java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/ntdrivers-simplified/floppy_simpl4.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 03:05:12,594 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 03:05:12,596 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 03:05:12,610 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 03:05:12,610 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 03:05:12,611 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 03:05:12,613 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 03:05:12,615 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 03:05:12,617 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 03:05:12,618 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 03:05:12,619 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 03:05:12,620 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 03:05:12,620 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 03:05:12,622 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 03:05:12,623 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 03:05:12,624 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 03:05:12,625 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 03:05:12,626 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 03:05:12,628 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 03:05:12,630 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 03:05:12,631 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 03:05:12,632 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 03:05:12,633 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 03:05:12,634 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 03:05:12,636 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 03:05:12,637 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 03:05:12,637 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 03:05:12,638 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 03:05:12,638 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 03:05:12,639 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 03:05:12,639 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 03:05:12,640 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 03:05:12,641 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 03:05:12,642 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 03:05:12,644 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 03:05:12,644 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 03:05:12,645 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 03:05:12,645 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 03:05:12,645 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 03:05:12,646 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 03:05:12,647 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 03:05:12,648 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 03:05:12,662 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 03:05:12,663 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 03:05:12,665 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 03:05:12,665 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 03:05:12,665 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 03:05:12,666 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 03:05:12,666 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 03:05:12,666 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 03:05:12,667 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 03:05:12,667 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 03:05:12,667 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 03:05:12,667 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 03:05:12,667 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 03:05:12,668 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 03:05:12,668 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 03:05:12,668 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 03:05:12,669 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 03:05:12,669 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 03:05:12,669 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 03:05:12,669 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 03:05:12,670 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 03:05:12,670 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:05:12,670 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 03:05:12,670 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 03:05:12,671 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 03:05:12,671 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 03:05:12,671 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 03:05:12,672 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 03:05:12,672 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 03:05:13,026 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 03:05:13,040 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 03:05:13,043 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 03:05:13,045 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 03:05:13,045 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 03:05:13,046 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/floppy_simpl4.cil-1.c [2019-10-15 03:05:13,111 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bba7d5682/a8bbde487ce648d4ac6fd37fd4a180d1/FLAG83e161374 [2019-10-15 03:05:13,638 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 03:05:13,639 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/floppy_simpl4.cil-1.c [2019-10-15 03:05:13,657 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bba7d5682/a8bbde487ce648d4ac6fd37fd4a180d1/FLAG83e161374 [2019-10-15 03:05:13,972 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bba7d5682/a8bbde487ce648d4ac6fd37fd4a180d1 [2019-10-15 03:05:13,982 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 03:05:13,984 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 03:05:13,985 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 03:05:13,985 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 03:05:13,989 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 03:05:13,990 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:05:13" (1/1) ... [2019-10-15 03:05:13,994 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cabe9bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:05:13, skipping insertion in model container [2019-10-15 03:05:13,994 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:05:13" (1/1) ... [2019-10-15 03:05:14,003 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 03:05:14,058 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 03:05:14,682 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:05:14,688 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 03:05:14,854 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:05:14,884 INFO L192 MainTranslator]: Completed translation [2019-10-15 03:05:14,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:05:14 WrapperNode [2019-10-15 03:05:14,885 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 03:05:14,885 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 03:05:14,886 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 03:05:14,886 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 03:05:14,898 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:05:14" (1/1) ... [2019-10-15 03:05:14,898 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:05:14" (1/1) ... [2019-10-15 03:05:14,921 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:05:14" (1/1) ... [2019-10-15 03:05:14,922 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:05:14" (1/1) ... [2019-10-15 03:05:14,976 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:05:14" (1/1) ... [2019-10-15 03:05:15,001 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:05:14" (1/1) ... [2019-10-15 03:05:15,020 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:05:14" (1/1) ... [2019-10-15 03:05:15,041 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 03:05:15,042 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 03:05:15,046 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 03:05:15,047 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 03:05:15,053 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:05:14" (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 03:05:15,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 03:05:15,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 03:05:15,137 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2019-10-15 03:05:15,137 INFO L138 BoogieDeclarations]: Found implementation of procedure FlAcpiConfigureFloppy [2019-10-15 03:05:15,137 INFO L138 BoogieDeclarations]: Found implementation of procedure FlQueueIrpToThread [2019-10-15 03:05:15,138 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnp [2019-10-15 03:05:15,139 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyStartDevice [2019-10-15 03:05:15,139 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnpComplete [2019-10-15 03:05:15,139 INFO L138 BoogieDeclarations]: Found implementation of procedure FlFdcDeviceIo [2019-10-15 03:05:15,140 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyProcessQueuedRequests [2019-10-15 03:05:15,140 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2019-10-15 03:05:15,141 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 03:05:15,141 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2019-10-15 03:05:15,141 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteSymbolicLink [2019-10-15 03:05:15,142 INFO L138 BoogieDeclarations]: Found implementation of procedure IoQueryDeviceDescription [2019-10-15 03:05:15,142 INFO L138 BoogieDeclarations]: Found implementation of procedure IoRegisterDeviceInterface [2019-10-15 03:05:15,145 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2019-10-15 03:05:15,145 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2019-10-15 03:05:15,145 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2019-10-15 03:05:15,146 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2019-10-15 03:05:15,146 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2019-10-15 03:05:15,146 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2019-10-15 03:05:15,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ObReferenceObjectByHandle [2019-10-15 03:05:15,147 INFO L138 BoogieDeclarations]: Found implementation of procedure PsCreateSystemThread [2019-10-15 03:05:15,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2019-10-15 03:05:15,147 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyCreateClose [2019-10-15 03:05:15,147 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyDeviceControl [2019-10-15 03:05:15,147 INFO L138 BoogieDeclarations]: Found implementation of procedure FlCheckFormatParameters [2019-10-15 03:05:15,148 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyQueueRequest [2019-10-15 03:05:15,148 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2019-10-15 03:05:15,148 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 03:05:15,149 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-10-15 03:05:15,149 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 03:05:15,149 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-15 03:05:15,149 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-15 03:05:15,149 INFO L130 BoogieDeclarations]: Found specification of procedure FlAcpiConfigureFloppy [2019-10-15 03:05:15,149 INFO L130 BoogieDeclarations]: Found specification of procedure FlQueueIrpToThread [2019-10-15 03:05:15,149 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnp [2019-10-15 03:05:15,150 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyStartDevice [2019-10-15 03:05:15,150 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnpComplete [2019-10-15 03:05:15,150 INFO L130 BoogieDeclarations]: Found specification of procedure FlFdcDeviceIo [2019-10-15 03:05:15,150 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2019-10-15 03:05:15,150 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteSymbolicLink [2019-10-15 03:05:15,150 INFO L130 BoogieDeclarations]: Found specification of procedure IoQueryDeviceDescription [2019-10-15 03:05:15,150 INFO L130 BoogieDeclarations]: Found specification of procedure IoRegisterDeviceInterface [2019-10-15 03:05:15,151 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2019-10-15 03:05:15,151 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2019-10-15 03:05:15,153 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2019-10-15 03:05:15,153 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2019-10-15 03:05:15,153 INFO L130 BoogieDeclarations]: Found specification of procedure ObReferenceObjectByHandle [2019-10-15 03:05:15,153 INFO L130 BoogieDeclarations]: Found specification of procedure PsCreateSystemThread [2019-10-15 03:05:15,153 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2019-10-15 03:05:15,153 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyCreateClose [2019-10-15 03:05:15,154 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyQueueRequest [2019-10-15 03:05:15,154 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyDeviceControl [2019-10-15 03:05:15,154 INFO L130 BoogieDeclarations]: Found specification of procedure FlCheckFormatParameters [2019-10-15 03:05:15,154 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2019-10-15 03:05:15,154 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2019-10-15 03:05:15,155 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2019-10-15 03:05:15,155 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyProcessQueuedRequests [2019-10-15 03:05:15,155 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2019-10-15 03:05:15,155 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 03:05:15,156 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2019-10-15 03:05:15,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 03:05:15,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 03:05:15,617 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-15 03:05:15,679 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-15 03:05:15,679 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-15 03:05:15,707 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-15 03:05:15,733 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-15 03:05:15,733 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-15 03:05:15,744 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-15 03:05:16,140 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2019-10-15 03:05:16,141 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2019-10-15 03:05:16,144 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-15 03:05:16,286 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume !false; [2019-10-15 03:05:16,286 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume false; [2019-10-15 03:05:16,317 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-15 03:05:16,362 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2019-10-15 03:05:16,363 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2019-10-15 03:05:16,536 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-15 03:05:16,550 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-15 03:05:16,551 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-15 03:05:16,551 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-15 03:05:16,587 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-15 03:05:16,588 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-15 03:05:16,588 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-15 03:05:16,614 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-15 03:05:16,614 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-15 03:05:16,684 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-15 03:05:16,720 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-10-15 03:05:16,721 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-10-15 03:05:16,724 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-15 03:05:16,899 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##38: assume !false; [2019-10-15 03:05:16,899 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##37: assume false; [2019-10-15 03:05:16,975 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-15 03:05:16,982 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-15 03:05:16,982 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-15 03:05:16,983 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-15 03:05:17,004 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-15 03:05:17,005 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-15 03:05:17,005 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-15 03:05:17,013 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-15 03:05:17,013 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-15 03:05:17,570 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 03:05:17,571 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-15 03:05:17,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:05:17 BoogieIcfgContainer [2019-10-15 03:05:17,573 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 03:05:17,574 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 03:05:17,574 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 03:05:17,579 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 03:05:17,580 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 03:05:13" (1/3) ... [2019-10-15 03:05:17,581 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5beabc60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:05:17, skipping insertion in model container [2019-10-15 03:05:17,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:05:14" (2/3) ... [2019-10-15 03:05:17,582 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5beabc60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:05:17, skipping insertion in model container [2019-10-15 03:05:17,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:05:17" (3/3) ... [2019-10-15 03:05:17,587 INFO L109 eAbstractionObserver]: Analyzing ICFG floppy_simpl4.cil-1.c [2019-10-15 03:05:17,598 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 03:05:17,608 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 03:05:17,621 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 03:05:17,663 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 03:05:17,663 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 03:05:17,664 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 03:05:17,664 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 03:05:17,665 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 03:05:17,665 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 03:05:17,666 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 03:05:17,666 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 03:05:17,721 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states. [2019-10-15 03:05:17,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-15 03:05:17,731 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:17,732 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 03:05:17,734 INFO L410 AbstractCegarLoop]: === Iteration 1 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:17,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:17,745 INFO L82 PathProgramCache]: Analyzing trace with hash -1185276521, now seen corresponding path program 1 times [2019-10-15 03:05:17,755 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:17,756 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142259909] [2019-10-15 03:05:17,756 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:17,757 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:17,757 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:17,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:18,095 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 03:05:18,096 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142259909] [2019-10-15 03:05:18,097 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:18,097 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:05:18,098 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445357195] [2019-10-15 03:05:18,104 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:05:18,104 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:18,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:05:18,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:05:18,121 INFO L87 Difference]: Start difference. First operand 306 states. Second operand 3 states. [2019-10-15 03:05:18,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:18,371 INFO L93 Difference]: Finished difference Result 496 states and 730 transitions. [2019-10-15 03:05:18,371 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:05:18,373 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2019-10-15 03:05:18,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:18,402 INFO L225 Difference]: With dead ends: 496 [2019-10-15 03:05:18,402 INFO L226 Difference]: Without dead ends: 300 [2019-10-15 03:05:18,410 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 03:05:18,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2019-10-15 03:05:18,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 300. [2019-10-15 03:05:18,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 300 states. [2019-10-15 03:05:18,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 408 transitions. [2019-10-15 03:05:18,496 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 408 transitions. Word has length 18 [2019-10-15 03:05:18,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:18,498 INFO L462 AbstractCegarLoop]: Abstraction has 300 states and 408 transitions. [2019-10-15 03:05:18,498 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:05:18,498 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 408 transitions. [2019-10-15 03:05:18,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-10-15 03:05:18,502 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:18,503 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:05:18,504 INFO L410 AbstractCegarLoop]: === Iteration 2 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:18,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:18,504 INFO L82 PathProgramCache]: Analyzing trace with hash -1685353303, now seen corresponding path program 1 times [2019-10-15 03:05:18,505 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:18,505 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101018986] [2019-10-15 03:05:18,505 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:18,506 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:18,506 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:18,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:18,763 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 03:05:18,763 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101018986] [2019-10-15 03:05:18,763 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:18,763 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:05:18,764 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264422368] [2019-10-15 03:05:18,769 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:05:18,769 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:18,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:05:18,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:05:18,770 INFO L87 Difference]: Start difference. First operand 300 states and 408 transitions. Second operand 3 states. [2019-10-15 03:05:19,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:19,009 INFO L93 Difference]: Finished difference Result 516 states and 690 transitions. [2019-10-15 03:05:19,009 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:05:19,009 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 21 [2019-10-15 03:05:19,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:19,015 INFO L225 Difference]: With dead ends: 516 [2019-10-15 03:05:19,015 INFO L226 Difference]: Without dead ends: 387 [2019-10-15 03:05:19,017 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 03:05:19,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2019-10-15 03:05:19,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 368. [2019-10-15 03:05:19,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 368 states. [2019-10-15 03:05:19,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 488 transitions. [2019-10-15 03:05:19,094 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 488 transitions. Word has length 21 [2019-10-15 03:05:19,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:19,095 INFO L462 AbstractCegarLoop]: Abstraction has 368 states and 488 transitions. [2019-10-15 03:05:19,095 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:05:19,095 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 488 transitions. [2019-10-15 03:05:19,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-15 03:05:19,097 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:19,098 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:05:19,098 INFO L410 AbstractCegarLoop]: === Iteration 3 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:19,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:19,098 INFO L82 PathProgramCache]: Analyzing trace with hash -915073831, now seen corresponding path program 1 times [2019-10-15 03:05:19,099 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:19,099 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027909201] [2019-10-15 03:05:19,099 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:19,099 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:19,099 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:19,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:19,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:05:19,248 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027909201] [2019-10-15 03:05:19,248 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:19,249 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:05:19,249 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378707717] [2019-10-15 03:05:19,250 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:05:19,250 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:19,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:05:19,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:05:19,251 INFO L87 Difference]: Start difference. First operand 368 states and 488 transitions. Second operand 3 states. [2019-10-15 03:05:19,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:19,332 INFO L93 Difference]: Finished difference Result 466 states and 611 transitions. [2019-10-15 03:05:19,333 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:05:19,333 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-10-15 03:05:19,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:19,342 INFO L225 Difference]: With dead ends: 466 [2019-10-15 03:05:19,342 INFO L226 Difference]: Without dead ends: 445 [2019-10-15 03:05:19,344 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 03:05:19,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2019-10-15 03:05:19,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 429. [2019-10-15 03:05:19,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 429 states. [2019-10-15 03:05:19,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 564 transitions. [2019-10-15 03:05:19,391 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 564 transitions. Word has length 26 [2019-10-15 03:05:19,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:19,391 INFO L462 AbstractCegarLoop]: Abstraction has 429 states and 564 transitions. [2019-10-15 03:05:19,391 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:05:19,392 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 564 transitions. [2019-10-15 03:05:19,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-10-15 03:05:19,400 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:19,400 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:05:19,400 INFO L410 AbstractCegarLoop]: === Iteration 4 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:19,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:19,401 INFO L82 PathProgramCache]: Analyzing trace with hash -218053855, now seen corresponding path program 1 times [2019-10-15 03:05:19,401 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:19,401 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715131345] [2019-10-15 03:05:19,402 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:19,402 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:19,402 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:19,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:19,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:05:19,521 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715131345] [2019-10-15 03:05:19,521 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:19,522 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:05:19,522 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488784060] [2019-10-15 03:05:19,523 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:05:19,523 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:19,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:05:19,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:05:19,524 INFO L87 Difference]: Start difference. First operand 429 states and 564 transitions. Second operand 3 states. [2019-10-15 03:05:19,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:19,604 INFO L93 Difference]: Finished difference Result 769 states and 1008 transitions. [2019-10-15 03:05:19,605 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:05:19,605 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2019-10-15 03:05:19,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:19,613 INFO L225 Difference]: With dead ends: 769 [2019-10-15 03:05:19,614 INFO L226 Difference]: Without dead ends: 568 [2019-10-15 03:05:19,616 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 03:05:19,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 568 states. [2019-10-15 03:05:19,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 568 to 542. [2019-10-15 03:05:19,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 542 states. [2019-10-15 03:05:19,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 717 transitions. [2019-10-15 03:05:19,656 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 717 transitions. Word has length 27 [2019-10-15 03:05:19,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:19,656 INFO L462 AbstractCegarLoop]: Abstraction has 542 states and 717 transitions. [2019-10-15 03:05:19,656 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:05:19,657 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 717 transitions. [2019-10-15 03:05:19,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-10-15 03:05:19,659 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:19,659 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 03:05:19,659 INFO L410 AbstractCegarLoop]: === Iteration 5 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:19,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:19,659 INFO L82 PathProgramCache]: Analyzing trace with hash 477972724, now seen corresponding path program 1 times [2019-10-15 03:05:19,660 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:19,660 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436781415] [2019-10-15 03:05:19,660 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:19,660 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:19,661 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:19,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:19,742 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 03:05:19,742 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436781415] [2019-10-15 03:05:19,743 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:19,743 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:05:19,744 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768581609] [2019-10-15 03:05:19,744 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:05:19,745 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:19,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:05:19,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:05:19,746 INFO L87 Difference]: Start difference. First operand 542 states and 717 transitions. Second operand 3 states. [2019-10-15 03:05:19,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:19,922 INFO L93 Difference]: Finished difference Result 551 states and 728 transitions. [2019-10-15 03:05:19,922 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:05:19,923 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2019-10-15 03:05:19,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:19,928 INFO L225 Difference]: With dead ends: 551 [2019-10-15 03:05:19,929 INFO L226 Difference]: Without dead ends: 548 [2019-10-15 03:05:19,930 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 03:05:19,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2019-10-15 03:05:19,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 548. [2019-10-15 03:05:19,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 548 states. [2019-10-15 03:05:19,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 548 states and 724 transitions. [2019-10-15 03:05:19,962 INFO L78 Accepts]: Start accepts. Automaton has 548 states and 724 transitions. Word has length 32 [2019-10-15 03:05:19,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:19,963 INFO L462 AbstractCegarLoop]: Abstraction has 548 states and 724 transitions. [2019-10-15 03:05:19,963 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:05:19,963 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 724 transitions. [2019-10-15 03:05:19,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-15 03:05:19,965 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:19,965 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] [2019-10-15 03:05:19,965 INFO L410 AbstractCegarLoop]: === Iteration 6 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:19,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:19,965 INFO L82 PathProgramCache]: Analyzing trace with hash 421235264, now seen corresponding path program 1 times [2019-10-15 03:05:19,966 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:19,966 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312176770] [2019-10-15 03:05:19,966 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:19,966 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:19,966 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:19,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:20,015 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 03:05:20,016 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312176770] [2019-10-15 03:05:20,016 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:20,016 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:05:20,017 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695354128] [2019-10-15 03:05:20,017 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:05:20,018 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:20,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:05:20,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:05:20,018 INFO L87 Difference]: Start difference. First operand 548 states and 724 transitions. Second operand 3 states. [2019-10-15 03:05:20,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:20,131 INFO L93 Difference]: Finished difference Result 588 states and 772 transitions. [2019-10-15 03:05:20,132 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:05:20,132 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2019-10-15 03:05:20,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:20,139 INFO L225 Difference]: With dead ends: 588 [2019-10-15 03:05:20,140 INFO L226 Difference]: Without dead ends: 583 [2019-10-15 03:05:20,140 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 03:05:20,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 583 states. [2019-10-15 03:05:20,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 583 to 579. [2019-10-15 03:05:20,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 579 states. [2019-10-15 03:05:20,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 762 transitions. [2019-10-15 03:05:20,178 INFO L78 Accepts]: Start accepts. Automaton has 579 states and 762 transitions. Word has length 33 [2019-10-15 03:05:20,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:20,179 INFO L462 AbstractCegarLoop]: Abstraction has 579 states and 762 transitions. [2019-10-15 03:05:20,179 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:05:20,179 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 762 transitions. [2019-10-15 03:05:20,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-15 03:05:20,181 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:20,181 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:05:20,181 INFO L410 AbstractCegarLoop]: === Iteration 7 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:20,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:20,182 INFO L82 PathProgramCache]: Analyzing trace with hash 625993510, now seen corresponding path program 1 times [2019-10-15 03:05:20,182 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:20,182 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914555488] [2019-10-15 03:05:20,182 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:20,182 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:20,183 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:20,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:20,257 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 03:05:20,258 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914555488] [2019-10-15 03:05:20,258 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:20,258 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 03:05:20,259 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019453593] [2019-10-15 03:05:20,259 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 03:05:20,260 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:20,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 03:05:20,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 03:05:20,261 INFO L87 Difference]: Start difference. First operand 579 states and 762 transitions. Second operand 5 states. [2019-10-15 03:05:20,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:20,326 INFO L93 Difference]: Finished difference Result 592 states and 776 transitions. [2019-10-15 03:05:20,326 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-15 03:05:20,326 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2019-10-15 03:05:20,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:20,331 INFO L225 Difference]: With dead ends: 592 [2019-10-15 03:05:20,331 INFO L226 Difference]: Without dead ends: 577 [2019-10-15 03:05:20,332 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-15 03:05:20,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2019-10-15 03:05:20,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 577. [2019-10-15 03:05:20,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 577 states. [2019-10-15 03:05:20,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 577 states and 758 transitions. [2019-10-15 03:05:20,365 INFO L78 Accepts]: Start accepts. Automaton has 577 states and 758 transitions. Word has length 34 [2019-10-15 03:05:20,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:20,366 INFO L462 AbstractCegarLoop]: Abstraction has 577 states and 758 transitions. [2019-10-15 03:05:20,366 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 03:05:20,366 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 758 transitions. [2019-10-15 03:05:20,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-10-15 03:05:20,368 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:20,368 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 03:05:20,369 INFO L410 AbstractCegarLoop]: === Iteration 8 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:20,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:20,370 INFO L82 PathProgramCache]: Analyzing trace with hash -1092268321, now seen corresponding path program 1 times [2019-10-15 03:05:20,370 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:20,370 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643762] [2019-10-15 03:05:20,370 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:20,370 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:20,371 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:20,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:20,438 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 03:05:20,438 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643762] [2019-10-15 03:05:20,438 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:20,438 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 03:05:20,439 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509707191] [2019-10-15 03:05:20,439 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 03:05:20,439 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:20,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 03:05:20,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 03:05:20,440 INFO L87 Difference]: Start difference. First operand 577 states and 758 transitions. Second operand 5 states. [2019-10-15 03:05:20,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:20,521 INFO L93 Difference]: Finished difference Result 590 states and 772 transitions. [2019-10-15 03:05:20,521 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-15 03:05:20,522 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 35 [2019-10-15 03:05:20,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:20,526 INFO L225 Difference]: With dead ends: 590 [2019-10-15 03:05:20,526 INFO L226 Difference]: Without dead ends: 571 [2019-10-15 03:05:20,527 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-15 03:05:20,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 571 states. [2019-10-15 03:05:20,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 571 to 571. [2019-10-15 03:05:20,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 571 states. [2019-10-15 03:05:20,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 750 transitions. [2019-10-15 03:05:20,557 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 750 transitions. Word has length 35 [2019-10-15 03:05:20,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:20,557 INFO L462 AbstractCegarLoop]: Abstraction has 571 states and 750 transitions. [2019-10-15 03:05:20,557 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 03:05:20,557 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 750 transitions. [2019-10-15 03:05:20,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-10-15 03:05:20,559 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:20,559 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 03:05:20,559 INFO L410 AbstractCegarLoop]: === Iteration 9 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:20,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:20,560 INFO L82 PathProgramCache]: Analyzing trace with hash 765744359, now seen corresponding path program 1 times [2019-10-15 03:05:20,560 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:20,560 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432269375] [2019-10-15 03:05:20,560 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:20,560 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:20,561 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:20,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:20,607 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 03:05:20,608 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432269375] [2019-10-15 03:05:20,608 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:20,608 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:05:20,608 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322133994] [2019-10-15 03:05:20,609 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:05:20,609 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:20,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:05:20,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:05:20,610 INFO L87 Difference]: Start difference. First operand 571 states and 750 transitions. Second operand 3 states. [2019-10-15 03:05:20,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:20,781 INFO L93 Difference]: Finished difference Result 729 states and 970 transitions. [2019-10-15 03:05:20,781 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:05:20,781 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 38 [2019-10-15 03:05:20,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:20,787 INFO L225 Difference]: With dead ends: 729 [2019-10-15 03:05:20,787 INFO L226 Difference]: Without dead ends: 726 [2019-10-15 03:05:20,788 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 03:05:20,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 726 states. [2019-10-15 03:05:20,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 726 to 617. [2019-10-15 03:05:20,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 617 states. [2019-10-15 03:05:20,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 617 states and 814 transitions. [2019-10-15 03:05:20,824 INFO L78 Accepts]: Start accepts. Automaton has 617 states and 814 transitions. Word has length 38 [2019-10-15 03:05:20,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:20,825 INFO L462 AbstractCegarLoop]: Abstraction has 617 states and 814 transitions. [2019-10-15 03:05:20,826 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:05:20,826 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 814 transitions. [2019-10-15 03:05:20,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-10-15 03:05:20,828 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:20,828 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:05:20,829 INFO L410 AbstractCegarLoop]: === Iteration 10 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:20,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:20,829 INFO L82 PathProgramCache]: Analyzing trace with hash 2025179122, now seen corresponding path program 1 times [2019-10-15 03:05:20,829 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:20,829 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700072413] [2019-10-15 03:05:20,830 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:20,830 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:20,830 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:20,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:21,014 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 03:05:21,014 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700072413] [2019-10-15 03:05:21,015 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:21,015 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-15 03:05:21,015 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600105503] [2019-10-15 03:05:21,016 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 03:05:21,017 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:21,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 03:05:21,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-10-15 03:05:21,019 INFO L87 Difference]: Start difference. First operand 617 states and 814 transitions. Second operand 8 states. [2019-10-15 03:05:22,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:22,303 INFO L93 Difference]: Finished difference Result 826 states and 1088 transitions. [2019-10-15 03:05:22,304 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 03:05:22,304 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 39 [2019-10-15 03:05:22,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:22,310 INFO L225 Difference]: With dead ends: 826 [2019-10-15 03:05:22,310 INFO L226 Difference]: Without dead ends: 748 [2019-10-15 03:05:22,317 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 03:05:22,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2019-10-15 03:05:22,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 611. [2019-10-15 03:05:22,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 611 states. [2019-10-15 03:05:22,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 800 transitions. [2019-10-15 03:05:22,401 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 800 transitions. Word has length 39 [2019-10-15 03:05:22,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:22,402 INFO L462 AbstractCegarLoop]: Abstraction has 611 states and 800 transitions. [2019-10-15 03:05:22,402 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 03:05:22,402 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 800 transitions. [2019-10-15 03:05:22,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-10-15 03:05:22,404 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:22,404 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 03:05:22,404 INFO L410 AbstractCegarLoop]: === Iteration 11 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:22,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:22,405 INFO L82 PathProgramCache]: Analyzing trace with hash -1892539206, now seen corresponding path program 1 times [2019-10-15 03:05:22,405 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:22,405 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459174079] [2019-10-15 03:05:22,405 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:22,405 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:22,405 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:22,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:22,479 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 03:05:22,480 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459174079] [2019-10-15 03:05:22,480 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:22,480 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 03:05:22,481 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086666870] [2019-10-15 03:05:22,482 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 03:05:22,482 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:22,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 03:05:22,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 03:05:22,483 INFO L87 Difference]: Start difference. First operand 611 states and 800 transitions. Second operand 4 states. [2019-10-15 03:05:22,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:22,560 INFO L93 Difference]: Finished difference Result 639 states and 833 transitions. [2019-10-15 03:05:22,560 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-15 03:05:22,561 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 37 [2019-10-15 03:05:22,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:22,565 INFO L225 Difference]: With dead ends: 639 [2019-10-15 03:05:22,565 INFO L226 Difference]: Without dead ends: 617 [2019-10-15 03:05:22,567 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-15 03:05:22,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 617 states. [2019-10-15 03:05:22,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 617 to 613. [2019-10-15 03:05:22,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 613 states. [2019-10-15 03:05:22,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 613 states and 802 transitions. [2019-10-15 03:05:22,602 INFO L78 Accepts]: Start accepts. Automaton has 613 states and 802 transitions. Word has length 37 [2019-10-15 03:05:22,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:22,603 INFO L462 AbstractCegarLoop]: Abstraction has 613 states and 802 transitions. [2019-10-15 03:05:22,603 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 03:05:22,603 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 802 transitions. [2019-10-15 03:05:22,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-10-15 03:05:22,604 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:22,605 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:05:22,605 INFO L410 AbstractCegarLoop]: === Iteration 12 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:22,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:22,605 INFO L82 PathProgramCache]: Analyzing trace with hash -962951765, now seen corresponding path program 1 times [2019-10-15 03:05:22,606 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:22,606 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78402410] [2019-10-15 03:05:22,606 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:22,606 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:22,607 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:22,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:22,775 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 03:05:22,775 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78402410] [2019-10-15 03:05:22,776 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:22,776 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-15 03:05:22,776 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728802452] [2019-10-15 03:05:22,777 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 03:05:22,777 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:22,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 03:05:22,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-15 03:05:22,778 INFO L87 Difference]: Start difference. First operand 613 states and 802 transitions. Second operand 8 states. [2019-10-15 03:05:23,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:23,744 INFO L93 Difference]: Finished difference Result 640 states and 830 transitions. [2019-10-15 03:05:23,745 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 03:05:23,745 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 39 [2019-10-15 03:05:23,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:23,749 INFO L225 Difference]: With dead ends: 640 [2019-10-15 03:05:23,749 INFO L226 Difference]: Without dead ends: 631 [2019-10-15 03:05:23,750 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2019-10-15 03:05:23,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 631 states. [2019-10-15 03:05:23,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 631 to 613. [2019-10-15 03:05:23,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 613 states. [2019-10-15 03:05:23,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 613 states and 800 transitions. [2019-10-15 03:05:23,782 INFO L78 Accepts]: Start accepts. Automaton has 613 states and 800 transitions. Word has length 39 [2019-10-15 03:05:23,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:23,783 INFO L462 AbstractCegarLoop]: Abstraction has 613 states and 800 transitions. [2019-10-15 03:05:23,783 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 03:05:23,783 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 800 transitions. [2019-10-15 03:05:23,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-10-15 03:05:23,784 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:23,785 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 03:05:23,785 INFO L410 AbstractCegarLoop]: === Iteration 13 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:23,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:23,785 INFO L82 PathProgramCache]: Analyzing trace with hash -675985017, now seen corresponding path program 1 times [2019-10-15 03:05:23,786 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:23,786 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547785642] [2019-10-15 03:05:23,786 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:23,786 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:23,786 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:23,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:23,908 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 03:05:23,909 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547785642] [2019-10-15 03:05:23,909 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:23,909 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-15 03:05:23,909 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078814915] [2019-10-15 03:05:23,910 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 03:05:23,910 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:23,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 03:05:23,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-15 03:05:23,911 INFO L87 Difference]: Start difference. First operand 613 states and 800 transitions. Second operand 8 states. [2019-10-15 03:05:25,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:25,178 INFO L93 Difference]: Finished difference Result 640 states and 827 transitions. [2019-10-15 03:05:25,178 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 03:05:25,179 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 40 [2019-10-15 03:05:25,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:25,183 INFO L225 Difference]: With dead ends: 640 [2019-10-15 03:05:25,184 INFO L226 Difference]: Without dead ends: 631 [2019-10-15 03:05:25,185 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 03:05:25,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 631 states. [2019-10-15 03:05:25,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 631 to 613. [2019-10-15 03:05:25,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 613 states. [2019-10-15 03:05:25,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 613 states and 798 transitions. [2019-10-15 03:05:25,221 INFO L78 Accepts]: Start accepts. Automaton has 613 states and 798 transitions. Word has length 40 [2019-10-15 03:05:25,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:25,221 INFO L462 AbstractCegarLoop]: Abstraction has 613 states and 798 transitions. [2019-10-15 03:05:25,221 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 03:05:25,221 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 798 transitions. [2019-10-15 03:05:25,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-10-15 03:05:25,223 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:25,223 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 03:05:25,223 INFO L410 AbstractCegarLoop]: === Iteration 14 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:25,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:25,224 INFO L82 PathProgramCache]: Analyzing trace with hash -169617054, now seen corresponding path program 1 times [2019-10-15 03:05:25,224 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:25,224 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020581721] [2019-10-15 03:05:25,224 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:25,224 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:25,225 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:25,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:25,278 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 03:05:25,278 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020581721] [2019-10-15 03:05:25,279 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:25,279 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:05:25,279 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015101260] [2019-10-15 03:05:25,280 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:05:25,280 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:25,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:05:25,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:05:25,281 INFO L87 Difference]: Start difference. First operand 613 states and 798 transitions. Second operand 3 states. [2019-10-15 03:05:25,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:25,339 INFO L93 Difference]: Finished difference Result 643 states and 834 transitions. [2019-10-15 03:05:25,340 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:05:25,340 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2019-10-15 03:05:25,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:25,344 INFO L225 Difference]: With dead ends: 643 [2019-10-15 03:05:25,344 INFO L226 Difference]: Without dead ends: 606 [2019-10-15 03:05:25,346 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 03:05:25,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 606 states. [2019-10-15 03:05:25,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 606 to 602. [2019-10-15 03:05:25,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 602 states. [2019-10-15 03:05:25,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 779 transitions. [2019-10-15 03:05:25,386 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 779 transitions. Word has length 40 [2019-10-15 03:05:25,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:25,387 INFO L462 AbstractCegarLoop]: Abstraction has 602 states and 779 transitions. [2019-10-15 03:05:25,387 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:05:25,387 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 779 transitions. [2019-10-15 03:05:25,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-10-15 03:05:25,389 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:25,389 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:05:25,390 INFO L410 AbstractCegarLoop]: === Iteration 15 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:25,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:25,390 INFO L82 PathProgramCache]: Analyzing trace with hash 574216916, now seen corresponding path program 1 times [2019-10-15 03:05:25,390 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:25,390 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351419253] [2019-10-15 03:05:25,391 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:25,391 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:25,391 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:25,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:25,463 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 03:05:25,463 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351419253] [2019-10-15 03:05:25,464 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:25,464 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 03:05:25,464 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697608477] [2019-10-15 03:05:25,465 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 03:05:25,465 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:25,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 03:05:25,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 03:05:25,466 INFO L87 Difference]: Start difference. First operand 602 states and 779 transitions. Second operand 5 states. [2019-10-15 03:05:25,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:25,526 INFO L93 Difference]: Finished difference Result 618 states and 794 transitions. [2019-10-15 03:05:25,526 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-15 03:05:25,527 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 41 [2019-10-15 03:05:25,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:25,531 INFO L225 Difference]: With dead ends: 618 [2019-10-15 03:05:25,532 INFO L226 Difference]: Without dead ends: 600 [2019-10-15 03:05:25,533 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 03:05:25,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2019-10-15 03:05:25,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 600. [2019-10-15 03:05:25,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 600 states. [2019-10-15 03:05:25,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 775 transitions. [2019-10-15 03:05:25,569 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 775 transitions. Word has length 41 [2019-10-15 03:05:25,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:25,570 INFO L462 AbstractCegarLoop]: Abstraction has 600 states and 775 transitions. [2019-10-15 03:05:25,570 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 03:05:25,570 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 775 transitions. [2019-10-15 03:05:25,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-15 03:05:25,571 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:25,572 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 03:05:25,572 INFO L410 AbstractCegarLoop]: === Iteration 16 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:25,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:25,572 INFO L82 PathProgramCache]: Analyzing trace with hash -1755444174, now seen corresponding path program 1 times [2019-10-15 03:05:25,573 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:25,573 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19873561] [2019-10-15 03:05:25,573 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:25,573 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:25,573 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:25,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:25,689 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 03:05:25,690 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19873561] [2019-10-15 03:05:25,690 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:25,690 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 03:05:25,690 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101220660] [2019-10-15 03:05:25,691 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 03:05:25,691 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:25,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 03:05:25,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 03:05:25,692 INFO L87 Difference]: Start difference. First operand 600 states and 775 transitions. Second operand 4 states. [2019-10-15 03:05:26,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:26,002 INFO L93 Difference]: Finished difference Result 650 states and 819 transitions. [2019-10-15 03:05:26,002 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-15 03:05:26,002 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 43 [2019-10-15 03:05:26,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:26,005 INFO L225 Difference]: With dead ends: 650 [2019-10-15 03:05:26,005 INFO L226 Difference]: Without dead ends: 461 [2019-10-15 03:05:26,007 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 03:05:26,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2019-10-15 03:05:26,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 442. [2019-10-15 03:05:26,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 442 states. [2019-10-15 03:05:26,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 551 transitions. [2019-10-15 03:05:26,032 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 551 transitions. Word has length 43 [2019-10-15 03:05:26,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:26,032 INFO L462 AbstractCegarLoop]: Abstraction has 442 states and 551 transitions. [2019-10-15 03:05:26,032 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 03:05:26,032 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 551 transitions. [2019-10-15 03:05:26,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-10-15 03:05:26,034 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:26,034 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:05:26,034 INFO L410 AbstractCegarLoop]: === Iteration 17 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:26,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:26,035 INFO L82 PathProgramCache]: Analyzing trace with hash 1072987595, now seen corresponding path program 1 times [2019-10-15 03:05:26,035 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:26,035 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005208839] [2019-10-15 03:05:26,035 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:26,036 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:26,036 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:26,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:26,089 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 03:05:26,089 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005208839] [2019-10-15 03:05:26,090 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:26,090 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 03:05:26,090 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507688126] [2019-10-15 03:05:26,091 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 03:05:26,091 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:26,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 03:05:26,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 03:05:26,091 INFO L87 Difference]: Start difference. First operand 442 states and 551 transitions. Second operand 5 states. [2019-10-15 03:05:26,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:26,134 INFO L93 Difference]: Finished difference Result 458 states and 566 transitions. [2019-10-15 03:05:26,135 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-15 03:05:26,135 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 41 [2019-10-15 03:05:26,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:26,137 INFO L225 Difference]: With dead ends: 458 [2019-10-15 03:05:26,138 INFO L226 Difference]: Without dead ends: 440 [2019-10-15 03:05:26,140 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 03:05:26,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2019-10-15 03:05:26,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 440. [2019-10-15 03:05:26,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 440 states. [2019-10-15 03:05:26,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 547 transitions. [2019-10-15 03:05:26,168 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 547 transitions. Word has length 41 [2019-10-15 03:05:26,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:26,169 INFO L462 AbstractCegarLoop]: Abstraction has 440 states and 547 transitions. [2019-10-15 03:05:26,169 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 03:05:26,169 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 547 transitions. [2019-10-15 03:05:26,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-15 03:05:26,170 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:26,171 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 03:05:26,171 INFO L410 AbstractCegarLoop]: === Iteration 18 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:26,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:26,171 INFO L82 PathProgramCache]: Analyzing trace with hash -1901639222, now seen corresponding path program 1 times [2019-10-15 03:05:26,172 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:26,172 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296981976] [2019-10-15 03:05:26,172 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:26,173 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:26,173 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:26,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:26,224 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 03:05:26,224 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296981976] [2019-10-15 03:05:26,224 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:26,225 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:05:26,225 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957455596] [2019-10-15 03:05:26,225 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:05:26,225 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:26,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:05:26,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:05:26,226 INFO L87 Difference]: Start difference. First operand 440 states and 547 transitions. Second operand 3 states. [2019-10-15 03:05:26,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:26,345 INFO L93 Difference]: Finished difference Result 601 states and 761 transitions. [2019-10-15 03:05:26,345 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:05:26,345 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2019-10-15 03:05:26,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:26,349 INFO L225 Difference]: With dead ends: 601 [2019-10-15 03:05:26,349 INFO L226 Difference]: Without dead ends: 589 [2019-10-15 03:05:26,352 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 03:05:26,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 589 states. [2019-10-15 03:05:26,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 589 to 489. [2019-10-15 03:05:26,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 489 states. [2019-10-15 03:05:26,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 607 transitions. [2019-10-15 03:05:26,384 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 607 transitions. Word has length 43 [2019-10-15 03:05:26,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:26,384 INFO L462 AbstractCegarLoop]: Abstraction has 489 states and 607 transitions. [2019-10-15 03:05:26,385 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:05:26,385 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 607 transitions. [2019-10-15 03:05:26,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-15 03:05:26,386 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:26,386 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 03:05:26,387 INFO L410 AbstractCegarLoop]: === Iteration 19 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:26,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:26,387 INFO L82 PathProgramCache]: Analyzing trace with hash -1050847397, now seen corresponding path program 1 times [2019-10-15 03:05:26,387 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:26,388 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117344780] [2019-10-15 03:05:26,388 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:26,388 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:26,389 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:26,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:26,448 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 03:05:26,449 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117344780] [2019-10-15 03:05:26,449 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:26,449 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:05:26,450 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660748515] [2019-10-15 03:05:26,450 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:05:26,450 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:26,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:05:26,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:05:26,451 INFO L87 Difference]: Start difference. First operand 489 states and 607 transitions. Second operand 3 states. [2019-10-15 03:05:26,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:26,532 INFO L93 Difference]: Finished difference Result 670 states and 839 transitions. [2019-10-15 03:05:26,532 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:05:26,532 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2019-10-15 03:05:26,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:26,537 INFO L225 Difference]: With dead ends: 670 [2019-10-15 03:05:26,538 INFO L226 Difference]: Without dead ends: 492 [2019-10-15 03:05:26,539 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 03:05:26,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492 states. [2019-10-15 03:05:26,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492 to 492. [2019-10-15 03:05:26,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 492 states. [2019-10-15 03:05:26,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 492 states and 611 transitions. [2019-10-15 03:05:26,569 INFO L78 Accepts]: Start accepts. Automaton has 492 states and 611 transitions. Word has length 51 [2019-10-15 03:05:26,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:26,570 INFO L462 AbstractCegarLoop]: Abstraction has 492 states and 611 transitions. [2019-10-15 03:05:26,570 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:05:26,570 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 611 transitions. [2019-10-15 03:05:26,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-10-15 03:05:26,571 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:26,571 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 03:05:26,571 INFO L410 AbstractCegarLoop]: === Iteration 20 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:26,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:26,572 INFO L82 PathProgramCache]: Analyzing trace with hash 1631605306, now seen corresponding path program 1 times [2019-10-15 03:05:26,572 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:26,572 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822136790] [2019-10-15 03:05:26,572 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:26,573 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:26,573 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:26,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:26,729 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 03:05:26,729 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822136790] [2019-10-15 03:05:26,729 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:26,730 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-15 03:05:26,730 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336020215] [2019-10-15 03:05:26,731 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-15 03:05:26,731 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:26,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-15 03:05:26,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-10-15 03:05:26,731 INFO L87 Difference]: Start difference. First operand 492 states and 611 transitions. Second operand 10 states. [2019-10-15 03:05:29,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:29,240 INFO L93 Difference]: Finished difference Result 617 states and 775 transitions. [2019-10-15 03:05:29,241 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-10-15 03:05:29,241 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 44 [2019-10-15 03:05:29,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:29,246 INFO L225 Difference]: With dead ends: 617 [2019-10-15 03:05:29,246 INFO L226 Difference]: Without dead ends: 606 [2019-10-15 03:05:29,247 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 03:05:29,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 606 states. [2019-10-15 03:05:29,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 606 to 530. [2019-10-15 03:05:29,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 530 states. [2019-10-15 03:05:29,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 530 states and 653 transitions. [2019-10-15 03:05:29,295 INFO L78 Accepts]: Start accepts. Automaton has 530 states and 653 transitions. Word has length 44 [2019-10-15 03:05:29,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:29,295 INFO L462 AbstractCegarLoop]: Abstraction has 530 states and 653 transitions. [2019-10-15 03:05:29,296 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-15 03:05:29,296 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 653 transitions. [2019-10-15 03:05:29,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-10-15 03:05:29,325 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:29,325 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 03:05:29,325 INFO L410 AbstractCegarLoop]: === Iteration 21 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:29,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:29,326 INFO L82 PathProgramCache]: Analyzing trace with hash 1620124305, now seen corresponding path program 1 times [2019-10-15 03:05:29,326 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:29,326 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974260300] [2019-10-15 03:05:29,326 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:29,327 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:29,327 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:29,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:29,415 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 03:05:29,416 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974260300] [2019-10-15 03:05:29,416 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:29,416 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 03:05:29,416 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052830417] [2019-10-15 03:05:29,416 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 03:05:29,416 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:29,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 03:05:29,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-15 03:05:29,417 INFO L87 Difference]: Start difference. First operand 530 states and 653 transitions. Second operand 7 states. [2019-10-15 03:05:30,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:30,396 INFO L93 Difference]: Finished difference Result 610 states and 753 transitions. [2019-10-15 03:05:30,396 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-15 03:05:30,396 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 44 [2019-10-15 03:05:30,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:30,399 INFO L225 Difference]: With dead ends: 610 [2019-10-15 03:05:30,399 INFO L226 Difference]: Without dead ends: 545 [2019-10-15 03:05:30,400 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2019-10-15 03:05:30,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2019-10-15 03:05:30,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 541. [2019-10-15 03:05:30,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 541 states. [2019-10-15 03:05:30,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 665 transitions. [2019-10-15 03:05:30,440 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 665 transitions. Word has length 44 [2019-10-15 03:05:30,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:30,440 INFO L462 AbstractCegarLoop]: Abstraction has 541 states and 665 transitions. [2019-10-15 03:05:30,440 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 03:05:30,440 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 665 transitions. [2019-10-15 03:05:30,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-10-15 03:05:30,442 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:30,442 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 03:05:30,442 INFO L410 AbstractCegarLoop]: === Iteration 22 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:30,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:30,443 INFO L82 PathProgramCache]: Analyzing trace with hash -1246355178, now seen corresponding path program 1 times [2019-10-15 03:05:30,443 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:30,443 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118175345] [2019-10-15 03:05:30,443 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:30,443 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:30,443 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:30,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:30,597 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 03:05:30,597 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118175345] [2019-10-15 03:05:30,598 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:30,598 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 03:05:30,598 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517988814] [2019-10-15 03:05:30,599 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 03:05:30,599 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:30,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 03:05:30,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-15 03:05:30,600 INFO L87 Difference]: Start difference. First operand 541 states and 665 transitions. Second operand 7 states. [2019-10-15 03:05:30,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:30,849 INFO L93 Difference]: Finished difference Result 570 states and 693 transitions. [2019-10-15 03:05:30,852 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 03:05:30,852 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 45 [2019-10-15 03:05:30,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:30,855 INFO L225 Difference]: With dead ends: 570 [2019-10-15 03:05:30,856 INFO L226 Difference]: Without dead ends: 549 [2019-10-15 03:05:30,856 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2019-10-15 03:05:30,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2019-10-15 03:05:30,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 536. [2019-10-15 03:05:30,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 536 states. [2019-10-15 03:05:30,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 648 transitions. [2019-10-15 03:05:30,890 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 648 transitions. Word has length 45 [2019-10-15 03:05:30,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:30,890 INFO L462 AbstractCegarLoop]: Abstraction has 536 states and 648 transitions. [2019-10-15 03:05:30,890 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 03:05:30,891 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 648 transitions. [2019-10-15 03:05:30,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-10-15 03:05:30,897 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:30,897 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 03:05:30,897 INFO L410 AbstractCegarLoop]: === Iteration 23 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:30,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:30,898 INFO L82 PathProgramCache]: Analyzing trace with hash -1857399340, now seen corresponding path program 1 times [2019-10-15 03:05:30,898 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:30,898 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645431214] [2019-10-15 03:05:30,899 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:30,899 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:30,899 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:30,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:31,095 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 03:05:31,095 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645431214] [2019-10-15 03:05:31,096 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:31,096 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-15 03:05:31,096 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180586304] [2019-10-15 03:05:31,099 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-15 03:05:31,100 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:31,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-15 03:05:31,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2019-10-15 03:05:31,101 INFO L87 Difference]: Start difference. First operand 536 states and 648 transitions. Second operand 9 states. [2019-10-15 03:05:32,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:32,834 INFO L93 Difference]: Finished difference Result 624 states and 744 transitions. [2019-10-15 03:05:32,837 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-15 03:05:32,837 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 45 [2019-10-15 03:05:32,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:32,841 INFO L225 Difference]: With dead ends: 624 [2019-10-15 03:05:32,841 INFO L226 Difference]: Without dead ends: 564 [2019-10-15 03:05:32,842 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=88, Invalid=292, Unknown=0, NotChecked=0, Total=380 [2019-10-15 03:05:32,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2019-10-15 03:05:32,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 501. [2019-10-15 03:05:32,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 501 states. [2019-10-15 03:05:32,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 501 states and 602 transitions. [2019-10-15 03:05:32,875 INFO L78 Accepts]: Start accepts. Automaton has 501 states and 602 transitions. Word has length 45 [2019-10-15 03:05:32,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:32,875 INFO L462 AbstractCegarLoop]: Abstraction has 501 states and 602 transitions. [2019-10-15 03:05:32,875 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-15 03:05:32,875 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 602 transitions. [2019-10-15 03:05:32,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-10-15 03:05:32,877 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:32,877 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 03:05:32,877 INFO L410 AbstractCegarLoop]: === Iteration 24 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:32,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:32,878 INFO L82 PathProgramCache]: Analyzing trace with hash 305885669, now seen corresponding path program 1 times [2019-10-15 03:05:32,878 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:32,878 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32385481] [2019-10-15 03:05:32,878 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:32,879 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:32,879 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:32,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:32,927 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 03:05:32,927 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32385481] [2019-10-15 03:05:32,927 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:32,928 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:05:32,928 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709032364] [2019-10-15 03:05:32,928 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:05:32,929 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:32,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:05:32,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:05:32,929 INFO L87 Difference]: Start difference. First operand 501 states and 602 transitions. Second operand 3 states. [2019-10-15 03:05:33,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:33,056 INFO L93 Difference]: Finished difference Result 587 states and 707 transitions. [2019-10-15 03:05:33,058 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:05:33,059 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2019-10-15 03:05:33,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:33,063 INFO L225 Difference]: With dead ends: 587 [2019-10-15 03:05:33,063 INFO L226 Difference]: Without dead ends: 569 [2019-10-15 03:05:33,064 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 03:05:33,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 569 states. [2019-10-15 03:05:33,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 569 to 521. [2019-10-15 03:05:33,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 521 states. [2019-10-15 03:05:33,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 626 transitions. [2019-10-15 03:05:33,102 INFO L78 Accepts]: Start accepts. Automaton has 521 states and 626 transitions. Word has length 45 [2019-10-15 03:05:33,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:33,102 INFO L462 AbstractCegarLoop]: Abstraction has 521 states and 626 transitions. [2019-10-15 03:05:33,102 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:05:33,102 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 626 transitions. [2019-10-15 03:05:33,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-15 03:05:33,104 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:33,104 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:05:33,105 INFO L410 AbstractCegarLoop]: === Iteration 25 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:33,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:33,105 INFO L82 PathProgramCache]: Analyzing trace with hash 909821056, now seen corresponding path program 1 times [2019-10-15 03:05:33,105 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:33,105 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678948146] [2019-10-15 03:05:33,106 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:33,106 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:33,106 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:33,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:33,259 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 03:05:33,260 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678948146] [2019-10-15 03:05:33,260 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:33,260 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 03:05:33,261 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631839762] [2019-10-15 03:05:33,261 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 03:05:33,261 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:33,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 03:05:33,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 03:05:33,262 INFO L87 Difference]: Start difference. First operand 521 states and 626 transitions. Second operand 5 states. [2019-10-15 03:05:33,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:33,319 INFO L93 Difference]: Finished difference Result 699 states and 855 transitions. [2019-10-15 03:05:33,320 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-15 03:05:33,320 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 53 [2019-10-15 03:05:33,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:33,323 INFO L225 Difference]: With dead ends: 699 [2019-10-15 03:05:33,324 INFO L226 Difference]: Without dead ends: 489 [2019-10-15 03:05:33,325 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 03:05:33,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2019-10-15 03:05:33,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 489. [2019-10-15 03:05:33,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 489 states. [2019-10-15 03:05:33,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 579 transitions. [2019-10-15 03:05:33,416 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 579 transitions. Word has length 53 [2019-10-15 03:05:33,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:33,417 INFO L462 AbstractCegarLoop]: Abstraction has 489 states and 579 transitions. [2019-10-15 03:05:33,417 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 03:05:33,417 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 579 transitions. [2019-10-15 03:05:33,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-15 03:05:33,421 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:33,422 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, 1] [2019-10-15 03:05:33,422 INFO L410 AbstractCegarLoop]: === Iteration 26 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:33,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:33,422 INFO L82 PathProgramCache]: Analyzing trace with hash 1345400191, now seen corresponding path program 1 times [2019-10-15 03:05:33,423 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:33,423 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519285921] [2019-10-15 03:05:33,423 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:33,423 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:33,423 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:33,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:33,595 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 03:05:33,596 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519285921] [2019-10-15 03:05:33,596 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:33,596 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-15 03:05:33,596 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621802717] [2019-10-15 03:05:33,597 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 03:05:33,597 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:33,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 03:05:33,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-15 03:05:33,598 INFO L87 Difference]: Start difference. First operand 489 states and 579 transitions. Second operand 8 states. [2019-10-15 03:05:33,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:33,826 INFO L93 Difference]: Finished difference Result 505 states and 595 transitions. [2019-10-15 03:05:33,826 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 03:05:33,826 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 46 [2019-10-15 03:05:33,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:33,829 INFO L225 Difference]: With dead ends: 505 [2019-10-15 03:05:33,829 INFO L226 Difference]: Without dead ends: 501 [2019-10-15 03:05:33,830 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-10-15 03:05:33,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2019-10-15 03:05:33,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 497. [2019-10-15 03:05:33,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 497 states. [2019-10-15 03:05:33,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 497 states and 587 transitions. [2019-10-15 03:05:33,872 INFO L78 Accepts]: Start accepts. Automaton has 497 states and 587 transitions. Word has length 46 [2019-10-15 03:05:33,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:33,872 INFO L462 AbstractCegarLoop]: Abstraction has 497 states and 587 transitions. [2019-10-15 03:05:33,872 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 03:05:33,873 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 587 transitions. [2019-10-15 03:05:33,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-15 03:05:33,874 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:33,875 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 03:05:33,875 INFO L410 AbstractCegarLoop]: === Iteration 27 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:33,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:33,875 INFO L82 PathProgramCache]: Analyzing trace with hash 1345123361, now seen corresponding path program 1 times [2019-10-15 03:05:33,876 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:33,876 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427804946] [2019-10-15 03:05:33,876 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:33,877 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:33,877 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:33,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:33,943 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 03:05:33,943 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427804946] [2019-10-15 03:05:33,944 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:33,944 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 03:05:33,944 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55035854] [2019-10-15 03:05:33,945 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 03:05:33,945 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:33,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 03:05:33,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 03:05:33,945 INFO L87 Difference]: Start difference. First operand 497 states and 587 transitions. Second operand 5 states. [2019-10-15 03:05:34,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:34,379 INFO L93 Difference]: Finished difference Result 512 states and 601 transitions. [2019-10-15 03:05:34,379 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-15 03:05:34,379 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 46 [2019-10-15 03:05:34,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:34,383 INFO L225 Difference]: With dead ends: 512 [2019-10-15 03:05:34,383 INFO L226 Difference]: Without dead ends: 494 [2019-10-15 03:05:34,384 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-10-15 03:05:34,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494 states. [2019-10-15 03:05:34,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 487. [2019-10-15 03:05:34,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 487 states. [2019-10-15 03:05:34,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 487 states and 575 transitions. [2019-10-15 03:05:34,414 INFO L78 Accepts]: Start accepts. Automaton has 487 states and 575 transitions. Word has length 46 [2019-10-15 03:05:34,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:34,414 INFO L462 AbstractCegarLoop]: Abstraction has 487 states and 575 transitions. [2019-10-15 03:05:34,415 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 03:05:34,415 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 575 transitions. [2019-10-15 03:05:34,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-15 03:05:34,416 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:34,416 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:05:34,416 INFO L410 AbstractCegarLoop]: === Iteration 28 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:34,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:34,417 INFO L82 PathProgramCache]: Analyzing trace with hash -903148805, now seen corresponding path program 1 times [2019-10-15 03:05:34,417 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:34,417 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673647975] [2019-10-15 03:05:34,417 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:34,417 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:34,417 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:34,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:34,524 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 03:05:34,524 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673647975] [2019-10-15 03:05:34,525 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:34,525 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-15 03:05:34,525 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493238829] [2019-10-15 03:05:34,525 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 03:05:34,526 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:34,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 03:05:34,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-15 03:05:34,526 INFO L87 Difference]: Start difference. First operand 487 states and 575 transitions. Second operand 8 states. [2019-10-15 03:05:34,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:34,625 INFO L93 Difference]: Finished difference Result 500 states and 587 transitions. [2019-10-15 03:05:34,626 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 03:05:34,626 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 47 [2019-10-15 03:05:34,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:34,630 INFO L225 Difference]: With dead ends: 500 [2019-10-15 03:05:34,630 INFO L226 Difference]: Without dead ends: 476 [2019-10-15 03:05:34,631 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-10-15 03:05:34,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2019-10-15 03:05:34,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 476. [2019-10-15 03:05:34,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 476 states. [2019-10-15 03:05:34,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 562 transitions. [2019-10-15 03:05:34,669 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 562 transitions. Word has length 47 [2019-10-15 03:05:34,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:34,669 INFO L462 AbstractCegarLoop]: Abstraction has 476 states and 562 transitions. [2019-10-15 03:05:34,669 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 03:05:34,669 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 562 transitions. [2019-10-15 03:05:34,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-15 03:05:34,671 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:34,671 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:05:34,671 INFO L410 AbstractCegarLoop]: === Iteration 29 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:34,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:34,671 INFO L82 PathProgramCache]: Analyzing trace with hash 1100389975, now seen corresponding path program 1 times [2019-10-15 03:05:34,672 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:34,672 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999644712] [2019-10-15 03:05:34,672 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:34,672 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:34,672 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:34,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:34,767 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 03:05:34,767 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999644712] [2019-10-15 03:05:34,768 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:34,768 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 03:05:34,768 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117180180] [2019-10-15 03:05:34,769 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 03:05:34,769 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:34,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 03:05:34,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 03:05:34,770 INFO L87 Difference]: Start difference. First operand 476 states and 562 transitions. Second operand 6 states. [2019-10-15 03:05:34,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:34,850 INFO L93 Difference]: Finished difference Result 505 states and 595 transitions. [2019-10-15 03:05:34,851 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 03:05:34,851 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 47 [2019-10-15 03:05:34,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:34,854 INFO L225 Difference]: With dead ends: 505 [2019-10-15 03:05:34,854 INFO L226 Difference]: Without dead ends: 478 [2019-10-15 03:05:34,855 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 03:05:34,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2019-10-15 03:05:34,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 478. [2019-10-15 03:05:34,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 478 states. [2019-10-15 03:05:34,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 564 transitions. [2019-10-15 03:05:34,889 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 564 transitions. Word has length 47 [2019-10-15 03:05:34,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:34,889 INFO L462 AbstractCegarLoop]: Abstraction has 478 states and 564 transitions. [2019-10-15 03:05:34,890 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 03:05:34,890 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 564 transitions. [2019-10-15 03:05:34,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-15 03:05:34,891 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:34,892 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 03:05:34,892 INFO L410 AbstractCegarLoop]: === Iteration 30 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:34,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:34,892 INFO L82 PathProgramCache]: Analyzing trace with hash -1633456135, now seen corresponding path program 1 times [2019-10-15 03:05:34,892 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:34,893 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586446865] [2019-10-15 03:05:34,893 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:34,893 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:34,893 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:34,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:34,962 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 03:05:34,962 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586446865] [2019-10-15 03:05:34,962 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:34,962 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 03:05:34,963 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977139897] [2019-10-15 03:05:34,963 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 03:05:34,963 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:34,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 03:05:34,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 03:05:34,964 INFO L87 Difference]: Start difference. First operand 478 states and 564 transitions. Second operand 5 states. [2019-10-15 03:05:35,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:35,369 INFO L93 Difference]: Finished difference Result 656 states and 787 transitions. [2019-10-15 03:05:35,369 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-15 03:05:35,369 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 57 [2019-10-15 03:05:35,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:35,372 INFO L225 Difference]: With dead ends: 656 [2019-10-15 03:05:35,373 INFO L226 Difference]: Without dead ends: 478 [2019-10-15 03:05:35,374 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 03:05:35,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2019-10-15 03:05:35,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 478. [2019-10-15 03:05:35,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 478 states. [2019-10-15 03:05:35,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 563 transitions. [2019-10-15 03:05:35,407 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 563 transitions. Word has length 57 [2019-10-15 03:05:35,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:35,408 INFO L462 AbstractCegarLoop]: Abstraction has 478 states and 563 transitions. [2019-10-15 03:05:35,408 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 03:05:35,408 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 563 transitions. [2019-10-15 03:05:35,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-10-15 03:05:35,410 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:35,410 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 03:05:35,410 INFO L410 AbstractCegarLoop]: === Iteration 31 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:35,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:35,411 INFO L82 PathProgramCache]: Analyzing trace with hash -1328924742, now seen corresponding path program 1 times [2019-10-15 03:05:35,411 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:35,411 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225117444] [2019-10-15 03:05:35,411 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:35,412 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:35,412 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:35,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:35,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:05:35,605 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225117444] [2019-10-15 03:05:35,605 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:35,605 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-15 03:05:35,605 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636369990] [2019-10-15 03:05:35,605 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 03:05:35,606 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:35,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 03:05:35,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-15 03:05:35,606 INFO L87 Difference]: Start difference. First operand 478 states and 563 transitions. Second operand 8 states. [2019-10-15 03:05:35,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:35,848 INFO L93 Difference]: Finished difference Result 492 states and 576 transitions. [2019-10-15 03:05:35,849 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 03:05:35,849 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 49 [2019-10-15 03:05:35,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:35,852 INFO L225 Difference]: With dead ends: 492 [2019-10-15 03:05:35,852 INFO L226 Difference]: Without dead ends: 474 [2019-10-15 03:05:35,853 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-10-15 03:05:35,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2019-10-15 03:05:35,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 474. [2019-10-15 03:05:35,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 474 states. [2019-10-15 03:05:35,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 474 states and 557 transitions. [2019-10-15 03:05:35,884 INFO L78 Accepts]: Start accepts. Automaton has 474 states and 557 transitions. Word has length 49 [2019-10-15 03:05:35,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:35,884 INFO L462 AbstractCegarLoop]: Abstraction has 474 states and 557 transitions. [2019-10-15 03:05:35,884 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 03:05:35,885 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 557 transitions. [2019-10-15 03:05:35,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-10-15 03:05:35,886 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:35,886 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:05:35,886 INFO L410 AbstractCegarLoop]: === Iteration 32 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:35,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:35,887 INFO L82 PathProgramCache]: Analyzing trace with hash -1913204380, now seen corresponding path program 1 times [2019-10-15 03:05:35,887 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:35,887 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463195060] [2019-10-15 03:05:35,887 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:35,888 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:35,888 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:35,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:36,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:05:36,130 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463195060] [2019-10-15 03:05:36,130 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:36,130 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 03:05:36,130 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50472884] [2019-10-15 03:05:36,131 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 03:05:36,131 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:36,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 03:05:36,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-15 03:05:36,132 INFO L87 Difference]: Start difference. First operand 474 states and 557 transitions. Second operand 7 states. [2019-10-15 03:05:36,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:36,458 INFO L93 Difference]: Finished difference Result 493 states and 577 transitions. [2019-10-15 03:05:36,458 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 03:05:36,458 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2019-10-15 03:05:36,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:36,461 INFO L225 Difference]: With dead ends: 493 [2019-10-15 03:05:36,461 INFO L226 Difference]: Without dead ends: 490 [2019-10-15 03:05:36,462 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-10-15 03:05:36,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 490 states. [2019-10-15 03:05:36,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 490 to 474. [2019-10-15 03:05:36,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 474 states. [2019-10-15 03:05:36,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 474 states and 557 transitions. [2019-10-15 03:05:36,498 INFO L78 Accepts]: Start accepts. Automaton has 474 states and 557 transitions. Word has length 58 [2019-10-15 03:05:36,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:36,498 INFO L462 AbstractCegarLoop]: Abstraction has 474 states and 557 transitions. [2019-10-15 03:05:36,498 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 03:05:36,498 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 557 transitions. [2019-10-15 03:05:36,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-15 03:05:36,500 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:36,500 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:05:36,500 INFO L410 AbstractCegarLoop]: === Iteration 33 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:36,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:36,501 INFO L82 PathProgramCache]: Analyzing trace with hash -1487745293, now seen corresponding path program 1 times [2019-10-15 03:05:36,501 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:36,501 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567864341] [2019-10-15 03:05:36,501 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:36,501 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:36,501 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:36,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:36,553 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 03:05:36,553 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567864341] [2019-10-15 03:05:36,554 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:36,554 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 03:05:36,554 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963436251] [2019-10-15 03:05:36,554 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 03:05:36,554 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:36,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 03:05:36,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 03:05:36,555 INFO L87 Difference]: Start difference. First operand 474 states and 557 transitions. Second operand 6 states. [2019-10-15 03:05:36,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:36,653 INFO L93 Difference]: Finished difference Result 503 states and 585 transitions. [2019-10-15 03:05:36,653 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 03:05:36,653 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 52 [2019-10-15 03:05:36,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:36,656 INFO L225 Difference]: With dead ends: 503 [2019-10-15 03:05:36,656 INFO L226 Difference]: Without dead ends: 481 [2019-10-15 03:05:36,656 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 03:05:36,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2019-10-15 03:05:36,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 469. [2019-10-15 03:05:36,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 469 states. [2019-10-15 03:05:36,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 551 transitions. [2019-10-15 03:05:36,689 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 551 transitions. Word has length 52 [2019-10-15 03:05:36,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:36,690 INFO L462 AbstractCegarLoop]: Abstraction has 469 states and 551 transitions. [2019-10-15 03:05:36,690 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 03:05:36,690 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 551 transitions. [2019-10-15 03:05:36,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-15 03:05:36,692 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:36,692 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 03:05:36,692 INFO L410 AbstractCegarLoop]: === Iteration 34 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:36,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:36,692 INFO L82 PathProgramCache]: Analyzing trace with hash -457860153, now seen corresponding path program 1 times [2019-10-15 03:05:36,693 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:36,693 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961658409] [2019-10-15 03:05:36,693 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:36,693 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:36,693 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:36,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:36,749 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 03:05:36,749 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961658409] [2019-10-15 03:05:36,750 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:36,750 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 03:05:36,750 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125305893] [2019-10-15 03:05:36,750 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 03:05:36,750 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:36,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 03:05:36,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 03:05:36,751 INFO L87 Difference]: Start difference. First operand 469 states and 551 transitions. Second operand 6 states. [2019-10-15 03:05:36,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:36,810 INFO L93 Difference]: Finished difference Result 481 states and 563 transitions. [2019-10-15 03:05:36,810 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 03:05:36,810 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 53 [2019-10-15 03:05:36,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:36,814 INFO L225 Difference]: With dead ends: 481 [2019-10-15 03:05:36,814 INFO L226 Difference]: Without dead ends: 454 [2019-10-15 03:05:36,815 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-15 03:05:36,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2019-10-15 03:05:36,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 452. [2019-10-15 03:05:36,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 452 states. [2019-10-15 03:05:36,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 530 transitions. [2019-10-15 03:05:36,904 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 530 transitions. Word has length 53 [2019-10-15 03:05:36,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:36,905 INFO L462 AbstractCegarLoop]: Abstraction has 452 states and 530 transitions. [2019-10-15 03:05:36,905 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 03:05:36,905 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 530 transitions. [2019-10-15 03:05:36,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-15 03:05:36,906 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:36,906 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 03:05:36,907 INFO L410 AbstractCegarLoop]: === Iteration 35 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:36,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:36,907 INFO L82 PathProgramCache]: Analyzing trace with hash -1733197131, now seen corresponding path program 1 times [2019-10-15 03:05:36,907 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:36,907 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289125095] [2019-10-15 03:05:36,908 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:36,908 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:36,908 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:36,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:37,032 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 03:05:37,033 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289125095] [2019-10-15 03:05:37,033 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:37,033 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 03:05:37,033 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995564144] [2019-10-15 03:05:37,034 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 03:05:37,034 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:37,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 03:05:37,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 03:05:37,034 INFO L87 Difference]: Start difference. First operand 452 states and 530 transitions. Second operand 5 states. [2019-10-15 03:05:37,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:37,462 INFO L93 Difference]: Finished difference Result 705 states and 841 transitions. [2019-10-15 03:05:37,462 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 03:05:37,463 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 57 [2019-10-15 03:05:37,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:37,468 INFO L225 Difference]: With dead ends: 705 [2019-10-15 03:05:37,471 INFO L226 Difference]: Without dead ends: 533 [2019-10-15 03:05:37,473 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-15 03:05:37,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 533 states. [2019-10-15 03:05:37,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 533 to 502. [2019-10-15 03:05:37,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 502 states. [2019-10-15 03:05:37,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 502 states and 592 transitions. [2019-10-15 03:05:37,532 INFO L78 Accepts]: Start accepts. Automaton has 502 states and 592 transitions. Word has length 57 [2019-10-15 03:05:37,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:37,533 INFO L462 AbstractCegarLoop]: Abstraction has 502 states and 592 transitions. [2019-10-15 03:05:37,533 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 03:05:37,534 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 592 transitions. [2019-10-15 03:05:37,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-15 03:05:37,545 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:37,545 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:05:37,545 INFO L410 AbstractCegarLoop]: === Iteration 36 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:37,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:37,546 INFO L82 PathProgramCache]: Analyzing trace with hash 838098221, now seen corresponding path program 1 times [2019-10-15 03:05:37,546 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:37,546 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948382294] [2019-10-15 03:05:37,546 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:37,547 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:37,547 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:37,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:37,752 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 03:05:37,753 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948382294] [2019-10-15 03:05:37,753 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:37,753 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-15 03:05:37,754 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278168642] [2019-10-15 03:05:37,754 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-15 03:05:37,755 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:37,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-15 03:05:37,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-15 03:05:37,755 INFO L87 Difference]: Start difference. First operand 502 states and 592 transitions. Second operand 9 states. [2019-10-15 03:05:38,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:38,080 INFO L93 Difference]: Finished difference Result 517 states and 606 transitions. [2019-10-15 03:05:38,080 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-15 03:05:38,080 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 52 [2019-10-15 03:05:38,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:38,084 INFO L225 Difference]: With dead ends: 517 [2019-10-15 03:05:38,085 INFO L226 Difference]: Without dead ends: 498 [2019-10-15 03:05:38,086 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 03:05:38,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 498 states. [2019-10-15 03:05:38,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 498 to 498. [2019-10-15 03:05:38,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 498 states. [2019-10-15 03:05:38,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 586 transitions. [2019-10-15 03:05:38,141 INFO L78 Accepts]: Start accepts. Automaton has 498 states and 586 transitions. Word has length 52 [2019-10-15 03:05:38,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:38,142 INFO L462 AbstractCegarLoop]: Abstraction has 498 states and 586 transitions. [2019-10-15 03:05:38,142 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-15 03:05:38,142 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 586 transitions. [2019-10-15 03:05:38,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-15 03:05:38,144 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:38,145 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:05:38,145 INFO L410 AbstractCegarLoop]: === Iteration 37 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:38,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:38,146 INFO L82 PathProgramCache]: Analyzing trace with hash 1594848538, now seen corresponding path program 1 times [2019-10-15 03:05:38,146 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:38,146 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603727719] [2019-10-15 03:05:38,146 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:38,147 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:38,147 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:38,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:38,338 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 03:05:38,339 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603727719] [2019-10-15 03:05:38,339 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:38,339 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-15 03:05:38,340 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506111416] [2019-10-15 03:05:38,341 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-15 03:05:38,341 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:38,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-15 03:05:38,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-15 03:05:38,344 INFO L87 Difference]: Start difference. First operand 498 states and 586 transitions. Second operand 9 states. [2019-10-15 03:05:38,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:38,573 INFO L93 Difference]: Finished difference Result 513 states and 600 transitions. [2019-10-15 03:05:38,573 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-15 03:05:38,573 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 52 [2019-10-15 03:05:38,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:38,576 INFO L225 Difference]: With dead ends: 513 [2019-10-15 03:05:38,576 INFO L226 Difference]: Without dead ends: 494 [2019-10-15 03:05:38,578 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 03:05:38,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494 states. [2019-10-15 03:05:38,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 494. [2019-10-15 03:05:38,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 494 states. [2019-10-15 03:05:38,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 580 transitions. [2019-10-15 03:05:38,617 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 580 transitions. Word has length 52 [2019-10-15 03:05:38,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:38,618 INFO L462 AbstractCegarLoop]: Abstraction has 494 states and 580 transitions. [2019-10-15 03:05:38,618 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-15 03:05:38,618 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 580 transitions. [2019-10-15 03:05:38,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-15 03:05:38,619 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:38,620 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 03:05:38,620 INFO L410 AbstractCegarLoop]: === Iteration 38 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:38,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:38,620 INFO L82 PathProgramCache]: Analyzing trace with hash 1542682953, now seen corresponding path program 1 times [2019-10-15 03:05:38,621 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:38,621 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095567202] [2019-10-15 03:05:38,621 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:38,621 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:38,621 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:38,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:38,745 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 03:05:38,746 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095567202] [2019-10-15 03:05:38,746 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:38,746 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-15 03:05:38,746 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963266168] [2019-10-15 03:05:38,747 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-15 03:05:38,747 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:38,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-15 03:05:38,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-15 03:05:38,748 INFO L87 Difference]: Start difference. First operand 494 states and 580 transitions. Second operand 9 states. [2019-10-15 03:05:39,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:39,007 INFO L93 Difference]: Finished difference Result 509 states and 594 transitions. [2019-10-15 03:05:39,007 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-15 03:05:39,007 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 53 [2019-10-15 03:05:39,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:39,010 INFO L225 Difference]: With dead ends: 509 [2019-10-15 03:05:39,010 INFO L226 Difference]: Without dead ends: 490 [2019-10-15 03:05:39,010 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2019-10-15 03:05:39,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 490 states. [2019-10-15 03:05:39,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 490 to 490. [2019-10-15 03:05:39,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 490 states. [2019-10-15 03:05:39,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 490 states and 574 transitions. [2019-10-15 03:05:39,048 INFO L78 Accepts]: Start accepts. Automaton has 490 states and 574 transitions. Word has length 53 [2019-10-15 03:05:39,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:39,049 INFO L462 AbstractCegarLoop]: Abstraction has 490 states and 574 transitions. [2019-10-15 03:05:39,049 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-15 03:05:39,049 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 574 transitions. [2019-10-15 03:05:39,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-10-15 03:05:39,050 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:39,050 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:05:39,051 INFO L410 AbstractCegarLoop]: === Iteration 39 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:39,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:39,051 INFO L82 PathProgramCache]: Analyzing trace with hash -1273072073, now seen corresponding path program 1 times [2019-10-15 03:05:39,051 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:39,051 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902619879] [2019-10-15 03:05:39,052 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:39,052 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:39,052 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:39,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:39,146 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 03:05:39,147 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902619879] [2019-10-15 03:05:39,147 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:39,147 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 03:05:39,147 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031287132] [2019-10-15 03:05:39,148 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 03:05:39,148 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:39,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 03:05:39,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 03:05:39,148 INFO L87 Difference]: Start difference. First operand 490 states and 574 transitions. Second operand 5 states. [2019-10-15 03:05:39,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:39,192 INFO L93 Difference]: Finished difference Result 511 states and 593 transitions. [2019-10-15 03:05:39,192 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-15 03:05:39,193 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 56 [2019-10-15 03:05:39,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:39,195 INFO L225 Difference]: With dead ends: 511 [2019-10-15 03:05:39,195 INFO L226 Difference]: Without dead ends: 488 [2019-10-15 03:05:39,196 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 03:05:39,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2019-10-15 03:05:39,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 485. [2019-10-15 03:05:39,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 485 states. [2019-10-15 03:05:39,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 485 states and 567 transitions. [2019-10-15 03:05:39,232 INFO L78 Accepts]: Start accepts. Automaton has 485 states and 567 transitions. Word has length 56 [2019-10-15 03:05:39,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:39,233 INFO L462 AbstractCegarLoop]: Abstraction has 485 states and 567 transitions. [2019-10-15 03:05:39,233 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 03:05:39,233 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 567 transitions. [2019-10-15 03:05:39,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-10-15 03:05:39,235 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:39,235 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:05:39,235 INFO L410 AbstractCegarLoop]: === Iteration 40 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:39,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:39,236 INFO L82 PathProgramCache]: Analyzing trace with hash 63394735, now seen corresponding path program 1 times [2019-10-15 03:05:39,236 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:39,236 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084512743] [2019-10-15 03:05:39,236 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:39,236 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:39,237 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:39,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:39,363 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 03:05:39,363 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084512743] [2019-10-15 03:05:39,363 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:39,363 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-15 03:05:39,363 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932564851] [2019-10-15 03:05:39,365 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-15 03:05:39,366 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:39,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-15 03:05:39,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-15 03:05:39,366 INFO L87 Difference]: Start difference. First operand 485 states and 567 transitions. Second operand 9 states. [2019-10-15 03:05:39,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:39,672 INFO L93 Difference]: Finished difference Result 500 states and 581 transitions. [2019-10-15 03:05:39,673 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-15 03:05:39,673 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 56 [2019-10-15 03:05:39,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:39,680 INFO L225 Difference]: With dead ends: 500 [2019-10-15 03:05:39,680 INFO L226 Difference]: Without dead ends: 468 [2019-10-15 03:05:39,681 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2019-10-15 03:05:39,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 468 states. [2019-10-15 03:05:39,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 468 to 468. [2019-10-15 03:05:39,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 468 states. [2019-10-15 03:05:39,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 546 transitions. [2019-10-15 03:05:39,739 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 546 transitions. Word has length 56 [2019-10-15 03:05:39,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:39,740 INFO L462 AbstractCegarLoop]: Abstraction has 468 states and 546 transitions. [2019-10-15 03:05:39,740 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-15 03:05:39,740 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 546 transitions. [2019-10-15 03:05:39,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-10-15 03:05:39,741 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:39,741 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:05:39,742 INFO L410 AbstractCegarLoop]: === Iteration 41 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:39,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:39,742 INFO L82 PathProgramCache]: Analyzing trace with hash 1940722786, now seen corresponding path program 1 times [2019-10-15 03:05:39,743 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:39,743 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672730124] [2019-10-15 03:05:39,743 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:39,743 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:39,743 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:39,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:39,974 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 03:05:39,975 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672730124] [2019-10-15 03:05:39,975 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:39,975 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-15 03:05:39,975 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731723185] [2019-10-15 03:05:39,976 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 03:05:39,976 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:39,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 03:05:39,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-15 03:05:39,977 INFO L87 Difference]: Start difference. First operand 468 states and 546 transitions. Second operand 8 states. [2019-10-15 03:05:40,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:40,300 INFO L93 Difference]: Finished difference Result 479 states and 556 transitions. [2019-10-15 03:05:40,301 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 03:05:40,301 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 56 [2019-10-15 03:05:40,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:40,305 INFO L225 Difference]: With dead ends: 479 [2019-10-15 03:05:40,305 INFO L226 Difference]: Without dead ends: 459 [2019-10-15 03:05:40,306 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-10-15 03:05:40,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 459 states. [2019-10-15 03:05:40,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 459 to 459. [2019-10-15 03:05:40,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 459 states. [2019-10-15 03:05:40,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 535 transitions. [2019-10-15 03:05:40,352 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 535 transitions. Word has length 56 [2019-10-15 03:05:40,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:40,353 INFO L462 AbstractCegarLoop]: Abstraction has 459 states and 535 transitions. [2019-10-15 03:05:40,353 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 03:05:40,353 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 535 transitions. [2019-10-15 03:05:40,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-10-15 03:05:40,355 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:40,355 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 03:05:40,356 INFO L410 AbstractCegarLoop]: === Iteration 42 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:40,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:40,356 INFO L82 PathProgramCache]: Analyzing trace with hash -259612304, now seen corresponding path program 1 times [2019-10-15 03:05:40,356 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:40,357 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509941845] [2019-10-15 03:05:40,357 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:40,357 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:40,358 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:40,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:40,599 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 03:05:40,600 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509941845] [2019-10-15 03:05:40,600 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:40,600 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-15 03:05:40,600 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40129177] [2019-10-15 03:05:40,601 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-15 03:05:40,601 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:40,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-15 03:05:40,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2019-10-15 03:05:40,601 INFO L87 Difference]: Start difference. First operand 459 states and 535 transitions. Second operand 10 states. [2019-10-15 03:05:41,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:41,558 INFO L93 Difference]: Finished difference Result 493 states and 569 transitions. [2019-10-15 03:05:41,558 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-15 03:05:41,559 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 66 [2019-10-15 03:05:41,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:41,561 INFO L225 Difference]: With dead ends: 493 [2019-10-15 03:05:41,561 INFO L226 Difference]: Without dead ends: 457 [2019-10-15 03:05:41,561 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 03:05:41,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2019-10-15 03:05:41,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 457. [2019-10-15 03:05:41,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 457 states. [2019-10-15 03:05:41,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 457 states and 530 transitions. [2019-10-15 03:05:41,597 INFO L78 Accepts]: Start accepts. Automaton has 457 states and 530 transitions. Word has length 66 [2019-10-15 03:05:41,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:41,599 INFO L462 AbstractCegarLoop]: Abstraction has 457 states and 530 transitions. [2019-10-15 03:05:41,599 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-15 03:05:41,599 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 530 transitions. [2019-10-15 03:05:41,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-10-15 03:05:41,601 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:41,601 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 03:05:41,601 INFO L410 AbstractCegarLoop]: === Iteration 43 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:41,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:41,602 INFO L82 PathProgramCache]: Analyzing trace with hash 157821587, now seen corresponding path program 1 times [2019-10-15 03:05:41,602 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:41,602 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785387601] [2019-10-15 03:05:41,602 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:41,602 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:41,603 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:41,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:41,712 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 03:05:41,712 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785387601] [2019-10-15 03:05:41,712 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:41,712 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 03:05:41,713 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203630055] [2019-10-15 03:05:41,713 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 03:05:41,713 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:41,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 03:05:41,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 03:05:41,714 INFO L87 Difference]: Start difference. First operand 457 states and 530 transitions. Second operand 6 states. [2019-10-15 03:05:41,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:41,772 INFO L93 Difference]: Finished difference Result 462 states and 534 transitions. [2019-10-15 03:05:41,773 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 03:05:41,773 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 59 [2019-10-15 03:05:41,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:41,776 INFO L225 Difference]: With dead ends: 462 [2019-10-15 03:05:41,776 INFO L226 Difference]: Without dead ends: 410 [2019-10-15 03:05:41,777 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 03:05:41,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2019-10-15 03:05:41,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 410. [2019-10-15 03:05:41,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 410 states. [2019-10-15 03:05:41,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 474 transitions. [2019-10-15 03:05:41,822 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 474 transitions. Word has length 59 [2019-10-15 03:05:41,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:41,824 INFO L462 AbstractCegarLoop]: Abstraction has 410 states and 474 transitions. [2019-10-15 03:05:41,825 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 03:05:41,825 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 474 transitions. [2019-10-15 03:05:41,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-10-15 03:05:41,827 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:41,827 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:05:41,828 INFO L410 AbstractCegarLoop]: === Iteration 44 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:41,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:41,828 INFO L82 PathProgramCache]: Analyzing trace with hash -237484545, now seen corresponding path program 1 times [2019-10-15 03:05:41,828 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:41,829 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610820324] [2019-10-15 03:05:41,829 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:41,829 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:41,829 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:41,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:42,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:05:42,025 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610820324] [2019-10-15 03:05:42,026 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:42,026 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-15 03:05:42,026 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393859973] [2019-10-15 03:05:42,029 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 03:05:42,030 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:42,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 03:05:42,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-10-15 03:05:42,030 INFO L87 Difference]: Start difference. First operand 410 states and 474 transitions. Second operand 8 states. [2019-10-15 03:05:42,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:42,868 INFO L93 Difference]: Finished difference Result 492 states and 583 transitions. [2019-10-15 03:05:42,869 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-15 03:05:42,869 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 67 [2019-10-15 03:05:42,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:42,872 INFO L225 Difference]: With dead ends: 492 [2019-10-15 03:05:42,872 INFO L226 Difference]: Without dead ends: 488 [2019-10-15 03:05:42,872 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 03:05:42,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2019-10-15 03:05:42,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 410. [2019-10-15 03:05:42,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 410 states. [2019-10-15 03:05:42,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 474 transitions. [2019-10-15 03:05:42,908 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 474 transitions. Word has length 67 [2019-10-15 03:05:42,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:42,908 INFO L462 AbstractCegarLoop]: Abstraction has 410 states and 474 transitions. [2019-10-15 03:05:42,908 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 03:05:42,909 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 474 transitions. [2019-10-15 03:05:42,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-10-15 03:05:42,910 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:42,910 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 03:05:42,910 INFO L410 AbstractCegarLoop]: === Iteration 45 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:42,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:42,911 INFO L82 PathProgramCache]: Analyzing trace with hash 597157261, now seen corresponding path program 1 times [2019-10-15 03:05:42,911 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:42,911 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277828139] [2019-10-15 03:05:42,911 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:42,911 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:42,912 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:42,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:43,019 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 03:05:43,020 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277828139] [2019-10-15 03:05:43,020 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:43,020 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 03:05:43,020 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550016908] [2019-10-15 03:05:43,021 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 03:05:43,022 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:43,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 03:05:43,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 03:05:43,023 INFO L87 Difference]: Start difference. First operand 410 states and 474 transitions. Second operand 5 states. [2019-10-15 03:05:43,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:43,704 INFO L93 Difference]: Finished difference Result 708 states and 800 transitions. [2019-10-15 03:05:43,705 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 03:05:43,705 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 62 [2019-10-15 03:05:43,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:43,708 INFO L225 Difference]: With dead ends: 708 [2019-10-15 03:05:43,708 INFO L226 Difference]: Without dead ends: 445 [2019-10-15 03:05:43,710 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 03:05:43,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2019-10-15 03:05:43,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 425. [2019-10-15 03:05:43,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 425 states. [2019-10-15 03:05:43,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 483 transitions. [2019-10-15 03:05:43,768 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 483 transitions. Word has length 62 [2019-10-15 03:05:43,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:43,769 INFO L462 AbstractCegarLoop]: Abstraction has 425 states and 483 transitions. [2019-10-15 03:05:43,769 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 03:05:43,769 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 483 transitions. [2019-10-15 03:05:43,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-10-15 03:05:43,771 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:43,771 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:05:43,771 INFO L410 AbstractCegarLoop]: === Iteration 46 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:43,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:43,772 INFO L82 PathProgramCache]: Analyzing trace with hash 509313900, now seen corresponding path program 1 times [2019-10-15 03:05:43,772 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:43,772 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908772694] [2019-10-15 03:05:43,772 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:43,773 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:43,773 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:43,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:43,839 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 03:05:43,840 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908772694] [2019-10-15 03:05:43,840 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:43,840 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 03:05:43,841 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183103883] [2019-10-15 03:05:43,841 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 03:05:43,841 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:43,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 03:05:43,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 03:05:43,842 INFO L87 Difference]: Start difference. First operand 425 states and 483 transitions. Second operand 5 states. [2019-10-15 03:05:43,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:43,888 INFO L93 Difference]: Finished difference Result 464 states and 521 transitions. [2019-10-15 03:05:43,888 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-15 03:05:43,889 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2019-10-15 03:05:43,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:43,891 INFO L225 Difference]: With dead ends: 464 [2019-10-15 03:05:43,891 INFO L226 Difference]: Without dead ends: 425 [2019-10-15 03:05:43,892 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 03:05:43,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2019-10-15 03:05:43,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 425. [2019-10-15 03:05:43,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 425 states. [2019-10-15 03:05:43,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 482 transitions. [2019-10-15 03:05:43,967 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 482 transitions. Word has length 65 [2019-10-15 03:05:43,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:43,968 INFO L462 AbstractCegarLoop]: Abstraction has 425 states and 482 transitions. [2019-10-15 03:05:43,968 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 03:05:43,968 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 482 transitions. [2019-10-15 03:05:43,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-10-15 03:05:43,970 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:43,970 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:05:43,970 INFO L410 AbstractCegarLoop]: === Iteration 47 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:43,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:43,970 INFO L82 PathProgramCache]: Analyzing trace with hash 829236696, now seen corresponding path program 1 times [2019-10-15 03:05:43,971 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:43,971 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37206534] [2019-10-15 03:05:43,971 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:43,971 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:43,971 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:43,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:44,135 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 03:05:44,135 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37206534] [2019-10-15 03:05:44,135 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:44,136 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 03:05:44,136 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352693198] [2019-10-15 03:05:44,136 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 03:05:44,136 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:44,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 03:05:44,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-15 03:05:44,137 INFO L87 Difference]: Start difference. First operand 425 states and 482 transitions. Second operand 7 states. [2019-10-15 03:05:44,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:44,297 INFO L93 Difference]: Finished difference Result 442 states and 498 transitions. [2019-10-15 03:05:44,298 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 03:05:44,298 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 74 [2019-10-15 03:05:44,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:44,300 INFO L225 Difference]: With dead ends: 442 [2019-10-15 03:05:44,301 INFO L226 Difference]: Without dead ends: 423 [2019-10-15 03:05:44,301 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2019-10-15 03:05:44,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2019-10-15 03:05:44,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 384. [2019-10-15 03:05:44,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 384 states. [2019-10-15 03:05:44,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 430 transitions. [2019-10-15 03:05:44,338 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 430 transitions. Word has length 74 [2019-10-15 03:05:44,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:44,339 INFO L462 AbstractCegarLoop]: Abstraction has 384 states and 430 transitions. [2019-10-15 03:05:44,339 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 03:05:44,339 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 430 transitions. [2019-10-15 03:05:44,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-10-15 03:05:44,341 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:44,342 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:05:44,342 INFO L410 AbstractCegarLoop]: === Iteration 48 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:44,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:44,342 INFO L82 PathProgramCache]: Analyzing trace with hash -438459579, now seen corresponding path program 1 times [2019-10-15 03:05:44,342 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:44,342 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656985311] [2019-10-15 03:05:44,343 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:44,343 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:44,343 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:44,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:05:44,468 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 03:05:44,469 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656985311] [2019-10-15 03:05:44,470 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:05:44,470 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-15 03:05:44,470 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738302908] [2019-10-15 03:05:44,471 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-15 03:05:44,471 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:05:44,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-15 03:05:44,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2019-10-15 03:05:44,472 INFO L87 Difference]: Start difference. First operand 384 states and 430 transitions. Second operand 10 states. [2019-10-15 03:05:45,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:05:45,229 INFO L93 Difference]: Finished difference Result 500 states and 559 transitions. [2019-10-15 03:05:45,229 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-15 03:05:45,230 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 75 [2019-10-15 03:05:45,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:05:45,232 INFO L225 Difference]: With dead ends: 500 [2019-10-15 03:05:45,232 INFO L226 Difference]: Without dead ends: 356 [2019-10-15 03:05:45,233 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2019-10-15 03:05:45,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2019-10-15 03:05:45,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 352. [2019-10-15 03:05:45,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 352 states. [2019-10-15 03:05:45,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 391 transitions. [2019-10-15 03:05:45,265 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 391 transitions. Word has length 75 [2019-10-15 03:05:45,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:05:45,266 INFO L462 AbstractCegarLoop]: Abstraction has 352 states and 391 transitions. [2019-10-15 03:05:45,266 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-15 03:05:45,266 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 391 transitions. [2019-10-15 03:05:45,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-10-15 03:05:45,267 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:05:45,267 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:05:45,268 INFO L410 AbstractCegarLoop]: === Iteration 49 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:05:45,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:05:45,268 INFO L82 PathProgramCache]: Analyzing trace with hash 920929394, now seen corresponding path program 1 times [2019-10-15 03:05:45,268 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:05:45,268 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650490948] [2019-10-15 03:05:45,269 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:45,269 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:05:45,269 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:05:45,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-15 03:05:45,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-15 03:05:45,396 INFO L168 tionRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-10-15 03:05:45,397 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-10-15 03:05:45,571 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 03:05:45 BoogieIcfgContainer [2019-10-15 03:05:45,572 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-15 03:05:45,574 INFO L168 Benchmark]: Toolchain (without parser) took 31589.62 ms. Allocated memory was 137.4 MB in the beginning and 554.7 MB in the end (delta: 417.3 MB). Free memory was 99.9 MB in the beginning and 228.9 MB in the end (delta: -129.0 MB). Peak memory consumption was 288.3 MB. Max. memory is 7.1 GB. [2019-10-15 03:05:45,575 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 137.4 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-15 03:05:45,576 INFO L168 Benchmark]: CACSL2BoogieTranslator took 900.09 ms. Allocated memory was 137.4 MB in the beginning and 201.9 MB in the end (delta: 64.5 MB). Free memory was 99.6 MB in the beginning and 165.1 MB in the end (delta: -65.4 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. [2019-10-15 03:05:45,576 INFO L168 Benchmark]: Boogie Preprocessor took 156.12 ms. Allocated memory is still 201.9 MB. Free memory was 165.1 MB in the beginning and 160.7 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-10-15 03:05:45,577 INFO L168 Benchmark]: RCFGBuilder took 2530.80 ms. Allocated memory was 201.9 MB in the beginning and 230.7 MB in the end (delta: 28.8 MB). Free memory was 160.7 MB in the beginning and 101.0 MB in the end (delta: 59.7 MB). Peak memory consumption was 88.5 MB. Max. memory is 7.1 GB. [2019-10-15 03:05:45,581 INFO L168 Benchmark]: TraceAbstraction took 27997.76 ms. Allocated memory was 230.7 MB in the beginning and 554.7 MB in the end (delta: 324.0 MB). Free memory was 101.0 MB in the beginning and 228.9 MB in the end (delta: -127.8 MB). Peak memory consumption was 196.2 MB. Max. memory is 7.1 GB. [2019-10-15 03:05:45,584 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 137.4 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 900.09 ms. Allocated memory was 137.4 MB in the beginning and 201.9 MB in the end (delta: 64.5 MB). Free memory was 99.6 MB in the beginning and 165.1 MB in the end (delta: -65.4 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 156.12 ms. Allocated memory is still 201.9 MB. Free memory was 165.1 MB in the beginning and 160.7 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2530.80 ms. Allocated memory was 201.9 MB in the beginning and 230.7 MB in the end (delta: 28.8 MB). Free memory was 160.7 MB in the beginning and 101.0 MB in the end (delta: 59.7 MB). Peak memory consumption was 88.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 27997.76 ms. Allocated memory was 230.7 MB in the beginning and 554.7 MB in the end (delta: 324.0 MB). Free memory was 101.0 MB in the beginning and 228.9 MB in the end (delta: -127.8 MB). Peak memory consumption was 196.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1626]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L41] int FloppyThread ; [L42] int KernelMode ; [L43] int Suspended ; [L44] int Executive ; [L45] int DiskController ; [L46] int FloppyDiskPeripheral ; [L47] int FlConfigCallBack ; [L48] int MaximumInterfaceType ; [L49] int MOUNTDEV_MOUNTED_DEVICE_GUID ; [L50] int myStatus ; [L51] int s ; [L52] int UNLOADED ; [L53] int NP ; [L54] int DC ; [L55] int SKIP1 ; [L56] int SKIP2 ; [L57] int MPR1 ; [L58] int MPR3 ; [L59] int IPC ; [L60] int pended ; [L61] int compRegistered ; [L62] int lowerDriverReturn ; [L63] int setEventCalled ; [L64] int customIrp ; [L87] int PagingReferenceCount = 0; [L88] int PagingMutex = 0; [L667] int status ; [L668] int irp = __VERIFIER_nondet_int() ; [L669] int pirp ; [L670] int pirp__IoStatus__Status ; [L671] int irp_choice = __VERIFIER_nondet_int() ; [L672] int devobj = __VERIFIER_nondet_int() ; [L673] int __cil_tmp8 ; [L675] FloppyThread = 0 [L676] KernelMode = 0 [L677] Suspended = 0 [L678] Executive = 0 [L679] DiskController = 0 [L680] FloppyDiskPeripheral = 0 [L681] FlConfigCallBack = 0 [L682] MaximumInterfaceType = 0 [L683] MOUNTDEV_MOUNTED_DEVICE_GUID = 0 [L684] myStatus = 0 [L685] s = 0 [L686] UNLOADED = 0 [L687] NP = 0 [L688] DC = 0 [L689] SKIP1 = 0 [L690] SKIP2 = 0 [L691] MPR1 = 0 [L692] MPR3 = 0 [L693] IPC = 0 [L694] pended = 0 [L695] compRegistered = 0 [L696] lowerDriverReturn = 0 [L697] setEventCalled = 0 [L698] customIrp = 0 [L702] status = 0 [L703] pirp = irp VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=0, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=0, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=0, MPR3=0, myStatus=0, NP=0, PagingMutex=0, PagingReferenceCount=0, pended=0, pirp=0, s=0, setEventCalled=0, SKIP1=0, SKIP2=0, status=0, Suspended=0, UNLOADED=0] [L704] CALL _BLAST_init() VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=0, MPR3=0, myStatus=0, NP=0, PagingMutex=0, PagingReferenceCount=0, pended=0, s=0, setEventCalled=0, SKIP1=0, SKIP2=0, Suspended=0, UNLOADED=0] [L70] UNLOADED = 0 [L71] NP = 1 [L72] DC = 2 [L73] SKIP1 = 3 [L74] SKIP2 = 4 [L75] MPR1 = 5 [L76] MPR3 = 6 [L77] IPC = 7 [L78] s = UNLOADED [L79] pended = 0 [L80] compRegistered = 0 [L81] lowerDriverReturn = 0 [L82] setEventCalled = 0 [L83] customIrp = 0 [L704] RET _BLAST_init() VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, pirp=0, s=0, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, UNLOADED=0] [L706] COND TRUE status >= 0 [L707] s = NP [L708] customIrp = 0 [L709] setEventCalled = customIrp [L710] lowerDriverReturn = setEventCalled [L711] compRegistered = lowerDriverReturn [L712] pended = compRegistered [L713] pirp__IoStatus__Status = 0 [L714] myStatus = 0 [L715] COND TRUE irp_choice == 0 [L716] pirp__IoStatus__Status = -1073741637 [L717] myStatus = -1073741637 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, pirp=0, pirp__IoStatus__Status=-1073741637, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, UNLOADED=0] [L720] CALL stub_driver_init() VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L657] s = NP [L658] pended = 0 [L659] compRegistered = 0 [L660] lowerDriverReturn = 0 [L661] setEventCalled = 0 [L662] customIrp = 0 [L720] RET stub_driver_init() VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, pirp=0, pirp__IoStatus__Status=-1073741637, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, UNLOADED=0] [L723] COND FALSE !(status < 0) [L727] int tmp_ndt_1; [L728] tmp_ndt_1 = __VERIFIER_nondet_int() [L729] COND FALSE !(tmp_ndt_1 == 0) [L732] int tmp_ndt_2; [L733] tmp_ndt_2 = __VERIFIER_nondet_int() [L734] COND FALSE !(tmp_ndt_2 == 1) [L737] int tmp_ndt_3; [L738] tmp_ndt_3 = __VERIFIER_nondet_int() [L739] COND FALSE !(tmp_ndt_3 == 2) [L742] int tmp_ndt_4; [L743] tmp_ndt_4 = __VERIFIER_nondet_int() [L744] COND TRUE tmp_ndt_4 == 3 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, pirp=0, pirp__IoStatus__Status=-1073741637, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0] [L766] CALL, EXPR FloppyPnp(devobj, pirp) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L160] int DeviceObject__DeviceExtension = __VERIFIER_nondet_int() ; [L161] int Irp__Tail__Overlay__CurrentStackLocation = __VERIFIER_nondet_int() ; [L162] int Irp__IoStatus__Information ; [L163] int Irp__IoStatus__Status ; [L164] int Irp__CurrentLocation = __VERIFIER_nondet_int() ; [L165] int disketteExtension__IsRemoved = __VERIFIER_nondet_int() ; [L166] int disketteExtension__IsStarted = __VERIFIER_nondet_int() ; [L167] int disketteExtension__TargetObject = __VERIFIER_nondet_int() ; [L168] int disketteExtension__HoldNewRequests ; [L169] int disketteExtension__FloppyThread = __VERIFIER_nondet_int() ; [L170] int disketteExtension__InterfaceString__Buffer = __VERIFIER_nondet_int() ; [L171] int disketteExtension__InterfaceString = __VERIFIER_nondet_int() ; [L172] int disketteExtension__ArcName__Length = __VERIFIER_nondet_int() ; [L173] int disketteExtension__ArcName = __VERIFIER_nondet_int() ; [L174] int irpSp__MinorFunction = __VERIFIER_nondet_int() ; [L175] int IoGetConfigurationInformation__FloppyCount = __VERIFIER_nondet_int() ; [L176] int irpSp ; [L177] int disketteExtension ; [L178] int ntStatus ; [L179] int doneEvent = __VERIFIER_nondet_int() ; [L180] int irpSp___0 ; [L181] int nextIrpSp ; [L182] int nextIrpSp__Control ; [L183] int irpSp___1 ; [L184] int irpSp__Context ; [L185] int irpSp__Control ; [L186] long __cil_tmp29 ; [L187] long __cil_tmp30 ; [L190] ntStatus = 0 [L191] PagingReferenceCount ++ [L192] COND TRUE PagingReferenceCount == 1 [L195] disketteExtension = DeviceObject__DeviceExtension [L196] irpSp = Irp__Tail__Overlay__CurrentStackLocation VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=-3, irpSp=-3, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L197] COND FALSE !(\read(disketteExtension__IsRemoved)) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=-3, irpSp=-3, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L206] COND FALSE !(irpSp__MinorFunction == 0) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=-3, irpSp=-3, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L209] COND TRUE irpSp__MinorFunction == 5 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=-3, irpSp=-3, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L235] COND TRUE irpSp__MinorFunction == 5 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=-3, irpSp=-3, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L238] COND FALSE !(! disketteExtension__IsStarted) [L254] disketteExtension__HoldNewRequests = 1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=1, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=-3, irpSp=-3, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L255] CALL, EXPR FlQueueIrpToThread(Irp, disketteExtension) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(DisketteExtension)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=1, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L97] int status ; [L98] int threadHandle = __VERIFIER_nondet_int() ; [L99] int DisketteExtension__PoweringDown = __VERIFIER_nondet_int() ; [L100] int DisketteExtension__ThreadReferenceCount = __VERIFIER_nondet_int() ; [L101] int DisketteExtension__FloppyThread = __VERIFIER_nondet_int() ; [L102] int Irp__IoStatus__Status ; [L103] int Irp__IoStatus__Information ; [L104] int Irp__Tail__Overlay__CurrentStackLocation__Control ; [L105] int ObjAttributes = __VERIFIER_nondet_int() ; [L106] int __cil_tmp12 ; [L107] int __cil_tmp13 ; VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(DisketteExtension)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=1, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, DisketteExtension=0, DisketteExtension__FloppyThread=0, DisketteExtension__PoweringDown=0, DisketteExtension__ThreadReferenceCount=-2, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ObjAttributes=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, threadHandle=0, UNLOADED=0] [L110] COND FALSE !(DisketteExtension__PoweringDown == 1) [L116] DisketteExtension__ThreadReferenceCount ++ VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(DisketteExtension)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=1, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, DisketteExtension=0, DisketteExtension__FloppyThread=0, DisketteExtension__PoweringDown=0, DisketteExtension__ThreadReferenceCount=-1, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ObjAttributes=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, threadHandle=0, UNLOADED=0] [L117] COND FALSE !(DisketteExtension__ThreadReferenceCount == 0) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(DisketteExtension)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=1, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, DisketteExtension=0, DisketteExtension__FloppyThread=0, DisketteExtension__PoweringDown=0, DisketteExtension__ThreadReferenceCount=-1, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ObjAttributes=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, threadHandle=0, UNLOADED=0] [L149] COND TRUE pended == 0 [L150] pended = 1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(DisketteExtension)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=1, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, DisketteExtension=0, DisketteExtension__FloppyThread=0, DisketteExtension__PoweringDown=0, DisketteExtension__ThreadReferenceCount=-1, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ObjAttributes=0, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, threadHandle=0, UNLOADED=0] [L156] return (259); VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(DisketteExtension)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=1, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, \result=259, compRegistered=0, customIrp=0, DC=2, DiskController=0, DisketteExtension=0, DisketteExtension__FloppyThread=0, DisketteExtension__PoweringDown=0, DisketteExtension__ThreadReferenceCount=-1, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ObjAttributes=0, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, threadHandle=0, UNLOADED=0] [L255] RET, EXPR FlQueueIrpToThread(Irp, disketteExtension) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=1, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, FlQueueIrpToThread(Irp, disketteExtension)=259, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=-3, irpSp=-3, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L255] ntStatus = FlQueueIrpToThread(Irp, disketteExtension) [L258] __cil_tmp29 = (long )ntStatus VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=1, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=-3, irpSp=-3, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=259, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L259] COND TRUE __cil_tmp29 == 259L VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=1, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=-3, irpSp=-3, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=259, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L261-L262] CALL KeWaitForSingleObject(disketteExtension__FloppyThread, Executive, KernelMode, 0, 0) VAL [\old(Alertable)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(Object)=1, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(Timeout)=0, \old(UNLOADED)=0, \old(WaitMode)=0, \old(WaitReason)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L1065] COND FALSE !(s == MPR3) VAL [\old(Alertable)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(Object)=1, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(Timeout)=0, \old(UNLOADED)=0, \old(WaitMode)=0, \old(WaitReason)=0, Alertable=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, Object=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, Timeout=0, UNLOADED=0, WaitMode=0, WaitReason=0] [L1074] COND FALSE !(customIrp == 1) VAL [\old(Alertable)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(Object)=1, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(Timeout)=0, \old(UNLOADED)=0, \old(WaitMode)=0, \old(WaitReason)=0, Alertable=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, Object=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, Timeout=0, UNLOADED=0, WaitMode=0, WaitReason=0] [L1078] COND FALSE !(s == MPR3) VAL [\old(Alertable)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(Object)=1, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(Timeout)=0, \old(UNLOADED)=0, \old(WaitMode)=0, \old(WaitReason)=0, Alertable=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, Object=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, Timeout=0, UNLOADED=0, WaitMode=0, WaitReason=0] [L1085] int tmp_ndt_12; [L1086] tmp_ndt_12 = __VERIFIER_nondet_int() [L1087] COND FALSE !(tmp_ndt_12 == 0) [L1095] return (-1073741823); [L261-L262] RET KeWaitForSingleObject(disketteExtension__FloppyThread, Executive, KernelMode, 0, 0) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=1, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=-3, irpSp=-3, irpSp__MinorFunction=5, KernelMode=0, KeWaitForSingleObject(disketteExtension__FloppyThread, Executive, KernelMode, 0, 0)=-1073741823, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=259, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L264] COND TRUE disketteExtension__FloppyThread != 0 [L267] disketteExtension__FloppyThread = 0 [L268] Irp__IoStatus__Status = 0 [L269] myStatus = 0 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__IoStatus__Status=0, Irp__Tail__Overlay__CurrentStackLocation=-3, irpSp=-3, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, ntStatus=259, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L270] COND TRUE s == NP [L271] s = SKIP1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__IoStatus__Status=0, Irp__Tail__Overlay__CurrentStackLocation=-3, irpSp=-3, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, ntStatus=259, PagingMutex=0, PagingReferenceCount=1, pended=1, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L278] Irp__CurrentLocation ++ [L279] Irp__Tail__Overlay__CurrentStackLocation ++ VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=1, Irp__IoStatus__Status=0, Irp__Tail__Overlay__CurrentStackLocation=-2, irpSp=-3, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, ntStatus=259, PagingMutex=0, PagingReferenceCount=1, pended=1, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L280] CALL, EXPR IofCallDriver(disketteExtension__TargetObject, Irp) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L967] int returnVal2 ; [L968] int compRetStatus1 ; [L969] int lcontext = __VERIFIER_nondet_int() ; [L970] unsigned long __cil_tmp7 ; VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L973] COND FALSE !(\read(compRegistered)) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L986] int tmp_ndt_10; [L987] tmp_ndt_10 = __VERIFIER_nondet_int() [L988] COND FALSE !(tmp_ndt_10 == 0) [L991] int tmp_ndt_11; [L992] tmp_ndt_11 = __VERIFIER_nondet_int() [L993] COND TRUE tmp_ndt_11 == 1 [L1002] returnVal2 = -1073741823 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __VERIFIER_nondet_int()=1, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, returnVal2=-1073741823, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, tmp_ndt_10=1, tmp_ndt_11=1, UNLOADED=0] [L1012] COND FALSE !(s == NP) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __VERIFIER_nondet_int()=1, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, returnVal2=-1073741823, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, tmp_ndt_10=1, tmp_ndt_11=1, UNLOADED=0] [L1016] COND FALSE !(s == MPR1) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __VERIFIER_nondet_int()=1, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, returnVal2=-1073741823, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, tmp_ndt_10=1, tmp_ndt_11=1, UNLOADED=0] [L1025] COND TRUE s == SKIP1 [L1026] s = SKIP2 [L1027] lowerDriverReturn = returnVal2 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __VERIFIER_nondet_int()=1, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=-1073741823, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, returnVal2=-1073741823, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, tmp_ndt_10=1, tmp_ndt_11=1, UNLOADED=0] [L1035] return (returnVal2); [L280] RET, EXPR IofCallDriver(disketteExtension__TargetObject, Irp) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IofCallDriver(disketteExtension__TargetObject, Irp)=-1073741823, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=1, Irp__IoStatus__Status=0, Irp__Tail__Overlay__CurrentStackLocation=-2, irpSp=-3, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=-1073741823, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, ntStatus=259, PagingMutex=0, PagingReferenceCount=1, pended=1, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L280] ntStatus = IofCallDriver(disketteExtension__TargetObject, Irp) [L426] PagingReferenceCount -- [L427] COND TRUE PagingReferenceCount == 0 [L430] return (ntStatus); VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, \result=-1073741823, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=1, Irp__IoStatus__Status=0, Irp__Tail__Overlay__CurrentStackLocation=-2, irpSp=-3, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=-1073741823, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, ntStatus=-1073741823, PagingMutex=0, PagingReferenceCount=0, pended=1, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L766] RET, EXPR FloppyPnp(devobj, pirp) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyPnp(devobj, pirp)=-1073741823, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=-1073741823, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0] [L766] status = FloppyPnp(devobj, pirp) [L779] COND TRUE pended == 1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=-1073741823, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=-1073741823, Suspended=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0] [L780] COND FALSE !(s == NP) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=-1073741823, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=-1073741823, Suspended=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0] [L787] COND TRUE pended == 1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=-1073741823, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=-1073741823, Suspended=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0] [L788] COND FALSE !(s == MPR3) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=-1073741823, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=-1073741823, Suspended=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0] [L795] COND TRUE s != UNLOADED VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=-1073741823, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=-1073741823, Suspended=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0] [L796] COND TRUE status != -1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=-1073741823, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=-1073741823, Suspended=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0] [L797] COND FALSE !(s != SKIP2) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=-1073741823, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=-1073741823, Suspended=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0] [L811] COND TRUE pended == 1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=-1073741823, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=-1073741823, Suspended=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0] [L812] COND TRUE status != 259 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=-1073741823, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=-1073741823, Suspended=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0] [L813] CALL errorFn() VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=-1073741823, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L1626] __VERIFIER_error() VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=-1073741823, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 308 locations, 1 error locations. Result: UNSAFE, OverallTime: 27.9s, OverallIterations: 49, TraceHistogramMax: 1, AutomataDifference: 18.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 16463 SDtfs, 8525 SDslu, 44275 SDs, 0 SdLazy, 9917 SolverSat, 2175 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 402 GetRequests, 130 SyntacticMatches, 4 SemanticMatches, 268 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 4.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=617occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.0s AutomataMinimizationTime, 48 MinimizatonAttempts, 894 StatesRemovedByMinimization, 28 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 4.4s InterpolantComputationTime, 2328 NumberOfCodeBlocks, 2328 NumberOfCodeBlocksAsserted, 49 NumberOfCheckSat, 2211 ConstructedInterpolants, 0 QuantifiedInterpolants, 238752 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 48 InterpolantComputations, 48 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...