieDeclarations]: Found implementation of procedure DriverEntry [2019-09-09 05:50:19,727 INFO L138 BoogieDeclarations]: Found implementation of procedure NecSupportNeeded [2019-09-09 05:50:19,728 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioReadWrite [2019-09-09 05:50:19,728 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioDeviceControl [2019-09-09 05:50:19,728 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioSendToNextDriver [2019-09-09 05:50:19,728 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioIsPlayActive [2019-09-09 05:50:19,729 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioNECDeviceControl [2019-09-09 05:50:19,729 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioPioneerDeviceControl [2019-09-09 05:50:19,729 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioDenonDeviceControl [2019-09-09 05:50:19,729 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioHitachiSendPauseCommand [2019-09-09 05:50:19,730 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioHitachiDeviceControl [2019-09-09 05:50:19,731 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudio535DeviceControl [2019-09-09 05:50:19,731 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudio435DeviceControl [2019-09-09 05:50:19,731 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioAtapiDeviceControl [2019-09-09 05:50:19,731 INFO L138 BoogieDeclarations]: Found implementation of procedure HpCdrProcessLastSession [2019-09-09 05:50:19,732 INFO L138 BoogieDeclarations]: Found implementation of procedure HPCdrCompletion [2019-09-09 05:50:19,732 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioHPCdrDeviceControl [2019-09-09 05:50:19,732 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioForwardIrpSynchronous [2019-09-09 05:50:19,732 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioUnload [2019-09-09 05:50:19,732 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioPower [2019-09-09 05:50:19,733 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2019-09-09 05:50:19,733 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-09 05:50:19,733 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_malloc [2019-09-09 05:50:19,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ExAcquireFastMutex [2019-09-09 05:50:19,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ExReleaseFastMutex [2019-09-09 05:50:19,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ExAllocatePoolWithTag [2019-09-09 05:50:19,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ExFreePool [2019-09-09 05:50:19,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ExfInterlockedInsertHeadList [2019-09-09 05:50:19,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ExfInterlockedInsertTailList [2019-09-09 05:50:19,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ExfInterlockedRemoveHeadList [2019-09-09 05:50:19,735 INFO L138 BoogieDeclarations]: Found implementation of procedure IoAllocateMdl [2019-09-09 05:50:19,736 INFO L138 BoogieDeclarations]: Found implementation of procedure IoAttachDeviceToDeviceStack [2019-09-09 05:50:19,736 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildAsynchronousFsdRequest [2019-09-09 05:50:19,736 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2019-09-09 05:50:19,736 INFO L138 BoogieDeclarations]: Found implementation of procedure IoCreateDevice [2019-09-09 05:50:19,736 INFO L138 BoogieDeclarations]: Found implementation of procedure IoCreateSymbolicLink [2019-09-09 05:50:19,736 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteDevice [2019-09-09 05:50:19,736 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteSymbolicLink [2019-09-09 05:50:19,737 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDetachDevice [2019-09-09 05:50:19,737 INFO L138 BoogieDeclarations]: Found implementation of procedure IoFreeIrp [2019-09-09 05:50:19,737 INFO L138 BoogieDeclarations]: Found implementation of procedure IoFreeMdl [2019-09-09 05:50:19,738 INFO L138 BoogieDeclarations]: Found implementation of procedure IoGetConfigurationInformation [2019-09-09 05:50:19,738 INFO L138 BoogieDeclarations]: Found implementation of procedure IoQueryDeviceDescription [2019-09-09 05:50:19,738 INFO L138 BoogieDeclarations]: Found implementation of procedure IoRegisterDeviceInterface [2019-09-09 05:50:19,738 INFO L138 BoogieDeclarations]: Found implementation of procedure IoReleaseCancelSpinLock [2019-09-09 05:50:19,738 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2019-09-09 05:50:19,739 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetHardErrorOrVerifyDevice [2019-09-09 05:50:19,739 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2019-09-09 05:50:19,739 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2019-09-09 05:50:19,739 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2019-09-09 05:50:19,740 INFO L138 BoogieDeclarations]: Found implementation of procedure KeAcquireSpinLockRaiseToDpc [2019-09-09 05:50:19,740 INFO L138 BoogieDeclarations]: Found implementation of procedure KeDelayExecutionThread [2019-09-09 05:50:19,741 INFO L138 BoogieDeclarations]: Found implementation of procedure KeInitializeEvent [2019-09-09 05:50:19,741 INFO L138 BoogieDeclarations]: Found implementation of procedure KeInitializeSemaphore [2019-09-09 05:50:19,741 INFO L138 BoogieDeclarations]: Found implementation of procedure KeInitializeSpinLock [2019-09-09 05:50:19,741 INFO L138 BoogieDeclarations]: Found implementation of procedure KeReleaseSemaphore [2019-09-09 05:50:19,741 INFO L138 BoogieDeclarations]: Found implementation of procedure KfReleaseSpinLock [2019-09-09 05:50:19,741 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2019-09-09 05:50:19,741 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2019-09-09 05:50:19,743 INFO L138 BoogieDeclarations]: Found implementation of procedure MmAllocateContiguousMemory [2019-09-09 05:50:19,743 INFO L138 BoogieDeclarations]: Found implementation of procedure MmFreeContiguousMemory [2019-09-09 05:50:19,743 INFO L138 BoogieDeclarations]: Found implementation of procedure MmMapLockedPagesSpecifyCache [2019-09-09 05:50:19,743 INFO L138 BoogieDeclarations]: Found implementation of procedure MmPageEntireDriver [2019-09-09 05:50:19,743 INFO L138 BoogieDeclarations]: Found implementation of procedure MmResetDriverPaging [2019-09-09 05:50:19,743 INFO L138 BoogieDeclarations]: Found implementation of procedure MmUnlockPages [2019-09-09 05:50:19,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ObReferenceObjectByHandle [2019-09-09 05:50:19,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ObfDereferenceObject [2019-09-09 05:50:19,745 INFO L138 BoogieDeclarations]: Found implementation of procedure PoCallDriver [2019-09-09 05:50:19,746 INFO L138 BoogieDeclarations]: Found implementation of procedure PoStartNextPowerIrp [2019-09-09 05:50:19,746 INFO L138 BoogieDeclarations]: Found implementation of procedure PsCreateSystemThread [2019-09-09 05:50:19,746 INFO L138 BoogieDeclarations]: Found implementation of procedure PsTerminateSystemThread [2019-09-09 05:50:19,747 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlAnsiStringToUnicodeString [2019-09-09 05:50:19,749 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlCompareMemory [2019-09-09 05:50:19,749 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlCopyUnicodeString [2019-09-09 05:50:19,749 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlDeleteRegistryValue [2019-09-09 05:50:19,749 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlFreeUnicodeString [2019-09-09 05:50:19,749 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlInitString [2019-09-09 05:50:19,749 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlInitUnicodeString [2019-09-09 05:50:19,750 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlQueryRegistryValues [2019-09-09 05:50:19,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2019-09-09 05:50:19,750 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-09 05:50:19,750 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-09-09 05:50:19,750 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-09 05:50:19,750 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-09 05:50:19,751 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-09 05:50:19,751 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-09 05:50:19,751 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-09 05:50:19,751 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-09 05:50:19,751 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-09-09 05:50:19,751 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2019-09-09 05:50:19,751 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-09 05:50:19,752 INFO L130 BoogieDeclarations]: Found specification of procedure RtlQueryRegistryValues [2019-09-09 05:50:19,752 INFO L130 BoogieDeclarations]: Found specification of procedure RtlWriteRegistryValue [2019-09-09 05:50:19,752 INFO L130 BoogieDeclarations]: Found specification of procedure RtlDeleteRegistryValue [2019-09-09 05:50:19,752 INFO L130 BoogieDeclarations]: Found specification of procedure RtlInitString [2019-09-09 05:50:19,752 INFO L130 BoogieDeclarations]: Found specification of procedure RtlInitUnicodeString [2019-09-09 05:50:19,752 INFO L130 BoogieDeclarations]: Found specification of procedure RtlAnsiStringToUnicodeString [2019-09-09 05:50:19,752 INFO L130 BoogieDeclarations]: Found specification of procedure RtlCopyUnicodeString [2019-09-09 05:50:19,753 INFO L130 BoogieDeclarations]: Found specification of procedure RtlFreeUnicodeString [2019-09-09 05:50:19,754 INFO L130 BoogieDeclarations]: Found specification of procedure RtlCompareMemory [2019-09-09 05:50:19,754 INFO L130 BoogieDeclarations]: Found specification of procedure InterlockedIncrement [2019-09-09 05:50:19,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-09 05:50:19,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-09 05:50:19,756 INFO L130 BoogieDeclarations]: Found specification of procedure InterlockedDecrement [2019-09-09 05:50:19,756 INFO L130 BoogieDeclarations]: Found specification of procedure KeInitializeEvent [2019-09-09 05:50:19,756 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2019-09-09 05:50:19,757 INFO L130 BoogieDeclarations]: Found specification of procedure KeInitializeSemaphore [2019-09-09 05:50:19,757 INFO L130 BoogieDeclarations]: Found specification of procedure KeReleaseSemaphore [2019-09-09 05:50:19,757 INFO L130 BoogieDeclarations]: Found specification of procedure KeDelayExecutionThread [2019-09-09 05:50:19,758 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2019-09-09 05:50:19,758 INFO L130 BoogieDeclarations]: Found specification of procedure KeInitializeSpinLock [2019-09-09 05:50:19,759 INFO L130 BoogieDeclarations]: Found specification of procedure KfReleaseSpinLock [2019-09-09 05:50:19,759 INFO L130 BoogieDeclarations]: Found specification of procedure ExAllocatePoolWithTag [2019-09-09 05:50:19,759 INFO L130 BoogieDeclarations]: Found specification of procedure ExFreePool [2019-09-09 05:50:19,759 INFO L130 BoogieDeclarations]: Found specification of procedure ExAcquireFastMutex [2019-09-09 05:50:19,759 INFO L130 BoogieDeclarations]: Found specification of procedure ExReleaseFastMutex [2019-09-09 05:50:19,763 INFO L130 BoogieDeclarations]: Found specification of procedure ExfInterlockedInsertHeadList [2019-09-09 05:50:19,763 INFO L130 BoogieDeclarations]: Found specification of procedure ExfInterlockedInsertTailList [2019-09-09 05:50:19,763 INFO L130 BoogieDeclarations]: Found specification of procedure ExfInterlockedRemoveHeadList [2019-09-09 05:50:19,763 INFO L130 BoogieDeclarations]: Found specification of procedure MmUnlockPages [2019-09-09 05:50:19,763 INFO L130 BoogieDeclarations]: Found specification of procedure MmMapLockedPagesSpecifyCache [2019-09-09 05:50:19,763 INFO L130 BoogieDeclarations]: Found specification of procedure MmAllocateContiguousMemory [2019-09-09 05:50:19,764 INFO L130 BoogieDeclarations]: Found specification of procedure MmFreeContiguousMemory [2019-09-09 05:50:19,764 INFO L130 BoogieDeclarations]: Found specification of procedure MmLockPagableDataSection [2019-09-09 05:50:19,765 INFO L130 BoogieDeclarations]: Found specification of procedure MmResetDriverPaging [2019-09-09 05:50:19,768 INFO L130 BoogieDeclarations]: Found specification of procedure MmPageEntireDriver [2019-09-09 05:50:19,769 INFO L130 BoogieDeclarations]: Found specification of procedure PsCreateSystemThread [2019-09-09 05:50:19,769 INFO L130 BoogieDeclarations]: Found specification of procedure PsTerminateSystemThread [2019-09-09 05:50:19,769 INFO L130 BoogieDeclarations]: Found specification of procedure IoAllocateMdl [2019-09-09 05:50:19,777 INFO L130 BoogieDeclarations]: Found specification of procedure IoAttachDeviceToDeviceStack [2019-09-09 05:50:19,777 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildAsynchronousFsdRequest [2019-09-09 05:50:19,777 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2019-09-09 05:50:19,777 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2019-09-09 05:50:19,777 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2019-09-09 05:50:19,777 INFO L130 BoogieDeclarations]: Found specification of procedure IoCreateDevice [2019-09-09 05:50:19,778 INFO L130 BoogieDeclarations]: Found specification of procedure IoCreateSymbolicLink [2019-09-09 05:50:19,778 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteDevice [2019-09-09 05:50:19,778 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteSymbolicLink [2019-09-09 05:50:19,778 INFO L130 BoogieDeclarations]: Found specification of procedure IoDetachDevice [2019-09-09 05:50:19,778 INFO L130 BoogieDeclarations]: Found specification of procedure IoFreeIrp [2019-09-09 05:50:19,778 INFO L130 BoogieDeclarations]: Found specification of procedure IoFreeMdl [2019-09-09 05:50:19,778 INFO L130 BoogieDeclarations]: Found specification of procedure IoGetConfigurationInformation [2019-09-09 05:50:19,778 INFO L130 BoogieDeclarations]: Found specification of procedure IoQueryDeviceDescription [2019-09-09 05:50:19,779 INFO L130 BoogieDeclarations]: Found specification of procedure IoReleaseCancelSpinLock [2019-09-09 05:50:19,779 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetHardErrorOrVerifyDevice [2019-09-09 05:50:19,779 INFO L130 BoogieDeclarations]: Found specification of procedure IoOpenDeviceRegistryKey [2019-09-09 05:50:19,779 INFO L130 BoogieDeclarations]: Found specification of procedure IoRegisterDeviceInterface [2019-09-09 05:50:19,780 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2019-09-09 05:50:19,780 INFO L130 BoogieDeclarations]: Found specification of procedure PoCallDriver [2019-09-09 05:50:19,780 INFO L130 BoogieDeclarations]: Found specification of procedure PoStartNextPowerIrp [2019-09-09 05:50:19,780 INFO L130 BoogieDeclarations]: Found specification of procedure ObReferenceObjectByHandle [2019-09-09 05:50:19,780 INFO L130 BoogieDeclarations]: Found specification of procedure ObfDereferenceObject [2019-09-09 05:50:19,780 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2019-09-09 05:50:19,780 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2019-09-09 05:50:19,780 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2019-09-09 05:50:19,780 INFO L130 BoogieDeclarations]: Found specification of procedure DriverEntry [2019-09-09 05:50:19,781 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioReadWrite [2019-09-09 05:50:19,781 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioDeviceControl [2019-09-09 05:50:19,781 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioSendToNextDriver [2019-09-09 05:50:19,781 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioIsPlayActive [2019-09-09 05:50:19,781 INFO L130 BoogieDeclarations]: Found specification of procedure NecSupportNeeded [2019-09-09 05:50:19,781 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioNECDeviceControl [2019-09-09 05:50:19,781 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioPioneerDeviceControl [2019-09-09 05:50:19,781 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioDenonDeviceControl [2019-09-09 05:50:19,781 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioHitachiSendPauseCommand [2019-09-09 05:50:19,781 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioHitachiDeviceControl [2019-09-09 05:50:19,782 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudio535DeviceControl [2019-09-09 05:50:19,782 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudio435DeviceControl [2019-09-09 05:50:19,782 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioAtapiDeviceControl [2019-09-09 05:50:19,782 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioHPCdrDeviceControl [2019-09-09 05:50:19,782 INFO L130 BoogieDeclarations]: Found specification of procedure HpCdrProcessLastSession [2019-09-09 05:50:19,782 INFO L130 BoogieDeclarations]: Found specification of procedure HPCdrCompletion [2019-09-09 05:50:19,783 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioPower [2019-09-09 05:50:19,783 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioForwardIrpSynchronous [2019-09-09 05:50:19,783 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioUnload [2019-09-09 05:50:19,783 INFO L130 BoogieDeclarations]: Found specification of procedure SendSrbSynchronous [2019-09-09 05:50:19,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-09 05:50:19,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-09 05:50:19,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-09 05:50:19,785 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioAddDevice [2019-09-09 05:50:19,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-09 05:50:19,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-09 05:50:19,785 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioSignalCompletion [2019-09-09 05:50:19,785 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioStartDevice [2019-09-09 05:50:19,785 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioPnp [2019-09-09 05:50:19,786 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-09-09 05:50:19,786 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2019-09-09 05:50:19,786 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-09 05:50:19,786 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-09 05:50:19,786 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_malloc [2019-09-09 05:50:19,787 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2019-09-09 05:50:19,787 INFO L130 BoogieDeclarations]: Found specification of procedure KeAcquireSpinLockRaiseToDpc [2019-09-09 05:50:19,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-09 05:50:19,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-09 05:50:19,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-09 05:50:19,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-09-09 05:50:19,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-09-09 05:50:19,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-09-09 05:50:19,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-09-09 05:50:20,914 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-09 05:50:20,971 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-09 05:50:20,972 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-09 05:50:20,972 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-09 05:50:21,008 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-09 05:50:21,009 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-09 05:50:21,024 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-09 05:50:21,034 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-09 05:50:21,035 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-09 05:50:21,035 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-09 05:50:21,054 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-09 05:50:21,054 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-09 05:50:21,057 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-09 05:50:33,674 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##28: assume !false; [2019-09-09 05:50:33,675 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##27: assume false; [2019-09-09 05:50:33,706 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-09 05:50:33,720 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-09 05:50:33,720 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-09 05:50:33,720 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-09 05:50:33,735 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-09 05:50:33,736 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-09 05:50:33,736 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-09 05:50:33,750 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-09 05:50:33,751 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-09 05:50:33,751 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-09 05:50:33,768 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-09 05:50:33,768 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-09 05:50:33,775 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-09 05:50:53,731 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##26: assume !false; [2019-09-09 05:50:53,732 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume false; [2019-09-09 05:50:53,775 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-09 05:50:53,952 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##39: assume false; [2019-09-09 05:50:53,952 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##40: assume !false; [2019-09-09 05:50:53,967 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-09 05:50:53,983 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-09 05:50:53,983 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-09 05:50:53,984 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-09 05:50:54,018 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2019-09-09 05:50:54,018 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2019-09-09 05:50:54,018 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-09 05:50:54,028 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-09 05:50:54,028 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-09 05:50:54,029 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-09 05:50:54,040 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-09 05:50:54,040 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-09 05:50:54,057 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-09 05:50:54,066 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-09 05:50:54,066 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-09 05:50:54,067 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-09 05:50:54,073 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-09 05:50:54,074 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-09 05:51:01,797 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-09 05:51:08,678 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##26: assume !false; [2019-09-09 05:51:08,678 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume false; [2019-09-09 05:51:08,694 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-09 05:51:21,016 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume false; [2019-09-09 05:51:21,017 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##22: assume !false; [2019-09-09 05:51:21,022 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-09 05:51:21,064 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2019-09-09 05:51:21,064 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2019-09-09 05:51:21,169 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-09 05:51:21,177 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-09 05:51:21,177 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-09 05:51:21,217 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-09 05:51:21,314 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##32: assume false; [2019-09-09 05:51:21,315 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##33: assume !false; [2019-09-09 05:51:21,517 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-09 05:51:21,528 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-09 05:51:21,529 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-09 05:51:21,888 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-09 05:51:21,897 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-09 05:51:21,897 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-09 05:51:21,899 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-09 05:51:31,981 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##28: assume !false; [2019-09-09 05:51:31,981 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##27: assume false; [2019-09-09 05:51:31,991 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-09 05:51:32,026 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume !false; [2019-09-09 05:51:32,027 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume false; [2019-09-09 05:51:32,037 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-09 05:51:32,056 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2019-09-09 05:51:32,056 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2019-09-09 05:51:32,082 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-09 05:51:32,090 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-09 05:51:32,091 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-09 05:51:32,389 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-09 05:51:34,567 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6: assume !false; [2019-09-09 05:51:34,568 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint L3707: #res := 0; [2019-09-09 05:51:34,568 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume false; [2019-09-09 05:51:34,568 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-09 05:51:34,576 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-09 05:51:34,576 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-09 05:51:36,774 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-09 05:51:50,926 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##26: assume !false; [2019-09-09 05:51:50,927 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume false; [2019-09-09 05:51:55,714 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-09 05:51:55,714 INFO L283 CfgBuilder]: Removed 16 assume(true) statements. [2019-09-09 05:51:55,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.09 05:51:55 BoogieIcfgContainer [2019-09-09 05:51:55,717 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-09 05:51:55,718 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-09 05:51:55,718 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-09 05:51:55,721 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-09 05:51:55,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.09 05:50:16" (1/3) ... [2019-09-09 05:51:55,722 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f95691a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.09 05:51:55, skipping insertion in model container [2019-09-09 05:51:55,722 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:50:18" (2/3) ... [2019-09-09 05:51:55,722 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f95691a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.09 05:51:55, skipping insertion in model container [2019-09-09 05:51:55,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.09 05:51:55" (3/3) ... [2019-09-09 05:51:55,724 INFO L109 eAbstractionObserver]: Analyzing ICFG cdaudio.i.cil-1.c [2019-09-09 05:51:55,732 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-09 05:51:55,745 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-09 05:51:55,760 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-09 05:51:55,787 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-09 05:51:55,787 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-09 05:51:55,787 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-09 05:51:55,788 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-09 05:51:55,788 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-09 05:51:55,788 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-09 05:51:55,788 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-09 05:51:55,788 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-09 05:51:55,836 INFO L276 IsEmpty]: Start isEmpty. Operand 1253 states. [2019-09-09 05:51:55,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-09-09 05:51:55,848 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 05:51:55,849 INFO L399 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] [2019-09-09 05:51:55,851 INFO L418 AbstractCegarLoop]: === Iteration 1 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 05:51:55,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 05:51:55,856 INFO L82 PathProgramCache]: Analyzing trace with hash 1641690656, now seen corresponding path program 1 times [2019-09-09 05:51:55,858 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-09 05:51:55,978 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:51:55,978 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 05:51:55,978 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:51:55,979 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-09 05:51:56,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 05:51:56,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-09 05:51:56,303 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 05:51:56,304 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-09 05:51:56,304 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-09 05:51:56,312 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-09 05:51:56,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-09 05:51:56,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-09 05:51:56,330 INFO L87 Difference]: Start difference. First operand 1253 states. Second operand 2 states. [2019-09-09 05:51:56,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 05:51:56,433 INFO L93 Difference]: Finished difference Result 677 states and 995 transitions. [2019-09-09 05:51:56,433 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-09 05:51:56,435 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 26 [2019-09-09 05:51:56,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 05:51:56,472 INFO L225 Difference]: With dead ends: 677 [2019-09-09 05:51:56,473 INFO L226 Difference]: Without dead ends: 671 [2019-09-09 05:51:56,476 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-09 05:51:56,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 671 states. [2019-09-09 05:51:56,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 671 to 671. [2019-09-09 05:51:56,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 671 states. [2019-09-09 05:51:56,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 671 states and 982 transitions. [2019-09-09 05:51:56,605 INFO L78 Accepts]: Start accepts. Automaton has 671 states and 982 transitions. Word has length 26 [2019-09-09 05:51:56,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 05:51:56,605 INFO L475 AbstractCegarLoop]: Abstraction has 671 states and 982 transitions. [2019-09-09 05:51:56,605 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-09 05:51:56,605 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 982 transitions. [2019-09-09 05:51:56,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-09-09 05:51:56,607 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 05:51:56,607 INFO L399 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] [2019-09-09 05:51:56,607 INFO L418 AbstractCegarLoop]: === Iteration 2 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 05:51:56,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 05:51:56,608 INFO L82 PathProgramCache]: Analyzing trace with hash 1487135532, now seen corresponding path program 1 times [2019-09-09 05:51:56,608 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-09 05:51:56,617 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:51:56,617 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 05:51:56,617 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:51:56,617 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-09 05:51:56,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 05:51:56,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-09 05:51:56,758 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 05:51:56,759 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-09 05:51:56,759 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-09 05:51:56,761 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-09 05:51:56,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-09 05:51:56,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-09 05:51:56,762 INFO L87 Difference]: Start difference. First operand 671 states and 982 transitions. Second operand 3 states. [2019-09-09 05:51:56,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 05:51:56,848 INFO L93 Difference]: Finished difference Result 677 states and 988 transitions. [2019-09-09 05:51:56,849 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-09 05:51:56,849 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-09-09 05:51:56,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 05:51:56,854 INFO L225 Difference]: With dead ends: 677 [2019-09-09 05:51:56,854 INFO L226 Difference]: Without dead ends: 677 [2019-09-09 05:51:56,855 INFO L628 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 [2019-09-09 05:51:56,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 677 states. [2019-09-09 05:51:56,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 677 to 674. [2019-09-09 05:51:56,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 674 states. [2019-09-09 05:51:56,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 674 states and 985 transitions. [2019-09-09 05:51:56,891 INFO L78 Accepts]: Start accepts. Automaton has 674 states and 985 transitions. Word has length 26 [2019-09-09 05:51:56,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 05:51:56,891 INFO L475 AbstractCegarLoop]: Abstraction has 674 states and 985 transitions. [2019-09-09 05:51:56,891 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-09 05:51:56,891 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 985 transitions. [2019-09-09 05:51:56,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-09-09 05:51:56,892 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 05:51:56,893 INFO L399 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] [2019-09-09 05:51:56,893 INFO L418 AbstractCegarLoop]: === Iteration 3 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 05:51:56,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 05:51:56,893 INFO L82 PathProgramCache]: Analyzing trace with hash -1488298766, now seen corresponding path program 1 times [2019-09-09 05:51:56,894 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-09 05:51:56,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:51:56,905 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 05:51:56,905 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:51:56,905 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-09 05:51:56,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 05:51:57,058 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-09 05:51:57,058 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 05:51:57,058 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-09 05:51:57,058 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-09 05:51:57,059 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-09 05:51:57,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-09 05:51:57,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-09 05:51:57,060 INFO L87 Difference]: Start difference. First operand 674 states and 985 transitions. Second operand 3 states. [2019-09-09 05:51:57,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 05:51:57,230 INFO L93 Difference]: Finished difference Result 679 states and 991 transitions. [2019-09-09 05:51:57,230 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-09 05:51:57,231 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2019-09-09 05:51:57,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 05:51:57,236 INFO L225 Difference]: With dead ends: 679 [2019-09-09 05:51:57,237 INFO L226 Difference]: Without dead ends: 674 [2019-09-09 05:51:57,237 INFO L628 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 [2019-09-09 05:51:57,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 674 states. [2019-09-09 05:51:57,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 674 to 674. [2019-09-09 05:51:57,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 674 states. [2019-09-09 05:51:57,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 674 states and 984 transitions. [2019-09-09 05:51:57,274 INFO L78 Accepts]: Start accepts. Automaton has 674 states and 984 transitions. Word has length 32 [2019-09-09 05:51:57,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 05:51:57,274 INFO L475 AbstractCegarLoop]: Abstraction has 674 states and 984 transitions. [2019-09-09 05:51:57,274 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-09 05:51:57,275 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 984 transitions. [2019-09-09 05:51:57,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-09-09 05:51:57,282 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 05:51:57,282 INFO L399 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] [2019-09-09 05:51:57,283 INFO L418 AbstractCegarLoop]: === Iteration 4 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 05:51:57,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 05:51:57,283 INFO L82 PathProgramCache]: Analyzing trace with hash -1867975053, now seen corresponding path program 1 times [2019-09-09 05:51:57,284 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-09 05:51:57,290 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:51:57,291 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 05:51:57,291 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:51:57,291 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-09 05:51:57,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 05:51:57,480 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-09 05:51:57,480 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 05:51:57,481 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-09 05:51:57,481 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-09 05:51:57,481 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-09 05:51:57,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-09 05:51:57,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-09 05:51:57,482 INFO L87 Difference]: Start difference. First operand 674 states and 984 transitions. Second operand 3 states. [2019-09-09 05:51:57,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 05:51:57,783 INFO L93 Difference]: Finished difference Result 989 states and 1427 transitions. [2019-09-09 05:51:57,783 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-09 05:51:57,784 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2019-09-09 05:51:57,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 05:51:57,792 INFO L225 Difference]: With dead ends: 989 [2019-09-09 05:51:57,792 INFO L226 Difference]: Without dead ends: 988 [2019-09-09 05:51:57,792 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-09 05:51:57,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 988 states. [2019-09-09 05:51:57,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 988 to 969. [2019-09-09 05:51:57,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 969 states. [2019-09-09 05:51:57,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 969 states to 969 states and 1402 transitions. [2019-09-09 05:51:57,833 INFO L78 Accepts]: Start accepts. Automaton has 969 states and 1402 transitions. Word has length 37 [2019-09-09 05:51:57,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 05:51:57,834 INFO L475 AbstractCegarLoop]: Abstraction has 969 states and 1402 transitions. [2019-09-09 05:51:57,834 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-09 05:51:57,834 INFO L276 IsEmpty]: Start isEmpty. Operand 969 states and 1402 transitions. [2019-09-09 05:51:57,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-09-09 05:51:57,836 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 05:51:57,836 INFO L399 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] [2019-09-09 05:51:57,836 INFO L418 AbstractCegarLoop]: === Iteration 5 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 05:51:57,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 05:51:57,837 INFO L82 PathProgramCache]: Analyzing trace with hash 271639672, now seen corresponding path program 1 times [2019-09-09 05:51:57,837 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-09 05:51:57,844 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:51:57,845 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 05:51:57,845 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:51:57,845 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-09 05:51:57,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 05:51:57,989 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-09 05:51:57,989 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 05:51:57,989 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-09 05:51:57,989 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-09 05:51:57,990 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-09 05:51:57,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-09 05:51:57,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-09 05:51:57,990 INFO L87 Difference]: Start difference. First operand 969 states and 1402 transitions. Second operand 3 states. [2019-09-09 05:51:58,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 05:51:58,282 INFO L93 Difference]: Finished difference Result 1582 states and 2339 transitions. [2019-09-09 05:51:58,352 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-09 05:51:58,352 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2019-09-09 05:51:58,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 05:51:58,367 INFO L225 Difference]: With dead ends: 1582 [2019-09-09 05:51:58,367 INFO L226 Difference]: Without dead ends: 1582 [2019-09-09 05:51:58,368 INFO L628 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 [2019-09-09 05:51:58,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1582 states. [2019-09-09 05:51:58,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1582 to 1140. [2019-09-09 05:51:58,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1140 states. [2019-09-09 05:51:58,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1140 states to 1140 states and 1677 transitions. [2019-09-09 05:51:58,439 INFO L78 Accepts]: Start accepts. Automaton has 1140 states and 1677 transitions. Word has length 44 [2019-09-09 05:51:58,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 05:51:58,441 INFO L475 AbstractCegarLoop]: Abstraction has 1140 states and 1677 transitions. [2019-09-09 05:51:58,441 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-09 05:51:58,442 INFO L276 IsEmpty]: Start isEmpty. Operand 1140 states and 1677 transitions. [2019-09-09 05:51:58,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-09-09 05:51:58,445 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 05:51:58,445 INFO L399 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] [2019-09-09 05:51:58,446 INFO L418 AbstractCegarLoop]: === Iteration 6 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 05:51:58,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 05:51:58,447 INFO L82 PathProgramCache]: Analyzing trace with hash -407356408, now seen corresponding path program 1 times [2019-09-09 05:51:58,447 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-09 05:51:58,455 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:51:58,456 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 05:51:58,456 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:51:58,457 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-09 05:51:58,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 05:51:58,749 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-09 05:51:58,750 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 05:51:58,750 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-09 05:51:58,750 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-09 05:51:58,750 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-09 05:51:58,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-09 05:51:58,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-09 05:51:58,751 INFO L87 Difference]: Start difference. First operand 1140 states and 1677 transitions. Second operand 5 states. [2019-09-09 05:52:00,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 05:52:00,379 INFO L93 Difference]: Finished difference Result 1155 states and 1693 transitions. [2019-09-09 05:52:00,380 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-09 05:52:00,380 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 45 [2019-09-09 05:52:00,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 05:52:00,390 INFO L225 Difference]: With dead ends: 1155 [2019-09-09 05:52:00,390 INFO L226 Difference]: Without dead ends: 1155 [2019-09-09 05:52:00,391 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-09-09 05:52:00,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1155 states. [2019-09-09 05:52:00,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1155 to 1134. [2019-09-09 05:52:00,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1134 states. [2019-09-09 05:52:00,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1134 states to 1134 states and 1665 transitions. [2019-09-09 05:52:00,440 INFO L78 Accepts]: Start accepts. Automaton has 1134 states and 1665 transitions. Word has length 45 [2019-09-09 05:52:00,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 05:52:00,441 INFO L475 AbstractCegarLoop]: Abstraction has 1134 states and 1665 transitions. [2019-09-09 05:52:00,441 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-09 05:52:00,441 INFO L276 IsEmpty]: Start isEmpty. Operand 1134 states and 1665 transitions. [2019-09-09 05:52:00,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-09-09 05:52:00,445 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 05:52:00,446 INFO L399 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] [2019-09-09 05:52:00,446 INFO L418 AbstractCegarLoop]: === Iteration 7 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 05:52:00,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 05:52:00,446 INFO L82 PathProgramCache]: Analyzing trace with hash 2059035920, now seen corresponding path program 1 times [2019-09-09 05:52:00,446 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-09 05:52:00,453 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:52:00,454 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 05:52:00,454 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:52:00,454 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-09 05:52:00,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 05:52:00,608 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-09 05:52:00,609 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 05:52:00,609 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-09 05:52:00,609 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-09 05:52:00,610 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-09 05:52:00,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-09 05:52:00,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-09 05:52:00,612 INFO L87 Difference]: Start difference. First operand 1134 states and 1665 transitions. Second operand 3 states. [2019-09-09 05:52:00,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 05:52:00,669 INFO L93 Difference]: Finished difference Result 1698 states and 2462 transitions. [2019-09-09 05:52:00,669 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-09 05:52:00,669 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2019-09-09 05:52:00,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 05:52:00,692 INFO L225 Difference]: With dead ends: 1698 [2019-09-09 05:52:00,692 INFO L226 Difference]: Without dead ends: 1698 [2019-09-09 05:52:00,693 INFO L628 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 [2019-09-09 05:52:00,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1698 states. [2019-09-09 05:52:00,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1698 to 1611. [2019-09-09 05:52:00,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1611 states. [2019-09-09 05:52:00,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1611 states to 1611 states and 2357 transitions. [2019-09-09 05:52:00,758 INFO L78 Accepts]: Start accepts. Automaton has 1611 states and 2357 transitions. Word has length 46 [2019-09-09 05:52:00,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 05:52:00,761 INFO L475 AbstractCegarLoop]: Abstraction has 1611 states and 2357 transitions. [2019-09-09 05:52:00,761 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-09 05:52:00,761 INFO L276 IsEmpty]: Start isEmpty. Operand 1611 states and 2357 transitions. [2019-09-09 05:52:00,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-09-09 05:52:00,762 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 05:52:00,763 INFO L399 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] [2019-09-09 05:52:00,763 INFO L418 AbstractCegarLoop]: === Iteration 8 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 05:52:00,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 05:52:00,764 INFO L82 PathProgramCache]: Analyzing trace with hash -1213243744, now seen corresponding path program 1 times [2019-09-09 05:52:00,764 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-09 05:52:00,771 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:52:00,771 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 05:52:00,771 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:52:00,771 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-09 05:52:00,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 05:52:00,891 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-09-09 05:52:00,892 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-09 05:52:00,892 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-09 05:52:00,893 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 47 with the following transitions: [2019-09-09 05:52:00,899 INFO L207 CegarAbsIntRunner]: [31], [32], [400], [403], [408], [464], [2506], [2507], [2550], [2556], [2558], [2560], [2564], [2570], [2572], [2574], [2578], [2584], [2586], [2588], [2592], [2596], [2599], [2607], [2612], [2617], [2620], [2752], [2753], [3142], [3169], [3173], [3183], [3195], [3206], [3211], [3864], [4130], [4131], [4132], [4133], [4138], [4212], [4264], [4265], [4266] [2019-09-09 05:52:00,950 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-09 05:52:00,951 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-09 05:52:01,053 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-09 05:52:01,055 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 110 root evaluator evaluations with a maximum evaluation depth of 0. Performed 110 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 174 variables. [2019-09-09 05:52:01,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 05:52:01,059 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-09 05:52:01,125 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-09 05:52:01,129 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-09 05:52:01,132 INFO L420 sIntCurrentIteration]: We unified 45 AI predicates to 45 [2019-09-09 05:52:01,132 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-09 05:52:01,133 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-09 05:52:01,133 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 4 [2019-09-09 05:52:01,136 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-09 05:52:01,137 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-09 05:52:01,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-09 05:52:01,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-09 05:52:01,137 INFO L87 Difference]: Start difference. First operand 1611 states and 2357 transitions. Second operand 2 states. [2019-09-09 05:52:01,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 05:52:01,138 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-09 05:52:01,138 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-09 05:52:01,138 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-09-09 05:52:01,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 05:52:01,138 INFO L225 Difference]: With dead ends: 2 [2019-09-09 05:52:01,138 INFO L226 Difference]: Without dead ends: 0 [2019-09-09 05:52:01,138 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-09 05:52:01,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-09 05:52:01,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-09 05:52:01,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-09 05:52:01,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-09 05:52:01,139 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 46 [2019-09-09 05:52:01,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 05:52:01,139 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-09 05:52:01,139 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-09 05:52:01,139 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-09 05:52:01,139 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-09 05:52:01,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.09 05:52:01 BoogieIcfgContainer [2019-09-09 05:52:01,144 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-09 05:52:01,146 INFO L168 Benchmark]: Toolchain (without parser) took 104935.06 ms. Allocated memory was 133.2 MB in the beginning and 1.4 GB in the end (delta: 1.3 GB). Free memory was 77.3 MB in the beginning and 956.7 MB in the end (delta: -879.3 MB). Peak memory consumption was 407.8 MB. Max. memory is 7.1 GB. [2019-09-09 05:52:01,147 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 133.2 MB. Free memory was 106.4 MB in the beginning and 106.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-09 05:52:01,148 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2768.06 ms. Allocated memory was 133.2 MB in the beginning and 267.9 MB in the end (delta: 134.7 MB). Free memory was 77.1 MB in the beginning and 109.0 MB in the end (delta: -31.9 MB). Peak memory consumption was 108.7 MB. Max. memory is 7.1 GB. [2019-09-09 05:52:01,149 INFO L168 Benchmark]: Boogie Preprocessor took 664.90 ms. Allocated memory was 267.9 MB in the beginning and 272.1 MB in the end (delta: 4.2 MB). Free memory was 109.0 MB in the beginning and 163.9 MB in the end (delta: -54.9 MB). Peak memory consumption was 58.3 MB. Max. memory is 7.1 GB. [2019-09-09 05:52:01,150 INFO L168 Benchmark]: RCFGBuilder took 96071.59 ms. Allocated memory was 272.1 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 163.9 MB in the beginning and 360.4 MB in the end (delta: -196.5 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2019-09-09 05:52:01,151 INFO L168 Benchmark]: TraceAbstraction took 5426.09 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 92.3 MB). Free memory was 360.4 MB in the beginning and 956.7 MB in the end (delta: -596.3 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-09 05:52:01,155 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 133.2 MB. Free memory was 106.4 MB in the beginning and 106.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2768.06 ms. Allocated memory was 133.2 MB in the beginning and 267.9 MB in the end (delta: 134.7 MB). Free memory was 77.1 MB in the beginning and 109.0 MB in the end (delta: -31.9 MB). Peak memory consumption was 108.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 664.90 ms. Allocated memory was 267.9 MB in the beginning and 272.1 MB in the end (delta: 4.2 MB). Free memory was 109.0 MB in the beginning and 163.9 MB in the end (delta: -54.9 MB). Peak memory consumption was 58.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 96071.59 ms. Allocated memory was 272.1 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 163.9 MB in the beginning and 360.4 MB in the end (delta: -196.5 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. * TraceAbstraction took 5426.09 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 92.3 MB). Free memory was 360.4 MB in the beginning and 956.7 MB in the end (delta: -596.3 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 2845]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 96 procedures, 1443 locations, 1 error locations. SAFE Result, 5.3s OverallTime, 8 OverallIterations, 1 TraceHistogramMax, 2.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 8336 SDtfs, 4587 SDslu, 4427 SDs, 0 SdLazy, 639 SolverSat, 645 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 72 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1611occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.1s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 4.6 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 8 MinimizatonAttempts, 572 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 302 NumberOfCodeBlocks, 302 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 294 ConstructedInterpolants, 0 QuantifiedInterpolants, 19522 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 7 PerfectInterpolantSequences, 17/18 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...