java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/ntdrivers-simplified/floppy_simpl3.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 13:49:19,406 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 13:49:19,408 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 13:49:19,427 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 13:49:19,428 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 13:49:19,430 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 13:49:19,431 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 13:49:19,443 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 13:49:19,445 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 13:49:19,447 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 13:49:19,448 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 13:49:19,449 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 13:49:19,449 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 13:49:19,453 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 13:49:19,455 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 13:49:19,457 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 13:49:19,458 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 13:49:19,461 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 13:49:19,463 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 13:49:19,466 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 13:49:19,470 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 13:49:19,472 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 13:49:19,474 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 13:49:19,475 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 13:49:19,479 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 13:49:19,479 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 13:49:19,479 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 13:49:19,480 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 13:49:19,480 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 13:49:19,482 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 13:49:19,482 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 13:49:19,483 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 13:49:19,484 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 13:49:19,485 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 13:49:19,486 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 13:49:19,487 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 13:49:19,487 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 13:49:19,488 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 13:49:19,488 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 13:49:19,488 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 13:49:19,492 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 13:49:19,492 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 [2019-10-07 13:49:19,511 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 13:49:19,511 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 13:49:19,513 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 13:49:19,513 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 13:49:19,513 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 13:49:19,513 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 13:49:19,514 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 13:49:19,514 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 13:49:19,514 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 13:49:19,514 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 13:49:19,515 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 13:49:19,515 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 13:49:19,515 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 13:49:19,516 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 13:49:19,516 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 13:49:19,516 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 13:49:19,516 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 13:49:19,516 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 13:49:19,517 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 13:49:19,517 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 13:49:19,517 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 13:49:19,517 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 13:49:19,517 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 13:49:19,518 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 13:49:19,518 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 13:49:19,518 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 13:49:19,518 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 13:49:19,518 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 13:49:19,519 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 [2019-10-07 13:49:19,786 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 13:49:19,799 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 13:49:19,802 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 13:49:19,803 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 13:49:19,804 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 13:49:19,805 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/floppy_simpl3.cil-1.c [2019-10-07 13:49:19,864 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc3afded7/ce7870ab770d42ca97edc4d3a473a62d/FLAG64d6a91df [2019-10-07 13:49:20,388 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 13:49:20,389 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/floppy_simpl3.cil-1.c [2019-10-07 13:49:20,400 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc3afded7/ce7870ab770d42ca97edc4d3a473a62d/FLAG64d6a91df [2019-10-07 13:49:20,675 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc3afded7/ce7870ab770d42ca97edc4d3a473a62d [2019-10-07 13:49:20,687 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 13:49:20,690 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 13:49:20,692 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 13:49:20,693 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 13:49:20,696 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 13:49:20,697 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 01:49:20" (1/1) ... [2019-10-07 13:49:20,700 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d6bfa44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:49:20, skipping insertion in model container [2019-10-07 13:49:20,700 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 01:49:20" (1/1) ... [2019-10-07 13:49:20,708 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 13:49:20,771 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 13:49:21,169 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 13:49:21,175 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 13:49:21,292 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 13:49:21,315 INFO L192 MainTranslator]: Completed translation [2019-10-07 13:49:21,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:49:21 WrapperNode [2019-10-07 13:49:21,315 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 13:49:21,316 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 13:49:21,316 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 13:49:21,316 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 13:49:21,328 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:49:21" (1/1) ... [2019-10-07 13:49:21,328 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:49:21" (1/1) ... [2019-10-07 13:49:21,343 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:49:21" (1/1) ... [2019-10-07 13:49:21,343 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:49:21" (1/1) ... [2019-10-07 13:49:21,367 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:49:21" (1/1) ... [2019-10-07 13:49:21,390 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:49:21" (1/1) ... [2019-10-07 13:49:21,395 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:49:21" (1/1) ... [2019-10-07 13:49:21,402 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 13:49:21,402 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 13:49:21,403 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 13:49:21,403 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 13:49:21,404 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:49:21" (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 [2019-10-07 13:49:21,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 13:49:21,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 13:49:21,462 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2019-10-07 13:49:21,462 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2019-10-07 13:49:21,462 INFO L138 BoogieDeclarations]: Found implementation of procedure FlAcpiConfigureFloppy [2019-10-07 13:49:21,463 INFO L138 BoogieDeclarations]: Found implementation of procedure FlQueueIrpToThread [2019-10-07 13:49:21,464 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnp [2019-10-07 13:49:21,464 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyStartDevice [2019-10-07 13:49:21,464 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnpComplete [2019-10-07 13:49:21,464 INFO L138 BoogieDeclarations]: Found implementation of procedure FlFdcDeviceIo [2019-10-07 13:49:21,464 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyProcessQueuedRequests [2019-10-07 13:49:21,465 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2019-10-07 13:49:21,465 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 13:49:21,465 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2019-10-07 13:49:21,466 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteSymbolicLink [2019-10-07 13:49:21,466 INFO L138 BoogieDeclarations]: Found implementation of procedure IoQueryDeviceDescription [2019-10-07 13:49:21,468 INFO L138 BoogieDeclarations]: Found implementation of procedure IoRegisterDeviceInterface [2019-10-07 13:49:21,468 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2019-10-07 13:49:21,468 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2019-10-07 13:49:21,468 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2019-10-07 13:49:21,469 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2019-10-07 13:49:21,469 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2019-10-07 13:49:21,469 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2019-10-07 13:49:21,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ObReferenceObjectByHandle [2019-10-07 13:49:21,469 INFO L138 BoogieDeclarations]: Found implementation of procedure PsCreateSystemThread [2019-10-07 13:49:21,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2019-10-07 13:49:21,469 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 13:49:21,470 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-10-07 13:49:21,470 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 13:49:21,470 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-07 13:49:21,470 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-07 13:49:21,470 INFO L130 BoogieDeclarations]: Found specification of procedure FlAcpiConfigureFloppy [2019-10-07 13:49:21,470 INFO L130 BoogieDeclarations]: Found specification of procedure FlQueueIrpToThread [2019-10-07 13:49:21,470 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnp [2019-10-07 13:49:21,471 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyStartDevice [2019-10-07 13:49:21,471 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnpComplete [2019-10-07 13:49:21,471 INFO L130 BoogieDeclarations]: Found specification of procedure FlFdcDeviceIo [2019-10-07 13:49:21,471 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2019-10-07 13:49:21,472 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteSymbolicLink [2019-10-07 13:49:21,472 INFO L130 BoogieDeclarations]: Found specification of procedure IoQueryDeviceDescription [2019-10-07 13:49:21,472 INFO L130 BoogieDeclarations]: Found specification of procedure IoRegisterDeviceInterface [2019-10-07 13:49:21,472 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2019-10-07 13:49:21,472 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2019-10-07 13:49:21,472 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2019-10-07 13:49:21,472 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2019-10-07 13:49:21,473 INFO L130 BoogieDeclarations]: Found specification of procedure ObReferenceObjectByHandle [2019-10-07 13:49:21,473 INFO L130 BoogieDeclarations]: Found specification of procedure PsCreateSystemThread [2019-10-07 13:49:21,473 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2019-10-07 13:49:21,473 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2019-10-07 13:49:21,473 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2019-10-07 13:49:21,473 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2019-10-07 13:49:21,474 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyProcessQueuedRequests [2019-10-07 13:49:21,474 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2019-10-07 13:49:21,474 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 13:49:21,474 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2019-10-07 13:49:21,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 13:49:21,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 13:49:21,734 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-07 13:49:21,790 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-07 13:49:21,790 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-07 13:49:21,816 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-07 13:49:21,840 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-07 13:49:21,841 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-07 13:49:21,853 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-07 13:49:22,102 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2019-10-07 13:49:22,102 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2019-10-07 13:49:22,104 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-07 13:49:22,185 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume false; [2019-10-07 13:49:22,185 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !false; [2019-10-07 13:49:22,194 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-07 13:49:22,222 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2019-10-07 13:49:22,222 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2019-10-07 13:49:22,312 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-07 13:49:22,321 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-07 13:49:22,322 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-07 13:49:22,322 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-07 13:49:22,334 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-07 13:49:22,335 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-07 13:49:22,335 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-07 13:49:22,351 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-07 13:49:22,351 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-07 13:49:22,405 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-07 13:49:22,436 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-10-07 13:49:22,436 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-10-07 13:49:22,465 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-07 13:49:22,472 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-07 13:49:22,472 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-07 13:49:22,472 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-07 13:49:22,486 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-07 13:49:22,486 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-07 13:49:22,486 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-07 13:49:22,493 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-07 13:49:22,493 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-07 13:49:22,843 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 13:49:22,844 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-07 13:49:22,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 01:49:22 BoogieIcfgContainer [2019-10-07 13:49:22,846 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 13:49:22,847 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 13:49:22,847 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 13:49:22,850 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 13:49:22,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 01:49:20" (1/3) ... [2019-10-07 13:49:22,852 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50865930 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 01:49:22, skipping insertion in model container [2019-10-07 13:49:22,852 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:49:21" (2/3) ... [2019-10-07 13:49:22,853 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50865930 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 01:49:22, skipping insertion in model container [2019-10-07 13:49:22,853 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 01:49:22" (3/3) ... [2019-10-07 13:49:22,856 INFO L109 eAbstractionObserver]: Analyzing ICFG floppy_simpl3.cil-1.c [2019-10-07 13:49:22,866 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 13:49:22,875 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 13:49:22,888 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 13:49:22,930 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 13:49:22,931 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 13:49:22,931 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 13:49:22,931 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 13:49:22,931 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 13:49:22,931 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 13:49:22,931 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 13:49:22,932 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 13:49:22,961 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states. [2019-10-07 13:49:22,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-07 13:49:22,972 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 13:49:22,973 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 13:49:22,975 INFO L410 AbstractCegarLoop]: === Iteration 1 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 13:49:22,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 13:49:22,981 INFO L82 PathProgramCache]: Analyzing trace with hash 341170076, now seen corresponding path program 1 times [2019-10-07 13:49:22,991 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 13:49:22,991 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:49:22,992 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:49:22,992 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:49:22,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 13:49:23,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:49:23,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 13:49:23,255 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:49:23,256 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 13:49:23,258 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 13:49:23,263 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 13:49:23,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 13:49:23,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 13:49:23,280 INFO L87 Difference]: Start difference. First operand 235 states. Second operand 3 states. [2019-10-07 13:49:23,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 13:49:23,408 INFO L93 Difference]: Finished difference Result 401 states and 583 transitions. [2019-10-07 13:49:23,408 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 13:49:23,410 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2019-10-07 13:49:23,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 13:49:23,425 INFO L225 Difference]: With dead ends: 401 [2019-10-07 13:49:23,425 INFO L226 Difference]: Without dead ends: 229 [2019-10-07 13:49:23,431 INFO L606 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 [2019-10-07 13:49:23,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2019-10-07 13:49:23,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 229. [2019-10-07 13:49:23,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229 states. [2019-10-07 13:49:23,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 300 transitions. [2019-10-07 13:49:23,506 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 300 transitions. Word has length 18 [2019-10-07 13:49:23,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 13:49:23,507 INFO L462 AbstractCegarLoop]: Abstraction has 229 states and 300 transitions. [2019-10-07 13:49:23,507 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 13:49:23,507 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 300 transitions. [2019-10-07 13:49:23,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-07 13:49:23,508 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 13:49:23,508 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 13:49:23,509 INFO L410 AbstractCegarLoop]: === Iteration 2 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 13:49:23,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 13:49:23,509 INFO L82 PathProgramCache]: Analyzing trace with hash -176295608, now seen corresponding path program 1 times [2019-10-07 13:49:23,509 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 13:49:23,510 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:49:23,510 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:49:23,510 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:49:23,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 13:49:23,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:49:23,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 13:49:23,704 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:49:23,705 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 13:49:23,705 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 13:49:23,707 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 13:49:23,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 13:49:23,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 13:49:23,707 INFO L87 Difference]: Start difference. First operand 229 states and 300 transitions. Second operand 3 states. [2019-10-07 13:49:23,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 13:49:23,934 INFO L93 Difference]: Finished difference Result 420 states and 550 transitions. [2019-10-07 13:49:23,934 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 13:49:23,934 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2019-10-07 13:49:23,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 13:49:23,938 INFO L225 Difference]: With dead ends: 420 [2019-10-07 13:49:23,939 INFO L226 Difference]: Without dead ends: 294 [2019-10-07 13:49:23,940 INFO L606 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 [2019-10-07 13:49:23,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2019-10-07 13:49:23,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 291. [2019-10-07 13:49:23,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 291 states. [2019-10-07 13:49:23,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 376 transitions. [2019-10-07 13:49:23,987 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 376 transitions. Word has length 22 [2019-10-07 13:49:23,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 13:49:23,987 INFO L462 AbstractCegarLoop]: Abstraction has 291 states and 376 transitions. [2019-10-07 13:49:23,987 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 13:49:23,987 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 376 transitions. [2019-10-07 13:49:23,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-07 13:49:23,988 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 13:49:23,989 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 13:49:23,989 INFO L410 AbstractCegarLoop]: === Iteration 3 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 13:49:23,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 13:49:23,989 INFO L82 PathProgramCache]: Analyzing trace with hash -1936513098, now seen corresponding path program 1 times [2019-10-07 13:49:23,989 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 13:49:23,990 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:49:23,990 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:49:23,990 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:49:23,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 13:49:24,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:49:24,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 13:49:24,070 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:49:24,071 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 13:49:24,071 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 13:49:24,071 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 13:49:24,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 13:49:24,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 13:49:24,072 INFO L87 Difference]: Start difference. First operand 291 states and 376 transitions. Second operand 3 states. [2019-10-07 13:49:24,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 13:49:24,114 INFO L93 Difference]: Finished difference Result 611 states and 795 transitions. [2019-10-07 13:49:24,114 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 13:49:24,114 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-10-07 13:49:24,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 13:49:24,119 INFO L225 Difference]: With dead ends: 611 [2019-10-07 13:49:24,119 INFO L226 Difference]: Without dead ends: 447 [2019-10-07 13:49:24,120 INFO L606 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 [2019-10-07 13:49:24,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2019-10-07 13:49:24,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 417. [2019-10-07 13:49:24,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 417 states. [2019-10-07 13:49:24,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 545 transitions. [2019-10-07 13:49:24,154 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 545 transitions. Word has length 24 [2019-10-07 13:49:24,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 13:49:24,154 INFO L462 AbstractCegarLoop]: Abstraction has 417 states and 545 transitions. [2019-10-07 13:49:24,154 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 13:49:24,154 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 545 transitions. [2019-10-07 13:49:24,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-10-07 13:49:24,156 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 13:49:24,156 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 13:49:24,156 INFO L410 AbstractCegarLoop]: === Iteration 4 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 13:49:24,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 13:49:24,157 INFO L82 PathProgramCache]: Analyzing trace with hash 197585748, now seen corresponding path program 1 times [2019-10-07 13:49:24,157 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 13:49:24,157 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:49:24,157 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:49:24,157 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:49:24,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 13:49:24,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:49:24,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 13:49:24,218 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:49:24,218 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 13:49:24,218 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 13:49:24,219 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 13:49:24,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 13:49:24,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 13:49:24,220 INFO L87 Difference]: Start difference. First operand 417 states and 545 transitions. Second operand 3 states. [2019-10-07 13:49:24,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 13:49:24,269 INFO L93 Difference]: Finished difference Result 488 states and 635 transitions. [2019-10-07 13:49:24,270 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 13:49:24,270 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2019-10-07 13:49:24,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 13:49:24,276 INFO L225 Difference]: With dead ends: 488 [2019-10-07 13:49:24,276 INFO L226 Difference]: Without dead ends: 468 [2019-10-07 13:49:24,277 INFO L606 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 [2019-10-07 13:49:24,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 468 states. [2019-10-07 13:49:24,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 468 to 458. [2019-10-07 13:49:24,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 458 states. [2019-10-07 13:49:24,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 596 transitions. [2019-10-07 13:49:24,324 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 596 transitions. Word has length 28 [2019-10-07 13:49:24,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 13:49:24,328 INFO L462 AbstractCegarLoop]: Abstraction has 458 states and 596 transitions. [2019-10-07 13:49:24,328 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 13:49:24,328 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 596 transitions. [2019-10-07 13:49:24,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-10-07 13:49:24,336 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 13:49:24,336 INFO L385 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] [2019-10-07 13:49:24,337 INFO L410 AbstractCegarLoop]: === Iteration 5 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 13:49:24,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 13:49:24,337 INFO L82 PathProgramCache]: Analyzing trace with hash -882409608, now seen corresponding path program 1 times [2019-10-07 13:49:24,344 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 13:49:24,344 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:49:24,344 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:49:24,344 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:49:24,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 13:49:24,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:49:24,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 13:49:24,435 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:49:24,435 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 13:49:24,436 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 13:49:24,436 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 13:49:24,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 13:49:24,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 13:49:24,437 INFO L87 Difference]: Start difference. First operand 458 states and 596 transitions. Second operand 3 states. [2019-10-07 13:49:24,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 13:49:24,519 INFO L93 Difference]: Finished difference Result 467 states and 607 transitions. [2019-10-07 13:49:24,521 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 13:49:24,521 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2019-10-07 13:49:24,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 13:49:24,524 INFO L225 Difference]: With dead ends: 467 [2019-10-07 13:49:24,525 INFO L226 Difference]: Without dead ends: 464 [2019-10-07 13:49:24,526 INFO L606 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 [2019-10-07 13:49:24,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2019-10-07 13:49:24,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 464. [2019-10-07 13:49:24,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 464 states. [2019-10-07 13:49:24,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 603 transitions. [2019-10-07 13:49:24,555 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 603 transitions. Word has length 32 [2019-10-07 13:49:24,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 13:49:24,555 INFO L462 AbstractCegarLoop]: Abstraction has 464 states and 603 transitions. [2019-10-07 13:49:24,555 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 13:49:24,555 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 603 transitions. [2019-10-07 13:49:24,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-10-07 13:49:24,559 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 13:49:24,559 INFO L385 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] [2019-10-07 13:49:24,559 INFO L410 AbstractCegarLoop]: === Iteration 6 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 13:49:24,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 13:49:24,560 INFO L82 PathProgramCache]: Analyzing trace with hash -1304756624, now seen corresponding path program 1 times [2019-10-07 13:49:24,560 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 13:49:24,560 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:49:24,560 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:49:24,561 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:49:24,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 13:49:24,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:49:24,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 13:49:24,619 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:49:24,619 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 13:49:24,619 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 13:49:24,620 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 13:49:24,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 13:49:24,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 13:49:24,621 INFO L87 Difference]: Start difference. First operand 464 states and 603 transitions. Second operand 3 states. [2019-10-07 13:49:24,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 13:49:24,753 INFO L93 Difference]: Finished difference Result 615 states and 813 transitions. [2019-10-07 13:49:24,754 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 13:49:24,754 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2019-10-07 13:49:24,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 13:49:24,758 INFO L225 Difference]: With dead ends: 615 [2019-10-07 13:49:24,758 INFO L226 Difference]: Without dead ends: 612 [2019-10-07 13:49:24,758 INFO L606 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 [2019-10-07 13:49:24,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 612 states. [2019-10-07 13:49:24,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 612 to 510. [2019-10-07 13:49:24,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 510 states. [2019-10-07 13:49:24,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 510 states and 667 transitions. [2019-10-07 13:49:24,787 INFO L78 Accepts]: Start accepts. Automaton has 510 states and 667 transitions. Word has length 35 [2019-10-07 13:49:24,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 13:49:24,788 INFO L462 AbstractCegarLoop]: Abstraction has 510 states and 667 transitions. [2019-10-07 13:49:24,788 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 13:49:24,788 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 667 transitions. [2019-10-07 13:49:24,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-10-07 13:49:24,789 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 13:49:24,789 INFO L385 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] [2019-10-07 13:49:24,790 INFO L410 AbstractCegarLoop]: === Iteration 7 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 13:49:24,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 13:49:24,790 INFO L82 PathProgramCache]: Analyzing trace with hash -1529847698, now seen corresponding path program 1 times [2019-10-07 13:49:24,790 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 13:49:24,790 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:49:24,790 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:49:24,791 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:49:24,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 13:49:24,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:49:24,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 13:49:24,828 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:49:24,829 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 13:49:24,829 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 13:49:24,829 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 13:49:24,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 13:49:24,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 13:49:24,830 INFO L87 Difference]: Start difference. First operand 510 states and 667 transitions. Second operand 3 states. [2019-10-07 13:49:24,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 13:49:24,907 INFO L93 Difference]: Finished difference Result 546 states and 711 transitions. [2019-10-07 13:49:24,907 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 13:49:24,908 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2019-10-07 13:49:24,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 13:49:24,911 INFO L225 Difference]: With dead ends: 546 [2019-10-07 13:49:24,911 INFO L226 Difference]: Without dead ends: 541 [2019-10-07 13:49:24,912 INFO L606 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 [2019-10-07 13:49:24,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 541 states. [2019-10-07 13:49:24,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 541 to 537. [2019-10-07 13:49:24,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 537 states. [2019-10-07 13:49:24,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 701 transitions. [2019-10-07 13:49:24,941 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 701 transitions. Word has length 35 [2019-10-07 13:49:24,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 13:49:24,942 INFO L462 AbstractCegarLoop]: Abstraction has 537 states and 701 transitions. [2019-10-07 13:49:24,942 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 13:49:24,942 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 701 transitions. [2019-10-07 13:49:24,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-10-07 13:49:24,945 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 13:49:24,945 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 13:49:24,945 INFO L410 AbstractCegarLoop]: === Iteration 8 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 13:49:24,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 13:49:24,945 INFO L82 PathProgramCache]: Analyzing trace with hash -2030578595, now seen corresponding path program 1 times [2019-10-07 13:49:24,946 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 13:49:24,946 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:49:24,946 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:49:24,946 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:49:24,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 13:49:24,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:49:25,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 13:49:25,081 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:49:25,081 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 13:49:25,082 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-07 13:49:25,082 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-07 13:49:25,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-07 13:49:25,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-10-07 13:49:25,083 INFO L87 Difference]: Start difference. First operand 537 states and 701 transitions. Second operand 8 states. [2019-10-07 13:49:25,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 13:49:25,890 INFO L93 Difference]: Finished difference Result 714 states and 933 transitions. [2019-10-07 13:49:25,890 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 13:49:25,891 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 36 [2019-10-07 13:49:25,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 13:49:25,899 INFO L225 Difference]: With dead ends: 714 [2019-10-07 13:49:25,899 INFO L226 Difference]: Without dead ends: 636 [2019-10-07 13:49:25,901 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-10-07 13:49:25,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2019-10-07 13:49:25,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 531. [2019-10-07 13:49:25,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 531 states. [2019-10-07 13:49:25,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 531 states and 687 transitions. [2019-10-07 13:49:25,958 INFO L78 Accepts]: Start accepts. Automaton has 531 states and 687 transitions. Word has length 36 [2019-10-07 13:49:25,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 13:49:25,958 INFO L462 AbstractCegarLoop]: Abstraction has 531 states and 687 transitions. [2019-10-07 13:49:25,959 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-07 13:49:25,959 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 687 transitions. [2019-10-07 13:49:25,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-10-07 13:49:25,961 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 13:49:25,962 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 13:49:25,962 INFO L410 AbstractCegarLoop]: === Iteration 9 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 13:49:25,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 13:49:25,963 INFO L82 PathProgramCache]: Analyzing trace with hash 272196428, now seen corresponding path program 1 times [2019-10-07 13:49:25,963 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 13:49:25,965 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:49:25,965 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:49:25,965 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:49:25,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 13:49:25,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:49:26,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 13:49:26,118 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:49:26,118 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 13:49:26,118 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-07 13:49:26,119 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-07 13:49:26,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-07 13:49:26,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-07 13:49:26,120 INFO L87 Difference]: Start difference. First operand 531 states and 687 transitions. Second operand 8 states. [2019-10-07 13:49:26,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 13:49:26,841 INFO L93 Difference]: Finished difference Result 558 states and 715 transitions. [2019-10-07 13:49:26,841 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 13:49:26,841 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 36 [2019-10-07 13:49:26,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 13:49:26,845 INFO L225 Difference]: With dead ends: 558 [2019-10-07 13:49:26,845 INFO L226 Difference]: Without dead ends: 549 [2019-10-07 13:49:26,846 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2019-10-07 13:49:26,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2019-10-07 13:49:26,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 531. [2019-10-07 13:49:26,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 531 states. [2019-10-07 13:49:26,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 531 states and 685 transitions. [2019-10-07 13:49:26,891 INFO L78 Accepts]: Start accepts. Automaton has 531 states and 685 transitions. Word has length 36 [2019-10-07 13:49:26,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 13:49:26,891 INFO L462 AbstractCegarLoop]: Abstraction has 531 states and 685 transitions. [2019-10-07 13:49:26,891 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-07 13:49:26,891 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 685 transitions. [2019-10-07 13:49:26,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-10-07 13:49:26,893 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 13:49:26,893 INFO L385 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] [2019-10-07 13:49:26,893 INFO L410 AbstractCegarLoop]: === Iteration 10 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 13:49:26,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 13:49:26,893 INFO L82 PathProgramCache]: Analyzing trace with hash -1040864102, now seen corresponding path program 1 times [2019-10-07 13:49:26,894 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 13:49:26,894 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:49:26,894 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:49:26,894 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:49:26,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 13:49:26,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:49:26,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 13:49:26,980 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:49:26,981 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 13:49:26,981 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-07 13:49:26,981 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-07 13:49:26,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-07 13:49:26,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-07 13:49:26,982 INFO L87 Difference]: Start difference. First operand 531 states and 685 transitions. Second operand 8 states. [2019-10-07 13:49:27,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 13:49:27,545 INFO L93 Difference]: Finished difference Result 558 states and 712 transitions. [2019-10-07 13:49:27,546 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 13:49:27,546 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 37 [2019-10-07 13:49:27,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 13:49:27,549 INFO L225 Difference]: With dead ends: 558 [2019-10-07 13:49:27,549 INFO L226 Difference]: Without dead ends: 549 [2019-10-07 13:49:27,550 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2019-10-07 13:49:27,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2019-10-07 13:49:27,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 531. [2019-10-07 13:49:27,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 531 states. [2019-10-07 13:49:27,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 531 states and 683 transitions. [2019-10-07 13:49:27,579 INFO L78 Accepts]: Start accepts. Automaton has 531 states and 683 transitions. Word has length 37 [2019-10-07 13:49:27,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 13:49:27,579 INFO L462 AbstractCegarLoop]: Abstraction has 531 states and 683 transitions. [2019-10-07 13:49:27,580 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-07 13:49:27,580 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 683 transitions. [2019-10-07 13:49:27,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-10-07 13:49:27,581 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 13:49:27,581 INFO L385 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] [2019-10-07 13:49:27,581 INFO L410 AbstractCegarLoop]: === Iteration 11 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 13:49:27,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 13:49:27,582 INFO L82 PathProgramCache]: Analyzing trace with hash -2146867531, now seen corresponding path program 1 times [2019-10-07 13:49:27,582 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 13:49:27,582 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:49:27,582 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:49:27,582 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:49:27,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 13:49:27,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:49:27,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 13:49:27,632 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:49:27,633 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 13:49:27,633 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 13:49:27,633 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 13:49:27,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 13:49:27,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 13:49:27,634 INFO L87 Difference]: Start difference. First operand 531 states and 683 transitions. Second operand 5 states. [2019-10-07 13:49:27,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 13:49:27,675 INFO L93 Difference]: Finished difference Result 547 states and 698 transitions. [2019-10-07 13:49:27,676 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 13:49:27,676 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 38 [2019-10-07 13:49:27,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 13:49:27,679 INFO L225 Difference]: With dead ends: 547 [2019-10-07 13:49:27,679 INFO L226 Difference]: Without dead ends: 529 [2019-10-07 13:49:27,680 INFO L606 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 [2019-10-07 13:49:27,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2019-10-07 13:49:27,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 529. [2019-10-07 13:49:27,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 529 states. [2019-10-07 13:49:27,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 679 transitions. [2019-10-07 13:49:27,710 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 679 transitions. Word has length 38 [2019-10-07 13:49:27,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 13:49:27,710 INFO L462 AbstractCegarLoop]: Abstraction has 529 states and 679 transitions. [2019-10-07 13:49:27,710 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 13:49:27,710 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 679 transitions. [2019-10-07 13:49:27,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-10-07 13:49:27,712 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 13:49:27,712 INFO L385 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] [2019-10-07 13:49:27,712 INFO L410 AbstractCegarLoop]: === Iteration 12 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 13:49:27,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 13:49:27,712 INFO L82 PathProgramCache]: Analyzing trace with hash -1819753037, now seen corresponding path program 1 times [2019-10-07 13:49:27,713 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 13:49:27,713 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:49:27,713 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:49:27,713 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:49:27,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 13:49:27,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:49:27,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 13:49:27,760 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:49:27,760 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 13:49:27,761 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-07 13:49:27,761 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-07 13:49:27,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-07 13:49:27,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-07 13:49:27,761 INFO L87 Difference]: Start difference. First operand 529 states and 679 transitions. Second operand 4 states. [2019-10-07 13:49:27,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 13:49:27,919 INFO L93 Difference]: Finished difference Result 579 states and 723 transitions. [2019-10-07 13:49:27,919 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-07 13:49:27,920 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 40 [2019-10-07 13:49:27,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 13:49:27,922 INFO L225 Difference]: With dead ends: 579 [2019-10-07 13:49:27,922 INFO L226 Difference]: Without dead ends: 390 [2019-10-07 13:49:27,923 INFO L606 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 [2019-10-07 13:49:27,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2019-10-07 13:49:27,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 371. [2019-10-07 13:49:27,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 371 states. [2019-10-07 13:49:27,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 455 transitions. [2019-10-07 13:49:27,947 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 455 transitions. Word has length 40 [2019-10-07 13:49:27,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 13:49:27,947 INFO L462 AbstractCegarLoop]: Abstraction has 371 states and 455 transitions. [2019-10-07 13:49:27,947 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-07 13:49:27,947 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 455 transitions. [2019-10-07 13:49:27,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-10-07 13:49:27,949 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 13:49:27,949 INFO L385 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] [2019-10-07 13:49:27,949 INFO L410 AbstractCegarLoop]: === Iteration 13 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 13:49:27,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 13:49:27,949 INFO L82 PathProgramCache]: Analyzing trace with hash 1158018826, now seen corresponding path program 1 times [2019-10-07 13:49:27,949 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 13:49:27,950 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:49:27,950 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:49:27,950 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:49:27,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 13:49:27,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:49:27,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 13:49:27,999 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:49:27,999 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 13:49:28,000 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 13:49:28,000 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 13:49:28,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 13:49:28,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 13:49:28,001 INFO L87 Difference]: Start difference. First operand 371 states and 455 transitions. Second operand 3 states. [2019-10-07 13:49:28,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 13:49:28,060 INFO L93 Difference]: Finished difference Result 552 states and 687 transitions. [2019-10-07 13:49:28,061 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 13:49:28,061 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2019-10-07 13:49:28,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 13:49:28,063 INFO L225 Difference]: With dead ends: 552 [2019-10-07 13:49:28,063 INFO L226 Difference]: Without dead ends: 374 [2019-10-07 13:49:28,064 INFO L606 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 [2019-10-07 13:49:28,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2019-10-07 13:49:28,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 374. [2019-10-07 13:49:28,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 374 states. [2019-10-07 13:49:28,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 459 transitions. [2019-10-07 13:49:28,083 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 459 transitions. Word has length 45 [2019-10-07 13:49:28,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 13:49:28,084 INFO L462 AbstractCegarLoop]: Abstraction has 374 states and 459 transitions. [2019-10-07 13:49:28,084 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 13:49:28,084 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 459 transitions. [2019-10-07 13:49:28,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-10-07 13:49:28,086 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 13:49:28,086 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 13:49:28,087 INFO L410 AbstractCegarLoop]: === Iteration 14 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 13:49:28,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 13:49:28,087 INFO L82 PathProgramCache]: Analyzing trace with hash -1564390830, now seen corresponding path program 1 times [2019-10-07 13:49:28,087 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 13:49:28,087 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:49:28,088 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:49:28,088 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:49:28,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 13:49:28,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:49:28,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 13:49:28,260 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:49:28,260 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 13:49:28,260 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 13:49:28,260 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 13:49:28,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 13:49:28,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 13:49:28,262 INFO L87 Difference]: Start difference. First operand 374 states and 459 transitions. Second operand 5 states. [2019-10-07 13:49:28,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 13:49:28,337 INFO L93 Difference]: Finished difference Result 548 states and 680 transitions. [2019-10-07 13:49:28,337 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 13:49:28,338 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 50 [2019-10-07 13:49:28,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 13:49:28,339 INFO L225 Difference]: With dead ends: 548 [2019-10-07 13:49:28,340 INFO L226 Difference]: Without dead ends: 367 [2019-10-07 13:49:28,341 INFO L606 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 [2019-10-07 13:49:28,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2019-10-07 13:49:28,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 367. [2019-10-07 13:49:28,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 367 states. [2019-10-07 13:49:28,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 447 transitions. [2019-10-07 13:49:28,370 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 447 transitions. Word has length 50 [2019-10-07 13:49:28,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 13:49:28,370 INFO L462 AbstractCegarLoop]: Abstraction has 367 states and 447 transitions. [2019-10-07 13:49:28,370 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 13:49:28,370 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 447 transitions. [2019-10-07 13:49:28,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-07 13:49:28,371 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 13:49:28,371 INFO L385 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] [2019-10-07 13:49:28,372 INFO L410 AbstractCegarLoop]: === Iteration 15 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 13:49:28,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 13:49:28,372 INFO L82 PathProgramCache]: Analyzing trace with hash -1370030580, now seen corresponding path program 1 times [2019-10-07 13:49:28,372 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 13:49:28,372 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:49:28,373 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:49:28,373 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:49:28,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 13:49:28,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:49:28,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 13:49:28,414 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:49:28,415 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 13:49:28,415 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 13:49:28,415 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 13:49:28,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 13:49:28,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 13:49:28,416 INFO L87 Difference]: Start difference. First operand 367 states and 447 transitions. Second operand 3 states. [2019-10-07 13:49:28,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 13:49:28,510 INFO L93 Difference]: Finished difference Result 518 states and 649 transitions. [2019-10-07 13:49:28,510 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 13:49:28,510 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2019-10-07 13:49:28,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 13:49:28,513 INFO L225 Difference]: With dead ends: 518 [2019-10-07 13:49:28,513 INFO L226 Difference]: Without dead ends: 506 [2019-10-07 13:49:28,515 INFO L606 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 [2019-10-07 13:49:28,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 506 states. [2019-10-07 13:49:28,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 506 to 411. [2019-10-07 13:49:28,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 411 states. [2019-10-07 13:49:28,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 502 transitions. [2019-10-07 13:49:28,551 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 502 transitions. Word has length 43 [2019-10-07 13:49:28,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 13:49:28,552 INFO L462 AbstractCegarLoop]: Abstraction has 411 states and 502 transitions. [2019-10-07 13:49:28,552 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 13:49:28,552 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 502 transitions. [2019-10-07 13:49:28,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-10-07 13:49:28,554 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 13:49:28,554 INFO L385 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] [2019-10-07 13:49:28,554 INFO L410 AbstractCegarLoop]: === Iteration 16 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 13:49:28,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 13:49:28,554 INFO L82 PathProgramCache]: Analyzing trace with hash 931559790, now seen corresponding path program 1 times [2019-10-07 13:49:28,554 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 13:49:28,555 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:49:28,555 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:49:28,555 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:49:28,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 13:49:28,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:49:28,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 13:49:28,692 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:49:28,692 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 13:49:28,692 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-07 13:49:28,695 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-07 13:49:28,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-07 13:49:28,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-10-07 13:49:28,696 INFO L87 Difference]: Start difference. First operand 411 states and 502 transitions. Second operand 10 states. [2019-10-07 13:49:29,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 13:49:29,922 INFO L93 Difference]: Finished difference Result 464 states and 563 transitions. [2019-10-07 13:49:29,922 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-10-07 13:49:29,922 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 44 [2019-10-07 13:49:29,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 13:49:29,925 INFO L225 Difference]: With dead ends: 464 [2019-10-07 13:49:29,925 INFO L226 Difference]: Without dead ends: 460 [2019-10-07 13:49:29,926 INFO L606 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 [2019-10-07 13:49:29,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2019-10-07 13:49:29,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 454. [2019-10-07 13:49:29,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 454 states. [2019-10-07 13:49:29,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 554 transitions. [2019-10-07 13:49:29,951 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 554 transitions. Word has length 44 [2019-10-07 13:49:29,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 13:49:29,952 INFO L462 AbstractCegarLoop]: Abstraction has 454 states and 554 transitions. [2019-10-07 13:49:29,952 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-07 13:49:29,952 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 554 transitions. [2019-10-07 13:49:29,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-10-07 13:49:29,953 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 13:49:29,953 INFO L385 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] [2019-10-07 13:49:29,953 INFO L410 AbstractCegarLoop]: === Iteration 17 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 13:49:29,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 13:49:29,954 INFO L82 PathProgramCache]: Analyzing trace with hash 931836620, now seen corresponding path program 1 times [2019-10-07 13:49:29,954 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 13:49:29,954 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:49:29,954 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:49:29,954 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:49:29,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 13:49:29,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:49:30,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 13:49:30,050 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:49:30,050 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 13:49:30,050 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-07 13:49:30,051 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-07 13:49:30,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-07 13:49:30,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-10-07 13:49:30,051 INFO L87 Difference]: Start difference. First operand 454 states and 554 transitions. Second operand 10 states. [2019-10-07 13:49:31,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 13:49:31,259 INFO L93 Difference]: Finished difference Result 469 states and 568 transitions. [2019-10-07 13:49:31,259 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-10-07 13:49:31,259 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 44 [2019-10-07 13:49:31,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 13:49:31,262 INFO L225 Difference]: With dead ends: 469 [2019-10-07 13:49:31,262 INFO L226 Difference]: Without dead ends: 460 [2019-10-07 13:49:31,263 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2019-10-07 13:49:31,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2019-10-07 13:49:31,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 454. [2019-10-07 13:49:31,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 454 states. [2019-10-07 13:49:31,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 552 transitions. [2019-10-07 13:49:31,291 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 552 transitions. Word has length 44 [2019-10-07 13:49:31,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 13:49:31,291 INFO L462 AbstractCegarLoop]: Abstraction has 454 states and 552 transitions. [2019-10-07 13:49:31,291 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-07 13:49:31,292 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 552 transitions. [2019-10-07 13:49:31,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-10-07 13:49:31,293 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 13:49:31,293 INFO L385 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] [2019-10-07 13:49:31,293 INFO L410 AbstractCegarLoop]: === Iteration 18 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 13:49:31,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 13:49:31,294 INFO L82 PathProgramCache]: Analyzing trace with hash -1083435282, now seen corresponding path program 1 times [2019-10-07 13:49:31,294 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 13:49:31,294 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:49:31,294 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:49:31,294 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:49:31,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 13:49:31,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:49:31,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 13:49:31,351 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:49:31,352 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 13:49:31,352 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 13:49:31,352 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 13:49:31,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 13:49:31,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-07 13:49:31,353 INFO L87 Difference]: Start difference. First operand 454 states and 552 transitions. Second operand 7 states. [2019-10-07 13:49:31,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 13:49:31,871 INFO L93 Difference]: Finished difference Result 515 states and 632 transitions. [2019-10-07 13:49:31,872 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-07 13:49:31,872 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 44 [2019-10-07 13:49:31,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 13:49:31,874 INFO L225 Difference]: With dead ends: 515 [2019-10-07 13:49:31,874 INFO L226 Difference]: Without dead ends: 454 [2019-10-07 13:49:31,875 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2019-10-07 13:49:31,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2019-10-07 13:49:31,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 454. [2019-10-07 13:49:31,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 454 states. [2019-10-07 13:49:31,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 550 transitions. [2019-10-07 13:49:31,926 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 550 transitions. Word has length 44 [2019-10-07 13:49:31,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 13:49:31,927 INFO L462 AbstractCegarLoop]: Abstraction has 454 states and 550 transitions. [2019-10-07 13:49:31,927 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 13:49:31,927 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 550 transitions. [2019-10-07 13:49:31,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-10-07 13:49:31,928 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 13:49:31,928 INFO L385 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] [2019-10-07 13:49:31,929 INFO L410 AbstractCegarLoop]: === Iteration 19 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 13:49:31,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 13:49:31,929 INFO L82 PathProgramCache]: Analyzing trace with hash -2075159530, now seen corresponding path program 1 times [2019-10-07 13:49:31,930 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 13:49:31,930 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:49:31,930 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:49:31,930 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:49:31,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 13:49:31,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:49:32,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 13:49:32,034 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:49:32,034 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 13:49:32,034 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-07 13:49:32,034 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-07 13:49:32,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-07 13:49:32,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2019-10-07 13:49:32,036 INFO L87 Difference]: Start difference. First operand 454 states and 550 transitions. Second operand 9 states. [2019-10-07 13:49:32,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 13:49:32,948 INFO L93 Difference]: Finished difference Result 497 states and 593 transitions. [2019-10-07 13:49:32,949 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-07 13:49:32,949 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 45 [2019-10-07 13:49:32,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 13:49:32,953 INFO L225 Difference]: With dead ends: 497 [2019-10-07 13:49:32,953 INFO L226 Difference]: Without dead ends: 444 [2019-10-07 13:49:32,954 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=262, Unknown=0, NotChecked=0, Total=342 [2019-10-07 13:49:32,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2019-10-07 13:49:32,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 419. [2019-10-07 13:49:32,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2019-10-07 13:49:32,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 503 transitions. [2019-10-07 13:49:32,989 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 503 transitions. Word has length 45 [2019-10-07 13:49:32,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 13:49:32,990 INFO L462 AbstractCegarLoop]: Abstraction has 419 states and 503 transitions. [2019-10-07 13:49:32,990 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-07 13:49:32,990 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 503 transitions. [2019-10-07 13:49:32,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-10-07 13:49:32,991 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 13:49:32,991 INFO L385 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] [2019-10-07 13:49:32,992 INFO L410 AbstractCegarLoop]: === Iteration 20 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 13:49:32,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 13:49:32,992 INFO L82 PathProgramCache]: Analyzing trace with hash -1297011545, now seen corresponding path program 1 times [2019-10-07 13:49:32,992 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 13:49:32,992 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:49:32,992 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:49:32,993 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:49:32,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 13:49:33,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:49:33,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 13:49:33,037 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:49:33,038 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 13:49:33,038 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 13:49:33,038 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 13:49:33,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 13:49:33,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 13:49:33,039 INFO L87 Difference]: Start difference. First operand 419 states and 503 transitions. Second operand 3 states. [2019-10-07 13:49:33,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 13:49:33,107 INFO L93 Difference]: Finished difference Result 444 states and 531 transitions. [2019-10-07 13:49:33,107 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 13:49:33,107 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2019-10-07 13:49:33,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 13:49:33,115 INFO L225 Difference]: With dead ends: 444 [2019-10-07 13:49:33,115 INFO L226 Difference]: Without dead ends: 425 [2019-10-07 13:49:33,116 INFO L606 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 [2019-10-07 13:49:33,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2019-10-07 13:49:33,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 414. [2019-10-07 13:49:33,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 414 states. [2019-10-07 13:49:33,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 492 transitions. [2019-10-07 13:49:33,146 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 492 transitions. Word has length 45 [2019-10-07 13:49:33,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 13:49:33,147 INFO L462 AbstractCegarLoop]: Abstraction has 414 states and 492 transitions. [2019-10-07 13:49:33,147 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 13:49:33,147 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 492 transitions. [2019-10-07 13:49:33,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-10-07 13:49:33,149 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 13:49:33,149 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 13:49:33,149 INFO L410 AbstractCegarLoop]: === Iteration 21 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 13:49:33,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 13:49:33,149 INFO L82 PathProgramCache]: Analyzing trace with hash -338573109, now seen corresponding path program 1 times [2019-10-07 13:49:33,150 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 13:49:33,150 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:49:33,150 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:49:33,150 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:49:33,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 13:49:33,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:49:33,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 13:49:33,238 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:49:33,238 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 13:49:33,239 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 13:49:33,239 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 13:49:33,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 13:49:33,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 13:49:33,239 INFO L87 Difference]: Start difference. First operand 414 states and 492 transitions. Second operand 5 states. [2019-10-07 13:49:33,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 13:49:33,491 INFO L93 Difference]: Finished difference Result 592 states and 715 transitions. [2019-10-07 13:49:33,492 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 13:49:33,492 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2019-10-07 13:49:33,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 13:49:33,494 INFO L225 Difference]: With dead ends: 592 [2019-10-07 13:49:33,495 INFO L226 Difference]: Without dead ends: 414 [2019-10-07 13:49:33,496 INFO L606 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 [2019-10-07 13:49:33,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2019-10-07 13:49:33,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 414. [2019-10-07 13:49:33,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 414 states. [2019-10-07 13:49:33,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 491 transitions. [2019-10-07 13:49:33,530 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 491 transitions. Word has length 54 [2019-10-07 13:49:33,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 13:49:33,531 INFO L462 AbstractCegarLoop]: Abstraction has 414 states and 491 transitions. [2019-10-07 13:49:33,531 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 13:49:33,531 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 491 transitions. [2019-10-07 13:49:33,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-07 13:49:33,534 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 13:49:33,534 INFO L385 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] [2019-10-07 13:49:33,534 INFO L410 AbstractCegarLoop]: === Iteration 22 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 13:49:33,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 13:49:33,535 INFO L82 PathProgramCache]: Analyzing trace with hash -1099817421, now seen corresponding path program 1 times [2019-10-07 13:49:33,535 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 13:49:33,535 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:49:33,535 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:49:33,535 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:49:33,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 13:49:33,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:49:33,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 13:49:33,592 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:49:33,592 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 13:49:33,592 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 13:49:33,593 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 13:49:33,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 13:49:33,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 13:49:33,594 INFO L87 Difference]: Start difference. First operand 414 states and 491 transitions. Second operand 5 states. [2019-10-07 13:49:33,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 13:49:33,912 INFO L93 Difference]: Finished difference Result 427 states and 504 transitions. [2019-10-07 13:49:33,914 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 13:49:33,914 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 46 [2019-10-07 13:49:33,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 13:49:33,916 INFO L225 Difference]: With dead ends: 427 [2019-10-07 13:49:33,916 INFO L226 Difference]: Without dead ends: 423 [2019-10-07 13:49:33,917 INFO L606 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 [2019-10-07 13:49:33,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2019-10-07 13:49:33,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 417. [2019-10-07 13:49:33,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 417 states. [2019-10-07 13:49:33,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 495 transitions. [2019-10-07 13:49:33,945 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 495 transitions. Word has length 46 [2019-10-07 13:49:33,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 13:49:33,945 INFO L462 AbstractCegarLoop]: Abstraction has 417 states and 495 transitions. [2019-10-07 13:49:33,945 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 13:49:33,945 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 495 transitions. [2019-10-07 13:49:33,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-07 13:49:33,949 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 13:49:33,949 INFO L385 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] [2019-10-07 13:49:33,949 INFO L410 AbstractCegarLoop]: === Iteration 23 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 13:49:33,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 13:49:33,949 INFO L82 PathProgramCache]: Analyzing trace with hash -1099540591, now seen corresponding path program 1 times [2019-10-07 13:49:33,950 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 13:49:33,950 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:49:33,950 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:49:33,950 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:49:33,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 13:49:33,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:49:34,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 13:49:34,049 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:49:34,049 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 13:49:34,049 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-07 13:49:34,049 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-07 13:49:34,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-07 13:49:34,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-07 13:49:34,050 INFO L87 Difference]: Start difference. First operand 417 states and 495 transitions. Second operand 8 states. [2019-10-07 13:49:34,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 13:49:34,197 INFO L93 Difference]: Finished difference Result 431 states and 508 transitions. [2019-10-07 13:49:34,198 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 13:49:34,198 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 46 [2019-10-07 13:49:34,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 13:49:34,200 INFO L225 Difference]: With dead ends: 431 [2019-10-07 13:49:34,201 INFO L226 Difference]: Without dead ends: 413 [2019-10-07 13:49:34,201 INFO L606 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 [2019-10-07 13:49:34,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2019-10-07 13:49:34,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 413. [2019-10-07 13:49:34,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 413 states. [2019-10-07 13:49:34,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 489 transitions. [2019-10-07 13:49:34,230 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 489 transitions. Word has length 46 [2019-10-07 13:49:34,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 13:49:34,231 INFO L462 AbstractCegarLoop]: Abstraction has 413 states and 489 transitions. [2019-10-07 13:49:34,231 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-07 13:49:34,231 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 489 transitions. [2019-10-07 13:49:34,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-10-07 13:49:34,232 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 13:49:34,233 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 13:49:34,233 INFO L410 AbstractCegarLoop]: === Iteration 24 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 13:49:34,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 13:49:34,233 INFO L82 PathProgramCache]: Analyzing trace with hash 1008336929, now seen corresponding path program 1 times [2019-10-07 13:49:34,233 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 13:49:34,234 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:49:34,234 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:49:34,234 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:49:34,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 13:49:34,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:49:34,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 13:49:34,381 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:49:34,381 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 13:49:34,382 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 13:49:34,382 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 13:49:34,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 13:49:34,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-07 13:49:34,383 INFO L87 Difference]: Start difference. First operand 413 states and 489 transitions. Second operand 7 states. [2019-10-07 13:49:34,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 13:49:34,713 INFO L93 Difference]: Finished difference Result 420 states and 497 transitions. [2019-10-07 13:49:34,714 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 13:49:34,714 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 55 [2019-10-07 13:49:34,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 13:49:34,716 INFO L225 Difference]: With dead ends: 420 [2019-10-07 13:49:34,716 INFO L226 Difference]: Without dead ends: 417 [2019-10-07 13:49:34,717 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-10-07 13:49:34,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2019-10-07 13:49:34,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 413. [2019-10-07 13:49:34,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 413 states. [2019-10-07 13:49:34,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 489 transitions. [2019-10-07 13:49:34,753 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 489 transitions. Word has length 55 [2019-10-07 13:49:34,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 13:49:34,754 INFO L462 AbstractCegarLoop]: Abstraction has 413 states and 489 transitions. [2019-10-07 13:49:34,754 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 13:49:34,754 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 489 transitions. [2019-10-07 13:49:34,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-10-07 13:49:34,755 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 13:49:34,755 INFO L385 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] [2019-10-07 13:49:34,755 INFO L410 AbstractCegarLoop]: === Iteration 25 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 13:49:34,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 13:49:34,756 INFO L82 PathProgramCache]: Analyzing trace with hash -45534815, now seen corresponding path program 1 times [2019-10-07 13:49:34,756 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 13:49:34,756 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:49:34,756 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:49:34,756 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:49:34,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 13:49:34,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:49:34,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 13:49:34,812 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:49:34,813 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 13:49:34,813 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 13:49:34,813 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 13:49:34,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 13:49:34,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-07 13:49:34,814 INFO L87 Difference]: Start difference. First operand 413 states and 489 transitions. Second operand 6 states. [2019-10-07 13:49:34,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 13:49:34,884 INFO L93 Difference]: Finished difference Result 432 states and 507 transitions. [2019-10-07 13:49:34,884 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 13:49:34,884 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 49 [2019-10-07 13:49:34,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 13:49:34,888 INFO L225 Difference]: With dead ends: 432 [2019-10-07 13:49:34,888 INFO L226 Difference]: Without dead ends: 410 [2019-10-07 13:49:34,888 INFO L606 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 [2019-10-07 13:49:34,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2019-10-07 13:49:34,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 408. [2019-10-07 13:49:34,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 408 states. [2019-10-07 13:49:34,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 482 transitions. [2019-10-07 13:49:34,919 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 482 transitions. Word has length 49 [2019-10-07 13:49:34,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 13:49:34,920 INFO L462 AbstractCegarLoop]: Abstraction has 408 states and 482 transitions. [2019-10-07 13:49:34,920 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 13:49:34,920 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 482 transitions. [2019-10-07 13:49:34,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-07 13:49:34,921 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 13:49:34,921 INFO L385 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] [2019-10-07 13:49:34,921 INFO L410 AbstractCegarLoop]: === Iteration 26 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 13:49:34,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 13:49:34,922 INFO L82 PathProgramCache]: Analyzing trace with hash 1093912183, now seen corresponding path program 1 times [2019-10-07 13:49:34,922 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 13:49:34,922 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:49:34,922 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:49:34,923 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:49:34,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 13:49:34,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:49:34,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 13:49:34,969 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:49:34,970 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 13:49:34,970 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 13:49:34,970 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 13:49:34,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 13:49:34,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 13:49:34,971 INFO L87 Difference]: Start difference. First operand 408 states and 482 transitions. Second operand 3 states. [2019-10-07 13:49:35,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 13:49:35,013 INFO L93 Difference]: Finished difference Result 657 states and 788 transitions. [2019-10-07 13:49:35,014 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 13:49:35,014 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2019-10-07 13:49:35,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 13:49:35,018 INFO L225 Difference]: With dead ends: 657 [2019-10-07 13:49:35,018 INFO L226 Difference]: Without dead ends: 485 [2019-10-07 13:49:35,019 INFO L606 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 [2019-10-07 13:49:35,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2019-10-07 13:49:35,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 458. [2019-10-07 13:49:35,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 458 states. [2019-10-07 13:49:35,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 544 transitions. [2019-10-07 13:49:35,054 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 544 transitions. Word has length 57 [2019-10-07 13:49:35,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 13:49:35,055 INFO L462 AbstractCegarLoop]: Abstraction has 458 states and 544 transitions. [2019-10-07 13:49:35,055 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 13:49:35,055 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 544 transitions. [2019-10-07 13:49:35,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-10-07 13:49:35,056 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 13:49:35,056 INFO L385 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] [2019-10-07 13:49:35,056 INFO L410 AbstractCegarLoop]: === Iteration 27 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 13:49:35,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 13:49:35,057 INFO L82 PathProgramCache]: Analyzing trace with hash -1654781240, now seen corresponding path program 1 times [2019-10-07 13:49:35,057 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 13:49:35,057 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:49:35,057 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:49:35,057 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:49:35,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 13:49:35,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:49:35,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 13:49:35,180 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:49:35,180 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 13:49:35,180 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-07 13:49:35,181 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-07 13:49:35,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-07 13:49:35,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-07 13:49:35,181 INFO L87 Difference]: Start difference. First operand 458 states and 544 transitions. Second operand 9 states. [2019-10-07 13:49:35,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 13:49:35,402 INFO L93 Difference]: Finished difference Result 473 states and 558 transitions. [2019-10-07 13:49:35,402 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-07 13:49:35,402 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 49 [2019-10-07 13:49:35,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 13:49:35,405 INFO L225 Difference]: With dead ends: 473 [2019-10-07 13:49:35,405 INFO L226 Difference]: Without dead ends: 454 [2019-10-07 13:49:35,406 INFO L606 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 [2019-10-07 13:49:35,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2019-10-07 13:49:35,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 454. [2019-10-07 13:49:35,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 454 states. [2019-10-07 13:49:35,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 538 transitions. [2019-10-07 13:49:35,444 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 538 transitions. Word has length 49 [2019-10-07 13:49:35,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 13:49:35,444 INFO L462 AbstractCegarLoop]: Abstraction has 454 states and 538 transitions. [2019-10-07 13:49:35,445 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-07 13:49:35,445 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 538 transitions. [2019-10-07 13:49:35,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-10-07 13:49:35,446 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 13:49:35,446 INFO L385 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] [2019-10-07 13:49:35,446 INFO L410 AbstractCegarLoop]: === Iteration 28 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 13:49:35,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 13:49:35,446 INFO L82 PathProgramCache]: Analyzing trace with hash 773518056, now seen corresponding path program 1 times [2019-10-07 13:49:35,447 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 13:49:35,447 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:49:35,447 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:49:35,447 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:49:35,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 13:49:35,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:49:35,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 13:49:35,596 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:49:35,596 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 13:49:35,597 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-07 13:49:35,597 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-07 13:49:35,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-07 13:49:35,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-07 13:49:35,598 INFO L87 Difference]: Start difference. First operand 454 states and 538 transitions. Second operand 9 states. [2019-10-07 13:49:35,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 13:49:35,840 INFO L93 Difference]: Finished difference Result 469 states and 552 transitions. [2019-10-07 13:49:35,840 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-07 13:49:35,840 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 49 [2019-10-07 13:49:35,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 13:49:35,843 INFO L225 Difference]: With dead ends: 469 [2019-10-07 13:49:35,843 INFO L226 Difference]: Without dead ends: 450 [2019-10-07 13:49:35,843 INFO L606 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 [2019-10-07 13:49:35,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2019-10-07 13:49:35,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 450. [2019-10-07 13:49:35,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 450 states. [2019-10-07 13:49:35,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 532 transitions. [2019-10-07 13:49:35,872 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 532 transitions. Word has length 49 [2019-10-07 13:49:35,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 13:49:35,873 INFO L462 AbstractCegarLoop]: Abstraction has 450 states and 532 transitions. [2019-10-07 13:49:35,873 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-07 13:49:35,873 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 532 transitions. [2019-10-07 13:49:35,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-07 13:49:35,874 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 13:49:35,874 INFO L385 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] [2019-10-07 13:49:35,874 INFO L410 AbstractCegarLoop]: === Iteration 29 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 13:49:35,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 13:49:35,875 INFO L82 PathProgramCache]: Analyzing trace with hash -983801191, now seen corresponding path program 1 times [2019-10-07 13:49:35,875 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 13:49:35,875 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:49:35,875 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:49:35,875 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:49:35,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 13:49:35,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:49:35,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 13:49:35,908 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:49:35,909 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 13:49:35,909 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 13:49:35,909 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 13:49:35,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 13:49:35,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 13:49:35,910 INFO L87 Difference]: Start difference. First operand 450 states and 532 transitions. Second operand 3 states. [2019-10-07 13:49:35,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 13:49:35,949 INFO L93 Difference]: Finished difference Result 483 states and 570 transitions. [2019-10-07 13:49:35,949 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 13:49:35,949 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2019-10-07 13:49:35,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 13:49:35,952 INFO L225 Difference]: With dead ends: 483 [2019-10-07 13:49:35,952 INFO L226 Difference]: Without dead ends: 452 [2019-10-07 13:49:35,952 INFO L606 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 [2019-10-07 13:49:35,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2019-10-07 13:49:35,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 448. [2019-10-07 13:49:35,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 448 states. [2019-10-07 13:49:35,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 522 transitions. [2019-10-07 13:49:35,983 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 522 transitions. Word has length 51 [2019-10-07 13:49:35,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 13:49:35,983 INFO L462 AbstractCegarLoop]: Abstraction has 448 states and 522 transitions. [2019-10-07 13:49:35,983 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 13:49:35,983 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 522 transitions. [2019-10-07 13:49:35,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-10-07 13:49:35,984 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 13:49:35,985 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 13:49:35,985 INFO L410 AbstractCegarLoop]: === Iteration 30 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 13:49:35,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 13:49:35,985 INFO L82 PathProgramCache]: Analyzing trace with hash 1222375707, now seen corresponding path program 1 times [2019-10-07 13:49:35,985 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 13:49:35,986 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:49:35,986 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:49:35,986 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:49:35,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 13:49:36,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:49:36,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 13:49:36,091 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:49:36,091 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 13:49:36,091 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-07 13:49:36,092 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-07 13:49:36,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-07 13:49:36,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-07 13:49:36,092 INFO L87 Difference]: Start difference. First operand 448 states and 522 transitions. Second operand 9 states. [2019-10-07 13:49:36,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 13:49:36,276 INFO L93 Difference]: Finished difference Result 463 states and 536 transitions. [2019-10-07 13:49:36,277 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-07 13:49:36,277 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 50 [2019-10-07 13:49:36,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 13:49:36,279 INFO L225 Difference]: With dead ends: 463 [2019-10-07 13:49:36,279 INFO L226 Difference]: Without dead ends: 444 [2019-10-07 13:49:36,280 INFO L606 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 [2019-10-07 13:49:36,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2019-10-07 13:49:36,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 444. [2019-10-07 13:49:36,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 444 states. [2019-10-07 13:49:36,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 516 transitions. [2019-10-07 13:49:36,309 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 516 transitions. Word has length 50 [2019-10-07 13:49:36,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 13:49:36,309 INFO L462 AbstractCegarLoop]: Abstraction has 444 states and 516 transitions. [2019-10-07 13:49:36,309 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-07 13:49:36,309 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 516 transitions. [2019-10-07 13:49:36,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-07 13:49:36,310 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 13:49:36,311 INFO L385 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] [2019-10-07 13:49:36,311 INFO L410 AbstractCegarLoop]: === Iteration 31 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 13:49:36,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 13:49:36,311 INFO L82 PathProgramCache]: Analyzing trace with hash -1864664581, now seen corresponding path program 1 times [2019-10-07 13:49:36,311 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 13:49:36,311 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:49:36,312 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:49:36,312 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:49:36,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 13:49:36,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:49:36,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 13:49:36,370 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:49:36,371 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 13:49:36,371 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 13:49:36,371 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 13:49:36,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 13:49:36,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 13:49:36,372 INFO L87 Difference]: Start difference. First operand 444 states and 516 transitions. Second operand 5 states. [2019-10-07 13:49:36,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 13:49:36,410 INFO L93 Difference]: Finished difference Result 452 states and 523 transitions. [2019-10-07 13:49:36,411 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 13:49:36,411 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 53 [2019-10-07 13:49:36,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 13:49:36,413 INFO L225 Difference]: With dead ends: 452 [2019-10-07 13:49:36,413 INFO L226 Difference]: Without dead ends: 429 [2019-10-07 13:49:36,414 INFO L606 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 [2019-10-07 13:49:36,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2019-10-07 13:49:36,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 426. [2019-10-07 13:49:36,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 426 states. [2019-10-07 13:49:36,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 497 transitions. [2019-10-07 13:49:36,442 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 497 transitions. Word has length 53 [2019-10-07 13:49:36,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 13:49:36,442 INFO L462 AbstractCegarLoop]: Abstraction has 426 states and 497 transitions. [2019-10-07 13:49:36,442 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 13:49:36,442 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 497 transitions. [2019-10-07 13:49:36,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-07 13:49:36,443 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 13:49:36,444 INFO L385 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] [2019-10-07 13:49:36,444 INFO L410 AbstractCegarLoop]: === Iteration 32 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 13:49:36,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 13:49:36,444 INFO L82 PathProgramCache]: Analyzing trace with hash -451761164, now seen corresponding path program 1 times [2019-10-07 13:49:36,444 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 13:49:36,444 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:49:36,445 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:49:36,445 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:49:36,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 13:49:36,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:49:36,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 13:49:36,556 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:49:36,557 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 13:49:36,557 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-07 13:49:36,557 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-07 13:49:36,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-07 13:49:36,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-07 13:49:36,558 INFO L87 Difference]: Start difference. First operand 426 states and 497 transitions. Second operand 9 states. [2019-10-07 13:49:36,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 13:49:36,749 INFO L93 Difference]: Finished difference Result 441 states and 511 transitions. [2019-10-07 13:49:36,750 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-07 13:49:36,750 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 53 [2019-10-07 13:49:36,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 13:49:36,752 INFO L225 Difference]: With dead ends: 441 [2019-10-07 13:49:36,752 INFO L226 Difference]: Without dead ends: 409 [2019-10-07 13:49:36,753 INFO L606 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 [2019-10-07 13:49:36,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2019-10-07 13:49:36,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 409. [2019-10-07 13:49:36,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 409 states. [2019-10-07 13:49:36,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 476 transitions. [2019-10-07 13:49:36,806 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 476 transitions. Word has length 53 [2019-10-07 13:49:36,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 13:49:36,806 INFO L462 AbstractCegarLoop]: Abstraction has 409 states and 476 transitions. [2019-10-07 13:49:36,806 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-07 13:49:36,806 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 476 transitions. [2019-10-07 13:49:36,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-10-07 13:49:36,807 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 13:49:36,808 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 13:49:36,808 INFO L410 AbstractCegarLoop]: === Iteration 33 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 13:49:36,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 13:49:36,808 INFO L82 PathProgramCache]: Analyzing trace with hash 525953556, now seen corresponding path program 1 times [2019-10-07 13:49:36,808 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 13:49:36,808 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:49:36,809 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:49:36,809 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:49:36,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 13:49:36,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:49:36,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 13:49:36,990 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:49:36,990 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 13:49:36,990 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-07 13:49:36,991 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-07 13:49:36,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-07 13:49:36,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-10-07 13:49:36,992 INFO L87 Difference]: Start difference. First operand 409 states and 476 transitions. Second operand 10 states. [2019-10-07 13:49:37,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 13:49:37,748 INFO L93 Difference]: Finished difference Result 443 states and 510 transitions. [2019-10-07 13:49:37,748 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-07 13:49:37,748 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 63 [2019-10-07 13:49:37,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 13:49:37,751 INFO L225 Difference]: With dead ends: 443 [2019-10-07 13:49:37,751 INFO L226 Difference]: Without dead ends: 407 [2019-10-07 13:49:37,752 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=290, Unknown=0, NotChecked=0, Total=380 [2019-10-07 13:49:37,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2019-10-07 13:49:37,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 407. [2019-10-07 13:49:37,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 407 states. [2019-10-07 13:49:37,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 471 transitions. [2019-10-07 13:49:37,780 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 471 transitions. Word has length 63 [2019-10-07 13:49:37,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 13:49:37,781 INFO L462 AbstractCegarLoop]: Abstraction has 407 states and 471 transitions. [2019-10-07 13:49:37,781 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-07 13:49:37,781 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 471 transitions. [2019-10-07 13:49:37,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-10-07 13:49:37,782 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 13:49:37,782 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 13:49:37,783 INFO L410 AbstractCegarLoop]: === Iteration 34 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 13:49:37,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 13:49:37,783 INFO L82 PathProgramCache]: Analyzing trace with hash 975323943, now seen corresponding path program 1 times [2019-10-07 13:49:37,783 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 13:49:37,783 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:49:37,783 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:49:37,784 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:49:37,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 13:49:37,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:49:37,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 13:49:37,931 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:49:37,931 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 13:49:37,932 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-07 13:49:37,932 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-07 13:49:37,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-07 13:49:37,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-10-07 13:49:37,932 INFO L87 Difference]: Start difference. First operand 407 states and 471 transitions. Second operand 8 states. [2019-10-07 13:49:38,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 13:49:38,487 INFO L93 Difference]: Finished difference Result 489 states and 580 transitions. [2019-10-07 13:49:38,487 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-07 13:49:38,487 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 64 [2019-10-07 13:49:38,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 13:49:38,490 INFO L225 Difference]: With dead ends: 489 [2019-10-07 13:49:38,490 INFO L226 Difference]: Without dead ends: 485 [2019-10-07 13:49:38,491 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-10-07 13:49:38,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2019-10-07 13:49:38,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 407. [2019-10-07 13:49:38,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 407 states. [2019-10-07 13:49:38,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 471 transitions. [2019-10-07 13:49:38,529 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 471 transitions. Word has length 64 [2019-10-07 13:49:38,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 13:49:38,530 INFO L462 AbstractCegarLoop]: Abstraction has 407 states and 471 transitions. [2019-10-07 13:49:38,530 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-07 13:49:38,530 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 471 transitions. [2019-10-07 13:49:38,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-10-07 13:49:38,531 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 13:49:38,531 INFO L385 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] [2019-10-07 13:49:38,532 INFO L410 AbstractCegarLoop]: === Iteration 35 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 13:49:38,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 13:49:38,532 INFO L82 PathProgramCache]: Analyzing trace with hash 911684087, now seen corresponding path program 1 times [2019-10-07 13:49:38,532 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 13:49:38,532 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:49:38,533 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:49:38,533 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:49:38,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 13:49:38,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:49:38,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 13:49:38,616 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:49:38,616 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 13:49:38,616 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 13:49:38,617 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 13:49:38,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 13:49:38,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 13:49:38,617 INFO L87 Difference]: Start difference. First operand 407 states and 471 transitions. Second operand 5 states. [2019-10-07 13:49:39,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 13:49:39,035 INFO L93 Difference]: Finished difference Result 705 states and 797 transitions. [2019-10-07 13:49:39,035 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 13:49:39,035 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 59 [2019-10-07 13:49:39,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 13:49:39,039 INFO L225 Difference]: With dead ends: 705 [2019-10-07 13:49:39,039 INFO L226 Difference]: Without dead ends: 442 [2019-10-07 13:49:39,040 INFO L606 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 [2019-10-07 13:49:39,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2019-10-07 13:49:39,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 422. [2019-10-07 13:49:39,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 422 states. [2019-10-07 13:49:39,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 480 transitions. [2019-10-07 13:49:39,096 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 480 transitions. Word has length 59 [2019-10-07 13:49:39,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 13:49:39,097 INFO L462 AbstractCegarLoop]: Abstraction has 422 states and 480 transitions. [2019-10-07 13:49:39,097 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 13:49:39,097 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 480 transitions. [2019-10-07 13:49:39,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-10-07 13:49:39,098 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 13:49:39,098 INFO L385 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] [2019-10-07 13:49:39,099 INFO L410 AbstractCegarLoop]: === Iteration 36 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 13:49:39,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 13:49:39,099 INFO L82 PathProgramCache]: Analyzing trace with hash -2147321544, now seen corresponding path program 1 times [2019-10-07 13:49:39,099 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 13:49:39,100 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:49:39,100 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:49:39,100 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:49:39,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 13:49:39,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:49:39,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 13:49:39,151 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:49:39,151 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 13:49:39,151 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 13:49:39,152 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 13:49:39,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 13:49:39,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 13:49:39,152 INFO L87 Difference]: Start difference. First operand 422 states and 480 transitions. Second operand 5 states. [2019-10-07 13:49:39,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 13:49:39,191 INFO L93 Difference]: Finished difference Result 461 states and 518 transitions. [2019-10-07 13:49:39,192 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 13:49:39,192 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 62 [2019-10-07 13:49:39,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 13:49:39,194 INFO L225 Difference]: With dead ends: 461 [2019-10-07 13:49:39,194 INFO L226 Difference]: Without dead ends: 422 [2019-10-07 13:49:39,195 INFO L606 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 [2019-10-07 13:49:39,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2019-10-07 13:49:39,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 422. [2019-10-07 13:49:39,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 422 states. [2019-10-07 13:49:39,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 479 transitions. [2019-10-07 13:49:39,229 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 479 transitions. Word has length 62 [2019-10-07 13:49:39,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 13:49:39,230 INFO L462 AbstractCegarLoop]: Abstraction has 422 states and 479 transitions. [2019-10-07 13:49:39,230 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 13:49:39,230 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 479 transitions. [2019-10-07 13:49:39,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-10-07 13:49:39,231 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 13:49:39,231 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 13:49:39,231 INFO L410 AbstractCegarLoop]: === Iteration 37 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 13:49:39,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 13:49:39,232 INFO L82 PathProgramCache]: Analyzing trace with hash 1430065658, now seen corresponding path program 1 times [2019-10-07 13:49:39,232 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 13:49:39,232 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:49:39,232 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:49:39,232 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:49:39,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 13:49:39,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:49:39,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 13:49:39,339 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:49:39,339 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 13:49:39,339 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 13:49:39,340 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 13:49:39,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 13:49:39,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-07 13:49:39,341 INFO L87 Difference]: Start difference. First operand 422 states and 479 transitions. Second operand 7 states. [2019-10-07 13:49:39,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 13:49:39,492 INFO L93 Difference]: Finished difference Result 439 states and 495 transitions. [2019-10-07 13:49:39,493 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 13:49:39,493 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 71 [2019-10-07 13:49:39,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 13:49:39,495 INFO L225 Difference]: With dead ends: 439 [2019-10-07 13:49:39,495 INFO L226 Difference]: Without dead ends: 420 [2019-10-07 13:49:39,495 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2019-10-07 13:49:39,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2019-10-07 13:49:39,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 381. [2019-10-07 13:49:39,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 381 states. [2019-10-07 13:49:39,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 427 transitions. [2019-10-07 13:49:39,529 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 427 transitions. Word has length 71 [2019-10-07 13:49:39,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 13:49:39,529 INFO L462 AbstractCegarLoop]: Abstraction has 381 states and 427 transitions. [2019-10-07 13:49:39,529 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 13:49:39,529 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 427 transitions. [2019-10-07 13:49:39,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-10-07 13:49:39,532 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 13:49:39,532 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 13:49:39,532 INFO L410 AbstractCegarLoop]: === Iteration 38 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 13:49:39,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 13:49:39,533 INFO L82 PathProgramCache]: Analyzing trace with hash -300877880, now seen corresponding path program 1 times [2019-10-07 13:49:39,533 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 13:49:39,533 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:49:39,533 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:49:39,533 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:49:39,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 13:49:39,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:49:39,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 13:49:39,649 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:49:39,650 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 13:49:39,650 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-07 13:49:39,650 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-07 13:49:39,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-07 13:49:39,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-10-07 13:49:39,651 INFO L87 Difference]: Start difference. First operand 381 states and 427 transitions. Second operand 9 states. [2019-10-07 13:49:40,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 13:49:40,237 INFO L93 Difference]: Finished difference Result 497 states and 556 transitions. [2019-10-07 13:49:40,237 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-07 13:49:40,237 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 72 [2019-10-07 13:49:40,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 13:49:40,239 INFO L225 Difference]: With dead ends: 497 [2019-10-07 13:49:40,239 INFO L226 Difference]: Without dead ends: 353 [2019-10-07 13:49:40,240 INFO L606 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 [2019-10-07 13:49:40,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2019-10-07 13:49:40,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 349. [2019-10-07 13:49:40,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 349 states. [2019-10-07 13:49:40,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 388 transitions. [2019-10-07 13:49:40,268 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 388 transitions. Word has length 72 [2019-10-07 13:49:40,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 13:49:40,268 INFO L462 AbstractCegarLoop]: Abstraction has 349 states and 388 transitions. [2019-10-07 13:49:40,269 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-07 13:49:40,269 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 388 transitions. [2019-10-07 13:49:40,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-10-07 13:49:40,270 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 13:49:40,270 INFO L385 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] [2019-10-07 13:49:40,270 INFO L410 AbstractCegarLoop]: === Iteration 39 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 13:49:40,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 13:49:40,270 INFO L82 PathProgramCache]: Analyzing trace with hash 319828316, now seen corresponding path program 1 times [2019-10-07 13:49:40,271 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 13:49:40,271 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:49:40,271 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:49:40,271 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:49:40,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 13:49:40,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-07 13:49:40,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-07 13:49:40,377 INFO L161 tionRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-10-07 13:49:40,377 INFO L451 BasicCegarLoop]: Counterexample might be feasible [2019-10-07 13:49:40,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.10 01:49:40 BoogieIcfgContainer [2019-10-07 13:49:40,536 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-07 13:49:40,541 INFO L168 Benchmark]: Toolchain (without parser) took 19849.84 ms. Allocated memory was 141.0 MB in the beginning and 510.7 MB in the end (delta: 369.6 MB). Free memory was 104.4 MB in the beginning and 401.5 MB in the end (delta: -297.1 MB). Peak memory consumption was 72.5 MB. Max. memory is 7.1 GB. [2019-10-07 13:49:40,542 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 141.0 MB. Free memory was 124.3 MB in the beginning and 124.1 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-07 13:49:40,544 INFO L168 Benchmark]: CACSL2BoogieTranslator took 623.82 ms. Allocated memory was 141.0 MB in the beginning and 203.9 MB in the end (delta: 62.9 MB). Free memory was 104.2 MB in the beginning and 173.0 MB in the end (delta: -68.7 MB). Peak memory consumption was 28.3 MB. Max. memory is 7.1 GB. [2019-10-07 13:49:40,544 INFO L168 Benchmark]: Boogie Preprocessor took 85.96 ms. Allocated memory is still 203.9 MB. Free memory was 173.0 MB in the beginning and 169.7 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. [2019-10-07 13:49:40,545 INFO L168 Benchmark]: RCFGBuilder took 1443.78 ms. Allocated memory was 203.9 MB in the beginning and 232.8 MB in the end (delta: 28.8 MB). Free memory was 169.7 MB in the beginning and 148.3 MB in the end (delta: 21.4 MB). Peak memory consumption was 80.4 MB. Max. memory is 7.1 GB. [2019-10-07 13:49:40,546 INFO L168 Benchmark]: TraceAbstraction took 17689.39 ms. Allocated memory was 232.8 MB in the beginning and 510.7 MB in the end (delta: 277.9 MB). Free memory was 148.3 MB in the beginning and 401.5 MB in the end (delta: -253.3 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. [2019-10-07 13:49:40,557 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 141.0 MB. Free memory was 124.3 MB in the beginning and 124.1 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 623.82 ms. Allocated memory was 141.0 MB in the beginning and 203.9 MB in the end (delta: 62.9 MB). Free memory was 104.2 MB in the beginning and 173.0 MB in the end (delta: -68.7 MB). Peak memory consumption was 28.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 85.96 ms. Allocated memory is still 203.9 MB. Free memory was 173.0 MB in the beginning and 169.7 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1443.78 ms. Allocated memory was 203.9 MB in the beginning and 232.8 MB in the end (delta: 28.8 MB). Free memory was 169.7 MB in the beginning and 148.3 MB in the end (delta: 21.4 MB). Peak memory consumption was 80.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 17689.39 ms. Allocated memory was 232.8 MB in the beginning and 510.7 MB in the end (delta: 277.9 MB). Free memory was 148.3 MB in the beginning and 401.5 MB in the end (delta: -253.3 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 64]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L35] int FloppyThread ; [L36] int KernelMode ; [L37] int Suspended ; [L38] int Executive ; [L39] int DiskController ; [L40] int FloppyDiskPeripheral ; [L41] int FlConfigCallBack ; [L42] int MaximumInterfaceType ; [L43] int MOUNTDEV_MOUNTED_DEVICE_GUID ; [L44] int myStatus ; [L45] int s ; [L46] int UNLOADED ; [L47] int NP ; [L48] int DC ; [L49] int SKIP1 ; [L50] int SKIP2 ; [L51] int MPR1 ; [L52] int MPR3 ; [L53] int IPC ; [L54] int pended ; [L55] int compRegistered ; [L56] int lowerDriverReturn ; [L57] int setEventCalled ; [L58] int customIrp ; [L90] int PagingReferenceCount = 0; [L91] int PagingMutex = 0; [L670] int status ; [L671] int irp = __VERIFIER_nondet_int() ; [L672] int pirp ; [L673] int pirp__IoStatus__Status ; [L674] int irp_choice = __VERIFIER_nondet_int() ; [L675] int devobj = __VERIFIER_nondet_int() ; [L676] int __cil_tmp8 ; [L678] FloppyThread = 0 [L679] KernelMode = 0 [L680] Suspended = 0 [L681] Executive = 0 [L682] DiskController = 0 [L683] FloppyDiskPeripheral = 0 [L684] FlConfigCallBack = 0 [L685] MaximumInterfaceType = 0 [L686] MOUNTDEV_MOUNTED_DEVICE_GUID = 0 [L687] myStatus = 0 [L688] s = 0 [L689] UNLOADED = 0 [L690] NP = 0 [L691] DC = 0 [L692] SKIP1 = 0 [L693] SKIP2 = 0 [L694] MPR1 = 0 [L695] MPR3 = 0 [L696] IPC = 0 [L697] pended = 0 [L698] compRegistered = 0 [L699] lowerDriverReturn = 0 [L700] setEventCalled = 0 [L701] customIrp = 0 [L705] status = 0 [L706] pirp = irp VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=0, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=0, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=0, MPR3=0, myStatus=0, NP=0, PagingMutex=0, PagingReferenceCount=0, pended=0, pirp=0, s=0, setEventCalled=0, SKIP1=0, SKIP2=0, status=0, Suspended=0, UNLOADED=0] [L707] CALL _BLAST_init() VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=0, MPR3=0, myStatus=0, NP=0, PagingMutex=0, PagingReferenceCount=0, pended=0, s=0, setEventCalled=0, SKIP1=0, SKIP2=0, Suspended=0, UNLOADED=0] [L73] UNLOADED = 0 [L74] NP = 1 [L75] DC = 2 [L76] SKIP1 = 3 [L77] SKIP2 = 4 [L78] MPR1 = 5 [L79] MPR3 = 6 [L80] IPC = 7 [L81] s = UNLOADED [L82] pended = 0 [L83] compRegistered = 0 [L84] lowerDriverReturn = 0 [L85] setEventCalled = 0 [L86] customIrp = 0 [L707] RET _BLAST_init() VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, pirp=0, s=0, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, UNLOADED=0] [L709] COND TRUE status >= 0 [L710] s = NP [L711] customIrp = 0 [L712] setEventCalled = customIrp [L713] lowerDriverReturn = setEventCalled [L714] compRegistered = lowerDriverReturn [L715] pended = compRegistered [L716] pirp__IoStatus__Status = 0 [L717] myStatus = 0 [L718] COND TRUE irp_choice == 0 [L719] pirp__IoStatus__Status = -1073741637 [L720] myStatus = -1073741637 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, pirp=0, pirp__IoStatus__Status=-1073741637, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, UNLOADED=0] [L723] CALL stub_driver_init() VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L660] s = NP [L661] pended = 0 [L662] compRegistered = 0 [L663] lowerDriverReturn = 0 [L664] setEventCalled = 0 [L665] customIrp = 0 [L723] RET stub_driver_init() VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, pirp=0, pirp__IoStatus__Status=-1073741637, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, UNLOADED=0] [L726] COND FALSE !(status < 0) [L730] int tmp_ndt_1; [L731] tmp_ndt_1 = __VERIFIER_nondet_int() [L732] COND TRUE tmp_ndt_1 == 3 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, pirp=0, pirp__IoStatus__Status=-1073741637, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=3, UNLOADED=0] [L739] CALL, EXPR FloppyPnp(devobj, pirp) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L163] int DeviceObject__DeviceExtension = __VERIFIER_nondet_int() ; [L164] int Irp__Tail__Overlay__CurrentStackLocation = __VERIFIER_nondet_int() ; [L165] int Irp__IoStatus__Information ; [L166] int Irp__IoStatus__Status ; [L167] int Irp__CurrentLocation = __VERIFIER_nondet_int() ; [L168] int disketteExtension__IsRemoved = __VERIFIER_nondet_int() ; [L169] int disketteExtension__IsStarted = __VERIFIER_nondet_int() ; [L170] int disketteExtension__TargetObject = __VERIFIER_nondet_int() ; [L171] int disketteExtension__HoldNewRequests ; [L172] int disketteExtension__FloppyThread = __VERIFIER_nondet_int() ; [L173] int disketteExtension__InterfaceString__Buffer = __VERIFIER_nondet_int() ; [L174] int disketteExtension__InterfaceString = __VERIFIER_nondet_int() ; [L175] int disketteExtension__ArcName__Length = __VERIFIER_nondet_int() ; [L176] int disketteExtension__ArcName = __VERIFIER_nondet_int() ; [L177] int irpSp__MinorFunction = __VERIFIER_nondet_int() ; [L178] int IoGetConfigurationInformation__FloppyCount = __VERIFIER_nondet_int() ; [L179] int irpSp ; [L180] int disketteExtension ; [L181] int ntStatus ; [L182] int doneEvent = __VERIFIER_nondet_int() ; [L183] int irpSp___0 ; [L184] int nextIrpSp ; [L185] int nextIrpSp__Control ; [L186] int irpSp___1 ; [L187] int irpSp__Context ; [L188] int irpSp__Control ; [L189] long __cil_tmp29 ; [L190] long __cil_tmp30 ; [L193] ntStatus = 0 [L194] PagingReferenceCount ++ [L195] COND TRUE PagingReferenceCount == 1 [L198] disketteExtension = DeviceObject__DeviceExtension [L199] irpSp = Irp__Tail__Overlay__CurrentStackLocation VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=-3, irpSp=-3, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L200] COND FALSE !(\read(disketteExtension__IsRemoved)) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=-3, irpSp=-3, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L209] COND FALSE !(irpSp__MinorFunction == 0) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=-3, irpSp=-3, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L212] COND TRUE irpSp__MinorFunction == 5 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=-3, irpSp=-3, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L238] COND TRUE irpSp__MinorFunction == 5 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=-3, irpSp=-3, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L241] COND FALSE !(! disketteExtension__IsStarted) [L257] disketteExtension__HoldNewRequests = 1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=-3, irpSp=-3, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L258] CALL, EXPR FlQueueIrpToThread(Irp, disketteExtension) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(DisketteExtension)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=1, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L100] int status ; [L101] int threadHandle = __VERIFIER_nondet_int() ; [L102] int DisketteExtension__PoweringDown = __VERIFIER_nondet_int() ; [L103] int DisketteExtension__ThreadReferenceCount = __VERIFIER_nondet_int() ; [L104] int DisketteExtension__FloppyThread = __VERIFIER_nondet_int() ; [L105] int Irp__IoStatus__Status ; [L106] int Irp__IoStatus__Information ; [L107] int Irp__Tail__Overlay__CurrentStackLocation__Control ; [L108] int ObjAttributes = __VERIFIER_nondet_int() ; [L109] int __cil_tmp12 ; [L110] int __cil_tmp13 ; VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(DisketteExtension)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=1, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, DisketteExtension=0, DisketteExtension__FloppyThread=0, DisketteExtension__PoweringDown=0, DisketteExtension__ThreadReferenceCount=-2, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ObjAttributes=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, threadHandle=0, UNLOADED=0] [L113] COND FALSE !(DisketteExtension__PoweringDown == 1) [L119] DisketteExtension__ThreadReferenceCount ++ VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(DisketteExtension)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=1, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, DisketteExtension=0, DisketteExtension__FloppyThread=0, DisketteExtension__PoweringDown=0, DisketteExtension__ThreadReferenceCount=-1, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ObjAttributes=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, threadHandle=0, UNLOADED=0] [L120] COND FALSE !(DisketteExtension__ThreadReferenceCount == 0) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(DisketteExtension)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=1, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, DisketteExtension=0, DisketteExtension__FloppyThread=0, DisketteExtension__PoweringDown=0, DisketteExtension__ThreadReferenceCount=-1, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ObjAttributes=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, threadHandle=0, UNLOADED=0] [L152] COND TRUE pended == 0 [L153] pended = 1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(DisketteExtension)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=1, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, DisketteExtension=0, DisketteExtension__FloppyThread=0, DisketteExtension__PoweringDown=0, DisketteExtension__ThreadReferenceCount=-1, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ObjAttributes=0, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, threadHandle=0, UNLOADED=0] [L159] return (259); VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(DisketteExtension)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=1, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, \result=259, compRegistered=0, customIrp=0, DC=2, DiskController=0, DisketteExtension=0, DisketteExtension__FloppyThread=0, DisketteExtension__PoweringDown=0, DisketteExtension__ThreadReferenceCount=-1, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ObjAttributes=0, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, threadHandle=0, UNLOADED=0] [L258] RET, EXPR FlQueueIrpToThread(Irp, disketteExtension) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, FlQueueIrpToThread(Irp, disketteExtension)=259, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=-3, irpSp=-3, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L258] ntStatus = FlQueueIrpToThread(Irp, disketteExtension) [L261] __cil_tmp29 = (long )ntStatus VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=-3, irpSp=-3, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=259, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L262] COND TRUE __cil_tmp29 == 259L VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=-3, irpSp=-3, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=259, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L264-L265] CALL KeWaitForSingleObject(disketteExtension__FloppyThread, Executive, KernelMode, 0, 0) VAL [\old(Alertable)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(Object)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(Timeout)=0, \old(UNLOADED)=0, \old(WaitMode)=0, \old(WaitReason)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L1035] COND FALSE !(s == MPR3) VAL [\old(Alertable)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(Object)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(Timeout)=0, \old(UNLOADED)=0, \old(WaitMode)=0, \old(WaitReason)=0, Alertable=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, Object=0, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, Timeout=0, UNLOADED=0, WaitMode=0, WaitReason=0] [L1044] COND FALSE !(customIrp == 1) VAL [\old(Alertable)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(Object)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(Timeout)=0, \old(UNLOADED)=0, \old(WaitMode)=0, \old(WaitReason)=0, Alertable=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, Object=0, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, Timeout=0, UNLOADED=0, WaitMode=0, WaitReason=0] [L1048] COND FALSE !(s == MPR3) VAL [\old(Alertable)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(Object)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(Timeout)=0, \old(UNLOADED)=0, \old(WaitMode)=0, \old(WaitReason)=0, Alertable=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, Object=0, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, Timeout=0, UNLOADED=0, WaitMode=0, WaitReason=0] [L1055] int tmp_ndt_8; [L1056] tmp_ndt_8 = __VERIFIER_nondet_int() [L1057] COND TRUE tmp_ndt_8 == 0 [L1063] return (0); [L264-L265] RET KeWaitForSingleObject(disketteExtension__FloppyThread, Executive, KernelMode, 0, 0) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=-3, irpSp=-3, irpSp__MinorFunction=5, KernelMode=0, KeWaitForSingleObject(disketteExtension__FloppyThread, Executive, KernelMode, 0, 0)=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=259, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L267] COND FALSE !(disketteExtension__FloppyThread != 0) [L270] disketteExtension__FloppyThread = 0 [L271] Irp__IoStatus__Status = 0 [L272] myStatus = 0 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__IoStatus__Status=0, Irp__Tail__Overlay__CurrentStackLocation=-3, irpSp=-3, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, ntStatus=259, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L273] COND TRUE s == NP [L274] s = SKIP1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__IoStatus__Status=0, Irp__Tail__Overlay__CurrentStackLocation=-3, irpSp=-3, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, ntStatus=259, PagingMutex=0, PagingReferenceCount=1, pended=1, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L281] Irp__CurrentLocation ++ [L282] Irp__Tail__Overlay__CurrentStackLocation ++ VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=1, Irp__IoStatus__Status=0, Irp__Tail__Overlay__CurrentStackLocation=-2, irpSp=-3, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, ntStatus=259, PagingMutex=0, PagingReferenceCount=1, pended=1, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L283] CALL, EXPR IofCallDriver(disketteExtension__TargetObject, Irp) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L937] int returnVal2 ; [L938] int compRetStatus1 ; [L939] int lcontext = __VERIFIER_nondet_int() ; [L940] unsigned long __cil_tmp7 ; VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L943] COND FALSE !(\read(compRegistered)) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L956] int tmp_ndt_12; [L957] tmp_ndt_12 = __VERIFIER_nondet_int() [L958] COND TRUE tmp_ndt_12 == 0 [L969] returnVal2 = 0 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __VERIFIER_nondet_int()=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, returnVal2=0, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, tmp_ndt_12=0, tmp_ndt_7=0, UNLOADED=0] [L982] COND FALSE !(s == NP) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __VERIFIER_nondet_int()=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, returnVal2=0, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, tmp_ndt_12=0, tmp_ndt_7=0, UNLOADED=0] [L986] COND FALSE !(s == MPR1) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __VERIFIER_nondet_int()=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, returnVal2=0, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, tmp_ndt_12=0, tmp_ndt_7=0, UNLOADED=0] [L995] COND TRUE s == SKIP1 [L996] s = SKIP2 [L997] lowerDriverReturn = returnVal2 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __VERIFIER_nondet_int()=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, returnVal2=0, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, tmp_ndt_12=0, tmp_ndt_7=0, UNLOADED=0] [L1005] return (returnVal2); [L283] RET, EXPR IofCallDriver(disketteExtension__TargetObject, Irp) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IofCallDriver(disketteExtension__TargetObject, Irp)=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=1, Irp__IoStatus__Status=0, Irp__Tail__Overlay__CurrentStackLocation=-2, irpSp=-3, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, ntStatus=259, PagingMutex=0, PagingReferenceCount=1, pended=1, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L283] ntStatus = IofCallDriver(disketteExtension__TargetObject, Irp) [L429] PagingReferenceCount -- [L430] COND TRUE PagingReferenceCount == 0 [L433] return (ntStatus); VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, \result=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=1, Irp__IoStatus__Status=0, Irp__Tail__Overlay__CurrentStackLocation=-2, irpSp=-3, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=0, pended=1, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L739] RET, EXPR FloppyPnp(devobj, pirp) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyPnp(devobj, pirp)=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=3, UNLOADED=0] [L739] status = FloppyPnp(devobj, pirp) [L749] COND TRUE pended == 1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=3, UNLOADED=0] [L750] COND FALSE !(s == NP) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=3, UNLOADED=0] [L757] COND TRUE pended == 1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=3, UNLOADED=0] [L758] COND FALSE !(s == MPR3) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=3, UNLOADED=0] [L765] COND TRUE s != UNLOADED VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=3, UNLOADED=0] [L766] COND TRUE status != -1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=3, UNLOADED=0] [L767] COND FALSE !(s != SKIP2) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=3, UNLOADED=0] [L781] COND TRUE pended == 1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=3, UNLOADED=0] [L782] COND TRUE status != 259 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=3, UNLOADED=0] [L783] CALL errorFn() VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L64] __VERIFIER_error() VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 26 procedures, 237 locations, 1 error locations. Result: UNSAFE, OverallTime: 17.5s, OverallIterations: 39, TraceHistogramMax: 1, AutomataDifference: 11.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 10229 SDtfs, 6801 SDslu, 24349 SDs, 0 SdLazy, 9343 SolverSat, 1905 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 339 GetRequests, 108 SyntacticMatches, 3 SemanticMatches, 228 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=537occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.3s AutomataMinimizationTime, 38 MinimizatonAttempts, 639 StatesRemovedByMinimization, 24 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 1810 NumberOfCodeBlocks, 1810 NumberOfCodeBlocksAsserted, 39 NumberOfCheckSat, 1706 ConstructedInterpolants, 0 QuantifiedInterpolants, 186328 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 38 InterpolantComputations, 38 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...