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/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/ntdrivers-simplified/cdaudio_simpl1_true-unreach-call_true-valid-memsafety_true-termination.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-18e5b2d-m [2018-11-18 21:30:06,282 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 21:30:06,284 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 21:30:06,296 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 21:30:06,296 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 21:30:06,297 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 21:30:06,298 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 21:30:06,300 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 21:30:06,302 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 21:30:06,303 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 21:30:06,304 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 21:30:06,304 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 21:30:06,305 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 21:30:06,306 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 21:30:06,307 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 21:30:06,308 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 21:30:06,309 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 21:30:06,311 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 21:30:06,313 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 21:30:06,315 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 21:30:06,316 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 21:30:06,317 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 21:30:06,320 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 21:30:06,320 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 21:30:06,320 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 21:30:06,321 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 21:30:06,322 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 21:30:06,323 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 21:30:06,324 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 21:30:06,325 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 21:30:06,325 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 21:30:06,326 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 21:30:06,326 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 21:30:06,326 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 21:30:06,327 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 21:30:06,328 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 21:30:06,328 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 [2018-11-18 21:30:06,347 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 21:30:06,348 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 21:30:06,348 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 21:30:06,349 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 21:30:06,349 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 21:30:06,349 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 21:30:06,350 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 21:30:06,350 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 21:30:06,350 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 21:30:06,350 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 21:30:06,350 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 21:30:06,351 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 21:30:06,351 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 21:30:06,351 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 21:30:06,351 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 21:30:06,351 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 21:30:06,351 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 21:30:06,352 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 21:30:06,352 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 21:30:06,352 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 21:30:06,352 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 21:30:06,352 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 21:30:06,353 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 21:30:06,353 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 21:30:06,353 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 21:30:06,353 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 21:30:06,353 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 21:30:06,354 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 21:30:06,354 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-18 21:30:06,354 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 21:30:06,354 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 21:30:06,354 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 21:30:06,355 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 21:30:06,408 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 21:30:06,428 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 21:30:06,434 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 21:30:06,435 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 21:30:06,436 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 21:30:06,437 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/cdaudio_simpl1_true-unreach-call_true-valid-memsafety_true-termination.cil.c [2018-11-18 21:30:06,504 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63b463fcb/891e06c85f964cad8f52e7441d3242ab/FLAGd16c6b621 [2018-11-18 21:30:07,131 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 21:30:07,131 INFO L161 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/cdaudio_simpl1_true-unreach-call_true-valid-memsafety_true-termination.cil.c [2018-11-18 21:30:07,161 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63b463fcb/891e06c85f964cad8f52e7441d3242ab/FLAGd16c6b621 [2018-11-18 21:30:07,371 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63b463fcb/891e06c85f964cad8f52e7441d3242ab [2018-11-18 21:30:07,380 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 21:30:07,381 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-11-18 21:30:07,382 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 21:30:07,383 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 21:30:07,386 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 21:30:07,388 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:30:07" (1/1) ... [2018-11-18 21:30:07,391 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e4f0244 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:30:07, skipping insertion in model container [2018-11-18 21:30:07,391 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:30:07" (1/1) ... [2018-11-18 21:30:07,403 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 21:30:07,480 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 21:30:08,068 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 21:30:08,081 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 21:30:08,336 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 21:30:08,488 INFO L195 MainTranslator]: Completed translation [2018-11-18 21:30:08,489 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:30:08 WrapperNode [2018-11-18 21:30:08,489 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 21:30:08,490 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 21:30:08,490 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 21:30:08,490 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 21:30:08,506 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:30:08" (1/1) ... [2018-11-18 21:30:08,506 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:30:08" (1/1) ... [2018-11-18 21:30:08,533 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:30:08" (1/1) ... [2018-11-18 21:30:08,534 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:30:08" (1/1) ... [2018-11-18 21:30:08,589 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:30:08" (1/1) ... [2018-11-18 21:30:08,622 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:30:08" (1/1) ... [2018-11-18 21:30:08,632 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:30:08" (1/1) ... [2018-11-18 21:30:08,653 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 21:30:08,653 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 21:30:08,654 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 21:30:08,654 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 21:30:08,655 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:30:08" (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 [2018-11-18 21:30:08,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 21:30:08,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 21:30:08,738 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2018-11-18 21:30:08,739 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2018-11-18 21:30:08,739 INFO L138 BoogieDeclarations]: Found implementation of procedure SendSrbSynchronous [2018-11-18 21:30:08,739 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioSignalCompletion [2018-11-18 21:30:08,739 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioStartDevice [2018-11-18 21:30:08,739 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioPnp [2018-11-18 21:30:08,739 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioDeviceControl [2018-11-18 21:30:08,743 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioSendToNextDriver [2018-11-18 21:30:08,744 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioIsPlayActive [2018-11-18 21:30:08,744 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudio535DeviceControl [2018-11-18 21:30:08,744 INFO L138 BoogieDeclarations]: Found implementation of procedure AG_SetStatusAndReturn [2018-11-18 21:30:08,744 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudio435DeviceControl [2018-11-18 21:30:08,744 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioAtapiDeviceControl [2018-11-18 21:30:08,744 INFO L138 BoogieDeclarations]: Found implementation of procedure HpCdrProcessLastSession [2018-11-18 21:30:08,746 INFO L138 BoogieDeclarations]: Found implementation of procedure HPCdrCompletion [2018-11-18 21:30:08,746 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioHPCdrDeviceControl [2018-11-18 21:30:08,746 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioForwardIrpSynchronous [2018-11-18 21:30:08,746 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioUnload [2018-11-18 21:30:08,747 INFO L138 BoogieDeclarations]: Found implementation of procedure CdAudioPower [2018-11-18 21:30:08,749 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2018-11-18 21:30:08,749 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 21:30:08,749 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2018-11-18 21:30:08,749 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2018-11-18 21:30:08,749 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2018-11-18 21:30:08,749 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2018-11-18 21:30:08,749 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2018-11-18 21:30:08,750 INFO L138 BoogieDeclarations]: Found implementation of procedure PoCallDriver [2018-11-18 21:30:08,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2018-11-18 21:30:08,750 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 21:30:08,750 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2018-11-18 21:30:08,750 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-18 21:30:08,750 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2018-11-18 21:30:08,750 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2018-11-18 21:30:08,751 INFO L130 BoogieDeclarations]: Found specification of procedure SendSrbSynchronous [2018-11-18 21:30:08,751 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioSignalCompletion [2018-11-18 21:30:08,751 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioStartDevice [2018-11-18 21:30:08,751 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioPnp [2018-11-18 21:30:08,751 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioDeviceControl [2018-11-18 21:30:08,751 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioSendToNextDriver [2018-11-18 21:30:08,752 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioIsPlayActive [2018-11-18 21:30:08,752 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudio535DeviceControl [2018-11-18 21:30:08,752 INFO L130 BoogieDeclarations]: Found specification of procedure AG_SetStatusAndReturn [2018-11-18 21:30:08,752 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudio435DeviceControl [2018-11-18 21:30:08,752 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioAtapiDeviceControl [2018-11-18 21:30:08,753 INFO L130 BoogieDeclarations]: Found specification of procedure HPCdrCompletion [2018-11-18 21:30:08,753 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioHPCdrDeviceControl [2018-11-18 21:30:08,753 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioForwardIrpSynchronous [2018-11-18 21:30:08,753 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioPower [2018-11-18 21:30:08,753 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2018-11-18 21:30:08,753 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2018-11-18 21:30:08,754 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2018-11-18 21:30:08,754 INFO L130 BoogieDeclarations]: Found specification of procedure PoCallDriver [2018-11-18 21:30:08,754 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2018-11-18 21:30:08,755 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2018-11-18 21:30:08,755 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2018-11-18 21:30:08,755 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2018-11-18 21:30:08,755 INFO L130 BoogieDeclarations]: Found specification of procedure HpCdrProcessLastSession [2018-11-18 21:30:08,755 INFO L130 BoogieDeclarations]: Found specification of procedure CdAudioUnload [2018-11-18 21:30:08,755 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2018-11-18 21:30:08,756 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 21:30:08,756 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2018-11-18 21:30:08,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 21:30:08,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 21:30:09,725 WARN L687 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 21:30:09,726 WARN L652 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 21:30:10,409 WARN L687 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 21:30:10,410 WARN L652 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 21:30:10,789 WARN L687 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 21:30:10,790 WARN L652 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 21:30:11,185 WARN L687 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 21:30:11,185 WARN L652 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 21:30:11,580 WARN L687 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 21:30:11,580 WARN L652 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 21:30:12,019 WARN L687 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 21:30:12,019 WARN L652 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 21:30:12,220 WARN L687 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 21:30:12,220 WARN L652 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 21:30:12,479 WARN L687 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 21:30:12,479 WARN L652 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 21:30:13,015 WARN L687 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 21:30:13,016 WARN L652 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 21:30:13,181 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 21:30:13,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:30:13 BoogieIcfgContainer [2018-11-18 21:30:13,183 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 21:30:13,184 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 21:30:13,185 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 21:30:13,188 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 21:30:13,189 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 09:30:07" (1/3) ... [2018-11-18 21:30:13,189 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57b993f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:30:13, skipping insertion in model container [2018-11-18 21:30:13,190 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:30:08" (2/3) ... [2018-11-18 21:30:13,190 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57b993f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:30:13, skipping insertion in model container [2018-11-18 21:30:13,190 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:30:13" (3/3) ... [2018-11-18 21:30:13,192 INFO L112 eAbstractionObserver]: Analyzing ICFG cdaudio_simpl1_true-unreach-call_true-valid-memsafety_true-termination.cil.c [2018-11-18 21:30:13,201 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 21:30:13,209 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 21:30:13,224 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 21:30:13,265 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 21:30:13,266 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 21:30:13,266 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 21:30:13,266 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 21:30:13,266 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 21:30:13,267 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 21:30:13,267 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 21:30:13,267 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 21:30:13,267 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 21:30:13,306 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states. [2018-11-18 21:30:13,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 21:30:13,314 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 21:30:13,315 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 21:30:13,317 INFO L423 AbstractCegarLoop]: === Iteration 1 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 21:30:13,324 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 21:30:13,324 INFO L82 PathProgramCache]: Analyzing trace with hash -545325625, now seen corresponding path program 1 times [2018-11-18 21:30:13,330 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 21:30:13,330 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 [2018-11-18 21:30:13,357 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 21:30:13,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 21:30:13,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 21:30:13,521 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 21:30:13,630 INFO L256 TraceCheckUtils]: 0: Hoare triple {519#true} call ULTIMATE.init(); {519#true} is VALID [2018-11-18 21:30:13,634 INFO L273 TraceCheckUtils]: 1: Hoare triple {519#true} ~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;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32;~routine~0 := 0bv32;~myStatus~0 := 0bv32;~pirp~0 := 0bv32;~Executive~0 := 0bv32;~Suspended~0 := 0bv32;~KernelMode~0 := 0bv32;~DeviceUsageTypePaging~0 := 0bv32; {519#true} is VALID [2018-11-18 21:30:13,635 INFO L273 TraceCheckUtils]: 2: Hoare triple {519#true} assume true; {519#true} is VALID [2018-11-18 21:30:13,635 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {519#true} {519#true} #1497#return; {519#true} is VALID [2018-11-18 21:30:13,636 INFO L256 TraceCheckUtils]: 4: Hoare triple {519#true} call #t~ret176 := main(); {519#true} is VALID [2018-11-18 21:30:13,636 INFO L273 TraceCheckUtils]: 5: Hoare triple {519#true} havoc ~pirp__IoStatus__Status~0;~d~0 := #t~nondet150;havoc #t~nondet150;~status~9 := #t~nondet151;havoc #t~nondet151;~irp~1 := #t~nondet152;havoc #t~nondet152;~we_should_unload~0 := #t~nondet153;havoc #t~nondet153;~irp_choice~0 := #t~nondet154;havoc #t~nondet154;~devobj~0 := #t~nondet155;havoc #t~nondet155;havoc ~__cil_tmp9~1;~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;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32;~routine~0 := 0bv32;~myStatus~0 := 0bv32;~pirp~0 := 0bv32;~Executive~0 := 0bv32;~Suspended~0 := 5bv32;~KernelMode~0 := 0bv32;~DeviceUsageTypePaging~0 := 1bv32;~pirp~0 := ~irp~1; {519#true} is VALID [2018-11-18 21:30:13,637 INFO L256 TraceCheckUtils]: 6: Hoare triple {519#true} call _BLAST_init(); {519#true} is VALID [2018-11-18 21:30:13,638 INFO L273 TraceCheckUtils]: 7: Hoare triple {519#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 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32; {545#(= ~UNLOADED~0 ~s~0)} is VALID [2018-11-18 21:30:13,642 INFO L273 TraceCheckUtils]: 8: Hoare triple {545#(= ~UNLOADED~0 ~s~0)} assume true; {545#(= ~UNLOADED~0 ~s~0)} is VALID [2018-11-18 21:30:13,643 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {545#(= ~UNLOADED~0 ~s~0)} {519#true} #1365#return; {545#(= ~UNLOADED~0 ~s~0)} is VALID [2018-11-18 21:30:13,645 INFO L273 TraceCheckUtils]: 10: Hoare triple {545#(= ~UNLOADED~0 ~s~0)} assume !~bvsge32(~status~9, 0bv32); {545#(= ~UNLOADED~0 ~s~0)} is VALID [2018-11-18 21:30:13,647 INFO L273 TraceCheckUtils]: 11: Hoare triple {545#(= ~UNLOADED~0 ~s~0)} assume !(1bv32 == ~pended~0); {545#(= ~UNLOADED~0 ~s~0)} is VALID [2018-11-18 21:30:13,648 INFO L273 TraceCheckUtils]: 12: Hoare triple {545#(= ~UNLOADED~0 ~s~0)} assume !(1bv32 == ~pended~0); {545#(= ~UNLOADED~0 ~s~0)} is VALID [2018-11-18 21:30:13,652 INFO L273 TraceCheckUtils]: 13: Hoare triple {545#(= ~UNLOADED~0 ~s~0)} assume ~s~0 != ~UNLOADED~0; {520#false} is VALID [2018-11-18 21:30:13,653 INFO L273 TraceCheckUtils]: 14: Hoare triple {520#false} assume 4294967295bv32 != ~status~9; {520#false} is VALID [2018-11-18 21:30:13,653 INFO L273 TraceCheckUtils]: 15: Hoare triple {520#false} assume ~s~0 != ~SKIP2~0; {520#false} is VALID [2018-11-18 21:30:13,654 INFO L273 TraceCheckUtils]: 16: Hoare triple {520#false} assume ~s~0 != ~IPC~0; {520#false} is VALID [2018-11-18 21:30:13,654 INFO L273 TraceCheckUtils]: 17: Hoare triple {520#false} assume ~s~0 != ~DC~0; {520#false} is VALID [2018-11-18 21:30:13,655 INFO L256 TraceCheckUtils]: 18: Hoare triple {520#false} call errorFn(); {520#false} is VALID [2018-11-18 21:30:13,655 INFO L273 TraceCheckUtils]: 19: Hoare triple {520#false} assume !false; {520#false} is VALID [2018-11-18 21:30:13,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 21:30:13,661 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 21:30:13,669 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 21:30:13,669 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 21:30:13,675 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2018-11-18 21:30:13,679 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-18 21:30:13,685 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2018-11-18 21:30:13,783 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 21:30:13,783 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 21:30:13,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 21:30:13,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 21:30:13,794 INFO L87 Difference]: Start difference. First operand 516 states. Second operand 3 states. [2018-11-18 21:30:17,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 21:30:17,013 INFO L93 Difference]: Finished difference Result 889 states and 1375 transitions. [2018-11-18 21:30:17,013 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 21:30:17,013 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2018-11-18 21:30:17,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 21:30:17,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-18 21:30:17,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1375 transitions. [2018-11-18 21:30:17,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-18 21:30:17,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1375 transitions. [2018-11-18 21:30:17,126 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 1375 transitions. [2018-11-18 21:30:19,502 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 1375 edges. 1375 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 21:30:19,604 INFO L225 Difference]: With dead ends: 889 [2018-11-18 21:30:19,604 INFO L226 Difference]: Without dead ends: 508 [2018-11-18 21:30:19,613 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 21:30:19,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 508 states. [2018-11-18 21:30:20,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 508 to 508. [2018-11-18 21:30:20,364 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-18 21:30:20,364 INFO L82 GeneralOperation]: Start isEquivalent. First operand 508 states. Second operand 508 states. [2018-11-18 21:30:20,365 INFO L74 IsIncluded]: Start isIncluded. First operand 508 states. Second operand 508 states. [2018-11-18 21:30:20,365 INFO L87 Difference]: Start difference. First operand 508 states. Second operand 508 states. [2018-11-18 21:30:20,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 21:30:20,402 INFO L93 Difference]: Finished difference Result 508 states and 738 transitions. [2018-11-18 21:30:20,402 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 738 transitions. [2018-11-18 21:30:20,412 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 21:30:20,412 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 21:30:20,413 INFO L74 IsIncluded]: Start isIncluded. First operand 508 states. Second operand 508 states. [2018-11-18 21:30:20,413 INFO L87 Difference]: Start difference. First operand 508 states. Second operand 508 states. [2018-11-18 21:30:20,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 21:30:20,448 INFO L93 Difference]: Finished difference Result 508 states and 738 transitions. [2018-11-18 21:30:20,448 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 738 transitions. [2018-11-18 21:30:20,452 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 21:30:20,452 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 21:30:20,452 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-18 21:30:20,453 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-18 21:30:20,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 508 states. [2018-11-18 21:30:20,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 508 states and 738 transitions. [2018-11-18 21:30:20,488 INFO L78 Accepts]: Start accepts. Automaton has 508 states and 738 transitions. Word has length 20 [2018-11-18 21:30:20,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 21:30:20,489 INFO L480 AbstractCegarLoop]: Abstraction has 508 states and 738 transitions. [2018-11-18 21:30:20,489 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 21:30:20,489 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 738 transitions. [2018-11-18 21:30:20,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-18 21:30:20,493 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 21:30:20,493 INFO L375 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] [2018-11-18 21:30:20,493 INFO L423 AbstractCegarLoop]: === Iteration 2 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 21:30:20,493 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 21:30:20,493 INFO L82 PathProgramCache]: Analyzing trace with hash 736354971, now seen corresponding path program 1 times [2018-11-18 21:30:20,494 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 21:30:20,494 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 [2018-11-18 21:30:20,522 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 21:30:20,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 21:30:20,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 21:30:20,628 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 21:30:20,707 INFO L256 TraceCheckUtils]: 0: Hoare triple {3431#true} call ULTIMATE.init(); {3431#true} is VALID [2018-11-18 21:30:20,707 INFO L273 TraceCheckUtils]: 1: Hoare triple {3431#true} ~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;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32;~routine~0 := 0bv32;~myStatus~0 := 0bv32;~pirp~0 := 0bv32;~Executive~0 := 0bv32;~Suspended~0 := 0bv32;~KernelMode~0 := 0bv32;~DeviceUsageTypePaging~0 := 0bv32; {3431#true} is VALID [2018-11-18 21:30:20,708 INFO L273 TraceCheckUtils]: 2: Hoare triple {3431#true} assume true; {3431#true} is VALID [2018-11-18 21:30:20,708 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {3431#true} {3431#true} #1497#return; {3431#true} is VALID [2018-11-18 21:30:20,708 INFO L256 TraceCheckUtils]: 4: Hoare triple {3431#true} call #t~ret176 := main(); {3431#true} is VALID [2018-11-18 21:30:20,709 INFO L273 TraceCheckUtils]: 5: Hoare triple {3431#true} havoc ~pirp__IoStatus__Status~0;~d~0 := #t~nondet150;havoc #t~nondet150;~status~9 := #t~nondet151;havoc #t~nondet151;~irp~1 := #t~nondet152;havoc #t~nondet152;~we_should_unload~0 := #t~nondet153;havoc #t~nondet153;~irp_choice~0 := #t~nondet154;havoc #t~nondet154;~devobj~0 := #t~nondet155;havoc #t~nondet155;havoc ~__cil_tmp9~1;~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;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32;~routine~0 := 0bv32;~myStatus~0 := 0bv32;~pirp~0 := 0bv32;~Executive~0 := 0bv32;~Suspended~0 := 5bv32;~KernelMode~0 := 0bv32;~DeviceUsageTypePaging~0 := 1bv32;~pirp~0 := ~irp~1; {3431#true} is VALID [2018-11-18 21:30:20,709 INFO L256 TraceCheckUtils]: 6: Hoare triple {3431#true} call _BLAST_init(); {3431#true} is VALID [2018-11-18 21:30:20,709 INFO L273 TraceCheckUtils]: 7: Hoare triple {3431#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 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32; {3431#true} is VALID [2018-11-18 21:30:20,709 INFO L273 TraceCheckUtils]: 8: Hoare triple {3431#true} assume true; {3431#true} is VALID [2018-11-18 21:30:20,710 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {3431#true} {3431#true} #1365#return; {3431#true} is VALID [2018-11-18 21:30:20,710 INFO L273 TraceCheckUtils]: 10: Hoare triple {3431#true} assume ~bvsge32(~status~9, 0bv32);~s~0 := ~NP~0;~customIrp~0 := 0bv32;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0;~pirp__IoStatus__Status~0 := 0bv32;~myStatus~0 := 0bv32; {3431#true} is VALID [2018-11-18 21:30:20,710 INFO L273 TraceCheckUtils]: 11: Hoare triple {3431#true} assume 0bv32 == ~irp_choice~0;~pirp__IoStatus__Status~0 := 3221225659bv32;~myStatus~0 := 3221225659bv32; {3431#true} is VALID [2018-11-18 21:30:20,710 INFO L256 TraceCheckUtils]: 12: Hoare triple {3431#true} call stub_driver_init(); {3431#true} is VALID [2018-11-18 21:30:20,711 INFO L273 TraceCheckUtils]: 13: Hoare triple {3431#true} ~s~0 := ~NP~0;~customIrp~0 := 0bv32;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0; {3475#(= ~NP~0 ~s~0)} is VALID [2018-11-18 21:30:20,712 INFO L273 TraceCheckUtils]: 14: Hoare triple {3475#(= ~NP~0 ~s~0)} assume true; {3475#(= ~NP~0 ~s~0)} is VALID [2018-11-18 21:30:20,714 INFO L268 TraceCheckUtils]: 15: Hoare quadruple {3475#(= ~NP~0 ~s~0)} {3431#true} #1367#return; {3475#(= ~NP~0 ~s~0)} is VALID [2018-11-18 21:30:20,714 INFO L273 TraceCheckUtils]: 16: Hoare triple {3475#(= ~NP~0 ~s~0)} assume !~bvslt32(~status~9, 0bv32);havoc ~tmp_ndt_1~0;~tmp_ndt_1~0 := #t~nondet156;havoc #t~nondet156; {3475#(= ~NP~0 ~s~0)} is VALID [2018-11-18 21:30:20,716 INFO L273 TraceCheckUtils]: 17: Hoare triple {3475#(= ~NP~0 ~s~0)} assume !(2bv32 == ~tmp_ndt_1~0);havoc ~tmp_ndt_2~0;~tmp_ndt_2~0 := #t~nondet157;havoc #t~nondet157; {3475#(= ~NP~0 ~s~0)} is VALID [2018-11-18 21:30:20,717 INFO L273 TraceCheckUtils]: 18: Hoare triple {3475#(= ~NP~0 ~s~0)} assume !(3bv32 == ~tmp_ndt_2~0);havoc ~tmp_ndt_3~0;~tmp_ndt_3~0 := #t~nondet158;havoc #t~nondet158; {3475#(= ~NP~0 ~s~0)} is VALID [2018-11-18 21:30:20,718 INFO L273 TraceCheckUtils]: 19: Hoare triple {3475#(= ~NP~0 ~s~0)} assume 4bv32 == ~tmp_ndt_3~0; {3475#(= ~NP~0 ~s~0)} is VALID [2018-11-18 21:30:20,725 INFO L256 TraceCheckUtils]: 20: Hoare triple {3475#(= ~NP~0 ~s~0)} call #t~ret161 := CdAudioPower(~devobj~0, ~pirp~0); {3475#(= ~NP~0 ~s~0)} is VALID [2018-11-18 21:30:20,728 INFO L273 TraceCheckUtils]: 21: Hoare triple {3475#(= ~NP~0 ~s~0)} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;~Irp__CurrentLocation~1 := #t~nondet144;havoc #t~nondet144;~Irp__Tail__Overlay__CurrentStackLocation~3 := #t~nondet145;havoc #t~nondet145;~deviceExtension__TargetDeviceObject~4 := #t~nondet146;havoc #t~nondet146;havoc ~tmp~7; {3475#(= ~NP~0 ~s~0)} is VALID [2018-11-18 21:30:20,728 INFO L273 TraceCheckUtils]: 22: Hoare triple {3475#(= ~NP~0 ~s~0)} assume !(~s~0 == ~NP~0); {3432#false} is VALID [2018-11-18 21:30:20,729 INFO L256 TraceCheckUtils]: 23: Hoare triple {3432#false} call errorFn(); {3432#false} is VALID [2018-11-18 21:30:20,729 INFO L273 TraceCheckUtils]: 24: Hoare triple {3432#false} assume !false; {3432#false} is VALID [2018-11-18 21:30:20,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 21:30:20,732 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 21:30:20,735 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 21:30:20,735 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 21:30:20,737 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2018-11-18 21:30:20,737 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-18 21:30:20,738 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2018-11-18 21:30:20,774 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 25 edges. 25 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 21:30:20,775 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 21:30:20,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 21:30:20,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 21:30:20,776 INFO L87 Difference]: Start difference. First operand 508 states and 738 transitions. Second operand 3 states. [2018-11-18 21:30:24,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 21:30:24,474 INFO L93 Difference]: Finished difference Result 792 states and 1120 transitions. [2018-11-18 21:30:24,474 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 21:30:24,474 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2018-11-18 21:30:24,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 21:30:24,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-18 21:30:24,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1120 transitions. [2018-11-18 21:30:24,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-18 21:30:24,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1120 transitions. [2018-11-18 21:30:24,513 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 1120 transitions. [2018-11-18 21:30:26,039 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 1120 edges. 1120 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 21:30:26,082 INFO L225 Difference]: With dead ends: 792 [2018-11-18 21:30:26,082 INFO L226 Difference]: Without dead ends: 672 [2018-11-18 21:30:26,084 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 21:30:26,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 672 states. [2018-11-18 21:30:26,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 672 to 654. [2018-11-18 21:30:26,453 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-18 21:30:26,453 INFO L82 GeneralOperation]: Start isEquivalent. First operand 672 states. Second operand 654 states. [2018-11-18 21:30:26,453 INFO L74 IsIncluded]: Start isIncluded. First operand 672 states. Second operand 654 states. [2018-11-18 21:30:26,453 INFO L87 Difference]: Start difference. First operand 672 states. Second operand 654 states. [2018-11-18 21:30:26,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 21:30:26,497 INFO L93 Difference]: Finished difference Result 672 states and 955 transitions. [2018-11-18 21:30:26,498 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 955 transitions. [2018-11-18 21:30:26,502 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 21:30:26,502 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 21:30:26,502 INFO L74 IsIncluded]: Start isIncluded. First operand 654 states. Second operand 672 states. [2018-11-18 21:30:26,502 INFO L87 Difference]: Start difference. First operand 654 states. Second operand 672 states. [2018-11-18 21:30:26,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 21:30:26,544 INFO L93 Difference]: Finished difference Result 672 states and 955 transitions. [2018-11-18 21:30:26,545 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 955 transitions. [2018-11-18 21:30:26,548 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 21:30:26,549 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 21:30:26,549 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-18 21:30:26,549 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-18 21:30:26,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 654 states. [2018-11-18 21:30:26,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 654 states and 933 transitions. [2018-11-18 21:30:26,589 INFO L78 Accepts]: Start accepts. Automaton has 654 states and 933 transitions. Word has length 25 [2018-11-18 21:30:26,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 21:30:26,590 INFO L480 AbstractCegarLoop]: Abstraction has 654 states and 933 transitions. [2018-11-18 21:30:26,590 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 21:30:26,590 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 933 transitions. [2018-11-18 21:30:26,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 21:30:26,591 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 21:30:26,591 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 21:30:26,591 INFO L423 AbstractCegarLoop]: === Iteration 3 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 21:30:26,592 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 21:30:26,592 INFO L82 PathProgramCache]: Analyzing trace with hash -1750587816, now seen corresponding path program 1 times [2018-11-18 21:30:26,592 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 21:30:26,593 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 4 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 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 21:30:26,621 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 21:30:26,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 21:30:26,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 21:30:26,763 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 21:30:26,892 INFO L256 TraceCheckUtils]: 0: Hoare triple {6751#true} call ULTIMATE.init(); {6751#true} is VALID [2018-11-18 21:30:26,892 INFO L273 TraceCheckUtils]: 1: Hoare triple {6751#true} ~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;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32;~routine~0 := 0bv32;~myStatus~0 := 0bv32;~pirp~0 := 0bv32;~Executive~0 := 0bv32;~Suspended~0 := 0bv32;~KernelMode~0 := 0bv32;~DeviceUsageTypePaging~0 := 0bv32; {6751#true} is VALID [2018-11-18 21:30:26,893 INFO L273 TraceCheckUtils]: 2: Hoare triple {6751#true} assume true; {6751#true} is VALID [2018-11-18 21:30:26,893 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {6751#true} {6751#true} #1497#return; {6751#true} is VALID [2018-11-18 21:30:26,893 INFO L256 TraceCheckUtils]: 4: Hoare triple {6751#true} call #t~ret176 := main(); {6751#true} is VALID [2018-11-18 21:30:26,893 INFO L273 TraceCheckUtils]: 5: Hoare triple {6751#true} havoc ~pirp__IoStatus__Status~0;~d~0 := #t~nondet150;havoc #t~nondet150;~status~9 := #t~nondet151;havoc #t~nondet151;~irp~1 := #t~nondet152;havoc #t~nondet152;~we_should_unload~0 := #t~nondet153;havoc #t~nondet153;~irp_choice~0 := #t~nondet154;havoc #t~nondet154;~devobj~0 := #t~nondet155;havoc #t~nondet155;havoc ~__cil_tmp9~1;~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;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32;~routine~0 := 0bv32;~myStatus~0 := 0bv32;~pirp~0 := 0bv32;~Executive~0 := 0bv32;~Suspended~0 := 5bv32;~KernelMode~0 := 0bv32;~DeviceUsageTypePaging~0 := 1bv32;~pirp~0 := ~irp~1; {6751#true} is VALID [2018-11-18 21:30:26,894 INFO L256 TraceCheckUtils]: 6: Hoare triple {6751#true} call _BLAST_init(); {6751#true} is VALID [2018-11-18 21:30:26,894 INFO L273 TraceCheckUtils]: 7: Hoare triple {6751#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 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32; {6751#true} is VALID [2018-11-18 21:30:26,895 INFO L273 TraceCheckUtils]: 8: Hoare triple {6751#true} assume true; {6751#true} is VALID [2018-11-18 21:30:26,895 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {6751#true} {6751#true} #1365#return; {6751#true} is VALID [2018-11-18 21:30:26,895 INFO L273 TraceCheckUtils]: 10: Hoare triple {6751#true} assume ~bvsge32(~status~9, 0bv32);~s~0 := ~NP~0;~customIrp~0 := 0bv32;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0;~pirp__IoStatus__Status~0 := 0bv32;~myStatus~0 := 0bv32; {6751#true} is VALID [2018-11-18 21:30:26,896 INFO L273 TraceCheckUtils]: 11: Hoare triple {6751#true} assume 0bv32 == ~irp_choice~0;~pirp__IoStatus__Status~0 := 3221225659bv32;~myStatus~0 := 3221225659bv32; {6751#true} is VALID [2018-11-18 21:30:26,896 INFO L256 TraceCheckUtils]: 12: Hoare triple {6751#true} call stub_driver_init(); {6751#true} is VALID [2018-11-18 21:30:26,898 INFO L273 TraceCheckUtils]: 13: Hoare triple {6751#true} ~s~0 := ~NP~0;~customIrp~0 := 0bv32;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0; {6795#(= (_ bv0 32) ~compRegistered~0)} is VALID [2018-11-18 21:30:26,898 INFO L273 TraceCheckUtils]: 14: Hoare triple {6795#(= (_ bv0 32) ~compRegistered~0)} assume true; {6795#(= (_ bv0 32) ~compRegistered~0)} is VALID [2018-11-18 21:30:26,899 INFO L268 TraceCheckUtils]: 15: Hoare quadruple {6795#(= (_ bv0 32) ~compRegistered~0)} {6751#true} #1367#return; {6795#(= (_ bv0 32) ~compRegistered~0)} is VALID [2018-11-18 21:30:26,900 INFO L273 TraceCheckUtils]: 16: Hoare triple {6795#(= (_ bv0 32) ~compRegistered~0)} assume !~bvslt32(~status~9, 0bv32);havoc ~tmp_ndt_1~0;~tmp_ndt_1~0 := #t~nondet156;havoc #t~nondet156; {6795#(= (_ bv0 32) ~compRegistered~0)} is VALID [2018-11-18 21:30:26,902 INFO L273 TraceCheckUtils]: 17: Hoare triple {6795#(= (_ bv0 32) ~compRegistered~0)} assume !(2bv32 == ~tmp_ndt_1~0);havoc ~tmp_ndt_2~0;~tmp_ndt_2~0 := #t~nondet157;havoc #t~nondet157; {6795#(= (_ bv0 32) ~compRegistered~0)} is VALID [2018-11-18 21:30:26,904 INFO L273 TraceCheckUtils]: 18: Hoare triple {6795#(= (_ bv0 32) ~compRegistered~0)} assume 3bv32 == ~tmp_ndt_2~0; {6795#(= (_ bv0 32) ~compRegistered~0)} is VALID [2018-11-18 21:30:26,907 INFO L256 TraceCheckUtils]: 19: Hoare triple {6795#(= (_ bv0 32) ~compRegistered~0)} call #t~ret160 := CdAudioPnp(~devobj~0, ~pirp~0); {6795#(= (_ bv0 32) ~compRegistered~0)} is VALID [2018-11-18 21:30:26,907 INFO L273 TraceCheckUtils]: 20: Hoare triple {6795#(= (_ bv0 32) ~compRegistered~0)} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;~Irp__Tail__Overlay__CurrentStackLocation~0 := #t~nondet14;havoc #t~nondet14;~irpSp__MinorFunction~0 := #t~nondet15;havoc #t~nondet15;havoc ~Irp__IoStatus__Status~0;~irpSp__Parameters__UsageNotification__Type~0 := #t~nondet16;havoc #t~nondet16;~deviceExtension__PagingPathCountEvent~0 := #t~nondet17;havoc #t~nondet17;~irpSp__Parameters__UsageNotification__InPath~0 := #t~nondet18;havoc #t~nondet18;~deviceExtension__PagingPathCount~0 := #t~nondet19;havoc #t~nondet19;havoc ~DeviceObject__Flags~0;havoc ~irpSp~0;havoc ~status~2;havoc ~setPagable~0;havoc ~tmp~1;havoc ~tmp___0~0;~irpSp~0 := ~Irp__Tail__Overlay__CurrentStackLocation~0;~status~2 := 3221225659bv32; {6795#(= (_ bv0 32) ~compRegistered~0)} is VALID [2018-11-18 21:30:26,908 INFO L273 TraceCheckUtils]: 21: Hoare triple {6795#(= (_ bv0 32) ~compRegistered~0)} assume 0bv32 == ~irpSp__MinorFunction~0; {6795#(= (_ bv0 32) ~compRegistered~0)} is VALID [2018-11-18 21:30:26,908 INFO L256 TraceCheckUtils]: 22: Hoare triple {6795#(= (_ bv0 32) ~compRegistered~0)} call #t~ret20 := CdAudioStartDevice(~DeviceObject, ~Irp); {6795#(= (_ bv0 32) ~compRegistered~0)} is VALID [2018-11-18 21:30:26,909 INFO L273 TraceCheckUtils]: 23: Hoare triple {6795#(= (_ bv0 32) ~compRegistered~0)} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;~deviceExtension__Active~0 := #t~nondet5;havoc #t~nondet5;~deviceExtension~0 := #t~nondet6;havoc #t~nondet6;havoc ~status~1;~srb~0 := #t~nondet7;havoc #t~nondet7;~srb__Cdb~0 := #t~nondet8;havoc #t~nondet8;havoc ~cdb~0;havoc ~inquiryDataPtr~0;havoc ~attempt~0;havoc ~tmp~0;~deviceParameterHandle~0 := #t~nondet9;havoc #t~nondet9;havoc ~keyValue~0; {6795#(= (_ bv0 32) ~compRegistered~0)} is VALID [2018-11-18 21:30:26,909 INFO L256 TraceCheckUtils]: 24: Hoare triple {6795#(= (_ bv0 32) ~compRegistered~0)} call #t~ret10 := CdAudioForwardIrpSynchronous(~DeviceObject, ~Irp); {6795#(= (_ bv0 32) ~compRegistered~0)} is VALID [2018-11-18 21:30:26,910 INFO L273 TraceCheckUtils]: 25: Hoare triple {6795#(= (_ bv0 32) ~compRegistered~0)} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;~deviceExtension__TargetDeviceObject~3 := #t~nondet140;havoc #t~nondet140;~event~2 := #t~nondet141;havoc #t~nondet141;havoc ~status~8;havoc ~irpSp__Control~1; {6795#(= (_ bv0 32) ~compRegistered~0)} is VALID [2018-11-18 21:30:26,911 INFO L273 TraceCheckUtils]: 26: Hoare triple {6795#(= (_ bv0 32) ~compRegistered~0)} assume !(~s~0 != ~NP~0); {6795#(= (_ bv0 32) ~compRegistered~0)} is VALID [2018-11-18 21:30:26,911 INFO L273 TraceCheckUtils]: 27: Hoare triple {6795#(= (_ bv0 32) ~compRegistered~0)} assume 0bv32 != ~compRegistered~0; {6752#false} is VALID [2018-11-18 21:30:26,912 INFO L256 TraceCheckUtils]: 28: Hoare triple {6752#false} call errorFn(); {6752#false} is VALID [2018-11-18 21:30:26,912 INFO L273 TraceCheckUtils]: 29: Hoare triple {6752#false} assume !false; {6752#false} is VALID [2018-11-18 21:30:26,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 21:30:26,914 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 21:30:26,916 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 21:30:26,916 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 21:30:26,917 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2018-11-18 21:30:26,917 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-18 21:30:26,917 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2018-11-18 21:30:26,958 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 30 edges. 30 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 21:30:26,959 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 21:30:26,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 21:30:26,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 21:30:26,960 INFO L87 Difference]: Start difference. First operand 654 states and 933 transitions. Second operand 3 states. [2018-11-18 21:30:30,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 21:30:30,035 INFO L93 Difference]: Finished difference Result 999 states and 1382 transitions. [2018-11-18 21:30:30,035 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 21:30:30,035 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2018-11-18 21:30:30,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 21:30:30,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-18 21:30:30,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1046 transitions. [2018-11-18 21:30:30,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-18 21:30:30,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1046 transitions. [2018-11-18 21:30:30,066 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 1046 transitions. [2018-11-18 21:30:32,039 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 1046 edges. 1046 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 21:30:32,101 INFO L225 Difference]: With dead ends: 999 [2018-11-18 21:30:32,101 INFO L226 Difference]: Without dead ends: 823 [2018-11-18 21:30:32,103 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 21:30:32,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 823 states. [2018-11-18 21:30:32,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 823 to 771. [2018-11-18 21:30:32,956 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-18 21:30:32,956 INFO L82 GeneralOperation]: Start isEquivalent. First operand 823 states. Second operand 771 states. [2018-11-18 21:30:32,956 INFO L74 IsIncluded]: Start isIncluded. First operand 823 states. Second operand 771 states. [2018-11-18 21:30:32,956 INFO L87 Difference]: Start difference. First operand 823 states. Second operand 771 states. [2018-11-18 21:30:33,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 21:30:33,007 INFO L93 Difference]: Finished difference Result 823 states and 1154 transitions. [2018-11-18 21:30:33,007 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 1154 transitions. [2018-11-18 21:30:33,011 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 21:30:33,011 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 21:30:33,011 INFO L74 IsIncluded]: Start isIncluded. First operand 771 states. Second operand 823 states. [2018-11-18 21:30:33,011 INFO L87 Difference]: Start difference. First operand 771 states. Second operand 823 states. [2018-11-18 21:30:33,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 21:30:33,065 INFO L93 Difference]: Finished difference Result 823 states and 1154 transitions. [2018-11-18 21:30:33,066 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 1154 transitions. [2018-11-18 21:30:33,069 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 21:30:33,070 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 21:30:33,070 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-18 21:30:33,070 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-18 21:30:33,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 771 states. [2018-11-18 21:30:33,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 771 states and 1095 transitions. [2018-11-18 21:30:33,124 INFO L78 Accepts]: Start accepts. Automaton has 771 states and 1095 transitions. Word has length 30 [2018-11-18 21:30:33,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 21:30:33,125 INFO L480 AbstractCegarLoop]: Abstraction has 771 states and 1095 transitions. [2018-11-18 21:30:33,125 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 21:30:33,125 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 1095 transitions. [2018-11-18 21:30:33,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 21:30:33,126 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 21:30:33,127 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 21:30:33,127 INFO L423 AbstractCegarLoop]: === Iteration 4 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 21:30:33,127 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 21:30:33,127 INFO L82 PathProgramCache]: Analyzing trace with hash 1290288367, now seen corresponding path program 1 times [2018-11-18 21:30:33,128 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 21:30:33,128 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 5 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 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 21:30:33,161 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 21:30:33,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 21:30:33,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 21:30:33,311 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 21:30:34,080 INFO L256 TraceCheckUtils]: 0: Hoare triple {10785#true} call ULTIMATE.init(); {10785#true} is VALID [2018-11-18 21:30:34,080 INFO L273 TraceCheckUtils]: 1: Hoare triple {10785#true} ~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;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32;~routine~0 := 0bv32;~myStatus~0 := 0bv32;~pirp~0 := 0bv32;~Executive~0 := 0bv32;~Suspended~0 := 0bv32;~KernelMode~0 := 0bv32;~DeviceUsageTypePaging~0 := 0bv32; {10785#true} is VALID [2018-11-18 21:30:34,081 INFO L273 TraceCheckUtils]: 2: Hoare triple {10785#true} assume true; {10785#true} is VALID [2018-11-18 21:30:34,081 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {10785#true} {10785#true} #1497#return; {10785#true} is VALID [2018-11-18 21:30:34,081 INFO L256 TraceCheckUtils]: 4: Hoare triple {10785#true} call #t~ret176 := main(); {10785#true} is VALID [2018-11-18 21:30:34,081 INFO L273 TraceCheckUtils]: 5: Hoare triple {10785#true} havoc ~pirp__IoStatus__Status~0;~d~0 := #t~nondet150;havoc #t~nondet150;~status~9 := #t~nondet151;havoc #t~nondet151;~irp~1 := #t~nondet152;havoc #t~nondet152;~we_should_unload~0 := #t~nondet153;havoc #t~nondet153;~irp_choice~0 := #t~nondet154;havoc #t~nondet154;~devobj~0 := #t~nondet155;havoc #t~nondet155;havoc ~__cil_tmp9~1;~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;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32;~routine~0 := 0bv32;~myStatus~0 := 0bv32;~pirp~0 := 0bv32;~Executive~0 := 0bv32;~Suspended~0 := 5bv32;~KernelMode~0 := 0bv32;~DeviceUsageTypePaging~0 := 1bv32;~pirp~0 := ~irp~1; {10785#true} is VALID [2018-11-18 21:30:34,083 INFO L256 TraceCheckUtils]: 6: Hoare triple {10785#true} call _BLAST_init(); {10785#true} is VALID [2018-11-18 21:30:34,083 INFO L273 TraceCheckUtils]: 7: Hoare triple {10785#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 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32; {10785#true} is VALID [2018-11-18 21:30:34,084 INFO L273 TraceCheckUtils]: 8: Hoare triple {10785#true} assume true; {10785#true} is VALID [2018-11-18 21:30:34,084 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {10785#true} {10785#true} #1365#return; {10785#true} is VALID [2018-11-18 21:30:34,084 INFO L273 TraceCheckUtils]: 10: Hoare triple {10785#true} assume ~bvsge32(~status~9, 0bv32);~s~0 := ~NP~0;~customIrp~0 := 0bv32;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0;~pirp__IoStatus__Status~0 := 0bv32;~myStatus~0 := 0bv32; {10785#true} is VALID [2018-11-18 21:30:34,084 INFO L273 TraceCheckUtils]: 11: Hoare triple {10785#true} assume 0bv32 == ~irp_choice~0;~pirp__IoStatus__Status~0 := 3221225659bv32;~myStatus~0 := 3221225659bv32; {10785#true} is VALID [2018-11-18 21:30:34,086 INFO L256 TraceCheckUtils]: 12: Hoare triple {10785#true} call stub_driver_init(); {10785#true} is VALID [2018-11-18 21:30:34,087 INFO L273 TraceCheckUtils]: 13: Hoare triple {10785#true} ~s~0 := ~NP~0;~customIrp~0 := 0bv32;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0; {10785#true} is VALID [2018-11-18 21:30:34,087 INFO L273 TraceCheckUtils]: 14: Hoare triple {10785#true} assume true; {10785#true} is VALID [2018-11-18 21:30:34,087 INFO L268 TraceCheckUtils]: 15: Hoare quadruple {10785#true} {10785#true} #1367#return; {10785#true} is VALID [2018-11-18 21:30:34,088 INFO L273 TraceCheckUtils]: 16: Hoare triple {10785#true} assume !~bvslt32(~status~9, 0bv32);havoc ~tmp_ndt_1~0;~tmp_ndt_1~0 := #t~nondet156;havoc #t~nondet156; {10785#true} is VALID [2018-11-18 21:30:34,088 INFO L273 TraceCheckUtils]: 17: Hoare triple {10785#true} assume !(2bv32 == ~tmp_ndt_1~0);havoc ~tmp_ndt_2~0;~tmp_ndt_2~0 := #t~nondet157;havoc #t~nondet157; {10785#true} is VALID [2018-11-18 21:30:34,088 INFO L273 TraceCheckUtils]: 18: Hoare triple {10785#true} assume 3bv32 == ~tmp_ndt_2~0; {10785#true} is VALID [2018-11-18 21:30:34,088 INFO L256 TraceCheckUtils]: 19: Hoare triple {10785#true} call #t~ret160 := CdAudioPnp(~devobj~0, ~pirp~0); {10785#true} is VALID [2018-11-18 21:30:34,089 INFO L273 TraceCheckUtils]: 20: Hoare triple {10785#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;~Irp__Tail__Overlay__CurrentStackLocation~0 := #t~nondet14;havoc #t~nondet14;~irpSp__MinorFunction~0 := #t~nondet15;havoc #t~nondet15;havoc ~Irp__IoStatus__Status~0;~irpSp__Parameters__UsageNotification__Type~0 := #t~nondet16;havoc #t~nondet16;~deviceExtension__PagingPathCountEvent~0 := #t~nondet17;havoc #t~nondet17;~irpSp__Parameters__UsageNotification__InPath~0 := #t~nondet18;havoc #t~nondet18;~deviceExtension__PagingPathCount~0 := #t~nondet19;havoc #t~nondet19;havoc ~DeviceObject__Flags~0;havoc ~irpSp~0;havoc ~status~2;havoc ~setPagable~0;havoc ~tmp~1;havoc ~tmp___0~0;~irpSp~0 := ~Irp__Tail__Overlay__CurrentStackLocation~0;~status~2 := 3221225659bv32; {10785#true} is VALID [2018-11-18 21:30:34,089 INFO L273 TraceCheckUtils]: 21: Hoare triple {10785#true} assume !(0bv32 == ~irpSp__MinorFunction~0); {10785#true} is VALID [2018-11-18 21:30:34,089 INFO L273 TraceCheckUtils]: 22: Hoare triple {10785#true} assume 22bv32 == ~irpSp__MinorFunction~0; {10785#true} is VALID [2018-11-18 21:30:34,089 INFO L273 TraceCheckUtils]: 23: Hoare triple {10785#true} assume !(~irpSp__Parameters__UsageNotification__Type~0 != ~DeviceUsageTypePaging~0); {10785#true} is VALID [2018-11-18 21:30:34,090 INFO L256 TraceCheckUtils]: 24: Hoare triple {10785#true} call #t~ret22 := KeWaitForSingleObject(~deviceExtension__PagingPathCountEvent~0, ~Executive~0, ~KernelMode~0, 0bv32, 0bv32); {10785#true} is VALID [2018-11-18 21:30:34,090 INFO L273 TraceCheckUtils]: 25: Hoare triple {10785#true} ~Object := #in~Object;~WaitReason := #in~WaitReason;~WaitMode := #in~WaitMode;~Alertable := #in~Alertable;~Timeout := #in~Timeout; {10785#true} is VALID [2018-11-18 21:30:34,104 INFO L273 TraceCheckUtils]: 26: Hoare triple {10785#true} assume !(~s~0 == ~MPR3~0); {10868#(not (= ~MPR3~0 ~s~0))} is VALID [2018-11-18 21:30:34,117 INFO L273 TraceCheckUtils]: 27: Hoare triple {10868#(not (= ~MPR3~0 ~s~0))} assume !(1bv32 == ~customIrp~0); {10868#(not (= ~MPR3~0 ~s~0))} is VALID [2018-11-18 21:30:34,128 INFO L273 TraceCheckUtils]: 28: Hoare triple {10868#(not (= ~MPR3~0 ~s~0))} assume ~s~0 == ~MPR3~0; {10786#false} is VALID [2018-11-18 21:30:34,128 INFO L256 TraceCheckUtils]: 29: Hoare triple {10786#false} call errorFn(); {10786#false} is VALID [2018-11-18 21:30:34,129 INFO L273 TraceCheckUtils]: 30: Hoare triple {10786#false} assume !false; {10786#false} is VALID [2018-11-18 21:30:34,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 21:30:34,132 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 21:30:34,137 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 21:30:34,137 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 21:30:34,137 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2018-11-18 21:30:34,137 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-18 21:30:34,138 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2018-11-18 21:30:34,306 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 31 edges. 31 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 21:30:34,306 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 21:30:34,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 21:30:34,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 21:30:34,307 INFO L87 Difference]: Start difference. First operand 771 states and 1095 transitions. Second operand 3 states. [2018-11-18 21:30:38,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 21:30:38,381 INFO L93 Difference]: Finished difference Result 1436 states and 2104 transitions. [2018-11-18 21:30:38,381 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 21:30:38,381 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2018-11-18 21:30:38,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 21:30:38,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-18 21:30:38,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1279 transitions. [2018-11-18 21:30:38,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-18 21:30:38,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1279 transitions. [2018-11-18 21:30:38,431 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 1279 transitions. [2018-11-18 21:30:40,481 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 1279 edges. 1279 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 21:30:40,580 INFO L225 Difference]: With dead ends: 1436 [2018-11-18 21:30:40,580 INFO L226 Difference]: Without dead ends: 1168 [2018-11-18 21:30:40,582 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 21:30:40,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1168 states. [2018-11-18 21:30:41,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1168 to 907. [2018-11-18 21:30:41,326 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-18 21:30:41,326 INFO L82 GeneralOperation]: Start isEquivalent. First operand 1168 states. Second operand 907 states. [2018-11-18 21:30:41,327 INFO L74 IsIncluded]: Start isIncluded. First operand 1168 states. Second operand 907 states. [2018-11-18 21:30:41,327 INFO L87 Difference]: Start difference. First operand 1168 states. Second operand 907 states. [2018-11-18 21:30:41,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 21:30:41,415 INFO L93 Difference]: Finished difference Result 1168 states and 1716 transitions. [2018-11-18 21:30:41,415 INFO L276 IsEmpty]: Start isEmpty. Operand 1168 states and 1716 transitions. [2018-11-18 21:30:41,421 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 21:30:41,421 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 21:30:41,421 INFO L74 IsIncluded]: Start isIncluded. First operand 907 states. Second operand 1168 states. [2018-11-18 21:30:41,421 INFO L87 Difference]: Start difference. First operand 907 states. Second operand 1168 states. [2018-11-18 21:30:41,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 21:30:41,511 INFO L93 Difference]: Finished difference Result 1168 states and 1716 transitions. [2018-11-18 21:30:41,512 INFO L276 IsEmpty]: Start isEmpty. Operand 1168 states and 1716 transitions. [2018-11-18 21:30:41,517 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 21:30:41,518 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 21:30:41,518 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-18 21:30:41,518 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-18 21:30:41,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 907 states. [2018-11-18 21:30:41,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 907 states and 1331 transitions. [2018-11-18 21:30:41,592 INFO L78 Accepts]: Start accepts. Automaton has 907 states and 1331 transitions. Word has length 31 [2018-11-18 21:30:41,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 21:30:41,593 INFO L480 AbstractCegarLoop]: Abstraction has 907 states and 1331 transitions. [2018-11-18 21:30:41,593 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 21:30:41,593 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states and 1331 transitions. [2018-11-18 21:30:41,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-18 21:30:41,596 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 21:30:41,596 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 21:30:41,596 INFO L423 AbstractCegarLoop]: === Iteration 5 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 21:30:41,597 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 21:30:41,597 INFO L82 PathProgramCache]: Analyzing trace with hash 1105841973, now seen corresponding path program 1 times [2018-11-18 21:30:41,597 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 21:30:41,597 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 6 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 6 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 21:30:41,627 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 21:30:41,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 21:30:41,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 21:30:41,762 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 21:30:42,016 INFO L256 TraceCheckUtils]: 0: Hoare triple {16262#true} call ULTIMATE.init(); {16262#true} is VALID [2018-11-18 21:30:42,017 INFO L273 TraceCheckUtils]: 1: Hoare triple {16262#true} ~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;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32;~routine~0 := 0bv32;~myStatus~0 := 0bv32;~pirp~0 := 0bv32;~Executive~0 := 0bv32;~Suspended~0 := 0bv32;~KernelMode~0 := 0bv32;~DeviceUsageTypePaging~0 := 0bv32; {16262#true} is VALID [2018-11-18 21:30:42,017 INFO L273 TraceCheckUtils]: 2: Hoare triple {16262#true} assume true; {16262#true} is VALID [2018-11-18 21:30:42,017 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {16262#true} {16262#true} #1497#return; {16262#true} is VALID [2018-11-18 21:30:42,018 INFO L256 TraceCheckUtils]: 4: Hoare triple {16262#true} call #t~ret176 := main(); {16262#true} is VALID [2018-11-18 21:30:42,018 INFO L273 TraceCheckUtils]: 5: Hoare triple {16262#true} havoc ~pirp__IoStatus__Status~0;~d~0 := #t~nondet150;havoc #t~nondet150;~status~9 := #t~nondet151;havoc #t~nondet151;~irp~1 := #t~nondet152;havoc #t~nondet152;~we_should_unload~0 := #t~nondet153;havoc #t~nondet153;~irp_choice~0 := #t~nondet154;havoc #t~nondet154;~devobj~0 := #t~nondet155;havoc #t~nondet155;havoc ~__cil_tmp9~1;~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;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32;~routine~0 := 0bv32;~myStatus~0 := 0bv32;~pirp~0 := 0bv32;~Executive~0 := 0bv32;~Suspended~0 := 5bv32;~KernelMode~0 := 0bv32;~DeviceUsageTypePaging~0 := 1bv32;~pirp~0 := ~irp~1; {16262#true} is VALID [2018-11-18 21:30:42,018 INFO L256 TraceCheckUtils]: 6: Hoare triple {16262#true} call _BLAST_init(); {16262#true} is VALID [2018-11-18 21:30:42,024 INFO L273 TraceCheckUtils]: 7: Hoare triple {16262#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 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32; {16288#(and (= (_ bv1 32) ~NP~0) (= (bvadd ~MPR3~0 (_ bv4294967290 32)) (_ bv0 32)))} is VALID [2018-11-18 21:30:42,025 INFO L273 TraceCheckUtils]: 8: Hoare triple {16288#(and (= (_ bv1 32) ~NP~0) (= (bvadd ~MPR3~0 (_ bv4294967290 32)) (_ bv0 32)))} assume true; {16288#(and (= (_ bv1 32) ~NP~0) (= (bvadd ~MPR3~0 (_ bv4294967290 32)) (_ bv0 32)))} is VALID [2018-11-18 21:30:42,025 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {16288#(and (= (_ bv1 32) ~NP~0) (= (bvadd ~MPR3~0 (_ bv4294967290 32)) (_ bv0 32)))} {16262#true} #1365#return; {16288#(and (= (_ bv1 32) ~NP~0) (= (bvadd ~MPR3~0 (_ bv4294967290 32)) (_ bv0 32)))} is VALID [2018-11-18 21:30:42,026 INFO L273 TraceCheckUtils]: 10: Hoare triple {16288#(and (= (_ bv1 32) ~NP~0) (= (bvadd ~MPR3~0 (_ bv4294967290 32)) (_ bv0 32)))} assume ~bvsge32(~status~9, 0bv32);~s~0 := ~NP~0;~customIrp~0 := 0bv32;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0;~pirp__IoStatus__Status~0 := 0bv32;~myStatus~0 := 0bv32; {16288#(and (= (_ bv1 32) ~NP~0) (= (bvadd ~MPR3~0 (_ bv4294967290 32)) (_ bv0 32)))} is VALID [2018-11-18 21:30:42,026 INFO L273 TraceCheckUtils]: 11: Hoare triple {16288#(and (= (_ bv1 32) ~NP~0) (= (bvadd ~MPR3~0 (_ bv4294967290 32)) (_ bv0 32)))} assume 0bv32 == ~irp_choice~0;~pirp__IoStatus__Status~0 := 3221225659bv32;~myStatus~0 := 3221225659bv32; {16288#(and (= (_ bv1 32) ~NP~0) (= (bvadd ~MPR3~0 (_ bv4294967290 32)) (_ bv0 32)))} is VALID [2018-11-18 21:30:42,027 INFO L256 TraceCheckUtils]: 12: Hoare triple {16288#(and (= (_ bv1 32) ~NP~0) (= (bvadd ~MPR3~0 (_ bv4294967290 32)) (_ bv0 32)))} call stub_driver_init(); {16288#(and (= (_ bv1 32) ~NP~0) (= (bvadd ~MPR3~0 (_ bv4294967290 32)) (_ bv0 32)))} is VALID [2018-11-18 21:30:42,027 INFO L273 TraceCheckUtils]: 13: Hoare triple {16288#(and (= (_ bv1 32) ~NP~0) (= (bvadd ~MPR3~0 (_ bv4294967290 32)) (_ bv0 32)))} ~s~0 := ~NP~0;~customIrp~0 := 0bv32;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0; {16307#(and (= (_ bv1 32) ~NP~0) (= ~NP~0 ~s~0) (= (bvadd ~MPR3~0 (_ bv4294967290 32)) (_ bv0 32)))} is VALID [2018-11-18 21:30:42,028 INFO L273 TraceCheckUtils]: 14: Hoare triple {16307#(and (= (_ bv1 32) ~NP~0) (= ~NP~0 ~s~0) (= (bvadd ~MPR3~0 (_ bv4294967290 32)) (_ bv0 32)))} assume true; {16307#(and (= (_ bv1 32) ~NP~0) (= ~NP~0 ~s~0) (= (bvadd ~MPR3~0 (_ bv4294967290 32)) (_ bv0 32)))} is VALID [2018-11-18 21:30:42,044 INFO L268 TraceCheckUtils]: 15: Hoare quadruple {16307#(and (= (_ bv1 32) ~NP~0) (= ~NP~0 ~s~0) (= (bvadd ~MPR3~0 (_ bv4294967290 32)) (_ bv0 32)))} {16288#(and (= (_ bv1 32) ~NP~0) (= (bvadd ~MPR3~0 (_ bv4294967290 32)) (_ bv0 32)))} #1367#return; {16314#(and (= (_ bv1 32) ~s~0) (= (bvadd ~MPR3~0 (_ bv4294967290 32)) (_ bv0 32)))} is VALID [2018-11-18 21:30:42,046 INFO L273 TraceCheckUtils]: 16: Hoare triple {16314#(and (= (_ bv1 32) ~s~0) (= (bvadd ~MPR3~0 (_ bv4294967290 32)) (_ bv0 32)))} assume !~bvslt32(~status~9, 0bv32);havoc ~tmp_ndt_1~0;~tmp_ndt_1~0 := #t~nondet156;havoc #t~nondet156; {16314#(and (= (_ bv1 32) ~s~0) (= (bvadd ~MPR3~0 (_ bv4294967290 32)) (_ bv0 32)))} is VALID [2018-11-18 21:30:42,046 INFO L273 TraceCheckUtils]: 17: Hoare triple {16314#(and (= (_ bv1 32) ~s~0) (= (bvadd ~MPR3~0 (_ bv4294967290 32)) (_ bv0 32)))} assume !(2bv32 == ~tmp_ndt_1~0);havoc ~tmp_ndt_2~0;~tmp_ndt_2~0 := #t~nondet157;havoc #t~nondet157; {16314#(and (= (_ bv1 32) ~s~0) (= (bvadd ~MPR3~0 (_ bv4294967290 32)) (_ bv0 32)))} is VALID [2018-11-18 21:30:42,047 INFO L273 TraceCheckUtils]: 18: Hoare triple {16314#(and (= (_ bv1 32) ~s~0) (= (bvadd ~MPR3~0 (_ bv4294967290 32)) (_ bv0 32)))} assume 3bv32 == ~tmp_ndt_2~0; {16314#(and (= (_ bv1 32) ~s~0) (= (bvadd ~MPR3~0 (_ bv4294967290 32)) (_ bv0 32)))} is VALID [2018-11-18 21:30:42,048 INFO L256 TraceCheckUtils]: 19: Hoare triple {16314#(and (= (_ bv1 32) ~s~0) (= (bvadd ~MPR3~0 (_ bv4294967290 32)) (_ bv0 32)))} call #t~ret160 := CdAudioPnp(~devobj~0, ~pirp~0); {16314#(and (= (_ bv1 32) ~s~0) (= (bvadd ~MPR3~0 (_ bv4294967290 32)) (_ bv0 32)))} is VALID [2018-11-18 21:30:42,048 INFO L273 TraceCheckUtils]: 20: Hoare triple {16314#(and (= (_ bv1 32) ~s~0) (= (bvadd ~MPR3~0 (_ bv4294967290 32)) (_ bv0 32)))} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;~Irp__Tail__Overlay__CurrentStackLocation~0 := #t~nondet14;havoc #t~nondet14;~irpSp__MinorFunction~0 := #t~nondet15;havoc #t~nondet15;havoc ~Irp__IoStatus__Status~0;~irpSp__Parameters__UsageNotification__Type~0 := #t~nondet16;havoc #t~nondet16;~deviceExtension__PagingPathCountEvent~0 := #t~nondet17;havoc #t~nondet17;~irpSp__Parameters__UsageNotification__InPath~0 := #t~nondet18;havoc #t~nondet18;~deviceExtension__PagingPathCount~0 := #t~nondet19;havoc #t~nondet19;havoc ~DeviceObject__Flags~0;havoc ~irpSp~0;havoc ~status~2;havoc ~setPagable~0;havoc ~tmp~1;havoc ~tmp___0~0;~irpSp~0 := ~Irp__Tail__Overlay__CurrentStackLocation~0;~status~2 := 3221225659bv32; {16314#(and (= (_ bv1 32) ~s~0) (= (bvadd ~MPR3~0 (_ bv4294967290 32)) (_ bv0 32)))} is VALID [2018-11-18 21:30:42,049 INFO L273 TraceCheckUtils]: 21: Hoare triple {16314#(and (= (_ bv1 32) ~s~0) (= (bvadd ~MPR3~0 (_ bv4294967290 32)) (_ bv0 32)))} assume !(0bv32 == ~irpSp__MinorFunction~0); {16314#(and (= (_ bv1 32) ~s~0) (= (bvadd ~MPR3~0 (_ bv4294967290 32)) (_ bv0 32)))} is VALID [2018-11-18 21:30:42,054 INFO L273 TraceCheckUtils]: 22: Hoare triple {16314#(and (= (_ bv1 32) ~s~0) (= (bvadd ~MPR3~0 (_ bv4294967290 32)) (_ bv0 32)))} assume 22bv32 == ~irpSp__MinorFunction~0; {16314#(and (= (_ bv1 32) ~s~0) (= (bvadd ~MPR3~0 (_ bv4294967290 32)) (_ bv0 32)))} is VALID [2018-11-18 21:30:42,055 INFO L273 TraceCheckUtils]: 23: Hoare triple {16314#(and (= (_ bv1 32) ~s~0) (= (bvadd ~MPR3~0 (_ bv4294967290 32)) (_ bv0 32)))} assume !(~irpSp__Parameters__UsageNotification__Type~0 != ~DeviceUsageTypePaging~0); {16314#(and (= (_ bv1 32) ~s~0) (= (bvadd ~MPR3~0 (_ bv4294967290 32)) (_ bv0 32)))} is VALID [2018-11-18 21:30:42,055 INFO L256 TraceCheckUtils]: 24: Hoare triple {16314#(and (= (_ bv1 32) ~s~0) (= (bvadd ~MPR3~0 (_ bv4294967290 32)) (_ bv0 32)))} call #t~ret22 := KeWaitForSingleObject(~deviceExtension__PagingPathCountEvent~0, ~Executive~0, ~KernelMode~0, 0bv32, 0bv32); {16314#(and (= (_ bv1 32) ~s~0) (= (bvadd ~MPR3~0 (_ bv4294967290 32)) (_ bv0 32)))} is VALID [2018-11-18 21:30:42,056 INFO L273 TraceCheckUtils]: 25: Hoare triple {16314#(and (= (_ bv1 32) ~s~0) (= (bvadd ~MPR3~0 (_ bv4294967290 32)) (_ bv0 32)))} ~Object := #in~Object;~WaitReason := #in~WaitReason;~WaitMode := #in~WaitMode;~Alertable := #in~Alertable;~Timeout := #in~Timeout; {16314#(and (= (_ bv1 32) ~s~0) (= (bvadd ~MPR3~0 (_ bv4294967290 32)) (_ bv0 32)))} is VALID [2018-11-18 21:30:42,057 INFO L273 TraceCheckUtils]: 26: Hoare triple {16314#(and (= (_ bv1 32) ~s~0) (= (bvadd ~MPR3~0 (_ bv4294967290 32)) (_ bv0 32)))} assume ~s~0 == ~MPR3~0; {16263#false} is VALID [2018-11-18 21:30:42,057 INFO L273 TraceCheckUtils]: 27: Hoare triple {16263#false} assume !(1bv32 == ~setEventCalled~0); {16263#false} is VALID [2018-11-18 21:30:42,057 INFO L273 TraceCheckUtils]: 28: Hoare triple {16263#false} assume !(1bv32 == ~customIrp~0); {16263#false} is VALID [2018-11-18 21:30:42,057 INFO L273 TraceCheckUtils]: 29: Hoare triple {16263#false} assume ~s~0 == ~MPR3~0; {16263#false} is VALID [2018-11-18 21:30:42,057 INFO L256 TraceCheckUtils]: 30: Hoare triple {16263#false} call errorFn(); {16263#false} is VALID [2018-11-18 21:30:42,057 INFO L273 TraceCheckUtils]: 31: Hoare triple {16263#false} assume !false; {16263#false} is VALID [2018-11-18 21:30:42,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 21:30:42,062 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 21:30:42,067 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 21:30:42,068 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 21:30:42,068 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2018-11-18 21:30:42,068 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-18 21:30:42,069 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2018-11-18 21:30:42,130 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 21:30:42,131 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 21:30:42,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 21:30:42,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 21:30:42,132 INFO L87 Difference]: Start difference. First operand 907 states and 1331 transitions. Second operand 5 states. [2018-11-18 21:30:52,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 21:30:52,311 INFO L93 Difference]: Finished difference Result 1499 states and 2215 transitions. [2018-11-18 21:30:52,312 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 21:30:52,312 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2018-11-18 21:30:52,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 21:30:52,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-18 21:30:52,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1340 transitions. [2018-11-18 21:30:52,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-18 21:30:52,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1340 transitions. [2018-11-18 21:30:52,338 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 1340 transitions. [2018-11-18 21:30:54,699 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 1340 edges. 1340 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 21:30:54,752 INFO L225 Difference]: With dead ends: 1499 [2018-11-18 21:30:54,752 INFO L226 Difference]: Without dead ends: 917 [2018-11-18 21:30:54,754 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 21:30:54,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 917 states. [2018-11-18 21:30:56,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 917 to 895. [2018-11-18 21:30:56,458 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-18 21:30:56,458 INFO L82 GeneralOperation]: Start isEquivalent. First operand 917 states. Second operand 895 states. [2018-11-18 21:30:56,459 INFO L74 IsIncluded]: Start isIncluded. First operand 917 states. Second operand 895 states. [2018-11-18 21:30:56,459 INFO L87 Difference]: Start difference. First operand 917 states. Second operand 895 states. [2018-11-18 21:30:56,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 21:30:56,503 INFO L93 Difference]: Finished difference Result 917 states and 1337 transitions. [2018-11-18 21:30:56,503 INFO L276 IsEmpty]: Start isEmpty. Operand 917 states and 1337 transitions. [2018-11-18 21:30:56,508 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 21:30:56,508 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 21:30:56,508 INFO L74 IsIncluded]: Start isIncluded. First operand 895 states. Second operand 917 states. [2018-11-18 21:30:56,508 INFO L87 Difference]: Start difference. First operand 895 states. Second operand 917 states. [2018-11-18 21:30:56,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 21:30:56,565 INFO L93 Difference]: Finished difference Result 917 states and 1337 transitions. [2018-11-18 21:30:56,565 INFO L276 IsEmpty]: Start isEmpty. Operand 917 states and 1337 transitions. [2018-11-18 21:30:56,569 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 21:30:56,570 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 21:30:56,570 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-18 21:30:56,570 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-18 21:30:56,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 895 states. [2018-11-18 21:30:56,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 895 states to 895 states and 1307 transitions. [2018-11-18 21:30:56,632 INFO L78 Accepts]: Start accepts. Automaton has 895 states and 1307 transitions. Word has length 32 [2018-11-18 21:30:56,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 21:30:56,632 INFO L480 AbstractCegarLoop]: Abstraction has 895 states and 1307 transitions. [2018-11-18 21:30:56,632 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 21:30:56,632 INFO L276 IsEmpty]: Start isEmpty. Operand 895 states and 1307 transitions. [2018-11-18 21:30:56,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-18 21:30:56,635 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 21:30:56,635 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 21:30:56,635 INFO L423 AbstractCegarLoop]: === Iteration 6 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 21:30:56,636 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 21:30:56,636 INFO L82 PathProgramCache]: Analyzing trace with hash -1683321273, now seen corresponding path program 1 times [2018-11-18 21:30:56,636 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 21:30:56,636 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 7 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 7 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 21:30:56,664 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 21:30:56,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 21:30:56,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 21:30:56,794 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 21:30:56,846 INFO L256 TraceCheckUtils]: 0: Hoare triple {21276#true} call ULTIMATE.init(); {21276#true} is VALID [2018-11-18 21:30:56,847 INFO L273 TraceCheckUtils]: 1: Hoare triple {21276#true} ~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;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32;~routine~0 := 0bv32;~myStatus~0 := 0bv32;~pirp~0 := 0bv32;~Executive~0 := 0bv32;~Suspended~0 := 0bv32;~KernelMode~0 := 0bv32;~DeviceUsageTypePaging~0 := 0bv32; {21276#true} is VALID [2018-11-18 21:30:56,847 INFO L273 TraceCheckUtils]: 2: Hoare triple {21276#true} assume true; {21276#true} is VALID [2018-11-18 21:30:56,847 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {21276#true} {21276#true} #1497#return; {21276#true} is VALID [2018-11-18 21:30:56,848 INFO L256 TraceCheckUtils]: 4: Hoare triple {21276#true} call #t~ret176 := main(); {21276#true} is VALID [2018-11-18 21:30:56,848 INFO L273 TraceCheckUtils]: 5: Hoare triple {21276#true} havoc ~pirp__IoStatus__Status~0;~d~0 := #t~nondet150;havoc #t~nondet150;~status~9 := #t~nondet151;havoc #t~nondet151;~irp~1 := #t~nondet152;havoc #t~nondet152;~we_should_unload~0 := #t~nondet153;havoc #t~nondet153;~irp_choice~0 := #t~nondet154;havoc #t~nondet154;~devobj~0 := #t~nondet155;havoc #t~nondet155;havoc ~__cil_tmp9~1;~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;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32;~routine~0 := 0bv32;~myStatus~0 := 0bv32;~pirp~0 := 0bv32;~Executive~0 := 0bv32;~Suspended~0 := 5bv32;~KernelMode~0 := 0bv32;~DeviceUsageTypePaging~0 := 1bv32;~pirp~0 := ~irp~1; {21276#true} is VALID [2018-11-18 21:30:56,848 INFO L256 TraceCheckUtils]: 6: Hoare triple {21276#true} call _BLAST_init(); {21276#true} is VALID [2018-11-18 21:30:56,848 INFO L273 TraceCheckUtils]: 7: Hoare triple {21276#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 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32; {21276#true} is VALID [2018-11-18 21:30:56,848 INFO L273 TraceCheckUtils]: 8: Hoare triple {21276#true} assume true; {21276#true} is VALID [2018-11-18 21:30:56,848 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {21276#true} {21276#true} #1365#return; {21276#true} is VALID [2018-11-18 21:30:56,849 INFO L273 TraceCheckUtils]: 10: Hoare triple {21276#true} assume ~bvsge32(~status~9, 0bv32);~s~0 := ~NP~0;~customIrp~0 := 0bv32;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0;~pirp__IoStatus__Status~0 := 0bv32;~myStatus~0 := 0bv32; {21276#true} is VALID [2018-11-18 21:30:56,849 INFO L273 TraceCheckUtils]: 11: Hoare triple {21276#true} assume 0bv32 == ~irp_choice~0;~pirp__IoStatus__Status~0 := 3221225659bv32;~myStatus~0 := 3221225659bv32; {21276#true} is VALID [2018-11-18 21:30:56,849 INFO L256 TraceCheckUtils]: 12: Hoare triple {21276#true} call stub_driver_init(); {21276#true} is VALID [2018-11-18 21:30:56,849 INFO L273 TraceCheckUtils]: 13: Hoare triple {21276#true} ~s~0 := ~NP~0;~customIrp~0 := 0bv32;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0; {21276#true} is VALID [2018-11-18 21:30:56,849 INFO L273 TraceCheckUtils]: 14: Hoare triple {21276#true} assume true; {21276#true} is VALID [2018-11-18 21:30:56,850 INFO L268 TraceCheckUtils]: 15: Hoare quadruple {21276#true} {21276#true} #1367#return; {21276#true} is VALID [2018-11-18 21:30:56,850 INFO L273 TraceCheckUtils]: 16: Hoare triple {21276#true} assume !~bvslt32(~status~9, 0bv32);havoc ~tmp_ndt_1~0;~tmp_ndt_1~0 := #t~nondet156;havoc #t~nondet156; {21276#true} is VALID [2018-11-18 21:30:56,850 INFO L273 TraceCheckUtils]: 17: Hoare triple {21276#true} assume !(2bv32 == ~tmp_ndt_1~0);havoc ~tmp_ndt_2~0;~tmp_ndt_2~0 := #t~nondet157;havoc #t~nondet157; {21276#true} is VALID [2018-11-18 21:30:56,850 INFO L273 TraceCheckUtils]: 18: Hoare triple {21276#true} assume 3bv32 == ~tmp_ndt_2~0; {21276#true} is VALID [2018-11-18 21:30:56,851 INFO L256 TraceCheckUtils]: 19: Hoare triple {21276#true} call #t~ret160 := CdAudioPnp(~devobj~0, ~pirp~0); {21276#true} is VALID [2018-11-18 21:30:56,851 INFO L273 TraceCheckUtils]: 20: Hoare triple {21276#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;~Irp__Tail__Overlay__CurrentStackLocation~0 := #t~nondet14;havoc #t~nondet14;~irpSp__MinorFunction~0 := #t~nondet15;havoc #t~nondet15;havoc ~Irp__IoStatus__Status~0;~irpSp__Parameters__UsageNotification__Type~0 := #t~nondet16;havoc #t~nondet16;~deviceExtension__PagingPathCountEvent~0 := #t~nondet17;havoc #t~nondet17;~irpSp__Parameters__UsageNotification__InPath~0 := #t~nondet18;havoc #t~nondet18;~deviceExtension__PagingPathCount~0 := #t~nondet19;havoc #t~nondet19;havoc ~DeviceObject__Flags~0;havoc ~irpSp~0;havoc ~status~2;havoc ~setPagable~0;havoc ~tmp~1;havoc ~tmp___0~0;~irpSp~0 := ~Irp__Tail__Overlay__CurrentStackLocation~0;~status~2 := 3221225659bv32; {21276#true} is VALID [2018-11-18 21:30:56,851 INFO L273 TraceCheckUtils]: 21: Hoare triple {21276#true} assume !(0bv32 == ~irpSp__MinorFunction~0); {21276#true} is VALID [2018-11-18 21:30:56,851 INFO L273 TraceCheckUtils]: 22: Hoare triple {21276#true} assume !(22bv32 == ~irpSp__MinorFunction~0); {21276#true} is VALID [2018-11-18 21:30:56,851 INFO L256 TraceCheckUtils]: 23: Hoare triple {21276#true} call #t~ret25 := CdAudioSendToNextDriver(~DeviceObject, ~Irp); {21276#true} is VALID [2018-11-18 21:30:56,852 INFO L273 TraceCheckUtils]: 24: Hoare triple {21276#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;~Irp__CurrentLocation~0 := #t~nondet32;havoc #t~nondet32;~Irp__Tail__Overlay__CurrentStackLocation~1 := #t~nondet33;havoc #t~nondet33;~deviceExtension__TargetDeviceObject~0 := #t~nondet34;havoc #t~nondet34;havoc ~tmp~2; {21276#true} is VALID [2018-11-18 21:30:56,852 INFO L273 TraceCheckUtils]: 25: Hoare triple {21276#true} assume ~s~0 == ~NP~0;~s~0 := ~SKIP1~0; {21356#(= ~SKIP1~0 ~s~0)} is VALID [2018-11-18 21:30:56,856 INFO L273 TraceCheckUtils]: 26: Hoare triple {21356#(= ~SKIP1~0 ~s~0)} #t~post35 := ~Irp__CurrentLocation~0;~Irp__CurrentLocation~0 := ~bvadd32(1bv32, #t~post35);havoc #t~post35;#t~post36 := ~Irp__Tail__Overlay__CurrentStackLocation~1;~Irp__Tail__Overlay__CurrentStackLocation~1 := ~bvadd32(1bv32, #t~post36);havoc #t~post36; {21356#(= ~SKIP1~0 ~s~0)} is VALID [2018-11-18 21:30:56,856 INFO L256 TraceCheckUtils]: 27: Hoare triple {21356#(= ~SKIP1~0 ~s~0)} call #t~ret37 := IofCallDriver(~deviceExtension__TargetDeviceObject~0, ~Irp); {21356#(= ~SKIP1~0 ~s~0)} is VALID [2018-11-18 21:30:56,874 INFO L273 TraceCheckUtils]: 28: Hoare triple {21356#(= ~SKIP1~0 ~s~0)} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;~Irp__PendingReturned~1 := #t~nondet162;havoc #t~nondet162;havoc ~returnVal2~0;havoc ~compRetStatus~0;~lcontext~0 := #t~nondet163;havoc #t~nondet163;havoc ~__cil_tmp8~1; {21356#(= ~SKIP1~0 ~s~0)} is VALID [2018-11-18 21:30:56,883 INFO L273 TraceCheckUtils]: 29: Hoare triple {21356#(= ~SKIP1~0 ~s~0)} assume !(0bv32 != ~compRegistered~0); {21356#(= ~SKIP1~0 ~s~0)} is VALID [2018-11-18 21:30:56,896 INFO L273 TraceCheckUtils]: 30: Hoare triple {21356#(= ~SKIP1~0 ~s~0)} assume 0bv32 != ~Irp__PendingReturned~1;~returnVal2~0 := 259bv32; {21356#(= ~SKIP1~0 ~s~0)} is VALID [2018-11-18 21:30:56,906 INFO L273 TraceCheckUtils]: 31: Hoare triple {21356#(= ~SKIP1~0 ~s~0)} assume !(~s~0 == ~NP~0); {21356#(= ~SKIP1~0 ~s~0)} is VALID [2018-11-18 21:30:56,911 INFO L273 TraceCheckUtils]: 32: Hoare triple {21356#(= ~SKIP1~0 ~s~0)} assume !(~s~0 == ~MPR1~0); {21356#(= ~SKIP1~0 ~s~0)} is VALID [2018-11-18 21:30:56,911 INFO L273 TraceCheckUtils]: 33: Hoare triple {21356#(= ~SKIP1~0 ~s~0)} assume !(~s~0 == ~SKIP1~0); {21277#false} is VALID [2018-11-18 21:30:56,911 INFO L256 TraceCheckUtils]: 34: Hoare triple {21277#false} call errorFn(); {21277#false} is VALID [2018-11-18 21:30:56,912 INFO L273 TraceCheckUtils]: 35: Hoare triple {21277#false} assume !false; {21277#false} is VALID [2018-11-18 21:30:56,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 21:30:56,913 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 21:30:56,916 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 21:30:56,916 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 21:30:56,916 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2018-11-18 21:30:56,917 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-18 21:30:56,917 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2018-11-18 21:30:56,971 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 36 edges. 36 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 21:30:56,972 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 21:30:56,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 21:30:56,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 21:30:56,973 INFO L87 Difference]: Start difference. First operand 895 states and 1307 transitions. Second operand 3 states. [2018-11-18 21:30:59,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 21:30:59,628 INFO L93 Difference]: Finished difference Result 898 states and 1309 transitions. [2018-11-18 21:30:59,628 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 21:30:59,628 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2018-11-18 21:30:59,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 21:30:59,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-18 21:30:59,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 729 transitions. [2018-11-18 21:30:59,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-18 21:30:59,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 729 transitions. [2018-11-18 21:30:59,644 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 729 transitions. [2018-11-18 21:31:00,530 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 729 edges. 729 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 21:31:00,582 INFO L225 Difference]: With dead ends: 898 [2018-11-18 21:31:00,583 INFO L226 Difference]: Without dead ends: 894 [2018-11-18 21:31:00,584 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 21:31:00,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 894 states. [2018-11-18 21:31:02,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 894 to 894. [2018-11-18 21:31:02,313 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-18 21:31:02,313 INFO L82 GeneralOperation]: Start isEquivalent. First operand 894 states. Second operand 894 states. [2018-11-18 21:31:02,313 INFO L74 IsIncluded]: Start isIncluded. First operand 894 states. Second operand 894 states. [2018-11-18 21:31:02,313 INFO L87 Difference]: Start difference. First operand 894 states. Second operand 894 states. [2018-11-18 21:31:02,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 21:31:02,354 INFO L93 Difference]: Finished difference Result 894 states and 1304 transitions. [2018-11-18 21:31:02,354 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1304 transitions. [2018-11-18 21:31:02,357 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 21:31:02,357 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 21:31:02,358 INFO L74 IsIncluded]: Start isIncluded. First operand 894 states. Second operand 894 states. [2018-11-18 21:31:02,358 INFO L87 Difference]: Start difference. First operand 894 states. Second operand 894 states. [2018-11-18 21:31:02,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 21:31:02,412 INFO L93 Difference]: Finished difference Result 894 states and 1304 transitions. [2018-11-18 21:31:02,412 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1304 transitions. [2018-11-18 21:31:02,415 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 21:31:02,415 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 21:31:02,415 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-18 21:31:02,416 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-18 21:31:02,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 894 states. [2018-11-18 21:31:02,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1304 transitions. [2018-11-18 21:31:02,475 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1304 transitions. Word has length 36 [2018-11-18 21:31:02,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 21:31:02,476 INFO L480 AbstractCegarLoop]: Abstraction has 894 states and 1304 transitions. [2018-11-18 21:31:02,476 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 21:31:02,476 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1304 transitions. [2018-11-18 21:31:02,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-18 21:31:02,478 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 21:31:02,478 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 21:31:02,478 INFO L423 AbstractCegarLoop]: === Iteration 7 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 21:31:02,478 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 21:31:02,479 INFO L82 PathProgramCache]: Analyzing trace with hash 2048377982, now seen corresponding path program 1 times [2018-11-18 21:31:02,479 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 21:31:02,479 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 8 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 8 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 21:31:02,507 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 21:31:02,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 21:31:02,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 21:31:02,663 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 21:31:02,823 INFO L256 TraceCheckUtils]: 0: Hoare triple {25487#true} call ULTIMATE.init(); {25487#true} is VALID [2018-11-18 21:31:02,823 INFO L273 TraceCheckUtils]: 1: Hoare triple {25487#true} ~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;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32;~routine~0 := 0bv32;~myStatus~0 := 0bv32;~pirp~0 := 0bv32;~Executive~0 := 0bv32;~Suspended~0 := 0bv32;~KernelMode~0 := 0bv32;~DeviceUsageTypePaging~0 := 0bv32; {25487#true} is VALID [2018-11-18 21:31:02,824 INFO L273 TraceCheckUtils]: 2: Hoare triple {25487#true} assume true; {25487#true} is VALID [2018-11-18 21:31:02,824 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {25487#true} {25487#true} #1497#return; {25487#true} is VALID [2018-11-18 21:31:02,824 INFO L256 TraceCheckUtils]: 4: Hoare triple {25487#true} call #t~ret176 := main(); {25487#true} is VALID [2018-11-18 21:31:02,825 INFO L273 TraceCheckUtils]: 5: Hoare triple {25487#true} havoc ~pirp__IoStatus__Status~0;~d~0 := #t~nondet150;havoc #t~nondet150;~status~9 := #t~nondet151;havoc #t~nondet151;~irp~1 := #t~nondet152;havoc #t~nondet152;~we_should_unload~0 := #t~nondet153;havoc #t~nondet153;~irp_choice~0 := #t~nondet154;havoc #t~nondet154;~devobj~0 := #t~nondet155;havoc #t~nondet155;havoc ~__cil_tmp9~1;~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;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32;~routine~0 := 0bv32;~myStatus~0 := 0bv32;~pirp~0 := 0bv32;~Executive~0 := 0bv32;~Suspended~0 := 5bv32;~KernelMode~0 := 0bv32;~DeviceUsageTypePaging~0 := 1bv32;~pirp~0 := ~irp~1; {25487#true} is VALID [2018-11-18 21:31:02,825 INFO L256 TraceCheckUtils]: 6: Hoare triple {25487#true} call _BLAST_init(); {25487#true} is VALID [2018-11-18 21:31:02,825 INFO L273 TraceCheckUtils]: 7: Hoare triple {25487#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 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32; {25487#true} is VALID [2018-11-18 21:31:02,825 INFO L273 TraceCheckUtils]: 8: Hoare triple {25487#true} assume true; {25487#true} is VALID [2018-11-18 21:31:02,826 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {25487#true} {25487#true} #1365#return; {25487#true} is VALID [2018-11-18 21:31:02,826 INFO L273 TraceCheckUtils]: 10: Hoare triple {25487#true} assume ~bvsge32(~status~9, 0bv32);~s~0 := ~NP~0;~customIrp~0 := 0bv32;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0;~pirp__IoStatus__Status~0 := 0bv32;~myStatus~0 := 0bv32; {25487#true} is VALID [2018-11-18 21:31:02,826 INFO L273 TraceCheckUtils]: 11: Hoare triple {25487#true} assume 0bv32 == ~irp_choice~0;~pirp__IoStatus__Status~0 := 3221225659bv32;~myStatus~0 := 3221225659bv32; {25487#true} is VALID [2018-11-18 21:31:02,826 INFO L256 TraceCheckUtils]: 12: Hoare triple {25487#true} call stub_driver_init(); {25487#true} is VALID [2018-11-18 21:31:02,826 INFO L273 TraceCheckUtils]: 13: Hoare triple {25487#true} ~s~0 := ~NP~0;~customIrp~0 := 0bv32;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0; {25487#true} is VALID [2018-11-18 21:31:02,827 INFO L273 TraceCheckUtils]: 14: Hoare triple {25487#true} assume true; {25487#true} is VALID [2018-11-18 21:31:02,827 INFO L268 TraceCheckUtils]: 15: Hoare quadruple {25487#true} {25487#true} #1367#return; {25487#true} is VALID [2018-11-18 21:31:02,827 INFO L273 TraceCheckUtils]: 16: Hoare triple {25487#true} assume !~bvslt32(~status~9, 0bv32);havoc ~tmp_ndt_1~0;~tmp_ndt_1~0 := #t~nondet156;havoc #t~nondet156; {25487#true} is VALID [2018-11-18 21:31:02,827 INFO L273 TraceCheckUtils]: 17: Hoare triple {25487#true} assume !(2bv32 == ~tmp_ndt_1~0);havoc ~tmp_ndt_2~0;~tmp_ndt_2~0 := #t~nondet157;havoc #t~nondet157; {25487#true} is VALID [2018-11-18 21:31:02,827 INFO L273 TraceCheckUtils]: 18: Hoare triple {25487#true} assume 3bv32 == ~tmp_ndt_2~0; {25487#true} is VALID [2018-11-18 21:31:02,827 INFO L256 TraceCheckUtils]: 19: Hoare triple {25487#true} call #t~ret160 := CdAudioPnp(~devobj~0, ~pirp~0); {25487#true} is VALID [2018-11-18 21:31:02,828 INFO L273 TraceCheckUtils]: 20: Hoare triple {25487#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;~Irp__Tail__Overlay__CurrentStackLocation~0 := #t~nondet14;havoc #t~nondet14;~irpSp__MinorFunction~0 := #t~nondet15;havoc #t~nondet15;havoc ~Irp__IoStatus__Status~0;~irpSp__Parameters__UsageNotification__Type~0 := #t~nondet16;havoc #t~nondet16;~deviceExtension__PagingPathCountEvent~0 := #t~nondet17;havoc #t~nondet17;~irpSp__Parameters__UsageNotification__InPath~0 := #t~nondet18;havoc #t~nondet18;~deviceExtension__PagingPathCount~0 := #t~nondet19;havoc #t~nondet19;havoc ~DeviceObject__Flags~0;havoc ~irpSp~0;havoc ~status~2;havoc ~setPagable~0;havoc ~tmp~1;havoc ~tmp___0~0;~irpSp~0 := ~Irp__Tail__Overlay__CurrentStackLocation~0;~status~2 := 3221225659bv32; {25487#true} is VALID [2018-11-18 21:31:02,828 INFO L273 TraceCheckUtils]: 21: Hoare triple {25487#true} assume 0bv32 == ~irpSp__MinorFunction~0; {25487#true} is VALID [2018-11-18 21:31:02,828 INFO L256 TraceCheckUtils]: 22: Hoare triple {25487#true} call #t~ret20 := CdAudioStartDevice(~DeviceObject, ~Irp); {25487#true} is VALID [2018-11-18 21:31:02,828 INFO L273 TraceCheckUtils]: 23: Hoare triple {25487#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;~deviceExtension__Active~0 := #t~nondet5;havoc #t~nondet5;~deviceExtension~0 := #t~nondet6;havoc #t~nondet6;havoc ~status~1;~srb~0 := #t~nondet7;havoc #t~nondet7;~srb__Cdb~0 := #t~nondet8;havoc #t~nondet8;havoc ~cdb~0;havoc ~inquiryDataPtr~0;havoc ~attempt~0;havoc ~tmp~0;~deviceParameterHandle~0 := #t~nondet9;havoc #t~nondet9;havoc ~keyValue~0; {25487#true} is VALID [2018-11-18 21:31:02,829 INFO L256 TraceCheckUtils]: 24: Hoare triple {25487#true} call #t~ret10 := CdAudioForwardIrpSynchronous(~DeviceObject, ~Irp); {25487#true} is VALID [2018-11-18 21:31:02,829 INFO L273 TraceCheckUtils]: 25: Hoare triple {25487#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;~deviceExtension__TargetDeviceObject~3 := #t~nondet140;havoc #t~nondet140;~event~2 := #t~nondet141;havoc #t~nondet141;havoc ~status~8;havoc ~irpSp__Control~1; {25487#true} is VALID [2018-11-18 21:31:02,829 INFO L273 TraceCheckUtils]: 26: Hoare triple {25487#true} assume !(~s~0 != ~NP~0); {25487#true} is VALID [2018-11-18 21:31:02,835 INFO L273 TraceCheckUtils]: 27: Hoare triple {25487#true} assume !(0bv32 != ~compRegistered~0);~compRegistered~0 := 1bv32;~routine~0 := 1bv32; {25573#(= (_ bv1 32) ~routine~0)} is VALID [2018-11-18 21:31:02,836 INFO L273 TraceCheckUtils]: 28: Hoare triple {25573#(= (_ bv1 32) ~routine~0)} ~irpSp__Control~1 := 224bv32; {25573#(= (_ bv1 32) ~routine~0)} is VALID [2018-11-18 21:31:02,836 INFO L256 TraceCheckUtils]: 29: Hoare triple {25573#(= (_ bv1 32) ~routine~0)} call #t~ret142 := IofCallDriver(~deviceExtension__TargetDeviceObject~3, ~Irp); {25573#(= (_ bv1 32) ~routine~0)} is VALID [2018-11-18 21:31:02,837 INFO L273 TraceCheckUtils]: 30: Hoare triple {25573#(= (_ bv1 32) ~routine~0)} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;~Irp__PendingReturned~1 := #t~nondet162;havoc #t~nondet162;havoc ~returnVal2~0;havoc ~compRetStatus~0;~lcontext~0 := #t~nondet163;havoc #t~nondet163;havoc ~__cil_tmp8~1; {25573#(= (_ bv1 32) ~routine~0)} is VALID [2018-11-18 21:31:02,837 INFO L273 TraceCheckUtils]: 31: Hoare triple {25573#(= (_ bv1 32) ~routine~0)} assume 0bv32 != ~compRegistered~0; {25573#(= (_ bv1 32) ~routine~0)} is VALID [2018-11-18 21:31:02,837 INFO L273 TraceCheckUtils]: 32: Hoare triple {25573#(= (_ bv1 32) ~routine~0)} assume 0bv32 == ~routine~0; {25488#false} is VALID [2018-11-18 21:31:02,838 INFO L256 TraceCheckUtils]: 33: Hoare triple {25488#false} call #t~ret164 := HPCdrCompletion(~DeviceObject, ~Irp, ~lcontext~0); {25488#false} is VALID [2018-11-18 21:31:02,838 INFO L273 TraceCheckUtils]: 34: Hoare triple {25488#false} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;~Context := #in~Context;~Irp__PendingReturned~0 := #t~nondet134;havoc #t~nondet134;~Irp__AssociatedIrp__SystemBuffer~1 := #t~nondet135;havoc #t~nondet135; {25488#false} is VALID [2018-11-18 21:31:02,838 INFO L273 TraceCheckUtils]: 35: Hoare triple {25488#false} assume 0bv32 != ~Irp__PendingReturned~0; {25488#false} is VALID [2018-11-18 21:31:02,838 INFO L273 TraceCheckUtils]: 36: Hoare triple {25488#false} assume !(0bv32 == ~pended~0); {25488#false} is VALID [2018-11-18 21:31:02,838 INFO L256 TraceCheckUtils]: 37: Hoare triple {25488#false} call errorFn(); {25488#false} is VALID [2018-11-18 21:31:02,839 INFO L273 TraceCheckUtils]: 38: Hoare triple {25488#false} assume !false; {25488#false} is VALID [2018-11-18 21:31:02,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 21:31:02,840 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 21:31:02,843 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 21:31:02,843 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 21:31:02,844 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2018-11-18 21:31:02,844 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-18 21:31:02,844 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2018-11-18 21:31:02,895 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 39 edges. 39 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 21:31:02,895 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 21:31:02,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 21:31:02,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 21:31:02,896 INFO L87 Difference]: Start difference. First operand 894 states and 1304 transitions. Second operand 3 states. [2018-11-18 21:31:06,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 21:31:06,852 INFO L93 Difference]: Finished difference Result 1286 states and 1827 transitions. [2018-11-18 21:31:06,852 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 21:31:06,852 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2018-11-18 21:31:06,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 21:31:06,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-18 21:31:06,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 986 transitions. [2018-11-18 21:31:06,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-18 21:31:06,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 986 transitions. [2018-11-18 21:31:06,871 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 986 transitions. [2018-11-18 21:31:07,943 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 986 edges. 986 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 21:31:08,017 INFO L225 Difference]: With dead ends: 1286 [2018-11-18 21:31:08,017 INFO L226 Difference]: Without dead ends: 1023 [2018-11-18 21:31:08,018 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 21:31:08,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1023 states. [2018-11-18 21:31:09,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1023 to 880. [2018-11-18 21:31:09,700 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-18 21:31:09,700 INFO L82 GeneralOperation]: Start isEquivalent. First operand 1023 states. Second operand 880 states. [2018-11-18 21:31:09,700 INFO L74 IsIncluded]: Start isIncluded. First operand 1023 states. Second operand 880 states. [2018-11-18 21:31:09,701 INFO L87 Difference]: Start difference. First operand 1023 states. Second operand 880 states. [2018-11-18 21:31:09,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 21:31:09,756 INFO L93 Difference]: Finished difference Result 1023 states and 1460 transitions. [2018-11-18 21:31:09,756 INFO L276 IsEmpty]: Start isEmpty. Operand 1023 states and 1460 transitions. [2018-11-18 21:31:09,759 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 21:31:09,759 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 21:31:09,759 INFO L74 IsIncluded]: Start isIncluded. First operand 880 states. Second operand 1023 states. [2018-11-18 21:31:09,759 INFO L87 Difference]: Start difference. First operand 880 states. Second operand 1023 states. [2018-11-18 21:31:09,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 21:31:09,831 INFO L93 Difference]: Finished difference Result 1023 states and 1460 transitions. [2018-11-18 21:31:09,831 INFO L276 IsEmpty]: Start isEmpty. Operand 1023 states and 1460 transitions. [2018-11-18 21:31:09,834 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 21:31:09,834 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 21:31:09,835 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-18 21:31:09,835 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-18 21:31:09,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 880 states. [2018-11-18 21:31:09,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 880 states and 1245 transitions. [2018-11-18 21:31:09,885 INFO L78 Accepts]: Start accepts. Automaton has 880 states and 1245 transitions. Word has length 39 [2018-11-18 21:31:09,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 21:31:09,886 INFO L480 AbstractCegarLoop]: Abstraction has 880 states and 1245 transitions. [2018-11-18 21:31:09,886 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 21:31:09,886 INFO L276 IsEmpty]: Start isEmpty. Operand 880 states and 1245 transitions. [2018-11-18 21:31:09,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-18 21:31:09,888 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 21:31:09,888 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 21:31:09,888 INFO L423 AbstractCegarLoop]: === Iteration 8 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 21:31:09,888 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 21:31:09,888 INFO L82 PathProgramCache]: Analyzing trace with hash -1893485112, now seen corresponding path program 1 times [2018-11-18 21:31:09,889 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 21:31:09,889 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 9 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 9 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 21:31:09,907 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 21:31:09,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 21:31:10,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 21:31:10,039 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 21:31:10,185 INFO L256 TraceCheckUtils]: 0: Hoare triple {30453#true} call ULTIMATE.init(); {30453#true} is VALID [2018-11-18 21:31:10,185 INFO L273 TraceCheckUtils]: 1: Hoare triple {30453#true} ~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;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32;~routine~0 := 0bv32;~myStatus~0 := 0bv32;~pirp~0 := 0bv32;~Executive~0 := 0bv32;~Suspended~0 := 0bv32;~KernelMode~0 := 0bv32;~DeviceUsageTypePaging~0 := 0bv32; {30453#true} is VALID [2018-11-18 21:31:10,186 INFO L273 TraceCheckUtils]: 2: Hoare triple {30453#true} assume true; {30453#true} is VALID [2018-11-18 21:31:10,186 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {30453#true} {30453#true} #1497#return; {30453#true} is VALID [2018-11-18 21:31:10,186 INFO L256 TraceCheckUtils]: 4: Hoare triple {30453#true} call #t~ret176 := main(); {30453#true} is VALID [2018-11-18 21:31:10,186 INFO L273 TraceCheckUtils]: 5: Hoare triple {30453#true} havoc ~pirp__IoStatus__Status~0;~d~0 := #t~nondet150;havoc #t~nondet150;~status~9 := #t~nondet151;havoc #t~nondet151;~irp~1 := #t~nondet152;havoc #t~nondet152;~we_should_unload~0 := #t~nondet153;havoc #t~nondet153;~irp_choice~0 := #t~nondet154;havoc #t~nondet154;~devobj~0 := #t~nondet155;havoc #t~nondet155;havoc ~__cil_tmp9~1;~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;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32;~routine~0 := 0bv32;~myStatus~0 := 0bv32;~pirp~0 := 0bv32;~Executive~0 := 0bv32;~Suspended~0 := 5bv32;~KernelMode~0 := 0bv32;~DeviceUsageTypePaging~0 := 1bv32;~pirp~0 := ~irp~1; {30453#true} is VALID [2018-11-18 21:31:10,186 INFO L256 TraceCheckUtils]: 6: Hoare triple {30453#true} call _BLAST_init(); {30453#true} is VALID [2018-11-18 21:31:10,187 INFO L273 TraceCheckUtils]: 7: Hoare triple {30453#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 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32; {30453#true} is VALID [2018-11-18 21:31:10,187 INFO L273 TraceCheckUtils]: 8: Hoare triple {30453#true} assume true; {30453#true} is VALID [2018-11-18 21:31:10,187 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {30453#true} {30453#true} #1365#return; {30453#true} is VALID [2018-11-18 21:31:10,187 INFO L273 TraceCheckUtils]: 10: Hoare triple {30453#true} assume ~bvsge32(~status~9, 0bv32);~s~0 := ~NP~0;~customIrp~0 := 0bv32;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0;~pirp__IoStatus__Status~0 := 0bv32;~myStatus~0 := 0bv32; {30453#true} is VALID [2018-11-18 21:31:10,187 INFO L273 TraceCheckUtils]: 11: Hoare triple {30453#true} assume 0bv32 == ~irp_choice~0;~pirp__IoStatus__Status~0 := 3221225659bv32;~myStatus~0 := 3221225659bv32; {30453#true} is VALID [2018-11-18 21:31:10,188 INFO L256 TraceCheckUtils]: 12: Hoare triple {30453#true} call stub_driver_init(); {30453#true} is VALID [2018-11-18 21:31:10,197 INFO L273 TraceCheckUtils]: 13: Hoare triple {30453#true} ~s~0 := ~NP~0;~customIrp~0 := 0bv32;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0; {30497#(= (_ bv0 32) ~pended~0)} is VALID [2018-11-18 21:31:10,209 INFO L273 TraceCheckUtils]: 14: Hoare triple {30497#(= (_ bv0 32) ~pended~0)} assume true; {30497#(= (_ bv0 32) ~pended~0)} is VALID [2018-11-18 21:31:10,222 INFO L268 TraceCheckUtils]: 15: Hoare quadruple {30497#(= (_ bv0 32) ~pended~0)} {30453#true} #1367#return; {30497#(= (_ bv0 32) ~pended~0)} is VALID [2018-11-18 21:31:10,226 INFO L273 TraceCheckUtils]: 16: Hoare triple {30497#(= (_ bv0 32) ~pended~0)} assume !~bvslt32(~status~9, 0bv32);havoc ~tmp_ndt_1~0;~tmp_ndt_1~0 := #t~nondet156;havoc #t~nondet156; {30497#(= (_ bv0 32) ~pended~0)} is VALID [2018-11-18 21:31:10,226 INFO L273 TraceCheckUtils]: 17: Hoare triple {30497#(= (_ bv0 32) ~pended~0)} assume 2bv32 == ~tmp_ndt_1~0; {30497#(= (_ bv0 32) ~pended~0)} is VALID [2018-11-18 21:31:10,227 INFO L256 TraceCheckUtils]: 18: Hoare triple {30497#(= (_ bv0 32) ~pended~0)} call #t~ret159 := CdAudioDeviceControl(~devobj~0, ~pirp~0); {30497#(= (_ bv0 32) ~pended~0)} is VALID [2018-11-18 21:31:10,228 INFO L273 TraceCheckUtils]: 19: Hoare triple {30497#(= (_ bv0 32) ~pended~0)} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;~deviceExtension__Active~1 := #t~nondet26;havoc #t~nondet26;havoc ~status~3; {30497#(= (_ bv0 32) ~pended~0)} is VALID [2018-11-18 21:31:10,228 INFO L273 TraceCheckUtils]: 20: Hoare triple {30497#(= (_ bv0 32) ~pended~0)} assume !(2bv32 == ~deviceExtension__Active~1); {30497#(= (_ bv0 32) ~pended~0)} is VALID [2018-11-18 21:31:10,230 INFO L273 TraceCheckUtils]: 21: Hoare triple {30497#(= (_ bv0 32) ~pended~0)} assume !(3bv32 == ~deviceExtension__Active~1); {30497#(= (_ bv0 32) ~pended~0)} is VALID [2018-11-18 21:31:10,230 INFO L273 TraceCheckUtils]: 22: Hoare triple {30497#(= (_ bv0 32) ~pended~0)} assume !(1bv32 == ~deviceExtension__Active~1); {30497#(= (_ bv0 32) ~pended~0)} is VALID [2018-11-18 21:31:10,232 INFO L273 TraceCheckUtils]: 23: Hoare triple {30497#(= (_ bv0 32) ~pended~0)} assume 7bv32 == ~deviceExtension__Active~1; {30497#(= (_ bv0 32) ~pended~0)} is VALID [2018-11-18 21:31:10,234 INFO L256 TraceCheckUtils]: 24: Hoare triple {30497#(= (_ bv0 32) ~pended~0)} call #t~ret30 := CdAudioHPCdrDeviceControl(~DeviceObject, ~Irp); {30497#(= (_ bv0 32) ~pended~0)} is VALID [2018-11-18 21:31:10,234 INFO L273 TraceCheckUtils]: 25: Hoare triple {30497#(= (_ bv0 32) ~pended~0)} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;~currentIrpStack__Parameters__DeviceIoControl__IoControlCode~3 := #t~nondet136;havoc #t~nondet136;~deviceExtension__TargetDeviceObject~2 := #t~nondet137;havoc #t~nondet137;havoc ~irpSp__Control~0;havoc ~tmp~6;havoc ~tmp___0~3;havoc ~__cil_tmp8~0;havoc ~__cil_tmp9~0;havoc ~__cil_tmp10~2;havoc ~__cil_tmp11~2;havoc ~__cil_tmp12~1;~__cil_tmp8~0 := 56bv32;~__cil_tmp9~0 := 16384bv32;~__cil_tmp10~2 := 131072bv32;~__cil_tmp11~2 := 147456bv32;~__cil_tmp12~1 := 147512bv32; {30497#(= (_ bv0 32) ~pended~0)} is VALID [2018-11-18 21:31:10,236 INFO L273 TraceCheckUtils]: 26: Hoare triple {30497#(= (_ bv0 32) ~pended~0)} assume ~currentIrpStack__Parameters__DeviceIoControl__IoControlCode~3 == ~__cil_tmp12~1; {30497#(= (_ bv0 32) ~pended~0)} is VALID [2018-11-18 21:31:10,236 INFO L273 TraceCheckUtils]: 27: Hoare triple {30497#(= (_ bv0 32) ~pended~0)} assume !(~s~0 != ~NP~0); {30497#(= (_ bv0 32) ~pended~0)} is VALID [2018-11-18 21:31:10,238 INFO L273 TraceCheckUtils]: 28: Hoare triple {30497#(= (_ bv0 32) ~pended~0)} assume !(0bv32 != ~compRegistered~0);~compRegistered~0 := 1bv32;~routine~0 := 0bv32; {30497#(= (_ bv0 32) ~pended~0)} is VALID [2018-11-18 21:31:10,238 INFO L273 TraceCheckUtils]: 29: Hoare triple {30497#(= (_ bv0 32) ~pended~0)} ~irpSp__Control~0 := 224bv32; {30497#(= (_ bv0 32) ~pended~0)} is VALID [2018-11-18 21:31:10,239 INFO L256 TraceCheckUtils]: 30: Hoare triple {30497#(= (_ bv0 32) ~pended~0)} call #t~ret138 := IofCallDriver(~deviceExtension__TargetDeviceObject~2, ~Irp); {30497#(= (_ bv0 32) ~pended~0)} is VALID [2018-11-18 21:31:10,239 INFO L273 TraceCheckUtils]: 31: Hoare triple {30497#(= (_ bv0 32) ~pended~0)} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;~Irp__PendingReturned~1 := #t~nondet162;havoc #t~nondet162;havoc ~returnVal2~0;havoc ~compRetStatus~0;~lcontext~0 := #t~nondet163;havoc #t~nondet163;havoc ~__cil_tmp8~1; {30497#(= (_ bv0 32) ~pended~0)} is VALID [2018-11-18 21:31:10,239 INFO L273 TraceCheckUtils]: 32: Hoare triple {30497#(= (_ bv0 32) ~pended~0)} assume 0bv32 != ~compRegistered~0; {30497#(= (_ bv0 32) ~pended~0)} is VALID [2018-11-18 21:31:10,240 INFO L273 TraceCheckUtils]: 33: Hoare triple {30497#(= (_ bv0 32) ~pended~0)} assume 0bv32 == ~routine~0; {30497#(= (_ bv0 32) ~pended~0)} is VALID [2018-11-18 21:31:10,240 INFO L256 TraceCheckUtils]: 34: Hoare triple {30497#(= (_ bv0 32) ~pended~0)} call #t~ret164 := HPCdrCompletion(~DeviceObject, ~Irp, ~lcontext~0); {30497#(= (_ bv0 32) ~pended~0)} is VALID [2018-11-18 21:31:10,241 INFO L273 TraceCheckUtils]: 35: Hoare triple {30497#(= (_ bv0 32) ~pended~0)} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;~Context := #in~Context;~Irp__PendingReturned~0 := #t~nondet134;havoc #t~nondet134;~Irp__AssociatedIrp__SystemBuffer~1 := #t~nondet135;havoc #t~nondet135; {30497#(= (_ bv0 32) ~pended~0)} is VALID [2018-11-18 21:31:10,244 INFO L273 TraceCheckUtils]: 36: Hoare triple {30497#(= (_ bv0 32) ~pended~0)} assume 0bv32 != ~Irp__PendingReturned~0; {30497#(= (_ bv0 32) ~pended~0)} is VALID [2018-11-18 21:31:10,244 INFO L273 TraceCheckUtils]: 37: Hoare triple {30497#(= (_ bv0 32) ~pended~0)} assume !(0bv32 == ~pended~0); {30454#false} is VALID [2018-11-18 21:31:10,244 INFO L256 TraceCheckUtils]: 38: Hoare triple {30454#false} call errorFn(); {30454#false} is VALID [2018-11-18 21:31:10,245 INFO L273 TraceCheckUtils]: 39: Hoare triple {30454#false} assume !false; {30454#false} is VALID [2018-11-18 21:31:10,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 21:31:10,247 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 21:31:10,249 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 21:31:10,249 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 21:31:10,250 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2018-11-18 21:31:10,250 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-18 21:31:10,250 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2018-11-18 21:31:10,326 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 40 edges. 40 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 21:31:10,326 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 21:31:10,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 21:31:10,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 21:31:10,327 INFO L87 Difference]: Start difference. First operand 880 states and 1245 transitions. Second operand 3 states. [2018-11-18 21:31:13,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 21:31:13,295 INFO L93 Difference]: Finished difference Result 980 states and 1369 transitions. [2018-11-18 21:31:13,295 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 21:31:13,295 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2018-11-18 21:31:13,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 21:31:13,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-18 21:31:13,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 802 transitions. [2018-11-18 21:31:13,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-18 21:31:13,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 802 transitions. [2018-11-18 21:31:13,309 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 802 transitions. [2018-11-18 21:31:14,335 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 802 edges. 802 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 21:31:14,387 INFO L225 Difference]: With dead ends: 980 [2018-11-18 21:31:14,387 INFO L226 Difference]: Without dead ends: 962 [2018-11-18 21:31:14,388 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 21:31:14,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 962 states. [2018-11-18 21:31:17,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 962 to 900. [2018-11-18 21:31:17,402 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-18 21:31:17,402 INFO L82 GeneralOperation]: Start isEquivalent. First operand 962 states. Second operand 900 states. [2018-11-18 21:31:17,402 INFO L74 IsIncluded]: Start isIncluded. First operand 962 states. Second operand 900 states. [2018-11-18 21:31:17,402 INFO L87 Difference]: Start difference. First operand 962 states. Second operand 900 states. [2018-11-18 21:31:17,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 21:31:17,453 INFO L93 Difference]: Finished difference Result 962 states and 1344 transitions. [2018-11-18 21:31:17,453 INFO L276 IsEmpty]: Start isEmpty. Operand 962 states and 1344 transitions. [2018-11-18 21:31:17,455 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 21:31:17,456 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 21:31:17,456 INFO L74 IsIncluded]: Start isIncluded. First operand 900 states. Second operand 962 states. [2018-11-18 21:31:17,456 INFO L87 Difference]: Start difference. First operand 900 states. Second operand 962 states. [2018-11-18 21:31:17,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 21:31:17,508 INFO L93 Difference]: Finished difference Result 962 states and 1344 transitions. [2018-11-18 21:31:17,508 INFO L276 IsEmpty]: Start isEmpty. Operand 962 states and 1344 transitions. [2018-11-18 21:31:17,510 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 21:31:17,511 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 21:31:17,511 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-18 21:31:17,511 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-18 21:31:17,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 900 states. [2018-11-18 21:31:17,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 900 states and 1271 transitions. [2018-11-18 21:31:17,550 INFO L78 Accepts]: Start accepts. Automaton has 900 states and 1271 transitions. Word has length 40 [2018-11-18 21:31:17,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 21:31:17,550 INFO L480 AbstractCegarLoop]: Abstraction has 900 states and 1271 transitions. [2018-11-18 21:31:17,550 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 21:31:17,550 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1271 transitions. [2018-11-18 21:31:17,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-18 21:31:17,552 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 21:31:17,553 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 21:31:17,553 INFO L423 AbstractCegarLoop]: === Iteration 9 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 21:31:17,553 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 21:31:17,553 INFO L82 PathProgramCache]: Analyzing trace with hash 2092414536, now seen corresponding path program 1 times [2018-11-18 21:31:17,554 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 21:31:17,554 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 10 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 10 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 21:31:17,616 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 21:31:17,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 21:31:17,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 21:31:17,762 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 21:31:17,821 INFO L256 TraceCheckUtils]: 0: Hoare triple {34946#true} call ULTIMATE.init(); {34946#true} is VALID [2018-11-18 21:31:17,821 INFO L273 TraceCheckUtils]: 1: Hoare triple {34946#true} ~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;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32;~routine~0 := 0bv32;~myStatus~0 := 0bv32;~pirp~0 := 0bv32;~Executive~0 := 0bv32;~Suspended~0 := 0bv32;~KernelMode~0 := 0bv32;~DeviceUsageTypePaging~0 := 0bv32; {34946#true} is VALID [2018-11-18 21:31:17,821 INFO L273 TraceCheckUtils]: 2: Hoare triple {34946#true} assume true; {34946#true} is VALID [2018-11-18 21:31:17,822 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {34946#true} {34946#true} #1497#return; {34946#true} is VALID [2018-11-18 21:31:17,822 INFO L256 TraceCheckUtils]: 4: Hoare triple {34946#true} call #t~ret176 := main(); {34946#true} is VALID [2018-11-18 21:31:17,822 INFO L273 TraceCheckUtils]: 5: Hoare triple {34946#true} havoc ~pirp__IoStatus__Status~0;~d~0 := #t~nondet150;havoc #t~nondet150;~status~9 := #t~nondet151;havoc #t~nondet151;~irp~1 := #t~nondet152;havoc #t~nondet152;~we_should_unload~0 := #t~nondet153;havoc #t~nondet153;~irp_choice~0 := #t~nondet154;havoc #t~nondet154;~devobj~0 := #t~nondet155;havoc #t~nondet155;havoc ~__cil_tmp9~1;~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;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32;~routine~0 := 0bv32;~myStatus~0 := 0bv32;~pirp~0 := 0bv32;~Executive~0 := 0bv32;~Suspended~0 := 5bv32;~KernelMode~0 := 0bv32;~DeviceUsageTypePaging~0 := 1bv32;~pirp~0 := ~irp~1; {34946#true} is VALID [2018-11-18 21:31:17,823 INFO L256 TraceCheckUtils]: 6: Hoare triple {34946#true} call _BLAST_init(); {34946#true} is VALID [2018-11-18 21:31:17,823 INFO L273 TraceCheckUtils]: 7: Hoare triple {34946#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 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32; {34946#true} is VALID [2018-11-18 21:31:17,823 INFO L273 TraceCheckUtils]: 8: Hoare triple {34946#true} assume true; {34946#true} is VALID [2018-11-18 21:31:17,823 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {34946#true} {34946#true} #1365#return; {34946#true} is VALID [2018-11-18 21:31:17,823 INFO L273 TraceCheckUtils]: 10: Hoare triple {34946#true} assume ~bvsge32(~status~9, 0bv32);~s~0 := ~NP~0;~customIrp~0 := 0bv32;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0;~pirp__IoStatus__Status~0 := 0bv32;~myStatus~0 := 0bv32; {34946#true} is VALID [2018-11-18 21:31:17,824 INFO L273 TraceCheckUtils]: 11: Hoare triple {34946#true} assume 0bv32 == ~irp_choice~0;~pirp__IoStatus__Status~0 := 3221225659bv32;~myStatus~0 := 3221225659bv32; {34946#true} is VALID [2018-11-18 21:31:17,824 INFO L256 TraceCheckUtils]: 12: Hoare triple {34946#true} call stub_driver_init(); {34946#true} is VALID [2018-11-18 21:31:17,824 INFO L273 TraceCheckUtils]: 13: Hoare triple {34946#true} ~s~0 := ~NP~0;~customIrp~0 := 0bv32;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0; {34946#true} is VALID [2018-11-18 21:31:17,824 INFO L273 TraceCheckUtils]: 14: Hoare triple {34946#true} assume true; {34946#true} is VALID [2018-11-18 21:31:17,824 INFO L268 TraceCheckUtils]: 15: Hoare quadruple {34946#true} {34946#true} #1367#return; {34946#true} is VALID [2018-11-18 21:31:17,825 INFO L273 TraceCheckUtils]: 16: Hoare triple {34946#true} assume !~bvslt32(~status~9, 0bv32);havoc ~tmp_ndt_1~0;~tmp_ndt_1~0 := #t~nondet156;havoc #t~nondet156; {34946#true} is VALID [2018-11-18 21:31:17,825 INFO L273 TraceCheckUtils]: 17: Hoare triple {34946#true} assume !(2bv32 == ~tmp_ndt_1~0);havoc ~tmp_ndt_2~0;~tmp_ndt_2~0 := #t~nondet157;havoc #t~nondet157; {34946#true} is VALID [2018-11-18 21:31:17,825 INFO L273 TraceCheckUtils]: 18: Hoare triple {34946#true} assume 3bv32 == ~tmp_ndt_2~0; {34946#true} is VALID [2018-11-18 21:31:17,825 INFO L256 TraceCheckUtils]: 19: Hoare triple {34946#true} call #t~ret160 := CdAudioPnp(~devobj~0, ~pirp~0); {34946#true} is VALID [2018-11-18 21:31:17,825 INFO L273 TraceCheckUtils]: 20: Hoare triple {34946#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;~Irp__Tail__Overlay__CurrentStackLocation~0 := #t~nondet14;havoc #t~nondet14;~irpSp__MinorFunction~0 := #t~nondet15;havoc #t~nondet15;havoc ~Irp__IoStatus__Status~0;~irpSp__Parameters__UsageNotification__Type~0 := #t~nondet16;havoc #t~nondet16;~deviceExtension__PagingPathCountEvent~0 := #t~nondet17;havoc #t~nondet17;~irpSp__Parameters__UsageNotification__InPath~0 := #t~nondet18;havoc #t~nondet18;~deviceExtension__PagingPathCount~0 := #t~nondet19;havoc #t~nondet19;havoc ~DeviceObject__Flags~0;havoc ~irpSp~0;havoc ~status~2;havoc ~setPagable~0;havoc ~tmp~1;havoc ~tmp___0~0;~irpSp~0 := ~Irp__Tail__Overlay__CurrentStackLocation~0;~status~2 := 3221225659bv32; {34946#true} is VALID [2018-11-18 21:31:17,825 INFO L273 TraceCheckUtils]: 21: Hoare triple {34946#true} assume 0bv32 == ~irpSp__MinorFunction~0; {34946#true} is VALID [2018-11-18 21:31:17,825 INFO L256 TraceCheckUtils]: 22: Hoare triple {34946#true} call #t~ret20 := CdAudioStartDevice(~DeviceObject, ~Irp); {34946#true} is VALID [2018-11-18 21:31:17,826 INFO L273 TraceCheckUtils]: 23: Hoare triple {34946#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;~deviceExtension__Active~0 := #t~nondet5;havoc #t~nondet5;~deviceExtension~0 := #t~nondet6;havoc #t~nondet6;havoc ~status~1;~srb~0 := #t~nondet7;havoc #t~nondet7;~srb__Cdb~0 := #t~nondet8;havoc #t~nondet8;havoc ~cdb~0;havoc ~inquiryDataPtr~0;havoc ~attempt~0;havoc ~tmp~0;~deviceParameterHandle~0 := #t~nondet9;havoc #t~nondet9;havoc ~keyValue~0; {34946#true} is VALID [2018-11-18 21:31:17,826 INFO L256 TraceCheckUtils]: 24: Hoare triple {34946#true} call #t~ret10 := CdAudioForwardIrpSynchronous(~DeviceObject, ~Irp); {34946#true} is VALID [2018-11-18 21:31:17,826 INFO L273 TraceCheckUtils]: 25: Hoare triple {34946#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;~deviceExtension__TargetDeviceObject~3 := #t~nondet140;havoc #t~nondet140;~event~2 := #t~nondet141;havoc #t~nondet141;havoc ~status~8;havoc ~irpSp__Control~1; {34946#true} is VALID [2018-11-18 21:31:17,826 INFO L273 TraceCheckUtils]: 26: Hoare triple {34946#true} assume !(~s~0 != ~NP~0); {34946#true} is VALID [2018-11-18 21:31:17,826 INFO L273 TraceCheckUtils]: 27: Hoare triple {34946#true} assume !(0bv32 != ~compRegistered~0);~compRegistered~0 := 1bv32;~routine~0 := 1bv32; {35032#(= (_ bv1 32) ~compRegistered~0)} is VALID [2018-11-18 21:31:17,827 INFO L273 TraceCheckUtils]: 28: Hoare triple {35032#(= (_ bv1 32) ~compRegistered~0)} ~irpSp__Control~1 := 224bv32; {35032#(= (_ bv1 32) ~compRegistered~0)} is VALID [2018-11-18 21:31:17,827 INFO L256 TraceCheckUtils]: 29: Hoare triple {35032#(= (_ bv1 32) ~compRegistered~0)} call #t~ret142 := IofCallDriver(~deviceExtension__TargetDeviceObject~3, ~Irp); {35032#(= (_ bv1 32) ~compRegistered~0)} is VALID [2018-11-18 21:31:17,829 INFO L273 TraceCheckUtils]: 30: Hoare triple {35032#(= (_ bv1 32) ~compRegistered~0)} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;~Irp__PendingReturned~1 := #t~nondet162;havoc #t~nondet162;havoc ~returnVal2~0;havoc ~compRetStatus~0;~lcontext~0 := #t~nondet163;havoc #t~nondet163;havoc ~__cil_tmp8~1; {35032#(= (_ bv1 32) ~compRegistered~0)} is VALID [2018-11-18 21:31:17,829 INFO L273 TraceCheckUtils]: 31: Hoare triple {35032#(= (_ bv1 32) ~compRegistered~0)} assume !(0bv32 != ~compRegistered~0); {34947#false} is VALID [2018-11-18 21:31:17,829 INFO L273 TraceCheckUtils]: 32: Hoare triple {34947#false} assume 0bv32 != ~Irp__PendingReturned~1;~returnVal2~0 := 259bv32; {34947#false} is VALID [2018-11-18 21:31:17,829 INFO L273 TraceCheckUtils]: 33: Hoare triple {34947#false} assume ~s~0 == ~NP~0;~s~0 := ~IPC~0;~lowerDriverReturn~0 := ~returnVal2~0; {34947#false} is VALID [2018-11-18 21:31:17,830 INFO L273 TraceCheckUtils]: 34: Hoare triple {34947#false} #res := ~returnVal2~0; {34947#false} is VALID [2018-11-18 21:31:17,830 INFO L273 TraceCheckUtils]: 35: Hoare triple {34947#false} assume true; {34947#false} is VALID [2018-11-18 21:31:17,830 INFO L268 TraceCheckUtils]: 36: Hoare quadruple {34947#false} {35032#(= (_ bv1 32) ~compRegistered~0)} #1555#return; {34947#false} is VALID [2018-11-18 21:31:17,830 INFO L273 TraceCheckUtils]: 37: Hoare triple {34947#false} ~status~8 := #t~ret142;havoc #t~ret142;~status~8 := 259bv32; {34947#false} is VALID [2018-11-18 21:31:17,830 INFO L273 TraceCheckUtils]: 38: Hoare triple {34947#false} assume 0bv32 != ~status~8; {34947#false} is VALID [2018-11-18 21:31:17,831 INFO L256 TraceCheckUtils]: 39: Hoare triple {34947#false} call #t~ret143 := KeWaitForSingleObject(~event~2, ~Executive~0, ~KernelMode~0, 0bv32, 0bv32); {34947#false} is VALID [2018-11-18 21:31:17,831 INFO L273 TraceCheckUtils]: 40: Hoare triple {34947#false} ~Object := #in~Object;~WaitReason := #in~WaitReason;~WaitMode := #in~WaitMode;~Alertable := #in~Alertable;~Timeout := #in~Timeout; {34947#false} is VALID [2018-11-18 21:31:17,831 INFO L273 TraceCheckUtils]: 41: Hoare triple {34947#false} assume ~s~0 == ~MPR3~0; {34947#false} is VALID [2018-11-18 21:31:17,831 INFO L273 TraceCheckUtils]: 42: Hoare triple {34947#false} assume !(1bv32 == ~setEventCalled~0); {34947#false} is VALID [2018-11-18 21:31:17,831 INFO L273 TraceCheckUtils]: 43: Hoare triple {34947#false} assume !(1bv32 == ~customIrp~0); {34947#false} is VALID [2018-11-18 21:31:17,832 INFO L273 TraceCheckUtils]: 44: Hoare triple {34947#false} assume ~s~0 == ~MPR3~0; {34947#false} is VALID [2018-11-18 21:31:17,832 INFO L256 TraceCheckUtils]: 45: Hoare triple {34947#false} call errorFn(); {34947#false} is VALID [2018-11-18 21:31:17,832 INFO L273 TraceCheckUtils]: 46: Hoare triple {34947#false} assume !false; {34947#false} is VALID [2018-11-18 21:31:17,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 21:31:17,833 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 21:31:17,835 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 21:31:17,835 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 21:31:17,835 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-18 21:31:17,836 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-18 21:31:17,836 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2018-11-18 21:31:17,884 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 47 edges. 47 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 21:31:17,885 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 21:31:17,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 21:31:17,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 21:31:17,885 INFO L87 Difference]: Start difference. First operand 900 states and 1271 transitions. Second operand 3 states. [2018-11-18 21:31:20,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 21:31:20,590 INFO L93 Difference]: Finished difference Result 1022 states and 1417 transitions. [2018-11-18 21:31:20,590 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 21:31:20,590 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-18 21:31:20,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 21:31:20,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-18 21:31:20,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 935 transitions. [2018-11-18 21:31:20,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-18 21:31:20,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 935 transitions. [2018-11-18 21:31:20,604 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 935 transitions. [2018-11-18 21:31:21,566 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 935 edges. 935 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 21:31:21,602 INFO L225 Difference]: With dead ends: 1022 [2018-11-18 21:31:21,602 INFO L226 Difference]: Without dead ends: 789 [2018-11-18 21:31:21,603 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 21:31:21,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 789 states. [2018-11-18 21:31:23,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 789 to 755. [2018-11-18 21:31:23,167 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-18 21:31:23,167 INFO L82 GeneralOperation]: Start isEquivalent. First operand 789 states. Second operand 755 states. [2018-11-18 21:31:23,167 INFO L74 IsIncluded]: Start isIncluded. First operand 789 states. Second operand 755 states. [2018-11-18 21:31:23,167 INFO L87 Difference]: Start difference. First operand 789 states. Second operand 755 states. [2018-11-18 21:31:23,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 21:31:23,196 INFO L93 Difference]: Finished difference Result 789 states and 1098 transitions. [2018-11-18 21:31:23,196 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1098 transitions. [2018-11-18 21:31:23,198 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 21:31:23,198 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 21:31:23,198 INFO L74 IsIncluded]: Start isIncluded. First operand 755 states. Second operand 789 states. [2018-11-18 21:31:23,198 INFO L87 Difference]: Start difference. First operand 755 states. Second operand 789 states. [2018-11-18 21:31:23,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 21:31:23,225 INFO L93 Difference]: Finished difference Result 789 states and 1098 transitions. [2018-11-18 21:31:23,226 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1098 transitions. [2018-11-18 21:31:23,227 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 21:31:23,227 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 21:31:23,227 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-18 21:31:23,227 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-18 21:31:23,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 755 states. [2018-11-18 21:31:23,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 755 states and 1060 transitions. [2018-11-18 21:31:23,254 INFO L78 Accepts]: Start accepts. Automaton has 755 states and 1060 transitions. Word has length 47 [2018-11-18 21:31:23,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 21:31:23,255 INFO L480 AbstractCegarLoop]: Abstraction has 755 states and 1060 transitions. [2018-11-18 21:31:23,255 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 21:31:23,255 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 1060 transitions. [2018-11-18 21:31:23,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-18 21:31:23,256 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 21:31:23,256 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 21:31:23,256 INFO L423 AbstractCegarLoop]: === Iteration 10 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 21:31:23,257 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 21:31:23,257 INFO L82 PathProgramCache]: Analyzing trace with hash -95752597, now seen corresponding path program 1 times [2018-11-18 21:31:23,257 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 21:31:23,257 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 11 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 11 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 21:31:23,273 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 21:31:23,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 21:31:23,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 21:31:23,389 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 21:31:23,443 INFO L256 TraceCheckUtils]: 0: Hoare triple {38996#true} call ULTIMATE.init(); {38996#true} is VALID [2018-11-18 21:31:23,443 INFO L273 TraceCheckUtils]: 1: Hoare triple {38996#true} ~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;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32;~routine~0 := 0bv32;~myStatus~0 := 0bv32;~pirp~0 := 0bv32;~Executive~0 := 0bv32;~Suspended~0 := 0bv32;~KernelMode~0 := 0bv32;~DeviceUsageTypePaging~0 := 0bv32; {38996#true} is VALID [2018-11-18 21:31:23,444 INFO L273 TraceCheckUtils]: 2: Hoare triple {38996#true} assume true; {38996#true} is VALID [2018-11-18 21:31:23,444 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {38996#true} {38996#true} #1497#return; {38996#true} is VALID [2018-11-18 21:31:23,444 INFO L256 TraceCheckUtils]: 4: Hoare triple {38996#true} call #t~ret176 := main(); {38996#true} is VALID [2018-11-18 21:31:23,445 INFO L273 TraceCheckUtils]: 5: Hoare triple {38996#true} havoc ~pirp__IoStatus__Status~0;~d~0 := #t~nondet150;havoc #t~nondet150;~status~9 := #t~nondet151;havoc #t~nondet151;~irp~1 := #t~nondet152;havoc #t~nondet152;~we_should_unload~0 := #t~nondet153;havoc #t~nondet153;~irp_choice~0 := #t~nondet154;havoc #t~nondet154;~devobj~0 := #t~nondet155;havoc #t~nondet155;havoc ~__cil_tmp9~1;~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;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32;~routine~0 := 0bv32;~myStatus~0 := 0bv32;~pirp~0 := 0bv32;~Executive~0 := 0bv32;~Suspended~0 := 5bv32;~KernelMode~0 := 0bv32;~DeviceUsageTypePaging~0 := 1bv32;~pirp~0 := ~irp~1; {38996#true} is VALID [2018-11-18 21:31:23,445 INFO L256 TraceCheckUtils]: 6: Hoare triple {38996#true} call _BLAST_init(); {38996#true} is VALID [2018-11-18 21:31:23,445 INFO L273 TraceCheckUtils]: 7: Hoare triple {38996#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 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32; {38996#true} is VALID [2018-11-18 21:31:23,445 INFO L273 TraceCheckUtils]: 8: Hoare triple {38996#true} assume true; {38996#true} is VALID [2018-11-18 21:31:23,446 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {38996#true} {38996#true} #1365#return; {38996#true} is VALID [2018-11-18 21:31:23,446 INFO L273 TraceCheckUtils]: 10: Hoare triple {38996#true} assume ~bvsge32(~status~9, 0bv32);~s~0 := ~NP~0;~customIrp~0 := 0bv32;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0;~pirp__IoStatus__Status~0 := 0bv32;~myStatus~0 := 0bv32; {38996#true} is VALID [2018-11-18 21:31:23,446 INFO L273 TraceCheckUtils]: 11: Hoare triple {38996#true} assume 0bv32 == ~irp_choice~0;~pirp__IoStatus__Status~0 := 3221225659bv32;~myStatus~0 := 3221225659bv32; {38996#true} is VALID [2018-11-18 21:31:23,446 INFO L256 TraceCheckUtils]: 12: Hoare triple {38996#true} call stub_driver_init(); {38996#true} is VALID [2018-11-18 21:31:23,446 INFO L273 TraceCheckUtils]: 13: Hoare triple {38996#true} ~s~0 := ~NP~0;~customIrp~0 := 0bv32;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0; {38996#true} is VALID [2018-11-18 21:31:23,447 INFO L273 TraceCheckUtils]: 14: Hoare triple {38996#true} assume true; {38996#true} is VALID [2018-11-18 21:31:23,447 INFO L268 TraceCheckUtils]: 15: Hoare quadruple {38996#true} {38996#true} #1367#return; {38996#true} is VALID [2018-11-18 21:31:23,447 INFO L273 TraceCheckUtils]: 16: Hoare triple {38996#true} assume !~bvslt32(~status~9, 0bv32);havoc ~tmp_ndt_1~0;~tmp_ndt_1~0 := #t~nondet156;havoc #t~nondet156; {38996#true} is VALID [2018-11-18 21:31:23,447 INFO L273 TraceCheckUtils]: 17: Hoare triple {38996#true} assume 2bv32 == ~tmp_ndt_1~0; {38996#true} is VALID [2018-11-18 21:31:23,447 INFO L256 TraceCheckUtils]: 18: Hoare triple {38996#true} call #t~ret159 := CdAudioDeviceControl(~devobj~0, ~pirp~0); {38996#true} is VALID [2018-11-18 21:31:23,448 INFO L273 TraceCheckUtils]: 19: Hoare triple {38996#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;~deviceExtension__Active~1 := #t~nondet26;havoc #t~nondet26;havoc ~status~3; {38996#true} is VALID [2018-11-18 21:31:23,448 INFO L273 TraceCheckUtils]: 20: Hoare triple {38996#true} assume !(2bv32 == ~deviceExtension__Active~1); {38996#true} is VALID [2018-11-18 21:31:23,448 INFO L273 TraceCheckUtils]: 21: Hoare triple {38996#true} assume !(3bv32 == ~deviceExtension__Active~1); {38996#true} is VALID [2018-11-18 21:31:23,448 INFO L273 TraceCheckUtils]: 22: Hoare triple {38996#true} assume !(1bv32 == ~deviceExtension__Active~1); {38996#true} is VALID [2018-11-18 21:31:23,449 INFO L273 TraceCheckUtils]: 23: Hoare triple {38996#true} assume 7bv32 == ~deviceExtension__Active~1; {38996#true} is VALID [2018-11-18 21:31:23,449 INFO L256 TraceCheckUtils]: 24: Hoare triple {38996#true} call #t~ret30 := CdAudioHPCdrDeviceControl(~DeviceObject, ~Irp); {38996#true} is VALID [2018-11-18 21:31:23,449 INFO L273 TraceCheckUtils]: 25: Hoare triple {38996#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;~currentIrpStack__Parameters__DeviceIoControl__IoControlCode~3 := #t~nondet136;havoc #t~nondet136;~deviceExtension__TargetDeviceObject~2 := #t~nondet137;havoc #t~nondet137;havoc ~irpSp__Control~0;havoc ~tmp~6;havoc ~tmp___0~3;havoc ~__cil_tmp8~0;havoc ~__cil_tmp9~0;havoc ~__cil_tmp10~2;havoc ~__cil_tmp11~2;havoc ~__cil_tmp12~1;~__cil_tmp8~0 := 56bv32;~__cil_tmp9~0 := 16384bv32;~__cil_tmp10~2 := 131072bv32;~__cil_tmp11~2 := 147456bv32;~__cil_tmp12~1 := 147512bv32; {38996#true} is VALID [2018-11-18 21:31:23,449 INFO L273 TraceCheckUtils]: 26: Hoare triple {38996#true} assume ~currentIrpStack__Parameters__DeviceIoControl__IoControlCode~3 == ~__cil_tmp12~1; {38996#true} is VALID [2018-11-18 21:31:23,449 INFO L273 TraceCheckUtils]: 27: Hoare triple {38996#true} assume !(~s~0 != ~NP~0); {38996#true} is VALID [2018-11-18 21:31:23,465 INFO L273 TraceCheckUtils]: 28: Hoare triple {38996#true} assume !(0bv32 != ~compRegistered~0);~compRegistered~0 := 1bv32;~routine~0 := 0bv32; {39085#(= (_ bv0 32) ~routine~0)} is VALID [2018-11-18 21:31:23,473 INFO L273 TraceCheckUtils]: 29: Hoare triple {39085#(= (_ bv0 32) ~routine~0)} ~irpSp__Control~0 := 224bv32; {39085#(= (_ bv0 32) ~routine~0)} is VALID [2018-11-18 21:31:23,487 INFO L256 TraceCheckUtils]: 30: Hoare triple {39085#(= (_ bv0 32) ~routine~0)} call #t~ret138 := IofCallDriver(~deviceExtension__TargetDeviceObject~2, ~Irp); {39085#(= (_ bv0 32) ~routine~0)} is VALID [2018-11-18 21:31:23,495 INFO L273 TraceCheckUtils]: 31: Hoare triple {39085#(= (_ bv0 32) ~routine~0)} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;~Irp__PendingReturned~1 := #t~nondet162;havoc #t~nondet162;havoc ~returnVal2~0;havoc ~compRetStatus~0;~lcontext~0 := #t~nondet163;havoc #t~nondet163;havoc ~__cil_tmp8~1; {39085#(= (_ bv0 32) ~routine~0)} is VALID [2018-11-18 21:31:23,509 INFO L273 TraceCheckUtils]: 32: Hoare triple {39085#(= (_ bv0 32) ~routine~0)} assume 0bv32 != ~compRegistered~0; {39085#(= (_ bv0 32) ~routine~0)} is VALID [2018-11-18 21:31:23,518 INFO L273 TraceCheckUtils]: 33: Hoare triple {39085#(= (_ bv0 32) ~routine~0)} assume !(0bv32 == ~routine~0); {38997#false} is VALID [2018-11-18 21:31:23,518 INFO L273 TraceCheckUtils]: 34: Hoare triple {38997#false} assume !(1bv32 == ~routine~0); {38997#false} is VALID [2018-11-18 21:31:23,518 INFO L273 TraceCheckUtils]: 35: Hoare triple {38997#false} ~__cil_tmp8~1 := ~compRetStatus~0; {38997#false} is VALID [2018-11-18 21:31:23,519 INFO L273 TraceCheckUtils]: 36: Hoare triple {38997#false} assume 3221225494bv32 == ~__cil_tmp8~1; {38997#false} is VALID [2018-11-18 21:31:23,519 INFO L256 TraceCheckUtils]: 37: Hoare triple {38997#false} call stubMoreProcessingRequired(); {38997#false} is VALID [2018-11-18 21:31:23,519 INFO L273 TraceCheckUtils]: 38: Hoare triple {38997#false} assume ~s~0 == ~NP~0;~s~0 := ~MPR1~0; {38997#false} is VALID [2018-11-18 21:31:23,519 INFO L273 TraceCheckUtils]: 39: Hoare triple {38997#false} assume true; {38997#false} is VALID [2018-11-18 21:31:23,519 INFO L268 TraceCheckUtils]: 40: Hoare quadruple {38997#false} {38997#false} #1471#return; {38997#false} is VALID [2018-11-18 21:31:23,520 INFO L273 TraceCheckUtils]: 41: Hoare triple {38997#false} assume 0bv32 != ~Irp__PendingReturned~1;~returnVal2~0 := 259bv32; {38997#false} is VALID [2018-11-18 21:31:23,520 INFO L273 TraceCheckUtils]: 42: Hoare triple {38997#false} assume !(~s~0 == ~NP~0); {38997#false} is VALID [2018-11-18 21:31:23,520 INFO L273 TraceCheckUtils]: 43: Hoare triple {38997#false} assume !(~s~0 == ~MPR1~0); {38997#false} is VALID [2018-11-18 21:31:23,520 INFO L273 TraceCheckUtils]: 44: Hoare triple {38997#false} assume !(~s~0 == ~SKIP1~0); {38997#false} is VALID [2018-11-18 21:31:23,520 INFO L256 TraceCheckUtils]: 45: Hoare triple {38997#false} call errorFn(); {38997#false} is VALID [2018-11-18 21:31:23,521 INFO L273 TraceCheckUtils]: 46: Hoare triple {38997#false} assume !false; {38997#false} is VALID [2018-11-18 21:31:23,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 21:31:23,522 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 21:31:23,530 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 21:31:23,530 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 21:31:23,531 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-18 21:31:23,531 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-18 21:31:23,531 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2018-11-18 21:31:23,595 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 47 edges. 47 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 21:31:23,596 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 21:31:23,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 21:31:23,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 21:31:23,597 INFO L87 Difference]: Start difference. First operand 755 states and 1060 transitions. Second operand 3 states. [2018-11-18 21:31:27,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 21:31:27,231 INFO L93 Difference]: Finished difference Result 875 states and 1208 transitions. [2018-11-18 21:31:27,231 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 21:31:27,231 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-18 21:31:27,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 21:31:27,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-18 21:31:27,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 860 transitions. [2018-11-18 21:31:27,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-18 21:31:27,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 860 transitions. [2018-11-18 21:31:27,247 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 860 transitions. [2018-11-18 21:31:28,206 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 860 edges. 860 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 21:31:28,240 INFO L225 Difference]: With dead ends: 875 [2018-11-18 21:31:28,240 INFO L226 Difference]: Without dead ends: 779 [2018-11-18 21:31:28,241 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 21:31:28,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 779 states. [2018-11-18 21:31:29,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 779 to 754. [2018-11-18 21:31:29,270 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-18 21:31:29,270 INFO L82 GeneralOperation]: Start isEquivalent. First operand 779 states. Second operand 754 states. [2018-11-18 21:31:29,270 INFO L74 IsIncluded]: Start isIncluded. First operand 779 states. Second operand 754 states. [2018-11-18 21:31:29,270 INFO L87 Difference]: Start difference. First operand 779 states. Second operand 754 states. [2018-11-18 21:31:29,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 21:31:29,300 INFO L93 Difference]: Finished difference Result 779 states and 1084 transitions. [2018-11-18 21:31:29,300 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 1084 transitions. [2018-11-18 21:31:29,301 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 21:31:29,302 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 21:31:29,302 INFO L74 IsIncluded]: Start isIncluded. First operand 754 states. Second operand 779 states. [2018-11-18 21:31:29,302 INFO L87 Difference]: Start difference. First operand 754 states. Second operand 779 states. [2018-11-18 21:31:29,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 21:31:29,327 INFO L93 Difference]: Finished difference Result 779 states and 1084 transitions. [2018-11-18 21:31:29,327 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 1084 transitions. [2018-11-18 21:31:29,329 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 21:31:29,329 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 21:31:29,329 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-18 21:31:29,329 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-18 21:31:29,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 754 states. [2018-11-18 21:31:29,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 754 states and 1055 transitions. [2018-11-18 21:31:29,369 INFO L78 Accepts]: Start accepts. Automaton has 754 states and 1055 transitions. Word has length 47 [2018-11-18 21:31:29,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 21:31:29,369 INFO L480 AbstractCegarLoop]: Abstraction has 754 states and 1055 transitions. [2018-11-18 21:31:29,369 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 21:31:29,369 INFO L276 IsEmpty]: Start isEmpty. Operand 754 states and 1055 transitions. [2018-11-18 21:31:29,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 21:31:29,371 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 21:31:29,371 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 21:31:29,371 INFO L423 AbstractCegarLoop]: === Iteration 11 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 21:31:29,371 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 21:31:29,372 INFO L82 PathProgramCache]: Analyzing trace with hash 1151602405, now seen corresponding path program 1 times [2018-11-18 21:31:29,372 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 21:31:29,372 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 12 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 12 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 21:31:29,390 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 21:31:29,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 21:31:29,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 21:31:29,514 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 21:31:29,583 INFO L256 TraceCheckUtils]: 0: Hoare triple {42845#true} call ULTIMATE.init(); {42845#true} is VALID [2018-11-18 21:31:29,584 INFO L273 TraceCheckUtils]: 1: Hoare triple {42845#true} ~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;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32;~routine~0 := 0bv32;~myStatus~0 := 0bv32;~pirp~0 := 0bv32;~Executive~0 := 0bv32;~Suspended~0 := 0bv32;~KernelMode~0 := 0bv32;~DeviceUsageTypePaging~0 := 0bv32; {42845#true} is VALID [2018-11-18 21:31:29,584 INFO L273 TraceCheckUtils]: 2: Hoare triple {42845#true} assume true; {42845#true} is VALID [2018-11-18 21:31:29,584 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {42845#true} {42845#true} #1497#return; {42845#true} is VALID [2018-11-18 21:31:29,584 INFO L256 TraceCheckUtils]: 4: Hoare triple {42845#true} call #t~ret176 := main(); {42845#true} is VALID [2018-11-18 21:31:29,584 INFO L273 TraceCheckUtils]: 5: Hoare triple {42845#true} havoc ~pirp__IoStatus__Status~0;~d~0 := #t~nondet150;havoc #t~nondet150;~status~9 := #t~nondet151;havoc #t~nondet151;~irp~1 := #t~nondet152;havoc #t~nondet152;~we_should_unload~0 := #t~nondet153;havoc #t~nondet153;~irp_choice~0 := #t~nondet154;havoc #t~nondet154;~devobj~0 := #t~nondet155;havoc #t~nondet155;havoc ~__cil_tmp9~1;~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;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32;~routine~0 := 0bv32;~myStatus~0 := 0bv32;~pirp~0 := 0bv32;~Executive~0 := 0bv32;~Suspended~0 := 5bv32;~KernelMode~0 := 0bv32;~DeviceUsageTypePaging~0 := 1bv32;~pirp~0 := ~irp~1; {42845#true} is VALID [2018-11-18 21:31:29,585 INFO L256 TraceCheckUtils]: 6: Hoare triple {42845#true} call _BLAST_init(); {42845#true} is VALID [2018-11-18 21:31:29,585 INFO L273 TraceCheckUtils]: 7: Hoare triple {42845#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 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32; {42845#true} is VALID [2018-11-18 21:31:29,585 INFO L273 TraceCheckUtils]: 8: Hoare triple {42845#true} assume true; {42845#true} is VALID [2018-11-18 21:31:29,585 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {42845#true} {42845#true} #1365#return; {42845#true} is VALID [2018-11-18 21:31:29,585 INFO L273 TraceCheckUtils]: 10: Hoare triple {42845#true} assume ~bvsge32(~status~9, 0bv32);~s~0 := ~NP~0;~customIrp~0 := 0bv32;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0;~pirp__IoStatus__Status~0 := 0bv32;~myStatus~0 := 0bv32; {42845#true} is VALID [2018-11-18 21:31:29,586 INFO L273 TraceCheckUtils]: 11: Hoare triple {42845#true} assume 0bv32 == ~irp_choice~0;~pirp__IoStatus__Status~0 := 3221225659bv32;~myStatus~0 := 3221225659bv32; {42845#true} is VALID [2018-11-18 21:31:29,586 INFO L256 TraceCheckUtils]: 12: Hoare triple {42845#true} call stub_driver_init(); {42845#true} is VALID [2018-11-18 21:31:29,586 INFO L273 TraceCheckUtils]: 13: Hoare triple {42845#true} ~s~0 := ~NP~0;~customIrp~0 := 0bv32;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0; {42845#true} is VALID [2018-11-18 21:31:29,586 INFO L273 TraceCheckUtils]: 14: Hoare triple {42845#true} assume true; {42845#true} is VALID [2018-11-18 21:31:29,586 INFO L268 TraceCheckUtils]: 15: Hoare quadruple {42845#true} {42845#true} #1367#return; {42845#true} is VALID [2018-11-18 21:31:29,587 INFO L273 TraceCheckUtils]: 16: Hoare triple {42845#true} assume !~bvslt32(~status~9, 0bv32);havoc ~tmp_ndt_1~0;~tmp_ndt_1~0 := #t~nondet156;havoc #t~nondet156; {42845#true} is VALID [2018-11-18 21:31:29,587 INFO L273 TraceCheckUtils]: 17: Hoare triple {42845#true} assume !(2bv32 == ~tmp_ndt_1~0);havoc ~tmp_ndt_2~0;~tmp_ndt_2~0 := #t~nondet157;havoc #t~nondet157; {42845#true} is VALID [2018-11-18 21:31:29,587 INFO L273 TraceCheckUtils]: 18: Hoare triple {42845#true} assume !(3bv32 == ~tmp_ndt_2~0);havoc ~tmp_ndt_3~0;~tmp_ndt_3~0 := #t~nondet158;havoc #t~nondet158; {42845#true} is VALID [2018-11-18 21:31:29,587 INFO L273 TraceCheckUtils]: 19: Hoare triple {42845#true} assume 4bv32 == ~tmp_ndt_3~0; {42845#true} is VALID [2018-11-18 21:31:29,587 INFO L256 TraceCheckUtils]: 20: Hoare triple {42845#true} call #t~ret161 := CdAudioPower(~devobj~0, ~pirp~0); {42845#true} is VALID [2018-11-18 21:31:29,588 INFO L273 TraceCheckUtils]: 21: Hoare triple {42845#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;~Irp__CurrentLocation~1 := #t~nondet144;havoc #t~nondet144;~Irp__Tail__Overlay__CurrentStackLocation~3 := #t~nondet145;havoc #t~nondet145;~deviceExtension__TargetDeviceObject~4 := #t~nondet146;havoc #t~nondet146;havoc ~tmp~7; {42845#true} is VALID [2018-11-18 21:31:29,588 INFO L273 TraceCheckUtils]: 22: Hoare triple {42845#true} assume ~s~0 == ~NP~0;~s~0 := ~SKIP1~0; {42845#true} is VALID [2018-11-18 21:31:29,588 INFO L273 TraceCheckUtils]: 23: Hoare triple {42845#true} #t~post147 := ~Irp__CurrentLocation~1;~Irp__CurrentLocation~1 := ~bvadd32(1bv32, #t~post147);havoc #t~post147;#t~post148 := ~Irp__Tail__Overlay__CurrentStackLocation~3;~Irp__Tail__Overlay__CurrentStackLocation~3 := ~bvadd32(1bv32, #t~post148);havoc #t~post148; {42845#true} is VALID [2018-11-18 21:31:29,588 INFO L256 TraceCheckUtils]: 24: Hoare triple {42845#true} call #t~ret149 := PoCallDriver(~deviceExtension__TargetDeviceObject~4, ~Irp); {42845#true} is VALID [2018-11-18 21:31:29,589 INFO L273 TraceCheckUtils]: 25: Hoare triple {42845#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;havoc ~compRetStatus~1;havoc ~returnVal~0;~lcontext~1 := #t~nondet170;havoc #t~nondet170;havoc ~__cil_tmp7~0;havoc ~__cil_tmp8~2; {42845#true} is VALID [2018-11-18 21:31:29,589 INFO L273 TraceCheckUtils]: 26: Hoare triple {42845#true} assume !(0bv32 != ~compRegistered~0); {42845#true} is VALID [2018-11-18 21:31:29,589 INFO L273 TraceCheckUtils]: 27: Hoare triple {42845#true} havoc ~tmp_ndt_8~0;~tmp_ndt_8~0 := #t~nondet173;havoc #t~nondet173; {42845#true} is VALID [2018-11-18 21:31:29,589 INFO L273 TraceCheckUtils]: 28: Hoare triple {42845#true} assume 0bv32 == ~tmp_ndt_8~0; {42845#true} is VALID [2018-11-18 21:31:29,589 INFO L273 TraceCheckUtils]: 29: Hoare triple {42845#true} ~returnVal~0 := 0bv32; {42845#true} is VALID [2018-11-18 21:31:29,591 INFO L273 TraceCheckUtils]: 30: Hoare triple {42845#true} assume ~s~0 == ~NP~0;~s~0 := ~IPC~0;~lowerDriverReturn~0 := ~returnVal~0; {42940#(= ~IPC~0 ~s~0)} is VALID [2018-11-18 21:31:29,593 INFO L273 TraceCheckUtils]: 31: Hoare triple {42940#(= ~IPC~0 ~s~0)} #res := ~returnVal~0; {42940#(= ~IPC~0 ~s~0)} is VALID [2018-11-18 21:31:29,593 INFO L273 TraceCheckUtils]: 32: Hoare triple {42940#(= ~IPC~0 ~s~0)} assume true; {42940#(= ~IPC~0 ~s~0)} is VALID [2018-11-18 21:31:29,594 INFO L268 TraceCheckUtils]: 33: Hoare quadruple {42940#(= ~IPC~0 ~s~0)} {42845#true} #1409#return; {42940#(= ~IPC~0 ~s~0)} is VALID [2018-11-18 21:31:29,595 INFO L273 TraceCheckUtils]: 34: Hoare triple {42940#(= ~IPC~0 ~s~0)} ~tmp~7 := #t~ret149;havoc #t~ret149;#res := ~tmp~7; {42940#(= ~IPC~0 ~s~0)} is VALID [2018-11-18 21:31:29,597 INFO L273 TraceCheckUtils]: 35: Hoare triple {42940#(= ~IPC~0 ~s~0)} assume true; {42940#(= ~IPC~0 ~s~0)} is VALID [2018-11-18 21:31:29,601 INFO L268 TraceCheckUtils]: 36: Hoare quadruple {42940#(= ~IPC~0 ~s~0)} {42845#true} #1373#return; {42940#(= ~IPC~0 ~s~0)} is VALID [2018-11-18 21:31:29,603 INFO L273 TraceCheckUtils]: 37: Hoare triple {42940#(= ~IPC~0 ~s~0)} ~status~9 := #t~ret161;havoc #t~ret161; {42940#(= ~IPC~0 ~s~0)} is VALID [2018-11-18 21:31:29,604 INFO L273 TraceCheckUtils]: 38: Hoare triple {42940#(= ~IPC~0 ~s~0)} assume !(0bv32 != ~we_should_unload~0); {42940#(= ~IPC~0 ~s~0)} is VALID [2018-11-18 21:31:29,605 INFO L273 TraceCheckUtils]: 39: Hoare triple {42940#(= ~IPC~0 ~s~0)} assume !(1bv32 == ~pended~0); {42940#(= ~IPC~0 ~s~0)} is VALID [2018-11-18 21:31:29,605 INFO L273 TraceCheckUtils]: 40: Hoare triple {42940#(= ~IPC~0 ~s~0)} assume !(1bv32 == ~pended~0); {42940#(= ~IPC~0 ~s~0)} is VALID [2018-11-18 21:31:29,606 INFO L273 TraceCheckUtils]: 41: Hoare triple {42940#(= ~IPC~0 ~s~0)} assume ~s~0 != ~UNLOADED~0; {42940#(= ~IPC~0 ~s~0)} is VALID [2018-11-18 21:31:29,606 INFO L273 TraceCheckUtils]: 42: Hoare triple {42940#(= ~IPC~0 ~s~0)} assume 4294967295bv32 != ~status~9; {42940#(= ~IPC~0 ~s~0)} is VALID [2018-11-18 21:31:29,607 INFO L273 TraceCheckUtils]: 43: Hoare triple {42940#(= ~IPC~0 ~s~0)} assume ~s~0 != ~SKIP2~0; {42940#(= ~IPC~0 ~s~0)} is VALID [2018-11-18 21:31:29,607 INFO L273 TraceCheckUtils]: 44: Hoare triple {42940#(= ~IPC~0 ~s~0)} assume ~s~0 != ~IPC~0; {42846#false} is VALID [2018-11-18 21:31:29,607 INFO L273 TraceCheckUtils]: 45: Hoare triple {42846#false} assume ~s~0 != ~DC~0; {42846#false} is VALID [2018-11-18 21:31:29,607 INFO L256 TraceCheckUtils]: 46: Hoare triple {42846#false} call errorFn(); {42846#false} is VALID [2018-11-18 21:31:29,608 INFO L273 TraceCheckUtils]: 47: Hoare triple {42846#false} assume !false; {42846#false} is VALID [2018-11-18 21:31:29,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 21:31:29,609 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 21:31:29,611 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 21:31:29,611 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 21:31:29,611 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-11-18 21:31:29,611 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-18 21:31:29,611 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2018-11-18 21:31:29,666 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 48 edges. 48 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 21:31:29,667 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 21:31:29,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 21:31:29,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 21:31:29,667 INFO L87 Difference]: Start difference. First operand 754 states and 1055 transitions. Second operand 3 states. [2018-11-18 21:31:33,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 21:31:33,789 INFO L93 Difference]: Finished difference Result 944 states and 1304 transitions. [2018-11-18 21:31:33,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 21:31:33,789 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-11-18 21:31:33,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 21:31:33,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-18 21:31:33,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 890 transitions. [2018-11-18 21:31:33,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-18 21:31:33,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 890 transitions. [2018-11-18 21:31:33,806 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 890 transitions. [2018-11-18 21:31:34,773 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 890 edges. 890 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 21:31:34,822 INFO L225 Difference]: With dead ends: 944 [2018-11-18 21:31:34,823 INFO L226 Difference]: Without dead ends: 934 [2018-11-18 21:31:34,823 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 21:31:34,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 934 states. [2018-11-18 21:31:36,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 934 to 829. [2018-11-18 21:31:36,986 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-18 21:31:36,986 INFO L82 GeneralOperation]: Start isEquivalent. First operand 934 states. Second operand 829 states. [2018-11-18 21:31:36,986 INFO L74 IsIncluded]: Start isIncluded. First operand 934 states. Second operand 829 states. [2018-11-18 21:31:36,986 INFO L87 Difference]: Start difference. First operand 934 states. Second operand 829 states. [2018-11-18 21:31:37,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 21:31:37,039 INFO L93 Difference]: Finished difference Result 934 states and 1292 transitions. [2018-11-18 21:31:37,039 INFO L276 IsEmpty]: Start isEmpty. Operand 934 states and 1292 transitions. [2018-11-18 21:31:37,041 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 21:31:37,041 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 21:31:37,041 INFO L74 IsIncluded]: Start isIncluded. First operand 829 states. Second operand 934 states. [2018-11-18 21:31:37,042 INFO L87 Difference]: Start difference. First operand 829 states. Second operand 934 states. [2018-11-18 21:31:37,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 21:31:37,078 INFO L93 Difference]: Finished difference Result 934 states and 1292 transitions. [2018-11-18 21:31:37,078 INFO L276 IsEmpty]: Start isEmpty. Operand 934 states and 1292 transitions. [2018-11-18 21:31:37,080 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 21:31:37,080 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 21:31:37,080 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-18 21:31:37,080 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-18 21:31:37,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 829 states. [2018-11-18 21:31:37,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 829 states and 1142 transitions. [2018-11-18 21:31:37,115 INFO L78 Accepts]: Start accepts. Automaton has 829 states and 1142 transitions. Word has length 48 [2018-11-18 21:31:37,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 21:31:37,115 INFO L480 AbstractCegarLoop]: Abstraction has 829 states and 1142 transitions. [2018-11-18 21:31:37,116 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 21:31:37,116 INFO L276 IsEmpty]: Start isEmpty. Operand 829 states and 1142 transitions. [2018-11-18 21:31:37,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-18 21:31:37,117 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 21:31:37,117 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 21:31:37,117 INFO L423 AbstractCegarLoop]: === Iteration 12 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 21:31:37,117 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 21:31:37,118 INFO L82 PathProgramCache]: Analyzing trace with hash 1783806924, now seen corresponding path program 1 times [2018-11-18 21:31:37,118 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 21:31:37,118 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 13 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 13 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 21:31:37,134 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 21:31:37,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 21:31:37,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 21:31:37,257 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 21:31:37,423 INFO L256 TraceCheckUtils]: 0: Hoare triple {47162#true} call ULTIMATE.init(); {47162#true} is VALID [2018-11-18 21:31:37,424 INFO L273 TraceCheckUtils]: 1: Hoare triple {47162#true} ~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;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32;~routine~0 := 0bv32;~myStatus~0 := 0bv32;~pirp~0 := 0bv32;~Executive~0 := 0bv32;~Suspended~0 := 0bv32;~KernelMode~0 := 0bv32;~DeviceUsageTypePaging~0 := 0bv32; {47162#true} is VALID [2018-11-18 21:31:37,424 INFO L273 TraceCheckUtils]: 2: Hoare triple {47162#true} assume true; {47162#true} is VALID [2018-11-18 21:31:37,424 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {47162#true} {47162#true} #1497#return; {47162#true} is VALID [2018-11-18 21:31:37,424 INFO L256 TraceCheckUtils]: 4: Hoare triple {47162#true} call #t~ret176 := main(); {47162#true} is VALID [2018-11-18 21:31:37,425 INFO L273 TraceCheckUtils]: 5: Hoare triple {47162#true} havoc ~pirp__IoStatus__Status~0;~d~0 := #t~nondet150;havoc #t~nondet150;~status~9 := #t~nondet151;havoc #t~nondet151;~irp~1 := #t~nondet152;havoc #t~nondet152;~we_should_unload~0 := #t~nondet153;havoc #t~nondet153;~irp_choice~0 := #t~nondet154;havoc #t~nondet154;~devobj~0 := #t~nondet155;havoc #t~nondet155;havoc ~__cil_tmp9~1;~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;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32;~routine~0 := 0bv32;~myStatus~0 := 0bv32;~pirp~0 := 0bv32;~Executive~0 := 0bv32;~Suspended~0 := 5bv32;~KernelMode~0 := 0bv32;~DeviceUsageTypePaging~0 := 1bv32;~pirp~0 := ~irp~1; {47162#true} is VALID [2018-11-18 21:31:37,425 INFO L256 TraceCheckUtils]: 6: Hoare triple {47162#true} call _BLAST_init(); {47162#true} is VALID [2018-11-18 21:31:37,426 INFO L273 TraceCheckUtils]: 7: Hoare triple {47162#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 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32; {47188#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0))} is VALID [2018-11-18 21:31:37,426 INFO L273 TraceCheckUtils]: 8: Hoare triple {47188#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0))} assume true; {47188#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0))} is VALID [2018-11-18 21:31:37,426 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {47188#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0))} {47162#true} #1365#return; {47188#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0))} is VALID [2018-11-18 21:31:37,427 INFO L273 TraceCheckUtils]: 10: Hoare triple {47188#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0))} assume ~bvsge32(~status~9, 0bv32);~s~0 := ~NP~0;~customIrp~0 := 0bv32;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0;~pirp__IoStatus__Status~0 := 0bv32;~myStatus~0 := 0bv32; {47188#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0))} is VALID [2018-11-18 21:31:37,427 INFO L273 TraceCheckUtils]: 11: Hoare triple {47188#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0))} assume 0bv32 == ~irp_choice~0;~pirp__IoStatus__Status~0 := 3221225659bv32;~myStatus~0 := 3221225659bv32; {47188#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0))} is VALID [2018-11-18 21:31:37,428 INFO L256 TraceCheckUtils]: 12: Hoare triple {47188#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0))} call stub_driver_init(); {47188#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0))} is VALID [2018-11-18 21:31:37,428 INFO L273 TraceCheckUtils]: 13: Hoare triple {47188#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0))} ~s~0 := ~NP~0;~customIrp~0 := 0bv32;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0; {47188#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0))} is VALID [2018-11-18 21:31:37,429 INFO L273 TraceCheckUtils]: 14: Hoare triple {47188#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0))} assume true; {47188#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0))} is VALID [2018-11-18 21:31:37,430 INFO L268 TraceCheckUtils]: 15: Hoare quadruple {47188#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0))} {47188#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0))} #1367#return; {47188#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0))} is VALID [2018-11-18 21:31:37,430 INFO L273 TraceCheckUtils]: 16: Hoare triple {47188#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0))} assume !~bvslt32(~status~9, 0bv32);havoc ~tmp_ndt_1~0;~tmp_ndt_1~0 := #t~nondet156;havoc #t~nondet156; {47188#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0))} is VALID [2018-11-18 21:31:37,431 INFO L273 TraceCheckUtils]: 17: Hoare triple {47188#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0))} assume !(2bv32 == ~tmp_ndt_1~0);havoc ~tmp_ndt_2~0;~tmp_ndt_2~0 := #t~nondet157;havoc #t~nondet157; {47188#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0))} is VALID [2018-11-18 21:31:37,432 INFO L273 TraceCheckUtils]: 18: Hoare triple {47188#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0))} assume !(3bv32 == ~tmp_ndt_2~0);havoc ~tmp_ndt_3~0;~tmp_ndt_3~0 := #t~nondet158;havoc #t~nondet158; {47188#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0))} is VALID [2018-11-18 21:31:37,433 INFO L273 TraceCheckUtils]: 19: Hoare triple {47188#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0))} assume 4bv32 == ~tmp_ndt_3~0; {47188#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0))} is VALID [2018-11-18 21:31:37,433 INFO L256 TraceCheckUtils]: 20: Hoare triple {47188#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0))} call #t~ret161 := CdAudioPower(~devobj~0, ~pirp~0); {47188#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0))} is VALID [2018-11-18 21:31:37,434 INFO L273 TraceCheckUtils]: 21: Hoare triple {47188#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0))} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;~Irp__CurrentLocation~1 := #t~nondet144;havoc #t~nondet144;~Irp__Tail__Overlay__CurrentStackLocation~3 := #t~nondet145;havoc #t~nondet145;~deviceExtension__TargetDeviceObject~4 := #t~nondet146;havoc #t~nondet146;havoc ~tmp~7; {47188#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0))} is VALID [2018-11-18 21:31:37,435 INFO L273 TraceCheckUtils]: 22: Hoare triple {47188#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0))} assume ~s~0 == ~NP~0;~s~0 := ~SKIP1~0; {47234#(and (= ~SKIP1~0 ~s~0) (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0))} is VALID [2018-11-18 21:31:37,436 INFO L273 TraceCheckUtils]: 23: Hoare triple {47234#(and (= ~SKIP1~0 ~s~0) (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0))} #t~post147 := ~Irp__CurrentLocation~1;~Irp__CurrentLocation~1 := ~bvadd32(1bv32, #t~post147);havoc #t~post147;#t~post148 := ~Irp__Tail__Overlay__CurrentStackLocation~3;~Irp__Tail__Overlay__CurrentStackLocation~3 := ~bvadd32(1bv32, #t~post148);havoc #t~post148; {47234#(and (= ~SKIP1~0 ~s~0) (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0))} is VALID [2018-11-18 21:31:37,437 INFO L256 TraceCheckUtils]: 24: Hoare triple {47234#(and (= ~SKIP1~0 ~s~0) (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0))} call #t~ret149 := PoCallDriver(~deviceExtension__TargetDeviceObject~4, ~Irp); {47241#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0) (= |old(~s~0)| ~s~0))} is VALID [2018-11-18 21:31:37,438 INFO L273 TraceCheckUtils]: 25: Hoare triple {47241#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0) (= |old(~s~0)| ~s~0))} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;havoc ~compRetStatus~1;havoc ~returnVal~0;~lcontext~1 := #t~nondet170;havoc #t~nondet170;havoc ~__cil_tmp7~0;havoc ~__cil_tmp8~2; {47241#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0) (= |old(~s~0)| ~s~0))} is VALID [2018-11-18 21:31:37,439 INFO L273 TraceCheckUtils]: 26: Hoare triple {47241#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0) (= |old(~s~0)| ~s~0))} assume !(0bv32 != ~compRegistered~0); {47241#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0) (= |old(~s~0)| ~s~0))} is VALID [2018-11-18 21:31:37,440 INFO L273 TraceCheckUtils]: 27: Hoare triple {47241#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0) (= |old(~s~0)| ~s~0))} havoc ~tmp_ndt_8~0;~tmp_ndt_8~0 := #t~nondet173;havoc #t~nondet173; {47241#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0) (= |old(~s~0)| ~s~0))} is VALID [2018-11-18 21:31:37,440 INFO L273 TraceCheckUtils]: 28: Hoare triple {47241#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0) (= |old(~s~0)| ~s~0))} assume 0bv32 == ~tmp_ndt_8~0; {47241#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0) (= |old(~s~0)| ~s~0))} is VALID [2018-11-18 21:31:37,441 INFO L273 TraceCheckUtils]: 29: Hoare triple {47241#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0) (= |old(~s~0)| ~s~0))} ~returnVal~0 := 0bv32; {47241#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0) (= |old(~s~0)| ~s~0))} is VALID [2018-11-18 21:31:37,442 INFO L273 TraceCheckUtils]: 30: Hoare triple {47241#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0) (= |old(~s~0)| ~s~0))} assume ~s~0 == ~NP~0;~s~0 := ~IPC~0;~lowerDriverReturn~0 := ~returnVal~0; {47260#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0) (= |old(~s~0)| ~NP~0))} is VALID [2018-11-18 21:31:37,443 INFO L273 TraceCheckUtils]: 31: Hoare triple {47260#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0) (= |old(~s~0)| ~NP~0))} #res := ~returnVal~0; {47260#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0) (= |old(~s~0)| ~NP~0))} is VALID [2018-11-18 21:31:37,444 INFO L273 TraceCheckUtils]: 32: Hoare triple {47260#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0) (= |old(~s~0)| ~NP~0))} assume true; {47260#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0) (= |old(~s~0)| ~NP~0))} is VALID [2018-11-18 21:31:37,445 INFO L268 TraceCheckUtils]: 33: Hoare quadruple {47260#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0) (= |old(~s~0)| ~NP~0))} {47234#(and (= ~SKIP1~0 ~s~0) (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0))} #1409#return; {47163#false} is VALID [2018-11-18 21:31:37,445 INFO L273 TraceCheckUtils]: 34: Hoare triple {47163#false} ~tmp~7 := #t~ret149;havoc #t~ret149;#res := ~tmp~7; {47163#false} is VALID [2018-11-18 21:31:37,445 INFO L273 TraceCheckUtils]: 35: Hoare triple {47163#false} assume true; {47163#false} is VALID [2018-11-18 21:31:37,446 INFO L268 TraceCheckUtils]: 36: Hoare quadruple {47163#false} {47188#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (_ bv1 32) ~NP~0))} #1373#return; {47163#false} is VALID [2018-11-18 21:31:37,446 INFO L273 TraceCheckUtils]: 37: Hoare triple {47163#false} ~status~9 := #t~ret161;havoc #t~ret161; {47163#false} is VALID [2018-11-18 21:31:37,446 INFO L273 TraceCheckUtils]: 38: Hoare triple {47163#false} assume !(0bv32 != ~we_should_unload~0); {47163#false} is VALID [2018-11-18 21:31:37,446 INFO L273 TraceCheckUtils]: 39: Hoare triple {47163#false} assume !(1bv32 == ~pended~0); {47163#false} is VALID [2018-11-18 21:31:37,447 INFO L273 TraceCheckUtils]: 40: Hoare triple {47163#false} assume !(1bv32 == ~pended~0); {47163#false} is VALID [2018-11-18 21:31:37,447 INFO L273 TraceCheckUtils]: 41: Hoare triple {47163#false} assume ~s~0 != ~UNLOADED~0; {47163#false} is VALID [2018-11-18 21:31:37,447 INFO L273 TraceCheckUtils]: 42: Hoare triple {47163#false} assume 4294967295bv32 != ~status~9; {47163#false} is VALID [2018-11-18 21:31:37,447 INFO L273 TraceCheckUtils]: 43: Hoare triple {47163#false} assume !(~s~0 != ~SKIP2~0); {47163#false} is VALID [2018-11-18 21:31:37,447 INFO L273 TraceCheckUtils]: 44: Hoare triple {47163#false} assume 1bv32 != ~pended~0; {47163#false} is VALID [2018-11-18 21:31:37,448 INFO L273 TraceCheckUtils]: 45: Hoare triple {47163#false} assume !(~s~0 == ~DC~0); {47163#false} is VALID [2018-11-18 21:31:37,448 INFO L273 TraceCheckUtils]: 46: Hoare triple {47163#false} assume ~status~9 != ~lowerDriverReturn~0; {47163#false} is VALID [2018-11-18 21:31:37,448 INFO L256 TraceCheckUtils]: 47: Hoare triple {47163#false} call errorFn(); {47163#false} is VALID [2018-11-18 21:31:37,448 INFO L273 TraceCheckUtils]: 48: Hoare triple {47163#false} assume !false; {47163#false} is VALID [2018-11-18 21:31:37,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 21:31:37,452 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 21:31:37,453 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 21:31:37,453 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 21:31:37,453 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 49 [2018-11-18 21:31:37,454 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-18 21:31:37,454 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2018-11-18 21:31:37,515 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 49 edges. 49 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 21:31:37,516 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 21:31:37,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 21:31:37,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 21:31:37,517 INFO L87 Difference]: Start difference. First operand 829 states and 1142 transitions. Second operand 6 states. [2018-11-18 21:31:50,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 21:31:50,663 INFO L93 Difference]: Finished difference Result 1121 states and 1583 transitions. [2018-11-18 21:31:50,663 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 21:31:50,663 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 49 [2018-11-18 21:31:50,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 21:31:50,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-11-18 21:31:50,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1171 transitions. [2018-11-18 21:31:50,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-11-18 21:31:50,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1171 transitions. [2018-11-18 21:31:50,688 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 1171 transitions. [2018-11-18 21:31:52,631 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 1171 edges. 1171 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 21:31:52,687 INFO L225 Difference]: With dead ends: 1121 [2018-11-18 21:31:52,687 INFO L226 Difference]: Without dead ends: 1062 [2018-11-18 21:31:52,688 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 43 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-18 21:31:52,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1062 states. [2018-11-18 21:31:54,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1062 to 832. [2018-11-18 21:31:54,440 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-18 21:31:54,440 INFO L82 GeneralOperation]: Start isEquivalent. First operand 1062 states. Second operand 832 states. [2018-11-18 21:31:54,440 INFO L74 IsIncluded]: Start isIncluded. First operand 1062 states. Second operand 832 states. [2018-11-18 21:31:54,441 INFO L87 Difference]: Start difference. First operand 1062 states. Second operand 832 states. [2018-11-18 21:31:54,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 21:31:54,512 INFO L93 Difference]: Finished difference Result 1062 states and 1511 transitions. [2018-11-18 21:31:54,512 INFO L276 IsEmpty]: Start isEmpty. Operand 1062 states and 1511 transitions. [2018-11-18 21:31:54,515 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 21:31:54,515 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 21:31:54,515 INFO L74 IsIncluded]: Start isIncluded. First operand 832 states. Second operand 1062 states. [2018-11-18 21:31:54,515 INFO L87 Difference]: Start difference. First operand 832 states. Second operand 1062 states. [2018-11-18 21:31:54,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 21:31:54,584 INFO L93 Difference]: Finished difference Result 1062 states and 1511 transitions. [2018-11-18 21:31:54,584 INFO L276 IsEmpty]: Start isEmpty. Operand 1062 states and 1511 transitions. [2018-11-18 21:31:54,587 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 21:31:54,587 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 21:31:54,587 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-18 21:31:54,588 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-18 21:31:54,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 832 states. [2018-11-18 21:31:54,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 832 states and 1149 transitions. [2018-11-18 21:31:54,626 INFO L78 Accepts]: Start accepts. Automaton has 832 states and 1149 transitions. Word has length 49 [2018-11-18 21:31:54,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 21:31:54,627 INFO L480 AbstractCegarLoop]: Abstraction has 832 states and 1149 transitions. [2018-11-18 21:31:54,627 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 21:31:54,627 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1149 transitions. [2018-11-18 21:31:54,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-18 21:31:54,628 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 21:31:54,628 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 21:31:54,629 INFO L423 AbstractCegarLoop]: === Iteration 13 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 21:31:54,629 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 21:31:54,629 INFO L82 PathProgramCache]: Analyzing trace with hash -1751655904, now seen corresponding path program 1 times [2018-11-18 21:31:54,629 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 21:31:54,629 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 14 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 14 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 21:31:54,646 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 21:31:54,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 21:31:54,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 21:31:54,765 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 21:31:54,825 INFO L256 TraceCheckUtils]: 0: Hoare triple {51968#true} call ULTIMATE.init(); {51968#true} is VALID [2018-11-18 21:31:54,826 INFO L273 TraceCheckUtils]: 1: Hoare triple {51968#true} ~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;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32;~routine~0 := 0bv32;~myStatus~0 := 0bv32;~pirp~0 := 0bv32;~Executive~0 := 0bv32;~Suspended~0 := 0bv32;~KernelMode~0 := 0bv32;~DeviceUsageTypePaging~0 := 0bv32; {51968#true} is VALID [2018-11-18 21:31:54,826 INFO L273 TraceCheckUtils]: 2: Hoare triple {51968#true} assume true; {51968#true} is VALID [2018-11-18 21:31:54,826 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {51968#true} {51968#true} #1497#return; {51968#true} is VALID [2018-11-18 21:31:54,826 INFO L256 TraceCheckUtils]: 4: Hoare triple {51968#true} call #t~ret176 := main(); {51968#true} is VALID [2018-11-18 21:31:54,827 INFO L273 TraceCheckUtils]: 5: Hoare triple {51968#true} havoc ~pirp__IoStatus__Status~0;~d~0 := #t~nondet150;havoc #t~nondet150;~status~9 := #t~nondet151;havoc #t~nondet151;~irp~1 := #t~nondet152;havoc #t~nondet152;~we_should_unload~0 := #t~nondet153;havoc #t~nondet153;~irp_choice~0 := #t~nondet154;havoc #t~nondet154;~devobj~0 := #t~nondet155;havoc #t~nondet155;havoc ~__cil_tmp9~1;~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;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32;~routine~0 := 0bv32;~myStatus~0 := 0bv32;~pirp~0 := 0bv32;~Executive~0 := 0bv32;~Suspended~0 := 5bv32;~KernelMode~0 := 0bv32;~DeviceUsageTypePaging~0 := 1bv32;~pirp~0 := ~irp~1; {51968#true} is VALID [2018-11-18 21:31:54,827 INFO L256 TraceCheckUtils]: 6: Hoare triple {51968#true} call _BLAST_init(); {51968#true} is VALID [2018-11-18 21:31:54,827 INFO L273 TraceCheckUtils]: 7: Hoare triple {51968#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 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32; {51968#true} is VALID [2018-11-18 21:31:54,827 INFO L273 TraceCheckUtils]: 8: Hoare triple {51968#true} assume true; {51968#true} is VALID [2018-11-18 21:31:54,827 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {51968#true} {51968#true} #1365#return; {51968#true} is VALID [2018-11-18 21:31:54,828 INFO L273 TraceCheckUtils]: 10: Hoare triple {51968#true} assume ~bvsge32(~status~9, 0bv32);~s~0 := ~NP~0;~customIrp~0 := 0bv32;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0;~pirp__IoStatus__Status~0 := 0bv32;~myStatus~0 := 0bv32; {51968#true} is VALID [2018-11-18 21:31:54,828 INFO L273 TraceCheckUtils]: 11: Hoare triple {51968#true} assume 0bv32 == ~irp_choice~0;~pirp__IoStatus__Status~0 := 3221225659bv32;~myStatus~0 := 3221225659bv32; {51968#true} is VALID [2018-11-18 21:31:54,828 INFO L256 TraceCheckUtils]: 12: Hoare triple {51968#true} call stub_driver_init(); {51968#true} is VALID [2018-11-18 21:31:54,828 INFO L273 TraceCheckUtils]: 13: Hoare triple {51968#true} ~s~0 := ~NP~0;~customIrp~0 := 0bv32;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0; {51968#true} is VALID [2018-11-18 21:31:54,828 INFO L273 TraceCheckUtils]: 14: Hoare triple {51968#true} assume true; {51968#true} is VALID [2018-11-18 21:31:54,828 INFO L268 TraceCheckUtils]: 15: Hoare quadruple {51968#true} {51968#true} #1367#return; {51968#true} is VALID [2018-11-18 21:31:54,828 INFO L273 TraceCheckUtils]: 16: Hoare triple {51968#true} assume !~bvslt32(~status~9, 0bv32);havoc ~tmp_ndt_1~0;~tmp_ndt_1~0 := #t~nondet156;havoc #t~nondet156; {51968#true} is VALID [2018-11-18 21:31:54,828 INFO L273 TraceCheckUtils]: 17: Hoare triple {51968#true} assume !(2bv32 == ~tmp_ndt_1~0);havoc ~tmp_ndt_2~0;~tmp_ndt_2~0 := #t~nondet157;havoc #t~nondet157; {51968#true} is VALID [2018-11-18 21:31:54,829 INFO L273 TraceCheckUtils]: 18: Hoare triple {51968#true} assume !(3bv32 == ~tmp_ndt_2~0);havoc ~tmp_ndt_3~0;~tmp_ndt_3~0 := #t~nondet158;havoc #t~nondet158; {51968#true} is VALID [2018-11-18 21:31:54,829 INFO L273 TraceCheckUtils]: 19: Hoare triple {51968#true} assume 4bv32 == ~tmp_ndt_3~0; {51968#true} is VALID [2018-11-18 21:31:54,829 INFO L256 TraceCheckUtils]: 20: Hoare triple {51968#true} call #t~ret161 := CdAudioPower(~devobj~0, ~pirp~0); {51968#true} is VALID [2018-11-18 21:31:54,829 INFO L273 TraceCheckUtils]: 21: Hoare triple {51968#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;~Irp__CurrentLocation~1 := #t~nondet144;havoc #t~nondet144;~Irp__Tail__Overlay__CurrentStackLocation~3 := #t~nondet145;havoc #t~nondet145;~deviceExtension__TargetDeviceObject~4 := #t~nondet146;havoc #t~nondet146;havoc ~tmp~7; {51968#true} is VALID [2018-11-18 21:31:54,829 INFO L273 TraceCheckUtils]: 22: Hoare triple {51968#true} assume ~s~0 == ~NP~0;~s~0 := ~SKIP1~0; {51968#true} is VALID [2018-11-18 21:31:54,829 INFO L273 TraceCheckUtils]: 23: Hoare triple {51968#true} #t~post147 := ~Irp__CurrentLocation~1;~Irp__CurrentLocation~1 := ~bvadd32(1bv32, #t~post147);havoc #t~post147;#t~post148 := ~Irp__Tail__Overlay__CurrentStackLocation~3;~Irp__Tail__Overlay__CurrentStackLocation~3 := ~bvadd32(1bv32, #t~post148);havoc #t~post148; {51968#true} is VALID [2018-11-18 21:31:54,829 INFO L256 TraceCheckUtils]: 24: Hoare triple {51968#true} call #t~ret149 := PoCallDriver(~deviceExtension__TargetDeviceObject~4, ~Irp); {51968#true} is VALID [2018-11-18 21:31:54,829 INFO L273 TraceCheckUtils]: 25: Hoare triple {51968#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;havoc ~compRetStatus~1;havoc ~returnVal~0;~lcontext~1 := #t~nondet170;havoc #t~nondet170;havoc ~__cil_tmp7~0;havoc ~__cil_tmp8~2; {51968#true} is VALID [2018-11-18 21:31:54,830 INFO L273 TraceCheckUtils]: 26: Hoare triple {51968#true} assume !(0bv32 != ~compRegistered~0); {51968#true} is VALID [2018-11-18 21:31:54,830 INFO L273 TraceCheckUtils]: 27: Hoare triple {51968#true} havoc ~tmp_ndt_8~0;~tmp_ndt_8~0 := #t~nondet173;havoc #t~nondet173; {51968#true} is VALID [2018-11-18 21:31:54,830 INFO L273 TraceCheckUtils]: 28: Hoare triple {51968#true} assume 0bv32 == ~tmp_ndt_8~0; {51968#true} is VALID [2018-11-18 21:31:54,830 INFO L273 TraceCheckUtils]: 29: Hoare triple {51968#true} ~returnVal~0 := 0bv32; {51968#true} is VALID [2018-11-18 21:31:54,830 INFO L273 TraceCheckUtils]: 30: Hoare triple {51968#true} assume !(~s~0 == ~NP~0); {51968#true} is VALID [2018-11-18 21:31:54,830 INFO L273 TraceCheckUtils]: 31: Hoare triple {51968#true} assume !(~s~0 == ~MPR1~0); {51968#true} is VALID [2018-11-18 21:31:54,831 INFO L273 TraceCheckUtils]: 32: Hoare triple {51968#true} assume ~s~0 == ~SKIP1~0;~s~0 := ~SKIP2~0;~lowerDriverReturn~0 := ~returnVal~0; {52069#(= ~SKIP2~0 ~s~0)} is VALID [2018-11-18 21:31:54,831 INFO L273 TraceCheckUtils]: 33: Hoare triple {52069#(= ~SKIP2~0 ~s~0)} #res := ~returnVal~0; {52069#(= ~SKIP2~0 ~s~0)} is VALID [2018-11-18 21:31:54,836 INFO L273 TraceCheckUtils]: 34: Hoare triple {52069#(= ~SKIP2~0 ~s~0)} assume true; {52069#(= ~SKIP2~0 ~s~0)} is VALID [2018-11-18 21:31:54,836 INFO L268 TraceCheckUtils]: 35: Hoare quadruple {52069#(= ~SKIP2~0 ~s~0)} {51968#true} #1409#return; {52069#(= ~SKIP2~0 ~s~0)} is VALID [2018-11-18 21:31:54,837 INFO L273 TraceCheckUtils]: 36: Hoare triple {52069#(= ~SKIP2~0 ~s~0)} ~tmp~7 := #t~ret149;havoc #t~ret149;#res := ~tmp~7; {52069#(= ~SKIP2~0 ~s~0)} is VALID [2018-11-18 21:31:54,837 INFO L273 TraceCheckUtils]: 37: Hoare triple {52069#(= ~SKIP2~0 ~s~0)} assume true; {52069#(= ~SKIP2~0 ~s~0)} is VALID [2018-11-18 21:31:54,838 INFO L268 TraceCheckUtils]: 38: Hoare quadruple {52069#(= ~SKIP2~0 ~s~0)} {51968#true} #1373#return; {52069#(= ~SKIP2~0 ~s~0)} is VALID [2018-11-18 21:31:54,838 INFO L273 TraceCheckUtils]: 39: Hoare triple {52069#(= ~SKIP2~0 ~s~0)} ~status~9 := #t~ret161;havoc #t~ret161; {52069#(= ~SKIP2~0 ~s~0)} is VALID [2018-11-18 21:31:54,838 INFO L273 TraceCheckUtils]: 40: Hoare triple {52069#(= ~SKIP2~0 ~s~0)} assume !(0bv32 != ~we_should_unload~0); {52069#(= ~SKIP2~0 ~s~0)} is VALID [2018-11-18 21:31:54,839 INFO L273 TraceCheckUtils]: 41: Hoare triple {52069#(= ~SKIP2~0 ~s~0)} assume !(1bv32 == ~pended~0); {52069#(= ~SKIP2~0 ~s~0)} is VALID [2018-11-18 21:31:54,839 INFO L273 TraceCheckUtils]: 42: Hoare triple {52069#(= ~SKIP2~0 ~s~0)} assume !(1bv32 == ~pended~0); {52069#(= ~SKIP2~0 ~s~0)} is VALID [2018-11-18 21:31:54,839 INFO L273 TraceCheckUtils]: 43: Hoare triple {52069#(= ~SKIP2~0 ~s~0)} assume ~s~0 != ~UNLOADED~0; {52069#(= ~SKIP2~0 ~s~0)} is VALID [2018-11-18 21:31:54,840 INFO L273 TraceCheckUtils]: 44: Hoare triple {52069#(= ~SKIP2~0 ~s~0)} assume 4294967295bv32 != ~status~9; {52069#(= ~SKIP2~0 ~s~0)} is VALID [2018-11-18 21:31:54,840 INFO L273 TraceCheckUtils]: 45: Hoare triple {52069#(= ~SKIP2~0 ~s~0)} assume ~s~0 != ~SKIP2~0; {51969#false} is VALID [2018-11-18 21:31:54,841 INFO L273 TraceCheckUtils]: 46: Hoare triple {51969#false} assume ~s~0 != ~IPC~0; {51969#false} is VALID [2018-11-18 21:31:54,841 INFO L273 TraceCheckUtils]: 47: Hoare triple {51969#false} assume ~s~0 != ~DC~0; {51969#false} is VALID [2018-11-18 21:31:54,841 INFO L256 TraceCheckUtils]: 48: Hoare triple {51969#false} call errorFn(); {51969#false} is VALID [2018-11-18 21:31:54,841 INFO L273 TraceCheckUtils]: 49: Hoare triple {51969#false} assume !false; {51969#false} is VALID [2018-11-18 21:31:54,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 21:31:54,844 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 21:31:54,846 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 21:31:54,846 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 21:31:54,846 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 50 [2018-11-18 21:31:54,846 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-18 21:31:54,846 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2018-11-18 21:31:54,908 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 50 edges. 50 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 21:31:54,908 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 21:31:54,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 21:31:54,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 21:31:54,909 INFO L87 Difference]: Start difference. First operand 832 states and 1149 transitions. Second operand 3 states. [2018-11-18 21:32:00,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 21:32:00,108 INFO L93 Difference]: Finished difference Result 1022 states and 1400 transitions. [2018-11-18 21:32:00,108 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 21:32:00,109 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 50 [2018-11-18 21:32:00,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 21:32:00,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-18 21:32:00,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 889 transitions. [2018-11-18 21:32:00,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-18 21:32:00,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 889 transitions. [2018-11-18 21:32:00,122 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 889 transitions. [2018-11-18 21:32:01,108 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 889 edges. 889 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 21:32:01,158 INFO L225 Difference]: With dead ends: 1022 [2018-11-18 21:32:01,158 INFO L226 Difference]: Without dead ends: 1011 [2018-11-18 21:32:01,159 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 21:32:01,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1011 states. [2018-11-18 21:32:03,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1011 to 906. [2018-11-18 21:32:03,254 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-18 21:32:03,254 INFO L82 GeneralOperation]: Start isEquivalent. First operand 1011 states. Second operand 906 states. [2018-11-18 21:32:03,255 INFO L74 IsIncluded]: Start isIncluded. First operand 1011 states. Second operand 906 states. [2018-11-18 21:32:03,255 INFO L87 Difference]: Start difference. First operand 1011 states. Second operand 906 states. [2018-11-18 21:32:03,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 21:32:03,295 INFO L93 Difference]: Finished difference Result 1011 states and 1386 transitions. [2018-11-18 21:32:03,295 INFO L276 IsEmpty]: Start isEmpty. Operand 1011 states and 1386 transitions. [2018-11-18 21:32:03,297 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 21:32:03,297 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 21:32:03,297 INFO L74 IsIncluded]: Start isIncluded. First operand 906 states. Second operand 1011 states. [2018-11-18 21:32:03,297 INFO L87 Difference]: Start difference. First operand 906 states. Second operand 1011 states. [2018-11-18 21:32:03,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 21:32:03,335 INFO L93 Difference]: Finished difference Result 1011 states and 1386 transitions. [2018-11-18 21:32:03,335 INFO L276 IsEmpty]: Start isEmpty. Operand 1011 states and 1386 transitions. [2018-11-18 21:32:03,337 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 21:32:03,337 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 21:32:03,337 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-18 21:32:03,337 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-18 21:32:03,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 906 states. [2018-11-18 21:32:03,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 906 states and 1234 transitions. [2018-11-18 21:32:03,395 INFO L78 Accepts]: Start accepts. Automaton has 906 states and 1234 transitions. Word has length 50 [2018-11-18 21:32:03,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 21:32:03,396 INFO L480 AbstractCegarLoop]: Abstraction has 906 states and 1234 transitions. [2018-11-18 21:32:03,396 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 21:32:03,396 INFO L276 IsEmpty]: Start isEmpty. Operand 906 states and 1234 transitions. [2018-11-18 21:32:03,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-18 21:32:03,398 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 21:32:03,398 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 21:32:03,398 INFO L423 AbstractCegarLoop]: === Iteration 14 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 21:32:03,398 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 21:32:03,399 INFO L82 PathProgramCache]: Analyzing trace with hash -1898348706, now seen corresponding path program 1 times [2018-11-18 21:32:03,399 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 21:32:03,399 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 15 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 15 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 21:32:03,425 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 21:32:03,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 21:32:03,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 21:32:03,538 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 21:32:03,702 INFO L256 TraceCheckUtils]: 0: Hoare triple {56644#true} call ULTIMATE.init(); {56644#true} is VALID [2018-11-18 21:32:03,702 INFO L273 TraceCheckUtils]: 1: Hoare triple {56644#true} ~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;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32;~routine~0 := 0bv32;~myStatus~0 := 0bv32;~pirp~0 := 0bv32;~Executive~0 := 0bv32;~Suspended~0 := 0bv32;~KernelMode~0 := 0bv32;~DeviceUsageTypePaging~0 := 0bv32; {56644#true} is VALID [2018-11-18 21:32:03,702 INFO L273 TraceCheckUtils]: 2: Hoare triple {56644#true} assume true; {56644#true} is VALID [2018-11-18 21:32:03,703 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {56644#true} {56644#true} #1497#return; {56644#true} is VALID [2018-11-18 21:32:03,703 INFO L256 TraceCheckUtils]: 4: Hoare triple {56644#true} call #t~ret176 := main(); {56644#true} is VALID [2018-11-18 21:32:03,703 INFO L273 TraceCheckUtils]: 5: Hoare triple {56644#true} havoc ~pirp__IoStatus__Status~0;~d~0 := #t~nondet150;havoc #t~nondet150;~status~9 := #t~nondet151;havoc #t~nondet151;~irp~1 := #t~nondet152;havoc #t~nondet152;~we_should_unload~0 := #t~nondet153;havoc #t~nondet153;~irp_choice~0 := #t~nondet154;havoc #t~nondet154;~devobj~0 := #t~nondet155;havoc #t~nondet155;havoc ~__cil_tmp9~1;~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;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32;~routine~0 := 0bv32;~myStatus~0 := 0bv32;~pirp~0 := 0bv32;~Executive~0 := 0bv32;~Suspended~0 := 5bv32;~KernelMode~0 := 0bv32;~DeviceUsageTypePaging~0 := 1bv32;~pirp~0 := ~irp~1; {56644#true} is VALID [2018-11-18 21:32:03,703 INFO L256 TraceCheckUtils]: 6: Hoare triple {56644#true} call _BLAST_init(); {56644#true} is VALID [2018-11-18 21:32:03,704 INFO L273 TraceCheckUtils]: 7: Hoare triple {56644#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 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32; {56670#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)))} is VALID [2018-11-18 21:32:03,704 INFO L273 TraceCheckUtils]: 8: Hoare triple {56670#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)))} assume true; {56670#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)))} is VALID [2018-11-18 21:32:03,705 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {56670#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)))} {56644#true} #1365#return; {56670#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)))} is VALID [2018-11-18 21:32:03,705 INFO L273 TraceCheckUtils]: 10: Hoare triple {56670#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)))} assume ~bvsge32(~status~9, 0bv32);~s~0 := ~NP~0;~customIrp~0 := 0bv32;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0;~pirp__IoStatus__Status~0 := 0bv32;~myStatus~0 := 0bv32; {56670#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)))} is VALID [2018-11-18 21:32:03,706 INFO L273 TraceCheckUtils]: 11: Hoare triple {56670#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)))} assume 0bv32 == ~irp_choice~0;~pirp__IoStatus__Status~0 := 3221225659bv32;~myStatus~0 := 3221225659bv32; {56670#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)))} is VALID [2018-11-18 21:32:03,706 INFO L256 TraceCheckUtils]: 12: Hoare triple {56670#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)))} call stub_driver_init(); {56670#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)))} is VALID [2018-11-18 21:32:03,706 INFO L273 TraceCheckUtils]: 13: Hoare triple {56670#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)))} ~s~0 := ~NP~0;~customIrp~0 := 0bv32;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0; {56670#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)))} is VALID [2018-11-18 21:32:03,707 INFO L273 TraceCheckUtils]: 14: Hoare triple {56670#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)))} assume true; {56670#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)))} is VALID [2018-11-18 21:32:03,708 INFO L268 TraceCheckUtils]: 15: Hoare quadruple {56670#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)))} {56670#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)))} #1367#return; {56670#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)))} is VALID [2018-11-18 21:32:03,708 INFO L273 TraceCheckUtils]: 16: Hoare triple {56670#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)))} assume !~bvslt32(~status~9, 0bv32);havoc ~tmp_ndt_1~0;~tmp_ndt_1~0 := #t~nondet156;havoc #t~nondet156; {56670#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)))} is VALID [2018-11-18 21:32:03,709 INFO L273 TraceCheckUtils]: 17: Hoare triple {56670#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)))} assume !(2bv32 == ~tmp_ndt_1~0);havoc ~tmp_ndt_2~0;~tmp_ndt_2~0 := #t~nondet157;havoc #t~nondet157; {56670#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)))} is VALID [2018-11-18 21:32:03,726 INFO L273 TraceCheckUtils]: 18: Hoare triple {56670#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)))} assume !(3bv32 == ~tmp_ndt_2~0);havoc ~tmp_ndt_3~0;~tmp_ndt_3~0 := #t~nondet158;havoc #t~nondet158; {56670#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)))} is VALID [2018-11-18 21:32:03,727 INFO L273 TraceCheckUtils]: 19: Hoare triple {56670#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)))} assume 4bv32 == ~tmp_ndt_3~0; {56670#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)))} is VALID [2018-11-18 21:32:03,727 INFO L256 TraceCheckUtils]: 20: Hoare triple {56670#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)))} call #t~ret161 := CdAudioPower(~devobj~0, ~pirp~0); {56670#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)))} is VALID [2018-11-18 21:32:03,728 INFO L273 TraceCheckUtils]: 21: Hoare triple {56670#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)))} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;~Irp__CurrentLocation~1 := #t~nondet144;havoc #t~nondet144;~Irp__Tail__Overlay__CurrentStackLocation~3 := #t~nondet145;havoc #t~nondet145;~deviceExtension__TargetDeviceObject~4 := #t~nondet146;havoc #t~nondet146;havoc ~tmp~7; {56670#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)))} is VALID [2018-11-18 21:32:03,728 INFO L273 TraceCheckUtils]: 22: Hoare triple {56670#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)))} assume ~s~0 == ~NP~0;~s~0 := ~SKIP1~0; {56716#(and (= ~SKIP1~0 ~s~0) (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)))} is VALID [2018-11-18 21:32:03,729 INFO L273 TraceCheckUtils]: 23: Hoare triple {56716#(and (= ~SKIP1~0 ~s~0) (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)))} #t~post147 := ~Irp__CurrentLocation~1;~Irp__CurrentLocation~1 := ~bvadd32(1bv32, #t~post147);havoc #t~post147;#t~post148 := ~Irp__Tail__Overlay__CurrentStackLocation~3;~Irp__Tail__Overlay__CurrentStackLocation~3 := ~bvadd32(1bv32, #t~post148);havoc #t~post148; {56716#(and (= ~SKIP1~0 ~s~0) (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)))} is VALID [2018-11-18 21:32:03,730 INFO L256 TraceCheckUtils]: 24: Hoare triple {56716#(and (= ~SKIP1~0 ~s~0) (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)))} call #t~ret149 := PoCallDriver(~deviceExtension__TargetDeviceObject~4, ~Irp); {56723#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)) (= |old(~s~0)| ~s~0))} is VALID [2018-11-18 21:32:03,731 INFO L273 TraceCheckUtils]: 25: Hoare triple {56723#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)) (= |old(~s~0)| ~s~0))} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;havoc ~compRetStatus~1;havoc ~returnVal~0;~lcontext~1 := #t~nondet170;havoc #t~nondet170;havoc ~__cil_tmp7~0;havoc ~__cil_tmp8~2; {56723#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)) (= |old(~s~0)| ~s~0))} is VALID [2018-11-18 21:32:03,731 INFO L273 TraceCheckUtils]: 26: Hoare triple {56723#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)) (= |old(~s~0)| ~s~0))} assume !(0bv32 != ~compRegistered~0); {56723#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)) (= |old(~s~0)| ~s~0))} is VALID [2018-11-18 21:32:03,732 INFO L273 TraceCheckUtils]: 27: Hoare triple {56723#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)) (= |old(~s~0)| ~s~0))} havoc ~tmp_ndt_8~0;~tmp_ndt_8~0 := #t~nondet173;havoc #t~nondet173; {56723#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)) (= |old(~s~0)| ~s~0))} is VALID [2018-11-18 21:32:03,733 INFO L273 TraceCheckUtils]: 28: Hoare triple {56723#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)) (= |old(~s~0)| ~s~0))} assume 0bv32 == ~tmp_ndt_8~0; {56723#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)) (= |old(~s~0)| ~s~0))} is VALID [2018-11-18 21:32:03,734 INFO L273 TraceCheckUtils]: 29: Hoare triple {56723#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)) (= |old(~s~0)| ~s~0))} ~returnVal~0 := 0bv32; {56723#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)) (= |old(~s~0)| ~s~0))} is VALID [2018-11-18 21:32:03,734 INFO L273 TraceCheckUtils]: 30: Hoare triple {56723#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)) (= |old(~s~0)| ~s~0))} assume !(~s~0 == ~NP~0); {56723#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)) (= |old(~s~0)| ~s~0))} is VALID [2018-11-18 21:32:03,735 INFO L273 TraceCheckUtils]: 31: Hoare triple {56723#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)) (= |old(~s~0)| ~s~0))} assume ~s~0 == ~MPR1~0;~__cil_tmp8~2 := ~returnVal~0; {56745#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= ~MPR1~0 |old(~s~0)|) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)))} is VALID [2018-11-18 21:32:03,736 INFO L273 TraceCheckUtils]: 32: Hoare triple {56745#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= ~MPR1~0 |old(~s~0)|) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)))} assume !(259bv32 == ~__cil_tmp8~2);~s~0 := ~NP~0;~lowerDriverReturn~0 := ~returnVal~0; {56745#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= ~MPR1~0 |old(~s~0)|) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)))} is VALID [2018-11-18 21:32:03,737 INFO L273 TraceCheckUtils]: 33: Hoare triple {56745#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= ~MPR1~0 |old(~s~0)|) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)))} #res := ~returnVal~0; {56745#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= ~MPR1~0 |old(~s~0)|) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)))} is VALID [2018-11-18 21:32:03,738 INFO L273 TraceCheckUtils]: 34: Hoare triple {56745#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= ~MPR1~0 |old(~s~0)|) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)))} assume true; {56745#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= ~MPR1~0 |old(~s~0)|) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)))} is VALID [2018-11-18 21:32:03,739 INFO L268 TraceCheckUtils]: 35: Hoare quadruple {56745#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= ~MPR1~0 |old(~s~0)|) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)))} {56716#(and (= ~SKIP1~0 ~s~0) (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)))} #1409#return; {56645#false} is VALID [2018-11-18 21:32:03,739 INFO L273 TraceCheckUtils]: 36: Hoare triple {56645#false} ~tmp~7 := #t~ret149;havoc #t~ret149;#res := ~tmp~7; {56645#false} is VALID [2018-11-18 21:32:03,739 INFO L273 TraceCheckUtils]: 37: Hoare triple {56645#false} assume true; {56645#false} is VALID [2018-11-18 21:32:03,740 INFO L268 TraceCheckUtils]: 38: Hoare quadruple {56645#false} {56670#(and (= (bvadd ~SKIP1~0 (_ bv4294967293 32)) (_ bv0 32)) (= (bvadd ~MPR1~0 (_ bv4294967291 32)) (_ bv0 32)))} #1373#return; {56645#false} is VALID [2018-11-18 21:32:03,740 INFO L273 TraceCheckUtils]: 39: Hoare triple {56645#false} ~status~9 := #t~ret161;havoc #t~ret161; {56645#false} is VALID [2018-11-18 21:32:03,740 INFO L273 TraceCheckUtils]: 40: Hoare triple {56645#false} assume !(0bv32 != ~we_should_unload~0); {56645#false} is VALID [2018-11-18 21:32:03,740 INFO L273 TraceCheckUtils]: 41: Hoare triple {56645#false} assume !(1bv32 == ~pended~0); {56645#false} is VALID [2018-11-18 21:32:03,740 INFO L273 TraceCheckUtils]: 42: Hoare triple {56645#false} assume !(1bv32 == ~pended~0); {56645#false} is VALID [2018-11-18 21:32:03,741 INFO L273 TraceCheckUtils]: 43: Hoare triple {56645#false} assume ~s~0 != ~UNLOADED~0; {56645#false} is VALID [2018-11-18 21:32:03,741 INFO L273 TraceCheckUtils]: 44: Hoare triple {56645#false} assume 4294967295bv32 != ~status~9; {56645#false} is VALID [2018-11-18 21:32:03,741 INFO L273 TraceCheckUtils]: 45: Hoare triple {56645#false} assume ~s~0 != ~SKIP2~0; {56645#false} is VALID [2018-11-18 21:32:03,741 INFO L273 TraceCheckUtils]: 46: Hoare triple {56645#false} assume ~s~0 != ~IPC~0; {56645#false} is VALID [2018-11-18 21:32:03,741 INFO L273 TraceCheckUtils]: 47: Hoare triple {56645#false} assume ~s~0 != ~DC~0; {56645#false} is VALID [2018-11-18 21:32:03,742 INFO L256 TraceCheckUtils]: 48: Hoare triple {56645#false} call errorFn(); {56645#false} is VALID [2018-11-18 21:32:03,742 INFO L273 TraceCheckUtils]: 49: Hoare triple {56645#false} assume !false; {56645#false} is VALID [2018-11-18 21:32:03,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 21:32:03,747 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 21:32:03,749 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 21:32:03,749 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 21:32:03,749 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 50 [2018-11-18 21:32:03,750 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-18 21:32:03,750 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2018-11-18 21:32:03,819 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 50 edges. 50 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 21:32:03,820 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 21:32:03,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 21:32:03,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 21:32:03,821 INFO L87 Difference]: Start difference. First operand 906 states and 1234 transitions. Second operand 6 states. [2018-11-18 21:32:14,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 21:32:14,025 INFO L93 Difference]: Finished difference Result 1066 states and 1493 transitions. [2018-11-18 21:32:14,025 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 21:32:14,025 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 50 [2018-11-18 21:32:14,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 21:32:14,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-11-18 21:32:14,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1022 transitions. [2018-11-18 21:32:14,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-11-18 21:32:14,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1022 transitions. [2018-11-18 21:32:14,043 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 1022 transitions. [2018-11-18 21:32:15,732 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 1022 edges. 1022 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 21:32:15,789 INFO L225 Difference]: With dead ends: 1066 [2018-11-18 21:32:15,789 INFO L226 Difference]: Without dead ends: 1003 [2018-11-18 21:32:15,790 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 44 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-18 21:32:15,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1003 states. [2018-11-18 21:32:18,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1003 to 883. [2018-11-18 21:32:18,479 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-18 21:32:18,479 INFO L82 GeneralOperation]: Start isEquivalent. First operand 1003 states. Second operand 883 states. [2018-11-18 21:32:18,480 INFO L74 IsIncluded]: Start isIncluded. First operand 1003 states. Second operand 883 states. [2018-11-18 21:32:18,480 INFO L87 Difference]: Start difference. First operand 1003 states. Second operand 883 states. [2018-11-18 21:32:18,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 21:32:18,527 INFO L93 Difference]: Finished difference Result 1003 states and 1413 transitions. [2018-11-18 21:32:18,527 INFO L276 IsEmpty]: Start isEmpty. Operand 1003 states and 1413 transitions. [2018-11-18 21:32:18,529 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 21:32:18,529 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 21:32:18,529 INFO L74 IsIncluded]: Start isIncluded. First operand 883 states. Second operand 1003 states. [2018-11-18 21:32:18,529 INFO L87 Difference]: Start difference. First operand 883 states. Second operand 1003 states. [2018-11-18 21:32:18,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 21:32:18,573 INFO L93 Difference]: Finished difference Result 1003 states and 1413 transitions. [2018-11-18 21:32:18,573 INFO L276 IsEmpty]: Start isEmpty. Operand 1003 states and 1413 transitions. [2018-11-18 21:32:18,575 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 21:32:18,575 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 21:32:18,575 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-18 21:32:18,575 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-18 21:32:18,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 883 states. [2018-11-18 21:32:18,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 883 states to 883 states and 1200 transitions. [2018-11-18 21:32:18,612 INFO L78 Accepts]: Start accepts. Automaton has 883 states and 1200 transitions. Word has length 50 [2018-11-18 21:32:18,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 21:32:18,612 INFO L480 AbstractCegarLoop]: Abstraction has 883 states and 1200 transitions. [2018-11-18 21:32:18,612 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 21:32:18,613 INFO L276 IsEmpty]: Start isEmpty. Operand 883 states and 1200 transitions. [2018-11-18 21:32:18,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 21:32:18,614 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 21:32:18,615 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 21:32:18,615 INFO L423 AbstractCegarLoop]: === Iteration 15 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 21:32:18,615 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 21:32:18,615 INFO L82 PathProgramCache]: Analyzing trace with hash -212723345, now seen corresponding path program 1 times [2018-11-18 21:32:18,615 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 21:32:18,616 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 16 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 16 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 21:32:18,633 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 21:32:18,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 21:32:18,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 21:32:18,778 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 21:32:18,841 INFO L256 TraceCheckUtils]: 0: Hoare triple {61330#true} call ULTIMATE.init(); {61330#true} is VALID [2018-11-18 21:32:18,842 INFO L273 TraceCheckUtils]: 1: Hoare triple {61330#true} ~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;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32;~routine~0 := 0bv32;~myStatus~0 := 0bv32;~pirp~0 := 0bv32;~Executive~0 := 0bv32;~Suspended~0 := 0bv32;~KernelMode~0 := 0bv32;~DeviceUsageTypePaging~0 := 0bv32; {61330#true} is VALID [2018-11-18 21:32:18,842 INFO L273 TraceCheckUtils]: 2: Hoare triple {61330#true} assume true; {61330#true} is VALID [2018-11-18 21:32:18,842 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {61330#true} {61330#true} #1497#return; {61330#true} is VALID [2018-11-18 21:32:18,843 INFO L256 TraceCheckUtils]: 4: Hoare triple {61330#true} call #t~ret176 := main(); {61330#true} is VALID [2018-11-18 21:32:18,843 INFO L273 TraceCheckUtils]: 5: Hoare triple {61330#true} havoc ~pirp__IoStatus__Status~0;~d~0 := #t~nondet150;havoc #t~nondet150;~status~9 := #t~nondet151;havoc #t~nondet151;~irp~1 := #t~nondet152;havoc #t~nondet152;~we_should_unload~0 := #t~nondet153;havoc #t~nondet153;~irp_choice~0 := #t~nondet154;havoc #t~nondet154;~devobj~0 := #t~nondet155;havoc #t~nondet155;havoc ~__cil_tmp9~1;~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;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32;~routine~0 := 0bv32;~myStatus~0 := 0bv32;~pirp~0 := 0bv32;~Executive~0 := 0bv32;~Suspended~0 := 5bv32;~KernelMode~0 := 0bv32;~DeviceUsageTypePaging~0 := 1bv32;~pirp~0 := ~irp~1; {61330#true} is VALID [2018-11-18 21:32:18,843 INFO L256 TraceCheckUtils]: 6: Hoare triple {61330#true} call _BLAST_init(); {61330#true} is VALID [2018-11-18 21:32:18,843 INFO L273 TraceCheckUtils]: 7: Hoare triple {61330#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 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32; {61330#true} is VALID [2018-11-18 21:32:18,843 INFO L273 TraceCheckUtils]: 8: Hoare triple {61330#true} assume true; {61330#true} is VALID [2018-11-18 21:32:18,844 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {61330#true} {61330#true} #1365#return; {61330#true} is VALID [2018-11-18 21:32:18,844 INFO L273 TraceCheckUtils]: 10: Hoare triple {61330#true} assume ~bvsge32(~status~9, 0bv32);~s~0 := ~NP~0;~customIrp~0 := 0bv32;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0;~pirp__IoStatus__Status~0 := 0bv32;~myStatus~0 := 0bv32; {61330#true} is VALID [2018-11-18 21:32:18,844 INFO L273 TraceCheckUtils]: 11: Hoare triple {61330#true} assume 0bv32 == ~irp_choice~0;~pirp__IoStatus__Status~0 := 3221225659bv32;~myStatus~0 := 3221225659bv32; {61330#true} is VALID [2018-11-18 21:32:18,844 INFO L256 TraceCheckUtils]: 12: Hoare triple {61330#true} call stub_driver_init(); {61330#true} is VALID [2018-11-18 21:32:18,844 INFO L273 TraceCheckUtils]: 13: Hoare triple {61330#true} ~s~0 := ~NP~0;~customIrp~0 := 0bv32;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0; {61330#true} is VALID [2018-11-18 21:32:18,844 INFO L273 TraceCheckUtils]: 14: Hoare triple {61330#true} assume true; {61330#true} is VALID [2018-11-18 21:32:18,844 INFO L268 TraceCheckUtils]: 15: Hoare quadruple {61330#true} {61330#true} #1367#return; {61330#true} is VALID [2018-11-18 21:32:18,844 INFO L273 TraceCheckUtils]: 16: Hoare triple {61330#true} assume !~bvslt32(~status~9, 0bv32);havoc ~tmp_ndt_1~0;~tmp_ndt_1~0 := #t~nondet156;havoc #t~nondet156; {61330#true} is VALID [2018-11-18 21:32:18,845 INFO L273 TraceCheckUtils]: 17: Hoare triple {61330#true} assume 2bv32 == ~tmp_ndt_1~0; {61330#true} is VALID [2018-11-18 21:32:18,845 INFO L256 TraceCheckUtils]: 18: Hoare triple {61330#true} call #t~ret159 := CdAudioDeviceControl(~devobj~0, ~pirp~0); {61330#true} is VALID [2018-11-18 21:32:18,845 INFO L273 TraceCheckUtils]: 19: Hoare triple {61330#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;~deviceExtension__Active~1 := #t~nondet26;havoc #t~nondet26;havoc ~status~3; {61330#true} is VALID [2018-11-18 21:32:18,845 INFO L273 TraceCheckUtils]: 20: Hoare triple {61330#true} assume !(2bv32 == ~deviceExtension__Active~1); {61330#true} is VALID [2018-11-18 21:32:18,845 INFO L273 TraceCheckUtils]: 21: Hoare triple {61330#true} assume 3bv32 == ~deviceExtension__Active~1; {61330#true} is VALID [2018-11-18 21:32:18,845 INFO L256 TraceCheckUtils]: 22: Hoare triple {61330#true} call #t~ret28 := CdAudio435DeviceControl(~DeviceObject, ~Irp); {61330#true} is VALID [2018-11-18 21:32:18,845 INFO L273 TraceCheckUtils]: 23: Hoare triple {61330#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;~currentIrpStack__Parameters__DeviceIoControl__IoControlCode~1 := #t~nondet94;havoc #t~nondet94;~currentIrpStack__Parameters__DeviceIoControl__OutputBufferLength~1 := #t~nondet95;havoc #t~nondet95;~currentIrpStack__Parameters__DeviceIoControl__InputBufferLength~1 := #t~nondet96;havoc #t~nondet96;~TrackData__0~0 := #t~nondet97;havoc #t~nondet97;havoc ~Irp__IoStatus__Information~1;havoc ~srb__TimeOutValue~1;havoc ~srb__CdbLength~1;~sizeof__CDROM_TOC~1 := #t~nondet98;havoc #t~nondet98;~cdaudioDataOut__LastTrack~1 := #t~nondet99;havoc #t~nondet99;~cdaudioDataOut__FirstTrack~1 := #t~nondet100;havoc #t~nondet100;~sizeof__CDROM_PLAY_AUDIO_MSF~1 := #t~nondet101;havoc #t~nondet101;~sizeof__CDROM_SEEK_AUDIO_MSF~1 := #t~nondet102;havoc #t~nondet102;~deviceExtension__Paused~0 := #t~nondet103;havoc #t~nondet103;havoc ~deviceExtension__PlayActive~1;~sizeof__SUB_Q_CHANNEL_DATA~0 := #t~nondet104;havoc #t~nondet104;~sizeof__SUB_Q_CURRENT_POSITION~1 := #t~nondet105;havoc #t~nondet105;~deviceExtension~2 := #t~nondet106;havoc #t~nondet106;~srb~2 := #t~nondet107;havoc #t~nondet107;havoc ~status~6;~i~1 := #t~nondet108;havoc #t~nondet108;havoc ~bytesTransfered~1;~Toc~1 := #t~nondet109;havoc #t~nondet109;havoc ~tmp~4;havoc ~tracksToReturn~1;havoc ~tracksOnCd~1;havoc ~tracksInBuffer~1;~SubQPtr~1 := #t~nondet110;havoc #t~nondet110;~userPtr__Format~1 := #t~nondet111;havoc #t~nondet111;~SubQPtr___0~0 := #t~nondet112;havoc #t~nondet112;havoc ~tmp___0~2;havoc ~tmp___1~1;havoc ~tmp___2~1;havoc ~__cil_tmp35~0;havoc ~__cil_tmp36~0;havoc ~__cil_tmp37~0;havoc ~__cil_tmp38~0;havoc ~__cil_tmp39~0;havoc ~__cil_tmp40~0;havoc ~__cil_tmp41~0;havoc ~__cil_tmp42~0;havoc ~__cil_tmp43~0;havoc ~__cil_tmp44~0;havoc ~__cil_tmp45~0;havoc ~__cil_tmp46~0;havoc ~__cil_tmp47~0;havoc ~__cil_tmp48~0;havoc ~__cil_tmp49~0;havoc ~__cil_tmp50~0;havoc ~__cil_tmp51~0;havoc ~__cil_tmp52~0;havoc ~__cil_tmp53~0;havoc ~__cil_tmp54~0;havoc ~__cil_tmp55~0;havoc ~__cil_tmp56~0;havoc ~__cil_tmp57~0;havoc ~__cil_tmp58~1;havoc ~__cil_tmp59~1;havoc ~__cil_tmp60~1;havoc ~__cil_tmp61~1;havoc ~__cil_tmp62~1;havoc ~__cil_tmp63~1;havoc ~__cil_tmp64~1;havoc ~__cil_tmp65~1;havoc ~__cil_tmp66~1;havoc ~__cil_tmp67~1;havoc ~__cil_tmp68~1;havoc ~__cil_tmp69~1;havoc ~__cil_tmp70~1;havoc ~__cil_tmp71~1;havoc ~__cil_tmp72~1;havoc ~__cil_tmp73~1;havoc ~__cil_tmp74~1;havoc ~__cil_tmp75~1;havoc ~__cil_tmp76~1;havoc ~__cil_tmp77~1;havoc ~__cil_tmp78~1;havoc ~__cil_tmp79~1;havoc ~__cil_tmp80~1;havoc ~__cil_tmp81~1;havoc ~__cil_tmp82~1;havoc ~__cil_tmp83~1;havoc ~__cil_tmp84~1;havoc ~__cil_tmp85~1;havoc ~__cil_tmp86~1;havoc ~__cil_tmp87~1;havoc ~__cil_tmp88~1;havoc ~__cil_tmp89~1;havoc ~__cil_tmp90~1;havoc ~__cil_tmp91~1;havoc ~__cil_tmp92~1;havoc ~__cil_tmp93~1;havoc ~__cil_tmp94~1;havoc ~__cil_tmp95~1;havoc ~__cil_tmp96~1;havoc ~__cil_tmp97~1;havoc ~__cil_tmp98~1;havoc ~__cil_tmp99~1;havoc ~__cil_tmp100~1;havoc ~__cil_tmp101~1;havoc ~__cil_tmp102~1;havoc ~__cil_tmp103~1;havoc ~__cil_tmp104~1;havoc ~__cil_tmp105~1;havoc ~__cil_tmp106~1;havoc ~__cil_tmp107~1;havoc ~__cil_tmp108~1;havoc ~__cil_tmp109~1;havoc ~__cil_tmp110~1;havoc ~__cil_tmp111~0;havoc ~__cil_tmp112~0;havoc ~__cil_tmp113~0;havoc ~__cil_tmp114~0;havoc ~__cil_tmp115~0;havoc ~__cil_tmp116~0;~__cil_tmp35~0 := 16384bv32;~__cil_tmp36~0 := 131072bv32;~__cil_tmp37~0 := 147456bv32; {61330#true} is VALID [2018-11-18 21:32:18,846 INFO L273 TraceCheckUtils]: 24: Hoare triple {61330#true} assume ~currentIrpStack__Parameters__DeviceIoControl__IoControlCode~1 == ~__cil_tmp37~0; {61330#true} is VALID [2018-11-18 21:32:18,846 INFO L273 TraceCheckUtils]: 25: Hoare triple {61330#true} assume ~bvslt32(~currentIrpStack__Parameters__DeviceIoControl__OutputBufferLength~1, ~TrackData__0~0);~status~6 := 3221225507bv32;~Irp__IoStatus__Information~1 := 0bv32; {61330#true} is VALID [2018-11-18 21:32:18,846 INFO L273 TraceCheckUtils]: 26: Hoare triple {61330#true} ~__cil_tmp116~0 := ~status~6; {61330#true} is VALID [2018-11-18 21:32:18,847 INFO L273 TraceCheckUtils]: 27: Hoare triple {61330#true} assume 2147483670bv32 == ~__cil_tmp116~0;~Irp__IoStatus__Information~1 := 0bv32; {61330#true} is VALID [2018-11-18 21:32:18,847 INFO L273 TraceCheckUtils]: 28: Hoare triple {61330#true} ~myStatus~0 := ~status~6; {61330#true} is VALID [2018-11-18 21:32:18,847 INFO L256 TraceCheckUtils]: 29: Hoare triple {61330#true} call IofCompleteRequest(~Irp, 0bv32); {61330#true} is VALID [2018-11-18 21:32:18,847 INFO L273 TraceCheckUtils]: 30: Hoare triple {61330#true} ~Irp := #in~Irp;~PriorityBoost := #in~PriorityBoost; {61330#true} is VALID [2018-11-18 21:32:18,858 INFO L273 TraceCheckUtils]: 31: Hoare triple {61330#true} assume ~s~0 == ~NP~0;~s~0 := ~DC~0; {61428#(= ~DC~0 ~s~0)} is VALID [2018-11-18 21:32:18,859 INFO L273 TraceCheckUtils]: 32: Hoare triple {61428#(= ~DC~0 ~s~0)} assume true; {61428#(= ~DC~0 ~s~0)} is VALID [2018-11-18 21:32:18,859 INFO L268 TraceCheckUtils]: 33: Hoare quadruple {61428#(= ~DC~0 ~s~0)} {61330#true} #1549#return; {61428#(= ~DC~0 ~s~0)} is VALID [2018-11-18 21:32:18,860 INFO L273 TraceCheckUtils]: 34: Hoare triple {61428#(= ~DC~0 ~s~0)} #res := ~status~6; {61428#(= ~DC~0 ~s~0)} is VALID [2018-11-18 21:32:18,860 INFO L273 TraceCheckUtils]: 35: Hoare triple {61428#(= ~DC~0 ~s~0)} assume true; {61428#(= ~DC~0 ~s~0)} is VALID [2018-11-18 21:32:18,861 INFO L268 TraceCheckUtils]: 36: Hoare quadruple {61428#(= ~DC~0 ~s~0)} {61330#true} #1489#return; {61428#(= ~DC~0 ~s~0)} is VALID [2018-11-18 21:32:18,861 INFO L273 TraceCheckUtils]: 37: Hoare triple {61428#(= ~DC~0 ~s~0)} ~status~3 := #t~ret28;havoc #t~ret28; {61428#(= ~DC~0 ~s~0)} is VALID [2018-11-18 21:32:18,861 INFO L273 TraceCheckUtils]: 38: Hoare triple {61428#(= ~DC~0 ~s~0)} #res := ~status~3; {61428#(= ~DC~0 ~s~0)} is VALID [2018-11-18 21:32:18,862 INFO L273 TraceCheckUtils]: 39: Hoare triple {61428#(= ~DC~0 ~s~0)} assume true; {61428#(= ~DC~0 ~s~0)} is VALID [2018-11-18 21:32:18,863 INFO L268 TraceCheckUtils]: 40: Hoare quadruple {61428#(= ~DC~0 ~s~0)} {61330#true} #1369#return; {61428#(= ~DC~0 ~s~0)} is VALID [2018-11-18 21:32:18,863 INFO L273 TraceCheckUtils]: 41: Hoare triple {61428#(= ~DC~0 ~s~0)} ~status~9 := #t~ret159;havoc #t~ret159; {61428#(= ~DC~0 ~s~0)} is VALID [2018-11-18 21:32:18,864 INFO L273 TraceCheckUtils]: 42: Hoare triple {61428#(= ~DC~0 ~s~0)} assume !(0bv32 != ~we_should_unload~0); {61428#(= ~DC~0 ~s~0)} is VALID [2018-11-18 21:32:18,864 INFO L273 TraceCheckUtils]: 43: Hoare triple {61428#(= ~DC~0 ~s~0)} assume !(1bv32 == ~pended~0); {61428#(= ~DC~0 ~s~0)} is VALID [2018-11-18 21:32:18,865 INFO L273 TraceCheckUtils]: 44: Hoare triple {61428#(= ~DC~0 ~s~0)} assume !(1bv32 == ~pended~0); {61428#(= ~DC~0 ~s~0)} is VALID [2018-11-18 21:32:18,865 INFO L273 TraceCheckUtils]: 45: Hoare triple {61428#(= ~DC~0 ~s~0)} assume ~s~0 != ~UNLOADED~0; {61428#(= ~DC~0 ~s~0)} is VALID [2018-11-18 21:32:18,866 INFO L273 TraceCheckUtils]: 46: Hoare triple {61428#(= ~DC~0 ~s~0)} assume 4294967295bv32 != ~status~9; {61428#(= ~DC~0 ~s~0)} is VALID [2018-11-18 21:32:18,866 INFO L273 TraceCheckUtils]: 47: Hoare triple {61428#(= ~DC~0 ~s~0)} assume ~s~0 != ~SKIP2~0; {61428#(= ~DC~0 ~s~0)} is VALID [2018-11-18 21:32:18,879 INFO L273 TraceCheckUtils]: 48: Hoare triple {61428#(= ~DC~0 ~s~0)} assume ~s~0 != ~IPC~0; {61428#(= ~DC~0 ~s~0)} is VALID [2018-11-18 21:32:18,880 INFO L273 TraceCheckUtils]: 49: Hoare triple {61428#(= ~DC~0 ~s~0)} assume ~s~0 != ~DC~0; {61331#false} is VALID [2018-11-18 21:32:18,880 INFO L256 TraceCheckUtils]: 50: Hoare triple {61331#false} call errorFn(); {61331#false} is VALID [2018-11-18 21:32:18,880 INFO L273 TraceCheckUtils]: 51: Hoare triple {61331#false} assume !false; {61331#false} is VALID [2018-11-18 21:32:18,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 21:32:18,881 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 21:32:18,883 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 21:32:18,883 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 21:32:18,884 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-18 21:32:18,884 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-18 21:32:18,884 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2018-11-18 21:32:18,946 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 52 edges. 52 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 21:32:18,946 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 21:32:18,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 21:32:18,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 21:32:18,947 INFO L87 Difference]: Start difference. First operand 883 states and 1200 transitions. Second operand 3 states. [2018-11-18 21:32:23,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 21:32:23,021 INFO L93 Difference]: Finished difference Result 908 states and 1228 transitions. [2018-11-18 21:32:23,021 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 21:32:23,021 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-18 21:32:23,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 21:32:23,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-18 21:32:23,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 739 transitions. [2018-11-18 21:32:23,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-18 21:32:23,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 739 transitions. [2018-11-18 21:32:23,032 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 739 transitions. [2018-11-18 21:32:23,803 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 739 edges. 739 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 21:32:23,843 INFO L225 Difference]: With dead ends: 908 [2018-11-18 21:32:23,843 INFO L226 Difference]: Without dead ends: 903 [2018-11-18 21:32:23,843 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 21:32:23,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 903 states. [2018-11-18 21:32:27,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 903 to 901. [2018-11-18 21:32:27,115 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-18 21:32:27,115 INFO L82 GeneralOperation]: Start isEquivalent. First operand 903 states. Second operand 901 states. [2018-11-18 21:32:27,115 INFO L74 IsIncluded]: Start isIncluded. First operand 903 states. Second operand 901 states. [2018-11-18 21:32:27,115 INFO L87 Difference]: Start difference. First operand 903 states. Second operand 901 states. [2018-11-18 21:32:27,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 21:32:27,155 INFO L93 Difference]: Finished difference Result 903 states and 1222 transitions. [2018-11-18 21:32:27,156 INFO L276 IsEmpty]: Start isEmpty. Operand 903 states and 1222 transitions. [2018-11-18 21:32:27,157 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 21:32:27,157 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 21:32:27,158 INFO L74 IsIncluded]: Start isIncluded. First operand 901 states. Second operand 903 states. [2018-11-18 21:32:27,158 INFO L87 Difference]: Start difference. First operand 901 states. Second operand 903 states. [2018-11-18 21:32:27,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 21:32:27,193 INFO L93 Difference]: Finished difference Result 903 states and 1222 transitions. [2018-11-18 21:32:27,193 INFO L276 IsEmpty]: Start isEmpty. Operand 903 states and 1222 transitions. [2018-11-18 21:32:27,194 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 21:32:27,195 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 21:32:27,195 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-18 21:32:27,195 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-18 21:32:27,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 901 states. [2018-11-18 21:32:27,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 901 states to 901 states and 1221 transitions. [2018-11-18 21:32:27,250 INFO L78 Accepts]: Start accepts. Automaton has 901 states and 1221 transitions. Word has length 52 [2018-11-18 21:32:27,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 21:32:27,251 INFO L480 AbstractCegarLoop]: Abstraction has 901 states and 1221 transitions. [2018-11-18 21:32:27,251 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 21:32:27,251 INFO L276 IsEmpty]: Start isEmpty. Operand 901 states and 1221 transitions. [2018-11-18 21:32:27,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-18 21:32:27,252 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 21:32:27,253 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 21:32:27,253 INFO L423 AbstractCegarLoop]: === Iteration 16 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 21:32:27,253 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 21:32:27,253 INFO L82 PathProgramCache]: Analyzing trace with hash -1458849901, now seen corresponding path program 1 times [2018-11-18 21:32:27,253 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 21:32:27,253 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 17 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 17 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 21:32:27,268 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 21:32:27,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 21:32:27,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 21:32:27,392 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 21:32:27,452 INFO L256 TraceCheckUtils]: 0: Hoare triple {65659#true} call ULTIMATE.init(); {65659#true} is VALID [2018-11-18 21:32:27,452 INFO L273 TraceCheckUtils]: 1: Hoare triple {65659#true} ~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;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32;~routine~0 := 0bv32;~myStatus~0 := 0bv32;~pirp~0 := 0bv32;~Executive~0 := 0bv32;~Suspended~0 := 0bv32;~KernelMode~0 := 0bv32;~DeviceUsageTypePaging~0 := 0bv32; {65659#true} is VALID [2018-11-18 21:32:27,452 INFO L273 TraceCheckUtils]: 2: Hoare triple {65659#true} assume true; {65659#true} is VALID [2018-11-18 21:32:27,452 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {65659#true} {65659#true} #1497#return; {65659#true} is VALID [2018-11-18 21:32:27,453 INFO L256 TraceCheckUtils]: 4: Hoare triple {65659#true} call #t~ret176 := main(); {65659#true} is VALID [2018-11-18 21:32:27,453 INFO L273 TraceCheckUtils]: 5: Hoare triple {65659#true} havoc ~pirp__IoStatus__Status~0;~d~0 := #t~nondet150;havoc #t~nondet150;~status~9 := #t~nondet151;havoc #t~nondet151;~irp~1 := #t~nondet152;havoc #t~nondet152;~we_should_unload~0 := #t~nondet153;havoc #t~nondet153;~irp_choice~0 := #t~nondet154;havoc #t~nondet154;~devobj~0 := #t~nondet155;havoc #t~nondet155;havoc ~__cil_tmp9~1;~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;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32;~routine~0 := 0bv32;~myStatus~0 := 0bv32;~pirp~0 := 0bv32;~Executive~0 := 0bv32;~Suspended~0 := 5bv32;~KernelMode~0 := 0bv32;~DeviceUsageTypePaging~0 := 1bv32;~pirp~0 := ~irp~1; {65659#true} is VALID [2018-11-18 21:32:27,453 INFO L256 TraceCheckUtils]: 6: Hoare triple {65659#true} call _BLAST_init(); {65659#true} is VALID [2018-11-18 21:32:27,453 INFO L273 TraceCheckUtils]: 7: Hoare triple {65659#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 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32; {65659#true} is VALID [2018-11-18 21:32:27,453 INFO L273 TraceCheckUtils]: 8: Hoare triple {65659#true} assume true; {65659#true} is VALID [2018-11-18 21:32:27,454 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {65659#true} {65659#true} #1365#return; {65659#true} is VALID [2018-11-18 21:32:27,454 INFO L273 TraceCheckUtils]: 10: Hoare triple {65659#true} assume ~bvsge32(~status~9, 0bv32);~s~0 := ~NP~0;~customIrp~0 := 0bv32;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0;~pirp__IoStatus__Status~0 := 0bv32;~myStatus~0 := 0bv32; {65659#true} is VALID [2018-11-18 21:32:27,454 INFO L273 TraceCheckUtils]: 11: Hoare triple {65659#true} assume 0bv32 == ~irp_choice~0;~pirp__IoStatus__Status~0 := 3221225659bv32;~myStatus~0 := 3221225659bv32; {65659#true} is VALID [2018-11-18 21:32:27,454 INFO L256 TraceCheckUtils]: 12: Hoare triple {65659#true} call stub_driver_init(); {65659#true} is VALID [2018-11-18 21:32:27,455 INFO L273 TraceCheckUtils]: 13: Hoare triple {65659#true} ~s~0 := ~NP~0;~customIrp~0 := 0bv32;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0; {65659#true} is VALID [2018-11-18 21:32:27,455 INFO L273 TraceCheckUtils]: 14: Hoare triple {65659#true} assume true; {65659#true} is VALID [2018-11-18 21:32:27,455 INFO L268 TraceCheckUtils]: 15: Hoare quadruple {65659#true} {65659#true} #1367#return; {65659#true} is VALID [2018-11-18 21:32:27,455 INFO L273 TraceCheckUtils]: 16: Hoare triple {65659#true} assume !~bvslt32(~status~9, 0bv32);havoc ~tmp_ndt_1~0;~tmp_ndt_1~0 := #t~nondet156;havoc #t~nondet156; {65659#true} is VALID [2018-11-18 21:32:27,455 INFO L273 TraceCheckUtils]: 17: Hoare triple {65659#true} assume 2bv32 == ~tmp_ndt_1~0; {65659#true} is VALID [2018-11-18 21:32:27,455 INFO L256 TraceCheckUtils]: 18: Hoare triple {65659#true} call #t~ret159 := CdAudioDeviceControl(~devobj~0, ~pirp~0); {65659#true} is VALID [2018-11-18 21:32:27,455 INFO L273 TraceCheckUtils]: 19: Hoare triple {65659#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;~deviceExtension__Active~1 := #t~nondet26;havoc #t~nondet26;havoc ~status~3; {65659#true} is VALID [2018-11-18 21:32:27,456 INFO L273 TraceCheckUtils]: 20: Hoare triple {65659#true} assume !(2bv32 == ~deviceExtension__Active~1); {65659#true} is VALID [2018-11-18 21:32:27,456 INFO L273 TraceCheckUtils]: 21: Hoare triple {65659#true} assume !(3bv32 == ~deviceExtension__Active~1); {65659#true} is VALID [2018-11-18 21:32:27,456 INFO L273 TraceCheckUtils]: 22: Hoare triple {65659#true} assume !(1bv32 == ~deviceExtension__Active~1); {65659#true} is VALID [2018-11-18 21:32:27,456 INFO L273 TraceCheckUtils]: 23: Hoare triple {65659#true} assume 7bv32 == ~deviceExtension__Active~1; {65659#true} is VALID [2018-11-18 21:32:27,456 INFO L256 TraceCheckUtils]: 24: Hoare triple {65659#true} call #t~ret30 := CdAudioHPCdrDeviceControl(~DeviceObject, ~Irp); {65659#true} is VALID [2018-11-18 21:32:27,456 INFO L273 TraceCheckUtils]: 25: Hoare triple {65659#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;~currentIrpStack__Parameters__DeviceIoControl__IoControlCode~3 := #t~nondet136;havoc #t~nondet136;~deviceExtension__TargetDeviceObject~2 := #t~nondet137;havoc #t~nondet137;havoc ~irpSp__Control~0;havoc ~tmp~6;havoc ~tmp___0~3;havoc ~__cil_tmp8~0;havoc ~__cil_tmp9~0;havoc ~__cil_tmp10~2;havoc ~__cil_tmp11~2;havoc ~__cil_tmp12~1;~__cil_tmp8~0 := 56bv32;~__cil_tmp9~0 := 16384bv32;~__cil_tmp10~2 := 131072bv32;~__cil_tmp11~2 := 147456bv32;~__cil_tmp12~1 := 147512bv32; {65659#true} is VALID [2018-11-18 21:32:27,456 INFO L273 TraceCheckUtils]: 26: Hoare triple {65659#true} assume ~currentIrpStack__Parameters__DeviceIoControl__IoControlCode~3 == ~__cil_tmp12~1; {65659#true} is VALID [2018-11-18 21:32:27,456 INFO L273 TraceCheckUtils]: 27: Hoare triple {65659#true} assume !(~s~0 != ~NP~0); {65659#true} is VALID [2018-11-18 21:32:27,456 INFO L273 TraceCheckUtils]: 28: Hoare triple {65659#true} assume !(0bv32 != ~compRegistered~0);~compRegistered~0 := 1bv32;~routine~0 := 0bv32; {65659#true} is VALID [2018-11-18 21:32:27,457 INFO L273 TraceCheckUtils]: 29: Hoare triple {65659#true} ~irpSp__Control~0 := 224bv32; {65659#true} is VALID [2018-11-18 21:32:27,457 INFO L256 TraceCheckUtils]: 30: Hoare triple {65659#true} call #t~ret138 := IofCallDriver(~deviceExtension__TargetDeviceObject~2, ~Irp); {65659#true} is VALID [2018-11-18 21:32:27,457 INFO L273 TraceCheckUtils]: 31: Hoare triple {65659#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;~Irp__PendingReturned~1 := #t~nondet162;havoc #t~nondet162;havoc ~returnVal2~0;havoc ~compRetStatus~0;~lcontext~0 := #t~nondet163;havoc #t~nondet163;havoc ~__cil_tmp8~1; {65659#true} is VALID [2018-11-18 21:32:27,457 INFO L273 TraceCheckUtils]: 32: Hoare triple {65659#true} assume 0bv32 != ~compRegistered~0; {65659#true} is VALID [2018-11-18 21:32:27,457 INFO L273 TraceCheckUtils]: 33: Hoare triple {65659#true} assume 0bv32 == ~routine~0; {65659#true} is VALID [2018-11-18 21:32:27,457 INFO L256 TraceCheckUtils]: 34: Hoare triple {65659#true} call #t~ret164 := HPCdrCompletion(~DeviceObject, ~Irp, ~lcontext~0); {65659#true} is VALID [2018-11-18 21:32:27,457 INFO L273 TraceCheckUtils]: 35: Hoare triple {65659#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;~Context := #in~Context;~Irp__PendingReturned~0 := #t~nondet134;havoc #t~nondet134;~Irp__AssociatedIrp__SystemBuffer~1 := #t~nondet135;havoc #t~nondet135; {65659#true} is VALID [2018-11-18 21:32:27,457 INFO L273 TraceCheckUtils]: 36: Hoare triple {65659#true} assume !(0bv32 != ~Irp__PendingReturned~0); {65659#true} is VALID [2018-11-18 21:32:27,458 INFO L273 TraceCheckUtils]: 37: Hoare triple {65659#true} assume !~bvsge32(~myStatus~0, 0bv32); {65659#true} is VALID [2018-11-18 21:32:27,458 INFO L273 TraceCheckUtils]: 38: Hoare triple {65659#true} #res := ~myStatus~0; {65659#true} is VALID [2018-11-18 21:32:27,458 INFO L273 TraceCheckUtils]: 39: Hoare triple {65659#true} assume true; {65659#true} is VALID [2018-11-18 21:32:27,458 INFO L268 TraceCheckUtils]: 40: Hoare quadruple {65659#true} {65659#true} #1467#return; {65659#true} is VALID [2018-11-18 21:32:27,458 INFO L273 TraceCheckUtils]: 41: Hoare triple {65659#true} ~compRetStatus~0 := #t~ret164;havoc #t~ret164; {65659#true} is VALID [2018-11-18 21:32:27,458 INFO L273 TraceCheckUtils]: 42: Hoare triple {65659#true} ~__cil_tmp8~1 := ~compRetStatus~0; {65659#true} is VALID [2018-11-18 21:32:27,458 INFO L273 TraceCheckUtils]: 43: Hoare triple {65659#true} assume 3221225494bv32 == ~__cil_tmp8~1; {65659#true} is VALID [2018-11-18 21:32:27,459 INFO L256 TraceCheckUtils]: 44: Hoare triple {65659#true} call stubMoreProcessingRequired(); {65659#true} is VALID [2018-11-18 21:32:27,459 INFO L273 TraceCheckUtils]: 45: Hoare triple {65659#true} assume ~s~0 == ~NP~0;~s~0 := ~MPR1~0; {65799#(= ~MPR1~0 ~s~0)} is VALID [2018-11-18 21:32:27,459 INFO L273 TraceCheckUtils]: 46: Hoare triple {65799#(= ~MPR1~0 ~s~0)} assume true; {65799#(= ~MPR1~0 ~s~0)} is VALID [2018-11-18 21:32:27,460 INFO L268 TraceCheckUtils]: 47: Hoare quadruple {65799#(= ~MPR1~0 ~s~0)} {65659#true} #1471#return; {65799#(= ~MPR1~0 ~s~0)} is VALID [2018-11-18 21:32:27,460 INFO L273 TraceCheckUtils]: 48: Hoare triple {65799#(= ~MPR1~0 ~s~0)} assume 0bv32 != ~Irp__PendingReturned~1;~returnVal2~0 := 259bv32; {65799#(= ~MPR1~0 ~s~0)} is VALID [2018-11-18 21:32:27,460 INFO L273 TraceCheckUtils]: 49: Hoare triple {65799#(= ~MPR1~0 ~s~0)} assume !(~s~0 == ~NP~0); {65799#(= ~MPR1~0 ~s~0)} is VALID [2018-11-18 21:32:27,461 INFO L273 TraceCheckUtils]: 50: Hoare triple {65799#(= ~MPR1~0 ~s~0)} assume !(~s~0 == ~MPR1~0); {65660#false} is VALID [2018-11-18 21:32:27,461 INFO L273 TraceCheckUtils]: 51: Hoare triple {65660#false} assume !(~s~0 == ~SKIP1~0); {65660#false} is VALID [2018-11-18 21:32:27,461 INFO L256 TraceCheckUtils]: 52: Hoare triple {65660#false} call errorFn(); {65660#false} is VALID [2018-11-18 21:32:27,461 INFO L273 TraceCheckUtils]: 53: Hoare triple {65660#false} assume !false; {65660#false} is VALID [2018-11-18 21:32:27,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 21:32:27,462 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 21:32:27,464 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 21:32:27,465 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 21:32:27,465 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2018-11-18 21:32:27,465 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-18 21:32:27,466 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2018-11-18 21:32:27,522 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 54 edges. 54 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 21:32:27,522 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 21:32:27,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 21:32:27,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 21:32:27,523 INFO L87 Difference]: Start difference. First operand 901 states and 1221 transitions. Second operand 3 states. [2018-11-18 21:32:33,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 21:32:33,945 INFO L93 Difference]: Finished difference Result 1117 states and 1511 transitions. [2018-11-18 21:32:33,945 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 21:32:33,945 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2018-11-18 21:32:33,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 21:32:33,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-18 21:32:33,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 854 transitions. [2018-11-18 21:32:33,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-18 21:32:33,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 854 transitions. [2018-11-18 21:32:33,958 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 854 transitions. [2018-11-18 21:32:34,828 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 854 edges. 854 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 21:32:34,867 INFO L225 Difference]: With dead ends: 1117 [2018-11-18 21:32:34,868 INFO L226 Difference]: Without dead ends: 873 [2018-11-18 21:32:34,868 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 21:32:34,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 873 states. [2018-11-18 21:32:36,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 873 to 873. [2018-11-18 21:32:36,975 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-18 21:32:36,975 INFO L82 GeneralOperation]: Start isEquivalent. First operand 873 states. Second operand 873 states. [2018-11-18 21:32:36,975 INFO L74 IsIncluded]: Start isIncluded. First operand 873 states. Second operand 873 states. [2018-11-18 21:32:36,975 INFO L87 Difference]: Start difference. First operand 873 states. Second operand 873 states. [2018-11-18 21:32:37,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 21:32:37,007 INFO L93 Difference]: Finished difference Result 873 states and 1184 transitions. [2018-11-18 21:32:37,007 INFO L276 IsEmpty]: Start isEmpty. Operand 873 states and 1184 transitions. [2018-11-18 21:32:37,008 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 21:32:37,008 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 21:32:37,008 INFO L74 IsIncluded]: Start isIncluded. First operand 873 states. Second operand 873 states. [2018-11-18 21:32:37,009 INFO L87 Difference]: Start difference. First operand 873 states. Second operand 873 states. [2018-11-18 21:32:37,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 21:32:37,036 INFO L93 Difference]: Finished difference Result 873 states and 1184 transitions. [2018-11-18 21:32:37,036 INFO L276 IsEmpty]: Start isEmpty. Operand 873 states and 1184 transitions. [2018-11-18 21:32:37,038 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 21:32:37,038 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 21:32:37,038 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-18 21:32:37,038 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-18 21:32:37,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 873 states. [2018-11-18 21:32:37,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 873 states to 873 states and 1184 transitions. [2018-11-18 21:32:37,071 INFO L78 Accepts]: Start accepts. Automaton has 873 states and 1184 transitions. Word has length 54 [2018-11-18 21:32:37,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 21:32:37,071 INFO L480 AbstractCegarLoop]: Abstraction has 873 states and 1184 transitions. [2018-11-18 21:32:37,071 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 21:32:37,071 INFO L276 IsEmpty]: Start isEmpty. Operand 873 states and 1184 transitions. [2018-11-18 21:32:37,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 21:32:37,073 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 21:32:37,073 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 21:32:37,073 INFO L423 AbstractCegarLoop]: === Iteration 17 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 21:32:37,073 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 21:32:37,073 INFO L82 PathProgramCache]: Analyzing trace with hash 1977112561, now seen corresponding path program 1 times [2018-11-18 21:32:37,073 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 21:32:37,073 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 18 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 18 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 21:32:37,089 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 21:32:37,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 21:32:37,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 21:32:37,204 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 21:32:37,436 INFO L256 TraceCheckUtils]: 0: Hoare triple {70168#true} call ULTIMATE.init(); {70168#true} is VALID [2018-11-18 21:32:37,437 INFO L273 TraceCheckUtils]: 1: Hoare triple {70168#true} ~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;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32;~routine~0 := 0bv32;~myStatus~0 := 0bv32;~pirp~0 := 0bv32;~Executive~0 := 0bv32;~Suspended~0 := 0bv32;~KernelMode~0 := 0bv32;~DeviceUsageTypePaging~0 := 0bv32; {70168#true} is VALID [2018-11-18 21:32:37,437 INFO L273 TraceCheckUtils]: 2: Hoare triple {70168#true} assume true; {70168#true} is VALID [2018-11-18 21:32:37,437 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {70168#true} {70168#true} #1497#return; {70168#true} is VALID [2018-11-18 21:32:37,437 INFO L256 TraceCheckUtils]: 4: Hoare triple {70168#true} call #t~ret176 := main(); {70168#true} is VALID [2018-11-18 21:32:37,438 INFO L273 TraceCheckUtils]: 5: Hoare triple {70168#true} havoc ~pirp__IoStatus__Status~0;~d~0 := #t~nondet150;havoc #t~nondet150;~status~9 := #t~nondet151;havoc #t~nondet151;~irp~1 := #t~nondet152;havoc #t~nondet152;~we_should_unload~0 := #t~nondet153;havoc #t~nondet153;~irp_choice~0 := #t~nondet154;havoc #t~nondet154;~devobj~0 := #t~nondet155;havoc #t~nondet155;havoc ~__cil_tmp9~1;~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;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32;~routine~0 := 0bv32;~myStatus~0 := 0bv32;~pirp~0 := 0bv32;~Executive~0 := 0bv32;~Suspended~0 := 5bv32;~KernelMode~0 := 0bv32;~DeviceUsageTypePaging~0 := 1bv32;~pirp~0 := ~irp~1; {70168#true} is VALID [2018-11-18 21:32:37,438 INFO L256 TraceCheckUtils]: 6: Hoare triple {70168#true} call _BLAST_init(); {70168#true} is VALID [2018-11-18 21:32:37,438 INFO L273 TraceCheckUtils]: 7: Hoare triple {70168#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 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32; {70168#true} is VALID [2018-11-18 21:32:37,438 INFO L273 TraceCheckUtils]: 8: Hoare triple {70168#true} assume true; {70168#true} is VALID [2018-11-18 21:32:37,438 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {70168#true} {70168#true} #1365#return; {70168#true} is VALID [2018-11-18 21:32:37,439 INFO L273 TraceCheckUtils]: 10: Hoare triple {70168#true} assume ~bvsge32(~status~9, 0bv32);~s~0 := ~NP~0;~customIrp~0 := 0bv32;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0;~pirp__IoStatus__Status~0 := 0bv32;~myStatus~0 := 0bv32; {70168#true} is VALID [2018-11-18 21:32:37,439 INFO L273 TraceCheckUtils]: 11: Hoare triple {70168#true} assume 0bv32 == ~irp_choice~0;~pirp__IoStatus__Status~0 := 3221225659bv32;~myStatus~0 := 3221225659bv32; {70168#true} is VALID [2018-11-18 21:32:37,439 INFO L256 TraceCheckUtils]: 12: Hoare triple {70168#true} call stub_driver_init(); {70168#true} is VALID [2018-11-18 21:32:37,439 INFO L273 TraceCheckUtils]: 13: Hoare triple {70168#true} ~s~0 := ~NP~0;~customIrp~0 := 0bv32;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0; {70168#true} is VALID [2018-11-18 21:32:37,439 INFO L273 TraceCheckUtils]: 14: Hoare triple {70168#true} assume true; {70168#true} is VALID [2018-11-18 21:32:37,440 INFO L268 TraceCheckUtils]: 15: Hoare quadruple {70168#true} {70168#true} #1367#return; {70168#true} is VALID [2018-11-18 21:32:37,440 INFO L273 TraceCheckUtils]: 16: Hoare triple {70168#true} assume !~bvslt32(~status~9, 0bv32);havoc ~tmp_ndt_1~0;~tmp_ndt_1~0 := #t~nondet156;havoc #t~nondet156; {70168#true} is VALID [2018-11-18 21:32:37,440 INFO L273 TraceCheckUtils]: 17: Hoare triple {70168#true} assume !(2bv32 == ~tmp_ndt_1~0);havoc ~tmp_ndt_2~0;~tmp_ndt_2~0 := #t~nondet157;havoc #t~nondet157; {70168#true} is VALID [2018-11-18 21:32:37,440 INFO L273 TraceCheckUtils]: 18: Hoare triple {70168#true} assume !(3bv32 == ~tmp_ndt_2~0);havoc ~tmp_ndt_3~0;~tmp_ndt_3~0 := #t~nondet158;havoc #t~nondet158; {70168#true} is VALID [2018-11-18 21:32:37,440 INFO L273 TraceCheckUtils]: 19: Hoare triple {70168#true} assume 4bv32 == ~tmp_ndt_3~0; {70168#true} is VALID [2018-11-18 21:32:37,440 INFO L256 TraceCheckUtils]: 20: Hoare triple {70168#true} call #t~ret161 := CdAudioPower(~devobj~0, ~pirp~0); {70168#true} is VALID [2018-11-18 21:32:37,441 INFO L273 TraceCheckUtils]: 21: Hoare triple {70168#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;~Irp__CurrentLocation~1 := #t~nondet144;havoc #t~nondet144;~Irp__Tail__Overlay__CurrentStackLocation~3 := #t~nondet145;havoc #t~nondet145;~deviceExtension__TargetDeviceObject~4 := #t~nondet146;havoc #t~nondet146;havoc ~tmp~7; {70168#true} is VALID [2018-11-18 21:32:37,441 INFO L273 TraceCheckUtils]: 22: Hoare triple {70168#true} assume ~s~0 == ~NP~0;~s~0 := ~SKIP1~0; {70168#true} is VALID [2018-11-18 21:32:37,441 INFO L273 TraceCheckUtils]: 23: Hoare triple {70168#true} #t~post147 := ~Irp__CurrentLocation~1;~Irp__CurrentLocation~1 := ~bvadd32(1bv32, #t~post147);havoc #t~post147;#t~post148 := ~Irp__Tail__Overlay__CurrentStackLocation~3;~Irp__Tail__Overlay__CurrentStackLocation~3 := ~bvadd32(1bv32, #t~post148);havoc #t~post148; {70168#true} is VALID [2018-11-18 21:32:37,441 INFO L256 TraceCheckUtils]: 24: Hoare triple {70168#true} call #t~ret149 := PoCallDriver(~deviceExtension__TargetDeviceObject~4, ~Irp); {70168#true} is VALID [2018-11-18 21:32:37,441 INFO L273 TraceCheckUtils]: 25: Hoare triple {70168#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;havoc ~compRetStatus~1;havoc ~returnVal~0;~lcontext~1 := #t~nondet170;havoc #t~nondet170;havoc ~__cil_tmp7~0;havoc ~__cil_tmp8~2; {70168#true} is VALID [2018-11-18 21:32:37,441 INFO L273 TraceCheckUtils]: 26: Hoare triple {70168#true} assume !(0bv32 != ~compRegistered~0); {70168#true} is VALID [2018-11-18 21:32:37,442 INFO L273 TraceCheckUtils]: 27: Hoare triple {70168#true} havoc ~tmp_ndt_8~0;~tmp_ndt_8~0 := #t~nondet173;havoc #t~nondet173; {70168#true} is VALID [2018-11-18 21:32:37,442 INFO L273 TraceCheckUtils]: 28: Hoare triple {70168#true} assume 0bv32 == ~tmp_ndt_8~0; {70168#true} is VALID [2018-11-18 21:32:37,442 INFO L273 TraceCheckUtils]: 29: Hoare triple {70168#true} ~returnVal~0 := 0bv32; {70168#true} is VALID [2018-11-18 21:32:37,442 INFO L273 TraceCheckUtils]: 30: Hoare triple {70168#true} assume !(~s~0 == ~NP~0); {70168#true} is VALID [2018-11-18 21:32:37,442 INFO L273 TraceCheckUtils]: 31: Hoare triple {70168#true} assume !(~s~0 == ~MPR1~0); {70168#true} is VALID [2018-11-18 21:32:37,454 INFO L273 TraceCheckUtils]: 32: Hoare triple {70168#true} assume ~s~0 == ~SKIP1~0;~s~0 := ~SKIP2~0;~lowerDriverReturn~0 := ~returnVal~0; {70269#(= ~lowerDriverReturn~0 PoCallDriver_~returnVal~0)} is VALID [2018-11-18 21:32:37,469 INFO L273 TraceCheckUtils]: 33: Hoare triple {70269#(= ~lowerDriverReturn~0 PoCallDriver_~returnVal~0)} #res := ~returnVal~0; {70273#(= |PoCallDriver_#res| ~lowerDriverReturn~0)} is VALID [2018-11-18 21:32:37,470 INFO L273 TraceCheckUtils]: 34: Hoare triple {70273#(= |PoCallDriver_#res| ~lowerDriverReturn~0)} assume true; {70273#(= |PoCallDriver_#res| ~lowerDriverReturn~0)} is VALID [2018-11-18 21:32:37,470 INFO L268 TraceCheckUtils]: 35: Hoare quadruple {70273#(= |PoCallDriver_#res| ~lowerDriverReturn~0)} {70168#true} #1409#return; {70280#(= |CdAudioPower_#t~ret149| ~lowerDriverReturn~0)} is VALID [2018-11-18 21:32:37,472 INFO L273 TraceCheckUtils]: 36: Hoare triple {70280#(= |CdAudioPower_#t~ret149| ~lowerDriverReturn~0)} ~tmp~7 := #t~ret149;havoc #t~ret149;#res := ~tmp~7; {70284#(= |CdAudioPower_#res| ~lowerDriverReturn~0)} is VALID [2018-11-18 21:32:37,472 INFO L273 TraceCheckUtils]: 37: Hoare triple {70284#(= |CdAudioPower_#res| ~lowerDriverReturn~0)} assume true; {70284#(= |CdAudioPower_#res| ~lowerDriverReturn~0)} is VALID [2018-11-18 21:32:37,473 INFO L268 TraceCheckUtils]: 38: Hoare quadruple {70284#(= |CdAudioPower_#res| ~lowerDriverReturn~0)} {70168#true} #1373#return; {70291#(= ~lowerDriverReturn~0 |main_#t~ret161|)} is VALID [2018-11-18 21:32:37,473 INFO L273 TraceCheckUtils]: 39: Hoare triple {70291#(= ~lowerDriverReturn~0 |main_#t~ret161|)} ~status~9 := #t~ret161;havoc #t~ret161; {70295#(= main_~status~9 ~lowerDriverReturn~0)} is VALID [2018-11-18 21:32:37,473 INFO L273 TraceCheckUtils]: 40: Hoare triple {70295#(= main_~status~9 ~lowerDriverReturn~0)} assume !(0bv32 != ~we_should_unload~0); {70295#(= main_~status~9 ~lowerDriverReturn~0)} is VALID [2018-11-18 21:32:37,475 INFO L273 TraceCheckUtils]: 41: Hoare triple {70295#(= main_~status~9 ~lowerDriverReturn~0)} assume !(1bv32 == ~pended~0); {70295#(= main_~status~9 ~lowerDriverReturn~0)} is VALID [2018-11-18 21:32:37,475 INFO L273 TraceCheckUtils]: 42: Hoare triple {70295#(= main_~status~9 ~lowerDriverReturn~0)} assume !(1bv32 == ~pended~0); {70295#(= main_~status~9 ~lowerDriverReturn~0)} is VALID [2018-11-18 21:32:37,475 INFO L273 TraceCheckUtils]: 43: Hoare triple {70295#(= main_~status~9 ~lowerDriverReturn~0)} assume ~s~0 != ~UNLOADED~0; {70295#(= main_~status~9 ~lowerDriverReturn~0)} is VALID [2018-11-18 21:32:37,476 INFO L273 TraceCheckUtils]: 44: Hoare triple {70295#(= main_~status~9 ~lowerDriverReturn~0)} assume 4294967295bv32 != ~status~9; {70295#(= main_~status~9 ~lowerDriverReturn~0)} is VALID [2018-11-18 21:32:37,477 INFO L273 TraceCheckUtils]: 45: Hoare triple {70295#(= main_~status~9 ~lowerDriverReturn~0)} assume !(~s~0 != ~SKIP2~0); {70295#(= main_~status~9 ~lowerDriverReturn~0)} is VALID [2018-11-18 21:32:37,477 INFO L273 TraceCheckUtils]: 46: Hoare triple {70295#(= main_~status~9 ~lowerDriverReturn~0)} assume 1bv32 != ~pended~0; {70295#(= main_~status~9 ~lowerDriverReturn~0)} is VALID [2018-11-18 21:32:37,478 INFO L273 TraceCheckUtils]: 47: Hoare triple {70295#(= main_~status~9 ~lowerDriverReturn~0)} assume !(~s~0 == ~DC~0); {70295#(= main_~status~9 ~lowerDriverReturn~0)} is VALID [2018-11-18 21:32:37,478 INFO L273 TraceCheckUtils]: 48: Hoare triple {70295#(= main_~status~9 ~lowerDriverReturn~0)} assume ~status~9 != ~lowerDriverReturn~0; {70169#false} is VALID [2018-11-18 21:32:37,479 INFO L256 TraceCheckUtils]: 49: Hoare triple {70169#false} call errorFn(); {70169#false} is VALID [2018-11-18 21:32:37,479 INFO L273 TraceCheckUtils]: 50: Hoare triple {70169#false} assume !false; {70169#false} is VALID [2018-11-18 21:32:37,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 21:32:37,481 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 21:32:37,483 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 21:32:37,484 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-18 21:32:37,484 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2018-11-18 21:32:37,484 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-18 21:32:37,484 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2018-11-18 21:32:37,542 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 51 edges. 51 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 21:32:37,542 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 21:32:37,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 21:32:37,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 21:32:37,543 INFO L87 Difference]: Start difference. First operand 873 states and 1184 transitions. Second operand 8 states. [2018-11-18 21:32:47,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 21:32:47,572 INFO L93 Difference]: Finished difference Result 888 states and 1201 transitions. [2018-11-18 21:32:47,572 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 21:32:47,572 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2018-11-18 21:32:47,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 21:32:47,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2018-11-18 21:32:47,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 714 transitions. [2018-11-18 21:32:47,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2018-11-18 21:32:47,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 714 transitions. [2018-11-18 21:32:47,589 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 714 transitions. [2018-11-18 21:32:48,395 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 714 edges. 714 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 21:32:48,433 INFO L225 Difference]: With dead ends: 888 [2018-11-18 21:32:48,434 INFO L226 Difference]: Without dead ends: 884 [2018-11-18 21:32:48,434 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-11-18 21:32:48,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 884 states. [2018-11-18 21:32:50,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 884 to 880. [2018-11-18 21:32:50,621 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-18 21:32:50,621 INFO L82 GeneralOperation]: Start isEquivalent. First operand 884 states. Second operand 880 states. [2018-11-18 21:32:50,622 INFO L74 IsIncluded]: Start isIncluded. First operand 884 states. Second operand 880 states. [2018-11-18 21:32:50,622 INFO L87 Difference]: Start difference. First operand 884 states. Second operand 880 states. [2018-11-18 21:32:50,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 21:32:50,666 INFO L93 Difference]: Finished difference Result 884 states and 1197 transitions. [2018-11-18 21:32:50,666 INFO L276 IsEmpty]: Start isEmpty. Operand 884 states and 1197 transitions. [2018-11-18 21:32:50,669 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 21:32:50,669 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 21:32:50,669 INFO L74 IsIncluded]: Start isIncluded. First operand 880 states. Second operand 884 states. [2018-11-18 21:32:50,669 INFO L87 Difference]: Start difference. First operand 880 states. Second operand 884 states. [2018-11-18 21:32:50,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 21:32:50,712 INFO L93 Difference]: Finished difference Result 884 states and 1197 transitions. [2018-11-18 21:32:50,713 INFO L276 IsEmpty]: Start isEmpty. Operand 884 states and 1197 transitions. [2018-11-18 21:32:50,714 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 21:32:50,715 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 21:32:50,715 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-18 21:32:50,715 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-18 21:32:50,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 880 states. [2018-11-18 21:32:50,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 880 states and 1193 transitions. [2018-11-18 21:32:50,753 INFO L78 Accepts]: Start accepts. Automaton has 880 states and 1193 transitions. Word has length 51 [2018-11-18 21:32:50,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 21:32:50,753 INFO L480 AbstractCegarLoop]: Abstraction has 880 states and 1193 transitions. [2018-11-18 21:32:50,753 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 21:32:50,753 INFO L276 IsEmpty]: Start isEmpty. Operand 880 states and 1193 transitions. [2018-11-18 21:32:50,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 21:32:50,754 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 21:32:50,755 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 21:32:50,755 INFO L423 AbstractCegarLoop]: === Iteration 18 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 21:32:50,755 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 21:32:50,755 INFO L82 PathProgramCache]: Analyzing trace with hash 1976835731, now seen corresponding path program 1 times [2018-11-18 21:32:50,755 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 21:32:50,756 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 19 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 19 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 21:32:50,771 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 21:32:50,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 21:32:50,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 21:32:50,923 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 21:32:51,146 INFO L256 TraceCheckUtils]: 0: Hoare triple {74418#true} call ULTIMATE.init(); {74418#true} is VALID [2018-11-18 21:32:51,147 INFO L273 TraceCheckUtils]: 1: Hoare triple {74418#true} ~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;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32;~routine~0 := 0bv32;~myStatus~0 := 0bv32;~pirp~0 := 0bv32;~Executive~0 := 0bv32;~Suspended~0 := 0bv32;~KernelMode~0 := 0bv32;~DeviceUsageTypePaging~0 := 0bv32; {74418#true} is VALID [2018-11-18 21:32:51,147 INFO L273 TraceCheckUtils]: 2: Hoare triple {74418#true} assume true; {74418#true} is VALID [2018-11-18 21:32:51,147 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {74418#true} {74418#true} #1497#return; {74418#true} is VALID [2018-11-18 21:32:51,147 INFO L256 TraceCheckUtils]: 4: Hoare triple {74418#true} call #t~ret176 := main(); {74418#true} is VALID [2018-11-18 21:32:51,147 INFO L273 TraceCheckUtils]: 5: Hoare triple {74418#true} havoc ~pirp__IoStatus__Status~0;~d~0 := #t~nondet150;havoc #t~nondet150;~status~9 := #t~nondet151;havoc #t~nondet151;~irp~1 := #t~nondet152;havoc #t~nondet152;~we_should_unload~0 := #t~nondet153;havoc #t~nondet153;~irp_choice~0 := #t~nondet154;havoc #t~nondet154;~devobj~0 := #t~nondet155;havoc #t~nondet155;havoc ~__cil_tmp9~1;~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;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32;~routine~0 := 0bv32;~myStatus~0 := 0bv32;~pirp~0 := 0bv32;~Executive~0 := 0bv32;~Suspended~0 := 5bv32;~KernelMode~0 := 0bv32;~DeviceUsageTypePaging~0 := 1bv32;~pirp~0 := ~irp~1; {74418#true} is VALID [2018-11-18 21:32:51,148 INFO L256 TraceCheckUtils]: 6: Hoare triple {74418#true} call _BLAST_init(); {74418#true} is VALID [2018-11-18 21:32:51,149 INFO L273 TraceCheckUtils]: 7: Hoare triple {74418#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 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32; {74444#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-18 21:32:51,149 INFO L273 TraceCheckUtils]: 8: Hoare triple {74444#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} assume true; {74444#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-18 21:32:51,150 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {74444#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} {74418#true} #1365#return; {74444#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-18 21:32:51,150 INFO L273 TraceCheckUtils]: 10: Hoare triple {74444#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} assume ~bvsge32(~status~9, 0bv32);~s~0 := ~NP~0;~customIrp~0 := 0bv32;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0;~pirp__IoStatus__Status~0 := 0bv32;~myStatus~0 := 0bv32; {74444#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-18 21:32:51,153 INFO L273 TraceCheckUtils]: 11: Hoare triple {74444#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} assume 0bv32 == ~irp_choice~0;~pirp__IoStatus__Status~0 := 3221225659bv32;~myStatus~0 := 3221225659bv32; {74444#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-18 21:32:51,154 INFO L256 TraceCheckUtils]: 12: Hoare triple {74444#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} call stub_driver_init(); {74444#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-18 21:32:51,154 INFO L273 TraceCheckUtils]: 13: Hoare triple {74444#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} ~s~0 := ~NP~0;~customIrp~0 := 0bv32;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0; {74444#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-18 21:32:51,161 INFO L273 TraceCheckUtils]: 14: Hoare triple {74444#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} assume true; {74444#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-18 21:32:51,162 INFO L268 TraceCheckUtils]: 15: Hoare quadruple {74444#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} {74444#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} #1367#return; {74444#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-18 21:32:51,162 INFO L273 TraceCheckUtils]: 16: Hoare triple {74444#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} assume !~bvslt32(~status~9, 0bv32);havoc ~tmp_ndt_1~0;~tmp_ndt_1~0 := #t~nondet156;havoc #t~nondet156; {74444#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-18 21:32:51,163 INFO L273 TraceCheckUtils]: 17: Hoare triple {74444#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} assume !(2bv32 == ~tmp_ndt_1~0);havoc ~tmp_ndt_2~0;~tmp_ndt_2~0 := #t~nondet157;havoc #t~nondet157; {74444#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-18 21:32:51,163 INFO L273 TraceCheckUtils]: 18: Hoare triple {74444#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} assume !(3bv32 == ~tmp_ndt_2~0);havoc ~tmp_ndt_3~0;~tmp_ndt_3~0 := #t~nondet158;havoc #t~nondet158; {74444#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-18 21:32:51,163 INFO L273 TraceCheckUtils]: 19: Hoare triple {74444#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} assume 4bv32 == ~tmp_ndt_3~0; {74444#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-18 21:32:51,164 INFO L256 TraceCheckUtils]: 20: Hoare triple {74444#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} call #t~ret161 := CdAudioPower(~devobj~0, ~pirp~0); {74444#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-18 21:32:51,164 INFO L273 TraceCheckUtils]: 21: Hoare triple {74444#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;~Irp__CurrentLocation~1 := #t~nondet144;havoc #t~nondet144;~Irp__Tail__Overlay__CurrentStackLocation~3 := #t~nondet145;havoc #t~nondet145;~deviceExtension__TargetDeviceObject~4 := #t~nondet146;havoc #t~nondet146;havoc ~tmp~7; {74444#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-18 21:32:51,165 INFO L273 TraceCheckUtils]: 22: Hoare triple {74444#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} assume ~s~0 == ~NP~0;~s~0 := ~SKIP1~0; {74444#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-18 21:32:51,166 INFO L273 TraceCheckUtils]: 23: Hoare triple {74444#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} #t~post147 := ~Irp__CurrentLocation~1;~Irp__CurrentLocation~1 := ~bvadd32(1bv32, #t~post147);havoc #t~post147;#t~post148 := ~Irp__Tail__Overlay__CurrentStackLocation~3;~Irp__Tail__Overlay__CurrentStackLocation~3 := ~bvadd32(1bv32, #t~post148);havoc #t~post148; {74444#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-18 21:32:51,167 INFO L256 TraceCheckUtils]: 24: Hoare triple {74444#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} call #t~ret149 := PoCallDriver(~deviceExtension__TargetDeviceObject~4, ~Irp); {74444#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-18 21:32:51,167 INFO L273 TraceCheckUtils]: 25: Hoare triple {74444#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;havoc ~compRetStatus~1;havoc ~returnVal~0;~lcontext~1 := #t~nondet170;havoc #t~nondet170;havoc ~__cil_tmp7~0;havoc ~__cil_tmp8~2; {74444#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-18 21:32:51,168 INFO L273 TraceCheckUtils]: 26: Hoare triple {74444#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} assume !(0bv32 != ~compRegistered~0); {74444#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-18 21:32:51,169 INFO L273 TraceCheckUtils]: 27: Hoare triple {74444#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} havoc ~tmp_ndt_8~0;~tmp_ndt_8~0 := #t~nondet173;havoc #t~nondet173; {74444#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-18 21:32:51,169 INFO L273 TraceCheckUtils]: 28: Hoare triple {74444#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} assume 0bv32 == ~tmp_ndt_8~0; {74444#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-18 21:32:51,170 INFO L273 TraceCheckUtils]: 29: Hoare triple {74444#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} ~returnVal~0 := 0bv32; {74444#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-18 21:32:51,171 INFO L273 TraceCheckUtils]: 30: Hoare triple {74444#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} assume !(~s~0 == ~NP~0); {74444#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-18 21:32:51,172 INFO L273 TraceCheckUtils]: 31: Hoare triple {74444#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} assume !(~s~0 == ~MPR1~0); {74444#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-18 21:32:51,172 INFO L273 TraceCheckUtils]: 32: Hoare triple {74444#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} assume ~s~0 == ~SKIP1~0;~s~0 := ~SKIP2~0;~lowerDriverReturn~0 := ~returnVal~0; {74520#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0) (= ~SKIP2~0 ~s~0))} is VALID [2018-11-18 21:32:51,173 INFO L273 TraceCheckUtils]: 33: Hoare triple {74520#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0) (= ~SKIP2~0 ~s~0))} #res := ~returnVal~0; {74520#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0) (= ~SKIP2~0 ~s~0))} is VALID [2018-11-18 21:32:51,174 INFO L273 TraceCheckUtils]: 34: Hoare triple {74520#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0) (= ~SKIP2~0 ~s~0))} assume true; {74520#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0) (= ~SKIP2~0 ~s~0))} is VALID [2018-11-18 21:32:51,175 INFO L268 TraceCheckUtils]: 35: Hoare quadruple {74520#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0) (= ~SKIP2~0 ~s~0))} {74444#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} #1409#return; {74520#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0) (= ~SKIP2~0 ~s~0))} is VALID [2018-11-18 21:32:51,176 INFO L273 TraceCheckUtils]: 36: Hoare triple {74520#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0) (= ~SKIP2~0 ~s~0))} ~tmp~7 := #t~ret149;havoc #t~ret149;#res := ~tmp~7; {74520#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0) (= ~SKIP2~0 ~s~0))} is VALID [2018-11-18 21:32:51,176 INFO L273 TraceCheckUtils]: 37: Hoare triple {74520#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0) (= ~SKIP2~0 ~s~0))} assume true; {74520#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0) (= ~SKIP2~0 ~s~0))} is VALID [2018-11-18 21:32:51,178 INFO L268 TraceCheckUtils]: 38: Hoare quadruple {74520#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0) (= ~SKIP2~0 ~s~0))} {74444#(and (= (bvadd ~SKIP2~0 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} #1373#return; {74539#(and (= (_ bv4 32) ~s~0) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-18 21:32:51,178 INFO L273 TraceCheckUtils]: 39: Hoare triple {74539#(and (= (_ bv4 32) ~s~0) (= (_ bv2 32) ~DC~0))} ~status~9 := #t~ret161;havoc #t~ret161; {74539#(and (= (_ bv4 32) ~s~0) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-18 21:32:51,179 INFO L273 TraceCheckUtils]: 40: Hoare triple {74539#(and (= (_ bv4 32) ~s~0) (= (_ bv2 32) ~DC~0))} assume !(0bv32 != ~we_should_unload~0); {74539#(and (= (_ bv4 32) ~s~0) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-18 21:32:51,180 INFO L273 TraceCheckUtils]: 41: Hoare triple {74539#(and (= (_ bv4 32) ~s~0) (= (_ bv2 32) ~DC~0))} assume !(1bv32 == ~pended~0); {74539#(and (= (_ bv4 32) ~s~0) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-18 21:32:51,180 INFO L273 TraceCheckUtils]: 42: Hoare triple {74539#(and (= (_ bv4 32) ~s~0) (= (_ bv2 32) ~DC~0))} assume !(1bv32 == ~pended~0); {74539#(and (= (_ bv4 32) ~s~0) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-18 21:32:51,181 INFO L273 TraceCheckUtils]: 43: Hoare triple {74539#(and (= (_ bv4 32) ~s~0) (= (_ bv2 32) ~DC~0))} assume ~s~0 != ~UNLOADED~0; {74539#(and (= (_ bv4 32) ~s~0) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-18 21:32:51,182 INFO L273 TraceCheckUtils]: 44: Hoare triple {74539#(and (= (_ bv4 32) ~s~0) (= (_ bv2 32) ~DC~0))} assume 4294967295bv32 != ~status~9; {74539#(and (= (_ bv4 32) ~s~0) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-18 21:32:51,182 INFO L273 TraceCheckUtils]: 45: Hoare triple {74539#(and (= (_ bv4 32) ~s~0) (= (_ bv2 32) ~DC~0))} assume !(~s~0 != ~SKIP2~0); {74539#(and (= (_ bv4 32) ~s~0) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-18 21:32:51,183 INFO L273 TraceCheckUtils]: 46: Hoare triple {74539#(and (= (_ bv4 32) ~s~0) (= (_ bv2 32) ~DC~0))} assume 1bv32 != ~pended~0; {74539#(and (= (_ bv4 32) ~s~0) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-18 21:32:51,183 INFO L273 TraceCheckUtils]: 47: Hoare triple {74539#(and (= (_ bv4 32) ~s~0) (= (_ bv2 32) ~DC~0))} assume ~s~0 == ~DC~0; {74419#false} is VALID [2018-11-18 21:32:51,184 INFO L273 TraceCheckUtils]: 48: Hoare triple {74419#false} assume 259bv32 == ~status~9; {74419#false} is VALID [2018-11-18 21:32:51,184 INFO L256 TraceCheckUtils]: 49: Hoare triple {74419#false} call errorFn(); {74419#false} is VALID [2018-11-18 21:32:51,184 INFO L273 TraceCheckUtils]: 50: Hoare triple {74419#false} assume !false; {74419#false} is VALID [2018-11-18 21:32:51,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 21:32:51,189 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 21:32:51,192 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 21:32:51,192 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 21:32:51,192 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2018-11-18 21:32:51,192 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-18 21:32:51,193 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2018-11-18 21:32:51,266 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 51 edges. 51 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 21:32:51,266 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 21:32:51,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 21:32:51,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 21:32:51,267 INFO L87 Difference]: Start difference. First operand 880 states and 1193 transitions. Second operand 5 states. [2018-11-18 21:32:58,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 21:32:58,970 INFO L93 Difference]: Finished difference Result 892 states and 1204 transitions. [2018-11-18 21:32:58,970 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 21:32:58,970 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2018-11-18 21:32:58,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 21:32:58,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-18 21:32:58,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 738 transitions. [2018-11-18 21:32:58,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-18 21:32:58,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 738 transitions. [2018-11-18 21:32:58,980 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 738 transitions. [2018-11-18 21:33:00,042 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 738 edges. 738 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 21:33:00,081 INFO L225 Difference]: With dead ends: 892 [2018-11-18 21:33:00,081 INFO L226 Difference]: Without dead ends: 855 [2018-11-18 21:33:00,083 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 21:33:00,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 855 states. [2018-11-18 21:33:03,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 855 to 851. [2018-11-18 21:33:03,708 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-18 21:33:03,708 INFO L82 GeneralOperation]: Start isEquivalent. First operand 855 states. Second operand 851 states. [2018-11-18 21:33:03,708 INFO L74 IsIncluded]: Start isIncluded. First operand 855 states. Second operand 851 states. [2018-11-18 21:33:03,708 INFO L87 Difference]: Start difference. First operand 855 states. Second operand 851 states. [2018-11-18 21:33:03,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 21:33:03,738 INFO L93 Difference]: Finished difference Result 855 states and 1161 transitions. [2018-11-18 21:33:03,738 INFO L276 IsEmpty]: Start isEmpty. Operand 855 states and 1161 transitions. [2018-11-18 21:33:03,740 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 21:33:03,740 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 21:33:03,740 INFO L74 IsIncluded]: Start isIncluded. First operand 851 states. Second operand 855 states. [2018-11-18 21:33:03,740 INFO L87 Difference]: Start difference. First operand 851 states. Second operand 855 states. [2018-11-18 21:33:03,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 21:33:03,769 INFO L93 Difference]: Finished difference Result 855 states and 1161 transitions. [2018-11-18 21:33:03,770 INFO L276 IsEmpty]: Start isEmpty. Operand 855 states and 1161 transitions. [2018-11-18 21:33:03,771 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 21:33:03,771 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 21:33:03,771 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-18 21:33:03,771 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-18 21:33:03,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 851 states. [2018-11-18 21:33:03,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 851 states to 851 states and 1158 transitions. [2018-11-18 21:33:03,811 INFO L78 Accepts]: Start accepts. Automaton has 851 states and 1158 transitions. Word has length 51 [2018-11-18 21:33:03,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 21:33:03,811 INFO L480 AbstractCegarLoop]: Abstraction has 851 states and 1158 transitions. [2018-11-18 21:33:03,811 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 21:33:03,811 INFO L276 IsEmpty]: Start isEmpty. Operand 851 states and 1158 transitions. [2018-11-18 21:33:03,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-18 21:33:03,812 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 21:33:03,812 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 21:33:03,812 INFO L423 AbstractCegarLoop]: === Iteration 19 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 21:33:03,812 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 21:33:03,812 INFO L82 PathProgramCache]: Analyzing trace with hash 1965789300, now seen corresponding path program 1 times [2018-11-18 21:33:03,813 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 21:33:03,813 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 20 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 20 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 21:33:03,829 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 21:33:03,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 21:33:03,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 21:33:03,966 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 21:33:04,027 INFO L256 TraceCheckUtils]: 0: Hoare triple {78571#true} call ULTIMATE.init(); {78571#true} is VALID [2018-11-18 21:33:04,028 INFO L273 TraceCheckUtils]: 1: Hoare triple {78571#true} ~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;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32;~routine~0 := 0bv32;~myStatus~0 := 0bv32;~pirp~0 := 0bv32;~Executive~0 := 0bv32;~Suspended~0 := 0bv32;~KernelMode~0 := 0bv32;~DeviceUsageTypePaging~0 := 0bv32; {78571#true} is VALID [2018-11-18 21:33:04,028 INFO L273 TraceCheckUtils]: 2: Hoare triple {78571#true} assume true; {78571#true} is VALID [2018-11-18 21:33:04,028 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {78571#true} {78571#true} #1497#return; {78571#true} is VALID [2018-11-18 21:33:04,028 INFO L256 TraceCheckUtils]: 4: Hoare triple {78571#true} call #t~ret176 := main(); {78571#true} is VALID [2018-11-18 21:33:04,029 INFO L273 TraceCheckUtils]: 5: Hoare triple {78571#true} havoc ~pirp__IoStatus__Status~0;~d~0 := #t~nondet150;havoc #t~nondet150;~status~9 := #t~nondet151;havoc #t~nondet151;~irp~1 := #t~nondet152;havoc #t~nondet152;~we_should_unload~0 := #t~nondet153;havoc #t~nondet153;~irp_choice~0 := #t~nondet154;havoc #t~nondet154;~devobj~0 := #t~nondet155;havoc #t~nondet155;havoc ~__cil_tmp9~1;~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;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32;~routine~0 := 0bv32;~myStatus~0 := 0bv32;~pirp~0 := 0bv32;~Executive~0 := 0bv32;~Suspended~0 := 5bv32;~KernelMode~0 := 0bv32;~DeviceUsageTypePaging~0 := 1bv32;~pirp~0 := ~irp~1; {78571#true} is VALID [2018-11-18 21:33:04,029 INFO L256 TraceCheckUtils]: 6: Hoare triple {78571#true} call _BLAST_init(); {78571#true} is VALID [2018-11-18 21:33:04,029 INFO L273 TraceCheckUtils]: 7: Hoare triple {78571#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 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32; {78571#true} is VALID [2018-11-18 21:33:04,029 INFO L273 TraceCheckUtils]: 8: Hoare triple {78571#true} assume true; {78571#true} is VALID [2018-11-18 21:33:04,029 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {78571#true} {78571#true} #1365#return; {78571#true} is VALID [2018-11-18 21:33:04,030 INFO L273 TraceCheckUtils]: 10: Hoare triple {78571#true} assume ~bvsge32(~status~9, 0bv32);~s~0 := ~NP~0;~customIrp~0 := 0bv32;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0;~pirp__IoStatus__Status~0 := 0bv32;~myStatus~0 := 0bv32; {78571#true} is VALID [2018-11-18 21:33:04,030 INFO L273 TraceCheckUtils]: 11: Hoare triple {78571#true} assume 0bv32 == ~irp_choice~0;~pirp__IoStatus__Status~0 := 3221225659bv32;~myStatus~0 := 3221225659bv32; {78571#true} is VALID [2018-11-18 21:33:04,030 INFO L256 TraceCheckUtils]: 12: Hoare triple {78571#true} call stub_driver_init(); {78571#true} is VALID [2018-11-18 21:33:04,030 INFO L273 TraceCheckUtils]: 13: Hoare triple {78571#true} ~s~0 := ~NP~0;~customIrp~0 := 0bv32;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0; {78571#true} is VALID [2018-11-18 21:33:04,030 INFO L273 TraceCheckUtils]: 14: Hoare triple {78571#true} assume true; {78571#true} is VALID [2018-11-18 21:33:04,030 INFO L268 TraceCheckUtils]: 15: Hoare quadruple {78571#true} {78571#true} #1367#return; {78571#true} is VALID [2018-11-18 21:33:04,031 INFO L273 TraceCheckUtils]: 16: Hoare triple {78571#true} assume !~bvslt32(~status~9, 0bv32);havoc ~tmp_ndt_1~0;~tmp_ndt_1~0 := #t~nondet156;havoc #t~nondet156; {78571#true} is VALID [2018-11-18 21:33:04,031 INFO L273 TraceCheckUtils]: 17: Hoare triple {78571#true} assume 2bv32 == ~tmp_ndt_1~0; {78571#true} is VALID [2018-11-18 21:33:04,031 INFO L256 TraceCheckUtils]: 18: Hoare triple {78571#true} call #t~ret159 := CdAudioDeviceControl(~devobj~0, ~pirp~0); {78571#true} is VALID [2018-11-18 21:33:04,031 INFO L273 TraceCheckUtils]: 19: Hoare triple {78571#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;~deviceExtension__Active~1 := #t~nondet26;havoc #t~nondet26;havoc ~status~3; {78571#true} is VALID [2018-11-18 21:33:04,031 INFO L273 TraceCheckUtils]: 20: Hoare triple {78571#true} assume !(2bv32 == ~deviceExtension__Active~1); {78571#true} is VALID [2018-11-18 21:33:04,031 INFO L273 TraceCheckUtils]: 21: Hoare triple {78571#true} assume 3bv32 == ~deviceExtension__Active~1; {78571#true} is VALID [2018-11-18 21:33:04,031 INFO L256 TraceCheckUtils]: 22: Hoare triple {78571#true} call #t~ret28 := CdAudio435DeviceControl(~DeviceObject, ~Irp); {78571#true} is VALID [2018-11-18 21:33:04,031 INFO L273 TraceCheckUtils]: 23: Hoare triple {78571#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;~currentIrpStack__Parameters__DeviceIoControl__IoControlCode~1 := #t~nondet94;havoc #t~nondet94;~currentIrpStack__Parameters__DeviceIoControl__OutputBufferLength~1 := #t~nondet95;havoc #t~nondet95;~currentIrpStack__Parameters__DeviceIoControl__InputBufferLength~1 := #t~nondet96;havoc #t~nondet96;~TrackData__0~0 := #t~nondet97;havoc #t~nondet97;havoc ~Irp__IoStatus__Information~1;havoc ~srb__TimeOutValue~1;havoc ~srb__CdbLength~1;~sizeof__CDROM_TOC~1 := #t~nondet98;havoc #t~nondet98;~cdaudioDataOut__LastTrack~1 := #t~nondet99;havoc #t~nondet99;~cdaudioDataOut__FirstTrack~1 := #t~nondet100;havoc #t~nondet100;~sizeof__CDROM_PLAY_AUDIO_MSF~1 := #t~nondet101;havoc #t~nondet101;~sizeof__CDROM_SEEK_AUDIO_MSF~1 := #t~nondet102;havoc #t~nondet102;~deviceExtension__Paused~0 := #t~nondet103;havoc #t~nondet103;havoc ~deviceExtension__PlayActive~1;~sizeof__SUB_Q_CHANNEL_DATA~0 := #t~nondet104;havoc #t~nondet104;~sizeof__SUB_Q_CURRENT_POSITION~1 := #t~nondet105;havoc #t~nondet105;~deviceExtension~2 := #t~nondet106;havoc #t~nondet106;~srb~2 := #t~nondet107;havoc #t~nondet107;havoc ~status~6;~i~1 := #t~nondet108;havoc #t~nondet108;havoc ~bytesTransfered~1;~Toc~1 := #t~nondet109;havoc #t~nondet109;havoc ~tmp~4;havoc ~tracksToReturn~1;havoc ~tracksOnCd~1;havoc ~tracksInBuffer~1;~SubQPtr~1 := #t~nondet110;havoc #t~nondet110;~userPtr__Format~1 := #t~nondet111;havoc #t~nondet111;~SubQPtr___0~0 := #t~nondet112;havoc #t~nondet112;havoc ~tmp___0~2;havoc ~tmp___1~1;havoc ~tmp___2~1;havoc ~__cil_tmp35~0;havoc ~__cil_tmp36~0;havoc ~__cil_tmp37~0;havoc ~__cil_tmp38~0;havoc ~__cil_tmp39~0;havoc ~__cil_tmp40~0;havoc ~__cil_tmp41~0;havoc ~__cil_tmp42~0;havoc ~__cil_tmp43~0;havoc ~__cil_tmp44~0;havoc ~__cil_tmp45~0;havoc ~__cil_tmp46~0;havoc ~__cil_tmp47~0;havoc ~__cil_tmp48~0;havoc ~__cil_tmp49~0;havoc ~__cil_tmp50~0;havoc ~__cil_tmp51~0;havoc ~__cil_tmp52~0;havoc ~__cil_tmp53~0;havoc ~__cil_tmp54~0;havoc ~__cil_tmp55~0;havoc ~__cil_tmp56~0;havoc ~__cil_tmp57~0;havoc ~__cil_tmp58~1;havoc ~__cil_tmp59~1;havoc ~__cil_tmp60~1;havoc ~__cil_tmp61~1;havoc ~__cil_tmp62~1;havoc ~__cil_tmp63~1;havoc ~__cil_tmp64~1;havoc ~__cil_tmp65~1;havoc ~__cil_tmp66~1;havoc ~__cil_tmp67~1;havoc ~__cil_tmp68~1;havoc ~__cil_tmp69~1;havoc ~__cil_tmp70~1;havoc ~__cil_tmp71~1;havoc ~__cil_tmp72~1;havoc ~__cil_tmp73~1;havoc ~__cil_tmp74~1;havoc ~__cil_tmp75~1;havoc ~__cil_tmp76~1;havoc ~__cil_tmp77~1;havoc ~__cil_tmp78~1;havoc ~__cil_tmp79~1;havoc ~__cil_tmp80~1;havoc ~__cil_tmp81~1;havoc ~__cil_tmp82~1;havoc ~__cil_tmp83~1;havoc ~__cil_tmp84~1;havoc ~__cil_tmp85~1;havoc ~__cil_tmp86~1;havoc ~__cil_tmp87~1;havoc ~__cil_tmp88~1;havoc ~__cil_tmp89~1;havoc ~__cil_tmp90~1;havoc ~__cil_tmp91~1;havoc ~__cil_tmp92~1;havoc ~__cil_tmp93~1;havoc ~__cil_tmp94~1;havoc ~__cil_tmp95~1;havoc ~__cil_tmp96~1;havoc ~__cil_tmp97~1;havoc ~__cil_tmp98~1;havoc ~__cil_tmp99~1;havoc ~__cil_tmp100~1;havoc ~__cil_tmp101~1;havoc ~__cil_tmp102~1;havoc ~__cil_tmp103~1;havoc ~__cil_tmp104~1;havoc ~__cil_tmp105~1;havoc ~__cil_tmp106~1;havoc ~__cil_tmp107~1;havoc ~__cil_tmp108~1;havoc ~__cil_tmp109~1;havoc ~__cil_tmp110~1;havoc ~__cil_tmp111~0;havoc ~__cil_tmp112~0;havoc ~__cil_tmp113~0;havoc ~__cil_tmp114~0;havoc ~__cil_tmp115~0;havoc ~__cil_tmp116~0;~__cil_tmp35~0 := 16384bv32;~__cil_tmp36~0 := 131072bv32;~__cil_tmp37~0 := 147456bv32; {78571#true} is VALID [2018-11-18 21:33:04,032 INFO L273 TraceCheckUtils]: 24: Hoare triple {78571#true} assume ~currentIrpStack__Parameters__DeviceIoControl__IoControlCode~1 == ~__cil_tmp37~0; {78571#true} is VALID [2018-11-18 21:33:04,053 INFO L273 TraceCheckUtils]: 25: Hoare triple {78571#true} assume ~bvslt32(~currentIrpStack__Parameters__DeviceIoControl__OutputBufferLength~1, ~TrackData__0~0);~status~6 := 3221225507bv32;~Irp__IoStatus__Information~1 := 0bv32; {78651#(= (_ bv3221225507 32) CdAudio435DeviceControl_~status~6)} is VALID [2018-11-18 21:33:04,067 INFO L273 TraceCheckUtils]: 26: Hoare triple {78651#(= (_ bv3221225507 32) CdAudio435DeviceControl_~status~6)} ~__cil_tmp116~0 := ~status~6; {78655#(= (bvadd CdAudio435DeviceControl_~__cil_tmp116~0 (_ bv1073741789 32)) (_ bv0 32))} is VALID [2018-11-18 21:33:04,076 INFO L273 TraceCheckUtils]: 27: Hoare triple {78655#(= (bvadd CdAudio435DeviceControl_~__cil_tmp116~0 (_ bv1073741789 32)) (_ bv0 32))} assume 2147483670bv32 == ~__cil_tmp116~0;~Irp__IoStatus__Information~1 := 0bv32; {78572#false} is VALID [2018-11-18 21:33:04,076 INFO L273 TraceCheckUtils]: 28: Hoare triple {78572#false} ~myStatus~0 := ~status~6; {78572#false} is VALID [2018-11-18 21:33:04,076 INFO L256 TraceCheckUtils]: 29: Hoare triple {78572#false} call IofCompleteRequest(~Irp, 0bv32); {78572#false} is VALID [2018-11-18 21:33:04,076 INFO L273 TraceCheckUtils]: 30: Hoare triple {78572#false} ~Irp := #in~Irp;~PriorityBoost := #in~PriorityBoost; {78572#false} is VALID [2018-11-18 21:33:04,076 INFO L273 TraceCheckUtils]: 31: Hoare triple {78572#false} assume ~s~0 == ~NP~0;~s~0 := ~DC~0; {78572#false} is VALID [2018-11-18 21:33:04,077 INFO L273 TraceCheckUtils]: 32: Hoare triple {78572#false} assume true; {78572#false} is VALID [2018-11-18 21:33:04,077 INFO L268 TraceCheckUtils]: 33: Hoare quadruple {78572#false} {78572#false} #1549#return; {78572#false} is VALID [2018-11-18 21:33:04,077 INFO L273 TraceCheckUtils]: 34: Hoare triple {78572#false} #res := ~status~6; {78572#false} is VALID [2018-11-18 21:33:04,077 INFO L273 TraceCheckUtils]: 35: Hoare triple {78572#false} assume true; {78572#false} is VALID [2018-11-18 21:33:04,077 INFO L268 TraceCheckUtils]: 36: Hoare quadruple {78572#false} {78571#true} #1489#return; {78572#false} is VALID [2018-11-18 21:33:04,077 INFO L273 TraceCheckUtils]: 37: Hoare triple {78572#false} ~status~3 := #t~ret28;havoc #t~ret28; {78572#false} is VALID [2018-11-18 21:33:04,078 INFO L273 TraceCheckUtils]: 38: Hoare triple {78572#false} #res := ~status~3; {78572#false} is VALID [2018-11-18 21:33:04,078 INFO L273 TraceCheckUtils]: 39: Hoare triple {78572#false} assume true; {78572#false} is VALID [2018-11-18 21:33:04,078 INFO L268 TraceCheckUtils]: 40: Hoare quadruple {78572#false} {78571#true} #1369#return; {78572#false} is VALID [2018-11-18 21:33:04,078 INFO L273 TraceCheckUtils]: 41: Hoare triple {78572#false} ~status~9 := #t~ret159;havoc #t~ret159; {78572#false} is VALID [2018-11-18 21:33:04,078 INFO L273 TraceCheckUtils]: 42: Hoare triple {78572#false} assume !(0bv32 != ~we_should_unload~0); {78572#false} is VALID [2018-11-18 21:33:04,078 INFO L273 TraceCheckUtils]: 43: Hoare triple {78572#false} assume !(1bv32 == ~pended~0); {78572#false} is VALID [2018-11-18 21:33:04,078 INFO L273 TraceCheckUtils]: 44: Hoare triple {78572#false} assume !(1bv32 == ~pended~0); {78572#false} is VALID [2018-11-18 21:33:04,079 INFO L273 TraceCheckUtils]: 45: Hoare triple {78572#false} assume ~s~0 != ~UNLOADED~0; {78572#false} is VALID [2018-11-18 21:33:04,079 INFO L273 TraceCheckUtils]: 46: Hoare triple {78572#false} assume 4294967295bv32 != ~status~9; {78572#false} is VALID [2018-11-18 21:33:04,079 INFO L273 TraceCheckUtils]: 47: Hoare triple {78572#false} assume ~s~0 != ~SKIP2~0; {78572#false} is VALID [2018-11-18 21:33:04,079 INFO L273 TraceCheckUtils]: 48: Hoare triple {78572#false} assume !(~s~0 != ~IPC~0); {78572#false} is VALID [2018-11-18 21:33:04,079 INFO L273 TraceCheckUtils]: 49: Hoare triple {78572#false} assume 1bv32 != ~pended~0; {78572#false} is VALID [2018-11-18 21:33:04,080 INFO L273 TraceCheckUtils]: 50: Hoare triple {78572#false} assume ~s~0 == ~DC~0; {78572#false} is VALID [2018-11-18 21:33:04,080 INFO L273 TraceCheckUtils]: 51: Hoare triple {78572#false} assume 259bv32 == ~status~9; {78572#false} is VALID [2018-11-18 21:33:04,080 INFO L256 TraceCheckUtils]: 52: Hoare triple {78572#false} call errorFn(); {78572#false} is VALID [2018-11-18 21:33:04,080 INFO L273 TraceCheckUtils]: 53: Hoare triple {78572#false} assume !false; {78572#false} is VALID [2018-11-18 21:33:04,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 21:33:04,082 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 21:33:04,086 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 21:33:04,086 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 21:33:04,087 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 54 [2018-11-18 21:33:04,087 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-18 21:33:04,087 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2018-11-18 21:33:04,165 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 54 edges. 54 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 21:33:04,165 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 21:33:04,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 21:33:04,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 21:33:04,166 INFO L87 Difference]: Start difference. First operand 851 states and 1158 transitions. Second operand 4 states. [2018-11-18 21:33:10,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 21:33:10,196 INFO L93 Difference]: Finished difference Result 890 states and 1200 transitions. [2018-11-18 21:33:10,196 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 21:33:10,196 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 54 [2018-11-18 21:33:10,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 21:33:10,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-18 21:33:10,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 712 transitions. [2018-11-18 21:33:10,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-18 21:33:10,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 712 transitions. [2018-11-18 21:33:10,206 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 712 transitions. [2018-11-18 21:33:10,913 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 712 edges. 712 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 21:33:10,958 INFO L225 Difference]: With dead ends: 890 [2018-11-18 21:33:10,959 INFO L226 Difference]: Without dead ends: 858 [2018-11-18 21:33:10,960 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 21:33:10,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 858 states. [2018-11-18 21:33:15,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 858 to 853. [2018-11-18 21:33:15,001 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-18 21:33:15,001 INFO L82 GeneralOperation]: Start isEquivalent. First operand 858 states. Second operand 853 states. [2018-11-18 21:33:15,001 INFO L74 IsIncluded]: Start isIncluded. First operand 858 states. Second operand 853 states. [2018-11-18 21:33:15,001 INFO L87 Difference]: Start difference. First operand 858 states. Second operand 853 states. [2018-11-18 21:33:15,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 21:33:15,036 INFO L93 Difference]: Finished difference Result 858 states and 1166 transitions. [2018-11-18 21:33:15,036 INFO L276 IsEmpty]: Start isEmpty. Operand 858 states and 1166 transitions. [2018-11-18 21:33:15,037 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 21:33:15,037 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 21:33:15,037 INFO L74 IsIncluded]: Start isIncluded. First operand 853 states. Second operand 858 states. [2018-11-18 21:33:15,037 INFO L87 Difference]: Start difference. First operand 853 states. Second operand 858 states. [2018-11-18 21:33:15,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 21:33:15,067 INFO L93 Difference]: Finished difference Result 858 states and 1166 transitions. [2018-11-18 21:33:15,067 INFO L276 IsEmpty]: Start isEmpty. Operand 858 states and 1166 transitions. [2018-11-18 21:33:15,068 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 21:33:15,068 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 21:33:15,068 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-18 21:33:15,068 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-18 21:33:15,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 853 states. [2018-11-18 21:33:15,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 853 states and 1160 transitions. [2018-11-18 21:33:15,100 INFO L78 Accepts]: Start accepts. Automaton has 853 states and 1160 transitions. Word has length 54 [2018-11-18 21:33:15,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 21:33:15,100 INFO L480 AbstractCegarLoop]: Abstraction has 853 states and 1160 transitions. [2018-11-18 21:33:15,100 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 21:33:15,100 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 1160 transitions. [2018-11-18 21:33:15,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-18 21:33:15,102 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 21:33:15,102 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 21:33:15,102 INFO L423 AbstractCegarLoop]: === Iteration 20 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 21:33:15,102 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 21:33:15,102 INFO L82 PathProgramCache]: Analyzing trace with hash -405949962, now seen corresponding path program 1 times [2018-11-18 21:33:15,102 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 21:33:15,103 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 21 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 21 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 21:33:15,118 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 21:33:15,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 21:33:15,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 21:33:15,261 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 21:33:15,423 INFO L256 TraceCheckUtils]: 0: Hoare triple {82737#true} call ULTIMATE.init(); {82737#true} is VALID [2018-11-18 21:33:15,424 INFO L273 TraceCheckUtils]: 1: Hoare triple {82737#true} ~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;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32;~routine~0 := 0bv32;~myStatus~0 := 0bv32;~pirp~0 := 0bv32;~Executive~0 := 0bv32;~Suspended~0 := 0bv32;~KernelMode~0 := 0bv32;~DeviceUsageTypePaging~0 := 0bv32; {82737#true} is VALID [2018-11-18 21:33:15,424 INFO L273 TraceCheckUtils]: 2: Hoare triple {82737#true} assume true; {82737#true} is VALID [2018-11-18 21:33:15,424 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {82737#true} {82737#true} #1497#return; {82737#true} is VALID [2018-11-18 21:33:15,424 INFO L256 TraceCheckUtils]: 4: Hoare triple {82737#true} call #t~ret176 := main(); {82737#true} is VALID [2018-11-18 21:33:15,425 INFO L273 TraceCheckUtils]: 5: Hoare triple {82737#true} havoc ~pirp__IoStatus__Status~0;~d~0 := #t~nondet150;havoc #t~nondet150;~status~9 := #t~nondet151;havoc #t~nondet151;~irp~1 := #t~nondet152;havoc #t~nondet152;~we_should_unload~0 := #t~nondet153;havoc #t~nondet153;~irp_choice~0 := #t~nondet154;havoc #t~nondet154;~devobj~0 := #t~nondet155;havoc #t~nondet155;havoc ~__cil_tmp9~1;~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;~compFptr~0 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32;~routine~0 := 0bv32;~myStatus~0 := 0bv32;~pirp~0 := 0bv32;~Executive~0 := 0bv32;~Suspended~0 := 5bv32;~KernelMode~0 := 0bv32;~DeviceUsageTypePaging~0 := 1bv32;~pirp~0 := ~irp~1; {82737#true} is VALID [2018-11-18 21:33:15,425 INFO L256 TraceCheckUtils]: 6: Hoare triple {82737#true} call _BLAST_init(); {82737#true} is VALID [2018-11-18 21:33:15,426 INFO L273 TraceCheckUtils]: 7: Hoare triple {82737#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 := 0bv32;~compRegistered~0 := 0bv32;~lowerDriverReturn~0 := 0bv32;~setEventCalled~0 := 0bv32;~customIrp~0 := 0bv32; {82763#(and (= (bvadd ~IPC~0 (_ bv4294967289 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-18 21:33:15,426 INFO L273 TraceCheckUtils]: 8: Hoare triple {82763#(and (= (bvadd ~IPC~0 (_ bv4294967289 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} assume true; {82763#(and (= (bvadd ~IPC~0 (_ bv4294967289 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-18 21:33:15,426 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {82763#(and (= (bvadd ~IPC~0 (_ bv4294967289 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} {82737#true} #1365#return; {82763#(and (= (bvadd ~IPC~0 (_ bv4294967289 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-18 21:33:15,427 INFO L273 TraceCheckUtils]: 10: Hoare triple {82763#(and (= (bvadd ~IPC~0 (_ bv4294967289 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} assume ~bvsge32(~status~9, 0bv32);~s~0 := ~NP~0;~customIrp~0 := 0bv32;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0;~pirp__IoStatus__Status~0 := 0bv32;~myStatus~0 := 0bv32; {82763#(and (= (bvadd ~IPC~0 (_ bv4294967289 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-18 21:33:15,427 INFO L273 TraceCheckUtils]: 11: Hoare triple {82763#(and (= (bvadd ~IPC~0 (_ bv4294967289 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} assume 0bv32 == ~irp_choice~0;~pirp__IoStatus__Status~0 := 3221225659bv32;~myStatus~0 := 3221225659bv32; {82763#(and (= (bvadd ~IPC~0 (_ bv4294967289 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-18 21:33:15,428 INFO L256 TraceCheckUtils]: 12: Hoare triple {82763#(and (= (bvadd ~IPC~0 (_ bv4294967289 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} call stub_driver_init(); {82763#(and (= (bvadd ~IPC~0 (_ bv4294967289 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-18 21:33:15,428 INFO L273 TraceCheckUtils]: 13: Hoare triple {82763#(and (= (bvadd ~IPC~0 (_ bv4294967289 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} ~s~0 := ~NP~0;~customIrp~0 := 0bv32;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0; {82763#(and (= (bvadd ~IPC~0 (_ bv4294967289 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-18 21:33:15,429 INFO L273 TraceCheckUtils]: 14: Hoare triple {82763#(and (= (bvadd ~IPC~0 (_ bv4294967289 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} assume true; {82763#(and (= (bvadd ~IPC~0 (_ bv4294967289 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-18 21:33:15,430 INFO L268 TraceCheckUtils]: 15: Hoare quadruple {82763#(and (= (bvadd ~IPC~0 (_ bv4294967289 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} {82763#(and (= (bvadd ~IPC~0 (_ bv4294967289 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} #1367#return; {82763#(and (= (bvadd ~IPC~0 (_ bv4294967289 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-18 21:33:15,430 INFO L273 TraceCheckUtils]: 16: Hoare triple {82763#(and (= (bvadd ~IPC~0 (_ bv4294967289 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} assume !~bvslt32(~status~9, 0bv32);havoc ~tmp_ndt_1~0;~tmp_ndt_1~0 := #t~nondet156;havoc #t~nondet156; {82763#(and (= (bvadd ~IPC~0 (_ bv4294967289 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-18 21:33:15,431 INFO L273 TraceCheckUtils]: 17: Hoare triple {82763#(and (= (bvadd ~IPC~0 (_ bv4294967289 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} assume 2bv32 == ~tmp_ndt_1~0; {82763#(and (= (bvadd ~IPC~0 (_ bv4294967289 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-18 21:33:15,432 INFO L256 TraceCheckUtils]: 18: Hoare triple {82763#(and (= (bvadd ~IPC~0 (_ bv4294967289 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} call #t~ret159 := CdAudioDeviceControl(~devobj~0, ~pirp~0); {82763#(and (= (bvadd ~IPC~0 (_ bv4294967289 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-18 21:33:15,433 INFO L273 TraceCheckUtils]: 19: Hoare triple {82763#(and (= (bvadd ~IPC~0 (_ bv4294967289 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;~deviceExtension__Active~1 := #t~nondet26;havoc #t~nondet26;havoc ~status~3; {82763#(and (= (bvadd ~IPC~0 (_ bv4294967289 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-18 21:33:15,433 INFO L273 TraceCheckUtils]: 20: Hoare triple {82763#(and (= (bvadd ~IPC~0 (_ bv4294967289 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} assume !(2bv32 == ~deviceExtension__Active~1); {82763#(and (= (bvadd ~IPC~0 (_ bv4294967289 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-18 21:33:15,434 INFO L273 TraceCheckUtils]: 21: Hoare triple {82763#(and (= (bvadd ~IPC~0 (_ bv4294967289 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} assume 3bv32 == ~deviceExtension__Active~1; {82763#(and (= (bvadd ~IPC~0 (_ bv4294967289 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-18 21:33:15,435 INFO L256 TraceCheckUtils]: 22: Hoare triple {82763#(and (= (bvadd ~IPC~0 (_ bv4294967289 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} call #t~ret28 := CdAudio435DeviceControl(~DeviceObject, ~Irp); {82763#(and (= (bvadd ~IPC~0 (_ bv4294967289 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-18 21:33:15,436 INFO L273 TraceCheckUtils]: 23: Hoare triple {82763#(and (= (bvadd ~IPC~0 (_ bv4294967289 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;~currentIrpStack__Parameters__DeviceIoControl__IoControlCode~1 := #t~nondet94;havoc #t~nondet94;~currentIrpStack__Parameters__DeviceIoControl__OutputBufferLength~1 := #t~nondet95;havoc #t~nondet95;~currentIrpStack__Parameters__DeviceIoControl__InputBufferLength~1 := #t~nondet96;havoc #t~nondet96;~TrackData__0~0 := #t~nondet97;havoc #t~nondet97;havoc ~Irp__IoStatus__Information~1;havoc ~srb__TimeOutValue~1;havoc ~srb__CdbLength~1;~sizeof__CDROM_TOC~1 := #t~nondet98;havoc #t~nondet98;~cdaudioDataOut__LastTrack~1 := #t~nondet99;havoc #t~nondet99;~cdaudioDataOut__FirstTrack~1 := #t~nondet100;havoc #t~nondet100;~sizeof__CDROM_PLAY_AUDIO_MSF~1 := #t~nondet101;havoc #t~nondet101;~sizeof__CDROM_SEEK_AUDIO_MSF~1 := #t~nondet102;havoc #t~nondet102;~deviceExtension__Paused~0 := #t~nondet103;havoc #t~nondet103;havoc ~deviceExtension__PlayActive~1;~sizeof__SUB_Q_CHANNEL_DATA~0 := #t~nondet104;havoc #t~nondet104;~sizeof__SUB_Q_CURRENT_POSITION~1 := #t~nondet105;havoc #t~nondet105;~deviceExtension~2 := #t~nondet106;havoc #t~nondet106;~srb~2 := #t~nondet107;havoc #t~nondet107;havoc ~status~6;~i~1 := #t~nondet108;havoc #t~nondet108;havoc ~bytesTransfered~1;~Toc~1 := #t~nondet109;havoc #t~nondet109;havoc ~tmp~4;havoc ~tracksToReturn~1;havoc ~tracksOnCd~1;havoc ~tracksInBuffer~1;~SubQPtr~1 := #t~nondet110;havoc #t~nondet110;~userPtr__Format~1 := #t~nondet111;havoc #t~nondet111;~SubQPtr___0~0 := #t~nondet112;havoc #t~nondet112;havoc ~tmp___0~2;havoc ~tmp___1~1;havoc ~tmp___2~1;havoc ~__cil_tmp35~0;havoc ~__cil_tmp36~0;havoc ~__cil_tmp37~0;havoc ~__cil_tmp38~0;havoc ~__cil_tmp39~0;havoc ~__cil_tmp40~0;havoc ~__cil_tmp41~0;havoc ~__cil_tmp42~0;havoc ~__cil_tmp43~0;havoc ~__cil_tmp44~0;havoc ~__cil_tmp45~0;havoc ~__cil_tmp46~0;havoc ~__cil_tmp47~0;havoc ~__cil_tmp48~0;havoc ~__cil_tmp49~0;havoc ~__cil_tmp50~0;havoc ~__cil_tmp51~0;havoc ~__cil_tmp52~0;havoc ~__cil_tmp53~0;havoc ~__cil_tmp54~0;havoc ~__cil_tmp55~0;havoc ~__cil_tmp56~0;havoc ~__cil_tmp57~0;havoc ~__cil_tmp58~1;havoc ~__cil_tmp59~1;havoc ~__cil_tmp60~1;havoc ~__cil_tmp61~1;havoc ~__cil_tmp62~1;havoc ~__cil_tmp63~1;havoc ~__cil_tmp64~1;havoc ~__cil_tmp65~1;havoc ~__cil_tmp66~1;havoc ~__cil_tmp67~1;havoc ~__cil_tmp68~1;havoc ~__cil_tmp69~1;havoc ~__cil_tmp70~1;havoc ~__cil_tmp71~1;havoc ~__cil_tmp72~1;havoc ~__cil_tmp73~1;havoc ~__cil_tmp74~1;havoc ~__cil_tmp75~1;havoc ~__cil_tmp76~1;havoc ~__cil_tmp77~1;havoc ~__cil_tmp78~1;havoc ~__cil_tmp79~1;havoc ~__cil_tmp80~1;havoc ~__cil_tmp81~1;havoc ~__cil_tmp82~1;havoc ~__cil_tmp83~1;havoc ~__cil_tmp84~1;havoc ~__cil_tmp85~1;havoc ~__cil_tmp86~1;havoc ~__cil_tmp87~1;havoc ~__cil_tmp88~1;havoc ~__cil_tmp89~1;havoc ~__cil_tmp90~1;havoc ~__cil_tmp91~1;havoc ~__cil_tmp92~1;havoc ~__cil_tmp93~1;havoc ~__cil_tmp94~1;havoc ~__cil_tmp95~1;havoc ~__cil_tmp96~1;havoc ~__cil_tmp97~1;havoc ~__cil_tmp98~1;havoc ~__cil_tmp99~1;havoc ~__cil_tmp100~1;havoc ~__cil_tmp101~1;havoc ~__cil_tmp102~1;havoc ~__cil_tmp103~1;havoc ~__cil_tmp104~1;havoc ~__cil_tmp105~1;havoc ~__cil_tmp106~1;havoc ~__cil_tmp107~1;havoc ~__cil_tmp108~1;havoc ~__cil_tmp109~1;havoc ~__cil_tmp110~1;havoc ~__cil_tmp111~0;havoc ~__cil_tmp112~0;havoc ~__cil_tmp113~0;havoc ~__cil_tmp114~0;havoc ~__cil_tmp115~0;havoc ~__cil_tmp116~0;~__cil_tmp35~0 := 16384bv32;~__cil_tmp36~0 := 131072bv32;~__cil_tmp37~0 := 147456bv32; {82763#(and (= (bvadd ~IPC~0 (_ bv4294967289 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-18 21:33:15,437 INFO L273 TraceCheckUtils]: 24: Hoare triple {82763#(and (= (bvadd ~IPC~0 (_ bv4294967289 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} assume ~currentIrpStack__Parameters__DeviceIoControl__IoControlCode~1 == ~__cil_tmp37~0; {82763#(and (= (bvadd ~IPC~0 (_ bv4294967289 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-18 21:33:15,438 INFO L273 TraceCheckUtils]: 25: Hoare triple {82763#(and (= (bvadd ~IPC~0 (_ bv4294967289 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} assume ~bvslt32(~currentIrpStack__Parameters__DeviceIoControl__OutputBufferLength~1, ~TrackData__0~0);~status~6 := 3221225507bv32;~Irp__IoStatus__Information~1 := 0bv32; {82763#(and (= (bvadd ~IPC~0 (_ bv4294967289 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-18 21:33:15,439 INFO L273 TraceCheckUtils]: 26: Hoare triple {82763#(and (= (bvadd ~IPC~0 (_ bv4294967289 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} ~__cil_tmp116~0 := ~status~6; {82763#(and (= (bvadd ~IPC~0 (_ bv4294967289 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-18 21:33:15,439 INFO L273 TraceCheckUtils]: 27: Hoare triple {82763#(and (= (bvadd ~IPC~0 (_ bv4294967289 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} assume !(2147483670bv32 == ~__cil_tmp116~0); {82763#(and (= (bvadd ~IPC~0 (_ bv4294967289 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-18 21:33:15,440 INFO L273 TraceCheckUtils]: 28: Hoare triple {82763#(and (= (bvadd ~IPC~0 (_ bv4294967289 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} ~myStatus~0 := ~status~6; {82763#(and (= (bvadd ~IPC~0 (_ bv4294967289 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-18 21:33:15,441 INFO L256 TraceCheckUtils]: 29: Hoare triple {82763#(and (= (bvadd ~IPC~0 (_ bv4294967289 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} call IofCompleteRequest(~Irp, 0bv32); {82763#(and (= (bvadd ~IPC~0 (_ bv4294967289 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-18 21:33:15,442 INFO L273 TraceCheckUtils]: 30: Hoare triple {82763#(and (= (bvadd ~IPC~0 (_ bv4294967289 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} ~Irp := #in~Irp;~PriorityBoost := #in~PriorityBoost; {82763#(and (= (bvadd ~IPC~0 (_ bv4294967289 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-18 21:33:15,442 INFO L273 TraceCheckUtils]: 31: Hoare triple {82763#(and (= (bvadd ~IPC~0 (_ bv4294967289 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} assume ~s~0 == ~NP~0;~s~0 := ~DC~0; {82836#(and (= ~DC~0 ~s~0) (= (bvadd ~IPC~0 (_ bv4294967289 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-18 21:33:15,443 INFO L273 TraceCheckUtils]: 32: Hoare triple {82836#(and (= ~DC~0 ~s~0) (= (bvadd ~IPC~0 (_ bv4294967289 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} assume true; {82836#(and (= ~DC~0 ~s~0) (= (bvadd ~IPC~0 (_ bv4294967289 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-18 21:33:15,444 INFO L268 TraceCheckUtils]: 33: Hoare quadruple {82836#(and (= ~DC~0 ~s~0) (= (bvadd ~IPC~0 (_ bv4294967289 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} {82763#(and (= (bvadd ~IPC~0 (_ bv4294967289 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} #1549#return; {82836#(and (= ~DC~0 ~s~0) (= (bvadd ~IPC~0 (_ bv4294967289 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-18 21:33:15,445 INFO L273 TraceCheckUtils]: 34: Hoare triple {82836#(and (= ~DC~0 ~s~0) (= (bvadd ~IPC~0 (_ bv4294967289 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} #res := ~status~6; {82836#(and (= ~DC~0 ~s~0) (= (bvadd ~IPC~0 (_ bv4294967289 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-18 21:33:15,445 INFO L273 TraceCheckUtils]: 35: Hoare triple {82836#(and (= ~DC~0 ~s~0) (= (bvadd ~IPC~0 (_ bv4294967289 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} assume true; {82836#(and (= ~DC~0 ~s~0) (= (bvadd ~IPC~0 (_ bv4294967289 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-18 21:33:15,446 INFO L268 TraceCheckUtils]: 36: Hoare quadruple {82836#(and (= ~DC~0 ~s~0) (= (bvadd ~IPC~0 (_ bv4294967289 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} {82763#(and (= (bvadd ~IPC~0 (_ bv4294967289 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} #1489#return; {82836#(and (= ~DC~0 ~s~0) (= (bvadd ~IPC~0 (_ bv4294967289 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-18 21:33:15,447 INFO L273 TraceCheckUtils]: 37: Hoare triple {82836#(and (= ~DC~0 ~s~0) (= (bvadd ~IPC~0 (_ bv4294967289 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} ~status~3 := #t~ret28;havoc #t~ret28; {82836#(and (= ~DC~0 ~s~0) (= (bvadd ~IPC~0 (_ bv4294967289 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-18 21:33:15,448 INFO L273 TraceCheckUtils]: 38: Hoare triple {82836#(and (= ~DC~0 ~s~0) (= (bvadd ~IPC~0 (_ bv4294967289 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} #res := ~status~3; {82836#(and (= ~DC~0 ~s~0) (= (bvadd ~IPC~0 (_ bv4294967289 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-18 21:33:15,449 INFO L273 TraceCheckUtils]: 39: Hoare triple {82836#(and (= ~DC~0 ~s~0) (= (bvadd ~IPC~0 (_ bv4294967289 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} assume true; {82836#(and (= ~DC~0 ~s~0) (= (bvadd ~IPC~0 (_ bv4294967289 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} is VALID [2018-11-18 21:33:15,450 INFO L268 TraceCheckUtils]: 40: Hoare quadruple {82836#(and (= ~DC~0 ~s~0) (= (bvadd ~IPC~0 (_ bv4294967289 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} {82763#(and (= (bvadd ~IPC~0 (_ bv4294967289 32)) (_ bv0 32)) (= (_ bv2 32) ~DC~0))} #1369#return; {82864#(and (= (bvadd ~IPC~0 (_ bv4294967289 32)) (_ bv0 32)) (= (_ bv2 32) ~s~0))} is VALID [2018-11-18 21:33:15,451 INFO L273 TraceCheckUtils]: 41: Hoare triple {82864#(and (= (bvadd ~IPC~0 (_ bv4294967289 32)) (_ bv0 32)) (= (_ bv2 32) ~s~0))} ~status~9 := #t~ret159;havoc #t~ret159; {82864#(and (= (bvadd ~IPC~0 (_ bv4294967289 32)) (_ bv0 32)) (= (_ bv2 32) ~s~0))} is VALID [2018-11-18 21:33:15,451 INFO L273 TraceCheckUtils]: 42: Hoare triple {82864#(and (= (bvadd ~IPC~0 (_ bv4294967289 32)) (_ bv0 32)) (= (_ bv2 32) ~s~0))} assume !(0bv32 != ~we_should_unload~0); {82864#(and (= (bvadd ~IPC~0 (_ bv4294967289 32)) (_ bv0 32)) (= (_ bv2 32) ~s~0))} is VALID [2018-11-18 21:33:15,452 INFO L273 TraceCheckUtils]: 43: Hoare triple {82864#(and (= (bvadd ~IPC~0 (_ bv4294967289 32)) (_ bv0 32)) (= (_ bv2 32) ~s~0))} assume !(1bv32 == ~pended~0); {82864#(and (= (bvadd ~IPC~0 (_ bv4294967289 32)) (_ bv0 32)) (= (_ bv2 32) ~s~0))} is VALID [2018-11-18 21:33:15,453 INFO L273 TraceCheckUtils]: 44: Hoare triple {82864#(and (= (bvadd ~IPC~0 (_ bv4294967289 32)) (_ bv0 32)) (= (_ bv2 32) ~s~0))} assume !(1bv32 == ~pended~0); {82864#(and (= (bvadd ~IPC~0 (_ bv4294967289 32)) (_ bv0 32)) (= (_ bv2 32) ~s~0))} is VALID [2018-11-18 21:33:15,453 INFO L273 TraceCheckUtils]: 45: Hoare triple {82864#(and (= (bvadd ~IPC~0 (_ bv4294967289 32)) (_ bv0 32)) (= (_ bv2 32) ~s~0))} assume ~s~0 != ~UNLOADED~0; {82864#(and (= (bvadd ~IPC~0 (_ bv4294967289 32)) (_ bv0 32)) (= (_ bv2 32) ~s~0))} is VALID [2018-11-18 21:33:15,454 INFO L273 TraceCheckUtils]: 46: Hoare triple {82864#(and (= (bvadd ~IPC~0 (_ bv4294967289 32)) (_ bv0 32)) (= (_ bv2 32) ~s~0))} assume 4294967295bv32 != ~status~9; {82864#(and (= (bvadd ~IPC~0 (_ bv4294967289 32)) (_ bv0 32)) (= (_ bv2 32) ~s~0))} is VALID [2018-11-18 21:33:15,455 INFO L273 TraceCheckUtils]: 47: Hoare triple {82864#(and (= (bvadd ~IPC~0 (_ bv4294967289 32)) (_ bv0 32)) (= (_ bv2 32) ~s~0))} assume ~s~0 != ~SKIP2~0; {82864#(and (= (bvadd ~IPC~0 (_ bv4294967289 32)) (_ bv0 32)) (= (_ bv2 32) ~s~0))} is VALID [2018-11-18 21:33:15,455 INFO L273 TraceCheckUtils]: 48: Hoare triple {82864#(and (= (bvadd ~IPC~0 (_ bv4294967289 32)) (_ bv0 32)) (= (_ bv2 32) ~s~0))} assume !(~s~0 != ~IPC~0); {82738#false} is VALID [2018-11-18 21:33:15,456 INFO L273 TraceCheckUtils]: 49: Hoare triple {82738#false} assume 1bv32 != ~pended~0; {82738#false} is VALID [2018-11-18 21:33:15,456 INFO L273 TraceCheckUtils]: 50: Hoare triple {82738#false} assume ~s~0 == ~DC~0; {82738#false} is VALID [2018-11-18 21:33:15,456 INFO L273 TraceCheckUtils]: 51: Hoare triple {82738#false} assume 259bv32 == ~status~9; {82738#false} is VALID [2018-11-18 21:33:15,456 INFO L256 TraceCheckUtils]: 52: Hoare triple {82738#false} call errorFn(); {82738#false} is VALID [2018-11-18 21:33:15,456 INFO L273 TraceCheckUtils]: 53: Hoare triple {82738#false} assume !false; {82738#false} is VALID [2018-11-18 21:33:15,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 21:33:15,464 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 21:33:15,465 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 21:33:15,466 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 21:33:15,466 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2018-11-18 21:33:15,466 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-18 21:33:15,466 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2018-11-18 21:33:15,546 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 54 edges. 54 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 21:33:15,546 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 21:33:15,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 21:33:15,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 21:33:15,547 INFO L87 Difference]: Start difference. First operand 853 states and 1160 transitions. Second operand 5 states.