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 0.1.24-673a906-m [2019-10-03 02:38:11,995 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 02:38:11,998 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 02:38:12,016 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 02:38:12,016 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 02:38:12,017 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 02:38:12,019 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 02:38:12,021 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 02:38:12,022 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 02:38:12,023 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 02:38:12,024 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 02:38:12,025 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 02:38:12,026 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 02:38:12,027 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 02:38:12,028 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 02:38:12,029 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 02:38:12,030 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 02:38:12,031 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 02:38:12,032 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 02:38:12,035 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 02:38:12,037 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 02:38:12,042 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 02:38:12,043 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 02:38:12,044 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 02:38:12,049 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 02:38:12,049 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 02:38:12,049 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 02:38:12,052 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 02:38:12,053 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 02:38:12,055 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 02:38:12,056 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 02:38:12,057 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 02:38:12,057 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 02:38:12,059 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 02:38:12,061 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 02:38:12,061 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 02:38:12,062 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 02:38:12,062 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 02:38:12,062 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 02:38:12,063 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 02:38:12,066 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 02:38:12,067 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 [2019-10-03 02:38:12,093 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 02:38:12,093 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 02:38:12,094 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 02:38:12,094 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 02:38:12,095 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 02:38:12,095 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 02:38:12,095 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 02:38:12,095 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 02:38:12,095 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 02:38:12,096 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 02:38:12,098 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 02:38:12,099 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 02:38:12,099 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 02:38:12,099 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 02:38:12,099 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 02:38:12,100 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 02:38:12,100 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 02:38:12,100 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 02:38:12,100 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 02:38:12,101 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 02:38:12,101 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 02:38:12,101 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 02:38:12,101 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 02:38:12,102 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 02:38:12,102 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 02:38:12,102 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 02:38:12,102 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 02:38:12,102 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 02:38:12,103 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 02:38:12,103 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 02:38:12,167 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 02:38:12,179 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 02:38:12,183 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 02:38:12,184 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 02:38:12,185 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 02:38:12,185 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers/cdaudio.i.cil-1.c [2019-10-03 02:38:12,242 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93f976c1f/5b7a258bd0eb4d63a2951d9c2a3fbfad/FLAG1b993e187 [2019-10-03 02:38:13,089 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 02:38:13,090 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers/cdaudio.i.cil-1.c [2019-10-03 02:38:13,144 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93f976c1f/5b7a258bd0eb4d63a2951d9c2a3fbfad/FLAG1b993e187 [2019-10-03 02:38:13,618 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93f976c1f/5b7a258bd0eb4d63a2951d9c2a3fbfad [2019-10-03 02:38:13,628 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 02:38:13,629 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 02:38:13,630 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 02:38:13,630 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 02:38:13,634 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 02:38:13,635 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:38:13" (1/1) ... [2019-10-03 02:38:13,638 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d3a2f42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:38:13, skipping insertion in model container [2019-10-03 02:38:13,638 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:38:13" (1/1) ... [2019-10-03 02:38:13,645 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 02:38:13,802 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 02:38:15,673 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:38:15,695 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 02:38:16,327 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:38:16,430 INFO L192 MainTranslator]: Completed translation [2019-10-03 02:38:16,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:38:16 WrapperNode [2019-10-03 02:38:16,431 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 02:38:16,432 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 02:38:16,432 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 02:38:16,433 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 02:38:16,447 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:38:16" (1/1) ... [2019-10-03 02:38:16,448 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:38:16" (1/1) ... [2019-10-03 02:38:16,536 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:38:16" (1/1) ... [2019-10-03 02:38:16,536 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:38:16" (1/1) ... [2019-10-03 02:38:16,918 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:38:16" (1/1) ... [2019-10-03 02:38:16,955 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:38:16" (1/1) ... [2019-10-03 02:38:16,995 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:38:16" (1/1) ... [2019-10-03 02:38:17,028 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 02:38:17,029 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 02:38:17,029 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 02:38:17,029 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 02:38:17,030 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:38:16" (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 [2019-10-03 02:38:17,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 02:38:17,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 02:38:17,108 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlWriteRegistryValue [2019-10-03 02:38:17,108 INFO L138 BoogieDeclarations]: Found implementation of procedure InterlockedIncrement [2019-10-03 02:38:17,108 INFO L138 BoogieDeclarations]: Found implementation of procedure InterlockedDecrement [2019-10-03 02:38:17,108 INFO L138 BoogieDeclarations]: Found implementation of procedure MmLockPagableDataSection [2019-10-03 02:38:17,109 INFO L138 BoogieDeclarations]: Found implementation of procedure IoOpenDeviceRegistryKey [2019-10-03 02:38:17,109 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2019-10-03 02:38:17,109 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2019-10-03 02:38:17,109 INFO L138 BoogieDeclarations]: Found implementation of procedure SendSrbSynchronous [2019-10-03 02:38:17,110 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioAddDevice [2019-10-03 02:38:17,112 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioSignalCompletion [2019-10-03 02:38:17,112 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioStartDevice [2019-10-03 02:38:17,113 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioPnp [2019-10-03 02:38:17,113 INFO L138 BoogieDeclarations]: Found implementation of procedure DriverEntry [2019-10-03 02:38:17,114 INFO L138 BoogieDeclarations]: Found implementation of procedure NecSupportNeeded [2019-10-03 02:38:17,114 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioReadWrite [2019-10-03 02:38:17,114 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioDeviceControl [2019-10-03 02:38:17,115 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioSendToNextDriver [2019-10-03 02:38:17,115 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioIsPlayActive [2019-10-03 02:38:17,115 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioNECDeviceControl [2019-10-03 02:38:17,115 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioPioneerDeviceControl [2019-10-03 02:38:17,116 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioDenonDeviceControl [2019-10-03 02:38:17,116 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioHitachiSendPauseCommand [2019-10-03 02:38:17,117 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioHitachiDeviceControl [2019-10-03 02:38:17,117 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudio535DeviceControl [2019-10-03 02:38:17,117 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudio435DeviceControl [2019-10-03 02:38:17,117 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioAtapiDeviceControl [2019-10-03 02:38:17,117 INFO L138 BoogieDeclarations]: Found implementation of procedure HpCdrProcessLastSession [2019-10-03 02:38:17,117 INFO L138 BoogieDeclarations]: Found implementation of procedure HPCdrCompletion [2019-10-03 02:38:17,118 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioHPCdrDeviceControl [2019-10-03 02:38:17,118 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioForwardIrpSynchronous [2019-10-03 02:38:17,118 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioUnload [2019-10-03 02:38:17,118 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioPower [2019-10-03 02:38:17,118 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2019-10-03 02:38:17,118 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 02:38:17,118 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_malloc [2019-10-03 02:38:17,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ExAcquireFastMutex [2019-10-03 02:38:17,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ExReleaseFastMutex [2019-10-03 02:38:17,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ExAllocatePoolWithTag [2019-10-03 02:38:17,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ExFreePool [2019-10-03 02:38:17,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ExfInterlockedInsertHeadList [2019-10-03 02:38:17,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ExfInterlockedInsertTailList [2019-10-03 02:38:17,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ExfInterlockedRemoveHeadList [2019-10-03 02:38:17,120 INFO L138 BoogieDeclarations]: Found implementation of procedure IoAllocateMdl [2019-10-03 02:38:17,120 INFO L138 BoogieDeclarations]: Found implementation of procedure IoAttachDeviceToDeviceStack [2019-10-03 02:38:17,120 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildAsynchronousFsdRequest [2019-10-03 02:38:17,120 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2019-10-03 02:38:17,120 INFO L138 BoogieDeclarations]: Found implementation of procedure IoCreateDevice [2019-10-03 02:38:17,120 INFO L138 BoogieDeclarations]: Found implementation of procedure IoCreateSymbolicLink [2019-10-03 02:38:17,120 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteDevice [2019-10-03 02:38:17,121 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteSymbolicLink [2019-10-03 02:38:17,121 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDetachDevice [2019-10-03 02:38:17,121 INFO L138 BoogieDeclarations]: Found implementation of procedure IoFreeIrp [2019-10-03 02:38:17,121 INFO L138 BoogieDeclarations]: Found implementation of procedure IoFreeMdl [2019-10-03 02:38:17,122 INFO L138 BoogieDeclarations]: Found implementation of procedure IoGetConfigurationInformation [2019-10-03 02:38:17,122 INFO L138 BoogieDeclarations]: Found implementation of procedure IoQueryDeviceDescription [2019-10-03 02:38:17,122 INFO L138 BoogieDeclarations]: Found implementation of procedure IoRegisterDeviceInterface [2019-10-03 02:38:17,122 INFO L138 BoogieDeclarations]: Found implementation of procedure IoReleaseCancelSpinLock [2019-10-03 02:38:17,122 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2019-10-03 02:38:17,123 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetHardErrorOrVerifyDevice [2019-10-03 02:38:17,123 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2019-10-03 02:38:17,123 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2019-10-03 02:38:17,123 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2019-10-03 02:38:17,123 INFO L138 BoogieDeclarations]: Found implementation of procedure KeAcquireSpinLockRaiseToDpc [2019-10-03 02:38:17,124 INFO L138 BoogieDeclarations]: Found implementation of procedure KeDelayExecutionThread [2019-10-03 02:38:17,124 INFO L138 BoogieDeclarations]: Found implementation of procedure KeInitializeEvent [2019-10-03 02:38:17,124 INFO L138 BoogieDeclarations]: Found implementation of procedure KeInitializeSemaphore [2019-10-03 02:38:17,124 INFO L138 BoogieDeclarations]: Found implementation of procedure KeInitializeSpinLock [2019-10-03 02:38:17,124 INFO L138 BoogieDeclarations]: Found implementation of procedure KeReleaseSemaphore [2019-10-03 02:38:17,124 INFO L138 BoogieDeclarations]: Found implementation of procedure KfReleaseSpinLock [2019-10-03 02:38:17,124 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2019-10-03 02:38:17,125 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2019-10-03 02:38:17,125 INFO L138 BoogieDeclarations]: Found implementation of procedure MmAllocateContiguousMemory [2019-10-03 02:38:17,126 INFO L138 BoogieDeclarations]: Found implementation of procedure MmFreeContiguousMemory [2019-10-03 02:38:17,126 INFO L138 BoogieDeclarations]: Found implementation of procedure MmMapLockedPagesSpecifyCache [2019-10-03 02:38:17,126 INFO L138 BoogieDeclarations]: Found implementation of procedure MmPageEntireDriver [2019-10-03 02:38:17,126 INFO L138 BoogieDeclarations]: Found implementation of procedure MmResetDriverPaging [2019-10-03 02:38:17,126 INFO L138 BoogieDeclarations]: Found implementation of procedure MmUnlockPages [2019-10-03 02:38:17,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ObReferenceObjectByHandle [2019-10-03 02:38:17,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ObfDereferenceObject [2019-10-03 02:38:17,128 INFO L138 BoogieDeclarations]: Found implementation of procedure PoCallDriver [2019-10-03 02:38:17,128 INFO L138 BoogieDeclarations]: Found implementation of procedure PoStartNextPowerIrp [2019-10-03 02:38:17,128 INFO L138 BoogieDeclarations]: Found implementation of procedure PsCreateSystemThread [2019-10-03 02:38:17,128 INFO L138 BoogieDeclarations]: Found implementation of procedure PsTerminateSystemThread [2019-10-03 02:38:17,129 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlAnsiStringToUnicodeString [2019-10-03 02:38:17,130 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlCompareMemory [2019-10-03 02:38:17,130 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlCopyUnicodeString [2019-10-03 02:38:17,130 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlDeleteRegistryValue [2019-10-03 02:38:17,130 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlFreeUnicodeString [2019-10-03 02:38:17,130 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlInitString [2019-10-03 02:38:17,131 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlInitUnicodeString [2019-10-03 02:38:17,131 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlQueryRegistryValues [2019-10-03 02:38:17,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2019-10-03 02:38:17,131 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-03 02:38:17,131 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-03 02:38:17,131 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 02:38:17,132 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-10-03 02:38:17,132 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 02:38:17,132 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-03 02:38:17,132 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-03 02:38:17,132 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-03 02:38:17,132 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-03 02:38:17,132 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2019-10-03 02:38:17,133 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-03 02:38:17,133 INFO L130 BoogieDeclarations]: Found specification of procedure RtlQueryRegistryValues [2019-10-03 02:38:17,133 INFO L130 BoogieDeclarations]: Found specification of procedure RtlWriteRegistryValue [2019-10-03 02:38:17,133 INFO L130 BoogieDeclarations]: Found specification of procedure RtlDeleteRegistryValue [2019-10-03 02:38:17,133 INFO L130 BoogieDeclarations]: Found specification of procedure RtlInitString [2019-10-03 02:38:17,133 INFO L130 BoogieDeclarations]: Found specification of procedure RtlInitUnicodeString [2019-10-03 02:38:17,133 INFO L130 BoogieDeclarations]: Found specification of procedure RtlAnsiStringToUnicodeString [2019-10-03 02:38:17,134 INFO L130 BoogieDeclarations]: Found specification of procedure RtlCopyUnicodeString [2019-10-03 02:38:17,134 INFO L130 BoogieDeclarations]: Found specification of procedure RtlFreeUnicodeString [2019-10-03 02:38:17,134 INFO L130 BoogieDeclarations]: Found specification of procedure RtlCompareMemory [2019-10-03 02:38:17,135 INFO L130 BoogieDeclarations]: Found specification of procedure InterlockedIncrement [2019-10-03 02:38:17,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 02:38:17,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 02:38:17,136 INFO L130 BoogieDeclarations]: Found specification of procedure InterlockedDecrement [2019-10-03 02:38:17,136 INFO L130 BoogieDeclarations]: Found specification of procedure KeInitializeEvent [2019-10-03 02:38:17,136 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2019-10-03 02:38:17,136 INFO L130 BoogieDeclarations]: Found specification of procedure KeInitializeSemaphore [2019-10-03 02:38:17,136 INFO L130 BoogieDeclarations]: Found specification of procedure KeReleaseSemaphore [2019-10-03 02:38:17,137 INFO L130 BoogieDeclarations]: Found specification of procedure KeDelayExecutionThread [2019-10-03 02:38:17,137 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2019-10-03 02:38:17,138 INFO L130 BoogieDeclarations]: Found specification of procedure KeInitializeSpinLock [2019-10-03 02:38:17,138 INFO L130 BoogieDeclarations]: Found specification of procedure KfReleaseSpinLock [2019-10-03 02:38:17,138 INFO L130 BoogieDeclarations]: Found specification of procedure ExAllocatePoolWithTag [2019-10-03 02:38:17,139 INFO L130 BoogieDeclarations]: Found specification of procedure ExFreePool [2019-10-03 02:38:17,139 INFO L130 BoogieDeclarations]: Found specification of procedure ExAcquireFastMutex [2019-10-03 02:38:17,139 INFO L130 BoogieDeclarations]: Found specification of procedure ExReleaseFastMutex [2019-10-03 02:38:17,139 INFO L130 BoogieDeclarations]: Found specification of procedure ExfInterlockedInsertHeadList [2019-10-03 02:38:17,140 INFO L130 BoogieDeclarations]: Found specification of procedure ExfInterlockedInsertTailList [2019-10-03 02:38:17,140 INFO L130 BoogieDeclarations]: Found specification of procedure ExfInterlockedRemoveHeadList [2019-10-03 02:38:17,140 INFO L130 BoogieDeclarations]: Found specification of procedure MmUnlockPages [2019-10-03 02:38:17,140 INFO L130 BoogieDeclarations]: Found specification of procedure MmMapLockedPagesSpecifyCache [2019-10-03 02:38:17,140 INFO L130 BoogieDeclarations]: Found specification of procedure MmAllocateContiguousMemory [2019-10-03 02:38:17,140 INFO L130 BoogieDeclarations]: Found specification of procedure MmFreeContiguousMemory [2019-10-03 02:38:17,141 INFO L130 BoogieDeclarations]: Found specification of procedure MmLockPagableDataSection [2019-10-03 02:38:17,141 INFO L130 BoogieDeclarations]: Found specification of procedure MmResetDriverPaging [2019-10-03 02:38:17,145 INFO L130 BoogieDeclarations]: Found specification of procedure MmPageEntireDriver [2019-10-03 02:38:17,145 INFO L130 BoogieDeclarations]: Found specification of procedure PsCreateSystemThread [2019-10-03 02:38:17,146 INFO L130 BoogieDeclarations]: Found specification of procedure PsTerminateSystemThread [2019-10-03 02:38:17,146 INFO L130 BoogieDeclarations]: Found specification of procedure IoAllocateMdl [2019-10-03 02:38:17,152 INFO L130 BoogieDeclarations]: Found specification of procedure IoAttachDeviceToDeviceStack [2019-10-03 02:38:17,152 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildAsynchronousFsdRequest [2019-10-03 02:38:17,152 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2019-10-03 02:38:17,152 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2019-10-03 02:38:17,152 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2019-10-03 02:38:17,152 INFO L130 BoogieDeclarations]: Found specification of procedure IoCreateDevice [2019-10-03 02:38:17,153 INFO L130 BoogieDeclarations]: Found specification of procedure IoCreateSymbolicLink [2019-10-03 02:38:17,153 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteDevice [2019-10-03 02:38:17,153 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteSymbolicLink [2019-10-03 02:38:17,153 INFO L130 BoogieDeclarations]: Found specification of procedure IoDetachDevice [2019-10-03 02:38:17,153 INFO L130 BoogieDeclarations]: Found specification of procedure IoFreeIrp [2019-10-03 02:38:17,153 INFO L130 BoogieDeclarations]: Found specification of procedure IoFreeMdl [2019-10-03 02:38:17,153 INFO L130 BoogieDeclarations]: Found specification of procedure IoGetConfigurationInformation [2019-10-03 02:38:17,153 INFO L130 BoogieDeclarations]: Found specification of procedure IoQueryDeviceDescription [2019-10-03 02:38:17,154 INFO L130 BoogieDeclarations]: Found specification of procedure IoReleaseCancelSpinLock [2019-10-03 02:38:17,154 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetHardErrorOrVerifyDevice [2019-10-03 02:38:17,154 INFO L130 BoogieDeclarations]: Found specification of procedure IoOpenDeviceRegistryKey [2019-10-03 02:38:17,154 INFO L130 BoogieDeclarations]: Found specification of procedure IoRegisterDeviceInterface [2019-10-03 02:38:17,155 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2019-10-03 02:38:17,155 INFO L130 BoogieDeclarations]: Found specification of procedure PoCallDriver [2019-10-03 02:38:17,156 INFO L130 BoogieDeclarations]: Found specification of procedure PoStartNextPowerIrp [2019-10-03 02:38:17,156 INFO L130 BoogieDeclarations]: Found specification of procedure ObReferenceObjectByHandle [2019-10-03 02:38:17,156 INFO L130 BoogieDeclarations]: Found specification of procedure ObfDereferenceObject [2019-10-03 02:38:17,156 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2019-10-03 02:38:17,156 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2019-10-03 02:38:17,156 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2019-10-03 02:38:17,156 INFO L130 BoogieDeclarations]: Found specification of procedure DriverEntry [2019-10-03 02:38:17,156 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioReadWrite [2019-10-03 02:38:17,156 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioDeviceControl [2019-10-03 02:38:17,157 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioSendToNextDriver [2019-10-03 02:38:17,157 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioIsPlayActive [2019-10-03 02:38:17,157 INFO L130 BoogieDeclarations]: Found specification of procedure NecSupportNeeded [2019-10-03 02:38:17,157 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioNECDeviceControl [2019-10-03 02:38:17,157 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioPioneerDeviceControl [2019-10-03 02:38:17,157 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioDenonDeviceControl [2019-10-03 02:38:17,157 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioHitachiSendPauseCommand [2019-10-03 02:38:17,158 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioHitachiDeviceControl [2019-10-03 02:38:17,158 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudio535DeviceControl [2019-10-03 02:38:17,158 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudio435DeviceControl [2019-10-03 02:38:17,158 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioAtapiDeviceControl [2019-10-03 02:38:17,158 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioHPCdrDeviceControl [2019-10-03 02:38:17,158 INFO L130 BoogieDeclarations]: Found specification of procedure HpCdrProcessLastSession [2019-10-03 02:38:17,158 INFO L130 BoogieDeclarations]: Found specification of procedure HPCdrCompletion [2019-10-03 02:38:17,158 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioPower [2019-10-03 02:38:17,159 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioForwardIrpSynchronous [2019-10-03 02:38:17,159 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioUnload [2019-10-03 02:38:17,159 INFO L130 BoogieDeclarations]: Found specification of procedure SendSrbSynchronous [2019-10-03 02:38:17,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 02:38:17,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 02:38:17,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-03 02:38:17,159 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioAddDevice [2019-10-03 02:38:17,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-03 02:38:17,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-03 02:38:17,160 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioSignalCompletion [2019-10-03 02:38:17,160 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioStartDevice [2019-10-03 02:38:17,160 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioPnp [2019-10-03 02:38:17,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-03 02:38:17,160 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2019-10-03 02:38:17,160 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 02:38:17,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-03 02:38:17,161 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_malloc [2019-10-03 02:38:17,161 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2019-10-03 02:38:17,161 INFO L130 BoogieDeclarations]: Found specification of procedure KeAcquireSpinLockRaiseToDpc [2019-10-03 02:38:17,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 02:38:17,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-03 02:38:17,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 02:38:17,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-03 02:38:17,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-03 02:38:17,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-03 02:38:17,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-03 02:38:18,259 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-03 02:38:18,332 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-03 02:38:18,333 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-03 02:38:18,333 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-03 02:38:18,343 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-03 02:38:18,344 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-03 02:38:18,355 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-03 02:38:18,366 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-03 02:38:18,367 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-03 02:38:18,367 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-03 02:38:18,388 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-03 02:38:18,388 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-03 02:38:18,391 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-03 02:38:30,009 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##28: assume !false; [2019-10-03 02:38:30,009 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##27: assume false; [2019-10-03 02:38:30,039 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-03 02:38:30,051 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-03 02:38:30,051 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-03 02:38:30,052 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-03 02:38:30,071 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-03 02:38:30,071 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-03 02:38:30,072 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-03 02:38:30,087 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-03 02:38:30,088 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-03 02:38:30,088 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-03 02:38:30,104 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-03 02:38:30,105 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-03 02:38:30,111 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-03 02:38:49,547 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##26: assume !false; [2019-10-03 02:38:49,548 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume false; [2019-10-03 02:38:49,615 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-03 02:38:49,809 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##39: assume false; [2019-10-03 02:38:49,809 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##40: assume !false; [2019-10-03 02:38:49,818 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-03 02:38:49,835 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-03 02:38:49,836 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-03 02:38:49,836 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-03 02:38:49,863 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2019-10-03 02:38:49,864 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2019-10-03 02:38:49,864 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-03 02:38:49,877 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-03 02:38:49,878 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-03 02:38:49,878 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-03 02:38:49,888 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-03 02:38:49,889 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-03 02:38:49,906 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-03 02:38:49,920 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-03 02:38:49,921 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-03 02:38:49,921 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-03 02:38:49,934 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-03 02:38:49,934 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-03 02:38:57,724 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-03 02:39:04,588 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##26: assume !false; [2019-10-03 02:39:04,588 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume false; [2019-10-03 02:39:04,608 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-03 02:39:15,429 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume false; [2019-10-03 02:39:15,430 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##22: assume !false; [2019-10-03 02:39:15,442 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-03 02:39:15,489 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2019-10-03 02:39:15,490 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2019-10-03 02:39:15,609 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-03 02:39:15,616 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-03 02:39:15,616 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-03 02:39:15,657 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-03 02:39:15,764 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##32: assume false; [2019-10-03 02:39:15,765 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##33: assume !false; [2019-10-03 02:39:15,966 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-03 02:39:15,977 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-03 02:39:15,977 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-03 02:39:16,050 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-03 02:39:16,061 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-03 02:39:16,061 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-03 02:39:16,063 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-03 02:39:25,716 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##28: assume !false; [2019-10-03 02:39:25,716 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##27: assume false; [2019-10-03 02:39:25,727 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-03 02:39:25,762 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume !false; [2019-10-03 02:39:25,763 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume false; [2019-10-03 02:39:25,773 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-03 02:39:25,796 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2019-10-03 02:39:25,796 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2019-10-03 02:39:25,815 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-03 02:39:25,823 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-03 02:39:25,824 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-03 02:39:25,963 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-03 02:39:28,174 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6: assume !false; [2019-10-03 02:39:28,175 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint L3707: #res := 0; [2019-10-03 02:39:28,175 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume false; [2019-10-03 02:39:28,175 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-03 02:39:28,184 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-03 02:39:28,184 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-03 02:39:30,384 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-03 02:39:45,061 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##26: assume !false; [2019-10-03 02:39:45,062 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume false; [2019-10-03 02:39:49,877 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 02:39:49,878 INFO L283 CfgBuilder]: Removed 16 assume(true) statements. [2019-10-03 02:39:49,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:39:49 BoogieIcfgContainer [2019-10-03 02:39:49,880 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 02:39:49,881 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-03 02:39:49,881 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-03 02:39:49,885 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-03 02:39:49,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.10 02:38:13" (1/3) ... [2019-10-03 02:39:49,886 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4792761d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:39:49, skipping insertion in model container [2019-10-03 02:39:49,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:38:16" (2/3) ... [2019-10-03 02:39:49,886 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4792761d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:39:49, skipping insertion in model container [2019-10-03 02:39:49,887 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:39:49" (3/3) ... [2019-10-03 02:39:49,888 INFO L109 eAbstractionObserver]: Analyzing ICFG cdaudio.i.cil-1.c [2019-10-03 02:39:49,899 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-03 02:39:49,908 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-03 02:39:49,926 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-03 02:39:49,952 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-03 02:39:49,952 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-03 02:39:49,952 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-03 02:39:49,952 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-03 02:39:49,952 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-03 02:39:49,952 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-03 02:39:49,953 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-03 02:39:49,953 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-03 02:39:49,996 INFO L276 IsEmpty]: Start isEmpty. Operand 1253 states. [2019-10-03 02:39:50,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-03 02:39:50,008 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:39:50,009 INFO L411 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] [2019-10-03 02:39:50,011 INFO L418 AbstractCegarLoop]: === Iteration 1 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:39:50,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:39:50,017 INFO L82 PathProgramCache]: Analyzing trace with hash 1641690656, now seen corresponding path program 1 times [2019-10-03 02:39:50,019 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:39:50,213 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:39:50,213 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:39:50,213 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:39:50,214 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:39:50,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:39:50,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 02:39:50,591 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:39:50,591 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-03 02:39:50,591 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:39:50,598 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:39:50,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:39:50,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:39:50,621 INFO L87 Difference]: Start difference. First operand 1253 states. Second operand 2 states. [2019-10-03 02:39:50,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:39:50,730 INFO L93 Difference]: Finished difference Result 677 states and 995 transitions. [2019-10-03 02:39:50,730 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:39:50,732 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 26 [2019-10-03 02:39:50,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:39:50,764 INFO L225 Difference]: With dead ends: 677 [2019-10-03 02:39:50,764 INFO L226 Difference]: Without dead ends: 671 [2019-10-03 02:39:50,766 INFO L640 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 [2019-10-03 02:39:50,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 671 states. [2019-10-03 02:39:50,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 671 to 671. [2019-10-03 02:39:50,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 671 states. [2019-10-03 02:39:50,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 671 states and 982 transitions. [2019-10-03 02:39:50,874 INFO L78 Accepts]: Start accepts. Automaton has 671 states and 982 transitions. Word has length 26 [2019-10-03 02:39:50,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:39:50,874 INFO L475 AbstractCegarLoop]: Abstraction has 671 states and 982 transitions. [2019-10-03 02:39:50,874 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:39:50,874 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 982 transitions. [2019-10-03 02:39:50,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-03 02:39:50,876 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:39:50,876 INFO L411 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] [2019-10-03 02:39:50,876 INFO L418 AbstractCegarLoop]: === Iteration 2 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:39:50,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:39:50,876 INFO L82 PathProgramCache]: Analyzing trace with hash 1487135532, now seen corresponding path program 1 times [2019-10-03 02:39:50,876 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:39:50,914 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:39:50,915 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:39:50,915 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:39:50,915 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:39:50,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:39:51,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 02:39:51,039 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:39:51,039 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:39:51,039 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:39:51,041 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:39:51,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:39:51,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:39:51,041 INFO L87 Difference]: Start difference. First operand 671 states and 982 transitions. Second operand 3 states. [2019-10-03 02:39:51,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:39:51,141 INFO L93 Difference]: Finished difference Result 677 states and 988 transitions. [2019-10-03 02:39:51,142 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:39:51,142 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-10-03 02:39:51,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:39:51,150 INFO L225 Difference]: With dead ends: 677 [2019-10-03 02:39:51,150 INFO L226 Difference]: Without dead ends: 677 [2019-10-03 02:39:51,151 INFO L640 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 [2019-10-03 02:39:51,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 677 states. [2019-10-03 02:39:51,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 677 to 674. [2019-10-03 02:39:51,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 674 states. [2019-10-03 02:39:51,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 674 states and 985 transitions. [2019-10-03 02:39:51,193 INFO L78 Accepts]: Start accepts. Automaton has 674 states and 985 transitions. Word has length 26 [2019-10-03 02:39:51,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:39:51,193 INFO L475 AbstractCegarLoop]: Abstraction has 674 states and 985 transitions. [2019-10-03 02:39:51,194 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:39:51,194 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 985 transitions. [2019-10-03 02:39:51,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-10-03 02:39:51,195 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:39:51,195 INFO L411 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] [2019-10-03 02:39:51,195 INFO L418 AbstractCegarLoop]: === Iteration 3 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:39:51,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:39:51,196 INFO L82 PathProgramCache]: Analyzing trace with hash -1488298766, now seen corresponding path program 1 times [2019-10-03 02:39:51,196 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:39:51,219 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:39:51,219 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:39:51,219 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:39:51,219 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:39:51,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:39:51,331 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-03 02:39:51,331 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:39:51,331 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:39:51,331 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:39:51,332 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:39:51,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:39:51,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:39:51,332 INFO L87 Difference]: Start difference. First operand 674 states and 985 transitions. Second operand 3 states. [2019-10-03 02:39:51,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:39:51,476 INFO L93 Difference]: Finished difference Result 679 states and 991 transitions. [2019-10-03 02:39:51,477 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:39:51,477 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2019-10-03 02:39:51,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:39:51,481 INFO L225 Difference]: With dead ends: 679 [2019-10-03 02:39:51,482 INFO L226 Difference]: Without dead ends: 674 [2019-10-03 02:39:51,482 INFO L640 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 [2019-10-03 02:39:51,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 674 states. [2019-10-03 02:39:51,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 674 to 674. [2019-10-03 02:39:51,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 674 states. [2019-10-03 02:39:51,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 674 states and 984 transitions. [2019-10-03 02:39:51,507 INFO L78 Accepts]: Start accepts. Automaton has 674 states and 984 transitions. Word has length 32 [2019-10-03 02:39:51,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:39:51,507 INFO L475 AbstractCegarLoop]: Abstraction has 674 states and 984 transitions. [2019-10-03 02:39:51,507 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:39:51,507 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 984 transitions. [2019-10-03 02:39:51,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-10-03 02:39:51,509 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:39:51,509 INFO L411 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] [2019-10-03 02:39:51,509 INFO L418 AbstractCegarLoop]: === Iteration 4 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:39:51,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:39:51,510 INFO L82 PathProgramCache]: Analyzing trace with hash -1867975053, now seen corresponding path program 1 times [2019-10-03 02:39:51,510 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:39:51,532 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:39:51,532 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:39:51,532 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:39:51,532 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:39:51,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:39:51,669 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-03 02:39:51,670 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:39:51,670 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:39:51,670 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:39:51,670 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:39:51,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:39:51,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:39:51,671 INFO L87 Difference]: Start difference. First operand 674 states and 984 transitions. Second operand 3 states. [2019-10-03 02:39:51,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:39:51,938 INFO L93 Difference]: Finished difference Result 989 states and 1427 transitions. [2019-10-03 02:39:51,938 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:39:51,938 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2019-10-03 02:39:51,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:39:51,949 INFO L225 Difference]: With dead ends: 989 [2019-10-03 02:39:51,949 INFO L226 Difference]: Without dead ends: 988 [2019-10-03 02:39:51,949 INFO L640 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 [2019-10-03 02:39:51,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 988 states. [2019-10-03 02:39:52,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 988 to 969. [2019-10-03 02:39:52,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 969 states. [2019-10-03 02:39:52,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 969 states to 969 states and 1402 transitions. [2019-10-03 02:39:52,020 INFO L78 Accepts]: Start accepts. Automaton has 969 states and 1402 transitions. Word has length 37 [2019-10-03 02:39:52,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:39:52,021 INFO L475 AbstractCegarLoop]: Abstraction has 969 states and 1402 transitions. [2019-10-03 02:39:52,021 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:39:52,022 INFO L276 IsEmpty]: Start isEmpty. Operand 969 states and 1402 transitions. [2019-10-03 02:39:52,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-10-03 02:39:52,029 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:39:52,029 INFO L411 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] [2019-10-03 02:39:52,030 INFO L418 AbstractCegarLoop]: === Iteration 5 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:39:52,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:39:52,030 INFO L82 PathProgramCache]: Analyzing trace with hash 271639672, now seen corresponding path program 1 times [2019-10-03 02:39:52,030 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:39:52,053 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:39:52,054 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:39:52,054 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:39:52,054 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:39:52,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:39:52,199 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-03 02:39:52,199 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:39:52,199 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:39:52,200 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:39:52,201 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:39:52,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:39:52,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:39:52,202 INFO L87 Difference]: Start difference. First operand 969 states and 1402 transitions. Second operand 3 states. [2019-10-03 02:39:52,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:39:52,467 INFO L93 Difference]: Finished difference Result 1582 states and 2339 transitions. [2019-10-03 02:39:52,468 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:39:52,468 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2019-10-03 02:39:52,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:39:52,483 INFO L225 Difference]: With dead ends: 1582 [2019-10-03 02:39:52,483 INFO L226 Difference]: Without dead ends: 1582 [2019-10-03 02:39:52,484 INFO L640 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 [2019-10-03 02:39:52,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1582 states. [2019-10-03 02:39:52,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1582 to 1140. [2019-10-03 02:39:52,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1140 states. [2019-10-03 02:39:52,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1140 states to 1140 states and 1677 transitions. [2019-10-03 02:39:52,565 INFO L78 Accepts]: Start accepts. Automaton has 1140 states and 1677 transitions. Word has length 44 [2019-10-03 02:39:52,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:39:52,568 INFO L475 AbstractCegarLoop]: Abstraction has 1140 states and 1677 transitions. [2019-10-03 02:39:52,568 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:39:52,568 INFO L276 IsEmpty]: Start isEmpty. Operand 1140 states and 1677 transitions. [2019-10-03 02:39:52,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-10-03 02:39:52,570 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:39:52,570 INFO L411 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] [2019-10-03 02:39:52,570 INFO L418 AbstractCegarLoop]: === Iteration 6 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:39:52,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:39:52,571 INFO L82 PathProgramCache]: Analyzing trace with hash -407356408, now seen corresponding path program 1 times [2019-10-03 02:39:52,571 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:39:52,595 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:39:52,596 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:39:52,596 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:39:52,596 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:39:52,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:39:52,904 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-03 02:39:52,905 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:39:52,905 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-03 02:39:52,905 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:39:52,906 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-03 02:39:52,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-03 02:39:52,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-03 02:39:52,906 INFO L87 Difference]: Start difference. First operand 1140 states and 1677 transitions. Second operand 5 states. [2019-10-03 02:39:54,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:39:54,530 INFO L93 Difference]: Finished difference Result 1155 states and 1693 transitions. [2019-10-03 02:39:54,531 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-03 02:39:54,531 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 45 [2019-10-03 02:39:54,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:39:54,538 INFO L225 Difference]: With dead ends: 1155 [2019-10-03 02:39:54,538 INFO L226 Difference]: Without dead ends: 1155 [2019-10-03 02:39:54,539 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-10-03 02:39:54,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1155 states. [2019-10-03 02:39:54,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1155 to 1134. [2019-10-03 02:39:54,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1134 states. [2019-10-03 02:39:54,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1134 states to 1134 states and 1665 transitions. [2019-10-03 02:39:54,576 INFO L78 Accepts]: Start accepts. Automaton has 1134 states and 1665 transitions. Word has length 45 [2019-10-03 02:39:54,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:39:54,576 INFO L475 AbstractCegarLoop]: Abstraction has 1134 states and 1665 transitions. [2019-10-03 02:39:54,577 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-03 02:39:54,577 INFO L276 IsEmpty]: Start isEmpty. Operand 1134 states and 1665 transitions. [2019-10-03 02:39:54,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-03 02:39:54,578 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:39:54,578 INFO L411 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] [2019-10-03 02:39:54,578 INFO L418 AbstractCegarLoop]: === Iteration 7 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:39:54,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:39:54,579 INFO L82 PathProgramCache]: Analyzing trace with hash 2059035920, now seen corresponding path program 1 times [2019-10-03 02:39:54,579 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:39:54,597 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:39:54,597 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:39:54,597 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:39:54,597 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:39:54,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:39:54,707 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-03 02:39:54,707 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:39:54,708 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:39:54,708 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:39:54,708 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:39:54,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:39:54,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:39:54,709 INFO L87 Difference]: Start difference. First operand 1134 states and 1665 transitions. Second operand 3 states. [2019-10-03 02:39:54,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:39:54,763 INFO L93 Difference]: Finished difference Result 1698 states and 2462 transitions. [2019-10-03 02:39:54,763 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:39:54,763 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2019-10-03 02:39:54,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:39:54,772 INFO L225 Difference]: With dead ends: 1698 [2019-10-03 02:39:54,772 INFO L226 Difference]: Without dead ends: 1698 [2019-10-03 02:39:54,773 INFO L640 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 [2019-10-03 02:39:54,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1698 states. [2019-10-03 02:39:54,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1698 to 1611. [2019-10-03 02:39:54,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1611 states. [2019-10-03 02:39:54,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1611 states to 1611 states and 2357 transitions. [2019-10-03 02:39:54,822 INFO L78 Accepts]: Start accepts. Automaton has 1611 states and 2357 transitions. Word has length 46 [2019-10-03 02:39:54,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:39:54,822 INFO L475 AbstractCegarLoop]: Abstraction has 1611 states and 2357 transitions. [2019-10-03 02:39:54,822 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:39:54,822 INFO L276 IsEmpty]: Start isEmpty. Operand 1611 states and 2357 transitions. [2019-10-03 02:39:54,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-03 02:39:54,824 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:39:54,824 INFO L411 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] [2019-10-03 02:39:54,824 INFO L418 AbstractCegarLoop]: === Iteration 8 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:39:54,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:39:54,824 INFO L82 PathProgramCache]: Analyzing trace with hash -1213243744, now seen corresponding path program 1 times [2019-10-03 02:39:54,824 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:39:54,843 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:39:54,844 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:39:54,844 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:39:54,844 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:39:54,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:39:54,945 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-03 02:39:54,945 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-03 02:39:54,945 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-10-03 02:39:54,946 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 47 with the following transitions: [2019-10-03 02:39:54,948 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] [2019-10-03 02:39:54,990 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-03 02:39:54,991 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 02:39:55,076 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-03 02:39:55,078 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. [2019-10-03 02:39:55,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:39:55,084 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-03 02:39:55,122 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-03 02:39:55,122 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-10-03 02:39:55,124 INFO L420 sIntCurrentIteration]: We unified 45 AI predicates to 45 [2019-10-03 02:39:55,124 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-03 02:39:55,125 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-03 02:39:55,125 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 4 [2019-10-03 02:39:55,126 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:39:55,126 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:39:55,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:39:55,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:39:55,127 INFO L87 Difference]: Start difference. First operand 1611 states and 2357 transitions. Second operand 2 states. [2019-10-03 02:39:55,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:39:55,127 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-10-03 02:39:55,127 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:39:55,127 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-10-03 02:39:55,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:39:55,128 INFO L225 Difference]: With dead ends: 2 [2019-10-03 02:39:55,128 INFO L226 Difference]: Without dead ends: 0 [2019-10-03 02:39:55,128 INFO L640 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 [2019-10-03 02:39:55,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-03 02:39:55,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-03 02:39:55,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-03 02:39:55,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-03 02:39:55,129 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 46 [2019-10-03 02:39:55,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:39:55,130 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-03 02:39:55,130 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:39:55,130 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-03 02:39:55,130 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-03 02:39:55,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 02:39:55 BoogieIcfgContainer [2019-10-03 02:39:55,136 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-03 02:39:55,138 INFO L168 Benchmark]: Toolchain (without parser) took 101508.08 ms. Allocated memory was 138.4 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 73.9 MB in the beginning and 556.7 MB in the end (delta: -482.8 MB). Peak memory consumption was 759.7 MB. Max. memory is 7.1 GB. [2019-10-03 02:39:55,139 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 138.4 MB. Free memory was 103.2 MB in the beginning and 103.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-03 02:39:55,140 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2801.66 ms. Allocated memory was 138.4 MB in the beginning and 275.8 MB in the end (delta: 137.4 MB). Free memory was 73.7 MB in the beginning and 116.3 MB in the end (delta: -42.7 MB). Peak memory consumption was 107.0 MB. Max. memory is 7.1 GB. [2019-10-03 02:39:55,141 INFO L168 Benchmark]: Boogie Preprocessor took 596.01 ms. Allocated memory was 275.8 MB in the beginning and 280.0 MB in the end (delta: 4.2 MB). Free memory was 116.3 MB in the beginning and 181.3 MB in the end (delta: -65.0 MB). Peak memory consumption was 70.5 MB. Max. memory is 7.1 GB. [2019-10-03 02:39:55,142 INFO L168 Benchmark]: RCFGBuilder took 92851.56 ms. Allocated memory was 280.0 MB in the beginning and 1.4 GB in the end (delta: 1.1 GB). Free memory was 181.3 MB in the beginning and 1.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2019-10-03 02:39:55,143 INFO L168 Benchmark]: TraceAbstraction took 5254.33 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 556.7 MB in the end (delta: 697.3 MB). Peak memory consumption was 697.3 MB. Max. memory is 7.1 GB. [2019-10-03 02:39:55,147 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 138.4 MB. Free memory was 103.2 MB in the beginning and 103.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2801.66 ms. Allocated memory was 138.4 MB in the beginning and 275.8 MB in the end (delta: 137.4 MB). Free memory was 73.7 MB in the beginning and 116.3 MB in the end (delta: -42.7 MB). Peak memory consumption was 107.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 596.01 ms. Allocated memory was 275.8 MB in the beginning and 280.0 MB in the end (delta: 4.2 MB). Free memory was 116.3 MB in the beginning and 181.3 MB in the end (delta: -65.0 MB). Peak memory consumption was 70.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 92851.56 ms. Allocated memory was 280.0 MB in the beginning and 1.4 GB in the end (delta: 1.1 GB). Free memory was 181.3 MB in the beginning and 1.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. * TraceAbstraction took 5254.33 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 556.7 MB in the end (delta: 697.3 MB). Peak memory consumption was 697.3 MB. 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, 5.1s OverallTime, 8 OverallIterations, 1 TraceHistogramMax, 2.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 8360 SDtfs, 4586 SDslu, 4427 SDs, 0 SdLazy, 640 SolverSat, 644 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s 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: 0.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 572 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.9s 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...