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/floppy_simpl4.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 23:01:15,825 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 23:01:15,827 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 23:01:15,839 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 23:01:15,839 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 23:01:15,840 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 23:01:15,842 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 23:01:15,844 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 23:01:15,845 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 23:01:15,846 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 23:01:15,847 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 23:01:15,848 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 23:01:15,848 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 23:01:15,849 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 23:01:15,850 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 23:01:15,851 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 23:01:15,852 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 23:01:15,853 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 23:01:15,855 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 23:01:15,857 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 23:01:15,858 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 23:01:15,859 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 23:01:15,860 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 23:01:15,861 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 23:01:15,863 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 23:01:15,864 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 23:01:15,864 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 23:01:15,865 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 23:01:15,865 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 23:01:15,866 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 23:01:15,866 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 23:01:15,867 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 23:01:15,868 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 23:01:15,868 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 23:01:15,869 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 23:01:15,870 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 23:01:15,870 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 23:01:15,870 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 23:01:15,871 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 23:01:15,871 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 23:01:15,872 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 23:01:15,873 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 [2019-10-13 23:01:15,889 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 23:01:15,889 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 23:01:15,890 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 23:01:15,890 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 23:01:15,891 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 23:01:15,891 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 23:01:15,892 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 23:01:15,892 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 23:01:15,892 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 23:01:15,892 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 23:01:15,892 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 23:01:15,892 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 23:01:15,893 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 23:01:15,893 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 23:01:15,893 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 23:01:15,893 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 23:01:15,893 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 23:01:15,894 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 23:01:15,894 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 23:01:15,894 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 23:01:15,895 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 23:01:15,895 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:01:15,895 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 23:01:15,896 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 23:01:15,896 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 23:01:15,896 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 23:01:15,896 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 23:01:15,896 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 23:01:15,896 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 [2019-10-13 23:01:16,150 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 23:01:16,167 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 23:01:16,171 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 23:01:16,172 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 23:01:16,172 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 23:01:16,173 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/floppy_simpl4.cil-1.c [2019-10-13 23:01:16,238 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/555fbdaa3/4a949bd07b734095830ef331a97ddab5/FLAG19014aaee [2019-10-13 23:01:16,739 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 23:01:16,740 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/floppy_simpl4.cil-1.c [2019-10-13 23:01:16,758 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/555fbdaa3/4a949bd07b734095830ef331a97ddab5/FLAG19014aaee [2019-10-13 23:01:17,076 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/555fbdaa3/4a949bd07b734095830ef331a97ddab5 [2019-10-13 23:01:17,086 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 23:01:17,088 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 23:01:17,089 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 23:01:17,089 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 23:01:17,092 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 23:01:17,093 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:01:17" (1/1) ... [2019-10-13 23:01:17,096 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20022b84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:01:17, skipping insertion in model container [2019-10-13 23:01:17,097 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:01:17" (1/1) ... [2019-10-13 23:01:17,104 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 23:01:17,185 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 23:01:17,706 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:01:17,715 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 23:01:17,821 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:01:17,847 INFO L192 MainTranslator]: Completed translation [2019-10-13 23:01:17,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:01:17 WrapperNode [2019-10-13 23:01:17,848 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 23:01:17,848 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 23:01:17,848 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 23:01:17,848 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 23:01:17,858 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:01:17" (1/1) ... [2019-10-13 23:01:17,858 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:01:17" (1/1) ... [2019-10-13 23:01:17,876 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:01:17" (1/1) ... [2019-10-13 23:01:17,876 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:01:17" (1/1) ... [2019-10-13 23:01:17,907 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:01:17" (1/1) ... [2019-10-13 23:01:17,926 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:01:17" (1/1) ... [2019-10-13 23:01:17,931 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:01:17" (1/1) ... [2019-10-13 23:01:17,941 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 23:01:17,942 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 23:01:17,942 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 23:01:17,942 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 23:01:17,943 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:01:17" (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 [2019-10-13 23:01:18,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 23:01:18,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 23:01:18,017 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2019-10-13 23:01:18,017 INFO L138 BoogieDeclarations]: Found implementation of procedure FlAcpiConfigureFloppy [2019-10-13 23:01:18,017 INFO L138 BoogieDeclarations]: Found implementation of procedure FlQueueIrpToThread [2019-10-13 23:01:18,018 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnp [2019-10-13 23:01:18,019 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyStartDevice [2019-10-13 23:01:18,019 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnpComplete [2019-10-13 23:01:18,019 INFO L138 BoogieDeclarations]: Found implementation of procedure FlFdcDeviceIo [2019-10-13 23:01:18,019 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyProcessQueuedRequests [2019-10-13 23:01:18,019 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2019-10-13 23:01:18,020 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 23:01:18,020 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2019-10-13 23:01:18,020 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteSymbolicLink [2019-10-13 23:01:18,021 INFO L138 BoogieDeclarations]: Found implementation of procedure IoQueryDeviceDescription [2019-10-13 23:01:18,021 INFO L138 BoogieDeclarations]: Found implementation of procedure IoRegisterDeviceInterface [2019-10-13 23:01:18,023 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2019-10-13 23:01:18,023 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2019-10-13 23:01:18,023 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2019-10-13 23:01:18,024 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2019-10-13 23:01:18,024 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2019-10-13 23:01:18,024 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2019-10-13 23:01:18,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ObReferenceObjectByHandle [2019-10-13 23:01:18,025 INFO L138 BoogieDeclarations]: Found implementation of procedure PsCreateSystemThread [2019-10-13 23:01:18,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2019-10-13 23:01:18,025 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyCreateClose [2019-10-13 23:01:18,025 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyDeviceControl [2019-10-13 23:01:18,025 INFO L138 BoogieDeclarations]: Found implementation of procedure FlCheckFormatParameters [2019-10-13 23:01:18,025 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyQueueRequest [2019-10-13 23:01:18,026 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2019-10-13 23:01:18,026 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 23:01:18,026 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-10-13 23:01:18,026 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 23:01:18,027 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-13 23:01:18,027 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-13 23:01:18,027 INFO L130 BoogieDeclarations]: Found specification of procedure FlAcpiConfigureFloppy [2019-10-13 23:01:18,027 INFO L130 BoogieDeclarations]: Found specification of procedure FlQueueIrpToThread [2019-10-13 23:01:18,027 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnp [2019-10-13 23:01:18,027 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyStartDevice [2019-10-13 23:01:18,027 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnpComplete [2019-10-13 23:01:18,027 INFO L130 BoogieDeclarations]: Found specification of procedure FlFdcDeviceIo [2019-10-13 23:01:18,027 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2019-10-13 23:01:18,028 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteSymbolicLink [2019-10-13 23:01:18,028 INFO L130 BoogieDeclarations]: Found specification of procedure IoQueryDeviceDescription [2019-10-13 23:01:18,028 INFO L130 BoogieDeclarations]: Found specification of procedure IoRegisterDeviceInterface [2019-10-13 23:01:18,028 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2019-10-13 23:01:18,028 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2019-10-13 23:01:18,028 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2019-10-13 23:01:18,028 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2019-10-13 23:01:18,028 INFO L130 BoogieDeclarations]: Found specification of procedure ObReferenceObjectByHandle [2019-10-13 23:01:18,028 INFO L130 BoogieDeclarations]: Found specification of procedure PsCreateSystemThread [2019-10-13 23:01:18,029 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2019-10-13 23:01:18,029 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyCreateClose [2019-10-13 23:01:18,029 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyQueueRequest [2019-10-13 23:01:18,029 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyDeviceControl [2019-10-13 23:01:18,029 INFO L130 BoogieDeclarations]: Found specification of procedure FlCheckFormatParameters [2019-10-13 23:01:18,029 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2019-10-13 23:01:18,030 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2019-10-13 23:01:18,030 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2019-10-13 23:01:18,030 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyProcessQueuedRequests [2019-10-13 23:01:18,030 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2019-10-13 23:01:18,030 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 23:01:18,030 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2019-10-13 23:01:18,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 23:01:18,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 23:01:18,378 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-13 23:01:18,444 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-13 23:01:18,445 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-13 23:01:18,458 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-13 23:01:18,476 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-13 23:01:18,476 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-13 23:01:18,484 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-13 23:01:18,708 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2019-10-13 23:01:18,709 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2019-10-13 23:01:18,713 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-13 23:01:18,837 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume !false; [2019-10-13 23:01:18,838 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume false; [2019-10-13 23:01:18,854 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-13 23:01:18,870 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2019-10-13 23:01:18,871 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2019-10-13 23:01:18,954 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-13 23:01:18,962 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-13 23:01:18,962 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-13 23:01:18,962 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-13 23:01:18,969 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-13 23:01:18,970 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-13 23:01:18,970 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-13 23:01:18,979 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-13 23:01:18,979 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-13 23:01:19,018 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-13 23:01:19,043 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-10-13 23:01:19,044 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-10-13 23:01:19,047 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-13 23:01:19,171 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##38: assume !false; [2019-10-13 23:01:19,172 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##37: assume false; [2019-10-13 23:01:19,216 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-13 23:01:19,222 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-13 23:01:19,222 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-13 23:01:19,223 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-13 23:01:19,232 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-13 23:01:19,232 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-13 23:01:19,233 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-13 23:01:19,237 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-13 23:01:19,238 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-13 23:01:19,688 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 23:01:19,689 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-13 23:01:19,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:01:19 BoogieIcfgContainer [2019-10-13 23:01:19,691 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 23:01:19,692 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 23:01:19,692 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 23:01:19,695 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 23:01:19,695 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:01:17" (1/3) ... [2019-10-13 23:01:19,696 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e4ac41f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:01:19, skipping insertion in model container [2019-10-13 23:01:19,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:01:17" (2/3) ... [2019-10-13 23:01:19,697 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e4ac41f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:01:19, skipping insertion in model container [2019-10-13 23:01:19,697 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:01:19" (3/3) ... [2019-10-13 23:01:19,701 INFO L109 eAbstractionObserver]: Analyzing ICFG floppy_simpl4.cil-1.c [2019-10-13 23:01:19,712 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 23:01:19,721 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 23:01:19,734 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 23:01:19,781 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 23:01:19,781 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 23:01:19,781 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 23:01:19,781 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 23:01:19,782 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 23:01:19,783 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 23:01:19,783 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 23:01:19,783 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 23:01:19,819 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states. [2019-10-13 23:01:19,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-13 23:01:19,825 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:01:19,826 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:01:19,828 INFO L410 AbstractCegarLoop]: === Iteration 1 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:01:19,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:01:19,833 INFO L82 PathProgramCache]: Analyzing trace with hash -1185276521, now seen corresponding path program 1 times [2019-10-13 23:01:19,842 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:01:19,842 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914591835] [2019-10-13 23:01:19,842 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:19,843 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:19,843 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:01:20,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:01:20,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:01:20,124 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914591835] [2019-10-13 23:01:20,124 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:01:20,125 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:01:20,125 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270074773] [2019-10-13 23:01:20,130 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:01:20,130 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:01:20,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:01:20,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:01:20,147 INFO L87 Difference]: Start difference. First operand 306 states. Second operand 3 states. [2019-10-13 23:01:20,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:01:20,290 INFO L93 Difference]: Finished difference Result 496 states and 730 transitions. [2019-10-13 23:01:20,291 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:01:20,292 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2019-10-13 23:01:20,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:01:20,323 INFO L225 Difference]: With dead ends: 496 [2019-10-13 23:01:20,324 INFO L226 Difference]: Without dead ends: 300 [2019-10-13 23:01:20,334 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 [2019-10-13 23:01:20,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2019-10-13 23:01:20,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 300. [2019-10-13 23:01:20,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 300 states. [2019-10-13 23:01:20,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 408 transitions. [2019-10-13 23:01:20,410 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 408 transitions. Word has length 18 [2019-10-13 23:01:20,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:01:20,411 INFO L462 AbstractCegarLoop]: Abstraction has 300 states and 408 transitions. [2019-10-13 23:01:20,411 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:01:20,411 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 408 transitions. [2019-10-13 23:01:20,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-10-13 23:01:20,413 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:01:20,413 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] [2019-10-13 23:01:20,414 INFO L410 AbstractCegarLoop]: === Iteration 2 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:01:20,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:01:20,414 INFO L82 PathProgramCache]: Analyzing trace with hash -1685353303, now seen corresponding path program 1 times [2019-10-13 23:01:20,414 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:01:20,414 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346433036] [2019-10-13 23:01:20,415 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:20,415 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:20,415 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:01:20,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:01:20,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:01:20,583 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346433036] [2019-10-13 23:01:20,583 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:01:20,583 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:01:20,584 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004931931] [2019-10-13 23:01:20,585 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:01:20,586 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:01:20,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:01:20,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:01:20,586 INFO L87 Difference]: Start difference. First operand 300 states and 408 transitions. Second operand 3 states. [2019-10-13 23:01:20,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:01:20,827 INFO L93 Difference]: Finished difference Result 516 states and 690 transitions. [2019-10-13 23:01:20,827 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:01:20,827 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 21 [2019-10-13 23:01:20,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:01:20,833 INFO L225 Difference]: With dead ends: 516 [2019-10-13 23:01:20,833 INFO L226 Difference]: Without dead ends: 387 [2019-10-13 23:01:20,835 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:01:20,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2019-10-13 23:01:20,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 368. [2019-10-13 23:01:20,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 368 states. [2019-10-13 23:01:20,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 488 transitions. [2019-10-13 23:01:20,907 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 488 transitions. Word has length 21 [2019-10-13 23:01:20,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:01:20,907 INFO L462 AbstractCegarLoop]: Abstraction has 368 states and 488 transitions. [2019-10-13 23:01:20,907 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:01:20,908 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 488 transitions. [2019-10-13 23:01:20,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-13 23:01:20,909 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:01:20,909 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] [2019-10-13 23:01:20,910 INFO L410 AbstractCegarLoop]: === Iteration 3 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:01:20,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:01:20,910 INFO L82 PathProgramCache]: Analyzing trace with hash -915073831, now seen corresponding path program 1 times [2019-10-13 23:01:20,910 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:01:20,910 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029574375] [2019-10-13 23:01:20,911 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:20,911 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:20,911 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:01:20,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:01:21,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:01:21,028 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029574375] [2019-10-13 23:01:21,028 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:01:21,028 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:01:21,029 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042356203] [2019-10-13 23:01:21,029 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:01:21,029 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:01:21,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:01:21,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:01:21,030 INFO L87 Difference]: Start difference. First operand 368 states and 488 transitions. Second operand 3 states. [2019-10-13 23:01:21,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:01:21,081 INFO L93 Difference]: Finished difference Result 466 states and 611 transitions. [2019-10-13 23:01:21,081 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:01:21,082 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-10-13 23:01:21,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:01:21,086 INFO L225 Difference]: With dead ends: 466 [2019-10-13 23:01:21,086 INFO L226 Difference]: Without dead ends: 445 [2019-10-13 23:01:21,087 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:01:21,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2019-10-13 23:01:21,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 429. [2019-10-13 23:01:21,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 429 states. [2019-10-13 23:01:21,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 564 transitions. [2019-10-13 23:01:21,115 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 564 transitions. Word has length 26 [2019-10-13 23:01:21,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:01:21,116 INFO L462 AbstractCegarLoop]: Abstraction has 429 states and 564 transitions. [2019-10-13 23:01:21,116 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:01:21,116 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 564 transitions. [2019-10-13 23:01:21,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-10-13 23:01:21,118 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:01:21,118 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] [2019-10-13 23:01:21,118 INFO L410 AbstractCegarLoop]: === Iteration 4 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:01:21,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:01:21,119 INFO L82 PathProgramCache]: Analyzing trace with hash -218053855, now seen corresponding path program 1 times [2019-10-13 23:01:21,119 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:01:21,119 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542276074] [2019-10-13 23:01:21,119 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:21,120 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:21,120 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:01:21,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:01:21,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:01:21,201 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542276074] [2019-10-13 23:01:21,202 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:01:21,202 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:01:21,202 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372837823] [2019-10-13 23:01:21,203 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:01:21,203 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:01:21,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:01:21,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:01:21,203 INFO L87 Difference]: Start difference. First operand 429 states and 564 transitions. Second operand 3 states. [2019-10-13 23:01:21,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:01:21,250 INFO L93 Difference]: Finished difference Result 769 states and 1008 transitions. [2019-10-13 23:01:21,250 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:01:21,250 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2019-10-13 23:01:21,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:01:21,255 INFO L225 Difference]: With dead ends: 769 [2019-10-13 23:01:21,255 INFO L226 Difference]: Without dead ends: 568 [2019-10-13 23:01:21,256 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:01:21,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 568 states. [2019-10-13 23:01:21,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 568 to 542. [2019-10-13 23:01:21,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 542 states. [2019-10-13 23:01:21,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 717 transitions. [2019-10-13 23:01:21,295 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 717 transitions. Word has length 27 [2019-10-13 23:01:21,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:01:21,296 INFO L462 AbstractCegarLoop]: Abstraction has 542 states and 717 transitions. [2019-10-13 23:01:21,296 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:01:21,296 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 717 transitions. [2019-10-13 23:01:21,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-10-13 23:01:21,304 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:01:21,304 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] [2019-10-13 23:01:21,304 INFO L410 AbstractCegarLoop]: === Iteration 5 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:01:21,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:01:21,304 INFO L82 PathProgramCache]: Analyzing trace with hash 477972724, now seen corresponding path program 1 times [2019-10-13 23:01:21,305 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:01:21,305 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235116379] [2019-10-13 23:01:21,305 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:21,306 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:21,306 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:01:21,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:01:21,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:01:21,440 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235116379] [2019-10-13 23:01:21,440 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:01:21,440 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:01:21,440 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842650477] [2019-10-13 23:01:21,441 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:01:21,441 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:01:21,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:01:21,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:01:21,441 INFO L87 Difference]: Start difference. First operand 542 states and 717 transitions. Second operand 3 states. [2019-10-13 23:01:21,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:01:21,539 INFO L93 Difference]: Finished difference Result 551 states and 728 transitions. [2019-10-13 23:01:21,540 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:01:21,540 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2019-10-13 23:01:21,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:01:21,546 INFO L225 Difference]: With dead ends: 551 [2019-10-13 23:01:21,546 INFO L226 Difference]: Without dead ends: 548 [2019-10-13 23:01:21,547 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 [2019-10-13 23:01:21,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2019-10-13 23:01:21,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 548. [2019-10-13 23:01:21,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 548 states. [2019-10-13 23:01:21,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 548 states and 724 transitions. [2019-10-13 23:01:21,577 INFO L78 Accepts]: Start accepts. Automaton has 548 states and 724 transitions. Word has length 32 [2019-10-13 23:01:21,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:01:21,578 INFO L462 AbstractCegarLoop]: Abstraction has 548 states and 724 transitions. [2019-10-13 23:01:21,578 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:01:21,578 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 724 transitions. [2019-10-13 23:01:21,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-13 23:01:21,580 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:01:21,580 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] [2019-10-13 23:01:21,580 INFO L410 AbstractCegarLoop]: === Iteration 6 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:01:21,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:01:21,581 INFO L82 PathProgramCache]: Analyzing trace with hash 365807463, now seen corresponding path program 1 times [2019-10-13 23:01:21,581 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:01:21,581 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202088894] [2019-10-13 23:01:21,581 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:21,581 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:21,582 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:01:21,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:01:21,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:01:21,622 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202088894] [2019-10-13 23:01:21,622 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:01:21,623 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:01:21,623 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031764480] [2019-10-13 23:01:21,624 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:01:21,624 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:01:21,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:01:21,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:01:21,624 INFO L87 Difference]: Start difference. First operand 548 states and 724 transitions. Second operand 3 states. [2019-10-13 23:01:21,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:01:21,729 INFO L93 Difference]: Finished difference Result 588 states and 772 transitions. [2019-10-13 23:01:21,729 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:01:21,730 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2019-10-13 23:01:21,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:01:21,736 INFO L225 Difference]: With dead ends: 588 [2019-10-13 23:01:21,736 INFO L226 Difference]: Without dead ends: 583 [2019-10-13 23:01:21,737 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 [2019-10-13 23:01:21,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 583 states. [2019-10-13 23:01:21,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 583 to 579. [2019-10-13 23:01:21,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 579 states. [2019-10-13 23:01:21,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 762 transitions. [2019-10-13 23:01:21,773 INFO L78 Accepts]: Start accepts. Automaton has 579 states and 762 transitions. Word has length 34 [2019-10-13 23:01:21,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:01:21,774 INFO L462 AbstractCegarLoop]: Abstraction has 579 states and 762 transitions. [2019-10-13 23:01:21,774 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:01:21,774 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 762 transitions. [2019-10-13 23:01:21,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-10-13 23:01:21,775 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:01:21,775 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] [2019-10-13 23:01:21,776 INFO L410 AbstractCegarLoop]: === Iteration 7 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:01:21,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:01:21,776 INFO L82 PathProgramCache]: Analyzing trace with hash -1092268321, now seen corresponding path program 1 times [2019-10-13 23:01:21,776 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:01:21,776 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164205603] [2019-10-13 23:01:21,776 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:21,777 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:21,777 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:01:21,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:01:21,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:01:21,838 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164205603] [2019-10-13 23:01:21,838 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:01:21,838 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 23:01:21,838 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007992533] [2019-10-13 23:01:21,839 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 23:01:21,839 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:01:21,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 23:01:21,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 23:01:21,840 INFO L87 Difference]: Start difference. First operand 579 states and 762 transitions. Second operand 5 states. [2019-10-13 23:01:21,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:01:21,897 INFO L93 Difference]: Finished difference Result 592 states and 776 transitions. [2019-10-13 23:01:21,898 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 23:01:21,899 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 35 [2019-10-13 23:01:21,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:01:21,903 INFO L225 Difference]: With dead ends: 592 [2019-10-13 23:01:21,903 INFO L226 Difference]: Without dead ends: 577 [2019-10-13 23:01:21,904 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-13 23:01:21,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2019-10-13 23:01:21,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 577. [2019-10-13 23:01:21,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 577 states. [2019-10-13 23:01:21,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 577 states and 758 transitions. [2019-10-13 23:01:21,940 INFO L78 Accepts]: Start accepts. Automaton has 577 states and 758 transitions. Word has length 35 [2019-10-13 23:01:21,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:01:21,940 INFO L462 AbstractCegarLoop]: Abstraction has 577 states and 758 transitions. [2019-10-13 23:01:21,943 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 23:01:21,943 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 758 transitions. [2019-10-13 23:01:21,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-13 23:01:21,945 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:01:21,946 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] [2019-10-13 23:01:21,946 INFO L410 AbstractCegarLoop]: === Iteration 8 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:01:21,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:01:21,946 INFO L82 PathProgramCache]: Analyzing trace with hash 625993510, now seen corresponding path program 1 times [2019-10-13 23:01:21,947 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:01:21,947 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173381454] [2019-10-13 23:01:21,947 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:21,948 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:21,948 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:01:21,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:01:22,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:01:22,006 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173381454] [2019-10-13 23:01:22,007 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:01:22,007 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 23:01:22,007 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202823545] [2019-10-13 23:01:22,008 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 23:01:22,008 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:01:22,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 23:01:22,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 23:01:22,008 INFO L87 Difference]: Start difference. First operand 577 states and 758 transitions. Second operand 5 states. [2019-10-13 23:01:22,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:01:22,071 INFO L93 Difference]: Finished difference Result 590 states and 772 transitions. [2019-10-13 23:01:22,072 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 23:01:22,072 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2019-10-13 23:01:22,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:01:22,076 INFO L225 Difference]: With dead ends: 590 [2019-10-13 23:01:22,076 INFO L226 Difference]: Without dead ends: 571 [2019-10-13 23:01:22,078 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-13 23:01:22,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 571 states. [2019-10-13 23:01:22,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 571 to 571. [2019-10-13 23:01:22,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 571 states. [2019-10-13 23:01:22,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 750 transitions. [2019-10-13 23:01:22,130 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 750 transitions. Word has length 34 [2019-10-13 23:01:22,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:01:22,131 INFO L462 AbstractCegarLoop]: Abstraction has 571 states and 750 transitions. [2019-10-13 23:01:22,131 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 23:01:22,131 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 750 transitions. [2019-10-13 23:01:22,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-10-13 23:01:22,132 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:01:22,133 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] [2019-10-13 23:01:22,133 INFO L410 AbstractCegarLoop]: === Iteration 9 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:01:22,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:01:22,133 INFO L82 PathProgramCache]: Analyzing trace with hash 765744359, now seen corresponding path program 1 times [2019-10-13 23:01:22,133 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:01:22,134 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114444369] [2019-10-13 23:01:22,134 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:22,134 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:22,134 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:01:22,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:01:22,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:01:22,186 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114444369] [2019-10-13 23:01:22,186 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:01:22,186 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:01:22,187 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285549205] [2019-10-13 23:01:22,187 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:01:22,189 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:01:22,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:01:22,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:01:22,189 INFO L87 Difference]: Start difference. First operand 571 states and 750 transitions. Second operand 3 states. [2019-10-13 23:01:22,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:01:22,312 INFO L93 Difference]: Finished difference Result 729 states and 970 transitions. [2019-10-13 23:01:22,312 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:01:22,312 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 38 [2019-10-13 23:01:22,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:01:22,317 INFO L225 Difference]: With dead ends: 729 [2019-10-13 23:01:22,317 INFO L226 Difference]: Without dead ends: 726 [2019-10-13 23:01:22,318 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 [2019-10-13 23:01:22,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 726 states. [2019-10-13 23:01:22,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 726 to 617. [2019-10-13 23:01:22,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 617 states. [2019-10-13 23:01:22,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 617 states and 814 transitions. [2019-10-13 23:01:22,352 INFO L78 Accepts]: Start accepts. Automaton has 617 states and 814 transitions. Word has length 38 [2019-10-13 23:01:22,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:01:22,353 INFO L462 AbstractCegarLoop]: Abstraction has 617 states and 814 transitions. [2019-10-13 23:01:22,353 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:01:22,353 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 814 transitions. [2019-10-13 23:01:22,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-10-13 23:01:22,354 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:01:22,354 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] [2019-10-13 23:01:22,355 INFO L410 AbstractCegarLoop]: === Iteration 10 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:01:22,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:01:22,355 INFO L82 PathProgramCache]: Analyzing trace with hash 2025179122, now seen corresponding path program 1 times [2019-10-13 23:01:22,355 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:01:22,355 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723242142] [2019-10-13 23:01:22,356 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:22,356 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:22,356 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:01:22,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:01:22,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:01:22,459 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723242142] [2019-10-13 23:01:22,459 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:01:22,460 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 23:01:22,460 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570858390] [2019-10-13 23:01:22,460 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 23:01:22,460 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:01:22,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 23:01:22,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-10-13 23:01:22,461 INFO L87 Difference]: Start difference. First operand 617 states and 814 transitions. Second operand 8 states. [2019-10-13 23:01:23,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:01:23,350 INFO L93 Difference]: Finished difference Result 826 states and 1088 transitions. [2019-10-13 23:01:23,351 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 23:01:23,351 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 39 [2019-10-13 23:01:23,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:01:23,355 INFO L225 Difference]: With dead ends: 826 [2019-10-13 23:01:23,355 INFO L226 Difference]: Without dead ends: 748 [2019-10-13 23:01:23,356 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-10-13 23:01:23,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2019-10-13 23:01:23,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 611. [2019-10-13 23:01:23,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 611 states. [2019-10-13 23:01:23,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 800 transitions. [2019-10-13 23:01:23,389 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 800 transitions. Word has length 39 [2019-10-13 23:01:23,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:01:23,390 INFO L462 AbstractCegarLoop]: Abstraction has 611 states and 800 transitions. [2019-10-13 23:01:23,390 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 23:01:23,390 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 800 transitions. [2019-10-13 23:01:23,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-10-13 23:01:23,391 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:01:23,392 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] [2019-10-13 23:01:23,392 INFO L410 AbstractCegarLoop]: === Iteration 11 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:01:23,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:01:23,392 INFO L82 PathProgramCache]: Analyzing trace with hash -1892539206, now seen corresponding path program 1 times [2019-10-13 23:01:23,392 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:01:23,393 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263783117] [2019-10-13 23:01:23,393 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:23,393 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:23,393 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:01:23,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:01:23,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:01:23,451 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263783117] [2019-10-13 23:01:23,451 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:01:23,451 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 23:01:23,451 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803545298] [2019-10-13 23:01:23,452 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 23:01:23,452 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:01:23,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 23:01:23,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 23:01:23,452 INFO L87 Difference]: Start difference. First operand 611 states and 800 transitions. Second operand 4 states. [2019-10-13 23:01:23,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:01:23,515 INFO L93 Difference]: Finished difference Result 639 states and 833 transitions. [2019-10-13 23:01:23,516 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-13 23:01:23,516 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 37 [2019-10-13 23:01:23,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:01:23,519 INFO L225 Difference]: With dead ends: 639 [2019-10-13 23:01:23,519 INFO L226 Difference]: Without dead ends: 617 [2019-10-13 23:01:23,520 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-13 23:01:23,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 617 states. [2019-10-13 23:01:23,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 617 to 613. [2019-10-13 23:01:23,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 613 states. [2019-10-13 23:01:23,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 613 states and 802 transitions. [2019-10-13 23:01:23,548 INFO L78 Accepts]: Start accepts. Automaton has 613 states and 802 transitions. Word has length 37 [2019-10-13 23:01:23,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:01:23,548 INFO L462 AbstractCegarLoop]: Abstraction has 613 states and 802 transitions. [2019-10-13 23:01:23,549 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 23:01:23,549 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 802 transitions. [2019-10-13 23:01:23,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-10-13 23:01:23,550 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:01:23,550 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] [2019-10-13 23:01:23,550 INFO L410 AbstractCegarLoop]: === Iteration 12 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:01:23,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:01:23,551 INFO L82 PathProgramCache]: Analyzing trace with hash -962951765, now seen corresponding path program 1 times [2019-10-13 23:01:23,551 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:01:23,551 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851612538] [2019-10-13 23:01:23,551 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:23,551 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:23,551 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:01:23,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:01:23,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:01:23,647 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851612538] [2019-10-13 23:01:23,647 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:01:23,648 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 23:01:23,648 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138371916] [2019-10-13 23:01:23,648 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 23:01:23,648 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:01:23,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 23:01:23,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-13 23:01:23,649 INFO L87 Difference]: Start difference. First operand 613 states and 802 transitions. Second operand 8 states. [2019-10-13 23:01:24,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:01:24,330 INFO L93 Difference]: Finished difference Result 640 states and 830 transitions. [2019-10-13 23:01:24,330 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 23:01:24,330 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 39 [2019-10-13 23:01:24,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:01:24,334 INFO L225 Difference]: With dead ends: 640 [2019-10-13 23:01:24,334 INFO L226 Difference]: Without dead ends: 631 [2019-10-13 23:01:24,335 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2019-10-13 23:01:24,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 631 states. [2019-10-13 23:01:24,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 631 to 613. [2019-10-13 23:01:24,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 613 states. [2019-10-13 23:01:24,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 613 states and 800 transitions. [2019-10-13 23:01:24,364 INFO L78 Accepts]: Start accepts. Automaton has 613 states and 800 transitions. Word has length 39 [2019-10-13 23:01:24,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:01:24,364 INFO L462 AbstractCegarLoop]: Abstraction has 613 states and 800 transitions. [2019-10-13 23:01:24,364 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 23:01:24,365 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 800 transitions. [2019-10-13 23:01:24,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-10-13 23:01:24,366 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:01:24,366 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] [2019-10-13 23:01:24,366 INFO L410 AbstractCegarLoop]: === Iteration 13 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:01:24,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:01:24,367 INFO L82 PathProgramCache]: Analyzing trace with hash -675985017, now seen corresponding path program 1 times [2019-10-13 23:01:24,367 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:01:24,367 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057597741] [2019-10-13 23:01:24,367 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:24,367 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:24,368 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:01:24,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:01:24,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:01:24,446 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057597741] [2019-10-13 23:01:24,446 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:01:24,447 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 23:01:24,447 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208135315] [2019-10-13 23:01:24,447 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 23:01:24,448 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:01:24,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 23:01:24,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-13 23:01:24,448 INFO L87 Difference]: Start difference. First operand 613 states and 800 transitions. Second operand 8 states. [2019-10-13 23:01:25,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:01:25,096 INFO L93 Difference]: Finished difference Result 640 states and 827 transitions. [2019-10-13 23:01:25,099 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 23:01:25,099 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 40 [2019-10-13 23:01:25,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:01:25,102 INFO L225 Difference]: With dead ends: 640 [2019-10-13 23:01:25,103 INFO L226 Difference]: Without dead ends: 631 [2019-10-13 23:01:25,103 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2019-10-13 23:01:25,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 631 states. [2019-10-13 23:01:25,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 631 to 613. [2019-10-13 23:01:25,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 613 states. [2019-10-13 23:01:25,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 613 states and 798 transitions. [2019-10-13 23:01:25,137 INFO L78 Accepts]: Start accepts. Automaton has 613 states and 798 transitions. Word has length 40 [2019-10-13 23:01:25,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:01:25,138 INFO L462 AbstractCegarLoop]: Abstraction has 613 states and 798 transitions. [2019-10-13 23:01:25,138 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 23:01:25,138 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 798 transitions. [2019-10-13 23:01:25,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-10-13 23:01:25,140 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:01:25,140 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] [2019-10-13 23:01:25,140 INFO L410 AbstractCegarLoop]: === Iteration 14 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:01:25,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:01:25,140 INFO L82 PathProgramCache]: Analyzing trace with hash -169617054, now seen corresponding path program 1 times [2019-10-13 23:01:25,141 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:01:25,141 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622715883] [2019-10-13 23:01:25,141 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:25,141 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:25,142 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:01:25,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:01:25,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:01:25,188 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622715883] [2019-10-13 23:01:25,189 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:01:25,189 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:01:25,189 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841632782] [2019-10-13 23:01:25,190 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:01:25,190 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:01:25,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:01:25,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:01:25,190 INFO L87 Difference]: Start difference. First operand 613 states and 798 transitions. Second operand 3 states. [2019-10-13 23:01:25,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:01:25,267 INFO L93 Difference]: Finished difference Result 643 states and 834 transitions. [2019-10-13 23:01:25,268 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:01:25,268 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2019-10-13 23:01:25,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:01:25,271 INFO L225 Difference]: With dead ends: 643 [2019-10-13 23:01:25,272 INFO L226 Difference]: Without dead ends: 606 [2019-10-13 23:01:25,272 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 [2019-10-13 23:01:25,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 606 states. [2019-10-13 23:01:25,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 606 to 602. [2019-10-13 23:01:25,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 602 states. [2019-10-13 23:01:25,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 779 transitions. [2019-10-13 23:01:25,303 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 779 transitions. Word has length 40 [2019-10-13 23:01:25,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:01:25,303 INFO L462 AbstractCegarLoop]: Abstraction has 602 states and 779 transitions. [2019-10-13 23:01:25,303 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:01:25,303 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 779 transitions. [2019-10-13 23:01:25,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-10-13 23:01:25,305 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:01:25,305 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] [2019-10-13 23:01:25,305 INFO L410 AbstractCegarLoop]: === Iteration 15 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:01:25,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:01:25,305 INFO L82 PathProgramCache]: Analyzing trace with hash 574216916, now seen corresponding path program 1 times [2019-10-13 23:01:25,306 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:01:25,306 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279651577] [2019-10-13 23:01:25,306 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:25,306 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:25,306 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:01:25,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:01:25,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:01:25,351 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279651577] [2019-10-13 23:01:25,351 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:01:25,351 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 23:01:25,352 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61925814] [2019-10-13 23:01:25,352 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 23:01:25,352 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:01:25,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 23:01:25,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 23:01:25,353 INFO L87 Difference]: Start difference. First operand 602 states and 779 transitions. Second operand 5 states. [2019-10-13 23:01:25,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:01:25,398 INFO L93 Difference]: Finished difference Result 618 states and 794 transitions. [2019-10-13 23:01:25,399 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 23:01:25,399 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 41 [2019-10-13 23:01:25,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:01:25,403 INFO L225 Difference]: With dead ends: 618 [2019-10-13 23:01:25,403 INFO L226 Difference]: Without dead ends: 600 [2019-10-13 23:01:25,404 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 [2019-10-13 23:01:25,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2019-10-13 23:01:25,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 600. [2019-10-13 23:01:25,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 600 states. [2019-10-13 23:01:25,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 775 transitions. [2019-10-13 23:01:25,438 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 775 transitions. Word has length 41 [2019-10-13 23:01:25,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:01:25,439 INFO L462 AbstractCegarLoop]: Abstraction has 600 states and 775 transitions. [2019-10-13 23:01:25,439 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 23:01:25,439 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 775 transitions. [2019-10-13 23:01:25,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-13 23:01:25,440 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:01:25,441 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] [2019-10-13 23:01:25,441 INFO L410 AbstractCegarLoop]: === Iteration 16 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:01:25,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:01:25,441 INFO L82 PathProgramCache]: Analyzing trace with hash -1755444174, now seen corresponding path program 1 times [2019-10-13 23:01:25,441 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:01:25,442 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130408569] [2019-10-13 23:01:25,442 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:25,442 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:25,442 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:01:25,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:01:25,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:01:25,502 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130408569] [2019-10-13 23:01:25,502 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:01:25,502 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 23:01:25,502 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103288901] [2019-10-13 23:01:25,503 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 23:01:25,503 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:01:25,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 23:01:25,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 23:01:25,503 INFO L87 Difference]: Start difference. First operand 600 states and 775 transitions. Second operand 4 states. [2019-10-13 23:01:25,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:01:25,750 INFO L93 Difference]: Finished difference Result 650 states and 819 transitions. [2019-10-13 23:01:25,750 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-13 23:01:25,750 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 43 [2019-10-13 23:01:25,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:01:25,753 INFO L225 Difference]: With dead ends: 650 [2019-10-13 23:01:25,753 INFO L226 Difference]: Without dead ends: 461 [2019-10-13 23:01:25,755 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 [2019-10-13 23:01:25,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2019-10-13 23:01:25,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 442. [2019-10-13 23:01:25,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 442 states. [2019-10-13 23:01:25,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 551 transitions. [2019-10-13 23:01:25,780 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 551 transitions. Word has length 43 [2019-10-13 23:01:25,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:01:25,780 INFO L462 AbstractCegarLoop]: Abstraction has 442 states and 551 transitions. [2019-10-13 23:01:25,780 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 23:01:25,780 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 551 transitions. [2019-10-13 23:01:25,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-10-13 23:01:25,782 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:01:25,782 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] [2019-10-13 23:01:25,782 INFO L410 AbstractCegarLoop]: === Iteration 17 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:01:25,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:01:25,783 INFO L82 PathProgramCache]: Analyzing trace with hash 1072987595, now seen corresponding path program 1 times [2019-10-13 23:01:25,783 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:01:25,783 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336823710] [2019-10-13 23:01:25,783 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:25,784 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:25,784 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:01:25,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:01:25,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:01:25,835 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336823710] [2019-10-13 23:01:25,835 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:01:25,835 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 23:01:25,835 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426418605] [2019-10-13 23:01:25,836 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 23:01:25,836 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:01:25,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 23:01:25,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 23:01:25,837 INFO L87 Difference]: Start difference. First operand 442 states and 551 transitions. Second operand 5 states. [2019-10-13 23:01:25,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:01:25,888 INFO L93 Difference]: Finished difference Result 458 states and 566 transitions. [2019-10-13 23:01:25,888 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 23:01:25,889 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 41 [2019-10-13 23:01:25,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:01:25,891 INFO L225 Difference]: With dead ends: 458 [2019-10-13 23:01:25,892 INFO L226 Difference]: Without dead ends: 440 [2019-10-13 23:01:25,892 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 [2019-10-13 23:01:25,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2019-10-13 23:01:25,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 440. [2019-10-13 23:01:25,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 440 states. [2019-10-13 23:01:25,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 547 transitions. [2019-10-13 23:01:25,918 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 547 transitions. Word has length 41 [2019-10-13 23:01:25,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:01:25,918 INFO L462 AbstractCegarLoop]: Abstraction has 440 states and 547 transitions. [2019-10-13 23:01:25,919 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 23:01:25,919 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 547 transitions. [2019-10-13 23:01:25,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-13 23:01:25,920 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:01:25,920 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] [2019-10-13 23:01:25,920 INFO L410 AbstractCegarLoop]: === Iteration 18 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:01:25,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:01:25,921 INFO L82 PathProgramCache]: Analyzing trace with hash -1901639222, now seen corresponding path program 1 times [2019-10-13 23:01:25,921 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:01:25,921 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781781578] [2019-10-13 23:01:25,921 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:25,921 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:25,921 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:01:25,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:01:25,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:01:25,963 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781781578] [2019-10-13 23:01:25,963 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:01:25,963 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:01:25,963 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152778958] [2019-10-13 23:01:25,964 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:01:25,964 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:01:25,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:01:25,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:01:25,964 INFO L87 Difference]: Start difference. First operand 440 states and 547 transitions. Second operand 3 states. [2019-10-13 23:01:26,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:01:26,090 INFO L93 Difference]: Finished difference Result 601 states and 761 transitions. [2019-10-13 23:01:26,090 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:01:26,090 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2019-10-13 23:01:26,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:01:26,094 INFO L225 Difference]: With dead ends: 601 [2019-10-13 23:01:26,094 INFO L226 Difference]: Without dead ends: 589 [2019-10-13 23:01:26,098 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 [2019-10-13 23:01:26,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 589 states. [2019-10-13 23:01:26,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 589 to 489. [2019-10-13 23:01:26,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 489 states. [2019-10-13 23:01:26,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 607 transitions. [2019-10-13 23:01:26,160 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 607 transitions. Word has length 43 [2019-10-13 23:01:26,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:01:26,160 INFO L462 AbstractCegarLoop]: Abstraction has 489 states and 607 transitions. [2019-10-13 23:01:26,161 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:01:26,161 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 607 transitions. [2019-10-13 23:01:26,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-13 23:01:26,162 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:01:26,162 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, 1, 1, 1, 1] [2019-10-13 23:01:26,162 INFO L410 AbstractCegarLoop]: === Iteration 19 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:01:26,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:01:26,163 INFO L82 PathProgramCache]: Analyzing trace with hash -1050847397, now seen corresponding path program 1 times [2019-10-13 23:01:26,163 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:01:26,163 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959261983] [2019-10-13 23:01:26,163 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:26,164 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:26,164 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:01:26,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:01:26,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:01:26,222 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959261983] [2019-10-13 23:01:26,222 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:01:26,223 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:01:26,223 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511296684] [2019-10-13 23:01:26,223 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:01:26,223 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:01:26,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:01:26,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:01:26,224 INFO L87 Difference]: Start difference. First operand 489 states and 607 transitions. Second operand 3 states. [2019-10-13 23:01:26,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:01:26,298 INFO L93 Difference]: Finished difference Result 670 states and 839 transitions. [2019-10-13 23:01:26,298 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:01:26,299 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2019-10-13 23:01:26,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:01:26,303 INFO L225 Difference]: With dead ends: 670 [2019-10-13 23:01:26,303 INFO L226 Difference]: Without dead ends: 492 [2019-10-13 23:01:26,304 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 [2019-10-13 23:01:26,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492 states. [2019-10-13 23:01:26,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492 to 492. [2019-10-13 23:01:26,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 492 states. [2019-10-13 23:01:26,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 492 states and 611 transitions. [2019-10-13 23:01:26,330 INFO L78 Accepts]: Start accepts. Automaton has 492 states and 611 transitions. Word has length 51 [2019-10-13 23:01:26,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:01:26,331 INFO L462 AbstractCegarLoop]: Abstraction has 492 states and 611 transitions. [2019-10-13 23:01:26,331 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:01:26,331 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 611 transitions. [2019-10-13 23:01:26,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-10-13 23:01:26,332 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:01:26,332 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] [2019-10-13 23:01:26,333 INFO L410 AbstractCegarLoop]: === Iteration 20 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:01:26,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:01:26,333 INFO L82 PathProgramCache]: Analyzing trace with hash 1631605306, now seen corresponding path program 1 times [2019-10-13 23:01:26,333 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:01:26,334 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947746479] [2019-10-13 23:01:26,334 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:26,334 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:26,334 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:01:26,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:01:26,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:01:26,458 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947746479] [2019-10-13 23:01:26,458 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:01:26,459 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-13 23:01:26,459 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647067090] [2019-10-13 23:01:26,459 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-13 23:01:26,460 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:01:26,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-13 23:01:26,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-10-13 23:01:26,460 INFO L87 Difference]: Start difference. First operand 492 states and 611 transitions. Second operand 10 states. [2019-10-13 23:01:28,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:01:28,019 INFO L93 Difference]: Finished difference Result 617 states and 775 transitions. [2019-10-13 23:01:28,020 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-10-13 23:01:28,020 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 44 [2019-10-13 23:01:28,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:01:28,025 INFO L225 Difference]: With dead ends: 617 [2019-10-13 23:01:28,025 INFO L226 Difference]: Without dead ends: 606 [2019-10-13 23:01:28,026 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2019-10-13 23:01:28,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 606 states. [2019-10-13 23:01:28,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 606 to 530. [2019-10-13 23:01:28,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 530 states. [2019-10-13 23:01:28,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 530 states and 653 transitions. [2019-10-13 23:01:28,058 INFO L78 Accepts]: Start accepts. Automaton has 530 states and 653 transitions. Word has length 44 [2019-10-13 23:01:28,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:01:28,059 INFO L462 AbstractCegarLoop]: Abstraction has 530 states and 653 transitions. [2019-10-13 23:01:28,059 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-13 23:01:28,059 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 653 transitions. [2019-10-13 23:01:28,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-10-13 23:01:28,060 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:01:28,061 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] [2019-10-13 23:01:28,061 INFO L410 AbstractCegarLoop]: === Iteration 21 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:01:28,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:01:28,061 INFO L82 PathProgramCache]: Analyzing trace with hash 1620124305, now seen corresponding path program 1 times [2019-10-13 23:01:28,062 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:01:28,062 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280069773] [2019-10-13 23:01:28,062 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:28,062 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:28,062 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:01:28,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:01:28,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:01:28,123 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280069773] [2019-10-13 23:01:28,124 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:01:28,124 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 23:01:28,124 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576512720] [2019-10-13 23:01:28,124 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 23:01:28,125 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:01:28,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 23:01:28,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-13 23:01:28,125 INFO L87 Difference]: Start difference. First operand 530 states and 653 transitions. Second operand 7 states. [2019-10-13 23:01:28,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:01:28,782 INFO L93 Difference]: Finished difference Result 610 states and 753 transitions. [2019-10-13 23:01:28,782 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-13 23:01:28,782 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 44 [2019-10-13 23:01:28,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:01:28,787 INFO L225 Difference]: With dead ends: 610 [2019-10-13 23:01:28,788 INFO L226 Difference]: Without dead ends: 545 [2019-10-13 23:01:28,792 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2019-10-13 23:01:28,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2019-10-13 23:01:28,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 541. [2019-10-13 23:01:28,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 541 states. [2019-10-13 23:01:28,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 665 transitions. [2019-10-13 23:01:28,830 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 665 transitions. Word has length 44 [2019-10-13 23:01:28,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:01:28,830 INFO L462 AbstractCegarLoop]: Abstraction has 541 states and 665 transitions. [2019-10-13 23:01:28,830 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 23:01:28,830 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 665 transitions. [2019-10-13 23:01:28,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-10-13 23:01:28,832 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:01:28,832 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] [2019-10-13 23:01:28,832 INFO L410 AbstractCegarLoop]: === Iteration 22 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:01:28,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:01:28,833 INFO L82 PathProgramCache]: Analyzing trace with hash -1246355178, now seen corresponding path program 1 times [2019-10-13 23:01:28,833 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:01:28,833 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707803849] [2019-10-13 23:01:28,833 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:28,833 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:28,834 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:01:28,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:01:29,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:01:29,047 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707803849] [2019-10-13 23:01:29,047 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:01:29,047 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 23:01:29,048 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116369192] [2019-10-13 23:01:29,048 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 23:01:29,048 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:01:29,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 23:01:29,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-13 23:01:29,049 INFO L87 Difference]: Start difference. First operand 541 states and 665 transitions. Second operand 7 states. [2019-10-13 23:01:29,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:01:29,251 INFO L93 Difference]: Finished difference Result 570 states and 693 transitions. [2019-10-13 23:01:29,251 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 23:01:29,251 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 45 [2019-10-13 23:01:29,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:01:29,254 INFO L225 Difference]: With dead ends: 570 [2019-10-13 23:01:29,255 INFO L226 Difference]: Without dead ends: 549 [2019-10-13 23:01:29,255 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2019-10-13 23:01:29,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2019-10-13 23:01:29,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 536. [2019-10-13 23:01:29,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 536 states. [2019-10-13 23:01:29,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 648 transitions. [2019-10-13 23:01:29,288 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 648 transitions. Word has length 45 [2019-10-13 23:01:29,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:01:29,288 INFO L462 AbstractCegarLoop]: Abstraction has 536 states and 648 transitions. [2019-10-13 23:01:29,288 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 23:01:29,288 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 648 transitions. [2019-10-13 23:01:29,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-10-13 23:01:29,290 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:01:29,290 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] [2019-10-13 23:01:29,290 INFO L410 AbstractCegarLoop]: === Iteration 23 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:01:29,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:01:29,291 INFO L82 PathProgramCache]: Analyzing trace with hash -1857399340, now seen corresponding path program 1 times [2019-10-13 23:01:29,291 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:01:29,291 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874723252] [2019-10-13 23:01:29,291 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:29,291 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:29,291 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:01:29,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:01:29,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:01:29,381 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874723252] [2019-10-13 23:01:29,381 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:01:29,382 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-13 23:01:29,382 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879253185] [2019-10-13 23:01:29,382 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 23:01:29,382 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:01:29,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 23:01:29,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2019-10-13 23:01:29,383 INFO L87 Difference]: Start difference. First operand 536 states and 648 transitions. Second operand 9 states. [2019-10-13 23:01:30,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:01:30,716 INFO L93 Difference]: Finished difference Result 624 states and 744 transitions. [2019-10-13 23:01:30,717 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-13 23:01:30,717 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 45 [2019-10-13 23:01:30,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:01:30,721 INFO L225 Difference]: With dead ends: 624 [2019-10-13 23:01:30,721 INFO L226 Difference]: Without dead ends: 564 [2019-10-13 23:01:30,722 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=292, Unknown=0, NotChecked=0, Total=380 [2019-10-13 23:01:30,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2019-10-13 23:01:30,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 501. [2019-10-13 23:01:30,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 501 states. [2019-10-13 23:01:30,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 501 states and 602 transitions. [2019-10-13 23:01:30,765 INFO L78 Accepts]: Start accepts. Automaton has 501 states and 602 transitions. Word has length 45 [2019-10-13 23:01:30,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:01:30,766 INFO L462 AbstractCegarLoop]: Abstraction has 501 states and 602 transitions. [2019-10-13 23:01:30,766 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 23:01:30,766 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 602 transitions. [2019-10-13 23:01:30,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-10-13 23:01:30,768 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:01:30,768 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] [2019-10-13 23:01:30,768 INFO L410 AbstractCegarLoop]: === Iteration 24 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:01:30,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:01:30,768 INFO L82 PathProgramCache]: Analyzing trace with hash 305885669, now seen corresponding path program 1 times [2019-10-13 23:01:30,769 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:01:30,769 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046035386] [2019-10-13 23:01:30,769 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:30,769 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:30,769 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:01:30,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:01:30,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:01:30,855 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046035386] [2019-10-13 23:01:30,855 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:01:30,855 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:01:30,855 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132403960] [2019-10-13 23:01:30,856 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:01:30,856 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:01:30,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:01:30,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:01:30,857 INFO L87 Difference]: Start difference. First operand 501 states and 602 transitions. Second operand 3 states. [2019-10-13 23:01:30,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:01:30,956 INFO L93 Difference]: Finished difference Result 587 states and 707 transitions. [2019-10-13 23:01:30,956 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:01:30,957 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2019-10-13 23:01:30,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:01:30,960 INFO L225 Difference]: With dead ends: 587 [2019-10-13 23:01:30,961 INFO L226 Difference]: Without dead ends: 569 [2019-10-13 23:01:30,963 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 [2019-10-13 23:01:30,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 569 states. [2019-10-13 23:01:31,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 569 to 521. [2019-10-13 23:01:31,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 521 states. [2019-10-13 23:01:31,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 626 transitions. [2019-10-13 23:01:31,003 INFO L78 Accepts]: Start accepts. Automaton has 521 states and 626 transitions. Word has length 45 [2019-10-13 23:01:31,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:01:31,004 INFO L462 AbstractCegarLoop]: Abstraction has 521 states and 626 transitions. [2019-10-13 23:01:31,004 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:01:31,004 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 626 transitions. [2019-10-13 23:01:31,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-13 23:01:31,005 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:01:31,005 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:01:31,006 INFO L410 AbstractCegarLoop]: === Iteration 25 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:01:31,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:01:31,006 INFO L82 PathProgramCache]: Analyzing trace with hash 909821056, now seen corresponding path program 1 times [2019-10-13 23:01:31,006 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:01:31,006 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426137448] [2019-10-13 23:01:31,006 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:31,007 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:31,007 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:01:31,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:01:31,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:01:31,186 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426137448] [2019-10-13 23:01:31,186 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:01:31,186 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 23:01:31,186 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789884310] [2019-10-13 23:01:31,187 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 23:01:31,187 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:01:31,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 23:01:31,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 23:01:31,187 INFO L87 Difference]: Start difference. First operand 521 states and 626 transitions. Second operand 5 states. [2019-10-13 23:01:31,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:01:31,233 INFO L93 Difference]: Finished difference Result 699 states and 855 transitions. [2019-10-13 23:01:31,233 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 23:01:31,233 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 53 [2019-10-13 23:01:31,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:01:31,236 INFO L225 Difference]: With dead ends: 699 [2019-10-13 23:01:31,236 INFO L226 Difference]: Without dead ends: 489 [2019-10-13 23:01:31,237 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 [2019-10-13 23:01:31,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2019-10-13 23:01:31,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 489. [2019-10-13 23:01:31,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 489 states. [2019-10-13 23:01:31,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 579 transitions. [2019-10-13 23:01:31,276 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 579 transitions. Word has length 53 [2019-10-13 23:01:31,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:01:31,276 INFO L462 AbstractCegarLoop]: Abstraction has 489 states and 579 transitions. [2019-10-13 23:01:31,276 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 23:01:31,276 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 579 transitions. [2019-10-13 23:01:31,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-13 23:01:31,279 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:01:31,279 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] [2019-10-13 23:01:31,279 INFO L410 AbstractCegarLoop]: === Iteration 26 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:01:31,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:01:31,280 INFO L82 PathProgramCache]: Analyzing trace with hash 1345400191, now seen corresponding path program 1 times [2019-10-13 23:01:31,280 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:01:31,280 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016220532] [2019-10-13 23:01:31,280 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:31,280 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:31,280 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:01:31,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:01:31,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:01:31,389 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016220532] [2019-10-13 23:01:31,389 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:01:31,389 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 23:01:31,390 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094645725] [2019-10-13 23:01:31,390 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 23:01:31,391 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:01:31,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 23:01:31,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-13 23:01:31,391 INFO L87 Difference]: Start difference. First operand 489 states and 579 transitions. Second operand 8 states. [2019-10-13 23:01:31,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:01:31,570 INFO L93 Difference]: Finished difference Result 505 states and 595 transitions. [2019-10-13 23:01:31,570 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 23:01:31,570 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 46 [2019-10-13 23:01:31,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:01:31,573 INFO L225 Difference]: With dead ends: 505 [2019-10-13 23:01:31,573 INFO L226 Difference]: Without dead ends: 501 [2019-10-13 23:01:31,573 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 [2019-10-13 23:01:31,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2019-10-13 23:01:31,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 497. [2019-10-13 23:01:31,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 497 states. [2019-10-13 23:01:31,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 497 states and 587 transitions. [2019-10-13 23:01:31,607 INFO L78 Accepts]: Start accepts. Automaton has 497 states and 587 transitions. Word has length 46 [2019-10-13 23:01:31,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:01:31,608 INFO L462 AbstractCegarLoop]: Abstraction has 497 states and 587 transitions. [2019-10-13 23:01:31,608 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 23:01:31,608 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 587 transitions. [2019-10-13 23:01:31,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-13 23:01:31,612 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:01:31,612 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] [2019-10-13 23:01:31,613 INFO L410 AbstractCegarLoop]: === Iteration 27 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:01:31,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:01:31,613 INFO L82 PathProgramCache]: Analyzing trace with hash 1345123361, now seen corresponding path program 1 times [2019-10-13 23:01:31,613 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:01:31,613 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612774454] [2019-10-13 23:01:31,613 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:31,614 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:31,614 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:01:31,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:01:31,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:01:31,681 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612774454] [2019-10-13 23:01:31,681 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:01:31,681 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 23:01:31,681 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849234485] [2019-10-13 23:01:31,681 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 23:01:31,682 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:01:31,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 23:01:31,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 23:01:31,682 INFO L87 Difference]: Start difference. First operand 497 states and 587 transitions. Second operand 5 states. [2019-10-13 23:01:32,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:01:32,041 INFO L93 Difference]: Finished difference Result 512 states and 601 transitions. [2019-10-13 23:01:32,042 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 23:01:32,042 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 46 [2019-10-13 23:01:32,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:01:32,045 INFO L225 Difference]: With dead ends: 512 [2019-10-13 23:01:32,046 INFO L226 Difference]: Without dead ends: 494 [2019-10-13 23:01:32,046 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-10-13 23:01:32,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494 states. [2019-10-13 23:01:32,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 487. [2019-10-13 23:01:32,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 487 states. [2019-10-13 23:01:32,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 487 states and 575 transitions. [2019-10-13 23:01:32,088 INFO L78 Accepts]: Start accepts. Automaton has 487 states and 575 transitions. Word has length 46 [2019-10-13 23:01:32,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:01:32,089 INFO L462 AbstractCegarLoop]: Abstraction has 487 states and 575 transitions. [2019-10-13 23:01:32,089 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 23:01:32,089 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 575 transitions. [2019-10-13 23:01:32,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-13 23:01:32,090 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:01:32,090 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] [2019-10-13 23:01:32,091 INFO L410 AbstractCegarLoop]: === Iteration 28 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:01:32,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:01:32,091 INFO L82 PathProgramCache]: Analyzing trace with hash -903148805, now seen corresponding path program 1 times [2019-10-13 23:01:32,091 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:01:32,091 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90239535] [2019-10-13 23:01:32,091 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:32,092 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:32,092 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:01:32,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:01:32,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:01:32,184 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90239535] [2019-10-13 23:01:32,184 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:01:32,185 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 23:01:32,185 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313732941] [2019-10-13 23:01:32,186 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 23:01:32,186 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:01:32,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 23:01:32,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-13 23:01:32,187 INFO L87 Difference]: Start difference. First operand 487 states and 575 transitions. Second operand 8 states. [2019-10-13 23:01:32,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:01:32,300 INFO L93 Difference]: Finished difference Result 500 states and 587 transitions. [2019-10-13 23:01:32,300 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 23:01:32,300 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 47 [2019-10-13 23:01:32,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:01:32,303 INFO L225 Difference]: With dead ends: 500 [2019-10-13 23:01:32,304 INFO L226 Difference]: Without dead ends: 476 [2019-10-13 23:01:32,304 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 [2019-10-13 23:01:32,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2019-10-13 23:01:32,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 476. [2019-10-13 23:01:32,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 476 states. [2019-10-13 23:01:32,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 562 transitions. [2019-10-13 23:01:32,341 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 562 transitions. Word has length 47 [2019-10-13 23:01:32,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:01:32,342 INFO L462 AbstractCegarLoop]: Abstraction has 476 states and 562 transitions. [2019-10-13 23:01:32,342 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 23:01:32,342 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 562 transitions. [2019-10-13 23:01:32,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-13 23:01:32,343 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:01:32,344 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] [2019-10-13 23:01:32,344 INFO L410 AbstractCegarLoop]: === Iteration 29 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:01:32,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:01:32,344 INFO L82 PathProgramCache]: Analyzing trace with hash 1100389975, now seen corresponding path program 1 times [2019-10-13 23:01:32,344 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:01:32,345 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111691504] [2019-10-13 23:01:32,345 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:32,345 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:32,345 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:01:32,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:01:32,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:01:32,410 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111691504] [2019-10-13 23:01:32,410 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:01:32,411 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 23:01:32,411 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343328498] [2019-10-13 23:01:32,411 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 23:01:32,411 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:01:32,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 23:01:32,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 23:01:32,412 INFO L87 Difference]: Start difference. First operand 476 states and 562 transitions. Second operand 6 states. [2019-10-13 23:01:32,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:01:32,469 INFO L93 Difference]: Finished difference Result 505 states and 595 transitions. [2019-10-13 23:01:32,469 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 23:01:32,469 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 47 [2019-10-13 23:01:32,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:01:32,472 INFO L225 Difference]: With dead ends: 505 [2019-10-13 23:01:32,472 INFO L226 Difference]: Without dead ends: 478 [2019-10-13 23:01:32,473 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-13 23:01:32,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2019-10-13 23:01:32,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 478. [2019-10-13 23:01:32,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 478 states. [2019-10-13 23:01:32,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 564 transitions. [2019-10-13 23:01:32,506 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 564 transitions. Word has length 47 [2019-10-13 23:01:32,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:01:32,506 INFO L462 AbstractCegarLoop]: Abstraction has 478 states and 564 transitions. [2019-10-13 23:01:32,506 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 23:01:32,507 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 564 transitions. [2019-10-13 23:01:32,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-13 23:01:32,508 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:01:32,508 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:01:32,508 INFO L410 AbstractCegarLoop]: === Iteration 30 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:01:32,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:01:32,509 INFO L82 PathProgramCache]: Analyzing trace with hash -1633456135, now seen corresponding path program 1 times [2019-10-13 23:01:32,509 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:01:32,509 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845413087] [2019-10-13 23:01:32,509 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:32,509 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:32,510 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:01:32,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:01:32,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:01:32,572 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845413087] [2019-10-13 23:01:32,572 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:01:32,572 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 23:01:32,573 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404839779] [2019-10-13 23:01:32,573 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 23:01:32,573 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:01:32,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 23:01:32,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 23:01:32,574 INFO L87 Difference]: Start difference. First operand 478 states and 564 transitions. Second operand 5 states. [2019-10-13 23:01:32,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:01:32,941 INFO L93 Difference]: Finished difference Result 656 states and 787 transitions. [2019-10-13 23:01:32,942 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 23:01:32,942 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 57 [2019-10-13 23:01:32,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:01:32,945 INFO L225 Difference]: With dead ends: 656 [2019-10-13 23:01:32,946 INFO L226 Difference]: Without dead ends: 478 [2019-10-13 23:01:32,947 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-13 23:01:32,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2019-10-13 23:01:32,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 478. [2019-10-13 23:01:32,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 478 states. [2019-10-13 23:01:32,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 563 transitions. [2019-10-13 23:01:32,986 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 563 transitions. Word has length 57 [2019-10-13 23:01:32,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:01:32,987 INFO L462 AbstractCegarLoop]: Abstraction has 478 states and 563 transitions. [2019-10-13 23:01:32,987 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 23:01:32,987 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 563 transitions. [2019-10-13 23:01:32,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-10-13 23:01:32,989 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:01:32,989 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, 1, 1] [2019-10-13 23:01:32,990 INFO L410 AbstractCegarLoop]: === Iteration 31 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:01:32,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:01:32,990 INFO L82 PathProgramCache]: Analyzing trace with hash -1328924742, now seen corresponding path program 1 times [2019-10-13 23:01:32,990 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:01:32,990 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812476049] [2019-10-13 23:01:32,991 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:32,991 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:32,991 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:01:33,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:01:33,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:01:33,102 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812476049] [2019-10-13 23:01:33,102 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:01:33,102 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 23:01:33,102 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127689081] [2019-10-13 23:01:33,102 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 23:01:33,103 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:01:33,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 23:01:33,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-13 23:01:33,103 INFO L87 Difference]: Start difference. First operand 478 states and 563 transitions. Second operand 8 states. [2019-10-13 23:01:33,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:01:33,272 INFO L93 Difference]: Finished difference Result 492 states and 576 transitions. [2019-10-13 23:01:33,273 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 23:01:33,273 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 49 [2019-10-13 23:01:33,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:01:33,276 INFO L225 Difference]: With dead ends: 492 [2019-10-13 23:01:33,276 INFO L226 Difference]: Without dead ends: 474 [2019-10-13 23:01:33,277 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 [2019-10-13 23:01:33,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2019-10-13 23:01:33,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 474. [2019-10-13 23:01:33,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 474 states. [2019-10-13 23:01:33,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 474 states and 557 transitions. [2019-10-13 23:01:33,307 INFO L78 Accepts]: Start accepts. Automaton has 474 states and 557 transitions. Word has length 49 [2019-10-13 23:01:33,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:01:33,307 INFO L462 AbstractCegarLoop]: Abstraction has 474 states and 557 transitions. [2019-10-13 23:01:33,307 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 23:01:33,308 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 557 transitions. [2019-10-13 23:01:33,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-10-13 23:01:33,309 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:01:33,309 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:01:33,309 INFO L410 AbstractCegarLoop]: === Iteration 32 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:01:33,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:01:33,310 INFO L82 PathProgramCache]: Analyzing trace with hash -1913204380, now seen corresponding path program 1 times [2019-10-13 23:01:33,310 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:01:33,310 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722200910] [2019-10-13 23:01:33,310 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:33,311 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:33,311 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:01:33,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:01:33,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:01:33,463 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722200910] [2019-10-13 23:01:33,463 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:01:33,463 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 23:01:33,463 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215176117] [2019-10-13 23:01:33,464 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 23:01:33,464 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:01:33,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 23:01:33,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-13 23:01:33,465 INFO L87 Difference]: Start difference. First operand 474 states and 557 transitions. Second operand 7 states. [2019-10-13 23:01:33,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:01:33,795 INFO L93 Difference]: Finished difference Result 493 states and 577 transitions. [2019-10-13 23:01:33,796 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 23:01:33,796 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2019-10-13 23:01:33,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:01:33,800 INFO L225 Difference]: With dead ends: 493 [2019-10-13 23:01:33,800 INFO L226 Difference]: Without dead ends: 490 [2019-10-13 23:01:33,802 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-10-13 23:01:33,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 490 states. [2019-10-13 23:01:33,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 490 to 474. [2019-10-13 23:01:33,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 474 states. [2019-10-13 23:01:33,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 474 states and 557 transitions. [2019-10-13 23:01:33,868 INFO L78 Accepts]: Start accepts. Automaton has 474 states and 557 transitions. Word has length 58 [2019-10-13 23:01:33,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:01:33,869 INFO L462 AbstractCegarLoop]: Abstraction has 474 states and 557 transitions. [2019-10-13 23:01:33,869 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 23:01:33,869 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 557 transitions. [2019-10-13 23:01:33,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-13 23:01:33,871 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:01:33,872 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, 1, 1, 1, 1, 1] [2019-10-13 23:01:33,872 INFO L410 AbstractCegarLoop]: === Iteration 33 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:01:33,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:01:33,872 INFO L82 PathProgramCache]: Analyzing trace with hash -1487745293, now seen corresponding path program 1 times [2019-10-13 23:01:33,873 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:01:33,873 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242008355] [2019-10-13 23:01:33,873 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:33,873 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:33,873 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:01:33,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:01:33,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:01:33,954 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242008355] [2019-10-13 23:01:33,954 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:01:33,954 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 23:01:33,955 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618862819] [2019-10-13 23:01:33,955 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 23:01:33,955 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:01:33,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 23:01:33,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 23:01:33,956 INFO L87 Difference]: Start difference. First operand 474 states and 557 transitions. Second operand 6 states. [2019-10-13 23:01:34,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:01:34,061 INFO L93 Difference]: Finished difference Result 503 states and 585 transitions. [2019-10-13 23:01:34,061 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 23:01:34,062 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 52 [2019-10-13 23:01:34,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:01:34,064 INFO L225 Difference]: With dead ends: 503 [2019-10-13 23:01:34,064 INFO L226 Difference]: Without dead ends: 481 [2019-10-13 23:01:34,065 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-13 23:01:34,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2019-10-13 23:01:34,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 469. [2019-10-13 23:01:34,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 469 states. [2019-10-13 23:01:34,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 551 transitions. [2019-10-13 23:01:34,102 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 551 transitions. Word has length 52 [2019-10-13 23:01:34,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:01:34,102 INFO L462 AbstractCegarLoop]: Abstraction has 469 states and 551 transitions. [2019-10-13 23:01:34,102 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 23:01:34,103 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 551 transitions. [2019-10-13 23:01:34,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-13 23:01:34,104 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:01:34,104 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, 1, 1, 1, 1, 1, 1] [2019-10-13 23:01:34,104 INFO L410 AbstractCegarLoop]: === Iteration 34 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:01:34,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:01:34,105 INFO L82 PathProgramCache]: Analyzing trace with hash -457860153, now seen corresponding path program 1 times [2019-10-13 23:01:34,105 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:01:34,105 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20946332] [2019-10-13 23:01:34,105 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:34,105 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:34,106 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:01:34,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:01:34,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:01:34,166 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20946332] [2019-10-13 23:01:34,166 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:01:34,167 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 23:01:34,167 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531169257] [2019-10-13 23:01:34,167 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 23:01:34,167 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:01:34,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 23:01:34,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 23:01:34,168 INFO L87 Difference]: Start difference. First operand 469 states and 551 transitions. Second operand 6 states. [2019-10-13 23:01:34,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:01:34,226 INFO L93 Difference]: Finished difference Result 481 states and 563 transitions. [2019-10-13 23:01:34,226 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 23:01:34,227 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 53 [2019-10-13 23:01:34,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:01:34,229 INFO L225 Difference]: With dead ends: 481 [2019-10-13 23:01:34,230 INFO L226 Difference]: Without dead ends: 454 [2019-10-13 23:01:34,230 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-13 23:01:34,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2019-10-13 23:01:34,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 452. [2019-10-13 23:01:34,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 452 states. [2019-10-13 23:01:34,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 530 transitions. [2019-10-13 23:01:34,267 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 530 transitions. Word has length 53 [2019-10-13 23:01:34,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:01:34,267 INFO L462 AbstractCegarLoop]: Abstraction has 452 states and 530 transitions. [2019-10-13 23:01:34,267 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 23:01:34,268 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 530 transitions. [2019-10-13 23:01:34,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-13 23:01:34,271 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:01:34,271 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:01:34,272 INFO L410 AbstractCegarLoop]: === Iteration 35 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:01:34,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:01:34,272 INFO L82 PathProgramCache]: Analyzing trace with hash -1733197131, now seen corresponding path program 1 times [2019-10-13 23:01:34,272 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:01:34,272 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985615608] [2019-10-13 23:01:34,273 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:34,273 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:34,273 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:01:34,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:01:34,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:01:34,387 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985615608] [2019-10-13 23:01:34,388 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:01:34,388 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 23:01:34,388 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77455996] [2019-10-13 23:01:34,388 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 23:01:34,389 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:01:34,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 23:01:34,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 23:01:34,389 INFO L87 Difference]: Start difference. First operand 452 states and 530 transitions. Second operand 5 states. [2019-10-13 23:01:34,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:01:34,759 INFO L93 Difference]: Finished difference Result 705 states and 841 transitions. [2019-10-13 23:01:34,759 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 23:01:34,759 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 57 [2019-10-13 23:01:34,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:01:34,765 INFO L225 Difference]: With dead ends: 705 [2019-10-13 23:01:34,766 INFO L226 Difference]: Without dead ends: 533 [2019-10-13 23:01:34,767 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-13 23:01:34,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 533 states. [2019-10-13 23:01:34,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 533 to 502. [2019-10-13 23:01:34,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 502 states. [2019-10-13 23:01:34,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 502 states and 592 transitions. [2019-10-13 23:01:34,807 INFO L78 Accepts]: Start accepts. Automaton has 502 states and 592 transitions. Word has length 57 [2019-10-13 23:01:34,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:01:34,808 INFO L462 AbstractCegarLoop]: Abstraction has 502 states and 592 transitions. [2019-10-13 23:01:34,808 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 23:01:34,808 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 592 transitions. [2019-10-13 23:01:34,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-13 23:01:34,810 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:01:34,810 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, 1, 1, 1, 1, 1] [2019-10-13 23:01:34,810 INFO L410 AbstractCegarLoop]: === Iteration 36 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:01:34,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:01:34,811 INFO L82 PathProgramCache]: Analyzing trace with hash 838098221, now seen corresponding path program 1 times [2019-10-13 23:01:34,811 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:01:34,811 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32121601] [2019-10-13 23:01:34,812 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:34,812 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:34,812 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:01:34,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:01:34,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:01:34,971 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32121601] [2019-10-13 23:01:34,971 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:01:34,971 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-13 23:01:34,972 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530026511] [2019-10-13 23:01:34,972 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 23:01:34,972 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:01:34,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 23:01:34,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-13 23:01:34,973 INFO L87 Difference]: Start difference. First operand 502 states and 592 transitions. Second operand 9 states. [2019-10-13 23:01:35,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:01:35,203 INFO L93 Difference]: Finished difference Result 517 states and 606 transitions. [2019-10-13 23:01:35,203 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-13 23:01:35,203 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 52 [2019-10-13 23:01:35,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:01:35,206 INFO L225 Difference]: With dead ends: 517 [2019-10-13 23:01:35,206 INFO L226 Difference]: Without dead ends: 498 [2019-10-13 23:01:35,206 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 [2019-10-13 23:01:35,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 498 states. [2019-10-13 23:01:35,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 498 to 498. [2019-10-13 23:01:35,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 498 states. [2019-10-13 23:01:35,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 586 transitions. [2019-10-13 23:01:35,244 INFO L78 Accepts]: Start accepts. Automaton has 498 states and 586 transitions. Word has length 52 [2019-10-13 23:01:35,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:01:35,244 INFO L462 AbstractCegarLoop]: Abstraction has 498 states and 586 transitions. [2019-10-13 23:01:35,244 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 23:01:35,245 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 586 transitions. [2019-10-13 23:01:35,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-13 23:01:35,250 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:01:35,250 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, 1, 1, 1, 1, 1] [2019-10-13 23:01:35,251 INFO L410 AbstractCegarLoop]: === Iteration 37 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:01:35,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:01:35,251 INFO L82 PathProgramCache]: Analyzing trace with hash 1594848538, now seen corresponding path program 1 times [2019-10-13 23:01:35,251 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:01:35,251 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800199792] [2019-10-13 23:01:35,251 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:35,252 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:35,252 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:01:35,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:01:35,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:01:35,386 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800199792] [2019-10-13 23:01:35,386 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:01:35,387 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-13 23:01:35,387 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452867963] [2019-10-13 23:01:35,388 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 23:01:35,388 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:01:35,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 23:01:35,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-13 23:01:35,390 INFO L87 Difference]: Start difference. First operand 498 states and 586 transitions. Second operand 9 states. [2019-10-13 23:01:35,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:01:35,629 INFO L93 Difference]: Finished difference Result 513 states and 600 transitions. [2019-10-13 23:01:35,629 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-13 23:01:35,629 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 52 [2019-10-13 23:01:35,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:01:35,633 INFO L225 Difference]: With dead ends: 513 [2019-10-13 23:01:35,633 INFO L226 Difference]: Without dead ends: 494 [2019-10-13 23:01:35,635 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2019-10-13 23:01:35,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494 states. [2019-10-13 23:01:35,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 494. [2019-10-13 23:01:35,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 494 states. [2019-10-13 23:01:35,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 580 transitions. [2019-10-13 23:01:35,678 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 580 transitions. Word has length 52 [2019-10-13 23:01:35,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:01:35,678 INFO L462 AbstractCegarLoop]: Abstraction has 494 states and 580 transitions. [2019-10-13 23:01:35,678 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 23:01:35,678 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 580 transitions. [2019-10-13 23:01:35,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-13 23:01:35,680 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:01:35,680 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, 1, 1, 1, 1, 1, 1] [2019-10-13 23:01:35,680 INFO L410 AbstractCegarLoop]: === Iteration 38 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:01:35,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:01:35,680 INFO L82 PathProgramCache]: Analyzing trace with hash 1542682953, now seen corresponding path program 1 times [2019-10-13 23:01:35,681 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:01:35,681 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381981461] [2019-10-13 23:01:35,681 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:35,681 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:35,681 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:01:35,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:01:35,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:01:35,795 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381981461] [2019-10-13 23:01:35,795 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:01:35,795 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-13 23:01:35,796 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351097681] [2019-10-13 23:01:35,796 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 23:01:35,796 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:01:35,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 23:01:35,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-13 23:01:35,797 INFO L87 Difference]: Start difference. First operand 494 states and 580 transitions. Second operand 9 states. [2019-10-13 23:01:36,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:01:36,009 INFO L93 Difference]: Finished difference Result 509 states and 594 transitions. [2019-10-13 23:01:36,009 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-13 23:01:36,009 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 53 [2019-10-13 23:01:36,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:01:36,012 INFO L225 Difference]: With dead ends: 509 [2019-10-13 23:01:36,012 INFO L226 Difference]: Without dead ends: 490 [2019-10-13 23:01:36,013 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2019-10-13 23:01:36,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 490 states. [2019-10-13 23:01:36,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 490 to 490. [2019-10-13 23:01:36,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 490 states. [2019-10-13 23:01:36,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 490 states and 574 transitions. [2019-10-13 23:01:36,047 INFO L78 Accepts]: Start accepts. Automaton has 490 states and 574 transitions. Word has length 53 [2019-10-13 23:01:36,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:01:36,047 INFO L462 AbstractCegarLoop]: Abstraction has 490 states and 574 transitions. [2019-10-13 23:01:36,047 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 23:01:36,047 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 574 transitions. [2019-10-13 23:01:36,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-10-13 23:01:36,049 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:01:36,049 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:01:36,049 INFO L410 AbstractCegarLoop]: === Iteration 39 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:01:36,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:01:36,049 INFO L82 PathProgramCache]: Analyzing trace with hash -1273072073, now seen corresponding path program 1 times [2019-10-13 23:01:36,050 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:01:36,050 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022461804] [2019-10-13 23:01:36,050 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:36,050 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:36,050 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:01:36,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:01:36,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:01:36,114 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022461804] [2019-10-13 23:01:36,114 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:01:36,114 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 23:01:36,114 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006599440] [2019-10-13 23:01:36,114 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 23:01:36,115 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:01:36,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 23:01:36,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 23:01:36,115 INFO L87 Difference]: Start difference. First operand 490 states and 574 transitions. Second operand 5 states. [2019-10-13 23:01:36,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:01:36,158 INFO L93 Difference]: Finished difference Result 511 states and 593 transitions. [2019-10-13 23:01:36,159 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 23:01:36,159 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 56 [2019-10-13 23:01:36,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:01:36,162 INFO L225 Difference]: With dead ends: 511 [2019-10-13 23:01:36,162 INFO L226 Difference]: Without dead ends: 488 [2019-10-13 23:01:36,164 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 [2019-10-13 23:01:36,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2019-10-13 23:01:36,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 485. [2019-10-13 23:01:36,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 485 states. [2019-10-13 23:01:36,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 485 states and 567 transitions. [2019-10-13 23:01:36,195 INFO L78 Accepts]: Start accepts. Automaton has 485 states and 567 transitions. Word has length 56 [2019-10-13 23:01:36,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:01:36,195 INFO L462 AbstractCegarLoop]: Abstraction has 485 states and 567 transitions. [2019-10-13 23:01:36,195 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 23:01:36,196 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 567 transitions. [2019-10-13 23:01:36,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-10-13 23:01:36,197 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:01:36,197 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:01:36,197 INFO L410 AbstractCegarLoop]: === Iteration 40 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:01:36,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:01:36,198 INFO L82 PathProgramCache]: Analyzing trace with hash 63394735, now seen corresponding path program 1 times [2019-10-13 23:01:36,198 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:01:36,198 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296157634] [2019-10-13 23:01:36,198 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:36,198 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:36,199 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:01:36,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:01:36,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:01:36,348 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296157634] [2019-10-13 23:01:36,348 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:01:36,349 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-13 23:01:36,349 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809750803] [2019-10-13 23:01:36,350 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 23:01:36,350 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:01:36,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 23:01:36,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-13 23:01:36,351 INFO L87 Difference]: Start difference. First operand 485 states and 567 transitions. Second operand 9 states. [2019-10-13 23:01:36,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:01:36,653 INFO L93 Difference]: Finished difference Result 500 states and 581 transitions. [2019-10-13 23:01:36,653 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-13 23:01:36,654 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 56 [2019-10-13 23:01:36,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:01:36,657 INFO L225 Difference]: With dead ends: 500 [2019-10-13 23:01:36,657 INFO L226 Difference]: Without dead ends: 468 [2019-10-13 23:01:36,658 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 [2019-10-13 23:01:36,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 468 states. [2019-10-13 23:01:36,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 468 to 468. [2019-10-13 23:01:36,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 468 states. [2019-10-13 23:01:36,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 546 transitions. [2019-10-13 23:01:36,693 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 546 transitions. Word has length 56 [2019-10-13 23:01:36,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:01:36,693 INFO L462 AbstractCegarLoop]: Abstraction has 468 states and 546 transitions. [2019-10-13 23:01:36,693 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 23:01:36,693 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 546 transitions. [2019-10-13 23:01:36,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-10-13 23:01:36,694 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:01:36,695 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:01:36,695 INFO L410 AbstractCegarLoop]: === Iteration 41 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:01:36,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:01:36,695 INFO L82 PathProgramCache]: Analyzing trace with hash 1940722786, now seen corresponding path program 1 times [2019-10-13 23:01:36,695 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:01:36,696 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792997088] [2019-10-13 23:01:36,696 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:36,696 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:36,696 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:01:36,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:01:36,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:01:36,808 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792997088] [2019-10-13 23:01:36,809 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:01:36,809 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 23:01:36,809 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238589546] [2019-10-13 23:01:36,810 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 23:01:36,810 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:01:36,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 23:01:36,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-13 23:01:36,810 INFO L87 Difference]: Start difference. First operand 468 states and 546 transitions. Second operand 8 states. [2019-10-13 23:01:36,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:01:36,961 INFO L93 Difference]: Finished difference Result 479 states and 556 transitions. [2019-10-13 23:01:36,961 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 23:01:36,961 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 56 [2019-10-13 23:01:36,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:01:36,964 INFO L225 Difference]: With dead ends: 479 [2019-10-13 23:01:36,964 INFO L226 Difference]: Without dead ends: 459 [2019-10-13 23:01:36,965 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 [2019-10-13 23:01:36,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 459 states. [2019-10-13 23:01:36,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 459 to 459. [2019-10-13 23:01:36,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 459 states. [2019-10-13 23:01:36,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 535 transitions. [2019-10-13 23:01:36,999 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 535 transitions. Word has length 56 [2019-10-13 23:01:36,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:01:37,000 INFO L462 AbstractCegarLoop]: Abstraction has 459 states and 535 transitions. [2019-10-13 23:01:37,000 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 23:01:37,000 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 535 transitions. [2019-10-13 23:01:37,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-10-13 23:01:37,003 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:01:37,004 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:01:37,004 INFO L410 AbstractCegarLoop]: === Iteration 42 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:01:37,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:01:37,004 INFO L82 PathProgramCache]: Analyzing trace with hash -259612304, now seen corresponding path program 1 times [2019-10-13 23:01:37,004 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:01:37,006 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502236698] [2019-10-13 23:01:37,006 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:37,006 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:37,006 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:01:37,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:01:37,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:01:37,129 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502236698] [2019-10-13 23:01:37,129 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:01:37,130 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-13 23:01:37,130 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374212921] [2019-10-13 23:01:37,130 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-13 23:01:37,130 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:01:37,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-13 23:01:37,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2019-10-13 23:01:37,131 INFO L87 Difference]: Start difference. First operand 459 states and 535 transitions. Second operand 10 states. [2019-10-13 23:01:37,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:01:37,806 INFO L93 Difference]: Finished difference Result 493 states and 569 transitions. [2019-10-13 23:01:37,806 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-13 23:01:37,807 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 66 [2019-10-13 23:01:37,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:01:37,809 INFO L225 Difference]: With dead ends: 493 [2019-10-13 23:01:37,809 INFO L226 Difference]: Without dead ends: 457 [2019-10-13 23:01:37,810 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2019-10-13 23:01:37,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2019-10-13 23:01:37,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 457. [2019-10-13 23:01:37,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 457 states. [2019-10-13 23:01:37,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 457 states and 530 transitions. [2019-10-13 23:01:37,844 INFO L78 Accepts]: Start accepts. Automaton has 457 states and 530 transitions. Word has length 66 [2019-10-13 23:01:37,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:01:37,845 INFO L462 AbstractCegarLoop]: Abstraction has 457 states and 530 transitions. [2019-10-13 23:01:37,845 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-13 23:01:37,845 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 530 transitions. [2019-10-13 23:01:37,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-10-13 23:01:37,847 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:01:37,847 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:01:37,848 INFO L410 AbstractCegarLoop]: === Iteration 43 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:01:37,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:01:37,848 INFO L82 PathProgramCache]: Analyzing trace with hash 157821587, now seen corresponding path program 1 times [2019-10-13 23:01:37,848 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:01:37,849 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349835407] [2019-10-13 23:01:37,849 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:37,849 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:37,849 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:01:37,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:01:37,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:01:37,928 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349835407] [2019-10-13 23:01:37,928 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:01:37,928 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 23:01:37,928 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163973719] [2019-10-13 23:01:37,929 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 23:01:37,929 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:01:37,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 23:01:37,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 23:01:37,929 INFO L87 Difference]: Start difference. First operand 457 states and 530 transitions. Second operand 6 states. [2019-10-13 23:01:37,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:01:37,988 INFO L93 Difference]: Finished difference Result 462 states and 534 transitions. [2019-10-13 23:01:37,988 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 23:01:37,988 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 59 [2019-10-13 23:01:37,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:01:37,990 INFO L225 Difference]: With dead ends: 462 [2019-10-13 23:01:37,990 INFO L226 Difference]: Without dead ends: 410 [2019-10-13 23:01:37,992 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-13 23:01:37,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2019-10-13 23:01:38,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 410. [2019-10-13 23:01:38,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 410 states. [2019-10-13 23:01:38,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 474 transitions. [2019-10-13 23:01:38,024 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 474 transitions. Word has length 59 [2019-10-13 23:01:38,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:01:38,025 INFO L462 AbstractCegarLoop]: Abstraction has 410 states and 474 transitions. [2019-10-13 23:01:38,026 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 23:01:38,026 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 474 transitions. [2019-10-13 23:01:38,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-10-13 23:01:38,027 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:01:38,027 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:01:38,028 INFO L410 AbstractCegarLoop]: === Iteration 44 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:01:38,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:01:38,028 INFO L82 PathProgramCache]: Analyzing trace with hash -237484545, now seen corresponding path program 1 times [2019-10-13 23:01:38,028 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:01:38,028 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726741440] [2019-10-13 23:01:38,029 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:38,029 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:38,029 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:01:38,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:01:38,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:01:38,166 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726741440] [2019-10-13 23:01:38,166 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:01:38,166 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 23:01:38,166 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315594013] [2019-10-13 23:01:38,166 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 23:01:38,167 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:01:38,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 23:01:38,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-10-13 23:01:38,167 INFO L87 Difference]: Start difference. First operand 410 states and 474 transitions. Second operand 8 states. [2019-10-13 23:01:38,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:01:38,765 INFO L93 Difference]: Finished difference Result 492 states and 583 transitions. [2019-10-13 23:01:38,765 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-13 23:01:38,765 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 67 [2019-10-13 23:01:38,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:01:38,768 INFO L225 Difference]: With dead ends: 492 [2019-10-13 23:01:38,768 INFO L226 Difference]: Without dead ends: 488 [2019-10-13 23:01:38,769 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-10-13 23:01:38,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2019-10-13 23:01:38,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 410. [2019-10-13 23:01:38,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 410 states. [2019-10-13 23:01:38,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 474 transitions. [2019-10-13 23:01:38,802 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 474 transitions. Word has length 67 [2019-10-13 23:01:38,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:01:38,802 INFO L462 AbstractCegarLoop]: Abstraction has 410 states and 474 transitions. [2019-10-13 23:01:38,802 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 23:01:38,802 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 474 transitions. [2019-10-13 23:01:38,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-10-13 23:01:38,804 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:01:38,804 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:01:38,804 INFO L410 AbstractCegarLoop]: === Iteration 45 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:01:38,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:01:38,804 INFO L82 PathProgramCache]: Analyzing trace with hash 597157261, now seen corresponding path program 1 times [2019-10-13 23:01:38,805 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:01:38,805 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847722793] [2019-10-13 23:01:38,805 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:38,805 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:38,805 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:01:38,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:01:38,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:01:38,854 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847722793] [2019-10-13 23:01:38,854 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:01:38,854 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 23:01:38,855 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641127175] [2019-10-13 23:01:38,855 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 23:01:38,855 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:01:38,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 23:01:38,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 23:01:38,856 INFO L87 Difference]: Start difference. First operand 410 states and 474 transitions. Second operand 5 states. [2019-10-13 23:01:39,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:01:39,293 INFO L93 Difference]: Finished difference Result 708 states and 800 transitions. [2019-10-13 23:01:39,294 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 23:01:39,294 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 62 [2019-10-13 23:01:39,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:01:39,297 INFO L225 Difference]: With dead ends: 708 [2019-10-13 23:01:39,297 INFO L226 Difference]: Without dead ends: 445 [2019-10-13 23:01:39,298 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-13 23:01:39,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2019-10-13 23:01:39,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 425. [2019-10-13 23:01:39,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 425 states. [2019-10-13 23:01:39,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 483 transitions. [2019-10-13 23:01:39,338 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 483 transitions. Word has length 62 [2019-10-13 23:01:39,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:01:39,338 INFO L462 AbstractCegarLoop]: Abstraction has 425 states and 483 transitions. [2019-10-13 23:01:39,338 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 23:01:39,338 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 483 transitions. [2019-10-13 23:01:39,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-10-13 23:01:39,340 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:01:39,340 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:01:39,340 INFO L410 AbstractCegarLoop]: === Iteration 46 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:01:39,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:01:39,341 INFO L82 PathProgramCache]: Analyzing trace with hash 509313900, now seen corresponding path program 1 times [2019-10-13 23:01:39,341 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:01:39,341 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833107654] [2019-10-13 23:01:39,341 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:39,341 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:39,341 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:01:39,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:01:39,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:01:39,390 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833107654] [2019-10-13 23:01:39,390 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:01:39,391 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 23:01:39,391 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563600690] [2019-10-13 23:01:39,391 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 23:01:39,391 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:01:39,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 23:01:39,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 23:01:39,392 INFO L87 Difference]: Start difference. First operand 425 states and 483 transitions. Second operand 5 states. [2019-10-13 23:01:39,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:01:39,466 INFO L93 Difference]: Finished difference Result 464 states and 521 transitions. [2019-10-13 23:01:39,466 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 23:01:39,466 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2019-10-13 23:01:39,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:01:39,469 INFO L225 Difference]: With dead ends: 464 [2019-10-13 23:01:39,470 INFO L226 Difference]: Without dead ends: 425 [2019-10-13 23:01:39,470 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 [2019-10-13 23:01:39,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2019-10-13 23:01:39,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 425. [2019-10-13 23:01:39,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 425 states. [2019-10-13 23:01:39,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 482 transitions. [2019-10-13 23:01:39,505 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 482 transitions. Word has length 65 [2019-10-13 23:01:39,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:01:39,505 INFO L462 AbstractCegarLoop]: Abstraction has 425 states and 482 transitions. [2019-10-13 23:01:39,505 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 23:01:39,506 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 482 transitions. [2019-10-13 23:01:39,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-10-13 23:01:39,507 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:01:39,507 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:01:39,507 INFO L410 AbstractCegarLoop]: === Iteration 47 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:01:39,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:01:39,508 INFO L82 PathProgramCache]: Analyzing trace with hash 829236696, now seen corresponding path program 1 times [2019-10-13 23:01:39,508 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:01:39,508 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350420186] [2019-10-13 23:01:39,508 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:39,508 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:39,508 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:01:39,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:01:39,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:01:39,600 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350420186] [2019-10-13 23:01:39,600 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:01:39,600 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 23:01:39,600 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647358037] [2019-10-13 23:01:39,601 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 23:01:39,601 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:01:39,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 23:01:39,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-13 23:01:39,604 INFO L87 Difference]: Start difference. First operand 425 states and 482 transitions. Second operand 7 states. [2019-10-13 23:01:39,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:01:39,749 INFO L93 Difference]: Finished difference Result 442 states and 498 transitions. [2019-10-13 23:01:39,749 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 23:01:39,749 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 74 [2019-10-13 23:01:39,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:01:39,752 INFO L225 Difference]: With dead ends: 442 [2019-10-13 23:01:39,752 INFO L226 Difference]: Without dead ends: 423 [2019-10-13 23:01:39,752 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2019-10-13 23:01:39,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2019-10-13 23:01:39,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 384. [2019-10-13 23:01:39,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 384 states. [2019-10-13 23:01:39,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 430 transitions. [2019-10-13 23:01:39,792 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 430 transitions. Word has length 74 [2019-10-13 23:01:39,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:01:39,792 INFO L462 AbstractCegarLoop]: Abstraction has 384 states and 430 transitions. [2019-10-13 23:01:39,793 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 23:01:39,793 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 430 transitions. [2019-10-13 23:01:39,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-10-13 23:01:39,794 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:01:39,795 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:01:39,795 INFO L410 AbstractCegarLoop]: === Iteration 48 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:01:39,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:01:39,795 INFO L82 PathProgramCache]: Analyzing trace with hash -438459579, now seen corresponding path program 1 times [2019-10-13 23:01:39,795 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:01:39,796 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12652255] [2019-10-13 23:01:39,796 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:39,796 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:39,796 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:01:39,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:01:39,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:01:39,926 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12652255] [2019-10-13 23:01:39,926 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:01:39,926 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-13 23:01:39,926 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416570249] [2019-10-13 23:01:39,927 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-13 23:01:39,927 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:01:39,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-13 23:01:39,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2019-10-13 23:01:39,928 INFO L87 Difference]: Start difference. First operand 384 states and 430 transitions. Second operand 10 states. [2019-10-13 23:01:40,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:01:40,501 INFO L93 Difference]: Finished difference Result 500 states and 559 transitions. [2019-10-13 23:01:40,501 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-13 23:01:40,501 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 75 [2019-10-13 23:01:40,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:01:40,503 INFO L225 Difference]: With dead ends: 500 [2019-10-13 23:01:40,503 INFO L226 Difference]: Without dead ends: 356 [2019-10-13 23:01:40,504 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2019-10-13 23:01:40,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2019-10-13 23:01:40,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 352. [2019-10-13 23:01:40,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 352 states. [2019-10-13 23:01:40,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 391 transitions. [2019-10-13 23:01:40,543 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 391 transitions. Word has length 75 [2019-10-13 23:01:40,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:01:40,543 INFO L462 AbstractCegarLoop]: Abstraction has 352 states and 391 transitions. [2019-10-13 23:01:40,543 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-13 23:01:40,544 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 391 transitions. [2019-10-13 23:01:40,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-10-13 23:01:40,545 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:01:40,545 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:01:40,545 INFO L410 AbstractCegarLoop]: === Iteration 49 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:01:40,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:01:40,546 INFO L82 PathProgramCache]: Analyzing trace with hash 920929394, now seen corresponding path program 1 times [2019-10-13 23:01:40,546 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:01:40,546 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789368364] [2019-10-13 23:01:40,546 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:40,546 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:40,546 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:01:40,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-13 23:01:40,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-13 23:01:40,715 INFO L168 tionRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-10-13 23:01:40,715 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-10-13 23:01:40,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 11:01:40 BoogieIcfgContainer [2019-10-13 23:01:40,899 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 23:01:40,902 INFO L168 Benchmark]: Toolchain (without parser) took 23813.24 ms. Allocated memory was 138.9 MB in the beginning and 598.7 MB in the end (delta: 459.8 MB). Free memory was 100.7 MB in the beginning and 248.3 MB in the end (delta: -147.7 MB). Peak memory consumption was 312.1 MB. Max. memory is 7.1 GB. [2019-10-13 23:01:40,903 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 138.9 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-13 23:01:40,903 INFO L168 Benchmark]: CACSL2BoogieTranslator took 759.35 ms. Allocated memory was 138.9 MB in the beginning and 201.9 MB in the end (delta: 62.9 MB). Free memory was 100.5 MB in the beginning and 166.3 MB in the end (delta: -65.8 MB). Peak memory consumption was 29.6 MB. Max. memory is 7.1 GB. [2019-10-13 23:01:40,904 INFO L168 Benchmark]: Boogie Preprocessor took 92.93 ms. Allocated memory is still 201.9 MB. Free memory was 166.3 MB in the beginning and 162.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-10-13 23:01:40,904 INFO L168 Benchmark]: RCFGBuilder took 1749.12 ms. Allocated memory was 201.9 MB in the beginning and 235.9 MB in the end (delta: 34.1 MB). Free memory was 161.5 MB in the beginning and 103.3 MB in the end (delta: 58.2 MB). Peak memory consumption was 92.3 MB. Max. memory is 7.1 GB. [2019-10-13 23:01:40,906 INFO L168 Benchmark]: TraceAbstraction took 21207.57 ms. Allocated memory was 235.9 MB in the beginning and 598.7 MB in the end (delta: 362.8 MB). Free memory was 101.8 MB in the beginning and 248.3 MB in the end (delta: -146.5 MB). Peak memory consumption was 216.3 MB. Max. memory is 7.1 GB. [2019-10-13 23:01:40,908 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 138.9 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 759.35 ms. Allocated memory was 138.9 MB in the beginning and 201.9 MB in the end (delta: 62.9 MB). Free memory was 100.5 MB in the beginning and 166.3 MB in the end (delta: -65.8 MB). Peak memory consumption was 29.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 92.93 ms. Allocated memory is still 201.9 MB. Free memory was 166.3 MB in the beginning and 162.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1749.12 ms. Allocated memory was 201.9 MB in the beginning and 235.9 MB in the end (delta: 34.1 MB). Free memory was 161.5 MB in the beginning and 103.3 MB in the end (delta: 58.2 MB). Peak memory consumption was 92.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 21207.57 ms. Allocated memory was 235.9 MB in the beginning and 598.7 MB in the end (delta: 362.8 MB). Free memory was 101.8 MB in the beginning and 248.3 MB in the end (delta: -146.5 MB). Peak memory consumption was 216.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1626]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L41] int FloppyThread ; [L42] int KernelMode ; [L43] int Suspended ; [L44] int Executive ; [L45] int DiskController ; [L46] int FloppyDiskPeripheral ; [L47] int FlConfigCallBack ; [L48] int MaximumInterfaceType ; [L49] int MOUNTDEV_MOUNTED_DEVICE_GUID ; [L50] int myStatus ; [L51] int s ; [L52] int UNLOADED ; [L53] int NP ; [L54] int DC ; [L55] int SKIP1 ; [L56] int SKIP2 ; [L57] int MPR1 ; [L58] int MPR3 ; [L59] int IPC ; [L60] int pended ; [L61] int compRegistered ; [L62] int lowerDriverReturn ; [L63] int setEventCalled ; [L64] int customIrp ; [L87] int PagingReferenceCount = 0; [L88] int PagingMutex = 0; [L667] int status ; [L668] int irp = __VERIFIER_nondet_int() ; [L669] int pirp ; [L670] int pirp__IoStatus__Status ; [L671] int irp_choice = __VERIFIER_nondet_int() ; [L672] int devobj = __VERIFIER_nondet_int() ; [L673] int __cil_tmp8 ; [L675] FloppyThread = 0 [L676] KernelMode = 0 [L677] Suspended = 0 [L678] Executive = 0 [L679] DiskController = 0 [L680] FloppyDiskPeripheral = 0 [L681] FlConfigCallBack = 0 [L682] MaximumInterfaceType = 0 [L683] MOUNTDEV_MOUNTED_DEVICE_GUID = 0 [L684] myStatus = 0 [L685] s = 0 [L686] UNLOADED = 0 [L687] NP = 0 [L688] DC = 0 [L689] SKIP1 = 0 [L690] SKIP2 = 0 [L691] MPR1 = 0 [L692] MPR3 = 0 [L693] IPC = 0 [L694] pended = 0 [L695] compRegistered = 0 [L696] lowerDriverReturn = 0 [L697] setEventCalled = 0 [L698] customIrp = 0 [L702] status = 0 [L703] pirp = irp VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=0, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=0, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=0, MPR3=0, myStatus=0, NP=0, PagingMutex=0, PagingReferenceCount=0, pended=0, pirp=0, s=0, setEventCalled=0, SKIP1=0, SKIP2=0, status=0, Suspended=0, UNLOADED=0] [L704] CALL _BLAST_init() VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=0, MPR3=0, myStatus=0, NP=0, PagingMutex=0, PagingReferenceCount=0, pended=0, s=0, setEventCalled=0, SKIP1=0, SKIP2=0, Suspended=0, UNLOADED=0] [L70] UNLOADED = 0 [L71] NP = 1 [L72] DC = 2 [L73] SKIP1 = 3 [L74] SKIP2 = 4 [L75] MPR1 = 5 [L76] MPR3 = 6 [L77] IPC = 7 [L78] s = UNLOADED [L79] pended = 0 [L80] compRegistered = 0 [L81] lowerDriverReturn = 0 [L82] setEventCalled = 0 [L83] customIrp = 0 [L704] RET _BLAST_init() VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, pirp=0, s=0, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, UNLOADED=0] [L706] COND TRUE status >= 0 [L707] s = NP [L708] customIrp = 0 [L709] setEventCalled = customIrp [L710] lowerDriverReturn = setEventCalled [L711] compRegistered = lowerDriverReturn [L712] pended = compRegistered [L713] pirp__IoStatus__Status = 0 [L714] myStatus = 0 [L715] COND TRUE irp_choice == 0 [L716] pirp__IoStatus__Status = -1073741637 [L717] myStatus = -1073741637 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, pirp=0, pirp__IoStatus__Status=-1073741637, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, UNLOADED=0] [L720] CALL stub_driver_init() VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L657] s = NP [L658] pended = 0 [L659] compRegistered = 0 [L660] lowerDriverReturn = 0 [L661] setEventCalled = 0 [L662] customIrp = 0 [L720] RET stub_driver_init() VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, pirp=0, pirp__IoStatus__Status=-1073741637, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, UNLOADED=0] [L723] COND FALSE !(status < 0) [L727] int tmp_ndt_1; [L728] tmp_ndt_1 = __VERIFIER_nondet_int() [L729] COND FALSE !(tmp_ndt_1 == 0) [L732] int tmp_ndt_2; [L733] tmp_ndt_2 = __VERIFIER_nondet_int() [L734] COND FALSE !(tmp_ndt_2 == 1) [L737] int tmp_ndt_3; [L738] tmp_ndt_3 = __VERIFIER_nondet_int() [L739] COND FALSE !(tmp_ndt_3 == 2) [L742] int tmp_ndt_4; [L743] tmp_ndt_4 = __VERIFIER_nondet_int() [L744] COND TRUE tmp_ndt_4 == 3 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, pirp=0, pirp__IoStatus__Status=-1073741637, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0] [L766] CALL, EXPR FloppyPnp(devobj, pirp) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L160] int DeviceObject__DeviceExtension = __VERIFIER_nondet_int() ; [L161] int Irp__Tail__Overlay__CurrentStackLocation = __VERIFIER_nondet_int() ; [L162] int Irp__IoStatus__Information ; [L163] int Irp__IoStatus__Status ; [L164] int Irp__CurrentLocation = __VERIFIER_nondet_int() ; [L165] int disketteExtension__IsRemoved = __VERIFIER_nondet_int() ; [L166] int disketteExtension__IsStarted = __VERIFIER_nondet_int() ; [L167] int disketteExtension__TargetObject = __VERIFIER_nondet_int() ; [L168] int disketteExtension__HoldNewRequests ; [L169] int disketteExtension__FloppyThread = __VERIFIER_nondet_int() ; [L170] int disketteExtension__InterfaceString__Buffer = __VERIFIER_nondet_int() ; [L171] int disketteExtension__InterfaceString = __VERIFIER_nondet_int() ; [L172] int disketteExtension__ArcName__Length = __VERIFIER_nondet_int() ; [L173] int disketteExtension__ArcName = __VERIFIER_nondet_int() ; [L174] int irpSp__MinorFunction = __VERIFIER_nondet_int() ; [L175] int IoGetConfigurationInformation__FloppyCount = __VERIFIER_nondet_int() ; [L176] int irpSp ; [L177] int disketteExtension ; [L178] int ntStatus ; [L179] int doneEvent = __VERIFIER_nondet_int() ; [L180] int irpSp___0 ; [L181] int nextIrpSp ; [L182] int nextIrpSp__Control ; [L183] int irpSp___1 ; [L184] int irpSp__Context ; [L185] int irpSp__Control ; [L186] long __cil_tmp29 ; [L187] long __cil_tmp30 ; [L190] ntStatus = 0 [L191] PagingReferenceCount ++ [L192] COND TRUE PagingReferenceCount == 1 [L195] disketteExtension = DeviceObject__DeviceExtension [L196] irpSp = Irp__Tail__Overlay__CurrentStackLocation VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=-3, irpSp=-3, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L197] COND FALSE !(\read(disketteExtension__IsRemoved)) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=-3, irpSp=-3, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L206] COND FALSE !(irpSp__MinorFunction == 0) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=-3, irpSp=-3, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L209] COND TRUE irpSp__MinorFunction == 5 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=-3, irpSp=-3, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L235] COND TRUE irpSp__MinorFunction == 5 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=-3, irpSp=-3, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L238] COND FALSE !(! disketteExtension__IsStarted) [L254] disketteExtension__HoldNewRequests = 1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=1, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=-3, irpSp=-3, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L255] CALL, EXPR FlQueueIrpToThread(Irp, disketteExtension) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(DisketteExtension)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=1, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L97] int status ; [L98] int threadHandle = __VERIFIER_nondet_int() ; [L99] int DisketteExtension__PoweringDown = __VERIFIER_nondet_int() ; [L100] int DisketteExtension__ThreadReferenceCount = __VERIFIER_nondet_int() ; [L101] int DisketteExtension__FloppyThread = __VERIFIER_nondet_int() ; [L102] int Irp__IoStatus__Status ; [L103] int Irp__IoStatus__Information ; [L104] int Irp__Tail__Overlay__CurrentStackLocation__Control ; [L105] int ObjAttributes = __VERIFIER_nondet_int() ; [L106] int __cil_tmp12 ; [L107] int __cil_tmp13 ; VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(DisketteExtension)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=1, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, DisketteExtension=0, DisketteExtension__FloppyThread=0, DisketteExtension__PoweringDown=0, DisketteExtension__ThreadReferenceCount=-2, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ObjAttributes=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, threadHandle=0, UNLOADED=0] [L110] COND FALSE !(DisketteExtension__PoweringDown == 1) [L116] DisketteExtension__ThreadReferenceCount ++ VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(DisketteExtension)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=1, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, DisketteExtension=0, DisketteExtension__FloppyThread=0, DisketteExtension__PoweringDown=0, DisketteExtension__ThreadReferenceCount=-1, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ObjAttributes=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, threadHandle=0, UNLOADED=0] [L117] COND FALSE !(DisketteExtension__ThreadReferenceCount == 0) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(DisketteExtension)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=1, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, DisketteExtension=0, DisketteExtension__FloppyThread=0, DisketteExtension__PoweringDown=0, DisketteExtension__ThreadReferenceCount=-1, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ObjAttributes=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, threadHandle=0, UNLOADED=0] [L149] COND TRUE pended == 0 [L150] pended = 1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(DisketteExtension)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=1, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, DisketteExtension=0, DisketteExtension__FloppyThread=0, DisketteExtension__PoweringDown=0, DisketteExtension__ThreadReferenceCount=-1, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ObjAttributes=0, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, threadHandle=0, UNLOADED=0] [L156] return (259); VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(DisketteExtension)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=1, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, \result=259, compRegistered=0, customIrp=0, DC=2, DiskController=0, DisketteExtension=0, DisketteExtension__FloppyThread=0, DisketteExtension__PoweringDown=0, DisketteExtension__ThreadReferenceCount=-1, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ObjAttributes=0, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, threadHandle=0, UNLOADED=0] [L255] RET, EXPR FlQueueIrpToThread(Irp, disketteExtension) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=1, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, FlQueueIrpToThread(Irp, disketteExtension)=259, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=-3, irpSp=-3, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L255] ntStatus = FlQueueIrpToThread(Irp, disketteExtension) [L258] __cil_tmp29 = (long )ntStatus VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=1, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=-3, irpSp=-3, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=259, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L259] COND TRUE __cil_tmp29 == 259L VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=1, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=-3, irpSp=-3, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=259, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L261-L262] CALL KeWaitForSingleObject(disketteExtension__FloppyThread, Executive, KernelMode, 0, 0) VAL [\old(Alertable)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(Object)=1, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(Timeout)=0, \old(UNLOADED)=0, \old(WaitMode)=0, \old(WaitReason)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L1065] COND FALSE !(s == MPR3) VAL [\old(Alertable)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(Object)=1, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(Timeout)=0, \old(UNLOADED)=0, \old(WaitMode)=0, \old(WaitReason)=0, Alertable=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, Object=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, Timeout=0, UNLOADED=0, WaitMode=0, WaitReason=0] [L1074] COND FALSE !(customIrp == 1) VAL [\old(Alertable)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(Object)=1, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(Timeout)=0, \old(UNLOADED)=0, \old(WaitMode)=0, \old(WaitReason)=0, Alertable=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, Object=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, Timeout=0, UNLOADED=0, WaitMode=0, WaitReason=0] [L1078] COND FALSE !(s == MPR3) VAL [\old(Alertable)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(Object)=1, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(Timeout)=0, \old(UNLOADED)=0, \old(WaitMode)=0, \old(WaitReason)=0, Alertable=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, Object=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, Timeout=0, UNLOADED=0, WaitMode=0, WaitReason=0] [L1085] int tmp_ndt_12; [L1086] tmp_ndt_12 = __VERIFIER_nondet_int() [L1087] COND FALSE !(tmp_ndt_12 == 0) [L1095] return (-1073741823); [L261-L262] RET KeWaitForSingleObject(disketteExtension__FloppyThread, Executive, KernelMode, 0, 0) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=1, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=-3, irpSp=-3, irpSp__MinorFunction=5, KernelMode=0, KeWaitForSingleObject(disketteExtension__FloppyThread, Executive, KernelMode, 0, 0)=-1073741823, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=259, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L264] COND TRUE disketteExtension__FloppyThread != 0 [L267] disketteExtension__FloppyThread = 0 [L268] Irp__IoStatus__Status = 0 [L269] myStatus = 0 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__IoStatus__Status=0, Irp__Tail__Overlay__CurrentStackLocation=-3, irpSp=-3, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, ntStatus=259, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L270] COND TRUE s == NP [L271] s = SKIP1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__IoStatus__Status=0, Irp__Tail__Overlay__CurrentStackLocation=-3, irpSp=-3, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, ntStatus=259, PagingMutex=0, PagingReferenceCount=1, pended=1, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L278] Irp__CurrentLocation ++ [L279] Irp__Tail__Overlay__CurrentStackLocation ++ VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=1, Irp__IoStatus__Status=0, Irp__Tail__Overlay__CurrentStackLocation=-2, irpSp=-3, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, ntStatus=259, PagingMutex=0, PagingReferenceCount=1, pended=1, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L280] CALL, EXPR IofCallDriver(disketteExtension__TargetObject, Irp) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L967] int returnVal2 ; [L968] int compRetStatus1 ; [L969] int lcontext = __VERIFIER_nondet_int() ; [L970] unsigned long __cil_tmp7 ; VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L973] COND FALSE !(\read(compRegistered)) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L986] int tmp_ndt_10; [L987] tmp_ndt_10 = __VERIFIER_nondet_int() [L988] COND FALSE !(tmp_ndt_10 == 0) [L991] int tmp_ndt_11; [L992] tmp_ndt_11 = __VERIFIER_nondet_int() [L993] COND TRUE tmp_ndt_11 == 1 [L1002] returnVal2 = -1073741823 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __VERIFIER_nondet_int()=1, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, returnVal2=-1073741823, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, tmp_ndt_10=1, tmp_ndt_11=1, UNLOADED=0] [L1012] COND FALSE !(s == NP) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __VERIFIER_nondet_int()=1, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, returnVal2=-1073741823, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, tmp_ndt_10=1, tmp_ndt_11=1, UNLOADED=0] [L1016] COND FALSE !(s == MPR1) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __VERIFIER_nondet_int()=1, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, returnVal2=-1073741823, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, tmp_ndt_10=1, tmp_ndt_11=1, UNLOADED=0] [L1025] COND TRUE s == SKIP1 [L1026] s = SKIP2 [L1027] lowerDriverReturn = returnVal2 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __VERIFIER_nondet_int()=1, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=-1073741823, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, returnVal2=-1073741823, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, tmp_ndt_10=1, tmp_ndt_11=1, UNLOADED=0] [L1035] return (returnVal2); [L280] RET, EXPR IofCallDriver(disketteExtension__TargetObject, Irp) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IofCallDriver(disketteExtension__TargetObject, Irp)=-1073741823, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=1, Irp__IoStatus__Status=0, Irp__Tail__Overlay__CurrentStackLocation=-2, irpSp=-3, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=-1073741823, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, ntStatus=259, PagingMutex=0, PagingReferenceCount=1, pended=1, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L280] ntStatus = IofCallDriver(disketteExtension__TargetObject, Irp) [L426] PagingReferenceCount -- [L427] COND TRUE PagingReferenceCount == 0 [L430] return (ntStatus); VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, \result=-1073741823, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=1, Irp__IoStatus__Status=0, Irp__Tail__Overlay__CurrentStackLocation=-2, irpSp=-3, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=-1073741823, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, ntStatus=-1073741823, PagingMutex=0, PagingReferenceCount=0, pended=1, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L766] RET, EXPR FloppyPnp(devobj, pirp) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyPnp(devobj, pirp)=-1073741823, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=-1073741823, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0] [L766] status = FloppyPnp(devobj, pirp) [L779] COND TRUE pended == 1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=-1073741823, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=-1073741823, Suspended=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0] [L780] COND FALSE !(s == NP) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=-1073741823, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=-1073741823, Suspended=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0] [L787] COND TRUE pended == 1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=-1073741823, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=-1073741823, Suspended=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0] [L788] COND FALSE !(s == MPR3) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=-1073741823, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=-1073741823, Suspended=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0] [L795] COND TRUE s != UNLOADED VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=-1073741823, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=-1073741823, Suspended=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0] [L796] COND TRUE status != -1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=-1073741823, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=-1073741823, Suspended=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0] [L797] COND FALSE !(s != SKIP2) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=-1073741823, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=-1073741823, Suspended=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0] [L811] COND TRUE pended == 1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=-1073741823, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=-1073741823, Suspended=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0] [L812] COND TRUE status != 259 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=-1073741823, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=-1073741823, Suspended=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0] [L813] CALL errorFn() VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=-1073741823, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L1626] __VERIFIER_error() VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=-1073741823, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 308 locations, 1 error locations. Result: UNSAFE, OverallTime: 21.1s, OverallIterations: 49, TraceHistogramMax: 1, AutomataDifference: 13.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 16474 SDtfs, 8525 SDslu, 44297 SDs, 0 SdLazy, 9917 SolverSat, 2175 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 402 GetRequests, 130 SyntacticMatches, 4 SemanticMatches, 268 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=617occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.7s AutomataMinimizationTime, 48 MinimizatonAttempts, 894 StatesRemovedByMinimization, 28 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 2329 NumberOfCodeBlocks, 2329 NumberOfCodeBlocksAsserted, 49 NumberOfCheckSat, 2212 ConstructedInterpolants, 0 QuantifiedInterpolants, 238841 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 48 InterpolantComputations, 48 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...