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_simpl3.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 23:01:13,952 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 23:01:13,954 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 23:01:13,966 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 23:01:13,966 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 23:01:13,967 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 23:01:13,969 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 23:01:13,970 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 23:01:13,972 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 23:01:13,973 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 23:01:13,974 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 23:01:13,975 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 23:01:13,975 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 23:01:13,976 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 23:01:13,977 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 23:01:13,978 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 23:01:13,979 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 23:01:13,980 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 23:01:13,981 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 23:01:13,983 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 23:01:13,984 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 23:01:13,985 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 23:01:13,986 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 23:01:13,987 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 23:01:13,989 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 23:01:13,990 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 23:01:13,990 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 23:01:13,991 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 23:01:13,991 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 23:01:13,992 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 23:01:13,992 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 23:01:13,993 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 23:01:13,994 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 23:01:13,995 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 23:01:13,996 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 23:01:13,996 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 23:01:13,996 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 23:01:13,997 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 23:01:13,997 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 23:01:13,998 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 23:01:14,001 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 23:01:14,002 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 23:01:14,022 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 23:01:14,022 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 23:01:14,023 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 23:01:14,023 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 23:01:14,024 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 23:01:14,024 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 23:01:14,024 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 23:01:14,025 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 23:01:14,025 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 23:01:14,025 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 23:01:14,025 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 23:01:14,025 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 23:01:14,026 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 23:01:14,026 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 23:01:14,026 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 23:01:14,026 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 23:01:14,026 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 23:01:14,026 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 23:01:14,027 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 23:01:14,027 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 23:01:14,028 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 23:01:14,029 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:01:14,029 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 23:01:14,029 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 23:01:14,029 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 23:01:14,030 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 23:01:14,030 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 23:01:14,030 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 23:01:14,030 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 23:01:14,302 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 23:01:14,316 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 23:01:14,321 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 23:01:14,322 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 23:01:14,322 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 23:01:14,323 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/floppy_simpl3.cil-1.c [2019-10-13 23:01:14,393 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/104be5292/c85feee1a3ca4cbd8ceb4d2553fd8b21/FLAG7179983a8 [2019-10-13 23:01:14,877 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 23:01:14,881 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/floppy_simpl3.cil-1.c [2019-10-13 23:01:14,908 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/104be5292/c85feee1a3ca4cbd8ceb4d2553fd8b21/FLAG7179983a8 [2019-10-13 23:01:15,206 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/104be5292/c85feee1a3ca4cbd8ceb4d2553fd8b21 [2019-10-13 23:01:15,215 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 23:01:15,216 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 23:01:15,217 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 23:01:15,217 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 23:01:15,221 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 23:01:15,222 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:01:15" (1/1) ... [2019-10-13 23:01:15,224 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2442b6d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:01:15, skipping insertion in model container [2019-10-13 23:01:15,224 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:01:15" (1/1) ... [2019-10-13 23:01:15,232 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 23:01:15,288 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 23:01:15,585 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:01:15,590 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 23:01:15,764 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:01:15,789 INFO L192 MainTranslator]: Completed translation [2019-10-13 23:01:15,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:01:15 WrapperNode [2019-10-13 23:01:15,789 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 23:01:15,790 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 23:01:15,790 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 23:01:15,791 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 23:01:15,803 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:01:15" (1/1) ... [2019-10-13 23:01:15,803 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:01:15" (1/1) ... [2019-10-13 23:01:15,818 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:01:15" (1/1) ... [2019-10-13 23:01:15,818 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:01:15" (1/1) ... [2019-10-13 23:01:15,842 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:01:15" (1/1) ... [2019-10-13 23:01:15,858 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:01:15" (1/1) ... [2019-10-13 23:01:15,863 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:01:15" (1/1) ... [2019-10-13 23:01:15,875 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 23:01:15,875 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 23:01:15,875 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 23:01:15,876 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 23:01:15,877 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:01:15" (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 23:01:15,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 23:01:15,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 23:01:15,936 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2019-10-13 23:01:15,936 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2019-10-13 23:01:15,937 INFO L138 BoogieDeclarations]: Found implementation of procedure FlAcpiConfigureFloppy [2019-10-13 23:01:15,937 INFO L138 BoogieDeclarations]: Found implementation of procedure FlQueueIrpToThread [2019-10-13 23:01:15,937 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnp [2019-10-13 23:01:15,937 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyStartDevice [2019-10-13 23:01:15,937 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnpComplete [2019-10-13 23:01:15,937 INFO L138 BoogieDeclarations]: Found implementation of procedure FlFdcDeviceIo [2019-10-13 23:01:15,938 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyProcessQueuedRequests [2019-10-13 23:01:15,938 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2019-10-13 23:01:15,938 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 23:01:15,938 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2019-10-13 23:01:15,938 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteSymbolicLink [2019-10-13 23:01:15,938 INFO L138 BoogieDeclarations]: Found implementation of procedure IoQueryDeviceDescription [2019-10-13 23:01:15,939 INFO L138 BoogieDeclarations]: Found implementation of procedure IoRegisterDeviceInterface [2019-10-13 23:01:15,939 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2019-10-13 23:01:15,939 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2019-10-13 23:01:15,939 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2019-10-13 23:01:15,939 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2019-10-13 23:01:15,939 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2019-10-13 23:01:15,940 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2019-10-13 23:01:15,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ObReferenceObjectByHandle [2019-10-13 23:01:15,940 INFO L138 BoogieDeclarations]: Found implementation of procedure PsCreateSystemThread [2019-10-13 23:01:15,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2019-10-13 23:01:15,940 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 23:01:15,941 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-10-13 23:01:15,941 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 23:01:15,941 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-13 23:01:15,941 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-13 23:01:15,941 INFO L130 BoogieDeclarations]: Found specification of procedure FlAcpiConfigureFloppy [2019-10-13 23:01:15,941 INFO L130 BoogieDeclarations]: Found specification of procedure FlQueueIrpToThread [2019-10-13 23:01:15,941 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnp [2019-10-13 23:01:15,942 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyStartDevice [2019-10-13 23:01:15,942 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnpComplete [2019-10-13 23:01:15,942 INFO L130 BoogieDeclarations]: Found specification of procedure FlFdcDeviceIo [2019-10-13 23:01:15,942 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2019-10-13 23:01:15,942 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteSymbolicLink [2019-10-13 23:01:15,943 INFO L130 BoogieDeclarations]: Found specification of procedure IoQueryDeviceDescription [2019-10-13 23:01:15,943 INFO L130 BoogieDeclarations]: Found specification of procedure IoRegisterDeviceInterface [2019-10-13 23:01:15,943 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2019-10-13 23:01:15,943 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2019-10-13 23:01:15,943 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2019-10-13 23:01:15,943 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2019-10-13 23:01:15,944 INFO L130 BoogieDeclarations]: Found specification of procedure ObReferenceObjectByHandle [2019-10-13 23:01:15,944 INFO L130 BoogieDeclarations]: Found specification of procedure PsCreateSystemThread [2019-10-13 23:01:15,944 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2019-10-13 23:01:15,944 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2019-10-13 23:01:15,944 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2019-10-13 23:01:15,944 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2019-10-13 23:01:15,944 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyProcessQueuedRequests [2019-10-13 23:01:15,945 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2019-10-13 23:01:15,945 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 23:01:15,945 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2019-10-13 23:01:15,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 23:01:15,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 23:01:16,165 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-13 23:01:16,265 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-13 23:01:16,265 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-13 23:01:16,275 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-13 23:01:16,286 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-13 23:01:16,286 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-13 23:01:16,295 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-13 23:01:16,512 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2019-10-13 23:01:16,512 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2019-10-13 23:01:16,515 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-13 23:01:16,599 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume false; [2019-10-13 23:01:16,600 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !false; [2019-10-13 23:01:16,614 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-13 23:01:16,647 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2019-10-13 23:01:16,648 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2019-10-13 23:01:16,743 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-13 23:01:16,756 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-13 23:01:16,756 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-13 23:01:16,757 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-13 23:01:16,766 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-13 23:01:16,767 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-13 23:01:16,767 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-13 23:01:16,777 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-13 23:01:16,778 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-13 23:01:16,821 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-13 23:01:16,859 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-10-13 23:01:16,859 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-10-13 23:01:16,888 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-13 23:01:16,912 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-13 23:01:16,912 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-13 23:01:16,913 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-13 23:01:16,924 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-13 23:01:16,925 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-13 23:01:16,925 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-13 23:01:16,932 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-13 23:01:16,932 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-13 23:01:17,244 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 23:01:17,245 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-13 23:01:17,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:01:17 BoogieIcfgContainer [2019-10-13 23:01:17,246 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 23:01:17,248 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 23:01:17,248 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 23:01:17,251 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 23:01:17,251 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:01:15" (1/3) ... [2019-10-13 23:01:17,252 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42e00c9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:01:17, skipping insertion in model container [2019-10-13 23:01:17,252 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:01:15" (2/3) ... [2019-10-13 23:01:17,252 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42e00c9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:01:17, skipping insertion in model container [2019-10-13 23:01:17,253 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:01:17" (3/3) ... [2019-10-13 23:01:17,255 INFO L109 eAbstractionObserver]: Analyzing ICFG floppy_simpl3.cil-1.c [2019-10-13 23:01:17,264 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 23:01:17,272 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 23:01:17,283 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 23:01:17,314 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 23:01:17,314 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 23:01:17,314 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 23:01:17,315 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 23:01:17,315 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 23:01:17,315 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 23:01:17,315 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 23:01:17,315 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 23:01:17,348 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states. [2019-10-13 23:01:17,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-13 23:01:17,359 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:01:17,360 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 23:01:17,362 INFO L410 AbstractCegarLoop]: === Iteration 1 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:01:17,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:01:17,368 INFO L82 PathProgramCache]: Analyzing trace with hash 341170076, now seen corresponding path program 1 times [2019-10-13 23:01:17,377 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:01:17,377 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674718774] [2019-10-13 23:01:17,378 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:17,378 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:17,378 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:01:17,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:01:17,671 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 23:01:17,672 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674718774] [2019-10-13 23:01:17,673 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:01:17,674 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:01:17,676 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012903404] [2019-10-13 23:01:17,682 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:01:17,682 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:01:17,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:01:17,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:01:17,699 INFO L87 Difference]: Start difference. First operand 235 states. Second operand 3 states. [2019-10-13 23:01:17,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:01:17,791 INFO L93 Difference]: Finished difference Result 401 states and 583 transitions. [2019-10-13 23:01:17,792 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:01:17,793 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2019-10-13 23:01:17,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:01:17,809 INFO L225 Difference]: With dead ends: 401 [2019-10-13 23:01:17,809 INFO L226 Difference]: Without dead ends: 229 [2019-10-13 23:01:17,815 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 23:01:17,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2019-10-13 23:01:17,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 229. [2019-10-13 23:01:17,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229 states. [2019-10-13 23:01:17,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 300 transitions. [2019-10-13 23:01:17,885 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 300 transitions. Word has length 18 [2019-10-13 23:01:17,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:01:17,885 INFO L462 AbstractCegarLoop]: Abstraction has 229 states and 300 transitions. [2019-10-13 23:01:17,885 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:01:17,885 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 300 transitions. [2019-10-13 23:01:17,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-13 23:01:17,886 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:01:17,887 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:01:17,887 INFO L410 AbstractCegarLoop]: === Iteration 2 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:01:17,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:01:17,887 INFO L82 PathProgramCache]: Analyzing trace with hash -176295608, now seen corresponding path program 1 times [2019-10-13 23:01:17,888 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:01:17,888 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048332733] [2019-10-13 23:01:17,888 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:17,888 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:17,888 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:01:17,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:01:18,061 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 23:01:18,062 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048332733] [2019-10-13 23:01:18,062 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:01:18,062 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:01:18,063 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703625306] [2019-10-13 23:01:18,065 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:01:18,065 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:01:18,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:01:18,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:01:18,066 INFO L87 Difference]: Start difference. First operand 229 states and 300 transitions. Second operand 3 states. [2019-10-13 23:01:18,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:01:18,225 INFO L93 Difference]: Finished difference Result 420 states and 550 transitions. [2019-10-13 23:01:18,225 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:01:18,226 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2019-10-13 23:01:18,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:01:18,230 INFO L225 Difference]: With dead ends: 420 [2019-10-13 23:01:18,230 INFO L226 Difference]: Without dead ends: 294 [2019-10-13 23:01:18,232 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 23:01:18,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2019-10-13 23:01:18,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 291. [2019-10-13 23:01:18,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 291 states. [2019-10-13 23:01:18,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 376 transitions. [2019-10-13 23:01:18,284 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 376 transitions. Word has length 22 [2019-10-13 23:01:18,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:01:18,284 INFO L462 AbstractCegarLoop]: Abstraction has 291 states and 376 transitions. [2019-10-13 23:01:18,284 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:01:18,285 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 376 transitions. [2019-10-13 23:01:18,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-13 23:01:18,286 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:01:18,286 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] [2019-10-13 23:01:18,286 INFO L410 AbstractCegarLoop]: === Iteration 3 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:01:18,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:01:18,287 INFO L82 PathProgramCache]: Analyzing trace with hash -1936513098, now seen corresponding path program 1 times [2019-10-13 23:01:18,287 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:01:18,287 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161204799] [2019-10-13 23:01:18,288 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:18,288 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:18,288 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:01:18,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:01:18,431 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 23:01:18,431 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161204799] [2019-10-13 23:01:18,432 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:01:18,432 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:01:18,432 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750810214] [2019-10-13 23:01:18,433 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:01:18,433 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:01:18,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:01:18,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:01:18,435 INFO L87 Difference]: Start difference. First operand 291 states and 376 transitions. Second operand 3 states. [2019-10-13 23:01:18,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:01:18,478 INFO L93 Difference]: Finished difference Result 611 states and 795 transitions. [2019-10-13 23:01:18,479 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:01:18,479 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-10-13 23:01:18,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:01:18,483 INFO L225 Difference]: With dead ends: 611 [2019-10-13 23:01:18,483 INFO L226 Difference]: Without dead ends: 447 [2019-10-13 23:01:18,484 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 23:01:18,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2019-10-13 23:01:18,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 417. [2019-10-13 23:01:18,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 417 states. [2019-10-13 23:01:18,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 545 transitions. [2019-10-13 23:01:18,523 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 545 transitions. Word has length 24 [2019-10-13 23:01:18,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:01:18,524 INFO L462 AbstractCegarLoop]: Abstraction has 417 states and 545 transitions. [2019-10-13 23:01:18,524 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:01:18,524 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 545 transitions. [2019-10-13 23:01:18,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-10-13 23:01:18,525 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:01:18,526 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] [2019-10-13 23:01:18,526 INFO L410 AbstractCegarLoop]: === Iteration 4 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:01:18,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:01:18,528 INFO L82 PathProgramCache]: Analyzing trace with hash 197585748, now seen corresponding path program 1 times [2019-10-13 23:01:18,528 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:01:18,528 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719112975] [2019-10-13 23:01:18,528 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:18,529 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:18,529 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:01:18,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:01:18,604 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 23:01:18,604 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719112975] [2019-10-13 23:01:18,604 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:01:18,605 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:01:18,605 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766044689] [2019-10-13 23:01:18,605 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:01:18,606 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:01:18,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:01:18,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:01:18,606 INFO L87 Difference]: Start difference. First operand 417 states and 545 transitions. Second operand 3 states. [2019-10-13 23:01:18,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:01:18,659 INFO L93 Difference]: Finished difference Result 488 states and 635 transitions. [2019-10-13 23:01:18,660 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:01:18,660 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2019-10-13 23:01:18,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:01:18,668 INFO L225 Difference]: With dead ends: 488 [2019-10-13 23:01:18,668 INFO L226 Difference]: Without dead ends: 468 [2019-10-13 23:01:18,669 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 23:01:18,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 468 states. [2019-10-13 23:01:18,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 468 to 458. [2019-10-13 23:01:18,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 458 states. [2019-10-13 23:01:18,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 596 transitions. [2019-10-13 23:01:18,698 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 596 transitions. Word has length 28 [2019-10-13 23:01:18,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:01:18,699 INFO L462 AbstractCegarLoop]: Abstraction has 458 states and 596 transitions. [2019-10-13 23:01:18,699 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:01:18,699 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 596 transitions. [2019-10-13 23:01:18,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-10-13 23:01:18,701 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:01:18,702 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 23:01:18,702 INFO L410 AbstractCegarLoop]: === Iteration 5 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:01:18,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:01:18,702 INFO L82 PathProgramCache]: Analyzing trace with hash -882409608, now seen corresponding path program 1 times [2019-10-13 23:01:18,702 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:01:18,703 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679453043] [2019-10-13 23:01:18,703 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:18,703 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:18,703 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:01:18,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:01:18,772 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 23:01:18,773 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679453043] [2019-10-13 23:01:18,773 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:01:18,773 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:01:18,774 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134051830] [2019-10-13 23:01:18,774 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:01:18,774 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:01:18,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:01:18,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:01:18,775 INFO L87 Difference]: Start difference. First operand 458 states and 596 transitions. Second operand 3 states. [2019-10-13 23:01:18,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:01:18,871 INFO L93 Difference]: Finished difference Result 467 states and 607 transitions. [2019-10-13 23:01:18,872 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:01:18,872 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2019-10-13 23:01:18,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:01:18,875 INFO L225 Difference]: With dead ends: 467 [2019-10-13 23:01:18,876 INFO L226 Difference]: Without dead ends: 464 [2019-10-13 23:01:18,876 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 23:01:18,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2019-10-13 23:01:18,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 464. [2019-10-13 23:01:18,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 464 states. [2019-10-13 23:01:18,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 603 transitions. [2019-10-13 23:01:18,903 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 603 transitions. Word has length 32 [2019-10-13 23:01:18,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:01:18,903 INFO L462 AbstractCegarLoop]: Abstraction has 464 states and 603 transitions. [2019-10-13 23:01:18,903 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:01:18,903 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 603 transitions. [2019-10-13 23:01:18,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-10-13 23:01:18,913 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:01:18,913 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 23:01:18,913 INFO L410 AbstractCegarLoop]: === Iteration 6 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:01:18,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:01:18,913 INFO L82 PathProgramCache]: Analyzing trace with hash -1304756624, now seen corresponding path program 1 times [2019-10-13 23:01:18,914 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:01:18,914 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002242171] [2019-10-13 23:01:18,914 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:18,914 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:18,914 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:01:18,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:01:18,965 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 23:01:18,965 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002242171] [2019-10-13 23:01:18,965 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:01:18,965 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:01:18,966 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111603819] [2019-10-13 23:01:18,967 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:01:18,967 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:01:18,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:01:18,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:01:18,968 INFO L87 Difference]: Start difference. First operand 464 states and 603 transitions. Second operand 3 states. [2019-10-13 23:01:19,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:01:19,094 INFO L93 Difference]: Finished difference Result 615 states and 813 transitions. [2019-10-13 23:01:19,095 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:01:19,095 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2019-10-13 23:01:19,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:01:19,102 INFO L225 Difference]: With dead ends: 615 [2019-10-13 23:01:19,103 INFO L226 Difference]: Without dead ends: 612 [2019-10-13 23:01:19,104 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 23:01:19,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 612 states. [2019-10-13 23:01:19,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 612 to 510. [2019-10-13 23:01:19,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 510 states. [2019-10-13 23:01:19,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 510 states and 667 transitions. [2019-10-13 23:01:19,143 INFO L78 Accepts]: Start accepts. Automaton has 510 states and 667 transitions. Word has length 35 [2019-10-13 23:01:19,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:01:19,144 INFO L462 AbstractCegarLoop]: Abstraction has 510 states and 667 transitions. [2019-10-13 23:01:19,145 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:01:19,145 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 667 transitions. [2019-10-13 23:01:19,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-10-13 23:01:19,146 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:01:19,146 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 23:01:19,147 INFO L410 AbstractCegarLoop]: === Iteration 7 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:01:19,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:01:19,147 INFO L82 PathProgramCache]: Analyzing trace with hash -1529847698, now seen corresponding path program 1 times [2019-10-13 23:01:19,147 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:01:19,147 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006548736] [2019-10-13 23:01:19,148 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:19,148 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:19,148 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:01:19,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:01:19,195 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 23:01:19,196 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006548736] [2019-10-13 23:01:19,196 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:01:19,196 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:01:19,197 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980676359] [2019-10-13 23:01:19,197 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:01:19,197 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:01:19,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:01:19,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:01:19,198 INFO L87 Difference]: Start difference. First operand 510 states and 667 transitions. Second operand 3 states. [2019-10-13 23:01:19,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:01:19,330 INFO L93 Difference]: Finished difference Result 546 states and 711 transitions. [2019-10-13 23:01:19,330 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:01:19,331 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2019-10-13 23:01:19,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:01:19,334 INFO L225 Difference]: With dead ends: 546 [2019-10-13 23:01:19,334 INFO L226 Difference]: Without dead ends: 541 [2019-10-13 23:01:19,335 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 23:01:19,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 541 states. [2019-10-13 23:01:19,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 541 to 537. [2019-10-13 23:01:19,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 537 states. [2019-10-13 23:01:19,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 701 transitions. [2019-10-13 23:01:19,362 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 701 transitions. Word has length 35 [2019-10-13 23:01:19,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:01:19,363 INFO L462 AbstractCegarLoop]: Abstraction has 537 states and 701 transitions. [2019-10-13 23:01:19,363 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:01:19,363 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 701 transitions. [2019-10-13 23:01:19,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-10-13 23:01:19,364 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:01:19,364 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] [2019-10-13 23:01:19,365 INFO L410 AbstractCegarLoop]: === Iteration 8 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:01:19,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:01:19,365 INFO L82 PathProgramCache]: Analyzing trace with hash -2030578595, now seen corresponding path program 1 times [2019-10-13 23:01:19,365 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:01:19,366 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951265670] [2019-10-13 23:01:19,366 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:19,366 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:19,366 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:01:19,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:01:19,469 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 23:01:19,470 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951265670] [2019-10-13 23:01:19,470 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:01:19,470 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 23:01:19,470 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477450181] [2019-10-13 23:01:19,471 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 23:01:19,471 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:01:19,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 23:01:19,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-10-13 23:01:19,472 INFO L87 Difference]: Start difference. First operand 537 states and 701 transitions. Second operand 8 states. [2019-10-13 23:01:20,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:01:20,235 INFO L93 Difference]: Finished difference Result 714 states and 933 transitions. [2019-10-13 23:01:20,236 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 23:01:20,236 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 36 [2019-10-13 23:01:20,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:01:20,240 INFO L225 Difference]: With dead ends: 714 [2019-10-13 23:01:20,240 INFO L226 Difference]: Without dead ends: 636 [2019-10-13 23:01:20,241 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 23:01:20,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2019-10-13 23:01:20,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 531. [2019-10-13 23:01:20,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 531 states. [2019-10-13 23:01:20,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 531 states and 687 transitions. [2019-10-13 23:01:20,270 INFO L78 Accepts]: Start accepts. Automaton has 531 states and 687 transitions. Word has length 36 [2019-10-13 23:01:20,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:01:20,271 INFO L462 AbstractCegarLoop]: Abstraction has 531 states and 687 transitions. [2019-10-13 23:01:20,271 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 23:01:20,271 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 687 transitions. [2019-10-13 23:01:20,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-10-13 23:01:20,272 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:01:20,273 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] [2019-10-13 23:01:20,273 INFO L410 AbstractCegarLoop]: === Iteration 9 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:01:20,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:01:20,273 INFO L82 PathProgramCache]: Analyzing trace with hash 272196428, now seen corresponding path program 1 times [2019-10-13 23:01:20,273 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:01:20,274 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968346659] [2019-10-13 23:01:20,274 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:20,274 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:20,274 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:01:20,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:01:20,346 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 23:01:20,346 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968346659] [2019-10-13 23:01:20,346 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:01:20,346 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 23:01:20,347 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028034035] [2019-10-13 23:01:20,347 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 23:01:20,347 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:01:20,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 23:01:20,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-13 23:01:20,348 INFO L87 Difference]: Start difference. First operand 531 states and 687 transitions. Second operand 8 states. [2019-10-13 23:01:20,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:01:20,894 INFO L93 Difference]: Finished difference Result 558 states and 715 transitions. [2019-10-13 23:01:20,895 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 23:01:20,895 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 36 [2019-10-13 23:01:20,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:01:20,899 INFO L225 Difference]: With dead ends: 558 [2019-10-13 23:01:20,900 INFO L226 Difference]: Without dead ends: 549 [2019-10-13 23:01:20,900 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 23:01:20,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2019-10-13 23:01:20,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 531. [2019-10-13 23:01:20,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 531 states. [2019-10-13 23:01:20,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 531 states and 685 transitions. [2019-10-13 23:01:20,933 INFO L78 Accepts]: Start accepts. Automaton has 531 states and 685 transitions. Word has length 36 [2019-10-13 23:01:20,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:01:20,935 INFO L462 AbstractCegarLoop]: Abstraction has 531 states and 685 transitions. [2019-10-13 23:01:20,935 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 23:01:20,935 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 685 transitions. [2019-10-13 23:01:20,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-10-13 23:01:20,937 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:01:20,937 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 23:01:20,937 INFO L410 AbstractCegarLoop]: === Iteration 10 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:01:20,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:01:20,937 INFO L82 PathProgramCache]: Analyzing trace with hash -1040864102, now seen corresponding path program 1 times [2019-10-13 23:01:20,938 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:01:20,938 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403385353] [2019-10-13 23:01:20,938 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:20,938 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:20,938 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:01:20,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:01:21,051 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 23:01:21,051 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403385353] [2019-10-13 23:01:21,052 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:01:21,052 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 23:01:21,052 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074265247] [2019-10-13 23:01:21,053 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 23:01:21,053 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:01:21,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 23:01:21,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-13 23:01:21,054 INFO L87 Difference]: Start difference. First operand 531 states and 685 transitions. Second operand 8 states. [2019-10-13 23:01:21,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:01:21,628 INFO L93 Difference]: Finished difference Result 558 states and 712 transitions. [2019-10-13 23:01:21,628 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 23:01:21,628 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 37 [2019-10-13 23:01:21,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:01:21,631 INFO L225 Difference]: With dead ends: 558 [2019-10-13 23:01:21,632 INFO L226 Difference]: Without dead ends: 549 [2019-10-13 23:01:21,632 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 23:01:21,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2019-10-13 23:01:21,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 531. [2019-10-13 23:01:21,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 531 states. [2019-10-13 23:01:21,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 531 states and 683 transitions. [2019-10-13 23:01:21,660 INFO L78 Accepts]: Start accepts. Automaton has 531 states and 683 transitions. Word has length 37 [2019-10-13 23:01:21,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:01:21,660 INFO L462 AbstractCegarLoop]: Abstraction has 531 states and 683 transitions. [2019-10-13 23:01:21,661 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 23:01:21,661 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 683 transitions. [2019-10-13 23:01:21,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-10-13 23:01:21,662 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:01:21,662 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 23:01:21,662 INFO L410 AbstractCegarLoop]: === Iteration 11 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:01:21,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:01:21,663 INFO L82 PathProgramCache]: Analyzing trace with hash -2146867531, now seen corresponding path program 1 times [2019-10-13 23:01:21,663 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:01:21,663 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630120989] [2019-10-13 23:01:21,663 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:21,663 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:21,664 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:01:21,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:01:21,703 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 23:01:21,703 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630120989] [2019-10-13 23:01:21,703 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:01:21,704 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 23:01:21,704 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133548167] [2019-10-13 23:01:21,704 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 23:01:21,704 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:01:21,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 23:01:21,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 23:01:21,705 INFO L87 Difference]: Start difference. First operand 531 states and 683 transitions. Second operand 5 states. [2019-10-13 23:01:21,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:01:21,744 INFO L93 Difference]: Finished difference Result 547 states and 698 transitions. [2019-10-13 23:01:21,744 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 23:01:21,744 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 38 [2019-10-13 23:01:21,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:01:21,747 INFO L225 Difference]: With dead ends: 547 [2019-10-13 23:01:21,748 INFO L226 Difference]: Without dead ends: 529 [2019-10-13 23:01:21,748 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 23:01:21,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2019-10-13 23:01:21,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 529. [2019-10-13 23:01:21,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 529 states. [2019-10-13 23:01:21,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 679 transitions. [2019-10-13 23:01:21,777 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 679 transitions. Word has length 38 [2019-10-13 23:01:21,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:01:21,777 INFO L462 AbstractCegarLoop]: Abstraction has 529 states and 679 transitions. [2019-10-13 23:01:21,777 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 23:01:21,777 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 679 transitions. [2019-10-13 23:01:21,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-10-13 23:01:21,778 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:01:21,778 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 23:01:21,779 INFO L410 AbstractCegarLoop]: === Iteration 12 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:01:21,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:01:21,779 INFO L82 PathProgramCache]: Analyzing trace with hash -1819753037, now seen corresponding path program 1 times [2019-10-13 23:01:21,779 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:01:21,779 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017935723] [2019-10-13 23:01:21,780 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:21,780 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:21,780 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:01:21,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:01:21,823 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 23:01:21,823 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017935723] [2019-10-13 23:01:21,823 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:01:21,823 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 23:01:21,824 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616400661] [2019-10-13 23:01:21,824 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 23:01:21,824 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:01:21,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 23:01:21,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 23:01:21,825 INFO L87 Difference]: Start difference. First operand 529 states and 679 transitions. Second operand 4 states. [2019-10-13 23:01:21,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:01:21,986 INFO L93 Difference]: Finished difference Result 579 states and 723 transitions. [2019-10-13 23:01:21,987 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-13 23:01:21,987 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 40 [2019-10-13 23:01:21,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:01:21,989 INFO L225 Difference]: With dead ends: 579 [2019-10-13 23:01:21,989 INFO L226 Difference]: Without dead ends: 390 [2019-10-13 23:01:21,990 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 23:01:21,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2019-10-13 23:01:22,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 371. [2019-10-13 23:01:22,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 371 states. [2019-10-13 23:01:22,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 455 transitions. [2019-10-13 23:01:22,044 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 455 transitions. Word has length 40 [2019-10-13 23:01:22,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:01:22,044 INFO L462 AbstractCegarLoop]: Abstraction has 371 states and 455 transitions. [2019-10-13 23:01:22,044 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 23:01:22,044 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 455 transitions. [2019-10-13 23:01:22,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-10-13 23:01:22,045 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:01:22,045 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 23:01:22,045 INFO L410 AbstractCegarLoop]: === Iteration 13 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:01:22,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:01:22,046 INFO L82 PathProgramCache]: Analyzing trace with hash 1158018826, now seen corresponding path program 1 times [2019-10-13 23:01:22,046 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:01:22,046 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835628220] [2019-10-13 23:01:22,046 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:22,046 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:22,046 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:01:22,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:01:22,119 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 23:01:22,120 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835628220] [2019-10-13 23:01:22,120 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:01:22,120 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:01:22,120 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048005629] [2019-10-13 23:01:22,121 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:01:22,121 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:01:22,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:01:22,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:01:22,122 INFO L87 Difference]: Start difference. First operand 371 states and 455 transitions. Second operand 3 states. [2019-10-13 23:01:22,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:01:22,184 INFO L93 Difference]: Finished difference Result 552 states and 687 transitions. [2019-10-13 23:01:22,187 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:01:22,187 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2019-10-13 23:01:22,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:01:22,190 INFO L225 Difference]: With dead ends: 552 [2019-10-13 23:01:22,190 INFO L226 Difference]: Without dead ends: 374 [2019-10-13 23:01:22,191 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 23:01:22,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2019-10-13 23:01:22,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 374. [2019-10-13 23:01:22,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 374 states. [2019-10-13 23:01:22,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 459 transitions. [2019-10-13 23:01:22,212 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 459 transitions. Word has length 45 [2019-10-13 23:01:22,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:01:22,213 INFO L462 AbstractCegarLoop]: Abstraction has 374 states and 459 transitions. [2019-10-13 23:01:22,213 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:01:22,213 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 459 transitions. [2019-10-13 23:01:22,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-10-13 23:01:22,214 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:01:22,214 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] [2019-10-13 23:01:22,215 INFO L410 AbstractCegarLoop]: === Iteration 14 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:01:22,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:01:22,215 INFO L82 PathProgramCache]: Analyzing trace with hash -1564390830, now seen corresponding path program 1 times [2019-10-13 23:01:22,215 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:01:22,216 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727119336] [2019-10-13 23:01:22,216 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:22,216 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:22,216 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:01:22,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:01:22,395 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 23:01:22,396 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727119336] [2019-10-13 23:01:22,397 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:01:22,397 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 23:01:22,397 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246453033] [2019-10-13 23:01:22,399 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 23:01:22,399 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:01:22,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 23:01:22,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 23:01:22,400 INFO L87 Difference]: Start difference. First operand 374 states and 459 transitions. Second operand 5 states. [2019-10-13 23:01:22,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:01:22,449 INFO L93 Difference]: Finished difference Result 548 states and 680 transitions. [2019-10-13 23:01:22,450 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 23:01:22,450 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 50 [2019-10-13 23:01:22,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:01:22,453 INFO L225 Difference]: With dead ends: 548 [2019-10-13 23:01:22,454 INFO L226 Difference]: Without dead ends: 367 [2019-10-13 23:01:22,456 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 23:01:22,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2019-10-13 23:01:22,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 367. [2019-10-13 23:01:22,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 367 states. [2019-10-13 23:01:22,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 447 transitions. [2019-10-13 23:01:22,488 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 447 transitions. Word has length 50 [2019-10-13 23:01:22,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:01:22,488 INFO L462 AbstractCegarLoop]: Abstraction has 367 states and 447 transitions. [2019-10-13 23:01:22,488 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 23:01:22,488 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 447 transitions. [2019-10-13 23:01:22,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-13 23:01:22,490 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:01:22,490 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 23:01:22,491 INFO L410 AbstractCegarLoop]: === Iteration 15 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:01:22,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:01:22,491 INFO L82 PathProgramCache]: Analyzing trace with hash -1370030580, now seen corresponding path program 1 times [2019-10-13 23:01:22,491 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:01:22,492 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000275673] [2019-10-13 23:01:22,492 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:22,492 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:22,492 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:01:22,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:01:22,564 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 23:01:22,564 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000275673] [2019-10-13 23:01:22,565 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:01:22,565 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:01:22,565 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405747344] [2019-10-13 23:01:22,566 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:01:22,566 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:01:22,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:01:22,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:01:22,567 INFO L87 Difference]: Start difference. First operand 367 states and 447 transitions. Second operand 3 states. [2019-10-13 23:01:22,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:01:22,685 INFO L93 Difference]: Finished difference Result 518 states and 649 transitions. [2019-10-13 23:01:22,686 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:01:22,686 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2019-10-13 23:01:22,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:01:22,689 INFO L225 Difference]: With dead ends: 518 [2019-10-13 23:01:22,689 INFO L226 Difference]: Without dead ends: 506 [2019-10-13 23:01:22,691 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 23:01:22,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 506 states. [2019-10-13 23:01:22,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 506 to 411. [2019-10-13 23:01:22,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 411 states. [2019-10-13 23:01:22,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 502 transitions. [2019-10-13 23:01:22,734 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 502 transitions. Word has length 43 [2019-10-13 23:01:22,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:01:22,735 INFO L462 AbstractCegarLoop]: Abstraction has 411 states and 502 transitions. [2019-10-13 23:01:22,735 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:01:22,735 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 502 transitions. [2019-10-13 23:01:22,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-10-13 23:01:22,736 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:01:22,737 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 23:01:22,737 INFO L410 AbstractCegarLoop]: === Iteration 16 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:01:22,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:01:22,737 INFO L82 PathProgramCache]: Analyzing trace with hash 931559790, now seen corresponding path program 1 times [2019-10-13 23:01:22,737 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:01:22,738 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647073079] [2019-10-13 23:01:22,738 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:22,738 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:22,738 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:01:22,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:01:22,886 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 23:01:22,887 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647073079] [2019-10-13 23:01:22,887 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:01:22,887 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-13 23:01:22,887 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566399925] [2019-10-13 23:01:22,888 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-13 23:01:22,888 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:01:22,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-13 23:01:22,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-10-13 23:01:22,888 INFO L87 Difference]: Start difference. First operand 411 states and 502 transitions. Second operand 10 states. [2019-10-13 23:01:24,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:01:24,092 INFO L93 Difference]: Finished difference Result 464 states and 563 transitions. [2019-10-13 23:01:24,093 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-10-13 23:01:24,093 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 44 [2019-10-13 23:01:24,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:01:24,096 INFO L225 Difference]: With dead ends: 464 [2019-10-13 23:01:24,096 INFO L226 Difference]: Without dead ends: 460 [2019-10-13 23:01:24,097 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 23:01:24,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2019-10-13 23:01:24,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 454. [2019-10-13 23:01:24,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 454 states. [2019-10-13 23:01:24,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 554 transitions. [2019-10-13 23:01:24,123 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 554 transitions. Word has length 44 [2019-10-13 23:01:24,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:01:24,124 INFO L462 AbstractCegarLoop]: Abstraction has 454 states and 554 transitions. [2019-10-13 23:01:24,124 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-13 23:01:24,124 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 554 transitions. [2019-10-13 23:01:24,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-10-13 23:01:24,125 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:01:24,125 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 23:01:24,125 INFO L410 AbstractCegarLoop]: === Iteration 17 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:01:24,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:01:24,126 INFO L82 PathProgramCache]: Analyzing trace with hash 931836620, now seen corresponding path program 1 times [2019-10-13 23:01:24,126 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:01:24,126 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904672458] [2019-10-13 23:01:24,126 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:24,126 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:24,127 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:01:24,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:01:24,221 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 23:01:24,222 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904672458] [2019-10-13 23:01:24,222 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:01:24,222 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-13 23:01:24,222 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518750944] [2019-10-13 23:01:24,223 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-13 23:01:24,223 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:01:24,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-13 23:01:24,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-10-13 23:01:24,224 INFO L87 Difference]: Start difference. First operand 454 states and 554 transitions. Second operand 10 states. [2019-10-13 23:01:25,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:01:25,418 INFO L93 Difference]: Finished difference Result 469 states and 568 transitions. [2019-10-13 23:01:25,419 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-10-13 23:01:25,419 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 44 [2019-10-13 23:01:25,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:01:25,423 INFO L225 Difference]: With dead ends: 469 [2019-10-13 23:01:25,423 INFO L226 Difference]: Without dead ends: 460 [2019-10-13 23:01:25,423 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 23:01:25,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2019-10-13 23:01:25,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 454. [2019-10-13 23:01:25,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 454 states. [2019-10-13 23:01:25,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 552 transitions. [2019-10-13 23:01:25,451 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 552 transitions. Word has length 44 [2019-10-13 23:01:25,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:01:25,451 INFO L462 AbstractCegarLoop]: Abstraction has 454 states and 552 transitions. [2019-10-13 23:01:25,451 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-13 23:01:25,452 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 552 transitions. [2019-10-13 23:01:25,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-10-13 23:01:25,453 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:01:25,453 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 23:01:25,453 INFO L410 AbstractCegarLoop]: === Iteration 18 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:01:25,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:01:25,454 INFO L82 PathProgramCache]: Analyzing trace with hash -1083435282, now seen corresponding path program 1 times [2019-10-13 23:01:25,454 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:01:25,454 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587887894] [2019-10-13 23:01:25,454 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:25,454 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:25,454 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:01:25,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:01:25,515 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 23:01:25,516 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587887894] [2019-10-13 23:01:25,516 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:01:25,516 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 23:01:25,517 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772285646] [2019-10-13 23:01:25,517 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 23:01:25,517 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:01:25,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 23:01:25,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-13 23:01:25,518 INFO L87 Difference]: Start difference. First operand 454 states and 552 transitions. Second operand 7 states. [2019-10-13 23:01:26,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:01:26,012 INFO L93 Difference]: Finished difference Result 515 states and 632 transitions. [2019-10-13 23:01:26,013 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-13 23:01:26,013 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 44 [2019-10-13 23:01:26,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:01:26,017 INFO L225 Difference]: With dead ends: 515 [2019-10-13 23:01:26,018 INFO L226 Difference]: Without dead ends: 454 [2019-10-13 23:01:26,022 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2019-10-13 23:01:26,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2019-10-13 23:01:26,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 454. [2019-10-13 23:01:26,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 454 states. [2019-10-13 23:01:26,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 550 transitions. [2019-10-13 23:01:26,080 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 550 transitions. Word has length 44 [2019-10-13 23:01:26,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:01:26,081 INFO L462 AbstractCegarLoop]: Abstraction has 454 states and 550 transitions. [2019-10-13 23:01:26,081 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 23:01:26,081 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 550 transitions. [2019-10-13 23:01:26,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-10-13 23:01:26,083 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:01:26,083 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 23:01:26,084 INFO L410 AbstractCegarLoop]: === Iteration 19 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:01:26,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:01:26,084 INFO L82 PathProgramCache]: Analyzing trace with hash -2075159530, now seen corresponding path program 1 times [2019-10-13 23:01:26,085 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:01:26,085 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401291909] [2019-10-13 23:01:26,085 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:26,085 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:26,086 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:01:26,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:01:26,282 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 23:01:26,282 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401291909] [2019-10-13 23:01:26,282 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:01:26,283 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-13 23:01:26,283 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509701355] [2019-10-13 23:01:26,286 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 23:01:26,287 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:01:26,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 23:01:26,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2019-10-13 23:01:26,287 INFO L87 Difference]: Start difference. First operand 454 states and 550 transitions. Second operand 9 states. [2019-10-13 23:01:27,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:01:27,293 INFO L93 Difference]: Finished difference Result 497 states and 593 transitions. [2019-10-13 23:01:27,294 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-13 23:01:27,294 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 45 [2019-10-13 23:01:27,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:01:27,297 INFO L225 Difference]: With dead ends: 497 [2019-10-13 23:01:27,297 INFO L226 Difference]: Without dead ends: 444 [2019-10-13 23:01:27,298 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=262, Unknown=0, NotChecked=0, Total=342 [2019-10-13 23:01:27,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2019-10-13 23:01:27,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 419. [2019-10-13 23:01:27,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2019-10-13 23:01:27,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 503 transitions. [2019-10-13 23:01:27,326 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 503 transitions. Word has length 45 [2019-10-13 23:01:27,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:01:27,327 INFO L462 AbstractCegarLoop]: Abstraction has 419 states and 503 transitions. [2019-10-13 23:01:27,327 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 23:01:27,327 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 503 transitions. [2019-10-13 23:01:27,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-10-13 23:01:27,328 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:01:27,328 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 23:01:27,329 INFO L410 AbstractCegarLoop]: === Iteration 20 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:01:27,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:01:27,329 INFO L82 PathProgramCache]: Analyzing trace with hash -1297011545, now seen corresponding path program 1 times [2019-10-13 23:01:27,329 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:01:27,329 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050513556] [2019-10-13 23:01:27,330 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:27,330 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:27,330 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:01:27,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:01:27,367 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 23:01:27,367 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050513556] [2019-10-13 23:01:27,367 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:01:27,368 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:01:27,368 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926051368] [2019-10-13 23:01:27,368 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:01:27,368 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:01:27,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:01:27,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:01:27,369 INFO L87 Difference]: Start difference. First operand 419 states and 503 transitions. Second operand 3 states. [2019-10-13 23:01:27,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:01:27,435 INFO L93 Difference]: Finished difference Result 444 states and 531 transitions. [2019-10-13 23:01:27,436 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:01:27,436 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2019-10-13 23:01:27,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:01:27,438 INFO L225 Difference]: With dead ends: 444 [2019-10-13 23:01:27,439 INFO L226 Difference]: Without dead ends: 425 [2019-10-13 23:01:27,439 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 23:01:27,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2019-10-13 23:01:27,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 414. [2019-10-13 23:01:27,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 414 states. [2019-10-13 23:01:27,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 492 transitions. [2019-10-13 23:01:27,467 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 492 transitions. Word has length 45 [2019-10-13 23:01:27,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:01:27,468 INFO L462 AbstractCegarLoop]: Abstraction has 414 states and 492 transitions. [2019-10-13 23:01:27,468 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:01:27,468 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 492 transitions. [2019-10-13 23:01:27,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-10-13 23:01:27,469 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:01:27,469 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] [2019-10-13 23:01:27,469 INFO L410 AbstractCegarLoop]: === Iteration 21 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:01:27,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:01:27,470 INFO L82 PathProgramCache]: Analyzing trace with hash -338573109, now seen corresponding path program 1 times [2019-10-13 23:01:27,470 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:01:27,470 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503122853] [2019-10-13 23:01:27,470 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:27,470 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:27,471 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:01:27,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:01:27,520 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 23:01:27,521 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503122853] [2019-10-13 23:01:27,521 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:01:27,521 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 23:01:27,521 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284869854] [2019-10-13 23:01:27,521 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 23:01:27,522 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:01:27,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 23:01:27,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 23:01:27,522 INFO L87 Difference]: Start difference. First operand 414 states and 492 transitions. Second operand 5 states. [2019-10-13 23:01:27,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:01:27,832 INFO L93 Difference]: Finished difference Result 592 states and 715 transitions. [2019-10-13 23:01:27,833 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 23:01:27,833 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2019-10-13 23:01:27,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:01:27,836 INFO L225 Difference]: With dead ends: 592 [2019-10-13 23:01:27,836 INFO L226 Difference]: Without dead ends: 414 [2019-10-13 23:01:27,837 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 23:01:27,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2019-10-13 23:01:27,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 414. [2019-10-13 23:01:27,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 414 states. [2019-10-13 23:01:27,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 491 transitions. [2019-10-13 23:01:27,868 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 491 transitions. Word has length 54 [2019-10-13 23:01:27,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:01:27,868 INFO L462 AbstractCegarLoop]: Abstraction has 414 states and 491 transitions. [2019-10-13 23:01:27,868 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 23:01:27,869 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 491 transitions. [2019-10-13 23:01:27,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-13 23:01:27,870 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:01:27,870 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 23:01:27,870 INFO L410 AbstractCegarLoop]: === Iteration 22 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:01:27,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:01:27,870 INFO L82 PathProgramCache]: Analyzing trace with hash -1099817421, now seen corresponding path program 1 times [2019-10-13 23:01:27,871 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:01:27,871 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245261992] [2019-10-13 23:01:27,871 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:27,871 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:27,871 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:01:27,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:01:27,919 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 23:01:27,920 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245261992] [2019-10-13 23:01:27,920 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:01:27,920 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 23:01:27,920 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580826474] [2019-10-13 23:01:27,921 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 23:01:27,921 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:01:27,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 23:01:27,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 23:01:27,922 INFO L87 Difference]: Start difference. First operand 414 states and 491 transitions. Second operand 5 states. [2019-10-13 23:01:28,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:01:28,225 INFO L93 Difference]: Finished difference Result 427 states and 504 transitions. [2019-10-13 23:01:28,227 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 23:01:28,227 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 46 [2019-10-13 23:01:28,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:01:28,230 INFO L225 Difference]: With dead ends: 427 [2019-10-13 23:01:28,230 INFO L226 Difference]: Without dead ends: 423 [2019-10-13 23:01:28,230 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 23:01:28,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2019-10-13 23:01:28,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 417. [2019-10-13 23:01:28,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 417 states. [2019-10-13 23:01:28,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 495 transitions. [2019-10-13 23:01:28,259 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 495 transitions. Word has length 46 [2019-10-13 23:01:28,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:01:28,260 INFO L462 AbstractCegarLoop]: Abstraction has 417 states and 495 transitions. [2019-10-13 23:01:28,260 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 23:01:28,260 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 495 transitions. [2019-10-13 23:01:28,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-13 23:01:28,261 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:01:28,261 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 23:01:28,261 INFO L410 AbstractCegarLoop]: === Iteration 23 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:01:28,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:01:28,262 INFO L82 PathProgramCache]: Analyzing trace with hash -1099540591, now seen corresponding path program 1 times [2019-10-13 23:01:28,262 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:01:28,262 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265704602] [2019-10-13 23:01:28,262 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:28,263 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:28,263 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:01:28,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:01:28,359 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 23:01:28,360 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265704602] [2019-10-13 23:01:28,360 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:01:28,360 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 23:01:28,360 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117351700] [2019-10-13 23:01:28,361 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 23:01:28,361 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:01:28,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 23:01:28,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-13 23:01:28,362 INFO L87 Difference]: Start difference. First operand 417 states and 495 transitions. Second operand 8 states. [2019-10-13 23:01:28,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:01:28,521 INFO L93 Difference]: Finished difference Result 431 states and 508 transitions. [2019-10-13 23:01:28,522 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 23:01:28,522 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 46 [2019-10-13 23:01:28,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:01:28,524 INFO L225 Difference]: With dead ends: 431 [2019-10-13 23:01:28,525 INFO L226 Difference]: Without dead ends: 413 [2019-10-13 23:01:28,525 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 23:01:28,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2019-10-13 23:01:28,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 413. [2019-10-13 23:01:28,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 413 states. [2019-10-13 23:01:28,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 489 transitions. [2019-10-13 23:01:28,555 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 489 transitions. Word has length 46 [2019-10-13 23:01:28,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:01:28,555 INFO L462 AbstractCegarLoop]: Abstraction has 413 states and 489 transitions. [2019-10-13 23:01:28,556 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 23:01:28,556 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 489 transitions. [2019-10-13 23:01:28,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-10-13 23:01:28,557 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:01:28,557 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] [2019-10-13 23:01:28,557 INFO L410 AbstractCegarLoop]: === Iteration 24 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:01:28,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:01:28,558 INFO L82 PathProgramCache]: Analyzing trace with hash 1008336929, now seen corresponding path program 1 times [2019-10-13 23:01:28,558 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:01:28,558 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296232527] [2019-10-13 23:01:28,558 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:28,559 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:28,559 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:01:28,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:01:28,703 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 23:01:28,704 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296232527] [2019-10-13 23:01:28,704 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:01:28,704 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 23:01:28,704 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717250823] [2019-10-13 23:01:28,705 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 23:01:28,705 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:01:28,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 23:01:28,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-13 23:01:28,706 INFO L87 Difference]: Start difference. First operand 413 states and 489 transitions. Second operand 7 states. [2019-10-13 23:01:29,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:01:29,123 INFO L93 Difference]: Finished difference Result 420 states and 497 transitions. [2019-10-13 23:01:29,124 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 23:01:29,124 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 55 [2019-10-13 23:01:29,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:01:29,129 INFO L225 Difference]: With dead ends: 420 [2019-10-13 23:01:29,129 INFO L226 Difference]: Without dead ends: 417 [2019-10-13 23:01:29,130 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 23:01:29,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2019-10-13 23:01:29,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 413. [2019-10-13 23:01:29,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 413 states. [2019-10-13 23:01:29,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 489 transitions. [2019-10-13 23:01:29,192 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 489 transitions. Word has length 55 [2019-10-13 23:01:29,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:01:29,192 INFO L462 AbstractCegarLoop]: Abstraction has 413 states and 489 transitions. [2019-10-13 23:01:29,192 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 23:01:29,192 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 489 transitions. [2019-10-13 23:01:29,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-10-13 23:01:29,193 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:01:29,193 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 23:01:29,194 INFO L410 AbstractCegarLoop]: === Iteration 25 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:01:29,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:01:29,194 INFO L82 PathProgramCache]: Analyzing trace with hash -45534815, now seen corresponding path program 1 times [2019-10-13 23:01:29,194 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:01:29,194 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616753865] [2019-10-13 23:01:29,194 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:29,195 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:29,195 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:01:29,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:01:29,247 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 23:01:29,247 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616753865] [2019-10-13 23:01:29,248 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:01:29,248 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 23:01:29,248 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21847419] [2019-10-13 23:01:29,248 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 23:01:29,249 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:01:29,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 23:01:29,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 23:01:29,249 INFO L87 Difference]: Start difference. First operand 413 states and 489 transitions. Second operand 6 states. [2019-10-13 23:01:29,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:01:29,314 INFO L93 Difference]: Finished difference Result 432 states and 507 transitions. [2019-10-13 23:01:29,314 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 23:01:29,314 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 49 [2019-10-13 23:01:29,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:01:29,316 INFO L225 Difference]: With dead ends: 432 [2019-10-13 23:01:29,317 INFO L226 Difference]: Without dead ends: 410 [2019-10-13 23:01:29,317 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 23:01:29,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2019-10-13 23:01:29,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 408. [2019-10-13 23:01:29,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 408 states. [2019-10-13 23:01:29,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 482 transitions. [2019-10-13 23:01:29,346 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 482 transitions. Word has length 49 [2019-10-13 23:01:29,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:01:29,347 INFO L462 AbstractCegarLoop]: Abstraction has 408 states and 482 transitions. [2019-10-13 23:01:29,347 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 23:01:29,347 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 482 transitions. [2019-10-13 23:01:29,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-13 23:01:29,348 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:01:29,348 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 23:01:29,348 INFO L410 AbstractCegarLoop]: === Iteration 26 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:01:29,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:01:29,349 INFO L82 PathProgramCache]: Analyzing trace with hash 1093912183, now seen corresponding path program 1 times [2019-10-13 23:01:29,349 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:01:29,349 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342963152] [2019-10-13 23:01:29,349 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:29,349 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:29,349 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:01:29,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:01:29,385 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 23:01:29,385 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342963152] [2019-10-13 23:01:29,385 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:01:29,386 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:01:29,386 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502116184] [2019-10-13 23:01:29,386 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:01:29,386 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:01:29,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:01:29,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:01:29,387 INFO L87 Difference]: Start difference. First operand 408 states and 482 transitions. Second operand 3 states. [2019-10-13 23:01:29,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:01:29,426 INFO L93 Difference]: Finished difference Result 657 states and 788 transitions. [2019-10-13 23:01:29,426 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:01:29,426 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2019-10-13 23:01:29,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:01:29,429 INFO L225 Difference]: With dead ends: 657 [2019-10-13 23:01:29,429 INFO L226 Difference]: Without dead ends: 485 [2019-10-13 23:01:29,430 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 23:01:29,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2019-10-13 23:01:29,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 458. [2019-10-13 23:01:29,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 458 states. [2019-10-13 23:01:29,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 544 transitions. [2019-10-13 23:01:29,465 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 544 transitions. Word has length 57 [2019-10-13 23:01:29,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:01:29,465 INFO L462 AbstractCegarLoop]: Abstraction has 458 states and 544 transitions. [2019-10-13 23:01:29,465 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:01:29,466 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 544 transitions. [2019-10-13 23:01:29,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-10-13 23:01:29,467 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:01:29,467 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 23:01:29,467 INFO L410 AbstractCegarLoop]: === Iteration 27 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:01:29,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:01:29,467 INFO L82 PathProgramCache]: Analyzing trace with hash -1654781240, now seen corresponding path program 1 times [2019-10-13 23:01:29,467 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:01:29,468 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99558947] [2019-10-13 23:01:29,468 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:29,468 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:29,468 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:01:29,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:01:29,579 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 23:01:29,580 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99558947] [2019-10-13 23:01:29,580 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:01:29,580 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-13 23:01:29,580 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395044217] [2019-10-13 23:01:29,581 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 23:01:29,581 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:01:29,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 23:01:29,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-13 23:01:29,581 INFO L87 Difference]: Start difference. First operand 458 states and 544 transitions. Second operand 9 states. [2019-10-13 23:01:29,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:01:29,786 INFO L93 Difference]: Finished difference Result 473 states and 558 transitions. [2019-10-13 23:01:29,786 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-13 23:01:29,786 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 49 [2019-10-13 23:01:29,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:01:29,789 INFO L225 Difference]: With dead ends: 473 [2019-10-13 23:01:29,789 INFO L226 Difference]: Without dead ends: 454 [2019-10-13 23:01:29,790 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 23:01:29,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2019-10-13 23:01:29,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 454. [2019-10-13 23:01:29,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 454 states. [2019-10-13 23:01:29,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 538 transitions. [2019-10-13 23:01:29,828 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 538 transitions. Word has length 49 [2019-10-13 23:01:29,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:01:29,829 INFO L462 AbstractCegarLoop]: Abstraction has 454 states and 538 transitions. [2019-10-13 23:01:29,829 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 23:01:29,829 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 538 transitions. [2019-10-13 23:01:29,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-10-13 23:01:29,831 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:01:29,831 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 23:01:29,831 INFO L410 AbstractCegarLoop]: === Iteration 28 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:01:29,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:01:29,831 INFO L82 PathProgramCache]: Analyzing trace with hash 773518056, now seen corresponding path program 1 times [2019-10-13 23:01:29,832 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:01:29,832 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465432673] [2019-10-13 23:01:29,832 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:29,832 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:29,833 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:01:29,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:01:29,979 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 23:01:29,980 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465432673] [2019-10-13 23:01:29,980 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:01:29,980 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-13 23:01:29,980 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687083824] [2019-10-13 23:01:29,980 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 23:01:29,981 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:01:29,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 23:01:29,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-13 23:01:29,981 INFO L87 Difference]: Start difference. First operand 454 states and 538 transitions. Second operand 9 states. [2019-10-13 23:01:30,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:01:30,168 INFO L93 Difference]: Finished difference Result 469 states and 552 transitions. [2019-10-13 23:01:30,169 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-13 23:01:30,169 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 49 [2019-10-13 23:01:30,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:01:30,171 INFO L225 Difference]: With dead ends: 469 [2019-10-13 23:01:30,171 INFO L226 Difference]: Without dead ends: 450 [2019-10-13 23:01:30,172 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 23:01:30,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2019-10-13 23:01:30,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 450. [2019-10-13 23:01:30,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 450 states. [2019-10-13 23:01:30,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 532 transitions. [2019-10-13 23:01:30,204 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 532 transitions. Word has length 49 [2019-10-13 23:01:30,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:01:30,204 INFO L462 AbstractCegarLoop]: Abstraction has 450 states and 532 transitions. [2019-10-13 23:01:30,204 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 23:01:30,204 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 532 transitions. [2019-10-13 23:01:30,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-13 23:01:30,205 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:01:30,206 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 23:01:30,206 INFO L410 AbstractCegarLoop]: === Iteration 29 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:01:30,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:01:30,206 INFO L82 PathProgramCache]: Analyzing trace with hash -983801191, now seen corresponding path program 1 times [2019-10-13 23:01:30,206 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:01:30,207 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28439972] [2019-10-13 23:01:30,207 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:30,207 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:30,207 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:01:30,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:01:30,243 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 23:01:30,244 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28439972] [2019-10-13 23:01:30,244 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:01:30,244 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:01:30,244 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317054100] [2019-10-13 23:01:30,245 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:01:30,245 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:01:30,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:01:30,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:01:30,245 INFO L87 Difference]: Start difference. First operand 450 states and 532 transitions. Second operand 3 states. [2019-10-13 23:01:30,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:01:30,293 INFO L93 Difference]: Finished difference Result 483 states and 570 transitions. [2019-10-13 23:01:30,293 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:01:30,294 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2019-10-13 23:01:30,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:01:30,297 INFO L225 Difference]: With dead ends: 483 [2019-10-13 23:01:30,297 INFO L226 Difference]: Without dead ends: 452 [2019-10-13 23:01:30,298 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 23:01:30,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2019-10-13 23:01:30,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 448. [2019-10-13 23:01:30,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 448 states. [2019-10-13 23:01:30,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 522 transitions. [2019-10-13 23:01:30,394 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 522 transitions. Word has length 51 [2019-10-13 23:01:30,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:01:30,395 INFO L462 AbstractCegarLoop]: Abstraction has 448 states and 522 transitions. [2019-10-13 23:01:30,395 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:01:30,395 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 522 transitions. [2019-10-13 23:01:30,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-10-13 23:01:30,397 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:01:30,397 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] [2019-10-13 23:01:30,397 INFO L410 AbstractCegarLoop]: === Iteration 30 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:01:30,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:01:30,398 INFO L82 PathProgramCache]: Analyzing trace with hash 1222375707, now seen corresponding path program 1 times [2019-10-13 23:01:30,398 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:01:30,398 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842702949] [2019-10-13 23:01:30,398 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:30,399 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:30,399 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:01:30,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:01:30,528 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 23:01:30,528 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842702949] [2019-10-13 23:01:30,528 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:01:30,528 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-13 23:01:30,529 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747998447] [2019-10-13 23:01:30,529 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 23:01:30,529 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:01:30,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 23:01:30,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-13 23:01:30,530 INFO L87 Difference]: Start difference. First operand 448 states and 522 transitions. Second operand 9 states. [2019-10-13 23:01:30,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:01:30,706 INFO L93 Difference]: Finished difference Result 463 states and 536 transitions. [2019-10-13 23:01:30,707 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-13 23:01:30,707 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 50 [2019-10-13 23:01:30,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:01:30,709 INFO L225 Difference]: With dead ends: 463 [2019-10-13 23:01:30,709 INFO L226 Difference]: Without dead ends: 444 [2019-10-13 23:01:30,710 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 23:01:30,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2019-10-13 23:01:30,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 444. [2019-10-13 23:01:30,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 444 states. [2019-10-13 23:01:30,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 516 transitions. [2019-10-13 23:01:30,739 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 516 transitions. Word has length 50 [2019-10-13 23:01:30,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:01:30,740 INFO L462 AbstractCegarLoop]: Abstraction has 444 states and 516 transitions. [2019-10-13 23:01:30,740 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 23:01:30,740 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 516 transitions. [2019-10-13 23:01:30,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-13 23:01:30,741 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:01:30,741 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 23:01:30,741 INFO L410 AbstractCegarLoop]: === Iteration 31 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:01:30,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:01:30,742 INFO L82 PathProgramCache]: Analyzing trace with hash -1864664581, now seen corresponding path program 1 times [2019-10-13 23:01:30,742 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:01:30,742 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730765207] [2019-10-13 23:01:30,742 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:30,742 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:30,742 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:01:30,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:01:30,797 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 23:01:30,798 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730765207] [2019-10-13 23:01:30,798 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:01:30,798 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 23:01:30,798 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222638670] [2019-10-13 23:01:30,798 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 23:01:30,799 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:01:30,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 23:01:30,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 23:01:30,799 INFO L87 Difference]: Start difference. First operand 444 states and 516 transitions. Second operand 5 states. [2019-10-13 23:01:30,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:01:30,850 INFO L93 Difference]: Finished difference Result 452 states and 523 transitions. [2019-10-13 23:01:30,850 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 23:01:30,850 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 53 [2019-10-13 23:01:30,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:01:30,853 INFO L225 Difference]: With dead ends: 452 [2019-10-13 23:01:30,853 INFO L226 Difference]: Without dead ends: 429 [2019-10-13 23:01:30,854 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 23:01:30,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2019-10-13 23:01:30,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 426. [2019-10-13 23:01:30,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 426 states. [2019-10-13 23:01:30,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 497 transitions. [2019-10-13 23:01:30,898 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 497 transitions. Word has length 53 [2019-10-13 23:01:30,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:01:30,899 INFO L462 AbstractCegarLoop]: Abstraction has 426 states and 497 transitions. [2019-10-13 23:01:30,899 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 23:01:30,899 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 497 transitions. [2019-10-13 23:01:30,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-13 23:01:30,900 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:01:30,900 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 23:01:30,901 INFO L410 AbstractCegarLoop]: === Iteration 32 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:01:30,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:01:30,901 INFO L82 PathProgramCache]: Analyzing trace with hash -451761164, now seen corresponding path program 1 times [2019-10-13 23:01:30,901 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:01:30,905 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136414797] [2019-10-13 23:01:30,905 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:30,905 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:30,905 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:01:30,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:01:31,025 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 23:01:31,026 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136414797] [2019-10-13 23:01:31,026 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:01:31,026 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-13 23:01:31,026 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802491509] [2019-10-13 23:01:31,027 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 23:01:31,027 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:01:31,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 23:01:31,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-13 23:01:31,027 INFO L87 Difference]: Start difference. First operand 426 states and 497 transitions. Second operand 9 states. [2019-10-13 23:01:31,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:01:31,226 INFO L93 Difference]: Finished difference Result 441 states and 511 transitions. [2019-10-13 23:01:31,226 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-13 23:01:31,226 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 53 [2019-10-13 23:01:31,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:01:31,228 INFO L225 Difference]: With dead ends: 441 [2019-10-13 23:01:31,229 INFO L226 Difference]: Without dead ends: 409 [2019-10-13 23:01:31,229 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 23:01:31,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2019-10-13 23:01:31,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 409. [2019-10-13 23:01:31,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 409 states. [2019-10-13 23:01:31,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 476 transitions. [2019-10-13 23:01:31,256 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 476 transitions. Word has length 53 [2019-10-13 23:01:31,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:01:31,257 INFO L462 AbstractCegarLoop]: Abstraction has 409 states and 476 transitions. [2019-10-13 23:01:31,257 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 23:01:31,257 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 476 transitions. [2019-10-13 23:01:31,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-10-13 23:01:31,258 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:01:31,258 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] [2019-10-13 23:01:31,258 INFO L410 AbstractCegarLoop]: === Iteration 33 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:01:31,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:01:31,259 INFO L82 PathProgramCache]: Analyzing trace with hash 525953556, now seen corresponding path program 1 times [2019-10-13 23:01:31,259 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:01:31,259 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293606527] [2019-10-13 23:01:31,259 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:31,259 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:31,259 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:01:31,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:01:31,380 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 23:01:31,380 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293606527] [2019-10-13 23:01:31,380 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:01:31,381 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-13 23:01:31,381 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468153299] [2019-10-13 23:01:31,381 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-13 23:01:31,381 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:01:31,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-13 23:01:31,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-10-13 23:01:31,382 INFO L87 Difference]: Start difference. First operand 409 states and 476 transitions. Second operand 10 states. [2019-10-13 23:01:32,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:01:32,214 INFO L93 Difference]: Finished difference Result 443 states and 510 transitions. [2019-10-13 23:01:32,215 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-13 23:01:32,215 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 63 [2019-10-13 23:01:32,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:01:32,220 INFO L225 Difference]: With dead ends: 443 [2019-10-13 23:01:32,221 INFO L226 Difference]: Without dead ends: 407 [2019-10-13 23:01:32,221 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=290, Unknown=0, NotChecked=0, Total=380 [2019-10-13 23:01:32,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2019-10-13 23:01:32,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 407. [2019-10-13 23:01:32,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 407 states. [2019-10-13 23:01:32,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 471 transitions. [2019-10-13 23:01:32,277 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 471 transitions. Word has length 63 [2019-10-13 23:01:32,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:01:32,277 INFO L462 AbstractCegarLoop]: Abstraction has 407 states and 471 transitions. [2019-10-13 23:01:32,277 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-13 23:01:32,278 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 471 transitions. [2019-10-13 23:01:32,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-10-13 23:01:32,283 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:01:32,283 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] [2019-10-13 23:01:32,284 INFO L410 AbstractCegarLoop]: === Iteration 34 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:01:32,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:01:32,284 INFO L82 PathProgramCache]: Analyzing trace with hash 975323943, now seen corresponding path program 1 times [2019-10-13 23:01:32,284 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:01:32,284 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842092111] [2019-10-13 23:01:32,285 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:32,285 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:32,285 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:01:32,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:01:32,434 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 23:01:32,434 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842092111] [2019-10-13 23:01:32,435 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:01:32,435 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 23:01:32,435 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280806822] [2019-10-13 23:01:32,435 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 23:01:32,435 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:01:32,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 23:01:32,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-10-13 23:01:32,436 INFO L87 Difference]: Start difference. First operand 407 states and 471 transitions. Second operand 8 states. [2019-10-13 23:01:33,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:01:33,007 INFO L93 Difference]: Finished difference Result 489 states and 580 transitions. [2019-10-13 23:01:33,007 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-13 23:01:33,007 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 64 [2019-10-13 23:01:33,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:01:33,010 INFO L225 Difference]: With dead ends: 489 [2019-10-13 23:01:33,010 INFO L226 Difference]: Without dead ends: 485 [2019-10-13 23:01:33,011 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-10-13 23:01:33,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2019-10-13 23:01:33,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 407. [2019-10-13 23:01:33,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 407 states. [2019-10-13 23:01:33,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 471 transitions. [2019-10-13 23:01:33,043 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 471 transitions. Word has length 64 [2019-10-13 23:01:33,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:01:33,043 INFO L462 AbstractCegarLoop]: Abstraction has 407 states and 471 transitions. [2019-10-13 23:01:33,043 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 23:01:33,043 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 471 transitions. [2019-10-13 23:01:33,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-10-13 23:01:33,044 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:01:33,044 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 23:01:33,045 INFO L410 AbstractCegarLoop]: === Iteration 35 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:01:33,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:01:33,045 INFO L82 PathProgramCache]: Analyzing trace with hash 911684087, now seen corresponding path program 1 times [2019-10-13 23:01:33,045 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:01:33,045 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362460734] [2019-10-13 23:01:33,045 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:33,046 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:33,046 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:01:33,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:01:33,099 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 23:01:33,099 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362460734] [2019-10-13 23:01:33,100 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:01:33,100 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 23:01:33,100 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036711164] [2019-10-13 23:01:33,100 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 23:01:33,100 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:01:33,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 23:01:33,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 23:01:33,101 INFO L87 Difference]: Start difference. First operand 407 states and 471 transitions. Second operand 5 states. [2019-10-13 23:01:33,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:01:33,429 INFO L93 Difference]: Finished difference Result 705 states and 797 transitions. [2019-10-13 23:01:33,429 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 23:01:33,430 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 59 [2019-10-13 23:01:33,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:01:33,432 INFO L225 Difference]: With dead ends: 705 [2019-10-13 23:01:33,432 INFO L226 Difference]: Without dead ends: 442 [2019-10-13 23:01:33,433 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 23:01:33,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2019-10-13 23:01:33,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 422. [2019-10-13 23:01:33,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 422 states. [2019-10-13 23:01:33,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 480 transitions. [2019-10-13 23:01:33,467 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 480 transitions. Word has length 59 [2019-10-13 23:01:33,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:01:33,467 INFO L462 AbstractCegarLoop]: Abstraction has 422 states and 480 transitions. [2019-10-13 23:01:33,467 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 23:01:33,467 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 480 transitions. [2019-10-13 23:01:33,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-10-13 23:01:33,468 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:01:33,468 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 23:01:33,469 INFO L410 AbstractCegarLoop]: === Iteration 36 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:01:33,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:01:33,469 INFO L82 PathProgramCache]: Analyzing trace with hash -2147321544, now seen corresponding path program 1 times [2019-10-13 23:01:33,469 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:01:33,469 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264277530] [2019-10-13 23:01:33,470 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:33,470 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:33,470 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:01:33,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:01:33,513 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 23:01:33,513 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264277530] [2019-10-13 23:01:33,513 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:01:33,513 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 23:01:33,513 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632298625] [2019-10-13 23:01:33,514 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 23:01:33,514 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:01:33,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 23:01:33,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 23:01:33,514 INFO L87 Difference]: Start difference. First operand 422 states and 480 transitions. Second operand 5 states. [2019-10-13 23:01:33,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:01:33,553 INFO L93 Difference]: Finished difference Result 461 states and 518 transitions. [2019-10-13 23:01:33,553 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 23:01:33,553 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 62 [2019-10-13 23:01:33,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:01:33,555 INFO L225 Difference]: With dead ends: 461 [2019-10-13 23:01:33,556 INFO L226 Difference]: Without dead ends: 422 [2019-10-13 23:01:33,557 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 23:01:33,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2019-10-13 23:01:33,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 422. [2019-10-13 23:01:33,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 422 states. [2019-10-13 23:01:33,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 479 transitions. [2019-10-13 23:01:33,597 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 479 transitions. Word has length 62 [2019-10-13 23:01:33,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:01:33,598 INFO L462 AbstractCegarLoop]: Abstraction has 422 states and 479 transitions. [2019-10-13 23:01:33,598 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 23:01:33,598 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 479 transitions. [2019-10-13 23:01:33,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-10-13 23:01:33,599 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:01:33,599 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] [2019-10-13 23:01:33,600 INFO L410 AbstractCegarLoop]: === Iteration 37 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:01:33,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:01:33,600 INFO L82 PathProgramCache]: Analyzing trace with hash 1430065658, now seen corresponding path program 1 times [2019-10-13 23:01:33,600 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:01:33,600 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734468133] [2019-10-13 23:01:33,600 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:33,601 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:33,601 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:01:33,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:01:33,695 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 23:01:33,695 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734468133] [2019-10-13 23:01:33,696 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:01:33,696 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 23:01:33,696 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145155102] [2019-10-13 23:01:33,696 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 23:01:33,696 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:01:33,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 23:01:33,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-13 23:01:33,698 INFO L87 Difference]: Start difference. First operand 422 states and 479 transitions. Second operand 7 states. [2019-10-13 23:01:33,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:01:33,861 INFO L93 Difference]: Finished difference Result 439 states and 495 transitions. [2019-10-13 23:01:33,862 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 23:01:33,862 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 71 [2019-10-13 23:01:33,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:01:33,864 INFO L225 Difference]: With dead ends: 439 [2019-10-13 23:01:33,864 INFO L226 Difference]: Without dead ends: 420 [2019-10-13 23:01:33,865 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 23:01:33,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2019-10-13 23:01:33,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 381. [2019-10-13 23:01:33,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 381 states. [2019-10-13 23:01:33,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 427 transitions. [2019-10-13 23:01:33,896 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 427 transitions. Word has length 71 [2019-10-13 23:01:33,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:01:33,896 INFO L462 AbstractCegarLoop]: Abstraction has 381 states and 427 transitions. [2019-10-13 23:01:33,896 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 23:01:33,896 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 427 transitions. [2019-10-13 23:01:33,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-10-13 23:01:33,898 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:01:33,898 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] [2019-10-13 23:01:33,898 INFO L410 AbstractCegarLoop]: === Iteration 38 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:01:33,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:01:33,898 INFO L82 PathProgramCache]: Analyzing trace with hash -300877880, now seen corresponding path program 1 times [2019-10-13 23:01:33,899 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:01:33,899 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042651239] [2019-10-13 23:01:33,899 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:33,899 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:33,899 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:01:33,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:01:34,031 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 23:01:34,031 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042651239] [2019-10-13 23:01:34,032 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:01:34,032 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-13 23:01:34,032 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673954689] [2019-10-13 23:01:34,033 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 23:01:34,033 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:01:34,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 23:01:34,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-10-13 23:01:34,035 INFO L87 Difference]: Start difference. First operand 381 states and 427 transitions. Second operand 9 states. [2019-10-13 23:01:34,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:01:34,636 INFO L93 Difference]: Finished difference Result 497 states and 556 transitions. [2019-10-13 23:01:34,637 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-13 23:01:34,637 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 72 [2019-10-13 23:01:34,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:01:34,640 INFO L225 Difference]: With dead ends: 497 [2019-10-13 23:01:34,640 INFO L226 Difference]: Without dead ends: 353 [2019-10-13 23:01:34,641 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 23:01:34,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2019-10-13 23:01:34,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 349. [2019-10-13 23:01:34,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 349 states. [2019-10-13 23:01:34,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 388 transitions. [2019-10-13 23:01:34,673 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 388 transitions. Word has length 72 [2019-10-13 23:01:34,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:01:34,674 INFO L462 AbstractCegarLoop]: Abstraction has 349 states and 388 transitions. [2019-10-13 23:01:34,674 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 23:01:34,675 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 388 transitions. [2019-10-13 23:01:34,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-10-13 23:01:34,676 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:01:34,676 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 23:01:34,676 INFO L410 AbstractCegarLoop]: === Iteration 39 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:01:34,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:01:34,677 INFO L82 PathProgramCache]: Analyzing trace with hash 319828316, now seen corresponding path program 1 times [2019-10-13 23:01:34,677 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:01:34,677 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487792617] [2019-10-13 23:01:34,677 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:34,677 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:01:34,677 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:01:34,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-13 23:01:34,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-13 23:01:34,832 INFO L168 tionRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-10-13 23:01:34,833 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-10-13 23:01:34,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 11:01:34 BoogieIcfgContainer [2019-10-13 23:01:34,996 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 23:01:34,998 INFO L168 Benchmark]: Toolchain (without parser) took 19781.10 ms. Allocated memory was 137.9 MB in the beginning and 552.6 MB in the end (delta: 414.7 MB). Free memory was 100.6 MB in the beginning and 311.3 MB in the end (delta: -210.7 MB). Peak memory consumption was 204.0 MB. Max. memory is 7.1 GB. [2019-10-13 23:01:34,998 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 137.9 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-13 23:01:34,999 INFO L168 Benchmark]: CACSL2BoogieTranslator took 572.62 ms. Allocated memory was 137.9 MB in the beginning and 202.9 MB in the end (delta: 65.0 MB). Free memory was 100.4 MB in the beginning and 174.3 MB in the end (delta: -73.9 MB). Peak memory consumption was 31.2 MB. Max. memory is 7.1 GB. [2019-10-13 23:01:34,999 INFO L168 Benchmark]: Boogie Preprocessor took 84.69 ms. Allocated memory is still 202.9 MB. Free memory was 174.3 MB in the beginning and 169.8 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2019-10-13 23:01:35,000 INFO L168 Benchmark]: RCFGBuilder took 1371.31 ms. Allocated memory was 202.9 MB in the beginning and 234.9 MB in the end (delta: 32.0 MB). Free memory was 169.8 MB in the beginning and 158.5 MB in the end (delta: 11.2 MB). Peak memory consumption was 88.1 MB. Max. memory is 7.1 GB. [2019-10-13 23:01:35,000 INFO L168 Benchmark]: TraceAbstraction took 17748.19 ms. Allocated memory was 234.9 MB in the beginning and 552.6 MB in the end (delta: 317.7 MB). Free memory was 158.5 MB in the beginning and 311.3 MB in the end (delta: -152.8 MB). Peak memory consumption was 164.9 MB. Max. memory is 7.1 GB. [2019-10-13 23:01:35,003 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 137.9 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 572.62 ms. Allocated memory was 137.9 MB in the beginning and 202.9 MB in the end (delta: 65.0 MB). Free memory was 100.4 MB in the beginning and 174.3 MB in the end (delta: -73.9 MB). Peak memory consumption was 31.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 84.69 ms. Allocated memory is still 202.9 MB. Free memory was 174.3 MB in the beginning and 169.8 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1371.31 ms. Allocated memory was 202.9 MB in the beginning and 234.9 MB in the end (delta: 32.0 MB). Free memory was 169.8 MB in the beginning and 158.5 MB in the end (delta: 11.2 MB). Peak memory consumption was 88.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 17748.19 ms. Allocated memory was 234.9 MB in the beginning and 552.6 MB in the end (delta: 317.7 MB). Free memory was 158.5 MB in the beginning and 311.3 MB in the end (delta: -152.8 MB). Peak memory consumption was 164.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 64]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L35] int FloppyThread ; [L36] int KernelMode ; [L37] int Suspended ; [L38] int Executive ; [L39] int DiskController ; [L40] int FloppyDiskPeripheral ; [L41] int FlConfigCallBack ; [L42] int MaximumInterfaceType ; [L43] int MOUNTDEV_MOUNTED_DEVICE_GUID ; [L44] int myStatus ; [L45] int s ; [L46] int UNLOADED ; [L47] int NP ; [L48] int DC ; [L49] int SKIP1 ; [L50] int SKIP2 ; [L51] int MPR1 ; [L52] int MPR3 ; [L53] int IPC ; [L54] int pended ; [L55] int compRegistered ; [L56] int lowerDriverReturn ; [L57] int setEventCalled ; [L58] int customIrp ; [L90] int PagingReferenceCount = 0; [L91] int PagingMutex = 0; [L670] int status ; [L671] int irp = __VERIFIER_nondet_int() ; [L672] int pirp ; [L673] int pirp__IoStatus__Status ; [L674] int irp_choice = __VERIFIER_nondet_int() ; [L675] int devobj = __VERIFIER_nondet_int() ; [L676] int __cil_tmp8 ; [L678] FloppyThread = 0 [L679] KernelMode = 0 [L680] Suspended = 0 [L681] Executive = 0 [L682] DiskController = 0 [L683] FloppyDiskPeripheral = 0 [L684] FlConfigCallBack = 0 [L685] MaximumInterfaceType = 0 [L686] MOUNTDEV_MOUNTED_DEVICE_GUID = 0 [L687] myStatus = 0 [L688] s = 0 [L689] UNLOADED = 0 [L690] NP = 0 [L691] DC = 0 [L692] SKIP1 = 0 [L693] SKIP2 = 0 [L694] MPR1 = 0 [L695] MPR3 = 0 [L696] IPC = 0 [L697] pended = 0 [L698] compRegistered = 0 [L699] lowerDriverReturn = 0 [L700] setEventCalled = 0 [L701] customIrp = 0 [L705] status = 0 [L706] 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] [L707] 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] [L73] UNLOADED = 0 [L74] NP = 1 [L75] DC = 2 [L76] SKIP1 = 3 [L77] SKIP2 = 4 [L78] MPR1 = 5 [L79] MPR3 = 6 [L80] IPC = 7 [L81] s = UNLOADED [L82] pended = 0 [L83] compRegistered = 0 [L84] lowerDriverReturn = 0 [L85] setEventCalled = 0 [L86] customIrp = 0 [L707] 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] [L709] COND TRUE status >= 0 [L710] s = NP [L711] customIrp = 0 [L712] setEventCalled = customIrp [L713] lowerDriverReturn = setEventCalled [L714] compRegistered = lowerDriverReturn [L715] pended = compRegistered [L716] pirp__IoStatus__Status = 0 [L717] myStatus = 0 [L718] COND TRUE irp_choice == 0 [L719] pirp__IoStatus__Status = -1073741637 [L720] 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] [L723] 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] [L660] s = NP [L661] pended = 0 [L662] compRegistered = 0 [L663] lowerDriverReturn = 0 [L664] setEventCalled = 0 [L665] customIrp = 0 [L723] 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] [L726] COND FALSE !(status < 0) [L730] int tmp_ndt_1; [L731] tmp_ndt_1 = __VERIFIER_nondet_int() [L732] COND TRUE tmp_ndt_1 == 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=3, UNLOADED=0] [L739] 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] [L163] int DeviceObject__DeviceExtension = __VERIFIER_nondet_int() ; [L164] int Irp__Tail__Overlay__CurrentStackLocation = __VERIFIER_nondet_int() ; [L165] int Irp__IoStatus__Information ; [L166] int Irp__IoStatus__Status ; [L167] int Irp__CurrentLocation = __VERIFIER_nondet_int() ; [L168] int disketteExtension__IsRemoved = __VERIFIER_nondet_int() ; [L169] int disketteExtension__IsStarted = __VERIFIER_nondet_int() ; [L170] int disketteExtension__TargetObject = __VERIFIER_nondet_int() ; [L171] int disketteExtension__HoldNewRequests ; [L172] int disketteExtension__FloppyThread = __VERIFIER_nondet_int() ; [L173] int disketteExtension__InterfaceString__Buffer = __VERIFIER_nondet_int() ; [L174] int disketteExtension__InterfaceString = __VERIFIER_nondet_int() ; [L175] int disketteExtension__ArcName__Length = __VERIFIER_nondet_int() ; [L176] int disketteExtension__ArcName = __VERIFIER_nondet_int() ; [L177] int irpSp__MinorFunction = __VERIFIER_nondet_int() ; [L178] int IoGetConfigurationInformation__FloppyCount = __VERIFIER_nondet_int() ; [L179] int irpSp ; [L180] int disketteExtension ; [L181] int ntStatus ; [L182] int doneEvent = __VERIFIER_nondet_int() ; [L183] int irpSp___0 ; [L184] int nextIrpSp ; [L185] int nextIrpSp__Control ; [L186] int irpSp___1 ; [L187] int irpSp__Context ; [L188] int irpSp__Control ; [L189] long __cil_tmp29 ; [L190] long __cil_tmp30 ; [L193] ntStatus = 0 [L194] PagingReferenceCount ++ [L195] COND TRUE PagingReferenceCount == 1 [L198] disketteExtension = DeviceObject__DeviceExtension [L199] 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=0, 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] [L200] 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=0, 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 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=0, 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] [L212] 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=0, 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 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=0, 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] [L241] COND FALSE !(! disketteExtension__IsStarted) [L257] 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=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__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] [L258] 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] [L100] int status ; [L101] int threadHandle = __VERIFIER_nondet_int() ; [L102] int DisketteExtension__PoweringDown = __VERIFIER_nondet_int() ; [L103] int DisketteExtension__ThreadReferenceCount = __VERIFIER_nondet_int() ; [L104] int DisketteExtension__FloppyThread = __VERIFIER_nondet_int() ; [L105] int Irp__IoStatus__Status ; [L106] int Irp__IoStatus__Information ; [L107] int Irp__Tail__Overlay__CurrentStackLocation__Control ; [L108] int ObjAttributes = __VERIFIER_nondet_int() ; [L109] int __cil_tmp12 ; [L110] 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] [L113] COND FALSE !(DisketteExtension__PoweringDown == 1) [L119] 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] [L120] 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] [L152] COND TRUE pended == 0 [L153] 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] [L159] 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] [L258] 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=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, 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] [L258] ntStatus = FlQueueIrpToThread(Irp, disketteExtension) [L261] __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=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__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] [L262] 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=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__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] [L264-L265] 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)=0, \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] [L1035] 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)=0, \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=0, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, Timeout=0, UNLOADED=0, WaitMode=0, WaitReason=0] [L1044] 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)=0, \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=0, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, Timeout=0, UNLOADED=0, WaitMode=0, WaitReason=0] [L1048] 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)=0, \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=0, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, Timeout=0, UNLOADED=0, WaitMode=0, WaitReason=0] [L1055] int tmp_ndt_8; [L1056] tmp_ndt_8 = __VERIFIER_nondet_int() [L1057] COND TRUE tmp_ndt_8 == 0 [L1063] return (0); [L264-L265] 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=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__Tail__Overlay__CurrentStackLocation=-3, irpSp=-3, irpSp__MinorFunction=5, KernelMode=0, KeWaitForSingleObject(disketteExtension__FloppyThread, Executive, KernelMode, 0, 0)=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] [L267] COND FALSE !(disketteExtension__FloppyThread != 0) [L270] disketteExtension__FloppyThread = 0 [L271] Irp__IoStatus__Status = 0 [L272] 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] [L273] COND TRUE s == NP [L274] 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] [L281] Irp__CurrentLocation ++ [L282] 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] [L283] 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] [L937] int returnVal2 ; [L938] int compRetStatus1 ; [L939] int lcontext = __VERIFIER_nondet_int() ; [L940] 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] [L943] 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] [L956] int tmp_ndt_12; [L957] tmp_ndt_12 = __VERIFIER_nondet_int() [L958] COND TRUE tmp_ndt_12 == 0 [L969] returnVal2 = 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)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __VERIFIER_nondet_int()=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, returnVal2=0, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, tmp_ndt_12=0, tmp_ndt_7=0, UNLOADED=0] [L982] 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()=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, returnVal2=0, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, tmp_ndt_12=0, tmp_ndt_7=0, UNLOADED=0] [L986] 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()=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, returnVal2=0, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, tmp_ndt_12=0, tmp_ndt_7=0, UNLOADED=0] [L995] COND TRUE s == SKIP1 [L996] s = SKIP2 [L997] 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()=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, returnVal2=0, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, tmp_ndt_12=0, tmp_ndt_7=0, UNLOADED=0] [L1005] return (returnVal2); [L283] 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)=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=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L283] ntStatus = IofCallDriver(disketteExtension__TargetObject, Irp) [L429] PagingReferenceCount -- [L430] COND TRUE PagingReferenceCount == 0 [L433] 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=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=0, PagingMutex=0, PagingReferenceCount=0, pended=1, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L739] 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)=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=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=3, UNLOADED=0] [L739] status = FloppyPnp(devobj, pirp) [L749] 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=0, 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=3, UNLOADED=0] [L750] 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=0, 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=3, UNLOADED=0] [L757] 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=0, 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=3, UNLOADED=0] [L758] 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=0, 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=3, UNLOADED=0] [L765] 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=0, 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=3, UNLOADED=0] [L766] 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=0, 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=3, UNLOADED=0] [L767] 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=0, 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=3, UNLOADED=0] [L781] 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=0, 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=3, UNLOADED=0] [L782] 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=0, 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=3, UNLOADED=0] [L783] 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=0, 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] [L64] __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=0, 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 26 procedures, 237 locations, 1 error locations. Result: UNSAFE, OverallTime: 17.6s, OverallIterations: 39, TraceHistogramMax: 1, AutomataDifference: 11.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 10229 SDtfs, 6801 SDslu, 24349 SDs, 0 SdLazy, 9343 SolverSat, 1905 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 339 GetRequests, 110 SyntacticMatches, 1 SemanticMatches, 228 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 184 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=537occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.3s AutomataMinimizationTime, 38 MinimizatonAttempts, 639 StatesRemovedByMinimization, 24 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 1810 NumberOfCodeBlocks, 1810 NumberOfCodeBlocksAsserted, 39 NumberOfCheckSat, 1706 ConstructedInterpolants, 0 QuantifiedInterpolants, 186328 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 38 InterpolantComputations, 38 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...