java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 03:05:25,158 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 03:05:25,160 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 03:05:25,180 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 03:05:25,180 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 03:05:25,182 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 03:05:25,184 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 03:05:25,197 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 03:05:25,198 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 03:05:25,199 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 03:05:25,204 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 03:05:25,205 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 03:05:25,206 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 03:05:25,209 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 03:05:25,210 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 03:05:25,211 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 03:05:25,216 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 03:05:25,219 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 03:05:25,222 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 03:05:25,226 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 03:05:25,230 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 03:05:25,231 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 03:05:25,232 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 03:05:25,233 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 03:05:25,237 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 03:05:25,237 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 03:05:25,238 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 03:05:25,239 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 03:05:25,241 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 03:05:25,242 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 03:05:25,243 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 03:05:25,245 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 03:05:25,246 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 03:05:25,246 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 03:05:25,248 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 03:05:25,248 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 03:05:25,249 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 03:05:25,249 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 03:05:25,250 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 03:05:25,252 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 03:05:25,255 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 03:05:25,257 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 03:05:25,278 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 03:05:25,278 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 03:05:25,280 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 03:05:25,281 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 03:05:25,281 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 03:05:25,281 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 03:05:25,281 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 03:05:25,282 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 03:05:25,282 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 03:05:25,282 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 03:05:25,283 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 03:05:25,283 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 03:05:25,284 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 03:05:25,284 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 03:05:25,284 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 03:05:25,284 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 03:05:25,285 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 03:05:25,285 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 03:05:25,285 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 03:05:25,285 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 03:05:25,285 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 03:05:25,286 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:05:25,286 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 03:05:25,286 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 03:05:25,286 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 03:05:25,286 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 03:05:25,287 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 03:05:25,287 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 03:05:25,287 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-15 03:05:25,593 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 03:05:25,614 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 03:05:25,617 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 03:05:25,619 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 03:05:25,619 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 03:05:25,620 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c [2019-10-15 03:05:25,694 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d4a68cd5/b2ac47f5ebbe4a06a6c3a4392754512e/FLAGf72ae7367 [2019-10-15 03:05:26,260 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 03:05:26,261 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c [2019-10-15 03:05:26,277 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d4a68cd5/b2ac47f5ebbe4a06a6c3a4392754512e/FLAGf72ae7367 [2019-10-15 03:05:26,563 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d4a68cd5/b2ac47f5ebbe4a06a6c3a4392754512e [2019-10-15 03:05:26,576 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 03:05:26,578 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 03:05:26,579 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 03:05:26,579 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 03:05:26,582 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 03:05:26,583 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:05:26" (1/1) ... [2019-10-15 03:05:26,586 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@746ac087 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:05:26, skipping insertion in model container [2019-10-15 03:05:26,587 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:05:26" (1/1) ... [2019-10-15 03:05:26,595 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 03:05:26,654 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 03:05:26,939 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:05:26,945 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 03:05:27,124 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:05:27,145 INFO L192 MainTranslator]: Completed translation [2019-10-15 03:05:27,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:05:27 WrapperNode [2019-10-15 03:05:27,146 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 03:05:27,147 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 03:05:27,147 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 03:05:27,147 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 03:05:27,163 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:05:27" (1/1) ... [2019-10-15 03:05:27,163 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:05:27" (1/1) ... [2019-10-15 03:05:27,178 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:05:27" (1/1) ... [2019-10-15 03:05:27,179 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:05:27" (1/1) ... [2019-10-15 03:05:27,198 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:05:27" (1/1) ... [2019-10-15 03:05:27,211 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:05:27" (1/1) ... [2019-10-15 03:05:27,215 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:05:27" (1/1) ... [2019-10-15 03:05:27,222 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 03:05:27,223 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 03:05:27,223 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 03:05:27,223 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 03:05:27,224 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:05:27" (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 [2019-10-15 03:05:27,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 03:05:27,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 03:05:27,286 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2019-10-15 03:05:27,286 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2019-10-15 03:05:27,286 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_PnP [2019-10-15 03:05:27,286 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 03:05:27,287 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2019-10-15 03:05:27,287 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2019-10-15 03:05:27,288 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2019-10-15 03:05:27,289 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2019-10-15 03:05:27,289 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2019-10-15 03:05:27,292 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Complete [2019-10-15 03:05:27,292 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_CreateClose [2019-10-15 03:05:27,292 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_DispatchPassThrough [2019-10-15 03:05:27,292 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Power [2019-10-15 03:05:27,292 INFO L138 BoogieDeclarations]: Found implementation of procedure PoCallDriver [2019-10-15 03:05:27,295 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_InternIoCtl [2019-10-15 03:05:27,295 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2019-10-15 03:05:27,295 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 03:05:27,295 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-10-15 03:05:27,296 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 03:05:27,296 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-15 03:05:27,296 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-15 03:05:27,296 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_PnP [2019-10-15 03:05:27,296 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2019-10-15 03:05:27,297 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2019-10-15 03:05:27,298 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2019-10-15 03:05:27,298 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Complete [2019-10-15 03:05:27,298 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_CreateClose [2019-10-15 03:05:27,298 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_DispatchPassThrough [2019-10-15 03:05:27,299 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Power [2019-10-15 03:05:27,299 INFO L130 BoogieDeclarations]: Found specification of procedure PoCallDriver [2019-10-15 03:05:27,299 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_InternIoCtl [2019-10-15 03:05:27,299 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2019-10-15 03:05:27,299 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2019-10-15 03:05:27,300 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2019-10-15 03:05:27,300 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2019-10-15 03:05:27,300 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 03:05:27,300 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2019-10-15 03:05:27,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 03:05:27,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 03:05:27,624 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-15 03:05:27,730 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2019-10-15 03:05:27,730 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2019-10-15 03:05:27,747 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-15 03:05:27,901 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2019-10-15 03:05:27,901 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2019-10-15 03:05:27,902 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-15 03:05:27,958 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-10-15 03:05:27,959 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-10-15 03:05:27,970 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-15 03:05:28,016 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-10-15 03:05:28,016 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-10-15 03:05:28,149 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-15 03:05:28,170 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2019-10-15 03:05:28,170 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2019-10-15 03:05:28,200 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-15 03:05:28,325 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume false; [2019-10-15 03:05:28,326 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##44: assume !false; [2019-10-15 03:05:28,921 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 03:05:28,922 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-15 03:05:28,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:05:28 BoogieIcfgContainer [2019-10-15 03:05:28,924 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 03:05:28,926 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 03:05:28,926 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 03:05:28,929 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 03:05:28,930 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 03:05:26" (1/3) ... [2019-10-15 03:05:28,931 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4265a767 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:05:28, skipping insertion in model container [2019-10-15 03:05:28,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:05:27" (2/3) ... [2019-10-15 03:05:28,931 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4265a767 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:05:28, skipping insertion in model container [2019-10-15 03:05:28,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:05:28" (3/3) ... [2019-10-15 03:05:28,934 INFO L109 eAbstractionObserver]: Analyzing ICFG kbfiltr_simpl2.cil-2.c [2019-10-15 03:05:28,944 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 03:05:28,953 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 03:05:28,969 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 03:05:29,000 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 03:05:29,000 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 03:05:29,001 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 03:05:29,001 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 03:05:29,001 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 03:05:29,001 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 03:05:29,002 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 03:05:29,002 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 03:05:29,029 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states. [2019-10-15 03:05:29,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-15 03:05:29,040 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:29,041 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:05:29,043 INFO L410 AbstractCegarLoop]: === Iteration 1 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:29,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:29,049 INFO L82 PathProgramCache]: Analyzing trace with hash -1719877792, now seen corresponding path program 1 times [2019-10-15 03:05:29,058 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:29,059 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649292482] [2019-10-15 03:05:29,059 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:29,060 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:29,060 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:29,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:29,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:05:29,282 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649292482] [2019-10-15 03:05:29,283 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:29,283 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:05:29,283 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726512372] [2019-10-15 03:05:29,288 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:05:29,288 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:29,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:05:29,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:05:29,306 INFO L87 Difference]: Start difference. First operand 175 states. Second operand 3 states. [2019-10-15 03:05:29,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:29,418 INFO L93 Difference]: Finished difference Result 297 states and 440 transitions. [2019-10-15 03:05:29,418 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:05:29,420 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2019-10-15 03:05:29,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:29,435 INFO L225 Difference]: With dead ends: 297 [2019-10-15 03:05:29,435 INFO L226 Difference]: Without dead ends: 169 [2019-10-15 03:05:29,441 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:05:29,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2019-10-15 03:05:29,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 169. [2019-10-15 03:05:29,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2019-10-15 03:05:29,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 225 transitions. [2019-10-15 03:05:29,512 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 225 transitions. Word has length 18 [2019-10-15 03:05:29,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:29,512 INFO L462 AbstractCegarLoop]: Abstraction has 169 states and 225 transitions. [2019-10-15 03:05:29,513 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:05:29,513 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 225 transitions. [2019-10-15 03:05:29,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-15 03:05:29,515 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:29,515 INFO L380 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] [2019-10-15 03:05:29,515 INFO L410 AbstractCegarLoop]: === Iteration 2 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:29,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:29,516 INFO L82 PathProgramCache]: Analyzing trace with hash -1716978047, now seen corresponding path program 1 times [2019-10-15 03:05:29,516 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:29,516 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487338864] [2019-10-15 03:05:29,517 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:29,517 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:29,517 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:29,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:29,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:05:29,779 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487338864] [2019-10-15 03:05:29,779 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:29,779 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:05:29,780 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015522438] [2019-10-15 03:05:29,782 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:05:29,782 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:29,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:05:29,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:05:29,783 INFO L87 Difference]: Start difference. First operand 169 states and 225 transitions. Second operand 3 states. [2019-10-15 03:05:29,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:29,960 INFO L93 Difference]: Finished difference Result 238 states and 312 transitions. [2019-10-15 03:05:29,961 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:05:29,961 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2019-10-15 03:05:29,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:29,964 INFO L225 Difference]: With dead ends: 238 [2019-10-15 03:05:29,964 INFO L226 Difference]: Without dead ends: 187 [2019-10-15 03:05:29,966 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:05:29,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2019-10-15 03:05:29,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 185. [2019-10-15 03:05:29,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2019-10-15 03:05:29,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 239 transitions. [2019-10-15 03:05:29,991 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 239 transitions. Word has length 22 [2019-10-15 03:05:29,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:29,991 INFO L462 AbstractCegarLoop]: Abstraction has 185 states and 239 transitions. [2019-10-15 03:05:29,992 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:05:29,992 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 239 transitions. [2019-10-15 03:05:29,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-15 03:05:29,993 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:29,994 INFO L380 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] [2019-10-15 03:05:29,994 INFO L410 AbstractCegarLoop]: === Iteration 3 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:29,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:29,994 INFO L82 PathProgramCache]: Analyzing trace with hash -1686721400, now seen corresponding path program 1 times [2019-10-15 03:05:29,995 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:29,995 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801680744] [2019-10-15 03:05:29,995 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:29,996 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:29,996 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:30,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:30,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:05:30,097 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801680744] [2019-10-15 03:05:30,098 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:30,098 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:05:30,098 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375669731] [2019-10-15 03:05:30,099 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:05:30,100 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:30,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:05:30,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:05:30,101 INFO L87 Difference]: Start difference. First operand 185 states and 239 transitions. Second operand 3 states. [2019-10-15 03:05:30,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:30,193 INFO L93 Difference]: Finished difference Result 292 states and 374 transitions. [2019-10-15 03:05:30,193 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:05:30,193 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2019-10-15 03:05:30,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:30,196 INFO L225 Difference]: With dead ends: 292 [2019-10-15 03:05:30,196 INFO L226 Difference]: Without dead ends: 223 [2019-10-15 03:05:30,197 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:05:30,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2019-10-15 03:05:30,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 200. [2019-10-15 03:05:30,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2019-10-15 03:05:30,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 255 transitions. [2019-10-15 03:05:30,216 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 255 transitions. Word has length 23 [2019-10-15 03:05:30,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:30,216 INFO L462 AbstractCegarLoop]: Abstraction has 200 states and 255 transitions. [2019-10-15 03:05:30,216 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:05:30,217 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 255 transitions. [2019-10-15 03:05:30,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-10-15 03:05:30,219 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:30,219 INFO L380 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] [2019-10-15 03:05:30,219 INFO L410 AbstractCegarLoop]: === Iteration 4 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:30,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:30,220 INFO L82 PathProgramCache]: Analyzing trace with hash 791530077, now seen corresponding path program 1 times [2019-10-15 03:05:30,220 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:30,220 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073865761] [2019-10-15 03:05:30,221 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:30,221 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:30,221 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:30,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:30,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:05:30,312 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073865761] [2019-10-15 03:05:30,312 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:30,313 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:05:30,313 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329466918] [2019-10-15 03:05:30,313 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:05:30,314 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:30,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:05:30,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:05:30,315 INFO L87 Difference]: Start difference. First operand 200 states and 255 transitions. Second operand 3 states. [2019-10-15 03:05:30,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:30,432 INFO L93 Difference]: Finished difference Result 203 states and 257 transitions. [2019-10-15 03:05:30,432 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:05:30,433 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2019-10-15 03:05:30,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:30,435 INFO L225 Difference]: With dead ends: 203 [2019-10-15 03:05:30,435 INFO L226 Difference]: Without dead ends: 199 [2019-10-15 03:05:30,436 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:05:30,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2019-10-15 03:05:30,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 199. [2019-10-15 03:05:30,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 199 states. [2019-10-15 03:05:30,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 252 transitions. [2019-10-15 03:05:30,455 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 252 transitions. Word has length 30 [2019-10-15 03:05:30,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:30,455 INFO L462 AbstractCegarLoop]: Abstraction has 199 states and 252 transitions. [2019-10-15 03:05:30,455 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:05:30,455 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 252 transitions. [2019-10-15 03:05:30,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-10-15 03:05:30,458 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:30,458 INFO L380 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] [2019-10-15 03:05:30,458 INFO L410 AbstractCegarLoop]: === Iteration 5 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:30,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:30,459 INFO L82 PathProgramCache]: Analyzing trace with hash 851206170, now seen corresponding path program 1 times [2019-10-15 03:05:30,459 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:30,459 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611220905] [2019-10-15 03:05:30,460 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:30,460 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:30,460 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:30,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:30,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:05:30,551 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611220905] [2019-10-15 03:05:30,551 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:30,551 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 03:05:30,552 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904929634] [2019-10-15 03:05:30,552 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 03:05:30,552 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:30,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 03:05:30,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 03:05:30,553 INFO L87 Difference]: Start difference. First operand 199 states and 252 transitions. Second operand 4 states. [2019-10-15 03:05:30,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:30,713 INFO L93 Difference]: Finished difference Result 247 states and 306 transitions. [2019-10-15 03:05:30,713 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-15 03:05:30,713 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 37 [2019-10-15 03:05:30,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:30,717 INFO L225 Difference]: With dead ends: 247 [2019-10-15 03:05:30,717 INFO L226 Difference]: Without dead ends: 197 [2019-10-15 03:05:30,718 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 03:05:30,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2019-10-15 03:05:30,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 177. [2019-10-15 03:05:30,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states. [2019-10-15 03:05:30,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 220 transitions. [2019-10-15 03:05:30,739 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 220 transitions. Word has length 37 [2019-10-15 03:05:30,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:30,740 INFO L462 AbstractCegarLoop]: Abstraction has 177 states and 220 transitions. [2019-10-15 03:05:30,740 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 03:05:30,740 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 220 transitions. [2019-10-15 03:05:30,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-10-15 03:05:30,742 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:30,742 INFO L380 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] [2019-10-15 03:05:30,742 INFO L410 AbstractCegarLoop]: === Iteration 6 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:30,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:30,743 INFO L82 PathProgramCache]: Analyzing trace with hash -109113502, now seen corresponding path program 1 times [2019-10-15 03:05:30,743 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:30,743 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53083721] [2019-10-15 03:05:30,743 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:30,743 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:30,743 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:30,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:30,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:05:30,785 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53083721] [2019-10-15 03:05:30,785 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:30,785 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:05:30,785 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845195534] [2019-10-15 03:05:30,786 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:05:30,786 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:30,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:05:30,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:05:30,787 INFO L87 Difference]: Start difference. First operand 177 states and 220 transitions. Second operand 3 states. [2019-10-15 03:05:30,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:30,810 INFO L93 Difference]: Finished difference Result 189 states and 235 transitions. [2019-10-15 03:05:30,810 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:05:30,810 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2019-10-15 03:05:30,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:30,812 INFO L225 Difference]: With dead ends: 189 [2019-10-15 03:05:30,812 INFO L226 Difference]: Without dead ends: 173 [2019-10-15 03:05:30,813 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:05:30,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2019-10-15 03:05:30,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2019-10-15 03:05:30,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2019-10-15 03:05:30,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 213 transitions. [2019-10-15 03:05:30,823 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 213 transitions. Word has length 40 [2019-10-15 03:05:30,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:30,824 INFO L462 AbstractCegarLoop]: Abstraction has 173 states and 213 transitions. [2019-10-15 03:05:30,824 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:05:30,824 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 213 transitions. [2019-10-15 03:05:30,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-10-15 03:05:30,825 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:30,825 INFO L380 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] [2019-10-15 03:05:30,826 INFO L410 AbstractCegarLoop]: === Iteration 7 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:30,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:30,826 INFO L82 PathProgramCache]: Analyzing trace with hash -748889548, now seen corresponding path program 1 times [2019-10-15 03:05:30,826 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:30,827 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882561588] [2019-10-15 03:05:30,827 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:30,827 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:30,827 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:30,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:30,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:05:30,892 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882561588] [2019-10-15 03:05:30,892 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:30,892 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:05:30,892 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140343982] [2019-10-15 03:05:30,893 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:05:30,893 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:30,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:05:30,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:05:30,895 INFO L87 Difference]: Start difference. First operand 173 states and 213 transitions. Second operand 3 states. [2019-10-15 03:05:30,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:30,985 INFO L93 Difference]: Finished difference Result 217 states and 265 transitions. [2019-10-15 03:05:30,985 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:05:30,985 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2019-10-15 03:05:30,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:30,987 INFO L225 Difference]: With dead ends: 217 [2019-10-15 03:05:30,988 INFO L226 Difference]: Without dead ends: 171 [2019-10-15 03:05:30,988 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:05:30,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2019-10-15 03:05:31,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 171. [2019-10-15 03:05:31,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2019-10-15 03:05:31,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 209 transitions. [2019-10-15 03:05:31,002 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 209 transitions. Word has length 44 [2019-10-15 03:05:31,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:31,003 INFO L462 AbstractCegarLoop]: Abstraction has 171 states and 209 transitions. [2019-10-15 03:05:31,003 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:05:31,003 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 209 transitions. [2019-10-15 03:05:31,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-10-15 03:05:31,005 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:31,005 INFO L380 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] [2019-10-15 03:05:31,005 INFO L410 AbstractCegarLoop]: === Iteration 8 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:31,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:31,005 INFO L82 PathProgramCache]: Analyzing trace with hash 920770954, now seen corresponding path program 1 times [2019-10-15 03:05:31,006 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:31,006 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981714411] [2019-10-15 03:05:31,006 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:31,006 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:31,006 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:31,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:31,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:05:31,185 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981714411] [2019-10-15 03:05:31,186 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:31,186 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-15 03:05:31,186 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866620499] [2019-10-15 03:05:31,186 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-15 03:05:31,187 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:31,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-15 03:05:31,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-10-15 03:05:31,189 INFO L87 Difference]: Start difference. First operand 171 states and 209 transitions. Second operand 10 states. [2019-10-15 03:05:32,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:32,283 INFO L93 Difference]: Finished difference Result 221 states and 268 transitions. [2019-10-15 03:05:32,284 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-10-15 03:05:32,284 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 41 [2019-10-15 03:05:32,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:32,286 INFO L225 Difference]: With dead ends: 221 [2019-10-15 03:05:32,286 INFO L226 Difference]: Without dead ends: 215 [2019-10-15 03:05:32,287 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2019-10-15 03:05:32,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2019-10-15 03:05:32,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 199. [2019-10-15 03:05:32,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 199 states. [2019-10-15 03:05:32,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 242 transitions. [2019-10-15 03:05:32,307 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 242 transitions. Word has length 41 [2019-10-15 03:05:32,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:32,308 INFO L462 AbstractCegarLoop]: Abstraction has 199 states and 242 transitions. [2019-10-15 03:05:32,308 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-15 03:05:32,308 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 242 transitions. [2019-10-15 03:05:32,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-15 03:05:32,309 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:32,310 INFO L380 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] [2019-10-15 03:05:32,310 INFO L410 AbstractCegarLoop]: === Iteration 9 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:32,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:32,310 INFO L82 PathProgramCache]: Analyzing trace with hash -642329821, now seen corresponding path program 1 times [2019-10-15 03:05:32,311 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:32,311 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201268151] [2019-10-15 03:05:32,311 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:32,311 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:32,312 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:32,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:32,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:05:32,429 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201268151] [2019-10-15 03:05:32,429 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:32,429 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-15 03:05:32,430 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248050691] [2019-10-15 03:05:32,430 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-15 03:05:32,430 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:32,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-15 03:05:32,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2019-10-15 03:05:32,431 INFO L87 Difference]: Start difference. First operand 199 states and 242 transitions. Second operand 9 states. [2019-10-15 03:05:33,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:33,273 INFO L93 Difference]: Finished difference Result 207 states and 250 transitions. [2019-10-15 03:05:33,274 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-15 03:05:33,274 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 42 [2019-10-15 03:05:33,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:33,277 INFO L225 Difference]: With dead ends: 207 [2019-10-15 03:05:33,277 INFO L226 Difference]: Without dead ends: 171 [2019-10-15 03:05:33,278 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=80, Invalid=262, Unknown=0, NotChecked=0, Total=342 [2019-10-15 03:05:33,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2019-10-15 03:05:33,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 171. [2019-10-15 03:05:33,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2019-10-15 03:05:33,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 207 transitions. [2019-10-15 03:05:33,305 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 207 transitions. Word has length 42 [2019-10-15 03:05:33,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:33,306 INFO L462 AbstractCegarLoop]: Abstraction has 171 states and 207 transitions. [2019-10-15 03:05:33,306 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-15 03:05:33,306 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 207 transitions. [2019-10-15 03:05:33,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-15 03:05:33,308 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:33,308 INFO L380 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] [2019-10-15 03:05:33,309 INFO L410 AbstractCegarLoop]: === Iteration 10 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:33,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:33,309 INFO L82 PathProgramCache]: Analyzing trace with hash -154178979, now seen corresponding path program 1 times [2019-10-15 03:05:33,309 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:33,310 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293799743] [2019-10-15 03:05:33,310 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:33,310 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:33,310 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:33,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:33,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:05:33,442 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293799743] [2019-10-15 03:05:33,442 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:33,442 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 03:05:33,443 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024754160] [2019-10-15 03:05:33,445 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 03:05:33,445 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:33,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 03:05:33,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-15 03:05:33,446 INFO L87 Difference]: Start difference. First operand 171 states and 207 transitions. Second operand 7 states. [2019-10-15 03:05:34,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:34,028 INFO L93 Difference]: Finished difference Result 207 states and 249 transitions. [2019-10-15 03:05:34,028 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-15 03:05:34,028 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 42 [2019-10-15 03:05:34,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:34,030 INFO L225 Difference]: With dead ends: 207 [2019-10-15 03:05:34,033 INFO L226 Difference]: Without dead ends: 171 [2019-10-15 03:05:34,033 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2019-10-15 03:05:34,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2019-10-15 03:05:34,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 171. [2019-10-15 03:05:34,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2019-10-15 03:05:34,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 205 transitions. [2019-10-15 03:05:34,056 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 205 transitions. Word has length 42 [2019-10-15 03:05:34,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:34,057 INFO L462 AbstractCegarLoop]: Abstraction has 171 states and 205 transitions. [2019-10-15 03:05:34,057 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 03:05:34,057 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 205 transitions. [2019-10-15 03:05:34,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-15 03:05:34,059 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:34,059 INFO L380 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] [2019-10-15 03:05:34,059 INFO L410 AbstractCegarLoop]: === Iteration 11 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:34,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:34,060 INFO L82 PathProgramCache]: Analyzing trace with hash -160517261, now seen corresponding path program 1 times [2019-10-15 03:05:34,060 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:34,060 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124775910] [2019-10-15 03:05:34,060 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:34,060 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:34,061 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:34,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:34,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:05:34,126 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124775910] [2019-10-15 03:05:34,126 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:34,127 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:05:34,127 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522324008] [2019-10-15 03:05:34,127 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:05:34,127 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:34,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:05:34,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:05:34,128 INFO L87 Difference]: Start difference. First operand 171 states and 205 transitions. Second operand 3 states. [2019-10-15 03:05:34,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:34,194 INFO L93 Difference]: Finished difference Result 190 states and 225 transitions. [2019-10-15 03:05:34,194 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:05:34,194 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 42 [2019-10-15 03:05:34,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:34,196 INFO L225 Difference]: With dead ends: 190 [2019-10-15 03:05:34,196 INFO L226 Difference]: Without dead ends: 155 [2019-10-15 03:05:34,196 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:05:34,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2019-10-15 03:05:34,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2019-10-15 03:05:34,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2019-10-15 03:05:34,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 183 transitions. [2019-10-15 03:05:34,209 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 183 transitions. Word has length 42 [2019-10-15 03:05:34,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:34,209 INFO L462 AbstractCegarLoop]: Abstraction has 155 states and 183 transitions. [2019-10-15 03:05:34,209 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:05:34,209 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 183 transitions. [2019-10-15 03:05:34,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-15 03:05:34,211 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:34,211 INFO L380 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] [2019-10-15 03:05:34,211 INFO L410 AbstractCegarLoop]: === Iteration 12 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:34,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:34,211 INFO L82 PathProgramCache]: Analyzing trace with hash -999521316, now seen corresponding path program 1 times [2019-10-15 03:05:34,212 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:34,212 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239294906] [2019-10-15 03:05:34,212 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:34,212 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:34,212 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:34,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:34,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:05:34,294 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239294906] [2019-10-15 03:05:34,294 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:34,294 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 03:05:34,297 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357864873] [2019-10-15 03:05:34,298 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 03:05:34,298 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:34,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 03:05:34,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 03:05:34,298 INFO L87 Difference]: Start difference. First operand 155 states and 183 transitions. Second operand 5 states. [2019-10-15 03:05:34,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:34,316 INFO L93 Difference]: Finished difference Result 176 states and 206 transitions. [2019-10-15 03:05:34,319 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-15 03:05:34,319 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 46 [2019-10-15 03:05:34,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:34,321 INFO L225 Difference]: With dead ends: 176 [2019-10-15 03:05:34,321 INFO L226 Difference]: Without dead ends: 153 [2019-10-15 03:05:34,324 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 03:05:34,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2019-10-15 03:05:34,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2019-10-15 03:05:34,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2019-10-15 03:05:34,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 180 transitions. [2019-10-15 03:05:34,338 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 180 transitions. Word has length 46 [2019-10-15 03:05:34,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:34,338 INFO L462 AbstractCegarLoop]: Abstraction has 153 states and 180 transitions. [2019-10-15 03:05:34,338 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 03:05:34,339 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 180 transitions. [2019-10-15 03:05:34,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-15 03:05:34,341 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:34,341 INFO L380 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] [2019-10-15 03:05:34,341 INFO L410 AbstractCegarLoop]: === Iteration 13 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:34,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:34,342 INFO L82 PathProgramCache]: Analyzing trace with hash 620071237, now seen corresponding path program 1 times [2019-10-15 03:05:34,342 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:34,342 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204433617] [2019-10-15 03:05:34,342 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:34,342 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:34,343 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:34,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:34,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:05:34,450 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204433617] [2019-10-15 03:05:34,450 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:34,450 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-15 03:05:34,450 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024923243] [2019-10-15 03:05:34,451 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 03:05:34,451 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:34,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 03:05:34,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-15 03:05:34,451 INFO L87 Difference]: Start difference. First operand 153 states and 180 transitions. Second operand 8 states. [2019-10-15 03:05:34,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:34,622 INFO L93 Difference]: Finished difference Result 165 states and 192 transitions. [2019-10-15 03:05:34,622 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 03:05:34,622 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 43 [2019-10-15 03:05:34,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:34,624 INFO L225 Difference]: With dead ends: 165 [2019-10-15 03:05:34,624 INFO L226 Difference]: Without dead ends: 137 [2019-10-15 03:05:34,625 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-10-15 03:05:34,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2019-10-15 03:05:34,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2019-10-15 03:05:34,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2019-10-15 03:05:34,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 163 transitions. [2019-10-15 03:05:34,641 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 163 transitions. Word has length 43 [2019-10-15 03:05:34,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:34,642 INFO L462 AbstractCegarLoop]: Abstraction has 137 states and 163 transitions. [2019-10-15 03:05:34,642 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 03:05:34,642 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 163 transitions. [2019-10-15 03:05:34,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-10-15 03:05:34,643 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:34,643 INFO L380 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] [2019-10-15 03:05:34,643 INFO L410 AbstractCegarLoop]: === Iteration 14 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:34,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:34,644 INFO L82 PathProgramCache]: Analyzing trace with hash 349639682, now seen corresponding path program 1 times [2019-10-15 03:05:34,644 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:34,644 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131894285] [2019-10-15 03:05:34,644 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:34,644 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:34,645 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:34,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:34,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:05:34,886 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131894285] [2019-10-15 03:05:34,886 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:34,889 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-15 03:05:34,889 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231924257] [2019-10-15 03:05:34,890 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-15 03:05:34,890 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:34,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-15 03:05:34,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-15 03:05:34,891 INFO L87 Difference]: Start difference. First operand 137 states and 163 transitions. Second operand 9 states. [2019-10-15 03:05:35,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:35,150 INFO L93 Difference]: Finished difference Result 152 states and 178 transitions. [2019-10-15 03:05:35,150 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-15 03:05:35,150 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 45 [2019-10-15 03:05:35,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:35,151 INFO L225 Difference]: With dead ends: 152 [2019-10-15 03:05:35,152 INFO L226 Difference]: Without dead ends: 133 [2019-10-15 03:05:35,153 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2019-10-15 03:05:35,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2019-10-15 03:05:35,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2019-10-15 03:05:35,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2019-10-15 03:05:35,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 157 transitions. [2019-10-15 03:05:35,170 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 157 transitions. Word has length 45 [2019-10-15 03:05:35,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:35,170 INFO L462 AbstractCegarLoop]: Abstraction has 133 states and 157 transitions. [2019-10-15 03:05:35,171 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-15 03:05:35,171 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 157 transitions. [2019-10-15 03:05:35,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-15 03:05:35,173 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:35,173 INFO L380 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] [2019-10-15 03:05:35,174 INFO L410 AbstractCegarLoop]: === Iteration 15 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:35,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:35,174 INFO L82 PathProgramCache]: Analyzing trace with hash -917570200, now seen corresponding path program 1 times [2019-10-15 03:05:35,174 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:35,174 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747864237] [2019-10-15 03:05:35,175 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:35,175 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:35,175 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:35,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:35,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:05:35,297 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747864237] [2019-10-15 03:05:35,297 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:35,298 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-15 03:05:35,298 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718733631] [2019-10-15 03:05:35,298 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-15 03:05:35,299 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:35,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-15 03:05:35,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-10-15 03:05:35,299 INFO L87 Difference]: Start difference. First operand 133 states and 157 transitions. Second operand 10 states. [2019-10-15 03:05:35,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:35,585 INFO L93 Difference]: Finished difference Result 145 states and 169 transitions. [2019-10-15 03:05:35,586 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-15 03:05:35,586 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 47 [2019-10-15 03:05:35,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:35,587 INFO L225 Difference]: With dead ends: 145 [2019-10-15 03:05:35,594 INFO L226 Difference]: Without dead ends: 131 [2019-10-15 03:05:35,594 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2019-10-15 03:05:35,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2019-10-15 03:05:35,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2019-10-15 03:05:35,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2019-10-15 03:05:35,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 153 transitions. [2019-10-15 03:05:35,607 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 153 transitions. Word has length 47 [2019-10-15 03:05:35,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:35,607 INFO L462 AbstractCegarLoop]: Abstraction has 131 states and 153 transitions. [2019-10-15 03:05:35,608 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-15 03:05:35,608 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 153 transitions. [2019-10-15 03:05:35,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-15 03:05:35,609 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:35,609 INFO L380 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] [2019-10-15 03:05:35,609 INFO L410 AbstractCegarLoop]: === Iteration 16 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:35,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:35,610 INFO L82 PathProgramCache]: Analyzing trace with hash -887893932, now seen corresponding path program 1 times [2019-10-15 03:05:35,610 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:35,610 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696859106] [2019-10-15 03:05:35,610 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:35,610 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:35,610 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:35,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-15 03:05:35,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-15 03:05:35,728 INFO L168 tionRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-10-15 03:05:35,729 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-10-15 03:05:35,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 03:05:35 BoogieIcfgContainer [2019-10-15 03:05:35,834 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-15 03:05:35,836 INFO L168 Benchmark]: Toolchain (without parser) took 9258.02 ms. Allocated memory was 140.0 MB in the beginning and 310.9 MB in the end (delta: 170.9 MB). Free memory was 104.5 MB in the beginning and 175.1 MB in the end (delta: -70.6 MB). Peak memory consumption was 100.4 MB. Max. memory is 7.1 GB. [2019-10-15 03:05:35,837 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 140.0 MB. Free memory was 123.3 MB in the beginning and 123.1 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-15 03:05:35,838 INFO L168 Benchmark]: CACSL2BoogieTranslator took 567.81 ms. Allocated memory was 140.0 MB in the beginning and 203.9 MB in the end (delta: 64.0 MB). Free memory was 104.3 MB in the beginning and 176.8 MB in the end (delta: -72.5 MB). Peak memory consumption was 29.6 MB. Max. memory is 7.1 GB. [2019-10-15 03:05:35,839 INFO L168 Benchmark]: Boogie Preprocessor took 75.74 ms. Allocated memory is still 203.9 MB. Free memory was 176.8 MB in the beginning and 173.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. [2019-10-15 03:05:35,840 INFO L168 Benchmark]: RCFGBuilder took 1701.29 ms. Allocated memory was 203.9 MB in the beginning and 234.4 MB in the end (delta: 30.4 MB). Free memory was 173.7 MB in the beginning and 158.1 MB in the end (delta: 15.5 MB). Peak memory consumption was 86.0 MB. Max. memory is 7.1 GB. [2019-10-15 03:05:35,841 INFO L168 Benchmark]: TraceAbstraction took 6908.14 ms. Allocated memory was 234.4 MB in the beginning and 310.9 MB in the end (delta: 76.5 MB). Free memory was 158.1 MB in the beginning and 175.1 MB in the end (delta: -17.0 MB). Peak memory consumption was 59.6 MB. Max. memory is 7.1 GB. [2019-10-15 03:05:35,845 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 140.0 MB. Free memory was 123.3 MB in the beginning and 123.1 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 567.81 ms. Allocated memory was 140.0 MB in the beginning and 203.9 MB in the end (delta: 64.0 MB). Free memory was 104.3 MB in the beginning and 176.8 MB in the end (delta: -72.5 MB). Peak memory consumption was 29.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 75.74 ms. Allocated memory is still 203.9 MB. Free memory was 176.8 MB in the beginning and 173.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1701.29 ms. Allocated memory was 203.9 MB in the beginning and 234.4 MB in the end (delta: 30.4 MB). Free memory was 173.7 MB in the beginning and 158.1 MB in the end (delta: 15.5 MB). Peak memory consumption was 86.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 6908.14 ms. Allocated memory was 234.4 MB in the beginning and 310.9 MB in the end (delta: 76.5 MB). Free memory was 158.1 MB in the beginning and 175.1 MB in the end (delta: -17.0 MB). Peak memory consumption was 59.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1012]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L22] int KernelMode ; [L23] int Executive ; [L24] int DevicePowerState ; [L25] int s ; [L26] int UNLOADED ; [L27] int NP ; [L28] int DC ; [L29] int SKIP1 ; [L30] int SKIP2 ; [L31] int MPR1 ; [L32] int MPR3 ; [L33] int IPC ; [L34] int pended ; [L35] int compFptr ; [L36] int compRegistered ; [L37] int lowerDriverReturn ; [L38] int setEventCalled ; [L39] int customIrp ; [L40] int myStatus ; [L293] int status ; [L294] int irp = __VERIFIER_nondet_int() ; [L295] int pirp ; [L296] int pirp__IoStatus__Status ; [L297] int irp_choice = __VERIFIER_nondet_int() ; [L298] int devobj = __VERIFIER_nondet_int() ; [L299] int __cil_tmp8 ; [L301] KernelMode = 0 [L302] Executive = 0 [L303] DevicePowerState = 1 [L304] s = 0 [L305] UNLOADED = 0 [L306] NP = 0 [L307] DC = 0 [L308] SKIP1 = 0 [L309] SKIP2 = 0 [L310] MPR1 = 0 [L311] MPR3 = 0 [L312] IPC = 0 [L313] pended = 0 [L314] compFptr = 0 [L315] compRegistered = 0 [L316] lowerDriverReturn = 0 [L317] setEventCalled = 0 [L318] customIrp = 0 [L319] myStatus = 0 [L323] status = 0 [L324] pirp = irp VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=0, DevicePowerState=1, devobj=0, Executive=0, IPC=0, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MPR1=0, MPR3=0, myStatus=0, NP=0, pended=0, pirp=0, s=0, setEventCalled=0, SKIP1=0, SKIP2=0, status=0, UNLOADED=0] [L325] CALL _BLAST_init() VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=0, DevicePowerState=1, Executive=0, IPC=0, KernelMode=0, lowerDriverReturn=0, MPR1=0, MPR3=0, myStatus=0, NP=0, pended=0, s=0, setEventCalled=0, SKIP1=0, SKIP2=0, UNLOADED=0] [L60] UNLOADED = 0 [L61] NP = 1 [L62] DC = 2 [L63] SKIP1 = 3 [L64] SKIP2 = 4 [L65] MPR1 = 5 [L66] MPR3 = 6 [L67] IPC = 7 [L68] s = UNLOADED [L69] pended = 0 [L70] compFptr = 0 [L71] compRegistered = 0 [L72] lowerDriverReturn = 0 [L73] setEventCalled = 0 [L74] customIrp = 0 [L325] RET _BLAST_init() VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, devobj=0, Executive=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=0, NP=1, pended=0, pirp=0, s=0, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, UNLOADED=0] [L327] COND TRUE status >= 0 [L328] s = NP [L329] customIrp = 0 [L330] setEventCalled = customIrp [L331] lowerDriverReturn = setEventCalled [L332] compRegistered = lowerDriverReturn [L333] pended = compRegistered [L334] pirp__IoStatus__Status = 0 [L335] myStatus = 0 [L336] COND TRUE irp_choice == 0 [L337] pirp__IoStatus__Status = -1073741637 [L338] myStatus = -1073741637 VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, devobj=0, Executive=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, pirp=0, pirp__IoStatus__Status=-1073741637, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, UNLOADED=0] [L341] CALL stub_driver_init() VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L46] s = NP [L47] pended = 0 [L48] compFptr = 0 [L49] compRegistered = 0 [L50] lowerDriverReturn = 0 [L51] setEventCalled = 0 [L52] customIrp = 0 [L341] RET stub_driver_init() VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, devobj=0, Executive=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, pirp=0, pirp__IoStatus__Status=-1073741637, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, UNLOADED=0] [L344] COND FALSE !(status < 0) [L348] int tmp_ndt_1; [L349] tmp_ndt_1 = __VERIFIER_nondet_int() [L350] COND FALSE !(tmp_ndt_1 == 0) [L353] int tmp_ndt_2; [L354] tmp_ndt_2 = __VERIFIER_nondet_int() [L355] COND FALSE !(tmp_ndt_2 == 1) [L358] int tmp_ndt_3; [L359] tmp_ndt_3 = __VERIFIER_nondet_int() [L360] COND TRUE tmp_ndt_3 == 3 VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, devobj=0, Executive=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, pirp=0, pirp__IoStatus__Status=-1073741637, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=3, UNLOADED=0] [L387] CALL, EXPR KbFilter_PnP(devobj, pirp) VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L79] int devExt ; [L80] int irpStack ; [L81] int status ; [L82] int event = __VERIFIER_nondet_int() ; [L83] int DeviceObject__DeviceExtension = __VERIFIER_nondet_int() ; [L84] int Irp__Tail__Overlay__CurrentStackLocation = __VERIFIER_nondet_int() ; [L85] int irpStack__MinorFunction = __VERIFIER_nondet_int() ; [L86] int devExt__TopOfStack = __VERIFIER_nondet_int() ; [L87] int devExt__Started ; [L88] int devExt__Removed ; [L89] int devExt__SurpriseRemoved ; [L90] int Irp__IoStatus__Status ; [L91] int Irp__IoStatus__Information ; [L92] int Irp__CurrentLocation = __VERIFIER_nondet_int() ; [L93] int irpSp ; [L94] int nextIrpSp ; [L95] int nextIrpSp__Control ; [L96] int irpSp___0 ; [L97] int irpSp__Context ; [L98] int irpSp__Control ; [L99] long __cil_tmp23 ; [L102] status = 0 [L103] devExt = DeviceObject__DeviceExtension [L104] irpStack = Irp__Tail__Overlay__CurrentStackLocation VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, devExt=0, devExt__TopOfStack=0, DeviceObject=0, DeviceObject__DeviceExtension=0, DevicePowerState=1, event=0, Executive=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpStack=0, irpStack__MinorFunction=2, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, UNLOADED=0] [L105] COND FALSE !(irpStack__MinorFunction == 0) VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, devExt=0, devExt__TopOfStack=0, DeviceObject=0, DeviceObject__DeviceExtension=0, DevicePowerState=1, event=0, Executive=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpStack=0, irpStack__MinorFunction=2, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, UNLOADED=0] [L108] COND FALSE !(irpStack__MinorFunction == 23) VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, devExt=0, devExt__TopOfStack=0, DeviceObject=0, DeviceObject__DeviceExtension=0, DevicePowerState=1, event=0, Executive=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpStack=0, irpStack__MinorFunction=2, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, UNLOADED=0] [L111] COND TRUE irpStack__MinorFunction == 2 [L235] devExt__Removed = 1 VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, devExt=0, devExt__Removed=1, devExt__TopOfStack=0, DeviceObject=0, DeviceObject__DeviceExtension=0, DevicePowerState=1, event=0, Executive=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpStack=0, irpStack__MinorFunction=2, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, UNLOADED=0] [L236] COND TRUE s == NP [L237] s = SKIP1 VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, devExt=0, devExt__Removed=1, devExt__TopOfStack=0, DeviceObject=0, DeviceObject__DeviceExtension=0, DevicePowerState=1, event=0, Executive=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpStack=0, irpStack__MinorFunction=2, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, UNLOADED=0] [L244] Irp__CurrentLocation ++ [L245] Irp__Tail__Overlay__CurrentStackLocation ++ VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, devExt=0, devExt__Removed=1, devExt__TopOfStack=0, DeviceObject=0, DeviceObject__DeviceExtension=0, DevicePowerState=1, event=0, Executive=0, IPC=7, Irp=0, Irp__CurrentLocation=1, Irp__Tail__Overlay__CurrentStackLocation=1, irpStack=0, irpStack__MinorFunction=2, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, UNLOADED=0] [L246] CALL IofCallDriver(devExt__TopOfStack, Irp) VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L482] int returnVal2 ; [L483] int compRetStatus ; [L484] int lcontext = __VERIFIER_nondet_int() ; [L485] long long __cil_tmp7 ; VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DevicePowerState=1, Executive=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L488] COND FALSE !(\read(compRegistered)) VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DevicePowerState=1, Executive=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L501] int tmp_ndt_6; [L502] tmp_ndt_6 = __VERIFIER_nondet_int() [L503] COND FALSE !(tmp_ndt_6 == 0) [L506] int tmp_ndt_7; [L507] tmp_ndt_7 = __VERIFIER_nondet_int() [L508] COND TRUE tmp_ndt_7 == 1 [L517] returnVal2 = -1073741823 VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, __VERIFIER_nondet_int()=1, compFptr=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DevicePowerState=1, Executive=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, returnVal2=-1073741823, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, tmp_ndt_6=1, tmp_ndt_7=1, UNLOADED=0] [L527] COND FALSE !(s == NP) VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, __VERIFIER_nondet_int()=1, compFptr=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DevicePowerState=1, Executive=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, returnVal2=-1073741823, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, tmp_ndt_6=1, tmp_ndt_7=1, UNLOADED=0] [L531] COND FALSE !(s == MPR1) VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, __VERIFIER_nondet_int()=1, compFptr=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DevicePowerState=1, Executive=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, returnVal2=-1073741823, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, tmp_ndt_6=1, tmp_ndt_7=1, UNLOADED=0] [L540] COND TRUE s == SKIP1 [L541] s = SKIP2 [L542] lowerDriverReturn = returnVal2 VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, __VERIFIER_nondet_int()=1, compFptr=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DevicePowerState=1, Executive=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=-1073741823, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, returnVal2=-1073741823, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, tmp_ndt_6=1, tmp_ndt_7=1, UNLOADED=0] [L550] return (returnVal2); [L246] RET IofCallDriver(devExt__TopOfStack, Irp) VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, devExt=0, devExt__Removed=1, devExt__TopOfStack=0, DeviceObject=0, DeviceObject__DeviceExtension=0, DevicePowerState=1, event=0, Executive=0, IofCallDriver(devExt__TopOfStack, Irp)=-1073741823, IPC=7, Irp=0, Irp__CurrentLocation=1, Irp__Tail__Overlay__CurrentStackLocation=1, irpStack=0, irpStack__MinorFunction=2, KernelMode=0, lowerDriverReturn=-1073741823, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, UNLOADED=0] [L247] status = 0 VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, devExt=0, devExt__Removed=1, devExt__TopOfStack=0, DeviceObject=0, DeviceObject__DeviceExtension=0, DevicePowerState=1, event=0, Executive=0, IPC=7, Irp=0, Irp__CurrentLocation=1, Irp__Tail__Overlay__CurrentStackLocation=1, irpStack=0, irpStack__MinorFunction=2, KernelMode=0, lowerDriverReturn=-1073741823, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, UNLOADED=0] [L289] return (status); [L387] RET, EXPR KbFilter_PnP(devobj, pirp) VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, devobj=0, Executive=0, IPC=7, irp=0, irp_choice=0, KbFilter_PnP(devobj, pirp)=0, KernelMode=0, lowerDriverReturn=-1073741823, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=3, UNLOADED=0] [L387] status = KbFilter_PnP(devobj, pirp) [L411] COND FALSE !(pended == 1) VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, devobj=0, Executive=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=-1073741823, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=3, UNLOADED=0] [L419] COND FALSE !(pended == 1) VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, devobj=0, Executive=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=-1073741823, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=3, UNLOADED=0] [L427] COND TRUE s != UNLOADED VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, devobj=0, Executive=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=-1073741823, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=3, UNLOADED=0] [L428] COND TRUE status != -1 VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, devobj=0, Executive=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=-1073741823, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=3, UNLOADED=0] [L429] COND FALSE !(s != SKIP2) VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, devobj=0, Executive=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=-1073741823, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=3, UNLOADED=0] [L439] COND FALSE !(pended == 1) VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, devobj=0, Executive=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=-1073741823, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=3, UNLOADED=0] [L446] COND FALSE !(s == DC) VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, devobj=0, Executive=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=-1073741823, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=3, UNLOADED=0] [L451] COND TRUE status != lowerDriverReturn VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, devobj=0, Executive=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=-1073741823, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=3, UNLOADED=0] [L452] CALL errorFn() VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=-1073741823, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L1012] __VERIFIER_error() VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=-1073741823, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 18 procedures, 175 locations, 1 error locations. Result: UNSAFE, OverallTime: 6.8s, OverallIterations: 16, TraceHistogramMax: 1, AutomataDifference: 4.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 2760 SDtfs, 1761 SDslu, 5883 SDs, 0 SdLazy, 2072 SolverSat, 472 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 121 GetRequests, 39 SyntacticMatches, 1 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=200occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 15 MinimizatonAttempts, 61 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 608 NumberOfCodeBlocks, 608 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 547 ConstructedInterpolants, 0 QuantifiedInterpolants, 47112 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...