/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SHALLOWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/ntdrivers/cdaudio.i.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 02:00:25,849 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 02:00:25,853 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 02:00:25,912 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 02:00:25,912 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 02:00:25,919 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 02:00:25,922 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 02:00:25,927 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 02:00:25,930 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 02:00:25,937 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 02:00:25,939 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 02:00:25,940 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 02:00:25,941 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 02:00:25,944 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 02:00:25,946 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 02:00:25,949 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 02:00:25,950 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 02:00:25,954 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 02:00:25,962 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 02:00:25,981 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 02:00:25,983 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 02:00:25,985 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 02:00:25,987 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 02:00:25,990 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 02:00:25,999 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 02:00:25,999 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 02:00:26,000 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 02:00:26,002 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 02:00:26,003 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 02:00:26,004 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 02:00:26,004 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 02:00:26,005 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 02:00:26,007 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 02:00:26,008 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 02:00:26,009 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 02:00:26,010 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 02:00:26,010 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 02:00:26,011 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 02:00:26,011 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 02:00:26,012 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 02:00:26,013 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 02:00:26,021 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 02:00:26,072 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 02:00:26,073 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 02:00:26,074 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 02:00:26,074 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 02:00:26,075 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 02:00:26,075 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 02:00:26,075 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 02:00:26,075 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 02:00:26,076 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 02:00:26,076 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 02:00:26,076 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 02:00:26,076 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 02:00:26,076 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 02:00:26,077 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 02:00:26,077 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 02:00:26,077 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 02:00:26,077 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 02:00:26,078 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 02:00:26,078 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 02:00:26,078 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 02:00:26,078 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 02:00:26,078 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 02:00:26,079 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 02:00:26,079 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 02:00:26,079 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 02:00:26,079 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 02:00:26,079 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 02:00:26,080 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 02:00:26,080 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 02:00:26,080 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-2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 02:00:26,448 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 02:00:26,478 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 02:00:26,481 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 02:00:26,482 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 02:00:26,483 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 02:00:26,484 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers/cdaudio.i.cil-1.c [2020-10-27 02:00:26,563 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3194c441a/66cd222eb4584b2db4fa18c698eab216/FLAG4a8a3f080 [2020-10-27 02:00:27,674 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 02:00:27,675 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ntdrivers/cdaudio.i.cil-1.c [2020-10-27 02:00:27,753 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3194c441a/66cd222eb4584b2db4fa18c698eab216/FLAG4a8a3f080 [2020-10-27 02:00:28,083 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3194c441a/66cd222eb4584b2db4fa18c698eab216 [2020-10-27 02:00:28,087 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 02:00:28,095 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 02:00:28,099 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 02:00:28,099 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 02:00:28,103 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 02:00:28,104 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:00:28" (1/1) ... [2020-10-27 02:00:28,108 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3986fcc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:00:28, skipping insertion in model container [2020-10-27 02:00:28,109 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:00:28" (1/1) ... [2020-10-27 02:00:28,118 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 02:00:28,311 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 02:00:30,275 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 02:00:30,288 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 02:00:30,981 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 02:00:31,101 INFO L208 MainTranslator]: Completed translation [2020-10-27 02:00:31,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:00:31 WrapperNode [2020-10-27 02:00:31,103 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 02:00:31,104 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 02:00:31,105 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 02:00:31,105 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 02:00:31,119 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:00:31" (1/1) ... [2020-10-27 02:00:31,122 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:00:31" (1/1) ... [2020-10-27 02:00:31,231 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:00:31" (1/1) ... [2020-10-27 02:00:31,231 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:00:31" (1/1) ... [2020-10-27 02:00:31,628 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:00:31" (1/1) ... [2020-10-27 02:00:31,675 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:00:31" (1/1) ... [2020-10-27 02:00:31,721 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:00:31" (1/1) ... [2020-10-27 02:00:31,785 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 02:00:31,788 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 02:00:31,788 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 02:00:31,788 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 02:00:31,789 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:00:31" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-10-27 02:00:31,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 02:00:31,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 02:00:31,877 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 02:00:31,878 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlWriteRegistryValue [2020-10-27 02:00:31,879 INFO L138 BoogieDeclarations]: Found implementation of procedure InterlockedIncrement [2020-10-27 02:00:31,879 INFO L138 BoogieDeclarations]: Found implementation of procedure InterlockedDecrement [2020-10-27 02:00:31,879 INFO L138 BoogieDeclarations]: Found implementation of procedure MmLockPagableDataSection [2020-10-27 02:00:31,880 INFO L138 BoogieDeclarations]: Found implementation of procedure IoOpenDeviceRegistryKey [2020-10-27 02:00:31,880 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2020-10-27 02:00:31,880 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2020-10-27 02:00:31,881 INFO L138 BoogieDeclarations]: Found implementation of procedure SendSrbSynchronous [2020-10-27 02:00:31,881 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioAddDevice [2020-10-27 02:00:31,881 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioSignalCompletion [2020-10-27 02:00:31,882 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioStartDevice [2020-10-27 02:00:31,882 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioPnp [2020-10-27 02:00:31,883 INFO L138 BoogieDeclarations]: Found implementation of procedure DriverEntry [2020-10-27 02:00:31,883 INFO L138 BoogieDeclarations]: Found implementation of procedure NecSupportNeeded [2020-10-27 02:00:31,883 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioReadWrite [2020-10-27 02:00:31,883 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioDeviceControl [2020-10-27 02:00:31,883 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioSendToNextDriver [2020-10-27 02:00:31,883 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioIsPlayActive [2020-10-27 02:00:31,884 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioNECDeviceControl [2020-10-27 02:00:31,884 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioPioneerDeviceControl [2020-10-27 02:00:31,884 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioDenonDeviceControl [2020-10-27 02:00:31,884 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioHitachiSendPauseCommand [2020-10-27 02:00:31,884 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioHitachiDeviceControl [2020-10-27 02:00:31,884 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudio535DeviceControl [2020-10-27 02:00:31,884 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudio435DeviceControl [2020-10-27 02:00:31,885 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioAtapiDeviceControl [2020-10-27 02:00:31,885 INFO L138 BoogieDeclarations]: Found implementation of procedure HpCdrProcessLastSession [2020-10-27 02:00:31,885 INFO L138 BoogieDeclarations]: Found implementation of procedure HPCdrCompletion [2020-10-27 02:00:31,885 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioHPCdrDeviceControl [2020-10-27 02:00:31,885 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioForwardIrpSynchronous [2020-10-27 02:00:31,885 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioUnload [2020-10-27 02:00:31,885 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioPower [2020-10-27 02:00:31,886 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2020-10-27 02:00:31,886 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 02:00:31,886 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_malloc [2020-10-27 02:00:31,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ExAcquireFastMutex [2020-10-27 02:00:31,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ExReleaseFastMutex [2020-10-27 02:00:31,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ExAllocatePoolWithTag [2020-10-27 02:00:31,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ExFreePool [2020-10-27 02:00:31,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ExfInterlockedInsertHeadList [2020-10-27 02:00:31,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ExfInterlockedInsertTailList [2020-10-27 02:00:31,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ExfInterlockedRemoveHeadList [2020-10-27 02:00:31,887 INFO L138 BoogieDeclarations]: Found implementation of procedure IoAllocateMdl [2020-10-27 02:00:31,887 INFO L138 BoogieDeclarations]: Found implementation of procedure IoAttachDeviceToDeviceStack [2020-10-27 02:00:31,887 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildAsynchronousFsdRequest [2020-10-27 02:00:31,887 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2020-10-27 02:00:31,888 INFO L138 BoogieDeclarations]: Found implementation of procedure IoCreateDevice [2020-10-27 02:00:31,888 INFO L138 BoogieDeclarations]: Found implementation of procedure IoCreateSymbolicLink [2020-10-27 02:00:31,888 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteDevice [2020-10-27 02:00:31,888 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteSymbolicLink [2020-10-27 02:00:31,888 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDetachDevice [2020-10-27 02:00:31,889 INFO L138 BoogieDeclarations]: Found implementation of procedure IoFreeIrp [2020-10-27 02:00:31,889 INFO L138 BoogieDeclarations]: Found implementation of procedure IoFreeMdl [2020-10-27 02:00:31,889 INFO L138 BoogieDeclarations]: Found implementation of procedure IoGetConfigurationInformation [2020-10-27 02:00:31,890 INFO L138 BoogieDeclarations]: Found implementation of procedure IoQueryDeviceDescription [2020-10-27 02:00:31,890 INFO L138 BoogieDeclarations]: Found implementation of procedure IoRegisterDeviceInterface [2020-10-27 02:00:31,890 INFO L138 BoogieDeclarations]: Found implementation of procedure IoReleaseCancelSpinLock [2020-10-27 02:00:31,890 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2020-10-27 02:00:31,890 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetHardErrorOrVerifyDevice [2020-10-27 02:00:31,891 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2020-10-27 02:00:31,891 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2020-10-27 02:00:31,891 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2020-10-27 02:00:31,891 INFO L138 BoogieDeclarations]: Found implementation of procedure KeAcquireSpinLockRaiseToDpc [2020-10-27 02:00:31,891 INFO L138 BoogieDeclarations]: Found implementation of procedure KeDelayExecutionThread [2020-10-27 02:00:31,891 INFO L138 BoogieDeclarations]: Found implementation of procedure KeInitializeEvent [2020-10-27 02:00:31,891 INFO L138 BoogieDeclarations]: Found implementation of procedure KeInitializeSemaphore [2020-10-27 02:00:31,892 INFO L138 BoogieDeclarations]: Found implementation of procedure KeInitializeSpinLock [2020-10-27 02:00:31,892 INFO L138 BoogieDeclarations]: Found implementation of procedure KeReleaseSemaphore [2020-10-27 02:00:31,892 INFO L138 BoogieDeclarations]: Found implementation of procedure KfReleaseSpinLock [2020-10-27 02:00:31,894 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2020-10-27 02:00:31,894 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2020-10-27 02:00:31,894 INFO L138 BoogieDeclarations]: Found implementation of procedure MmAllocateContiguousMemory [2020-10-27 02:00:31,894 INFO L138 BoogieDeclarations]: Found implementation of procedure MmFreeContiguousMemory [2020-10-27 02:00:31,894 INFO L138 BoogieDeclarations]: Found implementation of procedure MmMapLockedPagesSpecifyCache [2020-10-27 02:00:31,894 INFO L138 BoogieDeclarations]: Found implementation of procedure MmPageEntireDriver [2020-10-27 02:00:31,895 INFO L138 BoogieDeclarations]: Found implementation of procedure MmResetDriverPaging [2020-10-27 02:00:31,895 INFO L138 BoogieDeclarations]: Found implementation of procedure MmUnlockPages [2020-10-27 02:00:31,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ObReferenceObjectByHandle [2020-10-27 02:00:31,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ObfDereferenceObject [2020-10-27 02:00:31,896 INFO L138 BoogieDeclarations]: Found implementation of procedure PoCallDriver [2020-10-27 02:00:31,897 INFO L138 BoogieDeclarations]: Found implementation of procedure PoStartNextPowerIrp [2020-10-27 02:00:31,897 INFO L138 BoogieDeclarations]: Found implementation of procedure PsCreateSystemThread [2020-10-27 02:00:31,897 INFO L138 BoogieDeclarations]: Found implementation of procedure PsTerminateSystemThread [2020-10-27 02:00:31,897 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlAnsiStringToUnicodeString [2020-10-27 02:00:31,897 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlCompareMemory [2020-10-27 02:00:31,897 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlCopyUnicodeString [2020-10-27 02:00:31,897 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlDeleteRegistryValue [2020-10-27 02:00:31,898 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlFreeUnicodeString [2020-10-27 02:00:31,898 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlInitString [2020-10-27 02:00:31,898 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlInitUnicodeString [2020-10-27 02:00:31,898 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlQueryRegistryValues [2020-10-27 02:00:31,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2020-10-27 02:00:31,899 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-27 02:00:31,899 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-27 02:00:31,899 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 02:00:31,899 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 02:00:31,899 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 02:00:31,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 02:00:31,899 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-27 02:00:31,900 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 02:00:31,900 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-27 02:00:31,900 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-27 02:00:31,900 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 02:00:31,900 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-27 02:00:31,900 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2020-10-27 02:00:31,900 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-27 02:00:31,901 INFO L130 BoogieDeclarations]: Found specification of procedure RtlQueryRegistryValues [2020-10-27 02:00:31,901 INFO L130 BoogieDeclarations]: Found specification of procedure RtlWriteRegistryValue [2020-10-27 02:00:31,901 INFO L130 BoogieDeclarations]: Found specification of procedure RtlDeleteRegistryValue [2020-10-27 02:00:31,901 INFO L130 BoogieDeclarations]: Found specification of procedure RtlInitString [2020-10-27 02:00:31,902 INFO L130 BoogieDeclarations]: Found specification of procedure RtlInitUnicodeString [2020-10-27 02:00:31,903 INFO L130 BoogieDeclarations]: Found specification of procedure RtlAnsiStringToUnicodeString [2020-10-27 02:00:31,903 INFO L130 BoogieDeclarations]: Found specification of procedure RtlCopyUnicodeString [2020-10-27 02:00:31,904 INFO L130 BoogieDeclarations]: Found specification of procedure RtlFreeUnicodeString [2020-10-27 02:00:31,905 INFO L130 BoogieDeclarations]: Found specification of procedure RtlCompareMemory [2020-10-27 02:00:31,905 INFO L130 BoogieDeclarations]: Found specification of procedure InterlockedIncrement [2020-10-27 02:00:31,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 02:00:31,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 02:00:31,906 INFO L130 BoogieDeclarations]: Found specification of procedure InterlockedDecrement [2020-10-27 02:00:31,906 INFO L130 BoogieDeclarations]: Found specification of procedure KeInitializeEvent [2020-10-27 02:00:31,906 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2020-10-27 02:00:31,906 INFO L130 BoogieDeclarations]: Found specification of procedure KeInitializeSemaphore [2020-10-27 02:00:31,906 INFO L130 BoogieDeclarations]: Found specification of procedure KeReleaseSemaphore [2020-10-27 02:00:31,906 INFO L130 BoogieDeclarations]: Found specification of procedure KeDelayExecutionThread [2020-10-27 02:00:31,906 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2020-10-27 02:00:31,907 INFO L130 BoogieDeclarations]: Found specification of procedure KeInitializeSpinLock [2020-10-27 02:00:31,907 INFO L130 BoogieDeclarations]: Found specification of procedure KfReleaseSpinLock [2020-10-27 02:00:31,908 INFO L130 BoogieDeclarations]: Found specification of procedure ExAllocatePoolWithTag [2020-10-27 02:00:31,909 INFO L130 BoogieDeclarations]: Found specification of procedure ExFreePool [2020-10-27 02:00:31,912 INFO L130 BoogieDeclarations]: Found specification of procedure ExAcquireFastMutex [2020-10-27 02:00:31,912 INFO L130 BoogieDeclarations]: Found specification of procedure ExReleaseFastMutex [2020-10-27 02:00:31,913 INFO L130 BoogieDeclarations]: Found specification of procedure ExfInterlockedInsertHeadList [2020-10-27 02:00:31,913 INFO L130 BoogieDeclarations]: Found specification of procedure ExfInterlockedInsertTailList [2020-10-27 02:00:31,913 INFO L130 BoogieDeclarations]: Found specification of procedure ExfInterlockedRemoveHeadList [2020-10-27 02:00:31,914 INFO L130 BoogieDeclarations]: Found specification of procedure MmUnlockPages [2020-10-27 02:00:31,914 INFO L130 BoogieDeclarations]: Found specification of procedure MmMapLockedPagesSpecifyCache [2020-10-27 02:00:31,915 INFO L130 BoogieDeclarations]: Found specification of procedure MmAllocateContiguousMemory [2020-10-27 02:00:31,916 INFO L130 BoogieDeclarations]: Found specification of procedure MmFreeContiguousMemory [2020-10-27 02:00:31,916 INFO L130 BoogieDeclarations]: Found specification of procedure MmLockPagableDataSection [2020-10-27 02:00:31,916 INFO L130 BoogieDeclarations]: Found specification of procedure MmResetDriverPaging [2020-10-27 02:00:31,921 INFO L130 BoogieDeclarations]: Found specification of procedure MmPageEntireDriver [2020-10-27 02:00:31,922 INFO L130 BoogieDeclarations]: Found specification of procedure PsCreateSystemThread [2020-10-27 02:00:31,922 INFO L130 BoogieDeclarations]: Found specification of procedure PsTerminateSystemThread [2020-10-27 02:00:31,922 INFO L130 BoogieDeclarations]: Found specification of procedure IoAllocateMdl [2020-10-27 02:00:31,922 INFO L130 BoogieDeclarations]: Found specification of procedure IoAttachDeviceToDeviceStack [2020-10-27 02:00:31,922 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildAsynchronousFsdRequest [2020-10-27 02:00:31,922 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2020-10-27 02:00:31,922 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2020-10-27 02:00:31,922 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2020-10-27 02:00:31,922 INFO L130 BoogieDeclarations]: Found specification of procedure IoCreateDevice [2020-10-27 02:00:31,923 INFO L130 BoogieDeclarations]: Found specification of procedure IoCreateSymbolicLink [2020-10-27 02:00:31,923 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteDevice [2020-10-27 02:00:31,923 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteSymbolicLink [2020-10-27 02:00:31,923 INFO L130 BoogieDeclarations]: Found specification of procedure IoDetachDevice [2020-10-27 02:00:31,923 INFO L130 BoogieDeclarations]: Found specification of procedure IoFreeIrp [2020-10-27 02:00:31,923 INFO L130 BoogieDeclarations]: Found specification of procedure IoFreeMdl [2020-10-27 02:00:31,923 INFO L130 BoogieDeclarations]: Found specification of procedure IoGetConfigurationInformation [2020-10-27 02:00:31,923 INFO L130 BoogieDeclarations]: Found specification of procedure IoQueryDeviceDescription [2020-10-27 02:00:31,923 INFO L130 BoogieDeclarations]: Found specification of procedure IoReleaseCancelSpinLock [2020-10-27 02:00:31,924 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetHardErrorOrVerifyDevice [2020-10-27 02:00:31,924 INFO L130 BoogieDeclarations]: Found specification of procedure IoOpenDeviceRegistryKey [2020-10-27 02:00:31,924 INFO L130 BoogieDeclarations]: Found specification of procedure IoRegisterDeviceInterface [2020-10-27 02:00:31,924 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2020-10-27 02:00:31,925 INFO L130 BoogieDeclarations]: Found specification of procedure PoCallDriver [2020-10-27 02:00:31,925 INFO L130 BoogieDeclarations]: Found specification of procedure PoStartNextPowerIrp [2020-10-27 02:00:31,925 INFO L130 BoogieDeclarations]: Found specification of procedure ObReferenceObjectByHandle [2020-10-27 02:00:31,925 INFO L130 BoogieDeclarations]: Found specification of procedure ObfDereferenceObject [2020-10-27 02:00:31,925 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2020-10-27 02:00:31,925 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2020-10-27 02:00:31,925 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2020-10-27 02:00:31,925 INFO L130 BoogieDeclarations]: Found specification of procedure DriverEntry [2020-10-27 02:00:31,925 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioReadWrite [2020-10-27 02:00:31,926 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioDeviceControl [2020-10-27 02:00:31,926 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioSendToNextDriver [2020-10-27 02:00:31,926 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioIsPlayActive [2020-10-27 02:00:31,926 INFO L130 BoogieDeclarations]: Found specification of procedure NecSupportNeeded [2020-10-27 02:00:31,926 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioNECDeviceControl [2020-10-27 02:00:31,926 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioPioneerDeviceControl [2020-10-27 02:00:31,926 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioDenonDeviceControl [2020-10-27 02:00:31,926 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioHitachiSendPauseCommand [2020-10-27 02:00:31,927 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioHitachiDeviceControl [2020-10-27 02:00:31,927 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudio535DeviceControl [2020-10-27 02:00:31,927 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudio435DeviceControl [2020-10-27 02:00:31,927 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioAtapiDeviceControl [2020-10-27 02:00:31,927 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioHPCdrDeviceControl [2020-10-27 02:00:31,927 INFO L130 BoogieDeclarations]: Found specification of procedure HpCdrProcessLastSession [2020-10-27 02:00:31,927 INFO L130 BoogieDeclarations]: Found specification of procedure HPCdrCompletion [2020-10-27 02:00:31,927 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioPower [2020-10-27 02:00:31,927 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioForwardIrpSynchronous [2020-10-27 02:00:31,928 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioUnload [2020-10-27 02:00:31,928 INFO L130 BoogieDeclarations]: Found specification of procedure SendSrbSynchronous [2020-10-27 02:00:31,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 02:00:31,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 02:00:31,928 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioAddDevice [2020-10-27 02:00:31,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-27 02:00:31,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 02:00:31,928 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioSignalCompletion [2020-10-27 02:00:31,928 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioStartDevice [2020-10-27 02:00:31,929 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioPnp [2020-10-27 02:00:31,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-27 02:00:31,929 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2020-10-27 02:00:31,929 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 02:00:31,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 02:00:31,929 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_malloc [2020-10-27 02:00:31,929 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2020-10-27 02:00:31,929 INFO L130 BoogieDeclarations]: Found specification of procedure KeAcquireSpinLockRaiseToDpc [2020-10-27 02:00:31,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 02:00:31,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 02:00:31,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 02:00:31,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-27 02:00:31,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-27 02:00:31,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-27 02:00:31,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-27 02:00:33,376 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:00:33,411 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-27 02:00:33,412 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-27 02:00:33,412 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:00:33,422 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-27 02:00:33,422 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-27 02:00:33,432 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:00:33,441 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-27 02:00:33,441 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-27 02:00:33,442 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:00:33,457 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-27 02:00:33,458 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-27 02:00:33,461 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:00:44,742 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##28: assume !false; [2020-10-27 02:00:44,743 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##27: assume false; [2020-10-27 02:00:44,766 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:00:44,776 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-27 02:00:44,776 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-27 02:00:44,777 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:00:44,786 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-27 02:00:44,787 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-27 02:00:44,787 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:00:44,801 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-27 02:00:44,802 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-27 02:00:44,802 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:00:44,816 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-27 02:00:44,816 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-27 02:00:44,821 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:01:09,334 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##26: assume !false; [2020-10-27 02:01:09,334 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume false; [2020-10-27 02:01:09,417 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:01:09,571 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##39: assume false; [2020-10-27 02:01:09,571 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##40: assume !false; [2020-10-27 02:01:09,577 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:01:09,583 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-27 02:01:09,584 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-27 02:01:09,584 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:01:09,610 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2020-10-27 02:01:09,610 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2020-10-27 02:01:09,611 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:01:09,616 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-27 02:01:09,616 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-27 02:01:09,617 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:01:09,624 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-27 02:01:09,624 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-27 02:01:09,637 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:01:09,644 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-27 02:01:09,644 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-27 02:01:09,644 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:01:09,650 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-27 02:01:09,651 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-27 02:01:17,588 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:01:25,042 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##26: assume !false; [2020-10-27 02:01:25,042 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume false; [2020-10-27 02:01:25,056 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:01:40,060 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume false; [2020-10-27 02:01:40,060 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##22: assume !false; [2020-10-27 02:01:40,065 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:01:40,095 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2020-10-27 02:01:40,096 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2020-10-27 02:01:40,316 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:01:40,321 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-27 02:01:40,321 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-27 02:01:40,356 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:01:40,430 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##32: assume false; [2020-10-27 02:01:40,431 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##33: assume !false; [2020-10-27 02:01:40,562 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:01:40,565 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-27 02:01:40,566 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-27 02:01:40,732 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:01:40,737 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-27 02:01:40,737 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-27 02:01:40,738 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:01:51,742 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##28: assume !false; [2020-10-27 02:01:51,742 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##27: assume false; [2020-10-27 02:01:51,750 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:01:51,775 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume !false; [2020-10-27 02:01:51,775 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume false; [2020-10-27 02:01:51,789 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:01:51,801 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2020-10-27 02:01:51,802 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2020-10-27 02:01:51,815 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:01:51,821 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-27 02:01:51,822 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-27 02:01:52,267 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:01:54,449 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6: assume !false; [2020-10-27 02:01:54,449 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume false; [2020-10-27 02:01:54,449 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L3709: #res := 0; [2020-10-27 02:01:54,450 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:01:54,455 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-10-27 02:01:54,455 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-10-27 02:01:56,630 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 02:02:10,986 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##26: assume !false; [2020-10-27 02:02:10,987 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume false; [2020-10-27 02:02:15,820 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 02:02:15,821 INFO L298 CfgBuilder]: Removed 16 assume(true) statements. [2020-10-27 02:02:15,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:02:15 BoogieIcfgContainer [2020-10-27 02:02:15,825 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 02:02:15,827 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 02:02:15,828 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 02:02:15,832 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 02:02:15,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 02:00:28" (1/3) ... [2020-10-27 02:02:15,833 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7acc2da0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:02:15, skipping insertion in model container [2020-10-27 02:02:15,833 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:00:31" (2/3) ... [2020-10-27 02:02:15,833 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7acc2da0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:02:15, skipping insertion in model container [2020-10-27 02:02:15,834 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:02:15" (3/3) ... [2020-10-27 02:02:15,835 INFO L111 eAbstractionObserver]: Analyzing ICFG cdaudio.i.cil-1.c [2020-10-27 02:02:15,851 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 02:02:15,858 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 02:02:15,871 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 02:02:15,918 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 02:02:15,918 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 02:02:15,918 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 02:02:15,918 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 02:02:15,919 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 02:02:15,919 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 02:02:15,919 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 02:02:15,919 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 02:02:15,970 INFO L276 IsEmpty]: Start isEmpty. Operand 1257 states. [2020-10-27 02:02:15,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-27 02:02:15,979 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:02:15,980 INFO L422 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] [2020-10-27 02:02:15,980 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:02:15,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:02:15,986 INFO L82 PathProgramCache]: Analyzing trace with hash 387836702, now seen corresponding path program 1 times [2020-10-27 02:02:15,995 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:02:15,996 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1113430018] [2020-10-27 02:02:15,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:02:16,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:02:16,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:02:16,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:02:16,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:02:16,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:02:17,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:02:17,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:02:17,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:02:17,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:02:19,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:02:19,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-27 02:02:19,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 02:02:19,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2621 [2020-10-27 02:02:19,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:02:19,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:02:19,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 02:02:19,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:02:19,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 02:02:19,674 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 268 [2020-10-27 02:02:19,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:02:19,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:02:19,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:02:19,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:02:19,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:02:19,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:02:19,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-27 02:02:19,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:02:19,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:02:19,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:02:19,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:02:19,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:02:19,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:02:19,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:02:19,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:02:19,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:02:19,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:02:19,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:02:19,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-27 02:02:19,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:02:19,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:02:19,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:02:19,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:02:19,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-27 02:02:19,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 02:02:19,946 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1113430018] [2020-10-27 02:02:19,949 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 02:02:19,949 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-27 02:02:19,950 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95002404] [2020-10-27 02:02:19,955 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-27 02:02:19,955 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:02:19,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-27 02:02:19,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-27 02:02:19,971 INFO L87 Difference]: Start difference. First operand 1257 states. Second operand 4 states. [2020-10-27 02:03:26,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:03:26,889 INFO L93 Difference]: Finished difference Result 1465 states and 2313 transitions. [2020-10-27 02:03:26,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-27 02:03:26,894 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 27 [2020-10-27 02:03:26,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:03:26,924 INFO L225 Difference]: With dead ends: 1465 [2020-10-27 02:03:26,925 INFO L226 Difference]: Without dead ends: 784 [2020-10-27 02:03:26,939 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-27 02:03:26,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 784 states. [2020-10-27 02:03:27,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 784 to 672. [2020-10-27 02:03:27,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 672 states. [2020-10-27 02:03:27,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 983 transitions. [2020-10-27 02:03:27,157 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 983 transitions. Word has length 27 [2020-10-27 02:03:27,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:03:27,157 INFO L481 AbstractCegarLoop]: Abstraction has 672 states and 983 transitions. [2020-10-27 02:03:27,158 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-27 02:03:27,158 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 983 transitions. [2020-10-27 02:03:27,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-27 02:03:27,159 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:03:27,159 INFO L422 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] [2020-10-27 02:03:27,160 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 02:03:27,160 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:03:27,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:03:27,161 INFO L82 PathProgramCache]: Analyzing trace with hash 361671564, now seen corresponding path program 1 times [2020-10-27 02:03:27,161 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:03:27,161 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [734794200] [2020-10-27 02:03:27,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:03:27,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:03:27,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:03:27,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:03:27,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:03:27,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:03:27,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:03:27,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:03:27,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:03:28,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:03:32,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:03:32,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-27 02:03:32,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 02:03:32,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-10-27 02:03:32,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:03:32,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:03:32,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 02:03:32,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 02:03:32,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:03:32,783 WARN L193 SmtUtils]: Spent 462.00 ms on a formula simplification that was a NOOP. DAG size: 268 [2020-10-27 02:03:32,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:03:32,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:03:32,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:03:32,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:03:32,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:03:32,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:03:32,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-27 02:03:32,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:03:32,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:03:32,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:03:32,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:03:32,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:03:32,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:03:32,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:03:32,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:03:32,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:03:32,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:03:32,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:03:32,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 02:03:32,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:03:32,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:03:32,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:03:32,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:03:32,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:03:32,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 02:03:32,985 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [734794200] [2020-10-27 02:03:32,985 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 02:03:32,985 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-27 02:03:32,986 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767990015] [2020-10-27 02:03:32,987 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 02:03:32,988 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:03:32,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 02:03:32,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 02:03:32,990 INFO L87 Difference]: Start difference. First operand 672 states and 983 transitions. Second operand 5 states. [2020-10-27 02:04:26,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:04:26,804 INFO L93 Difference]: Finished difference Result 1400 states and 2081 transitions. [2020-10-27 02:04:26,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 02:04:26,805 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2020-10-27 02:04:26,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:04:26,814 INFO L225 Difference]: With dead ends: 1400 [2020-10-27 02:04:26,815 INFO L226 Difference]: Without dead ends: 736 [2020-10-27 02:04:26,818 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-27 02:04:26,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 736 states. [2020-10-27 02:04:26,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 736 to 675. [2020-10-27 02:04:26,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 675 states. [2020-10-27 02:04:26,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 675 states and 986 transitions. [2020-10-27 02:04:26,919 INFO L78 Accepts]: Start accepts. Automaton has 675 states and 986 transitions. Word has length 27 [2020-10-27 02:04:26,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:04:26,920 INFO L481 AbstractCegarLoop]: Abstraction has 675 states and 986 transitions. [2020-10-27 02:04:26,920 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 02:04:26,920 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 986 transitions. [2020-10-27 02:04:26,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-10-27 02:04:26,922 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:04:26,922 INFO L422 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] [2020-10-27 02:04:26,922 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 02:04:26,923 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:04:26,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:04:26,923 INFO L82 PathProgramCache]: Analyzing trace with hash -1919769626, now seen corresponding path program 1 times [2020-10-27 02:04:26,923 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:04:26,925 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1158271889] [2020-10-27 02:04:26,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:04:26,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:04:27,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:04:27,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:04:27,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:04:27,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:04:28,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:04:28,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:04:28,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:04:29,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:04:32,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:04:32,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 02:04:32,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 02:04:32,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-27 02:04:32,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:04:32,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:04:32,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 02:04:32,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:04:32,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:04:32,593 WARN L193 SmtUtils]: Spent 498.00 ms on a formula simplification that was a NOOP. DAG size: 268 [2020-10-27 02:04:32,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:04:32,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:04:32,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:04:32,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:04:32,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:04:32,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:04:32,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 151 [2020-10-27 02:04:32,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:04:32,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:04:32,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:04:32,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:04:32,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:04:32,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:04:32,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:04:32,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:04:32,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:04:32,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:04:32,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:04:32,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 02:04:32,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:04:32,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:04:32,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:04:32,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:04:32,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:04:32,895 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-27 02:04:32,896 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1158271889] [2020-10-27 02:04:32,896 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 02:04:32,896 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-27 02:04:32,896 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640162034] [2020-10-27 02:04:32,897 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 02:04:32,897 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:04:32,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 02:04:32,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-27 02:04:32,899 INFO L87 Difference]: Start difference. First operand 675 states and 986 transitions. Second operand 6 states.