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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/ntdrivers/kbfiltr.i.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 13:50:31,816 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 13:50:31,819 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 13:50:31,837 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 13:50:31,837 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 13:50:31,839 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 13:50:31,841 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 13:50:31,850 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 13:50:31,854 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 13:50:31,856 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 13:50:31,857 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 13:50:31,858 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 13:50:31,858 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 13:50:31,859 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 13:50:31,859 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 13:50:31,860 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 13:50:31,861 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 13:50:31,862 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 13:50:31,863 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 13:50:31,865 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 13:50:31,866 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 13:50:31,867 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 13:50:31,868 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 13:50:31,869 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 13:50:31,871 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 13:50:31,871 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 13:50:31,871 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 13:50:31,872 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 13:50:31,872 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 13:50:31,873 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 13:50:31,873 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 13:50:31,874 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 13:50:31,875 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 13:50:31,875 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 13:50:31,876 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 13:50:31,877 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 13:50:31,877 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 13:50:31,877 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 13:50:31,878 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 13:50:31,878 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 13:50:31,879 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 13:50:31,880 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-07 13:50:31,908 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 13:50:31,908 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 13:50:31,909 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 13:50:31,910 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 13:50:31,910 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 13:50:31,911 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 13:50:31,911 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 13:50:31,912 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 13:50:31,912 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 13:50:31,912 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 13:50:31,912 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 13:50:31,912 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 13:50:31,913 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 13:50:31,913 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 13:50:31,913 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 13:50:31,914 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 13:50:31,914 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 13:50:31,914 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 13:50:31,915 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 13:50:31,915 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 13:50:31,915 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 13:50:31,915 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 13:50:31,915 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 13:50:31,916 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 13:50:31,916 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 13:50:31,916 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 13:50:31,917 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 13:50:31,917 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 13:50:31,917 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 13:50:32,227 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 13:50:32,244 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 13:50:32,247 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 13:50:32,248 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 13:50:32,248 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 13:50:32,249 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers/kbfiltr.i.cil-2.c [2019-10-07 13:50:32,318 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5c66abe3/be8f7e402e274d1cbd376e4bdbeba02b/FLAGb2e759070 [2019-10-07 13:50:32,956 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 13:50:32,958 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers/kbfiltr.i.cil-2.c [2019-10-07 13:50:32,997 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5c66abe3/be8f7e402e274d1cbd376e4bdbeba02b/FLAGb2e759070 [2019-10-07 13:50:33,172 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5c66abe3/be8f7e402e274d1cbd376e4bdbeba02b [2019-10-07 13:50:33,180 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 13:50:33,181 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 13:50:33,182 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 13:50:33,182 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 13:50:33,185 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 13:50:33,186 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 01:50:33" (1/1) ... [2019-10-07 13:50:33,189 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a3652a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:50:33, skipping insertion in model container [2019-10-07 13:50:33,189 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 01:50:33" (1/1) ... [2019-10-07 13:50:33,195 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 13:50:33,281 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 13:50:34,178 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 13:50:34,194 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 13:50:34,434 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 13:50:34,515 INFO L192 MainTranslator]: Completed translation [2019-10-07 13:50:34,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:50:34 WrapperNode [2019-10-07 13:50:34,516 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 13:50:34,517 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 13:50:34,517 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 13:50:34,517 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 13:50:34,532 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:50:34" (1/1) ... [2019-10-07 13:50:34,532 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:50:34" (1/1) ... [2019-10-07 13:50:34,607 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:50:34" (1/1) ... [2019-10-07 13:50:34,608 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:50:34" (1/1) ... [2019-10-07 13:50:34,738 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:50:34" (1/1) ... [2019-10-07 13:50:34,761 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:50:34" (1/1) ... [2019-10-07 13:50:34,779 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:50:34" (1/1) ... [2019-10-07 13:50:34,849 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 13:50:34,850 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 13:50:34,850 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 13:50:34,850 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 13:50:34,851 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:50:34" (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 [2019-10-07 13:50:34,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 13:50:34,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 13:50:34,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~PVOID~0~X~~PVOID~0~X~$Pointer$~X~$Pointer$~X~~PBOOLEAN~0~TO~~NTSTATUS~0 [2019-10-07 13:50:34,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~PVOID~0~X~~PKEYBOARD_INPUT_DATA~0~X~~POUTPUT_PACKET~0~X~~UCHAR~0~X~~PUCHAR~0~X~~PBOOLEAN~0~X~~PKEYBOARD_SCAN_STATE~0~TO~~BOOLEAN~0 [2019-10-07 13:50:34,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~PVOID~0~X~~PVOID~0~X~~PVOID~0~X~~PVOID~0~TO~VOID [2019-10-07 13:50:34,929 INFO L138 BoogieDeclarations]: Found implementation of procedure InterlockedIncrement [2019-10-07 13:50:34,929 INFO L138 BoogieDeclarations]: Found implementation of procedure InterlockedDecrement [2019-10-07 13:50:34,930 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_IoCtl [2019-10-07 13:50:34,930 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2019-10-07 13:50:34,930 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2019-10-07 13:50:34,930 INFO L138 BoogieDeclarations]: Found implementation of procedure DriverEntry [2019-10-07 13:50:34,930 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_AddDevice [2019-10-07 13:50:34,931 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Complete [2019-10-07 13:50:34,931 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_CreateClose [2019-10-07 13:50:34,931 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_DispatchPassThrough [2019-10-07 13:50:34,931 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_InternIoCtl [2019-10-07 13:50:34,931 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_PnP [2019-10-07 13:50:34,931 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Power [2019-10-07 13:50:34,932 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_InitializationRoutine [2019-10-07 13:50:34,932 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_IsrHook [2019-10-07 13:50:34,932 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_ServiceCallback [2019-10-07 13:50:34,932 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Unload [2019-10-07 13:50:34,933 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2019-10-07 13:50:34,933 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 13:50:34,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ExAcquireFastMutex [2019-10-07 13:50:34,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ExReleaseFastMutex [2019-10-07 13:50:34,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ExAllocatePoolWithTag [2019-10-07 13:50:34,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ExFreePool [2019-10-07 13:50:34,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ExfInterlockedInsertHeadList [2019-10-07 13:50:34,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ExfInterlockedInsertTailList [2019-10-07 13:50:34,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ExfInterlockedRemoveHeadList [2019-10-07 13:50:34,934 INFO L138 BoogieDeclarations]: Found implementation of procedure IoAllocateMdl [2019-10-07 13:50:34,934 INFO L138 BoogieDeclarations]: Found implementation of procedure IoAttachDeviceToDeviceStack [2019-10-07 13:50:34,934 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildAsynchronousFsdRequest [2019-10-07 13:50:34,935 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2019-10-07 13:50:34,935 INFO L138 BoogieDeclarations]: Found implementation of procedure IoCreateDevice [2019-10-07 13:50:34,935 INFO L138 BoogieDeclarations]: Found implementation of procedure IoCreateSymbolicLink [2019-10-07 13:50:34,935 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteDevice [2019-10-07 13:50:34,935 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteSymbolicLink [2019-10-07 13:50:34,936 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDetachDevice [2019-10-07 13:50:34,936 INFO L138 BoogieDeclarations]: Found implementation of procedure IoFreeIrp [2019-10-07 13:50:34,936 INFO L138 BoogieDeclarations]: Found implementation of procedure IoFreeMdl [2019-10-07 13:50:34,936 INFO L138 BoogieDeclarations]: Found implementation of procedure IoGetConfigurationInformation [2019-10-07 13:50:34,936 INFO L138 BoogieDeclarations]: Found implementation of procedure IoQueryDeviceDescription [2019-10-07 13:50:34,936 INFO L138 BoogieDeclarations]: Found implementation of procedure IoRegisterDeviceInterface [2019-10-07 13:50:34,936 INFO L138 BoogieDeclarations]: Found implementation of procedure IoReleaseCancelSpinLock [2019-10-07 13:50:34,937 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2019-10-07 13:50:34,937 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetHardErrorOrVerifyDevice [2019-10-07 13:50:34,937 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2019-10-07 13:50:34,937 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2019-10-07 13:50:34,937 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2019-10-07 13:50:34,937 INFO L138 BoogieDeclarations]: Found implementation of procedure KeAcquireSpinLockRaiseToDpc [2019-10-07 13:50:34,937 INFO L138 BoogieDeclarations]: Found implementation of procedure KeDelayExecutionThread [2019-10-07 13:50:34,938 INFO L138 BoogieDeclarations]: Found implementation of procedure KeInitializeEvent [2019-10-07 13:50:34,938 INFO L138 BoogieDeclarations]: Found implementation of procedure KeInitializeSemaphore [2019-10-07 13:50:34,938 INFO L138 BoogieDeclarations]: Found implementation of procedure KeInitializeSpinLock [2019-10-07 13:50:34,938 INFO L138 BoogieDeclarations]: Found implementation of procedure KeReleaseSemaphore [2019-10-07 13:50:34,938 INFO L138 BoogieDeclarations]: Found implementation of procedure KfReleaseSpinLock [2019-10-07 13:50:34,939 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2019-10-07 13:50:34,939 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2019-10-07 13:50:34,939 INFO L138 BoogieDeclarations]: Found implementation of procedure MmAllocateContiguousMemory [2019-10-07 13:50:34,939 INFO L138 BoogieDeclarations]: Found implementation of procedure MmFreeContiguousMemory [2019-10-07 13:50:34,939 INFO L138 BoogieDeclarations]: Found implementation of procedure MmMapLockedPagesSpecifyCache [2019-10-07 13:50:34,939 INFO L138 BoogieDeclarations]: Found implementation of procedure MmPageEntireDriver [2019-10-07 13:50:34,939 INFO L138 BoogieDeclarations]: Found implementation of procedure MmResetDriverPaging [2019-10-07 13:50:34,940 INFO L138 BoogieDeclarations]: Found implementation of procedure MmUnlockPages [2019-10-07 13:50:34,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ObReferenceObjectByHandle [2019-10-07 13:50:34,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ObfDereferenceObject [2019-10-07 13:50:34,940 INFO L138 BoogieDeclarations]: Found implementation of procedure PoCallDriver [2019-10-07 13:50:34,940 INFO L138 BoogieDeclarations]: Found implementation of procedure PoStartNextPowerIrp [2019-10-07 13:50:34,940 INFO L138 BoogieDeclarations]: Found implementation of procedure PsCreateSystemThread [2019-10-07 13:50:34,941 INFO L138 BoogieDeclarations]: Found implementation of procedure PsTerminateSystemThread [2019-10-07 13:50:34,941 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlAnsiStringToUnicodeString [2019-10-07 13:50:34,941 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlCompareMemory [2019-10-07 13:50:34,941 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlCopyUnicodeString [2019-10-07 13:50:34,941 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlDeleteRegistryValue [2019-10-07 13:50:34,941 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlFreeUnicodeString [2019-10-07 13:50:34,941 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlInitString [2019-10-07 13:50:34,942 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlInitUnicodeString [2019-10-07 13:50:34,942 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlQueryRegistryValues [2019-10-07 13:50:34,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2019-10-07 13:50:34,942 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-07 13:50:34,942 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2019-10-07 13:50:34,943 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 13:50:34,943 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-10-07 13:50:34,943 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 13:50:34,943 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-07 13:50:34,943 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-07 13:50:34,943 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-07 13:50:34,943 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-07 13:50:34,944 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-07 13:50:34,944 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2019-10-07 13:50:34,944 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-07 13:50:34,944 INFO L130 BoogieDeclarations]: Found specification of procedure RtlQueryRegistryValues [2019-10-07 13:50:34,944 INFO L130 BoogieDeclarations]: Found specification of procedure RtlDeleteRegistryValue [2019-10-07 13:50:34,944 INFO L130 BoogieDeclarations]: Found specification of procedure RtlInitString [2019-10-07 13:50:34,944 INFO L130 BoogieDeclarations]: Found specification of procedure RtlInitUnicodeString [2019-10-07 13:50:34,945 INFO L130 BoogieDeclarations]: Found specification of procedure RtlAnsiStringToUnicodeString [2019-10-07 13:50:34,945 INFO L130 BoogieDeclarations]: Found specification of procedure RtlCopyUnicodeString [2019-10-07 13:50:34,945 INFO L130 BoogieDeclarations]: Found specification of procedure RtlFreeUnicodeString [2019-10-07 13:50:34,945 INFO L130 BoogieDeclarations]: Found specification of procedure RtlCompareMemory [2019-10-07 13:50:34,945 INFO L130 BoogieDeclarations]: Found specification of procedure InterlockedIncrement [2019-10-07 13:50:34,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 13:50:34,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 13:50:34,946 INFO L130 BoogieDeclarations]: Found specification of procedure InterlockedDecrement [2019-10-07 13:50:34,946 INFO L130 BoogieDeclarations]: Found specification of procedure KeInitializeEvent [2019-10-07 13:50:34,946 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2019-10-07 13:50:34,946 INFO L130 BoogieDeclarations]: Found specification of procedure KeInitializeSemaphore [2019-10-07 13:50:34,946 INFO L130 BoogieDeclarations]: Found specification of procedure KeReleaseSemaphore [2019-10-07 13:50:34,946 INFO L130 BoogieDeclarations]: Found specification of procedure KeDelayExecutionThread [2019-10-07 13:50:34,946 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2019-10-07 13:50:34,947 INFO L130 BoogieDeclarations]: Found specification of procedure KeInitializeSpinLock [2019-10-07 13:50:34,947 INFO L130 BoogieDeclarations]: Found specification of procedure KfReleaseSpinLock [2019-10-07 13:50:34,947 INFO L130 BoogieDeclarations]: Found specification of procedure ExAllocatePoolWithTag [2019-10-07 13:50:34,947 INFO L130 BoogieDeclarations]: Found specification of procedure ExFreePool [2019-10-07 13:50:34,947 INFO L130 BoogieDeclarations]: Found specification of procedure ExAcquireFastMutex [2019-10-07 13:50:34,947 INFO L130 BoogieDeclarations]: Found specification of procedure ExReleaseFastMutex [2019-10-07 13:50:34,948 INFO L130 BoogieDeclarations]: Found specification of procedure ExfInterlockedInsertHeadList [2019-10-07 13:50:34,948 INFO L130 BoogieDeclarations]: Found specification of procedure ExfInterlockedInsertTailList [2019-10-07 13:50:34,948 INFO L130 BoogieDeclarations]: Found specification of procedure ExfInterlockedRemoveHeadList [2019-10-07 13:50:34,948 INFO L130 BoogieDeclarations]: Found specification of procedure MmUnlockPages [2019-10-07 13:50:34,948 INFO L130 BoogieDeclarations]: Found specification of procedure MmMapLockedPagesSpecifyCache [2019-10-07 13:50:34,948 INFO L130 BoogieDeclarations]: Found specification of procedure MmAllocateContiguousMemory [2019-10-07 13:50:34,948 INFO L130 BoogieDeclarations]: Found specification of procedure MmFreeContiguousMemory [2019-10-07 13:50:34,949 INFO L130 BoogieDeclarations]: Found specification of procedure MmResetDriverPaging [2019-10-07 13:50:34,949 INFO L130 BoogieDeclarations]: Found specification of procedure MmPageEntireDriver [2019-10-07 13:50:34,949 INFO L130 BoogieDeclarations]: Found specification of procedure PsCreateSystemThread [2019-10-07 13:50:34,949 INFO L130 BoogieDeclarations]: Found specification of procedure PsTerminateSystemThread [2019-10-07 13:50:34,949 INFO L130 BoogieDeclarations]: Found specification of procedure IoAllocateMdl [2019-10-07 13:50:34,949 INFO L130 BoogieDeclarations]: Found specification of procedure IoAttachDeviceToDeviceStack [2019-10-07 13:50:34,949 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildAsynchronousFsdRequest [2019-10-07 13:50:34,950 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2019-10-07 13:50:34,950 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2019-10-07 13:50:34,950 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2019-10-07 13:50:34,950 INFO L130 BoogieDeclarations]: Found specification of procedure IoCreateDevice [2019-10-07 13:50:34,950 INFO L130 BoogieDeclarations]: Found specification of procedure IoCreateSymbolicLink [2019-10-07 13:50:34,950 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteDevice [2019-10-07 13:50:34,951 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteSymbolicLink [2019-10-07 13:50:34,951 INFO L130 BoogieDeclarations]: Found specification of procedure IoDetachDevice [2019-10-07 13:50:34,951 INFO L130 BoogieDeclarations]: Found specification of procedure IoFreeIrp [2019-10-07 13:50:34,951 INFO L130 BoogieDeclarations]: Found specification of procedure IoFreeMdl [2019-10-07 13:50:34,951 INFO L130 BoogieDeclarations]: Found specification of procedure IoGetConfigurationInformation [2019-10-07 13:50:34,951 INFO L130 BoogieDeclarations]: Found specification of procedure IoQueryDeviceDescription [2019-10-07 13:50:34,952 INFO L130 BoogieDeclarations]: Found specification of procedure IoReleaseCancelSpinLock [2019-10-07 13:50:34,952 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetHardErrorOrVerifyDevice [2019-10-07 13:50:34,952 INFO L130 BoogieDeclarations]: Found specification of procedure IoRegisterDeviceInterface [2019-10-07 13:50:34,952 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2019-10-07 13:50:34,952 INFO L130 BoogieDeclarations]: Found specification of procedure PoCallDriver [2019-10-07 13:50:34,952 INFO L130 BoogieDeclarations]: Found specification of procedure PoStartNextPowerIrp [2019-10-07 13:50:34,952 INFO L130 BoogieDeclarations]: Found specification of procedure ObReferenceObjectByHandle [2019-10-07 13:50:34,953 INFO L130 BoogieDeclarations]: Found specification of procedure ObfDereferenceObject [2019-10-07 13:50:34,953 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2019-10-07 13:50:34,953 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_AddDevice [2019-10-07 13:50:34,953 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_CreateClose [2019-10-07 13:50:34,953 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_DispatchPassThrough [2019-10-07 13:50:34,953 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_InternIoCtl [2019-10-07 13:50:34,954 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_IoCtl [2019-10-07 13:50:34,954 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_PnP [2019-10-07 13:50:34,954 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Power [2019-10-07 13:50:34,954 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_InitializationRoutine [2019-10-07 13:50:34,954 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_IsrHook [2019-10-07 13:50:34,954 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_ServiceCallback [2019-10-07 13:50:34,954 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Unload [2019-10-07 13:50:34,955 INFO L130 BoogieDeclarations]: Found specification of procedure DriverEntry [2019-10-07 13:50:34,955 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 13:50:34,955 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2019-10-07 13:50:34,955 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2019-10-07 13:50:34,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 13:50:34,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 13:50:34,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 13:50:34,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 13:50:34,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-07 13:50:34,956 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Complete [2019-10-07 13:50:34,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2019-10-07 13:50:34,956 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~PVOID~0~X~~PVOID~0~X~$Pointer$~X~$Pointer$~X~~PBOOLEAN~0~TO~~NTSTATUS~0 [2019-10-07 13:50:34,956 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~PVOID~0~X~~PKEYBOARD_INPUT_DATA~0~X~~POUTPUT_PACKET~0~X~~UCHAR~0~X~~PUCHAR~0~X~~PBOOLEAN~0~X~~PKEYBOARD_SCAN_STATE~0~TO~~BOOLEAN~0 [2019-10-07 13:50:34,956 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~PVOID~0~X~~PVOID~0~X~~PVOID~0~X~~PVOID~0~TO~VOID [2019-10-07 13:50:34,956 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2019-10-07 13:50:34,957 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-10-07 13:50:34,957 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 13:50:34,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 13:50:34,957 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2019-10-07 13:50:34,957 INFO L130 BoogieDeclarations]: Found specification of procedure KeAcquireSpinLockRaiseToDpc [2019-10-07 13:50:34,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 13:50:34,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 13:50:34,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-07 13:50:34,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-07 13:50:34,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-07 13:50:34,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-07 13:50:35,674 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-07 13:50:35,740 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-07 13:50:35,741 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-07 13:50:35,741 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-07 13:50:35,754 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-07 13:50:35,755 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-07 13:50:35,780 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-07 13:50:35,791 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-07 13:50:35,792 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-07 13:50:35,792 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-07 13:50:35,811 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-07 13:50:35,812 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-07 13:50:35,818 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-07 13:50:35,831 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-07 13:50:35,831 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-07 13:50:35,977 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-07 13:50:35,997 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-07 13:50:35,997 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-07 13:50:35,998 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-07 13:50:36,022 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-07 13:50:36,022 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-07 13:50:36,022 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-07 13:50:36,072 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-07 13:50:36,073 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-07 13:50:36,107 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-07 13:50:36,119 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-07 13:50:36,119 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-07 13:50:36,120 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-07 13:50:36,130 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-07 13:50:36,130 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-07 13:50:36,130 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-07 13:50:36,142 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-07 13:50:36,142 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-07 13:50:36,204 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-07 13:50:36,215 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-07 13:50:36,215 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-07 13:50:36,215 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-07 13:50:36,232 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-07 13:50:36,233 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-07 13:50:36,252 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-07 13:50:44,104 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume false; [2019-10-07 13:50:44,105 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##44: assume !false; [2019-10-07 13:50:44,129 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-07 13:50:44,175 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-10-07 13:50:44,175 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-10-07 13:50:44,199 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-07 13:50:44,217 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-07 13:50:44,217 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-07 13:50:44,226 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-07 13:50:45,502 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2019-10-07 13:50:45,502 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2019-10-07 13:50:57,048 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-07 13:50:57,060 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-07 13:50:57,060 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-07 13:50:57,142 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-07 13:50:57,153 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-07 13:50:57,153 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-07 13:50:57,185 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-07 13:50:57,230 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-10-07 13:50:57,230 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-10-07 13:50:57,245 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-07 13:50:57,263 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2019-10-07 13:50:57,263 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2019-10-07 13:50:57,334 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-07 13:50:57,342 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-07 13:50:57,343 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-07 13:50:57,346 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-07 13:51:02,581 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2019-10-07 13:51:02,582 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2019-10-07 13:51:02,596 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-07 13:51:02,604 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-07 13:51:02,605 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-07 13:51:52,465 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 13:51:52,466 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-07 13:51:52,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 01:51:52 BoogieIcfgContainer [2019-10-07 13:51:52,470 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 13:51:52,471 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 13:51:52,472 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 13:51:52,477 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 13:51:52,477 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 01:50:33" (1/3) ... [2019-10-07 13:51:52,478 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@453a5469 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 01:51:52, skipping insertion in model container [2019-10-07 13:51:52,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:50:34" (2/3) ... [2019-10-07 13:51:52,479 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@453a5469 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 01:51:52, skipping insertion in model container [2019-10-07 13:51:52,479 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 01:51:52" (3/3) ... [2019-10-07 13:51:52,480 INFO L109 eAbstractionObserver]: Analyzing ICFG kbfiltr.i.cil-2.c [2019-10-07 13:51:52,492 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 13:51:52,504 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 13:51:52,516 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 13:51:52,554 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 13:51:52,555 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 13:51:52,555 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 13:51:52,555 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 13:51:52,555 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 13:51:52,555 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 13:51:52,555 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 13:51:52,555 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 13:51:52,577 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states. [2019-10-07 13:51:52,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-07 13:51:52,584 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 13:51:52,585 INFO L385 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] [2019-10-07 13:51:52,587 INFO L410 AbstractCegarLoop]: === Iteration 1 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 13:51:52,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 13:51:52,593 INFO L82 PathProgramCache]: Analyzing trace with hash -128707085, now seen corresponding path program 1 times [2019-10-07 13:51:52,601 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 13:51:52,602 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:51:52,602 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:51:52,602 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:51:52,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 13:51:52,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:51:53,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 13:51:53,167 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:51:53,167 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 13:51:53,167 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 13:51:53,171 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 13:51:53,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 13:51:53,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 13:51:53,188 INFO L87 Difference]: Start difference. First operand 219 states. Second operand 5 states. [2019-10-07 13:51:54,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 13:51:54,083 INFO L93 Difference]: Finished difference Result 344 states and 494 transitions. [2019-10-07 13:51:54,083 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 13:51:54,085 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2019-10-07 13:51:54,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 13:51:54,102 INFO L225 Difference]: With dead ends: 344 [2019-10-07 13:51:54,102 INFO L226 Difference]: Without dead ends: 213 [2019-10-07 13:51:54,112 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 13:51:54,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2019-10-07 13:51:54,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 213. [2019-10-07 13:51:54,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 213 states. [2019-10-07 13:51:54,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 275 transitions. [2019-10-07 13:51:54,203 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 275 transitions. Word has length 22 [2019-10-07 13:51:54,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 13:51:54,204 INFO L462 AbstractCegarLoop]: Abstraction has 213 states and 275 transitions. [2019-10-07 13:51:54,204 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 13:51:54,204 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 275 transitions. [2019-10-07 13:51:54,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-10-07 13:51:54,206 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 13:51:54,206 INFO L385 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] [2019-10-07 13:51:54,207 INFO L410 AbstractCegarLoop]: === Iteration 2 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 13:51:54,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 13:51:54,207 INFO L82 PathProgramCache]: Analyzing trace with hash 1104575904, now seen corresponding path program 1 times [2019-10-07 13:51:54,207 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 13:51:54,207 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:51:54,208 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:51:54,208 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:51:54,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 13:51:54,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:51:54,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 13:51:54,451 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:51:54,451 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 13:51:54,451 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 13:51:54,453 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 13:51:54,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 13:51:54,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 13:51:54,454 INFO L87 Difference]: Start difference. First operand 213 states and 275 transitions. Second operand 3 states. [2019-10-07 13:51:54,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 13:51:54,621 INFO L93 Difference]: Finished difference Result 299 states and 384 transitions. [2019-10-07 13:51:54,621 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 13:51:54,621 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2019-10-07 13:51:54,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 13:51:54,625 INFO L225 Difference]: With dead ends: 299 [2019-10-07 13:51:54,625 INFO L226 Difference]: Without dead ends: 246 [2019-10-07 13:51:54,626 INFO L606 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 [2019-10-07 13:51:54,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2019-10-07 13:51:54,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 231. [2019-10-07 13:51:54,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2019-10-07 13:51:54,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 291 transitions. [2019-10-07 13:51:54,672 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 291 transitions. Word has length 37 [2019-10-07 13:51:54,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 13:51:54,672 INFO L462 AbstractCegarLoop]: Abstraction has 231 states and 291 transitions. [2019-10-07 13:51:54,672 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 13:51:54,672 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 291 transitions. [2019-10-07 13:51:54,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-10-07 13:51:54,675 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 13:51:54,675 INFO L385 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] [2019-10-07 13:51:54,675 INFO L410 AbstractCegarLoop]: === Iteration 3 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 13:51:54,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 13:51:54,676 INFO L82 PathProgramCache]: Analyzing trace with hash -351248797, now seen corresponding path program 1 times [2019-10-07 13:51:54,676 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 13:51:54,676 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:51:54,676 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:51:54,676 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:51:54,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 13:51:54,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:51:54,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 13:51:54,927 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:51:54,927 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 13:51:54,927 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 13:51:54,928 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 13:51:54,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 13:51:54,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 13:51:54,929 INFO L87 Difference]: Start difference. First operand 231 states and 291 transitions. Second operand 3 states. [2019-10-07 13:51:54,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 13:51:54,964 INFO L93 Difference]: Finished difference Result 340 states and 428 transitions. [2019-10-07 13:51:54,965 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 13:51:54,966 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2019-10-07 13:51:54,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 13:51:54,971 INFO L225 Difference]: With dead ends: 340 [2019-10-07 13:51:54,971 INFO L226 Difference]: Without dead ends: 270 [2019-10-07 13:51:54,973 INFO L606 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 [2019-10-07 13:51:54,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2019-10-07 13:51:55,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 246. [2019-10-07 13:51:55,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 246 states. [2019-10-07 13:51:55,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 307 transitions. [2019-10-07 13:51:55,013 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 307 transitions. Word has length 44 [2019-10-07 13:51:55,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 13:51:55,014 INFO L462 AbstractCegarLoop]: Abstraction has 246 states and 307 transitions. [2019-10-07 13:51:55,014 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 13:51:55,015 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 307 transitions. [2019-10-07 13:51:55,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-10-07 13:51:55,022 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 13:51:55,022 INFO L385 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] [2019-10-07 13:51:55,023 INFO L410 AbstractCegarLoop]: === Iteration 4 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 13:51:55,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 13:51:55,023 INFO L82 PathProgramCache]: Analyzing trace with hash 758022808, now seen corresponding path program 1 times [2019-10-07 13:51:55,024 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 13:51:55,024 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:51:55,024 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:51:55,026 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:51:55,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 13:51:55,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:51:55,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 13:51:55,375 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:51:55,376 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 13:51:55,376 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 13:51:55,376 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 13:51:55,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 13:51:55,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 13:51:55,377 INFO L87 Difference]: Start difference. First operand 246 states and 307 transitions. Second operand 5 states. [2019-10-07 13:51:57,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 13:51:57,902 INFO L93 Difference]: Finished difference Result 461 states and 582 transitions. [2019-10-07 13:51:57,903 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 13:51:57,903 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 45 [2019-10-07 13:51:57,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 13:51:57,906 INFO L225 Difference]: With dead ends: 461 [2019-10-07 13:51:57,906 INFO L226 Difference]: Without dead ends: 246 [2019-10-07 13:51:57,911 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 13:51:57,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2019-10-07 13:51:57,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 246. [2019-10-07 13:51:57,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 246 states. [2019-10-07 13:51:57,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 306 transitions. [2019-10-07 13:51:57,930 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 306 transitions. Word has length 45 [2019-10-07 13:51:57,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 13:51:57,932 INFO L462 AbstractCegarLoop]: Abstraction has 246 states and 306 transitions. [2019-10-07 13:51:57,932 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 13:51:57,932 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 306 transitions. [2019-10-07 13:51:57,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-10-07 13:51:57,936 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 13:51:57,936 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 13:51:57,936 INFO L410 AbstractCegarLoop]: === Iteration 5 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 13:51:57,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 13:51:57,936 INFO L82 PathProgramCache]: Analyzing trace with hash -1291321065, now seen corresponding path program 1 times [2019-10-07 13:51:57,937 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 13:51:57,937 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:51:57,937 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:51:57,937 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:51:57,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 13:51:58,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:51:58,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 13:51:58,830 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:51:58,830 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 13:51:58,830 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-07 13:51:58,830 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-07 13:51:58,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-07 13:51:58,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-07 13:51:58,831 INFO L87 Difference]: Start difference. First operand 246 states and 306 transitions. Second operand 4 states. [2019-10-07 13:51:58,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 13:51:58,879 INFO L93 Difference]: Finished difference Result 470 states and 590 transitions. [2019-10-07 13:51:58,880 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-07 13:51:58,880 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 54 [2019-10-07 13:51:58,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 13:51:58,884 INFO L225 Difference]: With dead ends: 470 [2019-10-07 13:51:58,884 INFO L226 Difference]: Without dead ends: 247 [2019-10-07 13:51:58,886 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-07 13:51:58,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2019-10-07 13:51:58,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 247. [2019-10-07 13:51:58,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 247 states. [2019-10-07 13:51:58,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 307 transitions. [2019-10-07 13:51:58,910 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 307 transitions. Word has length 54 [2019-10-07 13:51:58,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 13:51:58,911 INFO L462 AbstractCegarLoop]: Abstraction has 247 states and 307 transitions. [2019-10-07 13:51:58,911 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-07 13:51:58,912 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 307 transitions. [2019-10-07 13:51:58,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-10-07 13:51:58,914 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 13:51:58,914 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 13:51:58,914 INFO L410 AbstractCegarLoop]: === Iteration 6 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 13:51:58,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 13:51:58,914 INFO L82 PathProgramCache]: Analyzing trace with hash 860974331, now seen corresponding path program 1 times [2019-10-07 13:51:58,915 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 13:51:58,915 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:51:58,915 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:51:58,915 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:51:58,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 13:51:59,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:51:59,623 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 13:51:59,623 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:51:59,624 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 13:51:59,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 13:52:00,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:52:00,245 INFO L256 TraceCheckSpWp]: Trace formula consists of 1035 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-07 13:52:00,255 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 13:52:00,318 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 13:52:00,318 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 13:52:00,469 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 13:52:00,470 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 13:52:00,504 INFO L162 IcfgInterpreter]: Started Sifa with 55 locations of interest [2019-10-07 13:52:00,504 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 13:52:00,514 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 13:52:00,523 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 13:52:00,524 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 13:52:00,999 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 70 for LOIs [2019-10-07 13:52:01,051 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 125 for LOIs [2019-10-07 13:54:08,027 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 13:54:08,029 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.generateProof(TraceAbstractionRefinementEngine.java:177) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:133) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.MultiDimensionalNestedStore.getInnermost(MultiDimensionalNestedStore.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis$ArrOccFinder$MyWalker.walk(ArrayOccurrenceAnalysis.java:277) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive$TermWalker.walk(NonRecursive.java:139) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis$ArrOccFinder$MyWalker.walk(ArrayOccurrenceAnalysis.java:195) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis$ArrOccFinder.(ArrayOccurrenceAnalysis.java:181) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis.(ArrayOccurrenceAnalysis.java:83) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis.downgradeDimensionsIfNecessary(ArrayOccurrenceAnalysis.java:171) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayIndexBasedCostEstimation.computeCostEstimation(ArrayIndexBasedCostEstimation.java:132) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayIndexBasedCostEstimation.(ArrayIndexBasedCostEstimation.java:64) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.computeCostEstimation(ElimStorePlain.java:519) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:390) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:216) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:306) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.quantifier(PartialQuantifierElimination.java:146) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.newQuantifier(SymbolicTools.java:275) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.projectExistentially(SymbolicTools.java:263) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectExistentially(TermDomainOperationProvider.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateTransformer.strongestPostcondition(PredicateTransformer.java:131) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.post(SymbolicTools.java:116) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretInternal(DagInterpreter.java:237) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:216) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:139) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:287) ... 21 more [2019-10-07 13:54:08,036 INFO L168 Benchmark]: Toolchain (without parser) took 214854.22 ms. Allocated memory was 137.9 MB in the beginning and 1.0 GB in the end (delta: 878.2 MB). Free memory was 98.9 MB in the beginning and 287.6 MB in the end (delta: -188.7 MB). Peak memory consumption was 689.5 MB. Max. memory is 7.1 GB. [2019-10-07 13:54:08,037 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 137.9 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-07 13:54:08,038 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1334.56 ms. Allocated memory was 137.9 MB in the beginning and 204.5 MB in the end (delta: 66.6 MB). Free memory was 98.7 MB in the beginning and 113.6 MB in the end (delta: -14.9 MB). Peak memory consumption was 56.9 MB. Max. memory is 7.1 GB. [2019-10-07 13:54:08,038 INFO L168 Benchmark]: Boogie Preprocessor took 332.90 ms. Allocated memory was 204.5 MB in the beginning and 235.9 MB in the end (delta: 31.5 MB). Free memory was 113.6 MB in the beginning and 195.2 MB in the end (delta: -81.6 MB). Peak memory consumption was 42.4 MB. Max. memory is 7.1 GB. [2019-10-07 13:54:08,039 INFO L168 Benchmark]: RCFGBuilder took 77620.54 ms. Allocated memory was 235.9 MB in the beginning and 871.4 MB in the end (delta: 635.4 MB). Free memory was 195.2 MB in the beginning and 391.3 MB in the end (delta: -196.1 MB). Peak memory consumption was 769.8 MB. Max. memory is 7.1 GB. [2019-10-07 13:54:08,040 INFO L168 Benchmark]: TraceAbstraction took 135562.29 ms. Allocated memory was 871.4 MB in the beginning and 1.0 GB in the end (delta: 144.7 MB). Free memory was 391.3 MB in the beginning and 287.6 MB in the end (delta: 103.8 MB). Peak memory consumption was 248.5 MB. Max. memory is 7.1 GB. [2019-10-07 13:54:08,044 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 137.9 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1334.56 ms. Allocated memory was 137.9 MB in the beginning and 204.5 MB in the end (delta: 66.6 MB). Free memory was 98.7 MB in the beginning and 113.6 MB in the end (delta: -14.9 MB). Peak memory consumption was 56.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 332.90 ms. Allocated memory was 204.5 MB in the beginning and 235.9 MB in the end (delta: 31.5 MB). Free memory was 113.6 MB in the beginning and 195.2 MB in the end (delta: -81.6 MB). Peak memory consumption was 42.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 77620.54 ms. Allocated memory was 235.9 MB in the beginning and 871.4 MB in the end (delta: 635.4 MB). Free memory was 195.2 MB in the beginning and 391.3 MB in the end (delta: -196.1 MB). Peak memory consumption was 769.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 135562.29 ms. Allocated memory was 871.4 MB in the beginning and 1.0 GB in the end (delta: 144.7 MB). Free memory was 391.3 MB in the beginning and 287.6 MB in the end (delta: 103.8 MB). Peak memory consumption was 248.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: java.lang.NullPointerException de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: java.lang.NullPointerException: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...