java -ea -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline_WitnessPrinter.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/ntdrivers/cdaudio_true-unreach-call.i.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-61f4311 [2018-11-23 10:55:28,383 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 10:55:28,386 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 10:55:28,405 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 10:55:28,406 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 10:55:28,407 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 10:55:28,408 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 10:55:28,410 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 10:55:28,412 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 10:55:28,413 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 10:55:28,414 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 10:55:28,414 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 10:55:28,415 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 10:55:28,416 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 10:55:28,418 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 10:55:28,418 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 10:55:28,419 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 10:55:28,421 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 10:55:28,424 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 10:55:28,425 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 10:55:28,426 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 10:55:28,428 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 10:55:28,430 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 10:55:28,431 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 10:55:28,431 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 10:55:28,432 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 10:55:28,433 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 10:55:28,434 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 10:55:28,435 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 10:55:28,436 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 10:55:28,436 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 10:55:28,437 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 10:55:28,437 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 10:55:28,438 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 10:55:28,439 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 10:55:28,439 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 10:55:28,440 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-23 10:55:28,461 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 10:55:28,461 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 10:55:28,462 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 10:55:28,462 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 10:55:28,463 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 10:55:28,463 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 10:55:28,463 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 10:55:28,463 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 10:55:28,464 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 10:55:28,464 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 10:55:28,464 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 10:55:28,464 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 10:55:28,464 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 10:55:28,465 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 10:55:28,465 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 10:55:28,465 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 10:55:28,465 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 10:55:28,465 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 10:55:28,466 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 10:55:28,466 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 10:55:28,466 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 10:55:28,466 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 10:55:28,466 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 10:55:28,467 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 10:55:28,467 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 10:55:28,467 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 10:55:28,467 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 10:55:28,467 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 10:55:28,468 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-23 10:55:28,468 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 10:55:28,468 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 10:55:28,468 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 10:55:28,469 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 10:55:28,513 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 10:55:28,527 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 10:55:28,531 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 10:55:28,533 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 10:55:28,534 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 10:55:28,535 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers/cdaudio_true-unreach-call.i.cil.c [2018-11-23 10:55:28,607 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b3280d29/95ee379945354524a8fc86e05fa0e61c/FLAG6a7d5ba34 [2018-11-23 10:55:29,481 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 10:55:29,482 INFO L161 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers/cdaudio_true-unreach-call.i.cil.c [2018-11-23 10:55:29,538 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b3280d29/95ee379945354524a8fc86e05fa0e61c/FLAG6a7d5ba34 [2018-11-23 10:55:29,948 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b3280d29/95ee379945354524a8fc86e05fa0e61c [2018-11-23 10:55:29,959 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 10:55:29,961 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 10:55:29,962 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 10:55:29,963 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 10:55:29,967 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 10:55:29,968 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:55:29" (1/1) ... [2018-11-23 10:55:29,972 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46309b6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:55:29, skipping insertion in model container [2018-11-23 10:55:29,972 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:55:29" (1/1) ... [2018-11-23 10:55:29,983 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 10:55:30,173 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 10:55:32,333 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 10:55:32,353 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 10:55:33,087 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 10:55:33,187 INFO L195 MainTranslator]: Completed translation [2018-11-23 10:55:33,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:55:33 WrapperNode [2018-11-23 10:55:33,188 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 10:55:33,189 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 10:55:33,189 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 10:55:33,189 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 10:55:33,199 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:55:33" (1/1) ... [2018-11-23 10:55:33,306 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:55:33" (1/1) ... [2018-11-23 10:55:33,358 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 10:55:33,359 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 10:55:33,359 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 10:55:33,359 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 10:55:33,368 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:55:33" (1/1) ... [2018-11-23 10:55:33,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:55:33" (1/1) ... [2018-11-23 10:55:33,402 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:55:33" (1/1) ... [2018-11-23 10:55:33,403 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:55:33" (1/1) ... [2018-11-23 10:55:33,682 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:55:33" (1/1) ... [2018-11-23 10:55:33,717 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:55:33" (1/1) ... [2018-11-23 10:55:33,753 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:55:33" (1/1) ... [2018-11-23 10:55:33,782 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 10:55:33,783 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 10:55:33,783 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 10:55:33,783 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 10:55:33,784 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:55:33" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 10:55:33,855 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2018-11-23 10:55:33,855 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2018-11-23 10:55:33,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2018-11-23 10:55:33,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2018-11-23 10:55:33,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 10:55:33,856 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-23 10:55:33,856 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2018-11-23 10:55:33,856 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioPower [2018-11-23 10:55:33,856 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioPower [2018-11-23 10:55:33,857 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2018-11-23 10:55:33,857 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2018-11-23 10:55:33,857 INFO L130 BoogieDeclarations]: Found specification of procedure MmLockPagableDataSection [2018-11-23 10:55:33,857 INFO L138 BoogieDeclarations]: Found implementation of procedure MmLockPagableDataSection [2018-11-23 10:55:33,858 INFO L130 BoogieDeclarations]: Found specification of procedure InterlockedDecrement [2018-11-23 10:55:33,858 INFO L138 BoogieDeclarations]: Found implementation of procedure InterlockedDecrement [2018-11-23 10:55:33,858 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioDeviceControl [2018-11-23 10:55:33,859 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioDeviceControl [2018-11-23 10:55:33,859 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioStartDevice [2018-11-23 10:55:33,859 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioStartDevice [2018-11-23 10:55:33,859 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioIsPlayActive [2018-11-23 10:55:33,859 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioIsPlayActive [2018-11-23 10:55:33,859 INFO L130 BoogieDeclarations]: Found specification of procedure IoOpenDeviceRegistryKey [2018-11-23 10:55:33,860 INFO L138 BoogieDeclarations]: Found implementation of procedure IoOpenDeviceRegistryKey [2018-11-23 10:55:33,860 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioHPCdrDeviceControl [2018-11-23 10:55:33,860 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioHPCdrDeviceControl [2018-11-23 10:55:33,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-11-23 10:55:33,860 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2018-11-23 10:55:33,860 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2018-11-23 10:55:33,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2018-11-23 10:55:33,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2018-11-23 10:55:33,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2018-11-23 10:55:33,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-11-23 10:55:33,861 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-11-23 10:55:33,862 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudio535DeviceControl [2018-11-23 10:55:33,862 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudio535DeviceControl [2018-11-23 10:55:33,862 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_malloc [2018-11-23 10:55:33,862 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_malloc [2018-11-23 10:55:33,862 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2018-11-23 10:55:33,862 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2018-11-23 10:55:33,863 INFO L130 BoogieDeclarations]: Found specification of procedure RtlWriteRegistryValue [2018-11-23 10:55:33,863 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlWriteRegistryValue [2018-11-23 10:55:33,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 10:55:33,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 10:55:33,863 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2018-11-23 10:55:33,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2018-11-23 10:55:33,864 INFO L130 BoogieDeclarations]: Found specification of procedure SendSrbSynchronous [2018-11-23 10:55:33,865 INFO L138 BoogieDeclarations]: Found implementation of procedure SendSrbSynchronous [2018-11-23 10:55:33,865 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 10:55:33,865 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 10:55:33,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-23 10:55:33,865 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2018-11-23 10:55:33,865 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2018-11-23 10:55:33,866 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2018-11-23 10:55:33,866 INFO L130 BoogieDeclarations]: Found specification of procedure NecSupportNeeded [2018-11-23 10:55:33,866 INFO L138 BoogieDeclarations]: Found implementation of procedure NecSupportNeeded [2018-11-23 10:55:33,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-23 10:55:33,866 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2018-11-23 10:55:33,867 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2018-11-23 10:55:33,867 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2018-11-23 10:55:33,867 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2018-11-23 10:55:33,867 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioSignalCompletion [2018-11-23 10:55:33,867 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioSignalCompletion [2018-11-23 10:55:33,867 INFO L130 BoogieDeclarations]: Found specification of procedure RtlCompareMemory [2018-11-23 10:55:33,868 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlCompareMemory [2018-11-23 10:55:33,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2018-11-23 10:55:33,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2018-11-23 10:55:33,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2018-11-23 10:55:33,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 10:55:33,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-23 10:55:33,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2018-11-23 10:55:33,871 INFO L130 BoogieDeclarations]: Found specification of procedure PoCallDriver [2018-11-23 10:55:33,871 INFO L138 BoogieDeclarations]: Found implementation of procedure PoCallDriver [2018-11-23 10:55:33,871 INFO L130 BoogieDeclarations]: Found specification of procedure InterlockedIncrement [2018-11-23 10:55:33,871 INFO L138 BoogieDeclarations]: Found implementation of procedure InterlockedIncrement [2018-11-23 10:55:33,871 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2018-11-23 10:55:33,871 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2018-11-23 10:55:33,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2018-11-23 10:55:33,873 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2018-11-23 10:55:33,873 INFO L130 BoogieDeclarations]: Found specification of procedure HPCdrCompletion [2018-11-23 10:55:33,873 INFO L138 BoogieDeclarations]: Found implementation of procedure HPCdrCompletion [2018-11-23 10:55:33,874 INFO L130 BoogieDeclarations]: Found specification of procedure HpCdrProcessLastSession [2018-11-23 10:55:33,874 INFO L138 BoogieDeclarations]: Found implementation of procedure HpCdrProcessLastSession [2018-11-23 10:55:33,875 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioPnp [2018-11-23 10:55:33,875 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioPnp [2018-11-23 10:55:33,875 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioSendToNextDriver [2018-11-23 10:55:33,875 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioSendToNextDriver [2018-11-23 10:55:33,875 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioAtapiDeviceControl [2018-11-23 10:55:33,875 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioAtapiDeviceControl [2018-11-23 10:55:33,876 INFO L130 BoogieDeclarations]: Found specification of procedure ExAllocatePoolWithTag [2018-11-23 10:55:33,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ExAllocatePoolWithTag [2018-11-23 10:55:33,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 10:55:33,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 10:55:33,876 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudio435DeviceControl [2018-11-23 10:55:33,876 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudio435DeviceControl [2018-11-23 10:55:33,878 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioForwardIrpSynchronous [2018-11-23 10:55:33,878 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioForwardIrpSynchronous [2018-11-23 10:55:35,426 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 10:55:35,427 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 10:55:38,641 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 10:55:38,641 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 10:55:42,813 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 10:55:42,813 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 10:55:43,048 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 10:55:43,048 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 10:55:52,795 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 10:55:52,795 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 10:55:55,065 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 10:55:55,065 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 10:56:19,538 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 10:56:19,538 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 10:56:23,496 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 10:56:23,497 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 10:57:10,972 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 10:57:10,973 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 10:57:11,367 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 10:57:11,367 INFO L280 CfgBuilder]: Removed 3 assue(true) statements. [2018-11-23 10:57:11,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:57:11 BoogieIcfgContainer [2018-11-23 10:57:11,368 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 10:57:11,369 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 10:57:11,369 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 10:57:11,372 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 10:57:11,373 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:55:29" (1/3) ... [2018-11-23 10:57:11,374 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ba536a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:57:11, skipping insertion in model container [2018-11-23 10:57:11,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:55:33" (2/3) ... [2018-11-23 10:57:11,374 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ba536a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:57:11, skipping insertion in model container [2018-11-23 10:57:11,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:57:11" (3/3) ... [2018-11-23 10:57:11,376 INFO L112 eAbstractionObserver]: Analyzing ICFG cdaudio_true-unreach-call.i.cil.c [2018-11-23 10:57:11,387 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 10:57:11,396 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 10:57:11,413 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 10:57:11,449 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 10:57:11,450 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 10:57:11,450 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 10:57:11,450 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 10:57:11,450 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 10:57:11,450 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 10:57:11,451 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 10:57:11,451 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 10:57:11,451 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 10:57:11,485 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states. [2018-11-23 10:57:11,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-23 10:57:11,493 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 10:57:11,494 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 10:57:11,497 INFO L423 AbstractCegarLoop]: === Iteration 1 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 10:57:11,503 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 10:57:11,503 INFO L82 PathProgramCache]: Analyzing trace with hash -1569878614, now seen corresponding path program 1 times [2018-11-23 10:57:11,510 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 10:57:11,511 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 10:57:11,583 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 10:57:11,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:57:11,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:57:11,893 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 10:57:12,015 INFO L256 TraceCheckUtils]: 0: Hoare triple {673#true} call ULTIMATE.init(); {673#true} is VALID [2018-11-23 10:57:12,018 INFO L273 TraceCheckUtils]: 1: Hoare triple {673#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];call #t~string25.base, #t~string25.offset := #Ultimate.alloc(15bv32);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(9bv32);call #t~string73.base, #t~string73.offset := #Ultimate.alloc(9bv32);call #t~string75.base, #t~string75.offset := #Ultimate.alloc(15bv32);call #t~string86.base, #t~string86.offset := #Ultimate.alloc(7bv32);call write~init~intINTTYPE1(67bv8, #t~string86.base, #t~string86.offset, 1bv32);call write~init~intINTTYPE1(72bv8, #t~string86.base, ~bvadd32(1bv32, #t~string86.offset), 1bv32);call write~init~intINTTYPE1(73bv8, #t~string86.base, ~bvadd32(2bv32, #t~string86.offset), 1bv32);call write~init~intINTTYPE1(78bv8, #t~string86.base, ~bvadd32(3bv32, #t~string86.offset), 1bv32);call write~init~intINTTYPE1(79bv8, #t~string86.base, ~bvadd32(4bv32, #t~string86.offset), 1bv32);call write~init~intINTTYPE1(78bv8, #t~string86.base, ~bvadd32(5bv32, #t~string86.offset), 1bv32);call write~init~intINTTYPE1(0bv8, #t~string86.base, ~bvadd32(6bv32, #t~string86.offset), 1bv32);call #t~string101.base, #t~string101.offset := #Ultimate.alloc(9bv32);call #t~string103.base, #t~string103.offset := #Ultimate.alloc(17bv32);call #t~string105.base, #t~string105.offset := #Ultimate.alloc(17bv32);call #t~string107.base, #t~string107.offset := #Ultimate.alloc(9bv32);call #t~string109.base, #t~string109.offset := #Ultimate.alloc(9bv32);call #t~string111.base, #t~string111.offset := #Ultimate.alloc(9bv32);call #t~string113.base, #t~string113.offset := #Ultimate.alloc(4bv32);call write~init~intINTTYPE1(82bv8, #t~string113.base, #t~string113.offset, 1bv32);call write~init~intINTTYPE1(85bv8, #t~string113.base, ~bvadd32(1bv32, #t~string113.offset), 1bv32);call write~init~intINTTYPE1(66bv8, #t~string113.base, ~bvadd32(2bv32, #t~string113.offset), 1bv32);call write~init~intINTTYPE1(0bv8, #t~string113.base, ~bvadd32(3bv32, #t~string113.offset), 1bv32);call #t~string115.base, #t~string115.offset := #Ultimate.alloc(9bv32);call #t~string131.base, #t~string131.offset := #Ultimate.alloc(9bv32);call #t~string133.base, #t~string133.offset := #Ultimate.alloc(12bv32);call #t~string139.base, #t~string139.offset := #Ultimate.alloc(15bv32);call #t~string173.base, #t~string173.offset := #Ultimate.alloc(17bv32);call #t~string174.base, #t~string174.offset := #Ultimate.alloc(17bv32);call #t~string175.base, #t~string175.offset := #Ultimate.alloc(17bv32);call #t~string176.base, #t~string176.offset := #Ultimate.alloc(17bv32);call #t~string177.base, #t~string177.offset := #Ultimate.alloc(17bv32);call #t~string178.base, #t~string178.offset := #Ultimate.alloc(17bv32);call #t~string179.base, #t~string179.offset := #Ultimate.alloc(17bv32);call #t~string180.base, #t~string180.offset := #Ultimate.alloc(17bv32);call #t~string181.base, #t~string181.offset := #Ultimate.alloc(17bv32);call #t~string182.base, #t~string182.offset := #Ultimate.alloc(17bv32);call #t~string183.base, #t~string183.offset := #Ultimate.alloc(17bv32);call #t~string184.base, #t~string184.offset := #Ultimate.alloc(17bv32);~s~0 := 0bv32;~UNLOADED~0 := 0bv32;~NP~0 := 0bv32;~DC~0 := 0bv32;~SKIP1~0 := 0bv32;~SKIP2~0 := 0bv32;~MPR1~0 := 0bv32;~MPR3~0 := 0bv32;~IPC~0 := 0bv32;~pended~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32;~routine~0 := 0bv32;~myStatus~0 := 0bv32;~myIrp_PendingReturned~0 := 0bv32;~_SLAM_alloc_dummy~0 := 0bv8;~compFptr~0.base, ~compFptr~0.offset := 0bv32, 0bv32;~pirp~0.base, ~pirp~0.offset := 0bv32, 0bv32; {673#true} is VALID [2018-11-23 10:57:12,019 INFO L273 TraceCheckUtils]: 2: Hoare triple {673#true} assume true; {673#true} is VALID [2018-11-23 10:57:12,020 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {673#true} {673#true} #1999#return; {673#true} is VALID [2018-11-23 10:57:12,020 INFO L256 TraceCheckUtils]: 4: Hoare triple {673#true} call #t~ret1505 := main(); {673#true} is VALID [2018-11-23 10:57:12,020 INFO L273 TraceCheckUtils]: 5: Hoare triple {673#true} havoc ~d~0.Type, ~d~0.Size, ~d~0.DeviceObject.base, ~d~0.DeviceObject.offset, ~d~0.Flags, ~d~0.DriverStart.base, ~d~0.DriverStart.offset, ~d~0.DriverSize, ~d~0.DriverSection.base, ~d~0.DriverSection.offset, ~d~0.DriverExtension.base, ~d~0.DriverExtension.offset, ~d~0.DriverName.Length, ~d~0.DriverName.MaximumLength, ~d~0.DriverName.Buffer.base, ~d~0.DriverName.Buffer.offset, ~d~0.HardwareDatabase.base, ~d~0.HardwareDatabase.offset, ~d~0.FastIoDispatch.base, ~d~0.FastIoDispatch.offset, ~d~0.DriverInit.base, ~d~0.DriverInit.offset, ~d~0.DriverStartIo.base, ~d~0.DriverStartIo.offset, ~d~0.DriverUnload.base, ~d~0.DriverUnload.offset, ~d~0.MajorFunction.base, ~d~0.MajorFunction.offset;~status~15 := #t~nondet1455;havoc #t~nondet1455;call ~#irp~1.base, ~#irp~1.offset := #Ultimate.alloc(111bv32);~we_should_unload~0 := #t~nondet1456;havoc #t~nondet1456;~__BLAST_NONDET___0~0 := #t~nondet1457;havoc #t~nondet1457;~irp_choice~0 := #t~nondet1458;havoc #t~nondet1458;call ~#devobj~0.base, ~#devobj~0.offset := #Ultimate.alloc(175bv32);call #t~malloc1459.base, #t~malloc1459.offset := #Ultimate.alloc(53bv32);call write~$Pointer$(#t~malloc1459.base, #t~malloc1459.offset, ~#devobj~0.base, ~bvadd32(40bv32, ~#devobj~0.offset), 4bv32);call #t~malloc1460.base, #t~malloc1460.offset := #Ultimate.alloc(36bv32);call write~$Pointer$(#t~malloc1460.base, #t~malloc1460.offset, ~#irp~1.base, ~bvadd32(96bv32, ~#irp~1.offset), 4bv32);call #t~malloc1461.base, #t~malloc1461.offset := #Ultimate.alloc(904bv32);call write~$Pointer$(#t~malloc1461.base, #t~malloc1461.offset, ~#irp~1.base, ~bvadd32(12bv32, ~#irp~1.offset), 4bv32);~pirp~0.base, ~pirp~0.offset := ~#irp~1.base, ~#irp~1.offset; {673#true} is VALID [2018-11-23 10:57:12,022 INFO L256 TraceCheckUtils]: 6: Hoare triple {673#true} call _BLAST_init(); {673#true} is VALID [2018-11-23 10:57:12,024 INFO L273 TraceCheckUtils]: 7: Hoare triple {673#true} ~UNLOADED~0 := 0bv32;~NP~0 := 1bv32;~DC~0 := 2bv32;~SKIP1~0 := 3bv32;~SKIP2~0 := 4bv32;~MPR1~0 := 5bv32;~MPR3~0 := 6bv32;~IPC~0 := 7bv32;~s~0 := ~UNLOADED~0;~pended~0 := 0bv32;~compFptr~0.base, ~compFptr~0.offset := 0bv32, 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32; {699#(= ~UNLOADED~0 ~s~0)} is VALID [2018-11-23 10:57:12,026 INFO L273 TraceCheckUtils]: 8: Hoare triple {699#(= ~UNLOADED~0 ~s~0)} assume true; {699#(= ~UNLOADED~0 ~s~0)} is VALID [2018-11-23 10:57:12,027 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {699#(= ~UNLOADED~0 ~s~0)} {673#true} #1795#return; {699#(= ~UNLOADED~0 ~s~0)} is VALID [2018-11-23 10:57:12,032 INFO L273 TraceCheckUtils]: 10: Hoare triple {699#(= ~UNLOADED~0 ~s~0)} assume !~bvsge32(~status~15, 0bv32); {699#(= ~UNLOADED~0 ~s~0)} is VALID [2018-11-23 10:57:12,032 INFO L273 TraceCheckUtils]: 11: Hoare triple {699#(= ~UNLOADED~0 ~s~0)} assume !(1bv32 == ~pended~0); {699#(= ~UNLOADED~0 ~s~0)} is VALID [2018-11-23 10:57:12,034 INFO L273 TraceCheckUtils]: 12: Hoare triple {699#(= ~UNLOADED~0 ~s~0)} assume !(1bv32 == ~pended~0); {699#(= ~UNLOADED~0 ~s~0)} is VALID [2018-11-23 10:57:12,038 INFO L273 TraceCheckUtils]: 13: Hoare triple {699#(= ~UNLOADED~0 ~s~0)} assume !(~s~0 == ~UNLOADED~0); {674#false} is VALID [2018-11-23 10:57:12,039 INFO L273 TraceCheckUtils]: 14: Hoare triple {674#false} assume !(4294967295bv32 == ~status~15); {674#false} is VALID [2018-11-23 10:57:12,039 INFO L273 TraceCheckUtils]: 15: Hoare triple {674#false} assume !(~s~0 != ~SKIP2~0); {674#false} is VALID [2018-11-23 10:57:12,039 INFO L273 TraceCheckUtils]: 16: Hoare triple {674#false} assume 1bv32 == ~pended~0; {674#false} is VALID [2018-11-23 10:57:12,040 INFO L273 TraceCheckUtils]: 17: Hoare triple {674#false} assume 259bv32 != ~status~15; {674#false} is VALID [2018-11-23 10:57:12,040 INFO L256 TraceCheckUtils]: 18: Hoare triple {674#false} call errorFn(); {674#false} is VALID [2018-11-23 10:57:12,040 INFO L273 TraceCheckUtils]: 19: Hoare triple {674#false} assume !false; {674#false} is VALID [2018-11-23 10:57:12,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 10:57:12,045 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 10:57:12,053 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 10:57:12,053 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 10:57:12,058 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2018-11-23 10:57:12,061 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 10:57:12,065 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2018-11-23 10:57:12,235 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 10:57:12,235 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 10:57:12,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 10:57:12,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 10:57:12,248 INFO L87 Difference]: Start difference. First operand 670 states. Second operand 3 states.