/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain OctagonDomain -i ../sv-benchmarks/c/ntdrivers/cdaudio.i.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 03:09:18,882 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 03:09:18,883 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 03:09:18,903 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 03:09:18,903 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 03:09:18,905 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 03:09:18,907 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 03:09:18,908 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 03:09:18,909 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 03:09:18,909 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 03:09:18,910 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 03:09:18,925 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 03:09:18,925 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 03:09:18,926 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 03:09:18,927 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 03:09:18,927 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 03:09:18,928 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 03:09:18,928 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 03:09:18,929 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 03:09:18,930 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 03:09:18,931 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 03:09:18,945 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 03:09:18,946 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 03:09:18,947 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 03:09:18,949 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 03:09:18,949 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 03:09:18,949 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 03:09:18,950 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 03:09:18,950 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 03:09:18,951 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 03:09:18,951 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 03:09:18,951 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 03:09:18,952 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 03:09:18,952 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 03:09:18,953 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 03:09:18,953 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 03:09:18,953 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 03:09:18,953 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 03:09:18,953 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 03:09:18,954 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 03:09:18,954 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 03:09:18,955 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-01 03:09:18,982 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 03:09:18,982 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 03:09:18,982 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 03:09:18,982 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 03:09:18,983 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 03:09:18,983 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 03:09:18,983 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 03:09:18,983 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 03:09:18,983 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 03:09:18,983 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 03:09:18,983 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 03:09:18,984 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 03:09:18,984 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 03:09:18,984 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 03:09:18,984 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 03:09:18,984 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 03:09:18,984 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 03:09:18,984 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 03:09:18,987 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 03:09:18,987 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 03:09:18,988 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 03:09:18,988 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 03:09:18,988 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 03:09:18,988 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 03:09:18,988 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 03:09:18,988 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 03:09:18,988 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 03:09:18,988 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 03:09:18,988 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 03:09:18,988 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 03:09:18,988 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 03:09:18,989 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 03:09:18,989 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 03:09:18,989 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 03:09:18,989 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 03:09:18,989 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 03:09:18,989 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 03:09:18,989 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 03:09:18,989 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 03:09:18,989 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 03:09:18,989 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 03:09:18,989 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-01 03:09:19,192 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 03:09:19,213 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 03:09:19,215 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 03:09:19,216 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 03:09:19,217 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 03:09:19,218 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers/cdaudio.i.cil-1.c [2023-04-01 03:09:20,632 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 03:09:21,050 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 03:09:21,051 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers/cdaudio.i.cil-1.c [2023-04-01 03:09:21,093 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1504b4c8/c680b0964c6746e29168a2d23030c480/FLAG451512469 [2023-04-01 03:09:21,107 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1504b4c8/c680b0964c6746e29168a2d23030c480 [2023-04-01 03:09:21,109 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 03:09:21,110 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 03:09:21,113 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 03:09:21,113 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 03:09:21,116 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 03:09:21,117 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 03:09:21" (1/1) ... [2023-04-01 03:09:21,118 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@314af3f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:09:21, skipping insertion in model container [2023-04-01 03:09:21,118 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 03:09:21" (1/1) ... [2023-04-01 03:09:21,124 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 03:09:21,211 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 03:09:21,867 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers/cdaudio.i.cil-1.c[90162,90175] [2023-04-01 03:09:22,437 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 03:09:22,447 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 03:09:22,499 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers/cdaudio.i.cil-1.c[90162,90175] [2023-04-01 03:09:22,741 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 03:09:22,758 WARN L667 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-04-01 03:09:22,764 INFO L208 MainTranslator]: Completed translation [2023-04-01 03:09:22,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:09:22 WrapperNode [2023-04-01 03:09:22,766 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 03:09:22,766 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 03:09:22,766 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 03:09:22,766 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 03:09:22,774 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:09:22" (1/1) ... [2023-04-01 03:09:22,775 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:09:22" (1/1) ... [2023-04-01 03:09:22,843 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:09:22" (1/1) ... [2023-04-01 03:09:22,843 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:09:22" (1/1) ... [2023-04-01 03:09:22,942 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:09:22" (1/1) ... [2023-04-01 03:09:22,966 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:09:22" (1/1) ... [2023-04-01 03:09:22,985 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:09:22" (1/1) ... [2023-04-01 03:09:23,001 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:09:22" (1/1) ... [2023-04-01 03:09:23,027 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 03:09:23,028 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 03:09:23,028 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 03:09:23,028 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 03:09:23,030 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:09:22" (1/1) ... [2023-04-01 03:09:23,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 03:09:23,042 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 03:09:23,053 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-01 03:09:23,091 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-01 03:09:23,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 03:09:23,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 03:09:23,105 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 03:09:23,105 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlWriteRegistryValue [2023-04-01 03:09:23,105 INFO L138 BoogieDeclarations]: Found implementation of procedure InterlockedIncrement [2023-04-01 03:09:23,105 INFO L138 BoogieDeclarations]: Found implementation of procedure InterlockedDecrement [2023-04-01 03:09:23,105 INFO L138 BoogieDeclarations]: Found implementation of procedure MmLockPagableDataSection [2023-04-01 03:09:23,105 INFO L138 BoogieDeclarations]: Found implementation of procedure IoOpenDeviceRegistryKey [2023-04-01 03:09:23,105 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2023-04-01 03:09:23,105 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2023-04-01 03:09:23,105 INFO L138 BoogieDeclarations]: Found implementation of procedure SendSrbSynchronous [2023-04-01 03:09:23,105 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioAddDevice [2023-04-01 03:09:23,105 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioSignalCompletion [2023-04-01 03:09:23,105 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioStartDevice [2023-04-01 03:09:23,105 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioPnp [2023-04-01 03:09:23,105 INFO L138 BoogieDeclarations]: Found implementation of procedure DriverEntry [2023-04-01 03:09:23,106 INFO L138 BoogieDeclarations]: Found implementation of procedure NecSupportNeeded [2023-04-01 03:09:23,106 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioReadWrite [2023-04-01 03:09:23,106 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioDeviceControl [2023-04-01 03:09:23,106 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioSendToNextDriver [2023-04-01 03:09:23,106 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioIsPlayActive [2023-04-01 03:09:23,106 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioNECDeviceControl [2023-04-01 03:09:23,106 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioPioneerDeviceControl [2023-04-01 03:09:23,106 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioDenonDeviceControl [2023-04-01 03:09:23,106 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioHitachiSendPauseCommand [2023-04-01 03:09:23,106 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioHitachiDeviceControl [2023-04-01 03:09:23,106 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudio535DeviceControl [2023-04-01 03:09:23,106 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudio435DeviceControl [2023-04-01 03:09:23,106 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioAtapiDeviceControl [2023-04-01 03:09:23,106 INFO L138 BoogieDeclarations]: Found implementation of procedure HpCdrProcessLastSession [2023-04-01 03:09:23,106 INFO L138 BoogieDeclarations]: Found implementation of procedure HPCdrCompletion [2023-04-01 03:09:23,106 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioHPCdrDeviceControl [2023-04-01 03:09:23,107 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioForwardIrpSynchronous [2023-04-01 03:09:23,107 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioUnload [2023-04-01 03:09:23,107 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioPower [2023-04-01 03:09:23,107 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2023-04-01 03:09:23,107 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 03:09:23,107 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_malloc [2023-04-01 03:09:23,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ExAcquireFastMutex [2023-04-01 03:09:23,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ExReleaseFastMutex [2023-04-01 03:09:23,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ExAllocatePoolWithTag [2023-04-01 03:09:23,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ExFreePool [2023-04-01 03:09:23,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ExfInterlockedInsertHeadList [2023-04-01 03:09:23,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ExfInterlockedInsertTailList [2023-04-01 03:09:23,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ExfInterlockedRemoveHeadList [2023-04-01 03:09:23,109 INFO L138 BoogieDeclarations]: Found implementation of procedure IoAllocateMdl [2023-04-01 03:09:23,109 INFO L138 BoogieDeclarations]: Found implementation of procedure IoAttachDeviceToDeviceStack [2023-04-01 03:09:23,109 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildAsynchronousFsdRequest [2023-04-01 03:09:23,109 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2023-04-01 03:09:23,109 INFO L138 BoogieDeclarations]: Found implementation of procedure IoCreateDevice [2023-04-01 03:09:23,109 INFO L138 BoogieDeclarations]: Found implementation of procedure IoCreateSymbolicLink [2023-04-01 03:09:23,109 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteDevice [2023-04-01 03:09:23,109 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteSymbolicLink [2023-04-01 03:09:23,110 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDetachDevice [2023-04-01 03:09:23,110 INFO L138 BoogieDeclarations]: Found implementation of procedure IoFreeIrp [2023-04-01 03:09:23,110 INFO L138 BoogieDeclarations]: Found implementation of procedure IoFreeMdl [2023-04-01 03:09:23,110 INFO L138 BoogieDeclarations]: Found implementation of procedure IoGetConfigurationInformation [2023-04-01 03:09:23,110 INFO L138 BoogieDeclarations]: Found implementation of procedure IoQueryDeviceDescription [2023-04-01 03:09:23,110 INFO L138 BoogieDeclarations]: Found implementation of procedure IoRegisterDeviceInterface [2023-04-01 03:09:23,110 INFO L138 BoogieDeclarations]: Found implementation of procedure IoReleaseCancelSpinLock [2023-04-01 03:09:23,110 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2023-04-01 03:09:23,110 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetHardErrorOrVerifyDevice [2023-04-01 03:09:23,110 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2023-04-01 03:09:23,110 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2023-04-01 03:09:23,110 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2023-04-01 03:09:23,111 INFO L138 BoogieDeclarations]: Found implementation of procedure KeAcquireSpinLockRaiseToDpc [2023-04-01 03:09:23,111 INFO L138 BoogieDeclarations]: Found implementation of procedure KeDelayExecutionThread [2023-04-01 03:09:23,111 INFO L138 BoogieDeclarations]: Found implementation of procedure KeInitializeEvent [2023-04-01 03:09:23,111 INFO L138 BoogieDeclarations]: Found implementation of procedure KeInitializeSemaphore [2023-04-01 03:09:23,111 INFO L138 BoogieDeclarations]: Found implementation of procedure KeInitializeSpinLock [2023-04-01 03:09:23,111 INFO L138 BoogieDeclarations]: Found implementation of procedure KeReleaseSemaphore [2023-04-01 03:09:23,111 INFO L138 BoogieDeclarations]: Found implementation of procedure KfReleaseSpinLock [2023-04-01 03:09:23,111 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2023-04-01 03:09:23,111 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2023-04-01 03:09:23,111 INFO L138 BoogieDeclarations]: Found implementation of procedure MmAllocateContiguousMemory [2023-04-01 03:09:23,111 INFO L138 BoogieDeclarations]: Found implementation of procedure MmFreeContiguousMemory [2023-04-01 03:09:23,111 INFO L138 BoogieDeclarations]: Found implementation of procedure MmMapLockedPagesSpecifyCache [2023-04-01 03:09:23,112 INFO L138 BoogieDeclarations]: Found implementation of procedure MmPageEntireDriver [2023-04-01 03:09:23,112 INFO L138 BoogieDeclarations]: Found implementation of procedure MmResetDriverPaging [2023-04-01 03:09:23,112 INFO L138 BoogieDeclarations]: Found implementation of procedure MmUnlockPages [2023-04-01 03:09:23,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ObReferenceObjectByHandle [2023-04-01 03:09:23,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ObfDereferenceObject [2023-04-01 03:09:23,112 INFO L138 BoogieDeclarations]: Found implementation of procedure PoCallDriver [2023-04-01 03:09:23,112 INFO L138 BoogieDeclarations]: Found implementation of procedure PoStartNextPowerIrp [2023-04-01 03:09:23,113 INFO L138 BoogieDeclarations]: Found implementation of procedure PsCreateSystemThread [2023-04-01 03:09:23,113 INFO L138 BoogieDeclarations]: Found implementation of procedure PsTerminateSystemThread [2023-04-01 03:09:23,113 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlAnsiStringToUnicodeString [2023-04-01 03:09:23,113 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlCompareMemory [2023-04-01 03:09:23,113 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlCopyUnicodeString [2023-04-01 03:09:23,113 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlDeleteRegistryValue [2023-04-01 03:09:23,113 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlFreeUnicodeString [2023-04-01 03:09:23,113 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlInitString [2023-04-01 03:09:23,113 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlInitUnicodeString [2023-04-01 03:09:23,114 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlQueryRegistryValues [2023-04-01 03:09:23,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2023-04-01 03:09:23,114 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-04-01 03:09:23,114 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-04-01 03:09:23,114 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 03:09:23,114 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 03:09:23,115 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 03:09:23,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 03:09:23,115 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2023-04-01 03:09:23,115 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 03:09:23,115 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2023-04-01 03:09:23,115 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-04-01 03:09:23,116 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-01 03:09:23,116 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2023-04-01 03:09:23,116 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-04-01 03:09:23,116 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2023-04-01 03:09:23,116 INFO L130 BoogieDeclarations]: Found specification of procedure RtlQueryRegistryValues [2023-04-01 03:09:23,116 INFO L130 BoogieDeclarations]: Found specification of procedure RtlWriteRegistryValue [2023-04-01 03:09:23,116 INFO L130 BoogieDeclarations]: Found specification of procedure RtlDeleteRegistryValue [2023-04-01 03:09:23,117 INFO L130 BoogieDeclarations]: Found specification of procedure RtlInitString [2023-04-01 03:09:23,117 INFO L130 BoogieDeclarations]: Found specification of procedure RtlInitUnicodeString [2023-04-01 03:09:23,117 INFO L130 BoogieDeclarations]: Found specification of procedure RtlAnsiStringToUnicodeString [2023-04-01 03:09:23,117 INFO L130 BoogieDeclarations]: Found specification of procedure RtlCopyUnicodeString [2023-04-01 03:09:23,118 INFO L130 BoogieDeclarations]: Found specification of procedure RtlFreeUnicodeString [2023-04-01 03:09:23,118 INFO L130 BoogieDeclarations]: Found specification of procedure RtlCompareMemory [2023-04-01 03:09:23,118 INFO L130 BoogieDeclarations]: Found specification of procedure InterlockedIncrement [2023-04-01 03:09:23,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 03:09:23,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 03:09:23,122 INFO L130 BoogieDeclarations]: Found specification of procedure InterlockedDecrement [2023-04-01 03:09:23,122 INFO L130 BoogieDeclarations]: Found specification of procedure KeInitializeEvent [2023-04-01 03:09:23,127 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2023-04-01 03:09:23,128 INFO L130 BoogieDeclarations]: Found specification of procedure KeInitializeSemaphore [2023-04-01 03:09:23,128 INFO L130 BoogieDeclarations]: Found specification of procedure KeReleaseSemaphore [2023-04-01 03:09:23,128 INFO L130 BoogieDeclarations]: Found specification of procedure KeDelayExecutionThread [2023-04-01 03:09:23,128 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2023-04-01 03:09:23,128 INFO L130 BoogieDeclarations]: Found specification of procedure KeInitializeSpinLock [2023-04-01 03:09:23,128 INFO L130 BoogieDeclarations]: Found specification of procedure KfReleaseSpinLock [2023-04-01 03:09:23,128 INFO L130 BoogieDeclarations]: Found specification of procedure ExAllocatePoolWithTag [2023-04-01 03:09:23,128 INFO L130 BoogieDeclarations]: Found specification of procedure ExFreePool [2023-04-01 03:09:23,128 INFO L130 BoogieDeclarations]: Found specification of procedure ExAcquireFastMutex [2023-04-01 03:09:23,128 INFO L130 BoogieDeclarations]: Found specification of procedure ExReleaseFastMutex [2023-04-01 03:09:23,128 INFO L130 BoogieDeclarations]: Found specification of procedure ExfInterlockedInsertHeadList [2023-04-01 03:09:23,128 INFO L130 BoogieDeclarations]: Found specification of procedure ExfInterlockedInsertTailList [2023-04-01 03:09:23,129 INFO L130 BoogieDeclarations]: Found specification of procedure ExfInterlockedRemoveHeadList [2023-04-01 03:09:23,129 INFO L130 BoogieDeclarations]: Found specification of procedure MmUnlockPages [2023-04-01 03:09:23,129 INFO L130 BoogieDeclarations]: Found specification of procedure MmMapLockedPagesSpecifyCache [2023-04-01 03:09:23,129 INFO L130 BoogieDeclarations]: Found specification of procedure MmAllocateContiguousMemory [2023-04-01 03:09:23,129 INFO L130 BoogieDeclarations]: Found specification of procedure MmFreeContiguousMemory [2023-04-01 03:09:23,129 INFO L130 BoogieDeclarations]: Found specification of procedure MmLockPagableDataSection [2023-04-01 03:09:23,129 INFO L130 BoogieDeclarations]: Found specification of procedure MmResetDriverPaging [2023-04-01 03:09:23,129 INFO L130 BoogieDeclarations]: Found specification of procedure MmPageEntireDriver [2023-04-01 03:09:23,129 INFO L130 BoogieDeclarations]: Found specification of procedure PsCreateSystemThread [2023-04-01 03:09:23,129 INFO L130 BoogieDeclarations]: Found specification of procedure PsTerminateSystemThread [2023-04-01 03:09:23,129 INFO L130 BoogieDeclarations]: Found specification of procedure IoAllocateMdl [2023-04-01 03:09:23,129 INFO L130 BoogieDeclarations]: Found specification of procedure IoAttachDeviceToDeviceStack [2023-04-01 03:09:23,129 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildAsynchronousFsdRequest [2023-04-01 03:09:23,129 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2023-04-01 03:09:23,129 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2023-04-01 03:09:23,129 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2023-04-01 03:09:23,129 INFO L130 BoogieDeclarations]: Found specification of procedure IoCreateDevice [2023-04-01 03:09:23,129 INFO L130 BoogieDeclarations]: Found specification of procedure IoCreateSymbolicLink [2023-04-01 03:09:23,130 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteDevice [2023-04-01 03:09:23,130 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteSymbolicLink [2023-04-01 03:09:23,130 INFO L130 BoogieDeclarations]: Found specification of procedure IoDetachDevice [2023-04-01 03:09:23,130 INFO L130 BoogieDeclarations]: Found specification of procedure IoFreeIrp [2023-04-01 03:09:23,130 INFO L130 BoogieDeclarations]: Found specification of procedure IoFreeMdl [2023-04-01 03:09:23,130 INFO L130 BoogieDeclarations]: Found specification of procedure IoGetConfigurationInformation [2023-04-01 03:09:23,130 INFO L130 BoogieDeclarations]: Found specification of procedure IoQueryDeviceDescription [2023-04-01 03:09:23,130 INFO L130 BoogieDeclarations]: Found specification of procedure IoReleaseCancelSpinLock [2023-04-01 03:09:23,130 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetHardErrorOrVerifyDevice [2023-04-01 03:09:23,130 INFO L130 BoogieDeclarations]: Found specification of procedure IoOpenDeviceRegistryKey [2023-04-01 03:09:23,130 INFO L130 BoogieDeclarations]: Found specification of procedure IoRegisterDeviceInterface [2023-04-01 03:09:23,130 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2023-04-01 03:09:23,130 INFO L130 BoogieDeclarations]: Found specification of procedure PoCallDriver [2023-04-01 03:09:23,130 INFO L130 BoogieDeclarations]: Found specification of procedure PoStartNextPowerIrp [2023-04-01 03:09:23,130 INFO L130 BoogieDeclarations]: Found specification of procedure ObReferenceObjectByHandle [2023-04-01 03:09:23,130 INFO L130 BoogieDeclarations]: Found specification of procedure ObfDereferenceObject [2023-04-01 03:09:23,130 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2023-04-01 03:09:23,131 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2023-04-01 03:09:23,131 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2023-04-01 03:09:23,131 INFO L130 BoogieDeclarations]: Found specification of procedure DriverEntry [2023-04-01 03:09:23,131 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioReadWrite [2023-04-01 03:09:23,131 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioDeviceControl [2023-04-01 03:09:23,131 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioSendToNextDriver [2023-04-01 03:09:23,131 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioIsPlayActive [2023-04-01 03:09:23,131 INFO L130 BoogieDeclarations]: Found specification of procedure NecSupportNeeded [2023-04-01 03:09:23,131 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioNECDeviceControl [2023-04-01 03:09:23,131 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioPioneerDeviceControl [2023-04-01 03:09:23,131 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioDenonDeviceControl [2023-04-01 03:09:23,131 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioHitachiSendPauseCommand [2023-04-01 03:09:23,131 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioHitachiDeviceControl [2023-04-01 03:09:23,131 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudio535DeviceControl [2023-04-01 03:09:23,131 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudio435DeviceControl [2023-04-01 03:09:23,131 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioAtapiDeviceControl [2023-04-01 03:09:23,131 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioHPCdrDeviceControl [2023-04-01 03:09:23,132 INFO L130 BoogieDeclarations]: Found specification of procedure HpCdrProcessLastSession [2023-04-01 03:09:23,132 INFO L130 BoogieDeclarations]: Found specification of procedure HPCdrCompletion [2023-04-01 03:09:23,132 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioPower [2023-04-01 03:09:23,132 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioForwardIrpSynchronous [2023-04-01 03:09:23,132 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioUnload [2023-04-01 03:09:23,132 INFO L130 BoogieDeclarations]: Found specification of procedure SendSrbSynchronous [2023-04-01 03:09:23,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-01 03:09:23,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 03:09:23,132 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioAddDevice [2023-04-01 03:09:23,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-04-01 03:09:23,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-01 03:09:23,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-01 03:09:23,132 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioSignalCompletion [2023-04-01 03:09:23,132 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioStartDevice [2023-04-01 03:09:23,132 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioPnp [2023-04-01 03:09:23,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-04-01 03:09:23,132 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2023-04-01 03:09:23,132 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 03:09:23,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-01 03:09:23,133 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_malloc [2023-04-01 03:09:23,133 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2023-04-01 03:09:23,133 INFO L130 BoogieDeclarations]: Found specification of procedure KeAcquireSpinLockRaiseToDpc [2023-04-01 03:09:23,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 03:09:23,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 03:09:23,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 03:09:23,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-04-01 03:09:23,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-04-01 03:09:23,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-04-01 03:09:23,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-04-01 03:09:23,750 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 03:09:23,755 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 03:09:23,786 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-04-01 03:09:23,815 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2023-04-01 03:09:23,815 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2023-04-01 03:09:23,816 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-04-01 03:09:23,822 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2023-04-01 03:09:23,822 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2023-04-01 03:09:23,828 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-04-01 03:09:23,834 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2023-04-01 03:09:23,834 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2023-04-01 03:09:23,834 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-04-01 03:09:23,847 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2023-04-01 03:09:23,848 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2023-04-01 03:09:23,849 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-04-01 03:09:25,987 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##28: assume !false; [2023-04-01 03:09:25,987 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##27: assume false; [2023-04-01 03:09:26,004 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-04-01 03:09:26,012 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2023-04-01 03:09:26,012 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2023-04-01 03:09:26,013 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-04-01 03:09:26,021 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2023-04-01 03:09:26,021 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2023-04-01 03:09:26,022 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-04-01 03:09:26,033 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2023-04-01 03:09:26,033 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2023-04-01 03:09:26,033 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-04-01 03:09:26,044 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2023-04-01 03:09:26,044 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2023-04-01 03:09:26,051 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-04-01 03:09:32,024 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##26: assume !false; [2023-04-01 03:09:32,024 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume false; [2023-04-01 03:09:32,065 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-04-01 03:09:32,213 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##39: assume false; [2023-04-01 03:09:32,213 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##40: assume !false; [2023-04-01 03:09:32,219 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-04-01 03:09:32,223 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2023-04-01 03:09:32,223 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2023-04-01 03:09:32,223 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-04-01 03:09:32,237 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2023-04-01 03:09:32,237 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2023-04-01 03:09:32,237 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-04-01 03:09:32,240 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2023-04-01 03:09:32,240 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2023-04-01 03:09:32,241 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-04-01 03:09:32,246 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2023-04-01 03:09:32,246 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2023-04-01 03:09:32,256 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-04-01 03:09:32,264 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2023-04-01 03:09:32,265 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2023-04-01 03:09:32,265 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-04-01 03:09:32,268 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2023-04-01 03:09:32,269 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2023-04-01 03:09:32,552 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-04-01 03:09:33,537 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##26: assume !false; [2023-04-01 03:09:33,537 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume false; [2023-04-01 03:09:33,546 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-04-01 03:09:35,342 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume false; [2023-04-01 03:09:35,342 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##22: assume !false; [2023-04-01 03:09:35,346 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-04-01 03:09:35,361 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2023-04-01 03:09:35,361 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2023-04-01 03:09:35,376 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-04-01 03:09:35,379 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2023-04-01 03:09:35,379 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2023-04-01 03:09:35,401 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-04-01 03:09:35,462 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##32: assume false; [2023-04-01 03:09:35,462 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##33: assume !false; [2023-04-01 03:09:35,518 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-04-01 03:09:35,521 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2023-04-01 03:09:35,521 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2023-04-01 03:09:35,636 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-04-01 03:09:35,638 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2023-04-01 03:09:35,639 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2023-04-01 03:09:35,639 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-04-01 03:09:36,570 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##28: assume !false; [2023-04-01 03:09:36,570 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##27: assume false; [2023-04-01 03:09:36,574 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-04-01 03:09:36,589 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume !false; [2023-04-01 03:09:36,589 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume false; [2023-04-01 03:09:36,594 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-04-01 03:09:36,604 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2023-04-01 03:09:36,604 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2023-04-01 03:09:36,614 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-04-01 03:09:36,618 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2023-04-01 03:09:36,618 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2023-04-01 03:09:37,222 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-04-01 03:09:37,288 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6: assume !false; [2023-04-01 03:09:37,289 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume false; [2023-04-01 03:09:37,289 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L3709: #res := 0; [2023-04-01 03:09:37,289 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-04-01 03:09:37,294 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2023-04-01 03:09:37,295 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2023-04-01 03:09:37,343 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-04-01 03:09:39,038 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##26: assume !false; [2023-04-01 03:09:39,038 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume false; [2023-04-01 03:09:39,108 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 03:09:41,516 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 03:09:41,517 INFO L302 CfgBuilder]: Removed 16 assume(true) statements. [2023-04-01 03:09:41,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 03:09:41 BoogieIcfgContainer [2023-04-01 03:09:41,522 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 03:09:41,524 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 03:09:41,524 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 03:09:41,527 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 03:09:41,527 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 03:09:21" (1/3) ... [2023-04-01 03:09:41,527 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43193e2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 03:09:41, skipping insertion in model container [2023-04-01 03:09:41,528 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 03:09:22" (2/3) ... [2023-04-01 03:09:41,528 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43193e2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 03:09:41, skipping insertion in model container [2023-04-01 03:09:41,528 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 03:09:41" (3/3) ... [2023-04-01 03:09:41,529 INFO L112 eAbstractionObserver]: Analyzing ICFG cdaudio.i.cil-1.c [2023-04-01 03:09:41,544 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 03:09:41,544 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 03:09:41,637 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 03:09:41,642 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@27a4cdf3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 03:09:41,643 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 03:09:41,651 INFO L276 IsEmpty]: Start isEmpty. Operand has 1010 states, 709 states have (on average 1.5077574047954867) internal successors, (1069), 739 states have internal predecessors, (1069), 248 states have call successors, (248), 43 states have call predecessors, (248), 43 states have return successors, (248), 236 states have call predecessors, (248), 248 states have call successors, (248) [2023-04-01 03:09:41,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-04-01 03:09:41,657 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 03:09:41,658 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 03:09:41,658 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 03:09:41,662 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 03:09:41,662 INFO L85 PathProgramCache]: Analyzing trace with hash -181382987, now seen corresponding path program 1 times [2023-04-01 03:09:41,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 03:09:41,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556515699] [2023-04-01 03:09:41,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 03:09:41,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 03:09:41,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 03:09:42,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 03:09:42,025 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 03:09:42,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556515699] [2023-04-01 03:09:42,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556515699] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 03:09:42,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 03:09:42,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 03:09:42,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248081616] [2023-04-01 03:09:42,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 03:09:42,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 03:09:42,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 03:09:42,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 03:09:42,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 03:09:42,052 INFO L87 Difference]: Start difference. First operand has 1010 states, 709 states have (on average 1.5077574047954867) internal successors, (1069), 739 states have internal predecessors, (1069), 248 states have call successors, (248), 43 states have call predecessors, (248), 43 states have return successors, (248), 236 states have call predecessors, (248), 248 states have call successors, (248) Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-04-01 03:09:43,812 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-01 03:09:44,999 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-01 03:09:47,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-01 03:09:49,287 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-01 03:09:51,977 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-01 03:09:53,993 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-01 03:09:56,161 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-01 03:09:57,388 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-01 03:09:59,425 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-01 03:10:02,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-01 03:10:03,170 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-01 03:10:05,183 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-01 03:10:07,193 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-01 03:10:07,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 03:10:07,194 INFO L93 Difference]: Finished difference Result 989 states and 1511 transitions. [2023-04-01 03:10:07,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 03:10:07,206 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2023-04-01 03:10:07,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 03:10:07,223 INFO L225 Difference]: With dead ends: 989 [2023-04-01 03:10:07,224 INFO L226 Difference]: Without dead ends: 558 [2023-04-01 03:10:07,229 INFO L412 NwaCegarLoop]: 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 [2023-04-01 03:10:07,232 INFO L413 NwaCegarLoop]: 744 mSDtfsCounter, 19 mSDsluCounter, 701 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 7 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 1445 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.0s IncrementalHoareTripleChecker+Time [2023-04-01 03:10:07,233 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 1445 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 189 Invalid, 9 Unknown, 0 Unchecked, 25.0s Time] [2023-04-01 03:10:07,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 558 states. [2023-04-01 03:10:07,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 558 to 558. [2023-04-01 03:10:07,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 558 states, 389 states have (on average 1.4627249357326477) internal successors, (569), 406 states have internal predecessors, (569), 132 states have call successors, (132), 38 states have call predecessors, (132), 36 states have return successors, (115), 115 states have call predecessors, (115), 115 states have call successors, (115) [2023-04-01 03:10:07,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 816 transitions. [2023-04-01 03:10:07,335 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 816 transitions. Word has length 21 [2023-04-01 03:10:07,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 03:10:07,335 INFO L495 AbstractCegarLoop]: Abstraction has 558 states and 816 transitions. [2023-04-01 03:10:07,335 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-04-01 03:10:07,335 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 816 transitions. [2023-04-01 03:10:07,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-04-01 03:10:07,337 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 03:10:07,337 INFO L195 NwaCegarLoop]: 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] [2023-04-01 03:10:07,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 03:10:07,338 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 03:10:07,338 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 03:10:07,338 INFO L85 PathProgramCache]: Analyzing trace with hash -863094066, now seen corresponding path program 1 times [2023-04-01 03:10:07,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 03:10:07,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941718141] [2023-04-01 03:10:07,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 03:10:07,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 03:10:07,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 03:10:07,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 03:10:07,632 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 03:10:07,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941718141] [2023-04-01 03:10:07,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941718141] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 03:10:07,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 03:10:07,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 03:10:07,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462066356] [2023-04-01 03:10:07,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 03:10:07,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 03:10:07,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 03:10:07,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 03:10:07,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 03:10:07,637 INFO L87 Difference]: Start difference. First operand 558 states and 816 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-04-01 03:10:09,817 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-01 03:10:12,006 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-01 03:10:14,083 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-01 03:10:16,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-01 03:10:18,767 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-01 03:10:20,783 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-01 03:10:22,895 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-01 03:10:24,915 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-01 03:10:24,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 03:10:24,931 INFO L93 Difference]: Finished difference Result 1007 states and 1464 transitions. [2023-04-01 03:10:24,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 03:10:24,931 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 24 [2023-04-01 03:10:24,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 03:10:24,937 INFO L225 Difference]: With dead ends: 1007 [2023-04-01 03:10:24,937 INFO L226 Difference]: Without dead ends: 772 [2023-04-01 03:10:24,938 INFO L412 NwaCegarLoop]: 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 [2023-04-01 03:10:24,939 INFO L413 NwaCegarLoop]: 978 mSDtfsCounter, 661 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 12 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 661 SdHoareTripleChecker+Valid, 1333 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.2s IncrementalHoareTripleChecker+Time [2023-04-01 03:10:24,939 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [661 Valid, 1333 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 194 Invalid, 7 Unknown, 0 Unchecked, 17.2s Time] [2023-04-01 03:10:24,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 772 states. [2023-04-01 03:10:25,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 772 to 768. [2023-04-01 03:10:25,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 768 states, 546 states have (on average 1.4578754578754578) internal successors, (796), 557 states have internal predecessors, (796), 166 states have call successors, (166), 58 states have call predecessors, (166), 55 states have return successors, (159), 154 states have call predecessors, (159), 153 states have call successors, (159) [2023-04-01 03:10:25,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 768 states to 768 states and 1121 transitions. [2023-04-01 03:10:25,008 INFO L78 Accepts]: Start accepts. Automaton has 768 states and 1121 transitions. Word has length 24 [2023-04-01 03:10:25,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 03:10:25,008 INFO L495 AbstractCegarLoop]: Abstraction has 768 states and 1121 transitions. [2023-04-01 03:10:25,009 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-04-01 03:10:25,009 INFO L276 IsEmpty]: Start isEmpty. Operand 768 states and 1121 transitions. [2023-04-01 03:10:25,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-04-01 03:10:25,016 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 03:10:25,016 INFO L195 NwaCegarLoop]: 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] [2023-04-01 03:10:25,016 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-01 03:10:25,016 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 03:10:25,017 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 03:10:25,017 INFO L85 PathProgramCache]: Analyzing trace with hash -343483239, now seen corresponding path program 1 times [2023-04-01 03:10:25,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 03:10:25,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474510163] [2023-04-01 03:10:25,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 03:10:25,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 03:10:25,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 03:10:25,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 03:10:25,153 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 03:10:25,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474510163] [2023-04-01 03:10:25,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1474510163] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 03:10:25,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 03:10:25,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 03:10:25,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217887850] [2023-04-01 03:10:25,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 03:10:25,154 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 03:10:25,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 03:10:25,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 03:10:25,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 03:10:25,155 INFO L87 Difference]: Start difference. First operand 768 states and 1121 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-04-01 03:10:27,286 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-01 03:10:29,299 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-01 03:10:31,534 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []