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 0.1.24-13a467a-m [2019-10-15 03:05:11,490 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 03:05:11,493 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 03:05:11,509 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 03:05:11,509 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 03:05:11,511 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 03:05:11,512 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 03:05:11,514 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 03:05:11,516 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 03:05:11,517 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 03:05:11,518 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 03:05:11,519 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 03:05:11,519 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 03:05:11,520 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 03:05:11,521 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 03:05:11,523 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 03:05:11,524 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 03:05:11,524 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 03:05:11,526 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 03:05:11,528 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 03:05:11,530 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 03:05:11,531 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 03:05:11,532 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 03:05:11,533 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 03:05:11,535 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 03:05:11,535 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 03:05:11,535 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 03:05:11,536 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 03:05:11,537 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 03:05:11,538 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 03:05:11,538 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 03:05:11,539 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 03:05:11,540 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 03:05:11,540 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 03:05:11,541 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 03:05:11,542 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 03:05:11,542 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 03:05:11,543 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 03:05:11,543 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 03:05:11,544 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 03:05:11,545 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 03:05:11,545 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 03:05:11,559 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 03:05:11,560 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 03:05:11,561 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 03:05:11,561 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 03:05:11,561 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 03:05:11,562 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 03:05:11,562 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 03:05:11,562 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 03:05:11,562 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 03:05:11,562 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 03:05:11,563 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 03:05:11,563 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 03:05:11,563 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 03:05:11,563 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 03:05:11,563 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 03:05:11,564 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 03:05:11,564 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 03:05:11,564 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 03:05:11,564 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 03:05:11,564 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 03:05:11,565 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 03:05:11,565 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:05:11,565 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 03:05:11,565 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 03:05:11,566 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 03:05:11,566 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 03:05:11,566 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 03:05:11,567 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 03:05:11,567 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-15 03:05:11,876 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 03:05:11,906 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 03:05:11,909 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 03:05:11,911 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 03:05:11,912 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 03:05:11,912 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/floppy_simpl3.cil-1.c [2019-10-15 03:05:11,991 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa0e90031/16e7dc9b132e437bab86c94c7d9ac9e3/FLAG55f546681 [2019-10-15 03:05:12,766 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 03:05:12,767 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/floppy_simpl3.cil-1.c [2019-10-15 03:05:12,784 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa0e90031/16e7dc9b132e437bab86c94c7d9ac9e3/FLAG55f546681 [2019-10-15 03:05:12,805 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa0e90031/16e7dc9b132e437bab86c94c7d9ac9e3 [2019-10-15 03:05:12,817 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 03:05:12,819 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 03:05:12,820 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 03:05:12,821 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 03:05:12,824 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 03:05:12,825 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:05:12" (1/1) ... [2019-10-15 03:05:12,828 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16a0f3ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:05:12, skipping insertion in model container [2019-10-15 03:05:12,829 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:05:12" (1/1) ... [2019-10-15 03:05:12,837 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 03:05:12,892 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 03:05:13,339 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:05:13,346 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 03:05:13,441 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:05:13,467 INFO L192 MainTranslator]: Completed translation [2019-10-15 03:05:13,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:05:13 WrapperNode [2019-10-15 03:05:13,467 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 03:05:13,468 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 03:05:13,468 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 03:05:13,468 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 03:05:13,483 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:05:13" (1/1) ... [2019-10-15 03:05:13,483 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:05:13" (1/1) ... [2019-10-15 03:05:13,503 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:05:13" (1/1) ... [2019-10-15 03:05:13,504 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:05:13" (1/1) ... [2019-10-15 03:05:13,553 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:05:13" (1/1) ... [2019-10-15 03:05:13,571 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:05:13" (1/1) ... [2019-10-15 03:05:13,575 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:05:13" (1/1) ... [2019-10-15 03:05:13,584 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 03:05:13,585 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 03:05:13,585 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 03:05:13,585 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 03:05:13,587 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:05:13" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:05:13,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 03:05:13,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 03:05:13,674 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2019-10-15 03:05:13,674 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2019-10-15 03:05:13,674 INFO L138 BoogieDeclarations]: Found implementation of procedure FlAcpiConfigureFloppy [2019-10-15 03:05:13,675 INFO L138 BoogieDeclarations]: Found implementation of procedure FlQueueIrpToThread [2019-10-15 03:05:13,676 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnp [2019-10-15 03:05:13,676 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyStartDevice [2019-10-15 03:05:13,676 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnpComplete [2019-10-15 03:05:13,677 INFO L138 BoogieDeclarations]: Found implementation of procedure FlFdcDeviceIo [2019-10-15 03:05:13,677 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyProcessQueuedRequests [2019-10-15 03:05:13,678 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2019-10-15 03:05:13,678 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 03:05:13,679 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2019-10-15 03:05:13,679 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteSymbolicLink [2019-10-15 03:05:13,679 INFO L138 BoogieDeclarations]: Found implementation of procedure IoQueryDeviceDescription [2019-10-15 03:05:13,681 INFO L138 BoogieDeclarations]: Found implementation of procedure IoRegisterDeviceInterface [2019-10-15 03:05:13,682 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2019-10-15 03:05:13,683 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2019-10-15 03:05:13,683 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2019-10-15 03:05:13,683 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2019-10-15 03:05:13,684 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2019-10-15 03:05:13,684 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2019-10-15 03:05:13,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ObReferenceObjectByHandle [2019-10-15 03:05:13,684 INFO L138 BoogieDeclarations]: Found implementation of procedure PsCreateSystemThread [2019-10-15 03:05:13,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2019-10-15 03:05:13,685 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 03:05:13,685 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-10-15 03:05:13,686 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 03:05:13,686 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-15 03:05:13,686 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-15 03:05:13,686 INFO L130 BoogieDeclarations]: Found specification of procedure FlAcpiConfigureFloppy [2019-10-15 03:05:13,686 INFO L130 BoogieDeclarations]: Found specification of procedure FlQueueIrpToThread [2019-10-15 03:05:13,686 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnp [2019-10-15 03:05:13,687 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyStartDevice [2019-10-15 03:05:13,687 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnpComplete [2019-10-15 03:05:13,687 INFO L130 BoogieDeclarations]: Found specification of procedure FlFdcDeviceIo [2019-10-15 03:05:13,687 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2019-10-15 03:05:13,687 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteSymbolicLink [2019-10-15 03:05:13,687 INFO L130 BoogieDeclarations]: Found specification of procedure IoQueryDeviceDescription [2019-10-15 03:05:13,688 INFO L130 BoogieDeclarations]: Found specification of procedure IoRegisterDeviceInterface [2019-10-15 03:05:13,688 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2019-10-15 03:05:13,688 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2019-10-15 03:05:13,688 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2019-10-15 03:05:13,689 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2019-10-15 03:05:13,690 INFO L130 BoogieDeclarations]: Found specification of procedure ObReferenceObjectByHandle [2019-10-15 03:05:13,690 INFO L130 BoogieDeclarations]: Found specification of procedure PsCreateSystemThread [2019-10-15 03:05:13,690 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2019-10-15 03:05:13,690 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2019-10-15 03:05:13,690 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2019-10-15 03:05:13,690 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2019-10-15 03:05:13,690 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyProcessQueuedRequests [2019-10-15 03:05:13,691 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2019-10-15 03:05:13,691 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 03:05:13,691 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2019-10-15 03:05:13,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 03:05:13,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 03:05:14,098 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-15 03:05:14,163 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-15 03:05:14,163 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-15 03:05:14,173 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-15 03:05:14,191 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-15 03:05:14,191 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-15 03:05:14,198 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-15 03:05:14,565 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2019-10-15 03:05:14,565 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2019-10-15 03:05:14,567 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-15 03:05:14,677 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume false; [2019-10-15 03:05:14,677 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !false; [2019-10-15 03:05:14,688 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-15 03:05:14,726 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2019-10-15 03:05:14,726 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2019-10-15 03:05:14,872 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-15 03:05:14,883 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-15 03:05:14,884 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-15 03:05:14,884 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-15 03:05:14,895 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-15 03:05:14,896 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-15 03:05:14,896 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-15 03:05:14,914 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-15 03:05:14,915 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-15 03:05:14,989 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-15 03:05:15,035 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-10-15 03:05:15,035 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-10-15 03:05:15,096 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-15 03:05:15,113 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-15 03:05:15,113 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-15 03:05:15,114 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-15 03:05:15,135 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-15 03:05:15,135 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-15 03:05:15,136 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-15 03:05:15,176 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-15 03:05:15,176 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-15 03:05:15,669 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 03:05:15,669 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-15 03:05:15,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:05:15 BoogieIcfgContainer [2019-10-15 03:05:15,680 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 03:05:15,684 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 03:05:15,684 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 03:05:15,701 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 03:05:15,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 03:05:12" (1/3) ... [2019-10-15 03:05:15,704 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fe905c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:05:15, skipping insertion in model container [2019-10-15 03:05:15,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:05:13" (2/3) ... [2019-10-15 03:05:15,706 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fe905c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:05:15, skipping insertion in model container [2019-10-15 03:05:15,707 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:05:15" (3/3) ... [2019-10-15 03:05:15,715 INFO L109 eAbstractionObserver]: Analyzing ICFG floppy_simpl3.cil-1.c [2019-10-15 03:05:15,733 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 03:05:15,747 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 03:05:15,762 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 03:05:15,812 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 03:05:15,813 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 03:05:15,813 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 03:05:15,813 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 03:05:15,813 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 03:05:15,813 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 03:05:15,813 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 03:05:15,814 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 03:05:15,839 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states. [2019-10-15 03:05:15,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-15 03:05:15,847 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:15,848 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:05:15,849 INFO L410 AbstractCegarLoop]: === Iteration 1 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:15,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:15,855 INFO L82 PathProgramCache]: Analyzing trace with hash 341170076, now seen corresponding path program 1 times [2019-10-15 03:05:15,865 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:15,866 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924197827] [2019-10-15 03:05:15,866 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:15,866 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:15,866 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:16,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:16,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:05:16,195 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924197827] [2019-10-15 03:05:16,196 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:16,197 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:05:16,197 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292658955] [2019-10-15 03:05:16,202 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:05:16,203 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:16,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:05:16,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:05:16,223 INFO L87 Difference]: Start difference. First operand 235 states. Second operand 3 states. [2019-10-15 03:05:16,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:16,380 INFO L93 Difference]: Finished difference Result 401 states and 583 transitions. [2019-10-15 03:05:16,381 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:05:16,383 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2019-10-15 03:05:16,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:16,411 INFO L225 Difference]: With dead ends: 401 [2019-10-15 03:05:16,411 INFO L226 Difference]: Without dead ends: 229 [2019-10-15 03:05:16,424 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:05:16,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2019-10-15 03:05:16,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 229. [2019-10-15 03:05:16,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229 states. [2019-10-15 03:05:16,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 300 transitions. [2019-10-15 03:05:16,525 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 300 transitions. Word has length 18 [2019-10-15 03:05:16,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:16,526 INFO L462 AbstractCegarLoop]: Abstraction has 229 states and 300 transitions. [2019-10-15 03:05:16,526 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:05:16,526 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 300 transitions. [2019-10-15 03:05:16,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-15 03:05:16,528 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:16,528 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:05:16,529 INFO L410 AbstractCegarLoop]: === Iteration 2 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:16,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:16,530 INFO L82 PathProgramCache]: Analyzing trace with hash -176295608, now seen corresponding path program 1 times [2019-10-15 03:05:16,530 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:16,531 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395218129] [2019-10-15 03:05:16,531 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:16,531 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:16,531 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:16,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:16,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:05:16,724 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395218129] [2019-10-15 03:05:16,724 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:16,725 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:05:16,725 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998860167] [2019-10-15 03:05:16,726 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:05:16,727 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:16,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:05:16,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:05:16,728 INFO L87 Difference]: Start difference. First operand 229 states and 300 transitions. Second operand 3 states. [2019-10-15 03:05:17,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:17,003 INFO L93 Difference]: Finished difference Result 420 states and 550 transitions. [2019-10-15 03:05:17,004 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:05:17,004 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2019-10-15 03:05:17,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:17,010 INFO L225 Difference]: With dead ends: 420 [2019-10-15 03:05:17,012 INFO L226 Difference]: Without dead ends: 294 [2019-10-15 03:05:17,015 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 [2019-10-15 03:05:17,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2019-10-15 03:05:17,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 291. [2019-10-15 03:05:17,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 291 states. [2019-10-15 03:05:17,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 376 transitions. [2019-10-15 03:05:17,090 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 376 transitions. Word has length 22 [2019-10-15 03:05:17,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:17,091 INFO L462 AbstractCegarLoop]: Abstraction has 291 states and 376 transitions. [2019-10-15 03:05:17,091 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:05:17,091 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 376 transitions. [2019-10-15 03:05:17,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-15 03:05:17,093 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:17,093 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] [2019-10-15 03:05:17,094 INFO L410 AbstractCegarLoop]: === Iteration 3 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:17,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:17,095 INFO L82 PathProgramCache]: Analyzing trace with hash -1936513098, now seen corresponding path program 1 times [2019-10-15 03:05:17,095 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:17,096 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167521717] [2019-10-15 03:05:17,096 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:17,096 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:17,096 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:17,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:17,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:05:17,298 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167521717] [2019-10-15 03:05:17,298 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:17,299 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:05:17,299 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797713947] [2019-10-15 03:05:17,300 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:05:17,300 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:17,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:05:17,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:05:17,301 INFO L87 Difference]: Start difference. First operand 291 states and 376 transitions. Second operand 3 states. [2019-10-15 03:05:17,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:17,385 INFO L93 Difference]: Finished difference Result 611 states and 795 transitions. [2019-10-15 03:05:17,385 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:05:17,386 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-10-15 03:05:17,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:17,391 INFO L225 Difference]: With dead ends: 611 [2019-10-15 03:05:17,391 INFO L226 Difference]: Without dead ends: 447 [2019-10-15 03:05:17,392 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 [2019-10-15 03:05:17,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2019-10-15 03:05:17,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 417. [2019-10-15 03:05:17,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 417 states. [2019-10-15 03:05:17,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 545 transitions. [2019-10-15 03:05:17,424 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 545 transitions. Word has length 24 [2019-10-15 03:05:17,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:17,424 INFO L462 AbstractCegarLoop]: Abstraction has 417 states and 545 transitions. [2019-10-15 03:05:17,424 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:05:17,425 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 545 transitions. [2019-10-15 03:05:17,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-10-15 03:05:17,426 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:17,427 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] [2019-10-15 03:05:17,427 INFO L410 AbstractCegarLoop]: === Iteration 4 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:17,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:17,427 INFO L82 PathProgramCache]: Analyzing trace with hash 197585748, now seen corresponding path program 1 times [2019-10-15 03:05:17,428 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:17,428 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313972096] [2019-10-15 03:05:17,428 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:17,428 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:17,429 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:17,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:17,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:05:17,486 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313972096] [2019-10-15 03:05:17,486 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:17,487 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:05:17,487 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629025209] [2019-10-15 03:05:17,487 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:05:17,488 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:17,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:05:17,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:05:17,488 INFO L87 Difference]: Start difference. First operand 417 states and 545 transitions. Second operand 3 states. [2019-10-15 03:05:17,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:17,537 INFO L93 Difference]: Finished difference Result 488 states and 635 transitions. [2019-10-15 03:05:17,538 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:05:17,538 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2019-10-15 03:05:17,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:17,542 INFO L225 Difference]: With dead ends: 488 [2019-10-15 03:05:17,542 INFO L226 Difference]: Without dead ends: 468 [2019-10-15 03:05:17,543 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 [2019-10-15 03:05:17,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 468 states. [2019-10-15 03:05:17,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 468 to 458. [2019-10-15 03:05:17,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 458 states. [2019-10-15 03:05:17,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 596 transitions. [2019-10-15 03:05:17,575 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 596 transitions. Word has length 28 [2019-10-15 03:05:17,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:17,576 INFO L462 AbstractCegarLoop]: Abstraction has 458 states and 596 transitions. [2019-10-15 03:05:17,576 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:05:17,576 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 596 transitions. [2019-10-15 03:05:17,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-10-15 03:05:17,578 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:17,579 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] [2019-10-15 03:05:17,579 INFO L410 AbstractCegarLoop]: === Iteration 5 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:17,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:17,579 INFO L82 PathProgramCache]: Analyzing trace with hash -882409608, now seen corresponding path program 1 times [2019-10-15 03:05:17,580 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:17,580 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605656313] [2019-10-15 03:05:17,580 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:17,580 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:17,580 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:17,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:17,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:05:17,659 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605656313] [2019-10-15 03:05:17,660 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:17,660 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:05:17,660 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208832303] [2019-10-15 03:05:17,661 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:05:17,661 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:17,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:05:17,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:05:17,662 INFO L87 Difference]: Start difference. First operand 458 states and 596 transitions. Second operand 3 states. [2019-10-15 03:05:17,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:17,780 INFO L93 Difference]: Finished difference Result 467 states and 607 transitions. [2019-10-15 03:05:17,781 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:05:17,782 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2019-10-15 03:05:17,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:17,789 INFO L225 Difference]: With dead ends: 467 [2019-10-15 03:05:17,789 INFO L226 Difference]: Without dead ends: 464 [2019-10-15 03:05:17,790 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:05:17,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2019-10-15 03:05:17,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 464. [2019-10-15 03:05:17,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 464 states. [2019-10-15 03:05:17,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 603 transitions. [2019-10-15 03:05:17,834 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 603 transitions. Word has length 32 [2019-10-15 03:05:17,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:17,834 INFO L462 AbstractCegarLoop]: Abstraction has 464 states and 603 transitions. [2019-10-15 03:05:17,834 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:05:17,835 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 603 transitions. [2019-10-15 03:05:17,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-10-15 03:05:17,843 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:17,844 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] [2019-10-15 03:05:17,845 INFO L410 AbstractCegarLoop]: === Iteration 6 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:17,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:17,845 INFO L82 PathProgramCache]: Analyzing trace with hash -1304756624, now seen corresponding path program 1 times [2019-10-15 03:05:17,845 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:17,846 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469655084] [2019-10-15 03:05:17,846 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:17,846 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:17,846 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:17,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:17,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:05:17,899 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469655084] [2019-10-15 03:05:17,899 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:17,900 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:05:17,900 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928212566] [2019-10-15 03:05:17,900 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:05:17,900 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:17,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:05:17,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:05:17,901 INFO L87 Difference]: Start difference. First operand 464 states and 603 transitions. Second operand 3 states. [2019-10-15 03:05:18,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:18,106 INFO L93 Difference]: Finished difference Result 615 states and 813 transitions. [2019-10-15 03:05:18,106 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:05:18,107 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2019-10-15 03:05:18,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:18,112 INFO L225 Difference]: With dead ends: 615 [2019-10-15 03:05:18,112 INFO L226 Difference]: Without dead ends: 612 [2019-10-15 03:05:18,113 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:05:18,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 612 states. [2019-10-15 03:05:18,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 612 to 510. [2019-10-15 03:05:18,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 510 states. [2019-10-15 03:05:18,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 510 states and 667 transitions. [2019-10-15 03:05:18,156 INFO L78 Accepts]: Start accepts. Automaton has 510 states and 667 transitions. Word has length 35 [2019-10-15 03:05:18,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:18,157 INFO L462 AbstractCegarLoop]: Abstraction has 510 states and 667 transitions. [2019-10-15 03:05:18,157 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:05:18,157 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 667 transitions. [2019-10-15 03:05:18,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-10-15 03:05:18,158 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:18,159 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] [2019-10-15 03:05:18,159 INFO L410 AbstractCegarLoop]: === Iteration 7 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:18,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:18,159 INFO L82 PathProgramCache]: Analyzing trace with hash -1529847698, now seen corresponding path program 1 times [2019-10-15 03:05:18,160 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:18,160 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133117188] [2019-10-15 03:05:18,160 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:18,160 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:18,160 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:18,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:18,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:05:18,208 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133117188] [2019-10-15 03:05:18,209 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:18,209 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:05:18,209 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716700628] [2019-10-15 03:05:18,210 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:05:18,210 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:18,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:05:18,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:05:18,211 INFO L87 Difference]: Start difference. First operand 510 states and 667 transitions. Second operand 3 states. [2019-10-15 03:05:18,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:18,401 INFO L93 Difference]: Finished difference Result 546 states and 711 transitions. [2019-10-15 03:05:18,402 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:05:18,402 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2019-10-15 03:05:18,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:18,407 INFO L225 Difference]: With dead ends: 546 [2019-10-15 03:05:18,407 INFO L226 Difference]: Without dead ends: 541 [2019-10-15 03:05:18,427 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:05:18,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 541 states. [2019-10-15 03:05:18,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 541 to 537. [2019-10-15 03:05:18,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 537 states. [2019-10-15 03:05:18,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 701 transitions. [2019-10-15 03:05:18,456 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 701 transitions. Word has length 35 [2019-10-15 03:05:18,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:18,456 INFO L462 AbstractCegarLoop]: Abstraction has 537 states and 701 transitions. [2019-10-15 03:05:18,457 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:05:18,457 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 701 transitions. [2019-10-15 03:05:18,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-10-15 03:05:18,458 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:18,459 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] [2019-10-15 03:05:18,459 INFO L410 AbstractCegarLoop]: === Iteration 8 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:18,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:18,459 INFO L82 PathProgramCache]: Analyzing trace with hash -2030578595, now seen corresponding path program 1 times [2019-10-15 03:05:18,460 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:18,460 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544382482] [2019-10-15 03:05:18,460 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:18,460 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:18,461 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:18,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:18,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:05:18,649 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544382482] [2019-10-15 03:05:18,649 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:18,649 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-15 03:05:18,649 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435669977] [2019-10-15 03:05:18,650 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 03:05:18,650 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:18,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 03:05:18,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-10-15 03:05:18,651 INFO L87 Difference]: Start difference. First operand 537 states and 701 transitions. Second operand 8 states. [2019-10-15 03:05:19,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:19,655 INFO L93 Difference]: Finished difference Result 714 states and 933 transitions. [2019-10-15 03:05:19,656 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 03:05:19,656 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 36 [2019-10-15 03:05:19,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:19,660 INFO L225 Difference]: With dead ends: 714 [2019-10-15 03:05:19,660 INFO L226 Difference]: Without dead ends: 636 [2019-10-15 03:05:19,661 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-10-15 03:05:19,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2019-10-15 03:05:19,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 531. [2019-10-15 03:05:19,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 531 states. [2019-10-15 03:05:19,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 531 states and 687 transitions. [2019-10-15 03:05:19,694 INFO L78 Accepts]: Start accepts. Automaton has 531 states and 687 transitions. Word has length 36 [2019-10-15 03:05:19,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:19,694 INFO L462 AbstractCegarLoop]: Abstraction has 531 states and 687 transitions. [2019-10-15 03:05:19,694 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 03:05:19,695 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 687 transitions. [2019-10-15 03:05:19,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-10-15 03:05:19,696 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:19,696 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] [2019-10-15 03:05:19,696 INFO L410 AbstractCegarLoop]: === Iteration 9 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:19,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:19,697 INFO L82 PathProgramCache]: Analyzing trace with hash 272196428, now seen corresponding path program 1 times [2019-10-15 03:05:19,697 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:19,697 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606986992] [2019-10-15 03:05:19,698 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:19,698 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:19,698 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:19,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:19,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:05:19,787 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606986992] [2019-10-15 03:05:19,787 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:19,787 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-15 03:05:19,787 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337473994] [2019-10-15 03:05:19,788 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 03:05:19,788 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:19,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 03:05:19,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-15 03:05:19,789 INFO L87 Difference]: Start difference. First operand 531 states and 687 transitions. Second operand 8 states. [2019-10-15 03:05:20,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:20,671 INFO L93 Difference]: Finished difference Result 558 states and 715 transitions. [2019-10-15 03:05:20,672 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 03:05:20,672 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 36 [2019-10-15 03:05:20,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:20,678 INFO L225 Difference]: With dead ends: 558 [2019-10-15 03:05:20,678 INFO L226 Difference]: Without dead ends: 549 [2019-10-15 03:05:20,679 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2019-10-15 03:05:20,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2019-10-15 03:05:20,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 531. [2019-10-15 03:05:20,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 531 states. [2019-10-15 03:05:20,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 531 states and 685 transitions. [2019-10-15 03:05:20,722 INFO L78 Accepts]: Start accepts. Automaton has 531 states and 685 transitions. Word has length 36 [2019-10-15 03:05:20,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:20,725 INFO L462 AbstractCegarLoop]: Abstraction has 531 states and 685 transitions. [2019-10-15 03:05:20,725 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 03:05:20,726 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 685 transitions. [2019-10-15 03:05:20,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-10-15 03:05:20,728 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:20,728 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:05:20,728 INFO L410 AbstractCegarLoop]: === Iteration 10 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:20,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:20,729 INFO L82 PathProgramCache]: Analyzing trace with hash -1040864102, now seen corresponding path program 1 times [2019-10-15 03:05:20,729 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:20,729 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794222447] [2019-10-15 03:05:20,729 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:20,730 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:20,730 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:20,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:20,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:05:20,855 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794222447] [2019-10-15 03:05:20,856 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:20,856 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-15 03:05:20,856 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517095305] [2019-10-15 03:05:20,857 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 03:05:20,857 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:20,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 03:05:20,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-15 03:05:20,858 INFO L87 Difference]: Start difference. First operand 531 states and 685 transitions. Second operand 8 states. [2019-10-15 03:05:21,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:21,570 INFO L93 Difference]: Finished difference Result 558 states and 712 transitions. [2019-10-15 03:05:21,571 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 03:05:21,571 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 37 [2019-10-15 03:05:21,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:21,576 INFO L225 Difference]: With dead ends: 558 [2019-10-15 03:05:21,576 INFO L226 Difference]: Without dead ends: 549 [2019-10-15 03:05:21,580 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 [2019-10-15 03:05:21,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2019-10-15 03:05:21,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 531. [2019-10-15 03:05:21,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 531 states. [2019-10-15 03:05:21,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 531 states and 683 transitions. [2019-10-15 03:05:21,622 INFO L78 Accepts]: Start accepts. Automaton has 531 states and 683 transitions. Word has length 37 [2019-10-15 03:05:21,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:21,622 INFO L462 AbstractCegarLoop]: Abstraction has 531 states and 683 transitions. [2019-10-15 03:05:21,622 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 03:05:21,623 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 683 transitions. [2019-10-15 03:05:21,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-10-15 03:05:21,624 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:21,624 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] [2019-10-15 03:05:21,624 INFO L410 AbstractCegarLoop]: === Iteration 11 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:21,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:21,625 INFO L82 PathProgramCache]: Analyzing trace with hash -2146867531, now seen corresponding path program 1 times [2019-10-15 03:05:21,625 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:21,625 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243942342] [2019-10-15 03:05:21,626 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:21,626 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:21,626 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:21,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:21,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:05:21,702 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243942342] [2019-10-15 03:05:21,703 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:21,703 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 03:05:21,703 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703144425] [2019-10-15 03:05:21,703 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 03:05:21,704 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:21,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 03:05:21,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 03:05:21,706 INFO L87 Difference]: Start difference. First operand 531 states and 683 transitions. Second operand 5 states. [2019-10-15 03:05:21,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:21,752 INFO L93 Difference]: Finished difference Result 547 states and 698 transitions. [2019-10-15 03:05:21,753 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-15 03:05:21,753 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 38 [2019-10-15 03:05:21,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:21,756 INFO L225 Difference]: With dead ends: 547 [2019-10-15 03:05:21,757 INFO L226 Difference]: Without dead ends: 529 [2019-10-15 03:05:21,758 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 03:05:21,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2019-10-15 03:05:21,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 529. [2019-10-15 03:05:21,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 529 states. [2019-10-15 03:05:21,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 679 transitions. [2019-10-15 03:05:21,794 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 679 transitions. Word has length 38 [2019-10-15 03:05:21,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:21,795 INFO L462 AbstractCegarLoop]: Abstraction has 529 states and 679 transitions. [2019-10-15 03:05:21,795 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 03:05:21,795 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 679 transitions. [2019-10-15 03:05:21,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-10-15 03:05:21,797 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:21,797 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:05:21,798 INFO L410 AbstractCegarLoop]: === Iteration 12 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:21,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:21,798 INFO L82 PathProgramCache]: Analyzing trace with hash -1819753037, now seen corresponding path program 1 times [2019-10-15 03:05:21,798 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:21,798 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055702562] [2019-10-15 03:05:21,799 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:21,799 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:21,799 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:21,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:21,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:05:21,858 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055702562] [2019-10-15 03:05:21,858 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:21,858 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 03:05:21,858 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573932543] [2019-10-15 03:05:21,859 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 03:05:21,859 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:21,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 03:05:21,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 03:05:21,860 INFO L87 Difference]: Start difference. First operand 529 states and 679 transitions. Second operand 4 states. [2019-10-15 03:05:22,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:22,128 INFO L93 Difference]: Finished difference Result 579 states and 723 transitions. [2019-10-15 03:05:22,128 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-15 03:05:22,129 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 40 [2019-10-15 03:05:22,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:22,131 INFO L225 Difference]: With dead ends: 579 [2019-10-15 03:05:22,131 INFO L226 Difference]: Without dead ends: 390 [2019-10-15 03:05:22,133 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 03:05:22,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2019-10-15 03:05:22,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 371. [2019-10-15 03:05:22,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 371 states. [2019-10-15 03:05:22,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 455 transitions. [2019-10-15 03:05:22,158 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 455 transitions. Word has length 40 [2019-10-15 03:05:22,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:22,158 INFO L462 AbstractCegarLoop]: Abstraction has 371 states and 455 transitions. [2019-10-15 03:05:22,158 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 03:05:22,158 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 455 transitions. [2019-10-15 03:05:22,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-10-15 03:05:22,161 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:22,161 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:05:22,161 INFO L410 AbstractCegarLoop]: === Iteration 13 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:22,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:22,162 INFO L82 PathProgramCache]: Analyzing trace with hash 1158018826, now seen corresponding path program 1 times [2019-10-15 03:05:22,162 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:22,162 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112987298] [2019-10-15 03:05:22,162 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:22,163 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:22,163 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:22,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:22,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:05:22,223 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112987298] [2019-10-15 03:05:22,223 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:22,223 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:05:22,223 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660447850] [2019-10-15 03:05:22,224 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:05:22,224 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:22,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:05:22,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:05:22,224 INFO L87 Difference]: Start difference. First operand 371 states and 455 transitions. Second operand 3 states. [2019-10-15 03:05:22,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:22,362 INFO L93 Difference]: Finished difference Result 552 states and 687 transitions. [2019-10-15 03:05:22,363 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:05:22,363 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2019-10-15 03:05:22,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:22,366 INFO L225 Difference]: With dead ends: 552 [2019-10-15 03:05:22,366 INFO L226 Difference]: Without dead ends: 374 [2019-10-15 03:05:22,368 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:05:22,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2019-10-15 03:05:22,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 374. [2019-10-15 03:05:22,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 374 states. [2019-10-15 03:05:22,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 459 transitions. [2019-10-15 03:05:22,416 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 459 transitions. Word has length 45 [2019-10-15 03:05:22,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:22,416 INFO L462 AbstractCegarLoop]: Abstraction has 374 states and 459 transitions. [2019-10-15 03:05:22,416 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:05:22,416 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 459 transitions. [2019-10-15 03:05:22,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-10-15 03:05:22,418 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:22,418 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] [2019-10-15 03:05:22,418 INFO L410 AbstractCegarLoop]: === Iteration 14 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:22,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:22,418 INFO L82 PathProgramCache]: Analyzing trace with hash -1564390830, now seen corresponding path program 1 times [2019-10-15 03:05:22,419 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:22,419 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88450225] [2019-10-15 03:05:22,419 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:22,419 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:22,419 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:22,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:22,662 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 16 [2019-10-15 03:05:22,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:05:22,666 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88450225] [2019-10-15 03:05:22,666 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:22,666 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 03:05:22,666 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660780370] [2019-10-15 03:05:22,667 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 03:05:22,667 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:22,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 03:05:22,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 03:05:22,667 INFO L87 Difference]: Start difference. First operand 374 states and 459 transitions. Second operand 5 states. [2019-10-15 03:05:22,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:22,702 INFO L93 Difference]: Finished difference Result 548 states and 680 transitions. [2019-10-15 03:05:22,703 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-15 03:05:22,703 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 50 [2019-10-15 03:05:22,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:22,706 INFO L225 Difference]: With dead ends: 548 [2019-10-15 03:05:22,706 INFO L226 Difference]: Without dead ends: 367 [2019-10-15 03:05:22,707 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 03:05:22,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2019-10-15 03:05:22,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 367. [2019-10-15 03:05:22,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 367 states. [2019-10-15 03:05:22,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 447 transitions. [2019-10-15 03:05:22,733 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 447 transitions. Word has length 50 [2019-10-15 03:05:22,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:22,733 INFO L462 AbstractCegarLoop]: Abstraction has 367 states and 447 transitions. [2019-10-15 03:05:22,733 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 03:05:22,734 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 447 transitions. [2019-10-15 03:05:22,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-15 03:05:22,735 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:22,735 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:05:22,735 INFO L410 AbstractCegarLoop]: === Iteration 15 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:22,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:22,736 INFO L82 PathProgramCache]: Analyzing trace with hash -1370030580, now seen corresponding path program 1 times [2019-10-15 03:05:22,736 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:22,736 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896990865] [2019-10-15 03:05:22,736 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:22,737 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:22,737 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:22,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:22,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:05:22,789 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896990865] [2019-10-15 03:05:22,789 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:22,789 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:05:22,790 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297386621] [2019-10-15 03:05:22,790 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:05:22,791 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:22,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:05:22,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:05:22,792 INFO L87 Difference]: Start difference. First operand 367 states and 447 transitions. Second operand 3 states. [2019-10-15 03:05:22,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:22,912 INFO L93 Difference]: Finished difference Result 518 states and 649 transitions. [2019-10-15 03:05:22,912 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:05:22,913 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2019-10-15 03:05:22,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:22,916 INFO L225 Difference]: With dead ends: 518 [2019-10-15 03:05:22,916 INFO L226 Difference]: Without dead ends: 506 [2019-10-15 03:05:22,918 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:05:22,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 506 states. [2019-10-15 03:05:22,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 506 to 411. [2019-10-15 03:05:22,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 411 states. [2019-10-15 03:05:22,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 502 transitions. [2019-10-15 03:05:22,962 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 502 transitions. Word has length 43 [2019-10-15 03:05:22,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:22,964 INFO L462 AbstractCegarLoop]: Abstraction has 411 states and 502 transitions. [2019-10-15 03:05:22,964 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:05:22,964 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 502 transitions. [2019-10-15 03:05:22,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-10-15 03:05:22,966 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:22,967 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:05:22,967 INFO L410 AbstractCegarLoop]: === Iteration 16 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:22,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:22,968 INFO L82 PathProgramCache]: Analyzing trace with hash 931559790, now seen corresponding path program 1 times [2019-10-15 03:05:22,968 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:22,971 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541930150] [2019-10-15 03:05:22,971 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:22,971 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:22,971 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:23,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:23,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:05:23,167 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541930150] [2019-10-15 03:05:23,167 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:23,169 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-15 03:05:23,170 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265843737] [2019-10-15 03:05:23,170 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-15 03:05:23,171 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:23,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-15 03:05:23,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-10-15 03:05:23,171 INFO L87 Difference]: Start difference. First operand 411 states and 502 transitions. Second operand 10 states. [2019-10-15 03:05:25,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:25,189 INFO L93 Difference]: Finished difference Result 464 states and 563 transitions. [2019-10-15 03:05:25,189 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-10-15 03:05:25,190 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 44 [2019-10-15 03:05:25,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:25,193 INFO L225 Difference]: With dead ends: 464 [2019-10-15 03:05:25,193 INFO L226 Difference]: Without dead ends: 460 [2019-10-15 03:05:25,194 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2019-10-15 03:05:25,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2019-10-15 03:05:25,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 454. [2019-10-15 03:05:25,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 454 states. [2019-10-15 03:05:25,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 554 transitions. [2019-10-15 03:05:25,225 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 554 transitions. Word has length 44 [2019-10-15 03:05:25,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:25,225 INFO L462 AbstractCegarLoop]: Abstraction has 454 states and 554 transitions. [2019-10-15 03:05:25,225 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-15 03:05:25,225 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 554 transitions. [2019-10-15 03:05:25,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-10-15 03:05:25,227 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:25,227 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:05:25,227 INFO L410 AbstractCegarLoop]: === Iteration 17 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:25,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:25,228 INFO L82 PathProgramCache]: Analyzing trace with hash 931836620, now seen corresponding path program 1 times [2019-10-15 03:05:25,228 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:25,228 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469080681] [2019-10-15 03:05:25,228 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:25,229 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:25,229 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:25,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:25,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:05:25,342 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469080681] [2019-10-15 03:05:25,342 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:25,343 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-15 03:05:25,343 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044376067] [2019-10-15 03:05:25,343 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-15 03:05:25,343 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:25,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-15 03:05:25,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-10-15 03:05:25,345 INFO L87 Difference]: Start difference. First operand 454 states and 554 transitions. Second operand 10 states. [2019-10-15 03:05:26,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:26,989 INFO L93 Difference]: Finished difference Result 469 states and 568 transitions. [2019-10-15 03:05:26,989 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-10-15 03:05:26,990 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 44 [2019-10-15 03:05:26,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:26,997 INFO L225 Difference]: With dead ends: 469 [2019-10-15 03:05:26,998 INFO L226 Difference]: Without dead ends: 460 [2019-10-15 03:05:26,999 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2019-10-15 03:05:27,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2019-10-15 03:05:27,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 454. [2019-10-15 03:05:27,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 454 states. [2019-10-15 03:05:27,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 552 transitions. [2019-10-15 03:05:27,036 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 552 transitions. Word has length 44 [2019-10-15 03:05:27,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:27,037 INFO L462 AbstractCegarLoop]: Abstraction has 454 states and 552 transitions. [2019-10-15 03:05:27,037 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-15 03:05:27,037 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 552 transitions. [2019-10-15 03:05:27,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-10-15 03:05:27,039 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:27,039 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:05:27,039 INFO L410 AbstractCegarLoop]: === Iteration 18 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:27,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:27,040 INFO L82 PathProgramCache]: Analyzing trace with hash -1083435282, now seen corresponding path program 1 times [2019-10-15 03:05:27,040 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:27,040 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496937728] [2019-10-15 03:05:27,041 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:27,041 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:27,041 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:27,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:27,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:05:27,144 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496937728] [2019-10-15 03:05:27,144 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:27,144 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 03:05:27,144 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815991853] [2019-10-15 03:05:27,145 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 03:05:27,145 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:27,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 03:05:27,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-15 03:05:27,145 INFO L87 Difference]: Start difference. First operand 454 states and 552 transitions. Second operand 7 states. [2019-10-15 03:05:27,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:27,827 INFO L93 Difference]: Finished difference Result 515 states and 632 transitions. [2019-10-15 03:05:27,827 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-15 03:05:27,828 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 44 [2019-10-15 03:05:27,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:27,830 INFO L225 Difference]: With dead ends: 515 [2019-10-15 03:05:27,831 INFO L226 Difference]: Without dead ends: 454 [2019-10-15 03:05:27,832 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2019-10-15 03:05:27,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2019-10-15 03:05:27,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 454. [2019-10-15 03:05:27,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 454 states. [2019-10-15 03:05:27,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 550 transitions. [2019-10-15 03:05:27,868 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 550 transitions. Word has length 44 [2019-10-15 03:05:27,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:27,868 INFO L462 AbstractCegarLoop]: Abstraction has 454 states and 550 transitions. [2019-10-15 03:05:27,868 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 03:05:27,868 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 550 transitions. [2019-10-15 03:05:27,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-10-15 03:05:27,869 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:27,870 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] [2019-10-15 03:05:27,870 INFO L410 AbstractCegarLoop]: === Iteration 19 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:27,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:27,870 INFO L82 PathProgramCache]: Analyzing trace with hash -2075159530, now seen corresponding path program 1 times [2019-10-15 03:05:27,871 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:27,871 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229288268] [2019-10-15 03:05:27,871 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:27,871 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:27,871 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:27,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:27,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:05:27,973 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229288268] [2019-10-15 03:05:27,974 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:27,974 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-15 03:05:27,974 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534195078] [2019-10-15 03:05:27,975 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-15 03:05:27,975 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:27,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-15 03:05:27,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2019-10-15 03:05:27,976 INFO L87 Difference]: Start difference. First operand 454 states and 550 transitions. Second operand 9 states. [2019-10-15 03:05:29,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:29,384 INFO L93 Difference]: Finished difference Result 497 states and 593 transitions. [2019-10-15 03:05:29,384 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-15 03:05:29,384 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 45 [2019-10-15 03:05:29,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:29,388 INFO L225 Difference]: With dead ends: 497 [2019-10-15 03:05:29,388 INFO L226 Difference]: Without dead ends: 444 [2019-10-15 03:05:29,389 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=80, Invalid=262, Unknown=0, NotChecked=0, Total=342 [2019-10-15 03:05:29,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2019-10-15 03:05:29,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 419. [2019-10-15 03:05:29,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2019-10-15 03:05:29,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 503 transitions. [2019-10-15 03:05:29,420 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 503 transitions. Word has length 45 [2019-10-15 03:05:29,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:29,421 INFO L462 AbstractCegarLoop]: Abstraction has 419 states and 503 transitions. [2019-10-15 03:05:29,421 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-15 03:05:29,421 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 503 transitions. [2019-10-15 03:05:29,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-10-15 03:05:29,422 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:29,422 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:05:29,423 INFO L410 AbstractCegarLoop]: === Iteration 20 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:29,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:29,423 INFO L82 PathProgramCache]: Analyzing trace with hash -1297011545, now seen corresponding path program 1 times [2019-10-15 03:05:29,423 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:29,424 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26068597] [2019-10-15 03:05:29,424 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:29,424 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:29,424 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:29,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:29,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:05:29,470 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26068597] [2019-10-15 03:05:29,470 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:29,470 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:05:29,470 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486082716] [2019-10-15 03:05:29,471 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:05:29,471 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:29,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:05:29,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:05:29,472 INFO L87 Difference]: Start difference. First operand 419 states and 503 transitions. Second operand 3 states. [2019-10-15 03:05:29,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:29,548 INFO L93 Difference]: Finished difference Result 444 states and 531 transitions. [2019-10-15 03:05:29,548 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:05:29,548 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2019-10-15 03:05:29,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:29,557 INFO L225 Difference]: With dead ends: 444 [2019-10-15 03:05:29,557 INFO L226 Difference]: Without dead ends: 425 [2019-10-15 03:05:29,558 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:05:29,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2019-10-15 03:05:29,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 414. [2019-10-15 03:05:29,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 414 states. [2019-10-15 03:05:29,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 492 transitions. [2019-10-15 03:05:29,586 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 492 transitions. Word has length 45 [2019-10-15 03:05:29,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:29,587 INFO L462 AbstractCegarLoop]: Abstraction has 414 states and 492 transitions. [2019-10-15 03:05:29,587 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:05:29,587 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 492 transitions. [2019-10-15 03:05:29,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-10-15 03:05:29,588 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:29,588 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] [2019-10-15 03:05:29,588 INFO L410 AbstractCegarLoop]: === Iteration 21 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:29,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:29,589 INFO L82 PathProgramCache]: Analyzing trace with hash -338573109, now seen corresponding path program 1 times [2019-10-15 03:05:29,589 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:29,589 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345755541] [2019-10-15 03:05:29,589 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:29,590 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:29,590 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:29,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:29,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:05:29,647 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345755541] [2019-10-15 03:05:29,648 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:29,648 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 03:05:29,648 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501983331] [2019-10-15 03:05:29,649 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 03:05:29,649 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:29,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 03:05:29,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 03:05:29,649 INFO L87 Difference]: Start difference. First operand 414 states and 492 transitions. Second operand 5 states. [2019-10-15 03:05:30,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:30,009 INFO L93 Difference]: Finished difference Result 592 states and 715 transitions. [2019-10-15 03:05:30,010 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-15 03:05:30,010 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2019-10-15 03:05:30,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:30,013 INFO L225 Difference]: With dead ends: 592 [2019-10-15 03:05:30,013 INFO L226 Difference]: Without dead ends: 414 [2019-10-15 03:05:30,014 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 [2019-10-15 03:05:30,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2019-10-15 03:05:30,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 414. [2019-10-15 03:05:30,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 414 states. [2019-10-15 03:05:30,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 491 transitions. [2019-10-15 03:05:30,050 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 491 transitions. Word has length 54 [2019-10-15 03:05:30,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:30,051 INFO L462 AbstractCegarLoop]: Abstraction has 414 states and 491 transitions. [2019-10-15 03:05:30,051 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 03:05:30,051 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 491 transitions. [2019-10-15 03:05:30,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-15 03:05:30,053 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:30,053 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:05:30,053 INFO L410 AbstractCegarLoop]: === Iteration 22 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:30,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:30,054 INFO L82 PathProgramCache]: Analyzing trace with hash -1099817421, now seen corresponding path program 1 times [2019-10-15 03:05:30,054 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:30,054 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372426562] [2019-10-15 03:05:30,054 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:30,055 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:30,055 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:30,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:30,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:05:30,151 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372426562] [2019-10-15 03:05:30,151 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:30,151 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 03:05:30,152 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751177435] [2019-10-15 03:05:30,152 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 03:05:30,153 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:30,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 03:05:30,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 03:05:30,153 INFO L87 Difference]: Start difference. First operand 414 states and 491 transitions. Second operand 5 states. [2019-10-15 03:05:30,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:30,927 INFO L93 Difference]: Finished difference Result 427 states and 504 transitions. [2019-10-15 03:05:30,929 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-15 03:05:30,930 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 46 [2019-10-15 03:05:30,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:30,932 INFO L225 Difference]: With dead ends: 427 [2019-10-15 03:05:30,932 INFO L226 Difference]: Without dead ends: 423 [2019-10-15 03:05:30,933 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-10-15 03:05:30,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2019-10-15 03:05:30,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 417. [2019-10-15 03:05:30,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 417 states. [2019-10-15 03:05:30,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 495 transitions. [2019-10-15 03:05:30,971 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 495 transitions. Word has length 46 [2019-10-15 03:05:30,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:30,971 INFO L462 AbstractCegarLoop]: Abstraction has 417 states and 495 transitions. [2019-10-15 03:05:30,971 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 03:05:30,971 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 495 transitions. [2019-10-15 03:05:30,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-15 03:05:30,973 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:30,973 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:05:30,973 INFO L410 AbstractCegarLoop]: === Iteration 23 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:30,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:30,974 INFO L82 PathProgramCache]: Analyzing trace with hash -1099540591, now seen corresponding path program 1 times [2019-10-15 03:05:30,974 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:30,974 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959034949] [2019-10-15 03:05:30,974 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:30,974 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:30,975 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:30,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:31,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:05:31,084 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959034949] [2019-10-15 03:05:31,084 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:31,084 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-15 03:05:31,084 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579820173] [2019-10-15 03:05:31,085 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 03:05:31,085 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:31,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 03:05:31,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-15 03:05:31,085 INFO L87 Difference]: Start difference. First operand 417 states and 495 transitions. Second operand 8 states. [2019-10-15 03:05:31,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:31,344 INFO L93 Difference]: Finished difference Result 431 states and 508 transitions. [2019-10-15 03:05:31,345 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 03:05:31,345 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 46 [2019-10-15 03:05:31,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:31,348 INFO L225 Difference]: With dead ends: 431 [2019-10-15 03:05:31,348 INFO L226 Difference]: Without dead ends: 413 [2019-10-15 03:05:31,348 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-10-15 03:05:31,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2019-10-15 03:05:31,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 413. [2019-10-15 03:05:31,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 413 states. [2019-10-15 03:05:31,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 489 transitions. [2019-10-15 03:05:31,378 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 489 transitions. Word has length 46 [2019-10-15 03:05:31,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:31,379 INFO L462 AbstractCegarLoop]: Abstraction has 413 states and 489 transitions. [2019-10-15 03:05:31,379 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 03:05:31,379 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 489 transitions. [2019-10-15 03:05:31,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-10-15 03:05:31,380 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:31,380 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] [2019-10-15 03:05:31,380 INFO L410 AbstractCegarLoop]: === Iteration 24 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:31,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:31,381 INFO L82 PathProgramCache]: Analyzing trace with hash 1008336929, now seen corresponding path program 1 times [2019-10-15 03:05:31,381 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:31,381 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816948578] [2019-10-15 03:05:31,381 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:31,382 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:31,382 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:31,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:31,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:05:31,623 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816948578] [2019-10-15 03:05:31,623 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:31,623 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 03:05:31,624 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377070207] [2019-10-15 03:05:31,624 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 03:05:31,624 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:31,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 03:05:31,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-15 03:05:31,625 INFO L87 Difference]: Start difference. First operand 413 states and 489 transitions. Second operand 7 states. [2019-10-15 03:05:32,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:32,114 INFO L93 Difference]: Finished difference Result 420 states and 497 transitions. [2019-10-15 03:05:32,114 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 03:05:32,114 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 55 [2019-10-15 03:05:32,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:32,117 INFO L225 Difference]: With dead ends: 420 [2019-10-15 03:05:32,117 INFO L226 Difference]: Without dead ends: 417 [2019-10-15 03:05:32,120 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-10-15 03:05:32,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2019-10-15 03:05:32,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 413. [2019-10-15 03:05:32,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 413 states. [2019-10-15 03:05:32,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 489 transitions. [2019-10-15 03:05:32,156 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 489 transitions. Word has length 55 [2019-10-15 03:05:32,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:32,157 INFO L462 AbstractCegarLoop]: Abstraction has 413 states and 489 transitions. [2019-10-15 03:05:32,157 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 03:05:32,157 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 489 transitions. [2019-10-15 03:05:32,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-10-15 03:05:32,159 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:32,159 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] [2019-10-15 03:05:32,159 INFO L410 AbstractCegarLoop]: === Iteration 25 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:32,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:32,160 INFO L82 PathProgramCache]: Analyzing trace with hash -45534815, now seen corresponding path program 1 times [2019-10-15 03:05:32,160 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:32,160 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425146485] [2019-10-15 03:05:32,160 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:32,160 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:32,160 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:32,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:32,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:05:32,239 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425146485] [2019-10-15 03:05:32,239 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:32,239 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 03:05:32,239 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454827161] [2019-10-15 03:05:32,240 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 03:05:32,240 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:32,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 03:05:32,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 03:05:32,240 INFO L87 Difference]: Start difference. First operand 413 states and 489 transitions. Second operand 6 states. [2019-10-15 03:05:32,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:32,314 INFO L93 Difference]: Finished difference Result 432 states and 507 transitions. [2019-10-15 03:05:32,315 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 03:05:32,315 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 49 [2019-10-15 03:05:32,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:32,318 INFO L225 Difference]: With dead ends: 432 [2019-10-15 03:05:32,318 INFO L226 Difference]: Without dead ends: 410 [2019-10-15 03:05:32,319 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 [2019-10-15 03:05:32,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2019-10-15 03:05:32,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 408. [2019-10-15 03:05:32,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 408 states. [2019-10-15 03:05:32,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 482 transitions. [2019-10-15 03:05:32,354 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 482 transitions. Word has length 49 [2019-10-15 03:05:32,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:32,354 INFO L462 AbstractCegarLoop]: Abstraction has 408 states and 482 transitions. [2019-10-15 03:05:32,354 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 03:05:32,355 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 482 transitions. [2019-10-15 03:05:32,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-15 03:05:32,356 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:32,357 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] [2019-10-15 03:05:32,357 INFO L410 AbstractCegarLoop]: === Iteration 26 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:32,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:32,357 INFO L82 PathProgramCache]: Analyzing trace with hash 1093912183, now seen corresponding path program 1 times [2019-10-15 03:05:32,358 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:32,358 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245592807] [2019-10-15 03:05:32,358 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:32,358 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:32,359 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:32,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:32,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:05:32,409 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245592807] [2019-10-15 03:05:32,410 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:32,410 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:05:32,410 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572382392] [2019-10-15 03:05:32,411 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:05:32,411 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:32,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:05:32,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:05:32,411 INFO L87 Difference]: Start difference. First operand 408 states and 482 transitions. Second operand 3 states. [2019-10-15 03:05:32,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:32,495 INFO L93 Difference]: Finished difference Result 657 states and 788 transitions. [2019-10-15 03:05:32,495 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:05:32,496 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2019-10-15 03:05:32,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:32,498 INFO L225 Difference]: With dead ends: 657 [2019-10-15 03:05:32,498 INFO L226 Difference]: Without dead ends: 485 [2019-10-15 03:05:32,499 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:05:32,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2019-10-15 03:05:32,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 458. [2019-10-15 03:05:32,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 458 states. [2019-10-15 03:05:32,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 544 transitions. [2019-10-15 03:05:32,535 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 544 transitions. Word has length 57 [2019-10-15 03:05:32,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:32,535 INFO L462 AbstractCegarLoop]: Abstraction has 458 states and 544 transitions. [2019-10-15 03:05:32,535 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:05:32,535 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 544 transitions. [2019-10-15 03:05:32,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-10-15 03:05:32,537 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:32,537 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] [2019-10-15 03:05:32,537 INFO L410 AbstractCegarLoop]: === Iteration 27 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:32,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:32,538 INFO L82 PathProgramCache]: Analyzing trace with hash -1654781240, now seen corresponding path program 1 times [2019-10-15 03:05:32,538 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:32,538 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516233009] [2019-10-15 03:05:32,538 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:32,538 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:32,538 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:32,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:32,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:05:32,709 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516233009] [2019-10-15 03:05:32,710 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:32,710 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-15 03:05:32,710 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125648856] [2019-10-15 03:05:32,711 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-15 03:05:32,711 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:32,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-15 03:05:32,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-15 03:05:32,712 INFO L87 Difference]: Start difference. First operand 458 states and 544 transitions. Second operand 9 states. [2019-10-15 03:05:33,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:33,002 INFO L93 Difference]: Finished difference Result 473 states and 558 transitions. [2019-10-15 03:05:33,002 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-15 03:05:33,002 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 49 [2019-10-15 03:05:33,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:33,008 INFO L225 Difference]: With dead ends: 473 [2019-10-15 03:05:33,008 INFO L226 Difference]: Without dead ends: 454 [2019-10-15 03:05:33,009 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2019-10-15 03:05:33,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2019-10-15 03:05:33,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 454. [2019-10-15 03:05:33,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 454 states. [2019-10-15 03:05:33,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 538 transitions. [2019-10-15 03:05:33,050 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 538 transitions. Word has length 49 [2019-10-15 03:05:33,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:33,050 INFO L462 AbstractCegarLoop]: Abstraction has 454 states and 538 transitions. [2019-10-15 03:05:33,050 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-15 03:05:33,050 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 538 transitions. [2019-10-15 03:05:33,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-10-15 03:05:33,052 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:33,052 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] [2019-10-15 03:05:33,052 INFO L410 AbstractCegarLoop]: === Iteration 28 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:33,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:33,052 INFO L82 PathProgramCache]: Analyzing trace with hash 773518056, now seen corresponding path program 1 times [2019-10-15 03:05:33,053 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:33,053 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486392698] [2019-10-15 03:05:33,054 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:33,054 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:33,054 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:33,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:33,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:05:33,218 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486392698] [2019-10-15 03:05:33,218 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:33,218 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-15 03:05:33,218 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457597740] [2019-10-15 03:05:33,219 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-15 03:05:33,219 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:33,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-15 03:05:33,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-15 03:05:33,220 INFO L87 Difference]: Start difference. First operand 454 states and 538 transitions. Second operand 9 states. [2019-10-15 03:05:33,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:33,451 INFO L93 Difference]: Finished difference Result 469 states and 552 transitions. [2019-10-15 03:05:33,451 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-15 03:05:33,452 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 49 [2019-10-15 03:05:33,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:33,459 INFO L225 Difference]: With dead ends: 469 [2019-10-15 03:05:33,459 INFO L226 Difference]: Without dead ends: 450 [2019-10-15 03:05:33,460 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2019-10-15 03:05:33,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2019-10-15 03:05:33,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 450. [2019-10-15 03:05:33,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 450 states. [2019-10-15 03:05:33,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 532 transitions. [2019-10-15 03:05:33,515 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 532 transitions. Word has length 49 [2019-10-15 03:05:33,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:33,515 INFO L462 AbstractCegarLoop]: Abstraction has 450 states and 532 transitions. [2019-10-15 03:05:33,515 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-15 03:05:33,516 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 532 transitions. [2019-10-15 03:05:33,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-15 03:05:33,517 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:33,517 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] [2019-10-15 03:05:33,517 INFO L410 AbstractCegarLoop]: === Iteration 29 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:33,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:33,518 INFO L82 PathProgramCache]: Analyzing trace with hash -983801191, now seen corresponding path program 1 times [2019-10-15 03:05:33,518 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:33,518 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638734887] [2019-10-15 03:05:33,518 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:33,518 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:33,519 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:33,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:33,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:05:33,559 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638734887] [2019-10-15 03:05:33,559 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:33,559 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:05:33,559 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947932384] [2019-10-15 03:05:33,560 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:05:33,560 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:33,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:05:33,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:05:33,561 INFO L87 Difference]: Start difference. First operand 450 states and 532 transitions. Second operand 3 states. [2019-10-15 03:05:33,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:33,609 INFO L93 Difference]: Finished difference Result 483 states and 570 transitions. [2019-10-15 03:05:33,610 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:05:33,610 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2019-10-15 03:05:33,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:33,614 INFO L225 Difference]: With dead ends: 483 [2019-10-15 03:05:33,614 INFO L226 Difference]: Without dead ends: 452 [2019-10-15 03:05:33,616 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:05:33,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2019-10-15 03:05:33,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 448. [2019-10-15 03:05:33,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 448 states. [2019-10-15 03:05:33,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 522 transitions. [2019-10-15 03:05:33,652 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 522 transitions. Word has length 51 [2019-10-15 03:05:33,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:33,653 INFO L462 AbstractCegarLoop]: Abstraction has 448 states and 522 transitions. [2019-10-15 03:05:33,653 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:05:33,653 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 522 transitions. [2019-10-15 03:05:33,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-10-15 03:05:33,655 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:33,655 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] [2019-10-15 03:05:33,655 INFO L410 AbstractCegarLoop]: === Iteration 30 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:33,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:33,656 INFO L82 PathProgramCache]: Analyzing trace with hash 1222375707, now seen corresponding path program 1 times [2019-10-15 03:05:33,656 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:33,657 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917220452] [2019-10-15 03:05:33,657 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:33,657 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:33,657 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:33,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:33,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:05:33,828 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917220452] [2019-10-15 03:05:33,829 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:33,829 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-15 03:05:33,829 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192916336] [2019-10-15 03:05:33,830 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-15 03:05:33,830 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:33,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-15 03:05:33,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-15 03:05:33,831 INFO L87 Difference]: Start difference. First operand 448 states and 522 transitions. Second operand 9 states. [2019-10-15 03:05:34,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:34,050 INFO L93 Difference]: Finished difference Result 463 states and 536 transitions. [2019-10-15 03:05:34,050 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-15 03:05:34,051 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 50 [2019-10-15 03:05:34,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:34,053 INFO L225 Difference]: With dead ends: 463 [2019-10-15 03:05:34,053 INFO L226 Difference]: Without dead ends: 444 [2019-10-15 03:05:34,055 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2019-10-15 03:05:34,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2019-10-15 03:05:34,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 444. [2019-10-15 03:05:34,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 444 states. [2019-10-15 03:05:34,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 516 transitions. [2019-10-15 03:05:34,119 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 516 transitions. Word has length 50 [2019-10-15 03:05:34,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:34,119 INFO L462 AbstractCegarLoop]: Abstraction has 444 states and 516 transitions. [2019-10-15 03:05:34,120 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-15 03:05:34,120 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 516 transitions. [2019-10-15 03:05:34,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-15 03:05:34,121 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:34,121 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] [2019-10-15 03:05:34,121 INFO L410 AbstractCegarLoop]: === Iteration 31 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:34,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:34,122 INFO L82 PathProgramCache]: Analyzing trace with hash -1864664581, now seen corresponding path program 1 times [2019-10-15 03:05:34,122 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:34,122 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259893788] [2019-10-15 03:05:34,122 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:34,122 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:34,123 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:34,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:34,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:05:34,195 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259893788] [2019-10-15 03:05:34,195 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:34,195 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 03:05:34,196 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127896736] [2019-10-15 03:05:34,196 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 03:05:34,196 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:34,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 03:05:34,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 03:05:34,197 INFO L87 Difference]: Start difference. First operand 444 states and 516 transitions. Second operand 5 states. [2019-10-15 03:05:34,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:34,252 INFO L93 Difference]: Finished difference Result 452 states and 523 transitions. [2019-10-15 03:05:34,252 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-15 03:05:34,252 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 53 [2019-10-15 03:05:34,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:34,255 INFO L225 Difference]: With dead ends: 452 [2019-10-15 03:05:34,256 INFO L226 Difference]: Without dead ends: 429 [2019-10-15 03:05:34,256 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 03:05:34,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2019-10-15 03:05:34,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 426. [2019-10-15 03:05:34,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 426 states. [2019-10-15 03:05:34,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 497 transitions. [2019-10-15 03:05:34,298 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 497 transitions. Word has length 53 [2019-10-15 03:05:34,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:34,298 INFO L462 AbstractCegarLoop]: Abstraction has 426 states and 497 transitions. [2019-10-15 03:05:34,298 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 03:05:34,299 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 497 transitions. [2019-10-15 03:05:34,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-15 03:05:34,300 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:34,301 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] [2019-10-15 03:05:34,301 INFO L410 AbstractCegarLoop]: === Iteration 32 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:34,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:34,302 INFO L82 PathProgramCache]: Analyzing trace with hash -451761164, now seen corresponding path program 1 times [2019-10-15 03:05:34,305 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:34,310 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191093661] [2019-10-15 03:05:34,310 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:34,310 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:34,311 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:34,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:34,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:05:34,482 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191093661] [2019-10-15 03:05:34,485 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:34,485 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-15 03:05:34,486 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966560581] [2019-10-15 03:05:34,486 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-15 03:05:34,486 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:34,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-15 03:05:34,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-15 03:05:34,489 INFO L87 Difference]: Start difference. First operand 426 states and 497 transitions. Second operand 9 states. [2019-10-15 03:05:34,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:34,753 INFO L93 Difference]: Finished difference Result 441 states and 511 transitions. [2019-10-15 03:05:34,754 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-15 03:05:34,754 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 53 [2019-10-15 03:05:34,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:34,756 INFO L225 Difference]: With dead ends: 441 [2019-10-15 03:05:34,756 INFO L226 Difference]: Without dead ends: 409 [2019-10-15 03:05:34,757 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2019-10-15 03:05:34,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2019-10-15 03:05:34,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 409. [2019-10-15 03:05:34,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 409 states. [2019-10-15 03:05:34,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 476 transitions. [2019-10-15 03:05:34,795 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 476 transitions. Word has length 53 [2019-10-15 03:05:34,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:34,796 INFO L462 AbstractCegarLoop]: Abstraction has 409 states and 476 transitions. [2019-10-15 03:05:34,796 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-15 03:05:34,796 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 476 transitions. [2019-10-15 03:05:34,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-10-15 03:05:34,798 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:34,798 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] [2019-10-15 03:05:34,799 INFO L410 AbstractCegarLoop]: === Iteration 33 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:34,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:34,799 INFO L82 PathProgramCache]: Analyzing trace with hash 525953556, now seen corresponding path program 1 times [2019-10-15 03:05:34,799 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:34,800 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941519816] [2019-10-15 03:05:34,800 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:34,800 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:34,800 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:34,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:35,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:05:35,020 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941519816] [2019-10-15 03:05:35,020 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:35,020 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-15 03:05:35,021 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507485890] [2019-10-15 03:05:35,021 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-15 03:05:35,021 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:35,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-15 03:05:35,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-10-15 03:05:35,022 INFO L87 Difference]: Start difference. First operand 409 states and 476 transitions. Second operand 10 states. [2019-10-15 03:05:35,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:35,947 INFO L93 Difference]: Finished difference Result 443 states and 510 transitions. [2019-10-15 03:05:35,948 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-15 03:05:35,948 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 63 [2019-10-15 03:05:35,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:35,953 INFO L225 Difference]: With dead ends: 443 [2019-10-15 03:05:35,954 INFO L226 Difference]: Without dead ends: 407 [2019-10-15 03:05:35,955 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 [2019-10-15 03:05:35,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2019-10-15 03:05:35,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 407. [2019-10-15 03:05:35,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 407 states. [2019-10-15 03:05:35,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 471 transitions. [2019-10-15 03:05:35,988 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 471 transitions. Word has length 63 [2019-10-15 03:05:35,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:35,989 INFO L462 AbstractCegarLoop]: Abstraction has 407 states and 471 transitions. [2019-10-15 03:05:35,989 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-15 03:05:35,989 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 471 transitions. [2019-10-15 03:05:35,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-10-15 03:05:35,991 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:35,991 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] [2019-10-15 03:05:35,991 INFO L410 AbstractCegarLoop]: === Iteration 34 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:35,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:35,992 INFO L82 PathProgramCache]: Analyzing trace with hash 975323943, now seen corresponding path program 1 times [2019-10-15 03:05:35,992 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:35,992 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232601041] [2019-10-15 03:05:35,992 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:35,992 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:35,993 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:36,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:36,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:05:36,152 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232601041] [2019-10-15 03:05:36,152 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:36,152 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-15 03:05:36,152 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293388567] [2019-10-15 03:05:36,153 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 03:05:36,153 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:36,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 03:05:36,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-10-15 03:05:36,154 INFO L87 Difference]: Start difference. First operand 407 states and 471 transitions. Second operand 8 states. [2019-10-15 03:05:36,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:36,789 INFO L93 Difference]: Finished difference Result 489 states and 580 transitions. [2019-10-15 03:05:36,790 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-15 03:05:36,790 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 64 [2019-10-15 03:05:36,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:36,793 INFO L225 Difference]: With dead ends: 489 [2019-10-15 03:05:36,793 INFO L226 Difference]: Without dead ends: 485 [2019-10-15 03:05:36,794 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 [2019-10-15 03:05:36,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2019-10-15 03:05:36,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 407. [2019-10-15 03:05:36,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 407 states. [2019-10-15 03:05:36,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 471 transitions. [2019-10-15 03:05:36,830 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 471 transitions. Word has length 64 [2019-10-15 03:05:36,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:36,831 INFO L462 AbstractCegarLoop]: Abstraction has 407 states and 471 transitions. [2019-10-15 03:05:36,831 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 03:05:36,831 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 471 transitions. [2019-10-15 03:05:36,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-10-15 03:05:36,832 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:36,832 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:05:36,833 INFO L410 AbstractCegarLoop]: === Iteration 35 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:36,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:36,833 INFO L82 PathProgramCache]: Analyzing trace with hash 911684087, now seen corresponding path program 1 times [2019-10-15 03:05:36,833 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:36,833 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755944962] [2019-10-15 03:05:36,834 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:36,834 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:36,834 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:36,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:36,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:05:36,919 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755944962] [2019-10-15 03:05:36,919 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:36,919 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 03:05:36,919 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967158085] [2019-10-15 03:05:36,920 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 03:05:36,920 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:36,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 03:05:36,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 03:05:36,921 INFO L87 Difference]: Start difference. First operand 407 states and 471 transitions. Second operand 5 states. [2019-10-15 03:05:37,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:37,461 INFO L93 Difference]: Finished difference Result 705 states and 797 transitions. [2019-10-15 03:05:37,461 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 03:05:37,461 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 59 [2019-10-15 03:05:37,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:37,465 INFO L225 Difference]: With dead ends: 705 [2019-10-15 03:05:37,465 INFO L226 Difference]: Without dead ends: 442 [2019-10-15 03:05:37,466 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 [2019-10-15 03:05:37,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2019-10-15 03:05:37,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 422. [2019-10-15 03:05:37,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 422 states. [2019-10-15 03:05:37,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 480 transitions. [2019-10-15 03:05:37,503 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 480 transitions. Word has length 59 [2019-10-15 03:05:37,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:37,504 INFO L462 AbstractCegarLoop]: Abstraction has 422 states and 480 transitions. [2019-10-15 03:05:37,504 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 03:05:37,504 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 480 transitions. [2019-10-15 03:05:37,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-10-15 03:05:37,505 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:37,505 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] [2019-10-15 03:05:37,506 INFO L410 AbstractCegarLoop]: === Iteration 36 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:37,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:37,506 INFO L82 PathProgramCache]: Analyzing trace with hash -2147321544, now seen corresponding path program 1 times [2019-10-15 03:05:37,506 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:37,507 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764839272] [2019-10-15 03:05:37,507 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:37,507 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:37,507 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:37,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:37,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:05:37,599 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764839272] [2019-10-15 03:05:37,599 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:37,599 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 03:05:37,599 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400966580] [2019-10-15 03:05:37,600 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 03:05:37,600 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:37,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 03:05:37,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 03:05:37,601 INFO L87 Difference]: Start difference. First operand 422 states and 480 transitions. Second operand 5 states. [2019-10-15 03:05:37,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:37,656 INFO L93 Difference]: Finished difference Result 461 states and 518 transitions. [2019-10-15 03:05:37,656 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-15 03:05:37,657 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 62 [2019-10-15 03:05:37,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:37,659 INFO L225 Difference]: With dead ends: 461 [2019-10-15 03:05:37,659 INFO L226 Difference]: Without dead ends: 422 [2019-10-15 03:05:37,659 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 03:05:37,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2019-10-15 03:05:37,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 422. [2019-10-15 03:05:37,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 422 states. [2019-10-15 03:05:37,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 479 transitions. [2019-10-15 03:05:37,695 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 479 transitions. Word has length 62 [2019-10-15 03:05:37,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:37,695 INFO L462 AbstractCegarLoop]: Abstraction has 422 states and 479 transitions. [2019-10-15 03:05:37,695 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 03:05:37,695 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 479 transitions. [2019-10-15 03:05:37,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-10-15 03:05:37,697 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:37,697 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] [2019-10-15 03:05:37,697 INFO L410 AbstractCegarLoop]: === Iteration 37 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:37,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:37,698 INFO L82 PathProgramCache]: Analyzing trace with hash 1430065658, now seen corresponding path program 1 times [2019-10-15 03:05:37,698 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:37,698 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936206269] [2019-10-15 03:05:37,698 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:37,698 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:37,699 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:37,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:37,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:05:37,942 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936206269] [2019-10-15 03:05:37,942 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:37,942 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 03:05:37,943 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445980237] [2019-10-15 03:05:37,943 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 03:05:37,943 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:37,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 03:05:37,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-15 03:05:37,944 INFO L87 Difference]: Start difference. First operand 422 states and 479 transitions. Second operand 7 states. [2019-10-15 03:05:38,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:38,333 INFO L93 Difference]: Finished difference Result 439 states and 495 transitions. [2019-10-15 03:05:38,333 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 03:05:38,333 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 71 [2019-10-15 03:05:38,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:38,336 INFO L225 Difference]: With dead ends: 439 [2019-10-15 03:05:38,336 INFO L226 Difference]: Without dead ends: 420 [2019-10-15 03:05:38,336 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2019-10-15 03:05:38,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2019-10-15 03:05:38,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 381. [2019-10-15 03:05:38,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 381 states. [2019-10-15 03:05:38,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 427 transitions. [2019-10-15 03:05:38,375 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 427 transitions. Word has length 71 [2019-10-15 03:05:38,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:38,375 INFO L462 AbstractCegarLoop]: Abstraction has 381 states and 427 transitions. [2019-10-15 03:05:38,376 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 03:05:38,376 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 427 transitions. [2019-10-15 03:05:38,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-10-15 03:05:38,377 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:38,377 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] [2019-10-15 03:05:38,378 INFO L410 AbstractCegarLoop]: === Iteration 38 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:38,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:38,378 INFO L82 PathProgramCache]: Analyzing trace with hash -300877880, now seen corresponding path program 1 times [2019-10-15 03:05:38,379 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:38,379 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133086890] [2019-10-15 03:05:38,379 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:38,379 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:38,379 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:38,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:38,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:05:38,629 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133086890] [2019-10-15 03:05:38,629 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:38,629 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-15 03:05:38,629 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139464117] [2019-10-15 03:05:38,630 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-15 03:05:38,630 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:38,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-15 03:05:38,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-10-15 03:05:38,631 INFO L87 Difference]: Start difference. First operand 381 states and 427 transitions. Second operand 9 states. [2019-10-15 03:05:39,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:39,405 INFO L93 Difference]: Finished difference Result 497 states and 556 transitions. [2019-10-15 03:05:39,406 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-15 03:05:39,406 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 72 [2019-10-15 03:05:39,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:39,409 INFO L225 Difference]: With dead ends: 497 [2019-10-15 03:05:39,409 INFO L226 Difference]: Without dead ends: 353 [2019-10-15 03:05:39,410 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2019-10-15 03:05:39,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2019-10-15 03:05:39,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 349. [2019-10-15 03:05:39,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 349 states. [2019-10-15 03:05:39,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 388 transitions. [2019-10-15 03:05:39,452 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 388 transitions. Word has length 72 [2019-10-15 03:05:39,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:39,454 INFO L462 AbstractCegarLoop]: Abstraction has 349 states and 388 transitions. [2019-10-15 03:05:39,454 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-15 03:05:39,454 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 388 transitions. [2019-10-15 03:05:39,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-10-15 03:05:39,456 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:39,456 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] [2019-10-15 03:05:39,456 INFO L410 AbstractCegarLoop]: === Iteration 39 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:39,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:39,457 INFO L82 PathProgramCache]: Analyzing trace with hash 319828316, now seen corresponding path program 1 times [2019-10-15 03:05:39,457 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:39,457 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984941329] [2019-10-15 03:05:39,457 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:39,458 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:39,458 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:39,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-15 03:05:39,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-15 03:05:39,642 INFO L168 tionRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-10-15 03:05:39,648 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-10-15 03:05:39,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 03:05:39 BoogieIcfgContainer [2019-10-15 03:05:39,874 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-15 03:05:39,876 INFO L168 Benchmark]: Toolchain (without parser) took 27056.78 ms. Allocated memory was 135.3 MB in the beginning and 534.8 MB in the end (delta: 399.5 MB). Free memory was 98.9 MB in the beginning and 374.5 MB in the end (delta: -275.6 MB). Peak memory consumption was 123.9 MB. Max. memory is 7.1 GB. [2019-10-15 03:05:39,877 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 135.3 MB. Free memory was 118.5 MB in the beginning and 118.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-15 03:05:39,877 INFO L168 Benchmark]: CACSL2BoogieTranslator took 647.30 ms. Allocated memory was 135.3 MB in the beginning and 200.8 MB in the end (delta: 65.5 MB). Free memory was 98.7 MB in the beginning and 170.2 MB in the end (delta: -71.6 MB). Peak memory consumption was 28.6 MB. Max. memory is 7.1 GB. [2019-10-15 03:05:39,882 INFO L168 Benchmark]: Boogie Preprocessor took 116.47 ms. Allocated memory is still 200.8 MB. Free memory was 170.2 MB in the beginning and 166.6 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. [2019-10-15 03:05:39,883 INFO L168 Benchmark]: RCFGBuilder took 2095.03 ms. Allocated memory was 200.8 MB in the beginning and 228.1 MB in the end (delta: 27.3 MB). Free memory was 166.6 MB in the beginning and 154.8 MB in the end (delta: 11.8 MB). Peak memory consumption was 91.6 MB. Max. memory is 7.1 GB. [2019-10-15 03:05:39,883 INFO L168 Benchmark]: TraceAbstraction took 24190.01 ms. Allocated memory was 228.1 MB in the beginning and 534.8 MB in the end (delta: 306.7 MB). Free memory was 154.8 MB in the beginning and 374.5 MB in the end (delta: -219.7 MB). Peak memory consumption was 87.0 MB. Max. memory is 7.1 GB. [2019-10-15 03:05:39,889 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 135.3 MB. Free memory was 118.5 MB in the beginning and 118.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 647.30 ms. Allocated memory was 135.3 MB in the beginning and 200.8 MB in the end (delta: 65.5 MB). Free memory was 98.7 MB in the beginning and 170.2 MB in the end (delta: -71.6 MB). Peak memory consumption was 28.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 116.47 ms. Allocated memory is still 200.8 MB. Free memory was 170.2 MB in the beginning and 166.6 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2095.03 ms. Allocated memory was 200.8 MB in the beginning and 228.1 MB in the end (delta: 27.3 MB). Free memory was 166.6 MB in the beginning and 154.8 MB in the end (delta: 11.8 MB). Peak memory consumption was 91.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 24190.01 ms. Allocated memory was 228.1 MB in the beginning and 534.8 MB in the end (delta: 306.7 MB). Free memory was 154.8 MB in the beginning and 374.5 MB in the end (delta: -219.7 MB). Peak memory consumption was 87.0 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: 24.0s, OverallIterations: 39, TraceHistogramMax: 1, AutomataDifference: 16.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 10229 SDtfs, 6801 SDslu, 24349 SDs, 0 SdLazy, 9343 SolverSat, 1905 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 339 GetRequests, 110 SyntacticMatches, 1 SemanticMatches, 228 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 184 ImplicationChecksByTransitivity, 3.7s 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: 1.4s AutomataMinimizationTime, 38 MinimizatonAttempts, 639 StatesRemovedByMinimization, 24 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 3.5s 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...