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_false-unreach-call.i.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-61f4311 [2018-11-23 10:54:57,624 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 10:54:57,626 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 10:54:57,642 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 10:54:57,642 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 10:54:57,643 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 10:54:57,645 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 10:54:57,648 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 10:54:57,650 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 10:54:57,651 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 10:54:57,652 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 10:54:57,652 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 10:54:57,653 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 10:54:57,654 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 10:54:57,656 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 10:54:57,656 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 10:54:57,657 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 10:54:57,659 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 10:54:57,661 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 10:54:57,663 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 10:54:57,664 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 10:54:57,666 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 10:54:57,668 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 10:54:57,669 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 10:54:57,669 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 10:54:57,670 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 10:54:57,671 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 10:54:57,672 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 10:54:57,673 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 10:54:57,674 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 10:54:57,675 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 10:54:57,675 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 10:54:57,676 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 10:54:57,676 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 10:54:57,677 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 10:54:57,678 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 10:54:57,678 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 10:54:57,697 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 10:54:57,698 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 10:54:57,699 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 10:54:57,699 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 10:54:57,700 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 10:54:57,700 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 10:54:57,700 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 10:54:57,700 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 10:54:57,701 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 10:54:57,701 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 10:54:57,701 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 10:54:57,701 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 10:54:57,701 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 10:54:57,702 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 10:54:57,702 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 10:54:57,702 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 10:54:57,702 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 10:54:57,702 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 10:54:57,703 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 10:54:57,703 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 10:54:57,703 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 10:54:57,703 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 10:54:57,703 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 10:54:57,704 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 10:54:57,704 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 10:54:57,704 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 10:54:57,704 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 10:54:57,704 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 10:54:57,705 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-23 10:54:57,705 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 10:54:57,705 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 10:54:57,705 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 10:54:57,705 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 10:54:57,759 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 10:54:57,776 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 10:54:57,779 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 10:54:57,781 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 10:54:57,781 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 10:54:57,782 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers/cdaudio_false-unreach-call.i.cil.c [2018-11-23 10:54:57,846 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf6afa69c/8b857c3bb5324fe2888da7ae7ed151f2/FLAGa0590f7a5 [2018-11-23 10:54:58,674 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 10:54:58,675 INFO L161 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers/cdaudio_false-unreach-call.i.cil.c [2018-11-23 10:54:58,736 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf6afa69c/8b857c3bb5324fe2888da7ae7ed151f2/FLAGa0590f7a5 [2018-11-23 10:54:59,207 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf6afa69c/8b857c3bb5324fe2888da7ae7ed151f2 [2018-11-23 10:54:59,218 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 10:54:59,220 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 10:54:59,221 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 10:54:59,221 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 10:54:59,225 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 10:54:59,227 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:54:59" (1/1) ... [2018-11-23 10:54:59,230 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74a707f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:54:59, skipping insertion in model container [2018-11-23 10:54:59,230 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:54:59" (1/1) ... [2018-11-23 10:54:59,241 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 10:54:59,387 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 10:55:01,557 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 10:55:01,576 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 10:55:02,269 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 10:55:02,395 INFO L195 MainTranslator]: Completed translation [2018-11-23 10:55:02,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:55:02 WrapperNode [2018-11-23 10:55:02,395 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 10:55:02,397 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 10:55:02,397 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 10:55:02,397 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 10:55:02,408 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:55:02" (1/1) ... [2018-11-23 10:55:02,549 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:55:02" (1/1) ... [2018-11-23 10:55:02,618 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 10:55:02,618 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 10:55:02,618 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 10:55:02,619 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 10:55:02,631 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:55:02" (1/1) ... [2018-11-23 10:55:02,632 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:55:02" (1/1) ... [2018-11-23 10:55:02,653 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:55:02" (1/1) ... [2018-11-23 10:55:02,654 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:55:02" (1/1) ... [2018-11-23 10:55:03,019 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:55:02" (1/1) ... [2018-11-23 10:55:03,061 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:55:02" (1/1) ... [2018-11-23 10:55:03,097 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:55:02" (1/1) ... [2018-11-23 10:55:03,124 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 10:55:03,125 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 10:55:03,125 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 10:55:03,125 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 10:55:03,126 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:55:02" (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 10:55:03,203 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2018-11-23 10:55:03,204 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2018-11-23 10:55:03,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2018-11-23 10:55:03,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2018-11-23 10:55:03,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 10:55:03,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-23 10:55:03,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2018-11-23 10:55:03,205 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioPower [2018-11-23 10:55:03,205 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioPower [2018-11-23 10:55:03,205 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2018-11-23 10:55:03,206 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2018-11-23 10:55:03,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-11-23 10:55:03,206 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-11-23 10:55:03,208 INFO L130 BoogieDeclarations]: Found specification of procedure MmLockPagableDataSection [2018-11-23 10:55:03,208 INFO L138 BoogieDeclarations]: Found implementation of procedure MmLockPagableDataSection [2018-11-23 10:55:03,208 INFO L130 BoogieDeclarations]: Found specification of procedure InterlockedDecrement [2018-11-23 10:55:03,208 INFO L138 BoogieDeclarations]: Found implementation of procedure InterlockedDecrement [2018-11-23 10:55:03,208 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioDeviceControl [2018-11-23 10:55:03,209 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioDeviceControl [2018-11-23 10:55:03,209 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioStartDevice [2018-11-23 10:55:03,209 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioStartDevice [2018-11-23 10:55:03,209 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioIsPlayActive [2018-11-23 10:55:03,209 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioIsPlayActive [2018-11-23 10:55:03,209 INFO L130 BoogieDeclarations]: Found specification of procedure IoOpenDeviceRegistryKey [2018-11-23 10:55:03,210 INFO L138 BoogieDeclarations]: Found implementation of procedure IoOpenDeviceRegistryKey [2018-11-23 10:55:03,210 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioHPCdrDeviceControl [2018-11-23 10:55:03,210 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioHPCdrDeviceControl [2018-11-23 10:55:03,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-11-23 10:55:03,211 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2018-11-23 10:55:03,211 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2018-11-23 10:55:03,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2018-11-23 10:55:03,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2018-11-23 10:55:03,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2018-11-23 10:55:03,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-11-23 10:55:03,212 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-11-23 10:55:03,212 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudio535DeviceControl [2018-11-23 10:55:03,212 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudio535DeviceControl [2018-11-23 10:55:03,212 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_malloc [2018-11-23 10:55:03,212 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_malloc [2018-11-23 10:55:03,213 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2018-11-23 10:55:03,213 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2018-11-23 10:55:03,213 INFO L130 BoogieDeclarations]: Found specification of procedure RtlWriteRegistryValue [2018-11-23 10:55:03,213 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlWriteRegistryValue [2018-11-23 10:55:03,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 10:55:03,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 10:55:03,214 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2018-11-23 10:55:03,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2018-11-23 10:55:03,214 INFO L130 BoogieDeclarations]: Found specification of procedure SendSrbSynchronous [2018-11-23 10:55:03,214 INFO L138 BoogieDeclarations]: Found implementation of procedure SendSrbSynchronous [2018-11-23 10:55:03,214 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 10:55:03,214 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 10:55:03,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-23 10:55:03,215 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2018-11-23 10:55:03,216 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2018-11-23 10:55:03,216 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2018-11-23 10:55:03,216 INFO L130 BoogieDeclarations]: Found specification of procedure NecSupportNeeded [2018-11-23 10:55:03,216 INFO L138 BoogieDeclarations]: Found implementation of procedure NecSupportNeeded [2018-11-23 10:55:03,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-23 10:55:03,216 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2018-11-23 10:55:03,217 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2018-11-23 10:55:03,217 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2018-11-23 10:55:03,217 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2018-11-23 10:55:03,217 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioSignalCompletion [2018-11-23 10:55:03,217 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioSignalCompletion [2018-11-23 10:55:03,217 INFO L130 BoogieDeclarations]: Found specification of procedure RtlCompareMemory [2018-11-23 10:55:03,219 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlCompareMemory [2018-11-23 10:55:03,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2018-11-23 10:55:03,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2018-11-23 10:55:03,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2018-11-23 10:55:03,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 10:55:03,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-23 10:55:03,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2018-11-23 10:55:03,220 INFO L130 BoogieDeclarations]: Found specification of procedure PoCallDriver [2018-11-23 10:55:03,221 INFO L138 BoogieDeclarations]: Found implementation of procedure PoCallDriver [2018-11-23 10:55:03,221 INFO L130 BoogieDeclarations]: Found specification of procedure InterlockedIncrement [2018-11-23 10:55:03,221 INFO L138 BoogieDeclarations]: Found implementation of procedure InterlockedIncrement [2018-11-23 10:55:03,221 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2018-11-23 10:55:03,221 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2018-11-23 10:55:03,221 INFO L130 BoogieDeclarations]: Found specification of procedure HPCdrCompletion [2018-11-23 10:55:03,222 INFO L138 BoogieDeclarations]: Found implementation of procedure HPCdrCompletion [2018-11-23 10:55:03,222 INFO L130 BoogieDeclarations]: Found specification of procedure HpCdrProcessLastSession [2018-11-23 10:55:03,222 INFO L138 BoogieDeclarations]: Found implementation of procedure HpCdrProcessLastSession [2018-11-23 10:55:03,222 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioPnp [2018-11-23 10:55:03,222 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioPnp [2018-11-23 10:55:03,223 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioSendToNextDriver [2018-11-23 10:55:03,223 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioSendToNextDriver [2018-11-23 10:55:03,223 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioAtapiDeviceControl [2018-11-23 10:55:03,223 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioAtapiDeviceControl [2018-11-23 10:55:03,223 INFO L130 BoogieDeclarations]: Found specification of procedure ExAllocatePoolWithTag [2018-11-23 10:55:03,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ExAllocatePoolWithTag [2018-11-23 10:55:03,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 10:55:03,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 10:55:03,224 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudio435DeviceControl [2018-11-23 10:55:03,224 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudio435DeviceControl [2018-11-23 10:55:03,225 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioForwardIrpSynchronous [2018-11-23 10:55:03,225 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioForwardIrpSynchronous [2018-11-23 10:55:04,915 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 10:55:04,916 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 10:55:09,068 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 10:55:09,068 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 10:55:12,918 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 10:55:12,919 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 10:55:13,608 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 10:55:13,608 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 10:55:22,872 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 10:55:22,872 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 10:55:25,404 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 10:55:25,405 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 10:55:49,707 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 10:55:49,707 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 10:55:53,627 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 10:55:53,627 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 10:56:37,787 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 10:56:37,787 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 10:56:38,044 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 10:56:38,045 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-11-23 10:56:38,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:56:38 BoogieIcfgContainer [2018-11-23 10:56:38,045 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 10:56:38,046 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 10:56:38,047 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 10:56:38,050 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 10:56:38,050 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:54:59" (1/3) ... [2018-11-23 10:56:38,051 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@117621c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:56:38, skipping insertion in model container [2018-11-23 10:56:38,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:55:02" (2/3) ... [2018-11-23 10:56:38,052 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@117621c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:56:38, skipping insertion in model container [2018-11-23 10:56:38,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:56:38" (3/3) ... [2018-11-23 10:56:38,054 INFO L112 eAbstractionObserver]: Analyzing ICFG cdaudio_false-unreach-call.i.cil.c [2018-11-23 10:56:38,065 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 10:56:38,077 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 10:56:38,096 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 10:56:38,143 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 10:56:38,144 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 10:56:38,144 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 10:56:38,144 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 10:56:38,144 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 10:56:38,145 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 10:56:38,145 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 10:56:38,145 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 10:56:38,145 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 10:56:38,183 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states. [2018-11-23 10:56:38,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-23 10:56:38,192 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 10:56:38,193 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, 1, 1, 1, 1, 1, 1] [2018-11-23 10:56:38,196 INFO L423 AbstractCegarLoop]: === Iteration 1 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 10:56:38,202 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 10:56:38,203 INFO L82 PathProgramCache]: Analyzing trace with hash 693326480, now seen corresponding path program 1 times [2018-11-23 10:56:38,210 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 10:56:38,211 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 10:56:38,365 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 10:56:38,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:56:38,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:56:38,708 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 10:56:38,999 INFO L256 TraceCheckUtils]: 0: Hoare triple {681#true} call ULTIMATE.init(); {681#true} is VALID [2018-11-23 10:56:39,004 INFO L273 TraceCheckUtils]: 1: Hoare triple {681#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(15bv32);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(9bv32);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(9bv32);call #t~string72.base, #t~string72.offset := #Ultimate.alloc(15bv32);call #t~string83.base, #t~string83.offset := #Ultimate.alloc(7bv32);call write~init~intINTTYPE1(67bv8, #t~string83.base, #t~string83.offset, 1bv32);call write~init~intINTTYPE1(72bv8, #t~string83.base, ~bvadd32(1bv32, #t~string83.offset), 1bv32);call write~init~intINTTYPE1(73bv8, #t~string83.base, ~bvadd32(2bv32, #t~string83.offset), 1bv32);call write~init~intINTTYPE1(78bv8, #t~string83.base, ~bvadd32(3bv32, #t~string83.offset), 1bv32);call write~init~intINTTYPE1(79bv8, #t~string83.base, ~bvadd32(4bv32, #t~string83.offset), 1bv32);call write~init~intINTTYPE1(78bv8, #t~string83.base, ~bvadd32(5bv32, #t~string83.offset), 1bv32);call write~init~intINTTYPE1(0bv8, #t~string83.base, ~bvadd32(6bv32, #t~string83.offset), 1bv32);call #t~string98.base, #t~string98.offset := #Ultimate.alloc(9bv32);call #t~string100.base, #t~string100.offset := #Ultimate.alloc(17bv32);call #t~string102.base, #t~string102.offset := #Ultimate.alloc(17bv32);call #t~string104.base, #t~string104.offset := #Ultimate.alloc(9bv32);call #t~string106.base, #t~string106.offset := #Ultimate.alloc(9bv32);call #t~string108.base, #t~string108.offset := #Ultimate.alloc(9bv32);call #t~string110.base, #t~string110.offset := #Ultimate.alloc(4bv32);call write~init~intINTTYPE1(82bv8, #t~string110.base, #t~string110.offset, 1bv32);call write~init~intINTTYPE1(85bv8, #t~string110.base, ~bvadd32(1bv32, #t~string110.offset), 1bv32);call write~init~intINTTYPE1(66bv8, #t~string110.base, ~bvadd32(2bv32, #t~string110.offset), 1bv32);call write~init~intINTTYPE1(0bv8, #t~string110.base, ~bvadd32(3bv32, #t~string110.offset), 1bv32);call #t~string112.base, #t~string112.offset := #Ultimate.alloc(9bv32);call #t~string128.base, #t~string128.offset := #Ultimate.alloc(9bv32);call #t~string130.base, #t~string130.offset := #Ultimate.alloc(12bv32);call #t~string136.base, #t~string136.offset := #Ultimate.alloc(15bv32);call #t~string170.base, #t~string170.offset := #Ultimate.alloc(17bv32);call #t~string171.base, #t~string171.offset := #Ultimate.alloc(17bv32);call #t~string172.base, #t~string172.offset := #Ultimate.alloc(17bv32);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);~__BLAST_NONDET~0 := 0bv32;~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; {681#true} is VALID [2018-11-23 10:56:39,005 INFO L273 TraceCheckUtils]: 2: Hoare triple {681#true} assume true; {681#true} is VALID [2018-11-23 10:56:39,005 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {681#true} {681#true} #2035#return; {681#true} is VALID [2018-11-23 10:56:39,005 INFO L256 TraceCheckUtils]: 4: Hoare triple {681#true} call #t~ret1513 := main(); {681#true} is VALID [2018-11-23 10:56:39,006 INFO L273 TraceCheckUtils]: 5: Hoare triple {681#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~nondet1452;havoc #t~nondet1452;call ~#irp~1.base, ~#irp~1.offset := #Ultimate.alloc(111bv32);~we_should_unload~0 := #t~nondet1453;havoc #t~nondet1453;~__BLAST_NONDET___0~0 := #t~nondet1454;havoc #t~nondet1454;~irp_choice~0 := #t~nondet1455;havoc #t~nondet1455;call ~#devobj~0.base, ~#devobj~0.offset := #Ultimate.alloc(175bv32);call #t~malloc1456.base, #t~malloc1456.offset := #Ultimate.alloc(53bv32);call write~$Pointer$(#t~malloc1456.base, #t~malloc1456.offset, ~#devobj~0.base, ~bvadd32(40bv32, ~#devobj~0.offset), 4bv32);call #t~malloc1457.base, #t~malloc1457.offset := #Ultimate.alloc(36bv32);call write~$Pointer$(#t~malloc1457.base, #t~malloc1457.offset, ~#irp~1.base, ~bvadd32(96bv32, ~#irp~1.offset), 4bv32);call #t~malloc1458.base, #t~malloc1458.offset := #Ultimate.alloc(904bv32);call write~$Pointer$(#t~malloc1458.base, #t~malloc1458.offset, ~#irp~1.base, ~bvadd32(12bv32, ~#irp~1.offset), 4bv32);havoc ~a~0;~a~0 := 0bv32; {681#true} is VALID [2018-11-23 10:56:39,019 INFO L273 TraceCheckUtils]: 6: Hoare triple {681#true} assume !true; {682#false} is VALID [2018-11-23 10:56:39,019 INFO L273 TraceCheckUtils]: 7: Hoare triple {682#false} ~a~0 := 0bv32; {682#false} is VALID [2018-11-23 10:56:39,020 INFO L273 TraceCheckUtils]: 8: Hoare triple {682#false} assume !true; {682#false} is VALID [2018-11-23 10:56:39,020 INFO L273 TraceCheckUtils]: 9: Hoare triple {682#false} ~a~0 := 0bv32; {682#false} is VALID [2018-11-23 10:56:39,021 INFO L273 TraceCheckUtils]: 10: Hoare triple {682#false} assume !~bvslt32(~a~0, 904bv32); {682#false} is VALID [2018-11-23 10:56:39,021 INFO L273 TraceCheckUtils]: 11: Hoare triple {682#false} ~pirp~0.base, ~pirp~0.offset := ~#irp~1.base, ~#irp~1.offset; {682#false} is VALID [2018-11-23 10:56:39,021 INFO L256 TraceCheckUtils]: 12: Hoare triple {682#false} call _BLAST_init(); {682#false} is VALID [2018-11-23 10:56:39,021 INFO L273 TraceCheckUtils]: 13: Hoare triple {682#false} ~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; {682#false} is VALID [2018-11-23 10:56:39,022 INFO L273 TraceCheckUtils]: 14: Hoare triple {682#false} assume true; {682#false} is VALID [2018-11-23 10:56:39,022 INFO L268 TraceCheckUtils]: 15: Hoare quadruple {682#false} {682#false} #1831#return; {682#false} is VALID [2018-11-23 10:56:39,022 INFO L273 TraceCheckUtils]: 16: Hoare triple {682#false} assume !~bvsge32(~status~15, 0bv32); {682#false} is VALID [2018-11-23 10:56:39,023 INFO L273 TraceCheckUtils]: 17: Hoare triple {682#false} assume !(1bv32 == ~pended~0); {682#false} is VALID [2018-11-23 10:56:39,023 INFO L273 TraceCheckUtils]: 18: Hoare triple {682#false} assume !(1bv32 == ~pended~0); {682#false} is VALID [2018-11-23 10:56:39,023 INFO L273 TraceCheckUtils]: 19: Hoare triple {682#false} assume !(~s~0 == ~UNLOADED~0); {682#false} is VALID [2018-11-23 10:56:39,024 INFO L273 TraceCheckUtils]: 20: Hoare triple {682#false} assume !(4294967295bv32 == ~status~15); {682#false} is VALID [2018-11-23 10:56:39,024 INFO L273 TraceCheckUtils]: 21: Hoare triple {682#false} assume !(~s~0 != ~SKIP2~0); {682#false} is VALID [2018-11-23 10:56:39,024 INFO L273 TraceCheckUtils]: 22: Hoare triple {682#false} assume !(1bv32 == ~pended~0); {682#false} is VALID [2018-11-23 10:56:39,025 INFO L273 TraceCheckUtils]: 23: Hoare triple {682#false} assume ~s~0 == ~DC~0; {682#false} is VALID [2018-11-23 10:56:39,025 INFO L256 TraceCheckUtils]: 24: Hoare triple {682#false} call errorFn(); {682#false} is VALID [2018-11-23 10:56:39,025 INFO L273 TraceCheckUtils]: 25: Hoare triple {682#false} assume !false; {682#false} is VALID [2018-11-23 10:56:39,031 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 10:56:39,032 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 10:56:39,036 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 10:56:39,036 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 10:56:39,042 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 26 [2018-11-23 10:56:39,050 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 10:56:39,056 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2018-11-23 10:56:39,487 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 26 edges. 26 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 10:56:39,488 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 10:56:39,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 10:56:39,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 10:56:39,505 INFO L87 Difference]: Start difference. First operand 678 states. Second operand 2 states. [2018-11-23 10:58:10,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:58:10,917 INFO L93 Difference]: Finished difference Result 1346 states and 2087 transitions. [2018-11-23 10:58:10,918 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 10:58:10,918 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 26 [2018-11-23 10:58:10,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 10:58:10,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2018-11-23 10:58:10,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 2087 transitions. [2018-11-23 10:58:10,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2018-11-23 10:58:11,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 2087 transitions. [2018-11-23 10:58:11,050 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 2087 transitions. [2018-11-23 10:58:16,454 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 2087 edges. 2087 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 10:58:16,580 INFO L225 Difference]: With dead ends: 1346 [2018-11-23 10:58:16,580 INFO L226 Difference]: Without dead ends: 670 [2018-11-23 10:58:16,592 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 10:58:16,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 670 states. [2018-11-23 10:58:16,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 670 to 670. [2018-11-23 10:58:16,919 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 10:58:16,919 INFO L82 GeneralOperation]: Start isEquivalent. First operand 670 states. Second operand 670 states. [2018-11-23 10:58:16,920 INFO L74 IsIncluded]: Start isIncluded. First operand 670 states. Second operand 670 states. [2018-11-23 10:58:16,920 INFO L87 Difference]: Start difference. First operand 670 states. Second operand 670 states. [2018-11-23 10:58:16,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:58:16,971 INFO L93 Difference]: Finished difference Result 670 states and 980 transitions. [2018-11-23 10:58:16,972 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 980 transitions. [2018-11-23 10:58:16,989 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 10:58:16,990 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 10:58:16,990 INFO L74 IsIncluded]: Start isIncluded. First operand 670 states. Second operand 670 states. [2018-11-23 10:58:16,990 INFO L87 Difference]: Start difference. First operand 670 states. Second operand 670 states. [2018-11-23 10:58:17,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:58:17,060 INFO L93 Difference]: Finished difference Result 670 states and 980 transitions. [2018-11-23 10:58:17,060 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 980 transitions. [2018-11-23 10:58:17,066 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 10:58:17,066 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 10:58:17,066 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 10:58:17,067 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 10:58:17,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 670 states. [2018-11-23 10:58:17,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 670 states and 980 transitions. [2018-11-23 10:58:17,126 INFO L78 Accepts]: Start accepts. Automaton has 670 states and 980 transitions. Word has length 26 [2018-11-23 10:58:17,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 10:58:17,126 INFO L480 AbstractCegarLoop]: Abstraction has 670 states and 980 transitions. [2018-11-23 10:58:17,127 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 10:58:17,127 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 980 transitions. [2018-11-23 10:58:17,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-23 10:58:17,128 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 10:58:17,129 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, 1, 1, 1, 1, 1, 1] [2018-11-23 10:58:17,129 INFO L423 AbstractCegarLoop]: === Iteration 2 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 10:58:17,129 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 10:58:17,130 INFO L82 PathProgramCache]: Analyzing trace with hash 538771356, now seen corresponding path program 1 times [2018-11-23 10:58:17,130 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 10:58:17,131 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 3 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 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 10:58:17,187 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 10:58:17,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:58:17,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:58:17,539 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 10:58:17,625 INFO L256 TraceCheckUtils]: 0: Hoare triple {4773#true} call ULTIMATE.init(); {4773#true} is VALID [2018-11-23 10:58:17,625 INFO L273 TraceCheckUtils]: 1: Hoare triple {4773#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(15bv32);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(9bv32);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(9bv32);call #t~string72.base, #t~string72.offset := #Ultimate.alloc(15bv32);call #t~string83.base, #t~string83.offset := #Ultimate.alloc(7bv32);call write~init~intINTTYPE1(67bv8, #t~string83.base, #t~string83.offset, 1bv32);call write~init~intINTTYPE1(72bv8, #t~string83.base, ~bvadd32(1bv32, #t~string83.offset), 1bv32);call write~init~intINTTYPE1(73bv8, #t~string83.base, ~bvadd32(2bv32, #t~string83.offset), 1bv32);call write~init~intINTTYPE1(78bv8, #t~string83.base, ~bvadd32(3bv32, #t~string83.offset), 1bv32);call write~init~intINTTYPE1(79bv8, #t~string83.base, ~bvadd32(4bv32, #t~string83.offset), 1bv32);call write~init~intINTTYPE1(78bv8, #t~string83.base, ~bvadd32(5bv32, #t~string83.offset), 1bv32);call write~init~intINTTYPE1(0bv8, #t~string83.base, ~bvadd32(6bv32, #t~string83.offset), 1bv32);call #t~string98.base, #t~string98.offset := #Ultimate.alloc(9bv32);call #t~string100.base, #t~string100.offset := #Ultimate.alloc(17bv32);call #t~string102.base, #t~string102.offset := #Ultimate.alloc(17bv32);call #t~string104.base, #t~string104.offset := #Ultimate.alloc(9bv32);call #t~string106.base, #t~string106.offset := #Ultimate.alloc(9bv32);call #t~string108.base, #t~string108.offset := #Ultimate.alloc(9bv32);call #t~string110.base, #t~string110.offset := #Ultimate.alloc(4bv32);call write~init~intINTTYPE1(82bv8, #t~string110.base, #t~string110.offset, 1bv32);call write~init~intINTTYPE1(85bv8, #t~string110.base, ~bvadd32(1bv32, #t~string110.offset), 1bv32);call write~init~intINTTYPE1(66bv8, #t~string110.base, ~bvadd32(2bv32, #t~string110.offset), 1bv32);call write~init~intINTTYPE1(0bv8, #t~string110.base, ~bvadd32(3bv32, #t~string110.offset), 1bv32);call #t~string112.base, #t~string112.offset := #Ultimate.alloc(9bv32);call #t~string128.base, #t~string128.offset := #Ultimate.alloc(9bv32);call #t~string130.base, #t~string130.offset := #Ultimate.alloc(12bv32);call #t~string136.base, #t~string136.offset := #Ultimate.alloc(15bv32);call #t~string170.base, #t~string170.offset := #Ultimate.alloc(17bv32);call #t~string171.base, #t~string171.offset := #Ultimate.alloc(17bv32);call #t~string172.base, #t~string172.offset := #Ultimate.alloc(17bv32);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);~__BLAST_NONDET~0 := 0bv32;~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; {4773#true} is VALID [2018-11-23 10:58:17,626 INFO L273 TraceCheckUtils]: 2: Hoare triple {4773#true} assume true; {4773#true} is VALID [2018-11-23 10:58:17,626 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {4773#true} {4773#true} #2035#return; {4773#true} is VALID [2018-11-23 10:58:17,627 INFO L256 TraceCheckUtils]: 4: Hoare triple {4773#true} call #t~ret1513 := main(); {4773#true} is VALID [2018-11-23 10:58:17,627 INFO L273 TraceCheckUtils]: 5: Hoare triple {4773#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~nondet1452;havoc #t~nondet1452;call ~#irp~1.base, ~#irp~1.offset := #Ultimate.alloc(111bv32);~we_should_unload~0 := #t~nondet1453;havoc #t~nondet1453;~__BLAST_NONDET___0~0 := #t~nondet1454;havoc #t~nondet1454;~irp_choice~0 := #t~nondet1455;havoc #t~nondet1455;call ~#devobj~0.base, ~#devobj~0.offset := #Ultimate.alloc(175bv32);call #t~malloc1456.base, #t~malloc1456.offset := #Ultimate.alloc(53bv32);call write~$Pointer$(#t~malloc1456.base, #t~malloc1456.offset, ~#devobj~0.base, ~bvadd32(40bv32, ~#devobj~0.offset), 4bv32);call #t~malloc1457.base, #t~malloc1457.offset := #Ultimate.alloc(36bv32);call write~$Pointer$(#t~malloc1457.base, #t~malloc1457.offset, ~#irp~1.base, ~bvadd32(96bv32, ~#irp~1.offset), 4bv32);call #t~malloc1458.base, #t~malloc1458.offset := #Ultimate.alloc(904bv32);call write~$Pointer$(#t~malloc1458.base, #t~malloc1458.offset, ~#irp~1.base, ~bvadd32(12bv32, ~#irp~1.offset), 4bv32);havoc ~a~0;~a~0 := 0bv32; {4773#true} is VALID [2018-11-23 10:58:17,627 INFO L273 TraceCheckUtils]: 6: Hoare triple {4773#true} assume !~bvslt32(~a~0, 53bv32); {4773#true} is VALID [2018-11-23 10:58:17,628 INFO L273 TraceCheckUtils]: 7: Hoare triple {4773#true} ~a~0 := 0bv32; {4773#true} is VALID [2018-11-23 10:58:17,628 INFO L273 TraceCheckUtils]: 8: Hoare triple {4773#true} assume !~bvslt32(~a~0, 36bv32); {4773#true} is VALID [2018-11-23 10:58:17,628 INFO L273 TraceCheckUtils]: 9: Hoare triple {4773#true} ~a~0 := 0bv32; {4773#true} is VALID [2018-11-23 10:58:17,629 INFO L273 TraceCheckUtils]: 10: Hoare triple {4773#true} assume !~bvslt32(~a~0, 904bv32); {4773#true} is VALID [2018-11-23 10:58:17,629 INFO L273 TraceCheckUtils]: 11: Hoare triple {4773#true} ~pirp~0.base, ~pirp~0.offset := ~#irp~1.base, ~#irp~1.offset; {4773#true} is VALID [2018-11-23 10:58:17,629 INFO L256 TraceCheckUtils]: 12: Hoare triple {4773#true} call _BLAST_init(); {4773#true} is VALID [2018-11-23 10:58:17,637 INFO L273 TraceCheckUtils]: 13: Hoare triple {4773#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; {4817#(= ~UNLOADED~0 ~s~0)} is VALID [2018-11-23 10:58:17,641 INFO L273 TraceCheckUtils]: 14: Hoare triple {4817#(= ~UNLOADED~0 ~s~0)} assume true; {4817#(= ~UNLOADED~0 ~s~0)} is VALID [2018-11-23 10:58:17,644 INFO L268 TraceCheckUtils]: 15: Hoare quadruple {4817#(= ~UNLOADED~0 ~s~0)} {4773#true} #1831#return; {4817#(= ~UNLOADED~0 ~s~0)} is VALID [2018-11-23 10:58:17,644 INFO L273 TraceCheckUtils]: 16: Hoare triple {4817#(= ~UNLOADED~0 ~s~0)} assume !~bvsge32(~status~15, 0bv32); {4817#(= ~UNLOADED~0 ~s~0)} is VALID [2018-11-23 10:58:17,646 INFO L273 TraceCheckUtils]: 17: Hoare triple {4817#(= ~UNLOADED~0 ~s~0)} assume !(1bv32 == ~pended~0); {4817#(= ~UNLOADED~0 ~s~0)} is VALID [2018-11-23 10:58:17,646 INFO L273 TraceCheckUtils]: 18: Hoare triple {4817#(= ~UNLOADED~0 ~s~0)} assume !(1bv32 == ~pended~0); {4817#(= ~UNLOADED~0 ~s~0)} is VALID [2018-11-23 10:58:17,649 INFO L273 TraceCheckUtils]: 19: Hoare triple {4817#(= ~UNLOADED~0 ~s~0)} assume !(~s~0 == ~UNLOADED~0); {4774#false} is VALID [2018-11-23 10:58:17,649 INFO L273 TraceCheckUtils]: 20: Hoare triple {4774#false} assume !(4294967295bv32 == ~status~15); {4774#false} is VALID [2018-11-23 10:58:17,649 INFO L273 TraceCheckUtils]: 21: Hoare triple {4774#false} assume !(~s~0 != ~SKIP2~0); {4774#false} is VALID [2018-11-23 10:58:17,649 INFO L273 TraceCheckUtils]: 22: Hoare triple {4774#false} assume !(1bv32 == ~pended~0); {4774#false} is VALID [2018-11-23 10:58:17,650 INFO L273 TraceCheckUtils]: 23: Hoare triple {4774#false} assume ~s~0 == ~DC~0; {4774#false} is VALID [2018-11-23 10:58:17,650 INFO L256 TraceCheckUtils]: 24: Hoare triple {4774#false} call errorFn(); {4774#false} is VALID [2018-11-23 10:58:17,650 INFO L273 TraceCheckUtils]: 25: Hoare triple {4774#false} assume !false; {4774#false} is VALID [2018-11-23 10:58:17,652 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 10:58:17,653 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [MP cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (3)] Exception during sending of exit command (exit): Broken pipe [2018-11-23 10:58:17,657 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 10:58:17,657 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 10:58:17,659 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2018-11-23 10:58:17,659 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 10:58:17,659 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2018-11-23 10:58:17,777 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 26 edges. 26 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 10:58:17,778 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 10:58:17,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 10:58:17,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 10:58:17,778 INFO L87 Difference]: Start difference. First operand 670 states and 980 transitions. Second operand 3 states.