/usr/bin/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 --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/ntdrivers-simplified/floppy_simpl4.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 00:37:39,456 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 00:37:39,459 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 00:37:39,479 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 00:37:39,479 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 00:37:39,481 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 00:37:39,483 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 00:37:39,491 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 00:37:39,495 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 00:37:39,498 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 00:37:39,499 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 00:37:39,501 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 00:37:39,501 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 00:37:39,503 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 00:37:39,505 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 00:37:39,506 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 00:37:39,508 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 00:37:39,508 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 00:37:39,510 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 00:37:39,514 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 00:37:39,518 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 00:37:39,521 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 00:37:39,523 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 00:37:39,524 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 00:37:39,526 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 00:37:39,526 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 00:37:39,527 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 00:37:39,528 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 00:37:39,529 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 00:37:39,530 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 00:37:39,531 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 00:37:39,531 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 00:37:39,532 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 00:37:39,533 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 00:37:39,534 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 00:37:39,534 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 00:37:39,535 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 00:37:39,535 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 00:37:39,535 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 00:37:39,536 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 00:37:39,537 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 00:37:39,537 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 [2019-11-07 00:37:39,563 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 00:37:39,564 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 00:37:39,566 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 00:37:39,567 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 00:37:39,567 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 00:37:39,567 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 00:37:39,567 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 00:37:39,567 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 00:37:39,568 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 00:37:39,568 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 00:37:39,568 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 00:37:39,568 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 00:37:39,568 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 00:37:39,569 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 00:37:39,569 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 00:37:39,569 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 00:37:39,569 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 00:37:39,569 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 00:37:39,570 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 00:37:39,570 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 00:37:39,570 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 00:37:39,570 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 00:37:39,570 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 00:37:39,571 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 00:37:39,571 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 00:37:39,571 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 00:37:39,571 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 00:37:39,571 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 00:37:39,571 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-11-07 00:37:39,838 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 00:37:39,858 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 00:37:39,862 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 00:37:39,863 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 00:37:39,863 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 00:37:39,864 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/floppy_simpl4.cil-1.c [2019-11-07 00:37:39,940 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54c38c915/e1fb379b634847a7acc2de7996aa2af6/FLAG901a221dd [2019-11-07 00:37:40,465 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 00:37:40,466 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/floppy_simpl4.cil-1.c [2019-11-07 00:37:40,490 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54c38c915/e1fb379b634847a7acc2de7996aa2af6/FLAG901a221dd [2019-11-07 00:37:40,700 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54c38c915/e1fb379b634847a7acc2de7996aa2af6 [2019-11-07 00:37:40,708 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 00:37:40,709 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 00:37:40,710 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 00:37:40,710 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 00:37:40,714 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 00:37:40,714 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:37:40" (1/1) ... [2019-11-07 00:37:40,717 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@412a1d8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:37:40, skipping insertion in model container [2019-11-07 00:37:40,717 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:37:40" (1/1) ... [2019-11-07 00:37:40,723 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 00:37:40,782 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 00:37:41,310 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 00:37:41,319 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 00:37:41,449 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 00:37:41,476 INFO L192 MainTranslator]: Completed translation [2019-11-07 00:37:41,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:37:41 WrapperNode [2019-11-07 00:37:41,477 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 00:37:41,477 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 00:37:41,477 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 00:37:41,477 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 00:37:41,487 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:37:41" (1/1) ... [2019-11-07 00:37:41,488 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:37:41" (1/1) ... [2019-11-07 00:37:41,505 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:37:41" (1/1) ... [2019-11-07 00:37:41,505 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:37:41" (1/1) ... [2019-11-07 00:37:41,535 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:37:41" (1/1) ... [2019-11-07 00:37:41,553 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:37:41" (1/1) ... [2019-11-07 00:37:41,559 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:37:41" (1/1) ... [2019-11-07 00:37:41,570 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 00:37:41,570 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 00:37:41,570 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 00:37:41,570 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 00:37:41,571 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:37:41" (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 [2019-11-07 00:37:41,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 00:37:41,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 00:37:41,624 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2019-11-07 00:37:41,624 INFO L138 BoogieDeclarations]: Found implementation of procedure FlAcpiConfigureFloppy [2019-11-07 00:37:41,624 INFO L138 BoogieDeclarations]: Found implementation of procedure FlQueueIrpToThread [2019-11-07 00:37:41,625 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnp [2019-11-07 00:37:41,625 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyStartDevice [2019-11-07 00:37:41,625 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnpComplete [2019-11-07 00:37:41,625 INFO L138 BoogieDeclarations]: Found implementation of procedure FlFdcDeviceIo [2019-11-07 00:37:41,625 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyProcessQueuedRequests [2019-11-07 00:37:41,625 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2019-11-07 00:37:41,626 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 00:37:41,626 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2019-11-07 00:37:41,626 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteSymbolicLink [2019-11-07 00:37:41,626 INFO L138 BoogieDeclarations]: Found implementation of procedure IoQueryDeviceDescription [2019-11-07 00:37:41,626 INFO L138 BoogieDeclarations]: Found implementation of procedure IoRegisterDeviceInterface [2019-11-07 00:37:41,627 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2019-11-07 00:37:41,627 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2019-11-07 00:37:41,627 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2019-11-07 00:37:41,627 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2019-11-07 00:37:41,627 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2019-11-07 00:37:41,628 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2019-11-07 00:37:41,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ObReferenceObjectByHandle [2019-11-07 00:37:41,629 INFO L138 BoogieDeclarations]: Found implementation of procedure PsCreateSystemThread [2019-11-07 00:37:41,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2019-11-07 00:37:41,629 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyCreateClose [2019-11-07 00:37:41,629 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyDeviceControl [2019-11-07 00:37:41,629 INFO L138 BoogieDeclarations]: Found implementation of procedure FlCheckFormatParameters [2019-11-07 00:37:41,629 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyQueueRequest [2019-11-07 00:37:41,629 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2019-11-07 00:37:41,629 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 00:37:41,630 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-11-07 00:37:41,630 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 00:37:41,630 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-11-07 00:37:41,630 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-07 00:37:41,630 INFO L130 BoogieDeclarations]: Found specification of procedure FlAcpiConfigureFloppy [2019-11-07 00:37:41,630 INFO L130 BoogieDeclarations]: Found specification of procedure FlQueueIrpToThread [2019-11-07 00:37:41,630 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnp [2019-11-07 00:37:41,631 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyStartDevice [2019-11-07 00:37:41,631 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnpComplete [2019-11-07 00:37:41,631 INFO L130 BoogieDeclarations]: Found specification of procedure FlFdcDeviceIo [2019-11-07 00:37:41,631 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2019-11-07 00:37:41,631 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteSymbolicLink [2019-11-07 00:37:41,631 INFO L130 BoogieDeclarations]: Found specification of procedure IoQueryDeviceDescription [2019-11-07 00:37:41,631 INFO L130 BoogieDeclarations]: Found specification of procedure IoRegisterDeviceInterface [2019-11-07 00:37:41,631 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2019-11-07 00:37:41,632 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2019-11-07 00:37:41,632 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2019-11-07 00:37:41,632 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2019-11-07 00:37:41,632 INFO L130 BoogieDeclarations]: Found specification of procedure ObReferenceObjectByHandle [2019-11-07 00:37:41,632 INFO L130 BoogieDeclarations]: Found specification of procedure PsCreateSystemThread [2019-11-07 00:37:41,632 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2019-11-07 00:37:41,632 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyCreateClose [2019-11-07 00:37:41,632 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyQueueRequest [2019-11-07 00:37:41,632 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyDeviceControl [2019-11-07 00:37:41,633 INFO L130 BoogieDeclarations]: Found specification of procedure FlCheckFormatParameters [2019-11-07 00:37:41,633 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2019-11-07 00:37:41,633 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2019-11-07 00:37:41,633 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2019-11-07 00:37:41,633 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyProcessQueuedRequests [2019-11-07 00:37:41,633 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2019-11-07 00:37:41,634 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 00:37:41,634 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2019-11-07 00:37:41,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 00:37:41,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 00:37:41,975 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-07 00:37:42,043 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-11-07 00:37:42,044 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-11-07 00:37:42,052 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-07 00:37:42,064 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-11-07 00:37:42,064 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-11-07 00:37:42,070 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-07 00:37:42,272 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2019-11-07 00:37:42,272 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2019-11-07 00:37:42,275 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-07 00:37:42,379 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume !false; [2019-11-07 00:37:42,379 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume false; [2019-11-07 00:37:42,395 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-07 00:37:42,421 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2019-11-07 00:37:42,421 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2019-11-07 00:37:42,525 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-07 00:37:42,536 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-11-07 00:37:42,536 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-11-07 00:37:42,536 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-07 00:37:42,547 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-11-07 00:37:42,547 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-11-07 00:37:42,548 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-07 00:37:42,558 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-11-07 00:37:42,558 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-11-07 00:37:42,597 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-07 00:37:42,625 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-11-07 00:37:42,625 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-11-07 00:37:42,628 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-07 00:37:42,756 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##38: assume !false; [2019-11-07 00:37:42,757 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##37: assume false; [2019-11-07 00:37:42,810 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-07 00:37:42,818 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-11-07 00:37:42,819 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-11-07 00:37:42,819 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-07 00:37:42,841 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-11-07 00:37:42,841 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-11-07 00:37:42,842 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-07 00:37:42,847 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-11-07 00:37:42,847 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-11-07 00:37:42,863 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 00:37:42,864 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-07 00:37:42,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:37:42 BoogieIcfgContainer [2019-11-07 00:37:42,866 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 00:37:42,867 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 00:37:42,867 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 00:37:42,870 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 00:37:42,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:37:40" (1/3) ... [2019-11-07 00:37:42,872 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18ec3c82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:37:42, skipping insertion in model container [2019-11-07 00:37:42,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:37:41" (2/3) ... [2019-11-07 00:37:42,872 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18ec3c82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:37:42, skipping insertion in model container [2019-11-07 00:37:42,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:37:42" (3/3) ... [2019-11-07 00:37:42,883 INFO L109 eAbstractionObserver]: Analyzing ICFG floppy_simpl4.cil-1.c [2019-11-07 00:37:42,895 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 00:37:42,906 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 00:37:42,918 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 00:37:42,962 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 00:37:42,963 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 00:37:42,963 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 00:37:42,963 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 00:37:42,964 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 00:37:42,964 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 00:37:42,965 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 00:37:42,965 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 00:37:43,006 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states. [2019-11-07 00:37:43,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-07 00:37:43,015 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:37:43,019 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 00:37:43,022 INFO L410 AbstractCegarLoop]: === Iteration 1 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:37:43,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:37:43,028 INFO L82 PathProgramCache]: Analyzing trace with hash 1980583479, now seen corresponding path program 1 times [2019-11-07 00:37:43,038 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:37:43,039 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414963587] [2019-11-07 00:37:43,042 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:37:43,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:37:43,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:37:43,326 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414963587] [2019-11-07 00:37:43,328 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:37:43,329 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 00:37:43,331 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143726785] [2019-11-07 00:37:43,344 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 00:37:43,346 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:37:43,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 00:37:43,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 00:37:43,365 INFO L87 Difference]: Start difference. First operand 390 states. Second operand 3 states. [2019-11-07 00:37:43,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:37:43,569 INFO L93 Difference]: Finished difference Result 626 states and 913 transitions. [2019-11-07 00:37:43,570 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 00:37:43,571 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-11-07 00:37:43,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:37:43,589 INFO L225 Difference]: With dead ends: 626 [2019-11-07 00:37:43,589 INFO L226 Difference]: Without dead ends: 382 [2019-11-07 00:37:43,598 INFO L630 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 [2019-11-07 00:37:43,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2019-11-07 00:37:43,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 382. [2019-11-07 00:37:43,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 382 states. [2019-11-07 00:37:43,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 526 transitions. [2019-11-07 00:37:43,706 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 526 transitions. Word has length 20 [2019-11-07 00:37:43,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:37:43,707 INFO L462 AbstractCegarLoop]: Abstraction has 382 states and 526 transitions. [2019-11-07 00:37:43,707 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 00:37:43,707 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 526 transitions. [2019-11-07 00:37:43,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-07 00:37:43,709 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:37:43,709 INFO L410 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] [2019-11-07 00:37:43,709 INFO L410 AbstractCegarLoop]: === Iteration 2 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:37:43,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:37:43,709 INFO L82 PathProgramCache]: Analyzing trace with hash 1877533292, now seen corresponding path program 1 times [2019-11-07 00:37:43,710 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:37:43,710 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625988729] [2019-11-07 00:37:43,710 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:37:43,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:37:43,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:37:43,864 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625988729] [2019-11-07 00:37:43,865 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:37:43,865 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 00:37:43,865 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865055516] [2019-11-07 00:37:43,867 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 00:37:43,867 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:37:43,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 00:37:43,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 00:37:43,868 INFO L87 Difference]: Start difference. First operand 382 states and 526 transitions. Second operand 3 states. [2019-11-07 00:37:44,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:37:44,116 INFO L93 Difference]: Finished difference Result 705 states and 959 transitions. [2019-11-07 00:37:44,116 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 00:37:44,116 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2019-11-07 00:37:44,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:37:44,123 INFO L225 Difference]: With dead ends: 705 [2019-11-07 00:37:44,123 INFO L226 Difference]: Without dead ends: 540 [2019-11-07 00:37:44,124 INFO L630 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 [2019-11-07 00:37:44,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2019-11-07 00:37:44,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 521. [2019-11-07 00:37:44,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 521 states. [2019-11-07 00:37:44,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 709 transitions. [2019-11-07 00:37:44,195 INFO L78 Accepts]: Start accepts. Automaton has 521 states and 709 transitions. Word has length 25 [2019-11-07 00:37:44,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:37:44,195 INFO L462 AbstractCegarLoop]: Abstraction has 521 states and 709 transitions. [2019-11-07 00:37:44,195 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 00:37:44,195 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 709 transitions. [2019-11-07 00:37:44,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-07 00:37:44,198 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:37:44,198 INFO L410 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] [2019-11-07 00:37:44,198 INFO L410 AbstractCegarLoop]: === Iteration 3 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:37:44,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:37:44,200 INFO L82 PathProgramCache]: Analyzing trace with hash -2127650726, now seen corresponding path program 1 times [2019-11-07 00:37:44,200 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:37:44,200 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204301906] [2019-11-07 00:37:44,201 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:37:44,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:37:44,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:37:44,312 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204301906] [2019-11-07 00:37:44,312 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:37:44,312 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 00:37:44,313 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573043232] [2019-11-07 00:37:44,313 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 00:37:44,313 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:37:44,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 00:37:44,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 00:37:44,314 INFO L87 Difference]: Start difference. First operand 521 states and 709 transitions. Second operand 3 states. [2019-11-07 00:37:44,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:37:44,378 INFO L93 Difference]: Finished difference Result 646 states and 866 transitions. [2019-11-07 00:37:44,378 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 00:37:44,379 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2019-11-07 00:37:44,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:37:44,386 INFO L225 Difference]: With dead ends: 646 [2019-11-07 00:37:44,386 INFO L226 Difference]: Without dead ends: 625 [2019-11-07 00:37:44,387 INFO L630 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 [2019-11-07 00:37:44,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 625 states. [2019-11-07 00:37:44,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 625 to 585. [2019-11-07 00:37:44,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 585 states. [2019-11-07 00:37:44,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 585 states and 792 transitions. [2019-11-07 00:37:44,431 INFO L78 Accepts]: Start accepts. Automaton has 585 states and 792 transitions. Word has length 31 [2019-11-07 00:37:44,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:37:44,432 INFO L462 AbstractCegarLoop]: Abstraction has 585 states and 792 transitions. [2019-11-07 00:37:44,432 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 00:37:44,432 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 792 transitions. [2019-11-07 00:37:44,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-07 00:37:44,441 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:37:44,441 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 00:37:44,441 INFO L410 AbstractCegarLoop]: === Iteration 4 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:37:44,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:37:44,442 INFO L82 PathProgramCache]: Analyzing trace with hash -984761052, now seen corresponding path program 1 times [2019-11-07 00:37:44,442 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:37:44,442 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596221071] [2019-11-07 00:37:44,443 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:37:44,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:37:44,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:37:44,557 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596221071] [2019-11-07 00:37:44,557 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:37:44,557 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 00:37:44,558 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219744799] [2019-11-07 00:37:44,558 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 00:37:44,558 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:37:44,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 00:37:44,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 00:37:44,559 INFO L87 Difference]: Start difference. First operand 585 states and 792 transitions. Second operand 3 states. [2019-11-07 00:37:44,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:37:44,612 INFO L93 Difference]: Finished difference Result 1096 states and 1479 transitions. [2019-11-07 00:37:44,613 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 00:37:44,613 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2019-11-07 00:37:44,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:37:44,619 INFO L225 Difference]: With dead ends: 1096 [2019-11-07 00:37:44,619 INFO L226 Difference]: Without dead ends: 796 [2019-11-07 00:37:44,620 INFO L630 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 [2019-11-07 00:37:44,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 796 states. [2019-11-07 00:37:44,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 796 to 767. [2019-11-07 00:37:44,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 767 states. [2019-11-07 00:37:44,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 767 states and 1042 transitions. [2019-11-07 00:37:44,665 INFO L78 Accepts]: Start accepts. Automaton has 767 states and 1042 transitions. Word has length 33 [2019-11-07 00:37:44,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:37:44,665 INFO L462 AbstractCegarLoop]: Abstraction has 767 states and 1042 transitions. [2019-11-07 00:37:44,666 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 00:37:44,666 INFO L276 IsEmpty]: Start isEmpty. Operand 767 states and 1042 transitions. [2019-11-07 00:37:44,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-07 00:37:44,668 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:37:44,668 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 00:37:44,668 INFO L410 AbstractCegarLoop]: === Iteration 5 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:37:44,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:37:44,668 INFO L82 PathProgramCache]: Analyzing trace with hash -1494073565, now seen corresponding path program 1 times [2019-11-07 00:37:44,669 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:37:44,669 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417913928] [2019-11-07 00:37:44,669 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:37:44,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:37:44,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:37:44,714 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417913928] [2019-11-07 00:37:44,715 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:37:44,715 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 00:37:44,715 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712524629] [2019-11-07 00:37:44,715 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 00:37:44,716 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:37:44,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 00:37:44,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 00:37:44,716 INFO L87 Difference]: Start difference. First operand 767 states and 1042 transitions. Second operand 3 states. [2019-11-07 00:37:44,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:37:44,817 INFO L93 Difference]: Finished difference Result 811 states and 1096 transitions. [2019-11-07 00:37:44,818 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 00:37:44,818 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2019-11-07 00:37:44,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:37:44,823 INFO L225 Difference]: With dead ends: 811 [2019-11-07 00:37:44,823 INFO L226 Difference]: Without dead ends: 806 [2019-11-07 00:37:44,824 INFO L630 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 [2019-11-07 00:37:44,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 806 states. [2019-11-07 00:37:44,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 806 to 802. [2019-11-07 00:37:44,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 802 states. [2019-11-07 00:37:44,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 802 states and 1086 transitions. [2019-11-07 00:37:44,885 INFO L78 Accepts]: Start accepts. Automaton has 802 states and 1086 transitions. Word has length 39 [2019-11-07 00:37:44,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:37:44,889 INFO L462 AbstractCegarLoop]: Abstraction has 802 states and 1086 transitions. [2019-11-07 00:37:44,890 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 00:37:44,890 INFO L276 IsEmpty]: Start isEmpty. Operand 802 states and 1086 transitions. [2019-11-07 00:37:44,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-07 00:37:44,893 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:37:44,893 INFO L410 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] [2019-11-07 00:37:44,893 INFO L410 AbstractCegarLoop]: === Iteration 6 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:37:44,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:37:44,893 INFO L82 PathProgramCache]: Analyzing trace with hash 1679216250, now seen corresponding path program 1 times [2019-11-07 00:37:44,894 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:37:44,894 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446995035] [2019-11-07 00:37:44,894 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:37:44,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:37:44,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:37:44,987 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446995035] [2019-11-07 00:37:44,987 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:37:44,987 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 00:37:44,987 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856126189] [2019-11-07 00:37:44,988 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 00:37:44,989 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:37:44,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 00:37:44,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 00:37:44,989 INFO L87 Difference]: Start difference. First operand 802 states and 1086 transitions. Second operand 3 states. [2019-11-07 00:37:45,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:37:45,102 INFO L93 Difference]: Finished difference Result 817 states and 1106 transitions. [2019-11-07 00:37:45,102 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 00:37:45,102 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 38 [2019-11-07 00:37:45,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:37:45,108 INFO L225 Difference]: With dead ends: 817 [2019-11-07 00:37:45,109 INFO L226 Difference]: Without dead ends: 814 [2019-11-07 00:37:45,109 INFO L630 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 [2019-11-07 00:37:45,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 814 states. [2019-11-07 00:37:45,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 814 to 813. [2019-11-07 00:37:45,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 813 states. [2019-11-07 00:37:45,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 813 states and 1100 transitions. [2019-11-07 00:37:45,145 INFO L78 Accepts]: Start accepts. Automaton has 813 states and 1100 transitions. Word has length 38 [2019-11-07 00:37:45,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:37:45,145 INFO L462 AbstractCegarLoop]: Abstraction has 813 states and 1100 transitions. [2019-11-07 00:37:45,145 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 00:37:45,145 INFO L276 IsEmpty]: Start isEmpty. Operand 813 states and 1100 transitions. [2019-11-07 00:37:45,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-07 00:37:45,147 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:37:45,147 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 00:37:45,147 INFO L410 AbstractCegarLoop]: === Iteration 7 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:37:45,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:37:45,147 INFO L82 PathProgramCache]: Analyzing trace with hash 310268416, now seen corresponding path program 1 times [2019-11-07 00:37:45,148 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:37:45,148 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105290553] [2019-11-07 00:37:45,148 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:37:45,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:37:45,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:37:45,201 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105290553] [2019-11-07 00:37:45,201 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:37:45,201 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-07 00:37:45,202 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561573601] [2019-11-07 00:37:45,202 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-07 00:37:45,202 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:37:45,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-07 00:37:45,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-07 00:37:45,203 INFO L87 Difference]: Start difference. First operand 813 states and 1100 transitions. Second operand 5 states. [2019-11-07 00:37:45,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:37:45,269 INFO L93 Difference]: Finished difference Result 826 states and 1114 transitions. [2019-11-07 00:37:45,269 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-07 00:37:45,269 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 39 [2019-11-07 00:37:45,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:37:45,274 INFO L225 Difference]: With dead ends: 826 [2019-11-07 00:37:45,274 INFO L226 Difference]: Without dead ends: 811 [2019-11-07 00:37:45,275 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-07 00:37:45,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 811 states. [2019-11-07 00:37:45,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 811 to 811. [2019-11-07 00:37:45,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 811 states. [2019-11-07 00:37:45,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 1096 transitions. [2019-11-07 00:37:45,317 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 1096 transitions. Word has length 39 [2019-11-07 00:37:45,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:37:45,317 INFO L462 AbstractCegarLoop]: Abstraction has 811 states and 1096 transitions. [2019-11-07 00:37:45,317 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-07 00:37:45,318 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 1096 transitions. [2019-11-07 00:37:45,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-07 00:37:45,319 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:37:45,319 INFO L410 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] [2019-11-07 00:37:45,320 INFO L410 AbstractCegarLoop]: === Iteration 8 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:37:45,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:37:45,320 INFO L82 PathProgramCache]: Analyzing trace with hash 1380961955, now seen corresponding path program 1 times [2019-11-07 00:37:45,320 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:37:45,321 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414595803] [2019-11-07 00:37:45,321 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:37:45,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:37:45,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:37:45,374 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414595803] [2019-11-07 00:37:45,375 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:37:45,375 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-07 00:37:45,375 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196925103] [2019-11-07 00:37:45,375 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-07 00:37:45,376 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:37:45,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-07 00:37:45,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-07 00:37:45,376 INFO L87 Difference]: Start difference. First operand 811 states and 1096 transitions. Second operand 5 states. [2019-11-07 00:37:45,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:37:45,455 INFO L93 Difference]: Finished difference Result 824 states and 1110 transitions. [2019-11-07 00:37:45,455 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-07 00:37:45,455 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 40 [2019-11-07 00:37:45,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:37:45,464 INFO L225 Difference]: With dead ends: 824 [2019-11-07 00:37:45,464 INFO L226 Difference]: Without dead ends: 804 [2019-11-07 00:37:45,466 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-07 00:37:45,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 804 states. [2019-11-07 00:37:45,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 804 to 804. [2019-11-07 00:37:45,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 804 states. [2019-11-07 00:37:45,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 804 states and 1087 transitions. [2019-11-07 00:37:45,554 INFO L78 Accepts]: Start accepts. Automaton has 804 states and 1087 transitions. Word has length 40 [2019-11-07 00:37:45,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:37:45,554 INFO L462 AbstractCegarLoop]: Abstraction has 804 states and 1087 transitions. [2019-11-07 00:37:45,554 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-07 00:37:45,554 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 1087 transitions. [2019-11-07 00:37:45,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-07 00:37:45,556 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:37:45,556 INFO L410 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] [2019-11-07 00:37:45,557 INFO L410 AbstractCegarLoop]: === Iteration 9 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:37:45,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:37:45,557 INFO L82 PathProgramCache]: Analyzing trace with hash -1241145468, now seen corresponding path program 1 times [2019-11-07 00:37:45,557 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:37:45,557 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131181856] [2019-11-07 00:37:45,558 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:37:45,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:37:45,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:37:45,635 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131181856] [2019-11-07 00:37:45,635 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:37:45,635 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 00:37:45,635 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074603691] [2019-11-07 00:37:45,636 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 00:37:45,636 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:37:45,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 00:37:45,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 00:37:45,637 INFO L87 Difference]: Start difference. First operand 804 states and 1087 transitions. Second operand 3 states. [2019-11-07 00:37:45,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:37:45,769 INFO L93 Difference]: Finished difference Result 1184 states and 1615 transitions. [2019-11-07 00:37:45,770 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 00:37:45,770 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2019-11-07 00:37:45,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:37:45,777 INFO L225 Difference]: With dead ends: 1184 [2019-11-07 00:37:45,777 INFO L226 Difference]: Without dead ends: 1181 [2019-11-07 00:37:45,778 INFO L630 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 [2019-11-07 00:37:45,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1181 states. [2019-11-07 00:37:45,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1181 to 927. [2019-11-07 00:37:45,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 927 states. [2019-11-07 00:37:45,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 927 states and 1256 transitions. [2019-11-07 00:37:45,834 INFO L78 Accepts]: Start accepts. Automaton has 927 states and 1256 transitions. Word has length 44 [2019-11-07 00:37:45,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:37:45,834 INFO L462 AbstractCegarLoop]: Abstraction has 927 states and 1256 transitions. [2019-11-07 00:37:45,835 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 00:37:45,835 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 1256 transitions. [2019-11-07 00:37:45,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-07 00:37:45,836 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:37:45,836 INFO L410 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] [2019-11-07 00:37:45,836 INFO L410 AbstractCegarLoop]: === Iteration 10 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:37:45,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:37:45,837 INFO L82 PathProgramCache]: Analyzing trace with hash -1407580827, now seen corresponding path program 1 times [2019-11-07 00:37:45,837 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:37:45,837 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481891674] [2019-11-07 00:37:45,837 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:37:45,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:37:45,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:37:45,940 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481891674] [2019-11-07 00:37:45,940 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:37:45,940 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-07 00:37:45,940 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712674115] [2019-11-07 00:37:45,941 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-07 00:37:45,941 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:37:45,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-07 00:37:45,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-11-07 00:37:45,942 INFO L87 Difference]: Start difference. First operand 927 states and 1256 transitions. Second operand 8 states. [2019-11-07 00:37:46,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:37:46,666 INFO L93 Difference]: Finished difference Result 954 states and 1284 transitions. [2019-11-07 00:37:46,666 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-07 00:37:46,666 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 43 [2019-11-07 00:37:46,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:37:46,672 INFO L225 Difference]: With dead ends: 954 [2019-11-07 00:37:46,672 INFO L226 Difference]: Without dead ends: 945 [2019-11-07 00:37:46,677 INFO L630 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 [2019-11-07 00:37:46,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 945 states. [2019-11-07 00:37:46,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 945 to 927. [2019-11-07 00:37:46,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 927 states. [2019-11-07 00:37:46,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 927 states and 1254 transitions. [2019-11-07 00:37:46,724 INFO L78 Accepts]: Start accepts. Automaton has 927 states and 1254 transitions. Word has length 43 [2019-11-07 00:37:46,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:37:46,724 INFO L462 AbstractCegarLoop]: Abstraction has 927 states and 1254 transitions. [2019-11-07 00:37:46,724 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-07 00:37:46,725 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 1254 transitions. [2019-11-07 00:37:46,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-07 00:37:46,727 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:37:46,727 INFO L410 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] [2019-11-07 00:37:46,727 INFO L410 AbstractCegarLoop]: === Iteration 11 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:37:46,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:37:46,728 INFO L82 PathProgramCache]: Analyzing trace with hash -319659871, now seen corresponding path program 1 times [2019-11-07 00:37:46,728 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:37:46,728 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161840005] [2019-11-07 00:37:46,728 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:37:46,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:37:46,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:37:46,807 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161840005] [2019-11-07 00:37:46,807 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:37:46,808 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-07 00:37:46,809 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208309020] [2019-11-07 00:37:46,809 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-07 00:37:46,809 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:37:46,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-07 00:37:46,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-07 00:37:46,810 INFO L87 Difference]: Start difference. First operand 927 states and 1254 transitions. Second operand 4 states. [2019-11-07 00:37:46,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:37:46,904 INFO L93 Difference]: Finished difference Result 955 states and 1287 transitions. [2019-11-07 00:37:46,904 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-07 00:37:46,904 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 42 [2019-11-07 00:37:46,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:37:46,910 INFO L225 Difference]: With dead ends: 955 [2019-11-07 00:37:46,910 INFO L226 Difference]: Without dead ends: 933 [2019-11-07 00:37:46,911 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-07 00:37:46,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 933 states. [2019-11-07 00:37:46,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 933 to 929. [2019-11-07 00:37:46,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 929 states. [2019-11-07 00:37:46,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 929 states and 1256 transitions. [2019-11-07 00:37:46,959 INFO L78 Accepts]: Start accepts. Automaton has 929 states and 1256 transitions. Word has length 42 [2019-11-07 00:37:46,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:37:46,959 INFO L462 AbstractCegarLoop]: Abstraction has 929 states and 1256 transitions. [2019-11-07 00:37:46,959 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-07 00:37:46,960 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 1256 transitions. [2019-11-07 00:37:46,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-07 00:37:46,961 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:37:46,961 INFO L410 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] [2019-11-07 00:37:46,961 INFO L410 AbstractCegarLoop]: === Iteration 12 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:37:46,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:37:46,962 INFO L82 PathProgramCache]: Analyzing trace with hash -58863371, now seen corresponding path program 1 times [2019-11-07 00:37:46,962 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:37:46,962 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421106596] [2019-11-07 00:37:46,962 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:37:46,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:37:47,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:37:47,081 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421106596] [2019-11-07 00:37:47,081 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:37:47,081 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-07 00:37:47,081 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7036685] [2019-11-07 00:37:47,082 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-07 00:37:47,082 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:37:47,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-07 00:37:47,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-11-07 00:37:47,082 INFO L87 Difference]: Start difference. First operand 929 states and 1256 transitions. Second operand 8 states. [2019-11-07 00:37:47,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:37:47,976 INFO L93 Difference]: Finished difference Result 1675 states and 2239 transitions. [2019-11-07 00:37:47,977 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-07 00:37:47,977 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 45 [2019-11-07 00:37:47,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:37:47,986 INFO L225 Difference]: With dead ends: 1675 [2019-11-07 00:37:47,986 INFO L226 Difference]: Without dead ends: 1115 [2019-11-07 00:37:47,989 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-11-07 00:37:47,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1115 states. [2019-11-07 00:37:48,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1115 to 920. [2019-11-07 00:37:48,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 920 states. [2019-11-07 00:37:48,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 920 states and 1235 transitions. [2019-11-07 00:37:48,067 INFO L78 Accepts]: Start accepts. Automaton has 920 states and 1235 transitions. Word has length 45 [2019-11-07 00:37:48,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:37:48,067 INFO L462 AbstractCegarLoop]: Abstraction has 920 states and 1235 transitions. [2019-11-07 00:37:48,067 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-07 00:37:48,067 INFO L276 IsEmpty]: Start isEmpty. Operand 920 states and 1235 transitions. [2019-11-07 00:37:48,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-07 00:37:48,070 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:37:48,070 INFO L410 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] [2019-11-07 00:37:48,070 INFO L410 AbstractCegarLoop]: === Iteration 13 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:37:48,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:37:48,071 INFO L82 PathProgramCache]: Analyzing trace with hash -1574584051, now seen corresponding path program 1 times [2019-11-07 00:37:48,071 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:37:48,071 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487960170] [2019-11-07 00:37:48,072 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:37:48,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:37:48,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:37:48,229 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487960170] [2019-11-07 00:37:48,230 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:37:48,230 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-07 00:37:48,230 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664672584] [2019-11-07 00:37:48,231 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-07 00:37:48,231 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:37:48,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-07 00:37:48,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-11-07 00:37:48,232 INFO L87 Difference]: Start difference. First operand 920 states and 1235 transitions. Second operand 8 states. [2019-11-07 00:37:48,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:37:48,931 INFO L93 Difference]: Finished difference Result 947 states and 1262 transitions. [2019-11-07 00:37:48,932 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-07 00:37:48,932 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 44 [2019-11-07 00:37:48,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:37:48,937 INFO L225 Difference]: With dead ends: 947 [2019-11-07 00:37:48,937 INFO L226 Difference]: Without dead ends: 938 [2019-11-07 00:37:48,938 INFO L630 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 [2019-11-07 00:37:48,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 938 states. [2019-11-07 00:37:48,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 938 to 920. [2019-11-07 00:37:48,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 920 states. [2019-11-07 00:37:48,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 920 states and 1233 transitions. [2019-11-07 00:37:48,989 INFO L78 Accepts]: Start accepts. Automaton has 920 states and 1233 transitions. Word has length 44 [2019-11-07 00:37:48,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:37:48,989 INFO L462 AbstractCegarLoop]: Abstraction has 920 states and 1233 transitions. [2019-11-07 00:37:48,989 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-07 00:37:48,989 INFO L276 IsEmpty]: Start isEmpty. Operand 920 states and 1233 transitions. [2019-11-07 00:37:48,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-07 00:37:48,991 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:37:48,991 INFO L410 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] [2019-11-07 00:37:48,991 INFO L410 AbstractCegarLoop]: === Iteration 14 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:37:48,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:37:48,992 INFO L82 PathProgramCache]: Analyzing trace with hash -209494515, now seen corresponding path program 1 times [2019-11-07 00:37:48,992 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:37:48,992 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126143722] [2019-11-07 00:37:48,992 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:37:49,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:37:49,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:37:49,042 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126143722] [2019-11-07 00:37:49,042 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:37:49,043 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-07 00:37:49,043 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013322448] [2019-11-07 00:37:49,043 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-07 00:37:49,044 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:37:49,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-07 00:37:49,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-07 00:37:49,044 INFO L87 Difference]: Start difference. First operand 920 states and 1233 transitions. Second operand 4 states. [2019-11-07 00:37:49,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:37:49,152 INFO L93 Difference]: Finished difference Result 948 states and 1266 transitions. [2019-11-07 00:37:49,152 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-07 00:37:49,153 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 43 [2019-11-07 00:37:49,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:37:49,158 INFO L225 Difference]: With dead ends: 948 [2019-11-07 00:37:49,158 INFO L226 Difference]: Without dead ends: 926 [2019-11-07 00:37:49,159 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-07 00:37:49,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 926 states. [2019-11-07 00:37:49,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 926 to 920. [2019-11-07 00:37:49,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 920 states. [2019-11-07 00:37:49,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 920 states and 1233 transitions. [2019-11-07 00:37:49,205 INFO L78 Accepts]: Start accepts. Automaton has 920 states and 1233 transitions. Word has length 43 [2019-11-07 00:37:49,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:37:49,205 INFO L462 AbstractCegarLoop]: Abstraction has 920 states and 1233 transitions. [2019-11-07 00:37:49,205 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-07 00:37:49,205 INFO L276 IsEmpty]: Start isEmpty. Operand 920 states and 1233 transitions. [2019-11-07 00:37:49,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-07 00:37:49,207 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:37:49,207 INFO L410 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] [2019-11-07 00:37:49,207 INFO L410 AbstractCegarLoop]: === Iteration 15 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:37:49,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:37:49,208 INFO L82 PathProgramCache]: Analyzing trace with hash -1512549362, now seen corresponding path program 1 times [2019-11-07 00:37:49,208 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:37:49,208 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244831982] [2019-11-07 00:37:49,208 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:37:49,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:37:49,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:37:49,278 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244831982] [2019-11-07 00:37:49,278 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:37:49,278 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-07 00:37:49,279 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490851709] [2019-11-07 00:37:49,279 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-07 00:37:49,279 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:37:49,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-07 00:37:49,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-07 00:37:49,280 INFO L87 Difference]: Start difference. First operand 920 states and 1233 transitions. Second operand 5 states. [2019-11-07 00:37:49,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:37:49,346 INFO L93 Difference]: Finished difference Result 936 states and 1248 transitions. [2019-11-07 00:37:49,346 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-07 00:37:49,346 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 45 [2019-11-07 00:37:49,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:37:49,351 INFO L225 Difference]: With dead ends: 936 [2019-11-07 00:37:49,351 INFO L226 Difference]: Without dead ends: 918 [2019-11-07 00:37:49,354 INFO L630 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 [2019-11-07 00:37:49,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 918 states. [2019-11-07 00:37:49,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 918 to 918. [2019-11-07 00:37:49,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 918 states. [2019-11-07 00:37:49,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 918 states and 1229 transitions. [2019-11-07 00:37:49,400 INFO L78 Accepts]: Start accepts. Automaton has 918 states and 1229 transitions. Word has length 45 [2019-11-07 00:37:49,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:37:49,401 INFO L462 AbstractCegarLoop]: Abstraction has 918 states and 1229 transitions. [2019-11-07 00:37:49,401 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-07 00:37:49,401 INFO L276 IsEmpty]: Start isEmpty. Operand 918 states and 1229 transitions. [2019-11-07 00:37:49,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-07 00:37:49,403 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:37:49,403 INFO L410 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] [2019-11-07 00:37:49,403 INFO L410 AbstractCegarLoop]: === Iteration 16 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:37:49,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:37:49,404 INFO L82 PathProgramCache]: Analyzing trace with hash 2056203452, now seen corresponding path program 1 times [2019-11-07 00:37:49,404 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:37:49,404 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369460115] [2019-11-07 00:37:49,404 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:37:49,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:37:49,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:37:49,462 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369460115] [2019-11-07 00:37:49,462 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:37:49,462 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 00:37:49,463 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045203220] [2019-11-07 00:37:49,463 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 00:37:49,463 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:37:49,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 00:37:49,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 00:37:49,466 INFO L87 Difference]: Start difference. First operand 918 states and 1229 transitions. Second operand 3 states. [2019-11-07 00:37:49,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:37:49,518 INFO L93 Difference]: Finished difference Result 948 states and 1265 transitions. [2019-11-07 00:37:49,519 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 00:37:49,519 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2019-11-07 00:37:49,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:37:49,524 INFO L225 Difference]: With dead ends: 948 [2019-11-07 00:37:49,524 INFO L226 Difference]: Without dead ends: 900 [2019-11-07 00:37:49,525 INFO L630 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 [2019-11-07 00:37:49,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 900 states. [2019-11-07 00:37:49,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 900 to 896. [2019-11-07 00:37:49,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 896 states. [2019-11-07 00:37:49,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 896 states to 896 states and 1197 transitions. [2019-11-07 00:37:49,574 INFO L78 Accepts]: Start accepts. Automaton has 896 states and 1197 transitions. Word has length 46 [2019-11-07 00:37:49,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:37:49,574 INFO L462 AbstractCegarLoop]: Abstraction has 896 states and 1197 transitions. [2019-11-07 00:37:49,574 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 00:37:49,574 INFO L276 IsEmpty]: Start isEmpty. Operand 896 states and 1197 transitions. [2019-11-07 00:37:49,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-07 00:37:49,576 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:37:49,576 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 00:37:49,577 INFO L410 AbstractCegarLoop]: === Iteration 17 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:37:49,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:37:49,577 INFO L82 PathProgramCache]: Analyzing trace with hash 1390121879, now seen corresponding path program 1 times [2019-11-07 00:37:49,578 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:37:49,578 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619190106] [2019-11-07 00:37:49,578 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:37:49,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:37:49,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:37:49,632 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619190106] [2019-11-07 00:37:49,632 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:37:49,632 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-07 00:37:49,632 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984306387] [2019-11-07 00:37:49,633 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-07 00:37:49,633 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:37:49,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-07 00:37:49,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-07 00:37:49,634 INFO L87 Difference]: Start difference. First operand 896 states and 1197 transitions. Second operand 5 states. [2019-11-07 00:37:49,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:37:49,692 INFO L93 Difference]: Finished difference Result 912 states and 1212 transitions. [2019-11-07 00:37:49,693 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-07 00:37:49,693 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 47 [2019-11-07 00:37:49,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:37:49,698 INFO L225 Difference]: With dead ends: 912 [2019-11-07 00:37:49,698 INFO L226 Difference]: Without dead ends: 894 [2019-11-07 00:37:49,700 INFO L630 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 [2019-11-07 00:37:49,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 894 states. [2019-11-07 00:37:49,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 894 to 894. [2019-11-07 00:37:49,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 894 states. [2019-11-07 00:37:49,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1193 transitions. [2019-11-07 00:37:49,747 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1193 transitions. Word has length 47 [2019-11-07 00:37:49,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:37:49,748 INFO L462 AbstractCegarLoop]: Abstraction has 894 states and 1193 transitions. [2019-11-07 00:37:49,748 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-07 00:37:49,748 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1193 transitions. [2019-11-07 00:37:49,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-07 00:37:49,750 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:37:49,750 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 00:37:49,750 INFO L410 AbstractCegarLoop]: === Iteration 18 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:37:49,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:37:49,750 INFO L82 PathProgramCache]: Analyzing trace with hash -1483722839, now seen corresponding path program 1 times [2019-11-07 00:37:49,751 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:37:49,751 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147901779] [2019-11-07 00:37:49,751 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:37:49,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:37:49,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:37:49,802 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147901779] [2019-11-07 00:37:49,803 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:37:49,803 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-07 00:37:49,803 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616952250] [2019-11-07 00:37:49,803 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-07 00:37:49,804 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:37:49,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-07 00:37:49,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-07 00:37:49,805 INFO L87 Difference]: Start difference. First operand 894 states and 1193 transitions. Second operand 4 states. [2019-11-07 00:37:50,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:37:50,094 INFO L93 Difference]: Finished difference Result 978 states and 1276 transitions. [2019-11-07 00:37:50,094 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-07 00:37:50,094 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 52 [2019-11-07 00:37:50,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:37:50,098 INFO L225 Difference]: With dead ends: 978 [2019-11-07 00:37:50,098 INFO L226 Difference]: Without dead ends: 645 [2019-11-07 00:37:50,100 INFO L630 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 [2019-11-07 00:37:50,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 645 states. [2019-11-07 00:37:50,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 645 to 608. [2019-11-07 00:37:50,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 608 states. [2019-11-07 00:37:50,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 608 states and 786 transitions. [2019-11-07 00:37:50,139 INFO L78 Accepts]: Start accepts. Automaton has 608 states and 786 transitions. Word has length 52 [2019-11-07 00:37:50,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:37:50,139 INFO L462 AbstractCegarLoop]: Abstraction has 608 states and 786 transitions. [2019-11-07 00:37:50,140 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-07 00:37:50,140 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 786 transitions. [2019-11-07 00:37:50,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-07 00:37:50,144 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:37:50,144 INFO L410 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] [2019-11-07 00:37:50,145 INFO L410 AbstractCegarLoop]: === Iteration 19 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:37:50,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:37:50,146 INFO L82 PathProgramCache]: Analyzing trace with hash -489978371, now seen corresponding path program 1 times [2019-11-07 00:37:50,146 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:37:50,146 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343246767] [2019-11-07 00:37:50,146 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:37:50,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:37:50,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:37:50,214 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343246767] [2019-11-07 00:37:50,215 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:37:50,215 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-07 00:37:50,215 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065155840] [2019-11-07 00:37:50,216 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-07 00:37:50,216 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:37:50,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-07 00:37:50,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-07 00:37:50,217 INFO L87 Difference]: Start difference. First operand 608 states and 786 transitions. Second operand 6 states. [2019-11-07 00:37:50,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:37:50,310 INFO L93 Difference]: Finished difference Result 628 states and 806 transitions. [2019-11-07 00:37:50,311 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-07 00:37:50,311 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 50 [2019-11-07 00:37:50,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:37:50,314 INFO L225 Difference]: With dead ends: 628 [2019-11-07 00:37:50,314 INFO L226 Difference]: Without dead ends: 608 [2019-11-07 00:37:50,315 INFO L630 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 [2019-11-07 00:37:50,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 608 states. [2019-11-07 00:37:50,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 608 to 608. [2019-11-07 00:37:50,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 608 states. [2019-11-07 00:37:50,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 608 states and 774 transitions. [2019-11-07 00:37:50,347 INFO L78 Accepts]: Start accepts. Automaton has 608 states and 774 transitions. Word has length 50 [2019-11-07 00:37:50,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:37:50,348 INFO L462 AbstractCegarLoop]: Abstraction has 608 states and 774 transitions. [2019-11-07 00:37:50,348 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-07 00:37:50,348 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 774 transitions. [2019-11-07 00:37:50,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-07 00:37:50,350 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:37:50,350 INFO L410 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] [2019-11-07 00:37:50,350 INFO L410 AbstractCegarLoop]: === Iteration 20 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:37:50,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:37:50,350 INFO L82 PathProgramCache]: Analyzing trace with hash -192140927, now seen corresponding path program 1 times [2019-11-07 00:37:50,351 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:37:50,351 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324799253] [2019-11-07 00:37:50,351 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:37:50,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:37:50,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:37:50,394 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324799253] [2019-11-07 00:37:50,394 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:37:50,395 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 00:37:50,395 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647083063] [2019-11-07 00:37:50,395 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 00:37:50,395 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:37:50,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 00:37:50,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 00:37:50,396 INFO L87 Difference]: Start difference. First operand 608 states and 774 transitions. Second operand 3 states. [2019-11-07 00:37:50,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:37:50,535 INFO L93 Difference]: Finished difference Result 816 states and 1051 transitions. [2019-11-07 00:37:50,536 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 00:37:50,536 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 50 [2019-11-07 00:37:50,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:37:50,541 INFO L225 Difference]: With dead ends: 816 [2019-11-07 00:37:50,541 INFO L226 Difference]: Without dead ends: 804 [2019-11-07 00:37:50,542 INFO L630 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 [2019-11-07 00:37:50,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 804 states. [2019-11-07 00:37:50,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 804 to 671. [2019-11-07 00:37:50,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 671 states. [2019-11-07 00:37:50,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 671 states and 852 transitions. [2019-11-07 00:37:50,587 INFO L78 Accepts]: Start accepts. Automaton has 671 states and 852 transitions. Word has length 50 [2019-11-07 00:37:50,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:37:50,588 INFO L462 AbstractCegarLoop]: Abstraction has 671 states and 852 transitions. [2019-11-07 00:37:50,588 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 00:37:50,588 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 852 transitions. [2019-11-07 00:37:50,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-07 00:37:50,590 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:37:50,590 INFO L410 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] [2019-11-07 00:37:50,590 INFO L410 AbstractCegarLoop]: === Iteration 21 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:37:50,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:37:50,590 INFO L82 PathProgramCache]: Analyzing trace with hash -2014423191, now seen corresponding path program 1 times [2019-11-07 00:37:50,591 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:37:50,591 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955125245] [2019-11-07 00:37:50,591 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:37:50,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:37:50,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:37:50,666 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955125245] [2019-11-07 00:37:50,667 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:37:50,667 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 00:37:50,667 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263315586] [2019-11-07 00:37:50,667 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 00:37:50,668 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:37:50,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 00:37:50,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-07 00:37:50,668 INFO L87 Difference]: Start difference. First operand 671 states and 852 transitions. Second operand 7 states. [2019-11-07 00:37:50,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:37:50,794 INFO L93 Difference]: Finished difference Result 721 states and 906 transitions. [2019-11-07 00:37:50,794 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-07 00:37:50,795 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2019-11-07 00:37:50,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:37:50,799 INFO L225 Difference]: With dead ends: 721 [2019-11-07 00:37:50,799 INFO L226 Difference]: Without dead ends: 672 [2019-11-07 00:37:50,800 INFO L630 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 [2019-11-07 00:37:50,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 672 states. [2019-11-07 00:37:50,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 672 to 659. [2019-11-07 00:37:50,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 659 states. [2019-11-07 00:37:50,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 833 transitions. [2019-11-07 00:37:50,878 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 833 transitions. Word has length 51 [2019-11-07 00:37:50,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:37:50,879 INFO L462 AbstractCegarLoop]: Abstraction has 659 states and 833 transitions. [2019-11-07 00:37:50,879 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 00:37:50,879 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 833 transitions. [2019-11-07 00:37:50,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-07 00:37:50,881 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:37:50,881 INFO L410 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] [2019-11-07 00:37:50,881 INFO L410 AbstractCegarLoop]: === Iteration 22 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:37:50,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:37:50,881 INFO L82 PathProgramCache]: Analyzing trace with hash -1090292134, now seen corresponding path program 1 times [2019-11-07 00:37:50,882 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:37:50,882 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931852956] [2019-11-07 00:37:50,882 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:37:50,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:37:50,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:37:50,939 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931852956] [2019-11-07 00:37:50,939 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:37:50,940 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-07 00:37:50,940 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199507526] [2019-11-07 00:37:50,940 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-07 00:37:50,940 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:37:50,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-07 00:37:50,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-07 00:37:50,941 INFO L87 Difference]: Start difference. First operand 659 states and 833 transitions. Second operand 6 states. [2019-11-07 00:37:51,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:37:51,000 INFO L93 Difference]: Finished difference Result 686 states and 864 transitions. [2019-11-07 00:37:51,001 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-07 00:37:51,001 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 51 [2019-11-07 00:37:51,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:37:51,004 INFO L225 Difference]: With dead ends: 686 [2019-11-07 00:37:51,005 INFO L226 Difference]: Without dead ends: 661 [2019-11-07 00:37:51,005 INFO L630 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 [2019-11-07 00:37:51,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 661 states. [2019-11-07 00:37:51,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 661 to 661. [2019-11-07 00:37:51,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 661 states. [2019-11-07 00:37:51,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 661 states and 835 transitions. [2019-11-07 00:37:51,041 INFO L78 Accepts]: Start accepts. Automaton has 661 states and 835 transitions. Word has length 51 [2019-11-07 00:37:51,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:37:51,041 INFO L462 AbstractCegarLoop]: Abstraction has 661 states and 835 transitions. [2019-11-07 00:37:51,041 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-07 00:37:51,041 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 835 transitions. [2019-11-07 00:37:51,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-07 00:37:51,043 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:37:51,043 INFO L410 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] [2019-11-07 00:37:51,043 INFO L410 AbstractCegarLoop]: === Iteration 23 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:37:51,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:37:51,044 INFO L82 PathProgramCache]: Analyzing trace with hash -1208522397, now seen corresponding path program 1 times [2019-11-07 00:37:51,044 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:37:51,044 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409199656] [2019-11-07 00:37:51,044 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:37:51,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:37:51,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:37:51,115 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409199656] [2019-11-07 00:37:51,115 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:37:51,115 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-07 00:37:51,115 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016999684] [2019-11-07 00:37:51,115 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-07 00:37:51,116 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:37:51,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-07 00:37:51,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-11-07 00:37:51,116 INFO L87 Difference]: Start difference. First operand 661 states and 835 transitions. Second operand 8 states. [2019-11-07 00:37:51,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:37:51,304 INFO L93 Difference]: Finished difference Result 691 states and 869 transitions. [2019-11-07 00:37:51,304 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-07 00:37:51,305 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2019-11-07 00:37:51,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:37:51,308 INFO L225 Difference]: With dead ends: 691 [2019-11-07 00:37:51,309 INFO L226 Difference]: Without dead ends: 687 [2019-11-07 00:37:51,309 INFO L630 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 [2019-11-07 00:37:51,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 687 states. [2019-11-07 00:37:51,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 687 to 679. [2019-11-07 00:37:51,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 679 states. [2019-11-07 00:37:51,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 679 states and 856 transitions. [2019-11-07 00:37:51,346 INFO L78 Accepts]: Start accepts. Automaton has 679 states and 856 transitions. Word has length 51 [2019-11-07 00:37:51,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:37:51,347 INFO L462 AbstractCegarLoop]: Abstraction has 679 states and 856 transitions. [2019-11-07 00:37:51,347 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-07 00:37:51,347 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 856 transitions. [2019-11-07 00:37:51,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-07 00:37:51,349 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:37:51,349 INFO L410 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] [2019-11-07 00:37:51,349 INFO L410 AbstractCegarLoop]: === Iteration 24 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:37:51,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:37:51,349 INFO L82 PathProgramCache]: Analyzing trace with hash -1208799227, now seen corresponding path program 1 times [2019-11-07 00:37:51,349 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:37:51,350 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192504089] [2019-11-07 00:37:51,350 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:37:51,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:37:51,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:37:51,421 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192504089] [2019-11-07 00:37:51,422 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:37:51,422 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-07 00:37:51,422 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968036020] [2019-11-07 00:37:51,422 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-07 00:37:51,423 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:37:51,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-07 00:37:51,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-11-07 00:37:51,423 INFO L87 Difference]: Start difference. First operand 679 states and 856 transitions. Second operand 8 states. [2019-11-07 00:37:51,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:37:51,535 INFO L93 Difference]: Finished difference Result 1079 states and 1387 transitions. [2019-11-07 00:37:51,536 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-07 00:37:51,536 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2019-11-07 00:37:51,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:37:51,540 INFO L225 Difference]: With dead ends: 1079 [2019-11-07 00:37:51,540 INFO L226 Difference]: Without dead ends: 722 [2019-11-07 00:37:51,544 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-11-07 00:37:51,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 722 states. [2019-11-07 00:37:51,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 722 to 705. [2019-11-07 00:37:51,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 705 states. [2019-11-07 00:37:51,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 705 states and 900 transitions. [2019-11-07 00:37:51,582 INFO L78 Accepts]: Start accepts. Automaton has 705 states and 900 transitions. Word has length 51 [2019-11-07 00:37:51,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:37:51,583 INFO L462 AbstractCegarLoop]: Abstraction has 705 states and 900 transitions. [2019-11-07 00:37:51,583 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-07 00:37:51,583 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 900 transitions. [2019-11-07 00:37:51,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-07 00:37:51,585 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:37:51,585 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 00:37:51,585 INFO L410 AbstractCegarLoop]: === Iteration 25 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:37:51,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:37:51,586 INFO L82 PathProgramCache]: Analyzing trace with hash 987376175, now seen corresponding path program 1 times [2019-11-07 00:37:51,586 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:37:51,586 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730817640] [2019-11-07 00:37:51,586 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:37:51,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:37:51,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:37:51,853 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730817640] [2019-11-07 00:37:51,854 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:37:51,854 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2019-11-07 00:37:51,854 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598207952] [2019-11-07 00:37:51,855 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-11-07 00:37:51,855 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:37:51,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-11-07 00:37:51,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2019-11-07 00:37:51,856 INFO L87 Difference]: Start difference. First operand 705 states and 900 transitions. Second operand 15 states. [2019-11-07 00:37:55,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:37:55,165 INFO L93 Difference]: Finished difference Result 1101 states and 1422 transitions. [2019-11-07 00:37:55,168 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-11-07 00:37:55,168 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 52 [2019-11-07 00:37:55,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:37:55,173 INFO L225 Difference]: With dead ends: 1101 [2019-11-07 00:37:55,173 INFO L226 Difference]: Without dead ends: 851 [2019-11-07 00:37:55,175 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=125, Invalid=805, Unknown=0, NotChecked=0, Total=930 [2019-11-07 00:37:55,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 851 states. [2019-11-07 00:37:55,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 851 to 716. [2019-11-07 00:37:55,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 716 states. [2019-11-07 00:37:55,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 716 states and 915 transitions. [2019-11-07 00:37:55,220 INFO L78 Accepts]: Start accepts. Automaton has 716 states and 915 transitions. Word has length 52 [2019-11-07 00:37:55,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:37:55,220 INFO L462 AbstractCegarLoop]: Abstraction has 716 states and 915 transitions. [2019-11-07 00:37:55,221 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-11-07 00:37:55,221 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 915 transitions. [2019-11-07 00:37:55,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-07 00:37:55,222 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:37:55,223 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 00:37:55,223 INFO L410 AbstractCegarLoop]: === Iteration 26 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:37:55,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:37:55,223 INFO L82 PathProgramCache]: Analyzing trace with hash -1519216017, now seen corresponding path program 1 times [2019-11-07 00:37:55,223 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:37:55,223 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254641916] [2019-11-07 00:37:55,224 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:37:55,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:37:55,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:37:55,367 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254641916] [2019-11-07 00:37:55,367 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:37:55,367 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-11-07 00:37:55,368 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568034161] [2019-11-07 00:37:55,368 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-07 00:37:55,368 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:37:55,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-07 00:37:55,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-11-07 00:37:55,369 INFO L87 Difference]: Start difference. First operand 716 states and 915 transitions. Second operand 10 states. [2019-11-07 00:37:57,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:37:57,615 INFO L93 Difference]: Finished difference Result 921 states and 1198 transitions. [2019-11-07 00:37:57,615 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-11-07 00:37:57,615 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 52 [2019-11-07 00:37:57,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:37:57,620 INFO L225 Difference]: With dead ends: 921 [2019-11-07 00:37:57,621 INFO L226 Difference]: Without dead ends: 905 [2019-11-07 00:37:57,622 INFO L630 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 [2019-11-07 00:37:57,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 905 states. [2019-11-07 00:37:57,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 905 to 730. [2019-11-07 00:37:57,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 730 states. [2019-11-07 00:37:57,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 730 states and 928 transitions. [2019-11-07 00:37:57,665 INFO L78 Accepts]: Start accepts. Automaton has 730 states and 928 transitions. Word has length 52 [2019-11-07 00:37:57,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:37:57,665 INFO L462 AbstractCegarLoop]: Abstraction has 730 states and 928 transitions. [2019-11-07 00:37:57,666 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-07 00:37:57,666 INFO L276 IsEmpty]: Start isEmpty. Operand 730 states and 928 transitions. [2019-11-07 00:37:57,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-07 00:37:57,668 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:37:57,668 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 00:37:57,668 INFO L410 AbstractCegarLoop]: === Iteration 27 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:37:57,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:37:57,668 INFO L82 PathProgramCache]: Analyzing trace with hash -581698746, now seen corresponding path program 1 times [2019-11-07 00:37:57,669 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:37:57,669 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242312202] [2019-11-07 00:37:57,669 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:37:57,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:37:57,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:37:57,714 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242312202] [2019-11-07 00:37:57,714 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:37:57,715 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 00:37:57,715 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250571867] [2019-11-07 00:37:57,715 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 00:37:57,715 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:37:57,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 00:37:57,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 00:37:57,716 INFO L87 Difference]: Start difference. First operand 730 states and 928 transitions. Second operand 3 states. [2019-11-07 00:37:57,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:37:57,902 INFO L93 Difference]: Finished difference Result 974 states and 1255 transitions. [2019-11-07 00:37:57,903 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 00:37:57,903 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2019-11-07 00:37:57,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:37:57,908 INFO L225 Difference]: With dead ends: 974 [2019-11-07 00:37:57,909 INFO L226 Difference]: Without dead ends: 944 [2019-11-07 00:37:57,910 INFO L630 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 [2019-11-07 00:37:57,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 944 states. [2019-11-07 00:37:57,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 944 to 802. [2019-11-07 00:37:57,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 802 states. [2019-11-07 00:37:57,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 802 states and 1021 transitions. [2019-11-07 00:37:57,961 INFO L78 Accepts]: Start accepts. Automaton has 802 states and 1021 transitions. Word has length 52 [2019-11-07 00:37:57,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:37:57,963 INFO L462 AbstractCegarLoop]: Abstraction has 802 states and 1021 transitions. [2019-11-07 00:37:57,963 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 00:37:57,963 INFO L276 IsEmpty]: Start isEmpty. Operand 802 states and 1021 transitions. [2019-11-07 00:37:57,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-07 00:37:57,965 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:37:57,965 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 00:37:57,966 INFO L410 AbstractCegarLoop]: === Iteration 28 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:37:57,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:37:57,966 INFO L82 PathProgramCache]: Analyzing trace with hash -724978104, now seen corresponding path program 1 times [2019-11-07 00:37:57,966 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:37:57,966 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313618625] [2019-11-07 00:37:57,966 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:37:57,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:37:58,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:37:58,052 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313618625] [2019-11-07 00:37:58,052 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:37:58,052 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 00:37:58,053 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605262515] [2019-11-07 00:37:58,053 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 00:37:58,053 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:37:58,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 00:37:58,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-07 00:37:58,054 INFO L87 Difference]: Start difference. First operand 802 states and 1021 transitions. Second operand 7 states. [2019-11-07 00:37:58,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:37:58,804 INFO L93 Difference]: Finished difference Result 866 states and 1102 transitions. [2019-11-07 00:37:58,804 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-07 00:37:58,805 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2019-11-07 00:37:58,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:37:58,809 INFO L225 Difference]: With dead ends: 866 [2019-11-07 00:37:58,809 INFO L226 Difference]: Without dead ends: 760 [2019-11-07 00:37:58,810 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2019-11-07 00:37:58,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 760 states. [2019-11-07 00:37:58,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 760 to 742. [2019-11-07 00:37:58,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 742 states. [2019-11-07 00:37:58,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 742 states and 938 transitions. [2019-11-07 00:37:58,854 INFO L78 Accepts]: Start accepts. Automaton has 742 states and 938 transitions. Word has length 52 [2019-11-07 00:37:58,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:37:58,854 INFO L462 AbstractCegarLoop]: Abstraction has 742 states and 938 transitions. [2019-11-07 00:37:58,854 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 00:37:58,854 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 938 transitions. [2019-11-07 00:37:58,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-07 00:37:58,856 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:37:58,856 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 00:37:58,856 INFO L410 AbstractCegarLoop]: === Iteration 29 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:37:58,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:37:58,857 INFO L82 PathProgramCache]: Analyzing trace with hash 44639785, now seen corresponding path program 1 times [2019-11-07 00:37:58,857 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:37:58,857 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55659788] [2019-11-07 00:37:58,857 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:37:58,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:37:58,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:37:58,913 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55659788] [2019-11-07 00:37:58,913 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:37:58,913 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 00:37:58,914 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729537194] [2019-11-07 00:37:58,914 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 00:37:58,914 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:37:58,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 00:37:58,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 00:37:58,915 INFO L87 Difference]: Start difference. First operand 742 states and 938 transitions. Second operand 3 states. [2019-11-07 00:37:58,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:37:58,996 INFO L93 Difference]: Finished difference Result 1040 states and 1327 transitions. [2019-11-07 00:37:58,997 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 00:37:58,997 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2019-11-07 00:37:58,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:37:59,002 INFO L225 Difference]: With dead ends: 1040 [2019-11-07 00:37:59,002 INFO L226 Difference]: Without dead ends: 742 [2019-11-07 00:37:59,005 INFO L630 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 [2019-11-07 00:37:59,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 742 states. [2019-11-07 00:37:59,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 742 to 742. [2019-11-07 00:37:59,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 742 states. [2019-11-07 00:37:59,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 742 states and 936 transitions. [2019-11-07 00:37:59,056 INFO L78 Accepts]: Start accepts. Automaton has 742 states and 936 transitions. Word has length 58 [2019-11-07 00:37:59,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:37:59,057 INFO L462 AbstractCegarLoop]: Abstraction has 742 states and 936 transitions. [2019-11-07 00:37:59,057 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 00:37:59,057 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 936 transitions. [2019-11-07 00:37:59,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-11-07 00:37:59,059 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:37:59,059 INFO L410 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] [2019-11-07 00:37:59,059 INFO L410 AbstractCegarLoop]: === Iteration 30 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:37:59,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:37:59,059 INFO L82 PathProgramCache]: Analyzing trace with hash 1295429258, now seen corresponding path program 1 times [2019-11-07 00:37:59,060 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:37:59,060 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226965438] [2019-11-07 00:37:59,060 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:37:59,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:37:59,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:37:59,225 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226965438] [2019-11-07 00:37:59,226 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:37:59,227 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-11-07 00:37:59,227 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222843644] [2019-11-07 00:37:59,227 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-07 00:37:59,227 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:37:59,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-07 00:37:59,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2019-11-07 00:37:59,228 INFO L87 Difference]: Start difference. First operand 742 states and 936 transitions. Second operand 11 states. [2019-11-07 00:38:00,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:38:00,288 INFO L93 Difference]: Finished difference Result 1091 states and 1402 transitions. [2019-11-07 00:38:00,288 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-07 00:38:00,288 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 54 [2019-11-07 00:38:00,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:38:00,292 INFO L225 Difference]: With dead ends: 1091 [2019-11-07 00:38:00,292 INFO L226 Difference]: Without dead ends: 781 [2019-11-07 00:38:00,294 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2019-11-07 00:38:00,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 781 states. [2019-11-07 00:38:00,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 781 to 748. [2019-11-07 00:38:00,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 748 states. [2019-11-07 00:38:00,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 748 states and 945 transitions. [2019-11-07 00:38:00,337 INFO L78 Accepts]: Start accepts. Automaton has 748 states and 945 transitions. Word has length 54 [2019-11-07 00:38:00,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:38:00,338 INFO L462 AbstractCegarLoop]: Abstraction has 748 states and 945 transitions. [2019-11-07 00:38:00,338 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-07 00:38:00,338 INFO L276 IsEmpty]: Start isEmpty. Operand 748 states and 945 transitions. [2019-11-07 00:38:00,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-11-07 00:38:00,341 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:38:00,341 INFO L410 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] [2019-11-07 00:38:00,342 INFO L410 AbstractCegarLoop]: === Iteration 31 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:38:00,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:38:00,342 INFO L82 PathProgramCache]: Analyzing trace with hash 1936985802, now seen corresponding path program 1 times [2019-11-07 00:38:00,342 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:38:00,342 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172774905] [2019-11-07 00:38:00,342 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:38:00,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:38:00,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:38:00,405 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172774905] [2019-11-07 00:38:00,406 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:38:00,406 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-07 00:38:00,406 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107373986] [2019-11-07 00:38:00,406 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-07 00:38:00,407 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:38:00,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-07 00:38:00,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-07 00:38:00,411 INFO L87 Difference]: Start difference. First operand 748 states and 945 transitions. Second operand 5 states. [2019-11-07 00:38:00,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:38:00,884 INFO L93 Difference]: Finished difference Result 837 states and 1056 transitions. [2019-11-07 00:38:00,884 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-07 00:38:00,884 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2019-11-07 00:38:00,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:38:00,888 INFO L225 Difference]: With dead ends: 837 [2019-11-07 00:38:00,888 INFO L226 Difference]: Without dead ends: 819 [2019-11-07 00:38:00,889 INFO L630 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 [2019-11-07 00:38:00,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 819 states. [2019-11-07 00:38:00,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 819 to 743. [2019-11-07 00:38:00,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 743 states. [2019-11-07 00:38:00,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 743 states and 935 transitions. [2019-11-07 00:38:00,931 INFO L78 Accepts]: Start accepts. Automaton has 743 states and 935 transitions. Word has length 54 [2019-11-07 00:38:00,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:38:00,931 INFO L462 AbstractCegarLoop]: Abstraction has 743 states and 935 transitions. [2019-11-07 00:38:00,931 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-07 00:38:00,931 INFO L276 IsEmpty]: Start isEmpty. Operand 743 states and 935 transitions. [2019-11-07 00:38:00,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-11-07 00:38:00,933 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:38:00,934 INFO L410 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] [2019-11-07 00:38:00,934 INFO L410 AbstractCegarLoop]: === Iteration 32 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:38:00,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:38:00,934 INFO L82 PathProgramCache]: Analyzing trace with hash -88385251, now seen corresponding path program 1 times [2019-11-07 00:38:00,935 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:38:00,937 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769134042] [2019-11-07 00:38:00,937 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:38:00,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:38:01,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:38:01,012 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769134042] [2019-11-07 00:38:01,012 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:38:01,012 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-07 00:38:01,012 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266266443] [2019-11-07 00:38:01,013 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-07 00:38:01,013 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:38:01,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-07 00:38:01,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-11-07 00:38:01,013 INFO L87 Difference]: Start difference. First operand 743 states and 935 transitions. Second operand 8 states. [2019-11-07 00:38:01,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:38:01,088 INFO L93 Difference]: Finished difference Result 756 states and 947 transitions. [2019-11-07 00:38:01,088 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-07 00:38:01,088 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 55 [2019-11-07 00:38:01,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:38:01,092 INFO L225 Difference]: With dead ends: 756 [2019-11-07 00:38:01,092 INFO L226 Difference]: Without dead ends: 728 [2019-11-07 00:38:01,094 INFO L630 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 [2019-11-07 00:38:01,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 728 states. [2019-11-07 00:38:01,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 728 to 728. [2019-11-07 00:38:01,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 728 states. [2019-11-07 00:38:01,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 728 states and 916 transitions. [2019-11-07 00:38:01,173 INFO L78 Accepts]: Start accepts. Automaton has 728 states and 916 transitions. Word has length 55 [2019-11-07 00:38:01,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:38:01,173 INFO L462 AbstractCegarLoop]: Abstraction has 728 states and 916 transitions. [2019-11-07 00:38:01,174 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-07 00:38:01,174 INFO L276 IsEmpty]: Start isEmpty. Operand 728 states and 916 transitions. [2019-11-07 00:38:01,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-07 00:38:01,175 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:38:01,175 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 00:38:01,176 INFO L410 AbstractCegarLoop]: === Iteration 33 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:38:01,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:38:01,176 INFO L82 PathProgramCache]: Analyzing trace with hash -1842434508, now seen corresponding path program 1 times [2019-11-07 00:38:01,176 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:38:01,176 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826973497] [2019-11-07 00:38:01,176 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:38:01,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:38:01,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:38:01,241 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826973497] [2019-11-07 00:38:01,242 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:38:01,242 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-07 00:38:01,242 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483464472] [2019-11-07 00:38:01,242 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-07 00:38:01,242 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:38:01,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-07 00:38:01,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-11-07 00:38:01,243 INFO L87 Difference]: Start difference. First operand 728 states and 916 transitions. Second operand 8 states. [2019-11-07 00:38:01,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:38:01,397 INFO L93 Difference]: Finished difference Result 751 states and 939 transitions. [2019-11-07 00:38:01,397 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-07 00:38:01,397 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 56 [2019-11-07 00:38:01,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:38:01,401 INFO L225 Difference]: With dead ends: 751 [2019-11-07 00:38:01,401 INFO L226 Difference]: Without dead ends: 723 [2019-11-07 00:38:01,402 INFO L630 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 [2019-11-07 00:38:01,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 723 states. [2019-11-07 00:38:01,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 723 to 723. [2019-11-07 00:38:01,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 723 states. [2019-11-07 00:38:01,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 723 states and 908 transitions. [2019-11-07 00:38:01,439 INFO L78 Accepts]: Start accepts. Automaton has 723 states and 908 transitions. Word has length 56 [2019-11-07 00:38:01,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:38:01,439 INFO L462 AbstractCegarLoop]: Abstraction has 723 states and 908 transitions. [2019-11-07 00:38:01,440 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-07 00:38:01,440 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 908 transitions. [2019-11-07 00:38:01,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-11-07 00:38:01,441 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:38:01,442 INFO L410 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] [2019-11-07 00:38:01,442 INFO L410 AbstractCegarLoop]: === Iteration 34 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:38:01,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:38:01,442 INFO L82 PathProgramCache]: Analyzing trace with hash 407710022, now seen corresponding path program 1 times [2019-11-07 00:38:01,442 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:38:01,443 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687506567] [2019-11-07 00:38:01,443 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:38:01,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:38:01,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:38:01,571 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687506567] [2019-11-07 00:38:01,571 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:38:01,571 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-07 00:38:01,571 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671802404] [2019-11-07 00:38:01,572 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-07 00:38:01,572 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:38:01,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-07 00:38:01,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-07 00:38:01,573 INFO L87 Difference]: Start difference. First operand 723 states and 908 transitions. Second operand 5 states. [2019-11-07 00:38:01,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:38:01,638 INFO L93 Difference]: Finished difference Result 982 states and 1245 transitions. [2019-11-07 00:38:01,638 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-07 00:38:01,639 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2019-11-07 00:38:01,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:38:01,651 INFO L225 Difference]: With dead ends: 982 [2019-11-07 00:38:01,651 INFO L226 Difference]: Without dead ends: 665 [2019-11-07 00:38:01,653 INFO L630 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 [2019-11-07 00:38:01,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2019-11-07 00:38:01,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 665. [2019-11-07 00:38:01,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 665 states. [2019-11-07 00:38:01,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 665 states and 824 transitions. [2019-11-07 00:38:01,706 INFO L78 Accepts]: Start accepts. Automaton has 665 states and 824 transitions. Word has length 64 [2019-11-07 00:38:01,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:38:01,707 INFO L462 AbstractCegarLoop]: Abstraction has 665 states and 824 transitions. [2019-11-07 00:38:01,707 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-07 00:38:01,707 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 824 transitions. [2019-11-07 00:38:01,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-07 00:38:01,710 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:38:01,710 INFO L410 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] [2019-11-07 00:38:01,710 INFO L410 AbstractCegarLoop]: === Iteration 35 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:38:01,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:38:01,711 INFO L82 PathProgramCache]: Analyzing trace with hash 727993337, now seen corresponding path program 1 times [2019-11-07 00:38:01,711 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:38:01,711 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981695901] [2019-11-07 00:38:01,711 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:38:01,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:38:01,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:38:01,776 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981695901] [2019-11-07 00:38:01,776 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:38:01,776 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-07 00:38:01,776 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569857957] [2019-11-07 00:38:01,777 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-07 00:38:01,777 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:38:01,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-07 00:38:01,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-07 00:38:01,778 INFO L87 Difference]: Start difference. First operand 665 states and 824 transitions. Second operand 6 states. [2019-11-07 00:38:01,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:38:01,866 INFO L93 Difference]: Finished difference Result 696 states and 855 transitions. [2019-11-07 00:38:01,866 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-07 00:38:01,867 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2019-11-07 00:38:01,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:38:01,871 INFO L225 Difference]: With dead ends: 696 [2019-11-07 00:38:01,871 INFO L226 Difference]: Without dead ends: 672 [2019-11-07 00:38:01,872 INFO L630 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 [2019-11-07 00:38:01,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 672 states. [2019-11-07 00:38:01,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 672 to 660. [2019-11-07 00:38:01,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 660 states. [2019-11-07 00:38:01,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 660 states and 818 transitions. [2019-11-07 00:38:01,913 INFO L78 Accepts]: Start accepts. Automaton has 660 states and 818 transitions. Word has length 60 [2019-11-07 00:38:01,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:38:01,913 INFO L462 AbstractCegarLoop]: Abstraction has 660 states and 818 transitions. [2019-11-07 00:38:01,913 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-07 00:38:01,913 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 818 transitions. [2019-11-07 00:38:01,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-11-07 00:38:01,915 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:38:01,915 INFO L410 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] [2019-11-07 00:38:01,916 INFO L410 AbstractCegarLoop]: === Iteration 36 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:38:01,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:38:01,916 INFO L82 PathProgramCache]: Analyzing trace with hash -1568169683, now seen corresponding path program 1 times [2019-11-07 00:38:01,916 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:38:01,916 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459840543] [2019-11-07 00:38:01,917 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:38:01,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:38:01,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:38:01,990 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459840543] [2019-11-07 00:38:01,990 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:38:01,990 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-07 00:38:01,990 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888984582] [2019-11-07 00:38:01,991 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-07 00:38:01,991 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:38:01,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-07 00:38:01,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-07 00:38:01,991 INFO L87 Difference]: Start difference. First operand 660 states and 818 transitions. Second operand 5 states. [2019-11-07 00:38:02,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:38:02,278 INFO L93 Difference]: Finished difference Result 919 states and 1148 transitions. [2019-11-07 00:38:02,278 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-07 00:38:02,278 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 68 [2019-11-07 00:38:02,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:38:02,283 INFO L225 Difference]: With dead ends: 919 [2019-11-07 00:38:02,283 INFO L226 Difference]: Without dead ends: 660 [2019-11-07 00:38:02,285 INFO L630 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 [2019-11-07 00:38:02,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 660 states. [2019-11-07 00:38:02,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 660 to 660. [2019-11-07 00:38:02,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 660 states. [2019-11-07 00:38:02,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 660 states and 816 transitions. [2019-11-07 00:38:02,325 INFO L78 Accepts]: Start accepts. Automaton has 660 states and 816 transitions. Word has length 68 [2019-11-07 00:38:02,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:38:02,325 INFO L462 AbstractCegarLoop]: Abstraction has 660 states and 816 transitions. [2019-11-07 00:38:02,325 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-07 00:38:02,326 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 816 transitions. [2019-11-07 00:38:02,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-07 00:38:02,328 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:38:02,328 INFO L410 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] [2019-11-07 00:38:02,328 INFO L410 AbstractCegarLoop]: === Iteration 37 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:38:02,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:38:02,328 INFO L82 PathProgramCache]: Analyzing trace with hash 1688753324, now seen corresponding path program 1 times [2019-11-07 00:38:02,328 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:38:02,329 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836817060] [2019-11-07 00:38:02,329 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:38:02,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:38:02,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:38:02,404 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836817060] [2019-11-07 00:38:02,404 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:38:02,405 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-11-07 00:38:02,405 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950551800] [2019-11-07 00:38:02,405 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-07 00:38:02,405 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:38:02,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-07 00:38:02,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-11-07 00:38:02,406 INFO L87 Difference]: Start difference. First operand 660 states and 816 transitions. Second operand 9 states. [2019-11-07 00:38:02,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:38:02,639 INFO L93 Difference]: Finished difference Result 689 states and 847 transitions. [2019-11-07 00:38:02,639 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-07 00:38:02,640 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 61 [2019-11-07 00:38:02,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:38:02,642 INFO L225 Difference]: With dead ends: 689 [2019-11-07 00:38:02,642 INFO L226 Difference]: Without dead ends: 655 [2019-11-07 00:38:02,643 INFO L630 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 [2019-11-07 00:38:02,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 655 states. [2019-11-07 00:38:02,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 655 to 655. [2019-11-07 00:38:02,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 655 states. [2019-11-07 00:38:02,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 655 states and 808 transitions. [2019-11-07 00:38:02,683 INFO L78 Accepts]: Start accepts. Automaton has 655 states and 808 transitions. Word has length 61 [2019-11-07 00:38:02,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:38:02,684 INFO L462 AbstractCegarLoop]: Abstraction has 655 states and 808 transitions. [2019-11-07 00:38:02,684 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-07 00:38:02,684 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 808 transitions. [2019-11-07 00:38:02,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-07 00:38:02,686 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:38:02,686 INFO L410 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] [2019-11-07 00:38:02,686 INFO L410 AbstractCegarLoop]: === Iteration 38 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:38:02,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:38:02,686 INFO L82 PathProgramCache]: Analyzing trace with hash 1152303328, now seen corresponding path program 1 times [2019-11-07 00:38:02,687 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:38:02,687 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493062988] [2019-11-07 00:38:02,687 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:38:02,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:38:02,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:38:02,745 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493062988] [2019-11-07 00:38:02,745 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:38:02,745 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-07 00:38:02,745 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635298238] [2019-11-07 00:38:02,746 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-07 00:38:02,746 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:38:02,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-07 00:38:02,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-07 00:38:02,746 INFO L87 Difference]: Start difference. First operand 655 states and 808 transitions. Second operand 5 states. [2019-11-07 00:38:02,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:38:02,794 INFO L93 Difference]: Finished difference Result 778 states and 953 transitions. [2019-11-07 00:38:02,795 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-07 00:38:02,795 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 63 [2019-11-07 00:38:02,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:38:02,797 INFO L225 Difference]: With dead ends: 778 [2019-11-07 00:38:02,797 INFO L226 Difference]: Without dead ends: 661 [2019-11-07 00:38:02,798 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-07 00:38:02,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 661 states. [2019-11-07 00:38:02,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 661 to 659. [2019-11-07 00:38:02,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 659 states. [2019-11-07 00:38:02,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 812 transitions. [2019-11-07 00:38:02,834 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 812 transitions. Word has length 63 [2019-11-07 00:38:02,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:38:02,834 INFO L462 AbstractCegarLoop]: Abstraction has 659 states and 812 transitions. [2019-11-07 00:38:02,834 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-07 00:38:02,835 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 812 transitions. [2019-11-07 00:38:02,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-07 00:38:02,836 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:38:02,836 INFO L410 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] [2019-11-07 00:38:02,837 INFO L410 AbstractCegarLoop]: === Iteration 39 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:38:02,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:38:02,837 INFO L82 PathProgramCache]: Analyzing trace with hash -862866401, now seen corresponding path program 1 times [2019-11-07 00:38:02,837 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:38:02,837 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285925093] [2019-11-07 00:38:02,838 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:38:02,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:38:02,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:38:02,917 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285925093] [2019-11-07 00:38:02,917 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:38:02,917 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-11-07 00:38:02,917 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441957557] [2019-11-07 00:38:02,918 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-07 00:38:02,918 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:38:02,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-07 00:38:02,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-11-07 00:38:02,918 INFO L87 Difference]: Start difference. First operand 659 states and 812 transitions. Second operand 9 states. [2019-11-07 00:38:03,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:38:03,009 INFO L93 Difference]: Finished difference Result 896 states and 1085 transitions. [2019-11-07 00:38:03,009 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-07 00:38:03,010 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 63 [2019-11-07 00:38:03,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:38:03,012 INFO L225 Difference]: With dead ends: 896 [2019-11-07 00:38:03,012 INFO L226 Difference]: Without dead ends: 661 [2019-11-07 00:38:03,015 INFO L630 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 [2019-11-07 00:38:03,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 661 states. [2019-11-07 00:38:03,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 661 to 659. [2019-11-07 00:38:03,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 659 states. [2019-11-07 00:38:03,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 811 transitions. [2019-11-07 00:38:03,050 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 811 transitions. Word has length 63 [2019-11-07 00:38:03,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:38:03,051 INFO L462 AbstractCegarLoop]: Abstraction has 659 states and 811 transitions. [2019-11-07 00:38:03,051 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-07 00:38:03,051 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 811 transitions. [2019-11-07 00:38:03,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-11-07 00:38:03,053 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:38:03,053 INFO L410 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] [2019-11-07 00:38:03,053 INFO L410 AbstractCegarLoop]: === Iteration 40 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:38:03,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:38:03,054 INFO L82 PathProgramCache]: Analyzing trace with hash -1439197500, now seen corresponding path program 1 times [2019-11-07 00:38:03,054 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:38:03,054 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392084631] [2019-11-07 00:38:03,054 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:38:03,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:38:03,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:38:03,130 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392084631] [2019-11-07 00:38:03,131 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:38:03,131 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-11-07 00:38:03,131 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867000198] [2019-11-07 00:38:03,131 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-07 00:38:03,131 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:38:03,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-07 00:38:03,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-11-07 00:38:03,132 INFO L87 Difference]: Start difference. First operand 659 states and 811 transitions. Second operand 9 states. [2019-11-07 00:38:03,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:38:03,364 INFO L93 Difference]: Finished difference Result 688 states and 842 transitions. [2019-11-07 00:38:03,365 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-07 00:38:03,365 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 62 [2019-11-07 00:38:03,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:38:03,369 INFO L225 Difference]: With dead ends: 688 [2019-11-07 00:38:03,370 INFO L226 Difference]: Without dead ends: 653 [2019-11-07 00:38:03,373 INFO L630 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 [2019-11-07 00:38:03,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 653 states. [2019-11-07 00:38:03,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 653 to 653. [2019-11-07 00:38:03,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 653 states. [2019-11-07 00:38:03,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 653 states and 802 transitions. [2019-11-07 00:38:03,425 INFO L78 Accepts]: Start accepts. Automaton has 653 states and 802 transitions. Word has length 62 [2019-11-07 00:38:03,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:38:03,426 INFO L462 AbstractCegarLoop]: Abstraction has 653 states and 802 transitions. [2019-11-07 00:38:03,426 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-07 00:38:03,426 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 802 transitions. [2019-11-07 00:38:03,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-11-07 00:38:03,429 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:38:03,429 INFO L410 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] [2019-11-07 00:38:03,430 INFO L410 AbstractCegarLoop]: === Iteration 41 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:38:03,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:38:03,430 INFO L82 PathProgramCache]: Analyzing trace with hash 607542358, now seen corresponding path program 1 times [2019-11-07 00:38:03,430 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:38:03,431 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792952224] [2019-11-07 00:38:03,431 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:38:03,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:38:03,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:38:03,537 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792952224] [2019-11-07 00:38:03,537 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:38:03,538 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-11-07 00:38:03,538 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934370650] [2019-11-07 00:38:03,539 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-07 00:38:03,539 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:38:03,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-07 00:38:03,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-11-07 00:38:03,540 INFO L87 Difference]: Start difference. First operand 653 states and 802 transitions. Second operand 9 states. [2019-11-07 00:38:03,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:38:03,786 INFO L93 Difference]: Finished difference Result 682 states and 833 transitions. [2019-11-07 00:38:03,786 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-07 00:38:03,786 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 62 [2019-11-07 00:38:03,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:38:03,789 INFO L225 Difference]: With dead ends: 682 [2019-11-07 00:38:03,790 INFO L226 Difference]: Without dead ends: 648 [2019-11-07 00:38:03,790 INFO L630 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 [2019-11-07 00:38:03,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 648 states. [2019-11-07 00:38:03,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 648 to 648. [2019-11-07 00:38:03,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 648 states. [2019-11-07 00:38:03,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 648 states and 794 transitions. [2019-11-07 00:38:03,829 INFO L78 Accepts]: Start accepts. Automaton has 648 states and 794 transitions. Word has length 62 [2019-11-07 00:38:03,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:38:03,829 INFO L462 AbstractCegarLoop]: Abstraction has 648 states and 794 transitions. [2019-11-07 00:38:03,830 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-07 00:38:03,830 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 794 transitions. [2019-11-07 00:38:03,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-07 00:38:03,831 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:38:03,832 INFO L410 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] [2019-11-07 00:38:03,832 INFO L410 AbstractCegarLoop]: === Iteration 42 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:38:03,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:38:03,832 INFO L82 PathProgramCache]: Analyzing trace with hash 500831766, now seen corresponding path program 1 times [2019-11-07 00:38:03,832 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:38:03,832 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829189378] [2019-11-07 00:38:03,833 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:38:03,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:38:03,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:38:03,907 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829189378] [2019-11-07 00:38:03,907 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:38:03,907 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-07 00:38:03,907 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819328787] [2019-11-07 00:38:03,908 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-07 00:38:03,908 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:38:03,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-07 00:38:03,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-07 00:38:03,908 INFO L87 Difference]: Start difference. First operand 648 states and 794 transitions. Second operand 6 states. [2019-11-07 00:38:03,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:38:03,976 INFO L93 Difference]: Finished difference Result 666 states and 810 transitions. [2019-11-07 00:38:03,976 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-07 00:38:03,976 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2019-11-07 00:38:03,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:38:03,979 INFO L225 Difference]: With dead ends: 666 [2019-11-07 00:38:03,979 INFO L226 Difference]: Without dead ends: 640 [2019-11-07 00:38:03,979 INFO L630 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 [2019-11-07 00:38:03,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 640 states. [2019-11-07 00:38:04,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 640 to 640. [2019-11-07 00:38:04,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 640 states. [2019-11-07 00:38:04,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 640 states and 784 transitions. [2019-11-07 00:38:04,013 INFO L78 Accepts]: Start accepts. Automaton has 640 states and 784 transitions. Word has length 63 [2019-11-07 00:38:04,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:38:04,013 INFO L462 AbstractCegarLoop]: Abstraction has 640 states and 784 transitions. [2019-11-07 00:38:04,013 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-07 00:38:04,014 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 784 transitions. [2019-11-07 00:38:04,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-11-07 00:38:04,015 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:38:04,015 INFO L410 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] [2019-11-07 00:38:04,016 INFO L410 AbstractCegarLoop]: === Iteration 43 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:38:04,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:38:04,016 INFO L82 PathProgramCache]: Analyzing trace with hash -392212102, now seen corresponding path program 1 times [2019-11-07 00:38:04,019 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:38:04,019 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164641656] [2019-11-07 00:38:04,019 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:38:04,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:38:04,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:38:04,094 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164641656] [2019-11-07 00:38:04,094 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:38:04,094 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-07 00:38:04,094 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052127434] [2019-11-07 00:38:04,095 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-07 00:38:04,096 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:38:04,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-07 00:38:04,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-11-07 00:38:04,096 INFO L87 Difference]: Start difference. First operand 640 states and 784 transitions. Second operand 8 states. [2019-11-07 00:38:04,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:38:04,238 INFO L93 Difference]: Finished difference Result 657 states and 801 transitions. [2019-11-07 00:38:04,238 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-07 00:38:04,238 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 62 [2019-11-07 00:38:04,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:38:04,241 INFO L225 Difference]: With dead ends: 657 [2019-11-07 00:38:04,241 INFO L226 Difference]: Without dead ends: 625 [2019-11-07 00:38:04,242 INFO L630 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 [2019-11-07 00:38:04,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 625 states. [2019-11-07 00:38:04,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 625 to 625. [2019-11-07 00:38:04,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 625 states. [2019-11-07 00:38:04,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 764 transitions. [2019-11-07 00:38:04,278 INFO L78 Accepts]: Start accepts. Automaton has 625 states and 764 transitions. Word has length 62 [2019-11-07 00:38:04,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:38:04,280 INFO L462 AbstractCegarLoop]: Abstraction has 625 states and 764 transitions. [2019-11-07 00:38:04,280 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-07 00:38:04,280 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 764 transitions. [2019-11-07 00:38:04,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-11-07 00:38:04,282 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:38:04,282 INFO L410 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] [2019-11-07 00:38:04,282 INFO L410 AbstractCegarLoop]: === Iteration 44 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:38:04,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:38:04,282 INFO L82 PathProgramCache]: Analyzing trace with hash -1207446898, now seen corresponding path program 1 times [2019-11-07 00:38:04,283 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:38:04,283 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296306895] [2019-11-07 00:38:04,283 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:38:04,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:38:04,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:38:04,366 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296306895] [2019-11-07 00:38:04,366 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:38:04,366 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-07 00:38:04,366 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894179362] [2019-11-07 00:38:04,367 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-07 00:38:04,368 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:38:04,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-07 00:38:04,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-07 00:38:04,368 INFO L87 Difference]: Start difference. First operand 625 states and 764 transitions. Second operand 6 states. [2019-11-07 00:38:04,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:38:04,441 INFO L93 Difference]: Finished difference Result 876 states and 1082 transitions. [2019-11-07 00:38:04,442 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-07 00:38:04,442 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 71 [2019-11-07 00:38:04,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:38:04,444 INFO L225 Difference]: With dead ends: 876 [2019-11-07 00:38:04,444 INFO L226 Difference]: Without dead ends: 650 [2019-11-07 00:38:04,445 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-11-07 00:38:04,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 650 states. [2019-11-07 00:38:04,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 650 to 625. [2019-11-07 00:38:04,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 625 states. [2019-11-07 00:38:04,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 762 transitions. [2019-11-07 00:38:04,480 INFO L78 Accepts]: Start accepts. Automaton has 625 states and 762 transitions. Word has length 71 [2019-11-07 00:38:04,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:38:04,481 INFO L462 AbstractCegarLoop]: Abstraction has 625 states and 762 transitions. [2019-11-07 00:38:04,481 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-07 00:38:04,482 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 762 transitions. [2019-11-07 00:38:04,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-11-07 00:38:04,483 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:38:04,484 INFO L410 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] [2019-11-07 00:38:04,484 INFO L410 AbstractCegarLoop]: === Iteration 45 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:38:04,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:38:04,484 INFO L82 PathProgramCache]: Analyzing trace with hash -251803701, now seen corresponding path program 1 times [2019-11-07 00:38:04,484 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:38:04,484 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905141682] [2019-11-07 00:38:04,485 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:38:04,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:38:04,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:38:04,548 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905141682] [2019-11-07 00:38:04,548 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:38:04,548 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-07 00:38:04,548 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313712532] [2019-11-07 00:38:04,549 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-07 00:38:04,549 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:38:04,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-07 00:38:04,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-07 00:38:04,549 INFO L87 Difference]: Start difference. First operand 625 states and 762 transitions. Second operand 5 states. [2019-11-07 00:38:04,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:38:04,592 INFO L93 Difference]: Finished difference Result 640 states and 778 transitions. [2019-11-07 00:38:04,593 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-07 00:38:04,593 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2019-11-07 00:38:04,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:38:04,595 INFO L225 Difference]: With dead ends: 640 [2019-11-07 00:38:04,595 INFO L226 Difference]: Without dead ends: 615 [2019-11-07 00:38:04,596 INFO L630 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 [2019-11-07 00:38:04,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 615 states. [2019-11-07 00:38:04,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 615 to 605. [2019-11-07 00:38:04,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 605 states. [2019-11-07 00:38:04,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 605 states and 740 transitions. [2019-11-07 00:38:04,630 INFO L78 Accepts]: Start accepts. Automaton has 605 states and 740 transitions. Word has length 64 [2019-11-07 00:38:04,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:38:04,630 INFO L462 AbstractCegarLoop]: Abstraction has 605 states and 740 transitions. [2019-11-07 00:38:04,631 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-07 00:38:04,631 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 740 transitions. [2019-11-07 00:38:04,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-11-07 00:38:04,632 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:38:04,632 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 00:38:04,633 INFO L410 AbstractCegarLoop]: === Iteration 46 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:38:04,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:38:04,633 INFO L82 PathProgramCache]: Analyzing trace with hash -1603697752, now seen corresponding path program 1 times [2019-11-07 00:38:04,633 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:38:04,633 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197851994] [2019-11-07 00:38:04,634 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:38:04,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:38:04,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:38:04,683 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197851994] [2019-11-07 00:38:04,684 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:38:04,684 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 00:38:04,684 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071075954] [2019-11-07 00:38:04,684 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 00:38:04,684 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:38:04,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 00:38:04,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 00:38:04,685 INFO L87 Difference]: Start difference. First operand 605 states and 740 transitions. Second operand 3 states. [2019-11-07 00:38:04,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:38:04,727 INFO L93 Difference]: Finished difference Result 962 states and 1188 transitions. [2019-11-07 00:38:04,727 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 00:38:04,727 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 73 [2019-11-07 00:38:04,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:38:04,730 INFO L225 Difference]: With dead ends: 962 [2019-11-07 00:38:04,730 INFO L226 Difference]: Without dead ends: 709 [2019-11-07 00:38:04,731 INFO L630 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 [2019-11-07 00:38:04,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 709 states. [2019-11-07 00:38:04,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 709 to 679. [2019-11-07 00:38:04,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 679 states. [2019-11-07 00:38:04,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 679 states and 834 transitions. [2019-11-07 00:38:04,769 INFO L78 Accepts]: Start accepts. Automaton has 679 states and 834 transitions. Word has length 73 [2019-11-07 00:38:04,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:38:04,769 INFO L462 AbstractCegarLoop]: Abstraction has 679 states and 834 transitions. [2019-11-07 00:38:04,769 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 00:38:04,769 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 834 transitions. [2019-11-07 00:38:04,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-11-07 00:38:04,771 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:38:04,771 INFO L410 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] [2019-11-07 00:38:04,771 INFO L410 AbstractCegarLoop]: === Iteration 47 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:38:04,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:38:04,772 INFO L82 PathProgramCache]: Analyzing trace with hash 438096047, now seen corresponding path program 1 times [2019-11-07 00:38:04,772 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:38:04,772 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984908481] [2019-11-07 00:38:04,772 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:38:04,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:38:04,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:38:04,848 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984908481] [2019-11-07 00:38:04,848 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:38:04,848 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-11-07 00:38:04,848 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060509316] [2019-11-07 00:38:04,849 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-07 00:38:04,852 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:38:04,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-07 00:38:04,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-11-07 00:38:04,853 INFO L87 Difference]: Start difference. First operand 679 states and 834 transitions. Second operand 9 states. [2019-11-07 00:38:05,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:38:05,037 INFO L93 Difference]: Finished difference Result 708 states and 865 transitions. [2019-11-07 00:38:05,037 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-07 00:38:05,037 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 66 [2019-11-07 00:38:05,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:38:05,039 INFO L225 Difference]: With dead ends: 708 [2019-11-07 00:38:05,039 INFO L226 Difference]: Without dead ends: 633 [2019-11-07 00:38:05,040 INFO L630 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 [2019-11-07 00:38:05,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633 states. [2019-11-07 00:38:05,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 633 to 633. [2019-11-07 00:38:05,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 633 states. [2019-11-07 00:38:05,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 633 states and 777 transitions. [2019-11-07 00:38:05,080 INFO L78 Accepts]: Start accepts. Automaton has 633 states and 777 transitions. Word has length 66 [2019-11-07 00:38:05,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:38:05,080 INFO L462 AbstractCegarLoop]: Abstraction has 633 states and 777 transitions. [2019-11-07 00:38:05,080 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-07 00:38:05,080 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 777 transitions. [2019-11-07 00:38:05,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-11-07 00:38:05,082 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:38:05,083 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 00:38:05,083 INFO L410 AbstractCegarLoop]: === Iteration 48 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:38:05,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:38:05,083 INFO L82 PathProgramCache]: Analyzing trace with hash -760769285, now seen corresponding path program 1 times [2019-11-07 00:38:05,083 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:38:05,083 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628614633] [2019-11-07 00:38:05,084 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:38:05,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:38:05,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:38:05,195 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628614633] [2019-11-07 00:38:05,195 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:38:05,195 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-07 00:38:05,195 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077651426] [2019-11-07 00:38:05,196 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-07 00:38:05,196 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:38:05,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-07 00:38:05,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-07 00:38:05,196 INFO L87 Difference]: Start difference. First operand 633 states and 777 transitions. Second operand 4 states. [2019-11-07 00:38:05,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:38:05,384 INFO L93 Difference]: Finished difference Result 1493 states and 1811 transitions. [2019-11-07 00:38:05,384 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-07 00:38:05,384 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 82 [2019-11-07 00:38:05,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:38:05,388 INFO L225 Difference]: With dead ends: 1493 [2019-11-07 00:38:05,388 INFO L226 Difference]: Without dead ends: 909 [2019-11-07 00:38:05,389 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-07 00:38:05,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 909 states. [2019-11-07 00:38:05,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 909 to 773. [2019-11-07 00:38:05,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 773 states. [2019-11-07 00:38:05,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 773 states and 936 transitions. [2019-11-07 00:38:05,434 INFO L78 Accepts]: Start accepts. Automaton has 773 states and 936 transitions. Word has length 82 [2019-11-07 00:38:05,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:38:05,434 INFO L462 AbstractCegarLoop]: Abstraction has 773 states and 936 transitions. [2019-11-07 00:38:05,434 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-07 00:38:05,435 INFO L276 IsEmpty]: Start isEmpty. Operand 773 states and 936 transitions. [2019-11-07 00:38:05,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-11-07 00:38:05,436 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:38:05,437 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 00:38:05,437 INFO L410 AbstractCegarLoop]: === Iteration 49 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:38:05,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:38:05,437 INFO L82 PathProgramCache]: Analyzing trace with hash -1321469063, now seen corresponding path program 1 times [2019-11-07 00:38:05,437 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:38:05,438 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054040551] [2019-11-07 00:38:05,438 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:38:05,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:38:05,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:38:05,576 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054040551] [2019-11-07 00:38:05,576 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:38:05,577 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 00:38:05,577 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296345800] [2019-11-07 00:38:05,577 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 00:38:05,577 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:38:05,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 00:38:05,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-11-07 00:38:05,578 INFO L87 Difference]: Start difference. First operand 773 states and 936 transitions. Second operand 7 states. [2019-11-07 00:38:06,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:38:06,463 INFO L93 Difference]: Finished difference Result 1097 states and 1335 transitions. [2019-11-07 00:38:06,465 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-07 00:38:06,465 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 82 [2019-11-07 00:38:06,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:38:06,469 INFO L225 Difference]: With dead ends: 1097 [2019-11-07 00:38:06,469 INFO L226 Difference]: Without dead ends: 788 [2019-11-07 00:38:06,470 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2019-11-07 00:38:06,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 788 states. [2019-11-07 00:38:06,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 788 to 757. [2019-11-07 00:38:06,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 757 states. [2019-11-07 00:38:06,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 757 states and 908 transitions. [2019-11-07 00:38:06,519 INFO L78 Accepts]: Start accepts. Automaton has 757 states and 908 transitions. Word has length 82 [2019-11-07 00:38:06,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:38:06,519 INFO L462 AbstractCegarLoop]: Abstraction has 757 states and 908 transitions. [2019-11-07 00:38:06,519 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 00:38:06,519 INFO L276 IsEmpty]: Start isEmpty. Operand 757 states and 908 transitions. [2019-11-07 00:38:06,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-11-07 00:38:06,521 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:38:06,521 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 00:38:06,522 INFO L410 AbstractCegarLoop]: === Iteration 50 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:38:06,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:38:06,522 INFO L82 PathProgramCache]: Analyzing trace with hash 448269423, now seen corresponding path program 1 times [2019-11-07 00:38:06,522 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:38:06,522 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287465758] [2019-11-07 00:38:06,522 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:38:06,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:38:06,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:38:06,575 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287465758] [2019-11-07 00:38:06,576 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:38:06,576 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-07 00:38:06,576 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065551456] [2019-11-07 00:38:06,576 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-07 00:38:06,577 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:38:06,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-07 00:38:06,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-07 00:38:06,577 INFO L87 Difference]: Start difference. First operand 757 states and 908 transitions. Second operand 5 states. [2019-11-07 00:38:06,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:38:06,632 INFO L93 Difference]: Finished difference Result 951 states and 1135 transitions. [2019-11-07 00:38:06,632 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-07 00:38:06,633 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 76 [2019-11-07 00:38:06,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:38:06,635 INFO L225 Difference]: With dead ends: 951 [2019-11-07 00:38:06,635 INFO L226 Difference]: Without dead ends: 777 [2019-11-07 00:38:06,636 INFO L630 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 [2019-11-07 00:38:06,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 777 states. [2019-11-07 00:38:06,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 777 to 769. [2019-11-07 00:38:06,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 769 states. [2019-11-07 00:38:06,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 769 states to 769 states and 922 transitions. [2019-11-07 00:38:06,693 INFO L78 Accepts]: Start accepts. Automaton has 769 states and 922 transitions. Word has length 76 [2019-11-07 00:38:06,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:38:06,694 INFO L462 AbstractCegarLoop]: Abstraction has 769 states and 922 transitions. [2019-11-07 00:38:06,694 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-07 00:38:06,694 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 922 transitions. [2019-11-07 00:38:06,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-11-07 00:38:06,697 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:38:06,697 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 00:38:06,698 INFO L410 AbstractCegarLoop]: === Iteration 51 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:38:06,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:38:06,698 INFO L82 PathProgramCache]: Analyzing trace with hash 1161185424, now seen corresponding path program 1 times [2019-11-07 00:38:06,698 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:38:06,699 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410898815] [2019-11-07 00:38:06,699 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:38:06,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:38:06,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:38:06,839 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410898815] [2019-11-07 00:38:06,839 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:38:06,839 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-11-07 00:38:06,840 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117602792] [2019-11-07 00:38:06,840 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-07 00:38:06,840 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:38:06,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-07 00:38:06,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-11-07 00:38:06,841 INFO L87 Difference]: Start difference. First operand 769 states and 922 transitions. Second operand 9 states. [2019-11-07 00:38:06,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:38:06,939 INFO L93 Difference]: Finished difference Result 901 states and 1069 transitions. [2019-11-07 00:38:06,939 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-07 00:38:06,939 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 76 [2019-11-07 00:38:06,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:38:06,942 INFO L225 Difference]: With dead ends: 901 [2019-11-07 00:38:06,942 INFO L226 Difference]: Without dead ends: 723 [2019-11-07 00:38:06,943 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2019-11-07 00:38:06,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 723 states. [2019-11-07 00:38:06,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 723 to 719. [2019-11-07 00:38:06,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 719 states. [2019-11-07 00:38:06,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 719 states and 855 transitions. [2019-11-07 00:38:06,988 INFO L78 Accepts]: Start accepts. Automaton has 719 states and 855 transitions. Word has length 76 [2019-11-07 00:38:06,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:38:06,988 INFO L462 AbstractCegarLoop]: Abstraction has 719 states and 855 transitions. [2019-11-07 00:38:06,989 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-07 00:38:06,989 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 855 transitions. [2019-11-07 00:38:06,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-11-07 00:38:06,991 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:38:06,991 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 00:38:06,991 INFO L410 AbstractCegarLoop]: === Iteration 52 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:38:06,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:38:06,991 INFO L82 PathProgramCache]: Analyzing trace with hash 531350456, now seen corresponding path program 1 times [2019-11-07 00:38:06,992 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:38:06,992 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258543109] [2019-11-07 00:38:06,992 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:38:07,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:38:07,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:38:07,075 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258543109] [2019-11-07 00:38:07,075 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:38:07,075 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-07 00:38:07,076 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657207053] [2019-11-07 00:38:07,076 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-07 00:38:07,076 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:38:07,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-07 00:38:07,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-07 00:38:07,077 INFO L87 Difference]: Start difference. First operand 719 states and 855 transitions. Second operand 6 states. [2019-11-07 00:38:07,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:38:07,156 INFO L93 Difference]: Finished difference Result 1052 states and 1286 transitions. [2019-11-07 00:38:07,156 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-07 00:38:07,157 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2019-11-07 00:38:07,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:38:07,160 INFO L225 Difference]: With dead ends: 1052 [2019-11-07 00:38:07,160 INFO L226 Difference]: Without dead ends: 798 [2019-11-07 00:38:07,161 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-11-07 00:38:07,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 798 states. [2019-11-07 00:38:07,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 798 to 685. [2019-11-07 00:38:07,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 685 states. [2019-11-07 00:38:07,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 685 states and 811 transitions. [2019-11-07 00:38:07,207 INFO L78 Accepts]: Start accepts. Automaton has 685 states and 811 transitions. Word has length 83 [2019-11-07 00:38:07,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:38:07,208 INFO L462 AbstractCegarLoop]: Abstraction has 685 states and 811 transitions. [2019-11-07 00:38:07,208 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-07 00:38:07,208 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 811 transitions. [2019-11-07 00:38:07,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-11-07 00:38:07,210 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:38:07,210 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 00:38:07,210 INFO L410 AbstractCegarLoop]: === Iteration 53 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:38:07,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:38:07,210 INFO L82 PathProgramCache]: Analyzing trace with hash -1176705031, now seen corresponding path program 1 times [2019-11-07 00:38:07,211 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:38:07,211 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401763207] [2019-11-07 00:38:07,211 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:38:07,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:38:07,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:38:07,259 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401763207] [2019-11-07 00:38:07,259 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:38:07,259 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-07 00:38:07,259 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880232193] [2019-11-07 00:38:07,260 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-07 00:38:07,260 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:38:07,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-07 00:38:07,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-07 00:38:07,260 INFO L87 Difference]: Start difference. First operand 685 states and 811 transitions. Second operand 5 states. [2019-11-07 00:38:07,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:38:07,645 INFO L93 Difference]: Finished difference Result 1233 states and 1441 transitions. [2019-11-07 00:38:07,645 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-07 00:38:07,646 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 78 [2019-11-07 00:38:07,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:38:07,648 INFO L225 Difference]: With dead ends: 1233 [2019-11-07 00:38:07,649 INFO L226 Difference]: Without dead ends: 783 [2019-11-07 00:38:07,650 INFO L630 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 [2019-11-07 00:38:07,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 783 states. [2019-11-07 00:38:07,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 783 to 760. [2019-11-07 00:38:07,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 760 states. [2019-11-07 00:38:07,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 760 states and 885 transitions. [2019-11-07 00:38:07,715 INFO L78 Accepts]: Start accepts. Automaton has 760 states and 885 transitions. Word has length 78 [2019-11-07 00:38:07,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:38:07,715 INFO L462 AbstractCegarLoop]: Abstraction has 760 states and 885 transitions. [2019-11-07 00:38:07,716 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-07 00:38:07,716 INFO L276 IsEmpty]: Start isEmpty. Operand 760 states and 885 transitions. [2019-11-07 00:38:07,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-11-07 00:38:07,718 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:38:07,718 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 00:38:07,718 INFO L410 AbstractCegarLoop]: === Iteration 54 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:38:07,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:38:07,719 INFO L82 PathProgramCache]: Analyzing trace with hash 1769905959, now seen corresponding path program 1 times [2019-11-07 00:38:07,719 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:38:07,719 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111326619] [2019-11-07 00:38:07,719 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:38:07,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:38:07,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:38:07,795 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111326619] [2019-11-07 00:38:07,795 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:38:07,795 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-11-07 00:38:07,796 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93326664] [2019-11-07 00:38:07,797 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-07 00:38:07,797 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:38:07,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-07 00:38:07,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-11-07 00:38:07,798 INFO L87 Difference]: Start difference. First operand 760 states and 885 transitions. Second operand 9 states. [2019-11-07 00:38:07,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:38:07,953 INFO L93 Difference]: Finished difference Result 762 states and 886 transitions. [2019-11-07 00:38:07,953 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-07 00:38:07,953 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 79 [2019-11-07 00:38:07,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:38:07,956 INFO L225 Difference]: With dead ends: 762 [2019-11-07 00:38:07,956 INFO L226 Difference]: Without dead ends: 622 [2019-11-07 00:38:07,957 INFO L630 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 [2019-11-07 00:38:07,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 622 states. [2019-11-07 00:38:07,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 622 to 622. [2019-11-07 00:38:07,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 622 states. [2019-11-07 00:38:07,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 726 transitions. [2019-11-07 00:38:07,998 INFO L78 Accepts]: Start accepts. Automaton has 622 states and 726 transitions. Word has length 79 [2019-11-07 00:38:07,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:38:07,999 INFO L462 AbstractCegarLoop]: Abstraction has 622 states and 726 transitions. [2019-11-07 00:38:07,999 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-07 00:38:07,999 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 726 transitions. [2019-11-07 00:38:08,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-11-07 00:38:08,001 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:38:08,001 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 00:38:08,001 INFO L410 AbstractCegarLoop]: === Iteration 55 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:38:08,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:38:08,001 INFO L82 PathProgramCache]: Analyzing trace with hash 1765631649, now seen corresponding path program 1 times [2019-11-07 00:38:08,002 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:38:08,002 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175864454] [2019-11-07 00:38:08,002 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:38:08,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:38:08,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:38:08,125 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175864454] [2019-11-07 00:38:08,126 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:38:08,126 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-11-07 00:38:08,126 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840523886] [2019-11-07 00:38:08,126 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-07 00:38:08,127 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:38:08,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-07 00:38:08,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-11-07 00:38:08,127 INFO L87 Difference]: Start difference. First operand 622 states and 726 transitions. Second operand 9 states. [2019-11-07 00:38:08,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:38:08,281 INFO L93 Difference]: Finished difference Result 661 states and 767 transitions. [2019-11-07 00:38:08,281 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-07 00:38:08,281 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 88 [2019-11-07 00:38:08,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:38:08,283 INFO L225 Difference]: With dead ends: 661 [2019-11-07 00:38:08,283 INFO L226 Difference]: Without dead ends: 640 [2019-11-07 00:38:08,284 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2019-11-07 00:38:08,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 640 states. [2019-11-07 00:38:08,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 640 to 622. [2019-11-07 00:38:08,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 622 states. [2019-11-07 00:38:08,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 725 transitions. [2019-11-07 00:38:08,327 INFO L78 Accepts]: Start accepts. Automaton has 622 states and 725 transitions. Word has length 88 [2019-11-07 00:38:08,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:38:08,328 INFO L462 AbstractCegarLoop]: Abstraction has 622 states and 725 transitions. [2019-11-07 00:38:08,328 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-07 00:38:08,328 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 725 transitions. [2019-11-07 00:38:08,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-11-07 00:38:08,329 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:38:08,329 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 00:38:08,330 INFO L410 AbstractCegarLoop]: === Iteration 56 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:38:08,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:38:08,330 INFO L82 PathProgramCache]: Analyzing trace with hash 1105227521, now seen corresponding path program 1 times [2019-11-07 00:38:08,330 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:38:08,330 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831099881] [2019-11-07 00:38:08,330 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:38:08,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:38:08,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:38:08,437 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831099881] [2019-11-07 00:38:08,437 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:38:08,437 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-11-07 00:38:08,437 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235391960] [2019-11-07 00:38:08,438 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-07 00:38:08,438 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:38:08,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-07 00:38:08,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-11-07 00:38:08,438 INFO L87 Difference]: Start difference. First operand 622 states and 725 transitions. Second operand 10 states. [2019-11-07 00:38:09,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:38:09,399 INFO L93 Difference]: Finished difference Result 632 states and 733 transitions. [2019-11-07 00:38:09,399 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-11-07 00:38:09,399 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 83 [2019-11-07 00:38:09,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:38:09,402 INFO L225 Difference]: With dead ends: 632 [2019-11-07 00:38:09,402 INFO L226 Difference]: Without dead ends: 627 [2019-11-07 00:38:09,402 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2019-11-07 00:38:09,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 627 states. [2019-11-07 00:38:09,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 627 to 622. [2019-11-07 00:38:09,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 622 states. [2019-11-07 00:38:09,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 724 transitions. [2019-11-07 00:38:09,444 INFO L78 Accepts]: Start accepts. Automaton has 622 states and 724 transitions. Word has length 83 [2019-11-07 00:38:09,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:38:09,444 INFO L462 AbstractCegarLoop]: Abstraction has 622 states and 724 transitions. [2019-11-07 00:38:09,444 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-07 00:38:09,444 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 724 transitions. [2019-11-07 00:38:09,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-11-07 00:38:09,446 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:38:09,446 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 00:38:09,446 INFO L410 AbstractCegarLoop]: === Iteration 57 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:38:09,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:38:09,446 INFO L82 PathProgramCache]: Analyzing trace with hash -534357869, now seen corresponding path program 1 times [2019-11-07 00:38:09,447 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:38:09,447 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293132507] [2019-11-07 00:38:09,447 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:38:09,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:38:09,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:38:09,535 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293132507] [2019-11-07 00:38:09,536 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:38:09,536 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-11-07 00:38:09,536 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294667239] [2019-11-07 00:38:09,536 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-07 00:38:09,536 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:38:09,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-07 00:38:09,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2019-11-07 00:38:09,537 INFO L87 Difference]: Start difference. First operand 622 states and 724 transitions. Second operand 9 states. [2019-11-07 00:38:10,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:38:10,422 INFO L93 Difference]: Finished difference Result 643 states and 747 transitions. [2019-11-07 00:38:10,422 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-11-07 00:38:10,423 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 84 [2019-11-07 00:38:10,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:38:10,425 INFO L225 Difference]: With dead ends: 643 [2019-11-07 00:38:10,425 INFO L226 Difference]: Without dead ends: 614 [2019-11-07 00:38:10,426 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=262, Unknown=0, NotChecked=0, Total=342 [2019-11-07 00:38:10,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 614 states. [2019-11-07 00:38:10,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 614 to 598. [2019-11-07 00:38:10,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 598 states. [2019-11-07 00:38:10,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 697 transitions. [2019-11-07 00:38:10,468 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 697 transitions. Word has length 84 [2019-11-07 00:38:10,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:38:10,469 INFO L462 AbstractCegarLoop]: Abstraction has 598 states and 697 transitions. [2019-11-07 00:38:10,469 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-07 00:38:10,469 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 697 transitions. [2019-11-07 00:38:10,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2019-11-07 00:38:10,471 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:38:10,471 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 00:38:10,471 INFO L410 AbstractCegarLoop]: === Iteration 58 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:38:10,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:38:10,472 INFO L82 PathProgramCache]: Analyzing trace with hash -1790671204, now seen corresponding path program 1 times [2019-11-07 00:38:10,472 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:38:10,472 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271069000] [2019-11-07 00:38:10,472 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:38:10,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-07 00:38:10,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-07 00:38:10,611 INFO L172 FreeRefinementEngine]: Strategy TAIPAN found a feasible trace [2019-11-07 00:38:10,613 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-07 00:38:10,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 12:38:10 BoogieIcfgContainer [2019-11-07 00:38:10,751 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-07 00:38:10,753 INFO L168 Benchmark]: Toolchain (without parser) took 30043.51 ms. Allocated memory was 146.8 MB in the beginning and 591.9 MB in the end (delta: 445.1 MB). Free memory was 102.2 MB in the beginning and 426.5 MB in the end (delta: -324.3 MB). Peak memory consumption was 120.9 MB. Max. memory is 7.1 GB. [2019-11-07 00:38:10,753 INFO L168 Benchmark]: CDTParser took 1.17 ms. Allocated memory is still 146.8 MB. Free memory is still 121.5 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-11-07 00:38:10,754 INFO L168 Benchmark]: CACSL2BoogieTranslator took 766.70 ms. Allocated memory was 146.8 MB in the beginning and 208.1 MB in the end (delta: 61.3 MB). Free memory was 102.2 MB in the beginning and 173.1 MB in the end (delta: -70.9 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. [2019-11-07 00:38:10,754 INFO L168 Benchmark]: Boogie Preprocessor took 92.70 ms. Allocated memory is still 208.1 MB. Free memory was 173.1 MB in the beginning and 168.2 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2019-11-07 00:38:10,754 INFO L168 Benchmark]: RCFGBuilder took 1295.66 ms. Allocated memory was 208.1 MB in the beginning and 233.8 MB in the end (delta: 25.7 MB). Free memory was 168.2 MB in the beginning and 157.9 MB in the end (delta: 10.3 MB). Peak memory consumption was 78.9 MB. Max. memory is 7.1 GB. [2019-11-07 00:38:10,755 INFO L168 Benchmark]: TraceAbstraction took 27884.48 ms. Allocated memory was 233.8 MB in the beginning and 591.9 MB in the end (delta: 358.1 MB). Free memory was 157.9 MB in the beginning and 426.5 MB in the end (delta: -268.6 MB). Peak memory consumption was 89.5 MB. Max. memory is 7.1 GB. [2019-11-07 00:38:10,756 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.17 ms. Allocated memory is still 146.8 MB. Free memory is still 121.5 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 766.70 ms. Allocated memory was 146.8 MB in the beginning and 208.1 MB in the end (delta: 61.3 MB). Free memory was 102.2 MB in the beginning and 173.1 MB in the end (delta: -70.9 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 92.70 ms. Allocated memory is still 208.1 MB. Free memory was 173.1 MB in the beginning and 168.2 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1295.66 ms. Allocated memory was 208.1 MB in the beginning and 233.8 MB in the end (delta: 25.7 MB). Free memory was 168.2 MB in the beginning and 157.9 MB in the end (delta: 10.3 MB). Peak memory consumption was 78.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 27884.48 ms. Allocated memory was 233.8 MB in the beginning and 591.9 MB in the end (delta: 358.1 MB). Free memory was 157.9 MB in the beginning and 426.5 MB in the end (delta: -268.6 MB). Peak memory consumption was 89.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1626]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L41] int FloppyThread ; [L42] int KernelMode ; [L43] int Suspended ; [L44] int Executive ; [L45] int DiskController ; [L46] int FloppyDiskPeripheral ; [L47] int FlConfigCallBack ; [L48] int MaximumInterfaceType ; [L49] int MOUNTDEV_MOUNTED_DEVICE_GUID ; [L50] int myStatus ; [L51] int s ; [L52] int UNLOADED ; [L53] int NP ; [L54] int DC ; [L55] int SKIP1 ; [L56] int SKIP2 ; [L57] int MPR1 ; [L58] int MPR3 ; [L59] int IPC ; [L60] int pended ; [L61] int compRegistered ; [L62] int lowerDriverReturn ; [L63] int setEventCalled ; [L64] int customIrp ; [L87] int PagingReferenceCount = 0; [L88] int PagingMutex = 0; VAL [\old(compRegistered)=277, \old(customIrp)=280, \old(DC)=274, \old(DiskController)=276, \old(Executive)=278, \old(FlConfigCallBack)=265, \old(FloppyDiskPeripheral)=275, \old(FloppyThread)=261, \old(IPC)=262, \old(KernelMode)=272, \old(lowerDriverReturn)=285, \old(MaximumInterfaceType)=284, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=260, \old(MPR1)=268, \old(MPR3)=281, \old(myStatus)=283, \old(NP)=279, \old(PagingMutex)=266, \old(PagingReferenceCount)=270, \old(pended)=271, \old(s)=263, \old(setEventCalled)=282, \old(SKIP1)=267, \old(SKIP2)=264, \old(Suspended)=269, \old(UNLOADED)=273, 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] [L667] int status ; [L668] int irp = __VERIFIER_nondet_int() ; [L669] int pirp ; [L670] int pirp__IoStatus__Status ; [L671] int irp_choice = __VERIFIER_nondet_int() ; [L672] int devobj = __VERIFIER_nondet_int() ; [L673] int __cil_tmp8 ; [L675] FloppyThread = 0 [L676] KernelMode = 0 [L677] Suspended = 0 [L678] Executive = 0 [L679] DiskController = 0 [L680] FloppyDiskPeripheral = 0 [L681] FlConfigCallBack = 0 [L682] MaximumInterfaceType = 0 [L683] MOUNTDEV_MOUNTED_DEVICE_GUID = 0 [L684] myStatus = 0 [L685] s = 0 [L686] UNLOADED = 0 [L687] NP = 0 [L688] DC = 0 [L689] SKIP1 = 0 [L690] SKIP2 = 0 [L691] MPR1 = 0 [L692] MPR3 = 0 [L693] IPC = 0 [L694] pended = 0 [L695] compRegistered = 0 [L696] lowerDriverReturn = 0 [L697] setEventCalled = 0 [L698] customIrp = 0 [L702] status = 0 [L703] pirp = irp VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=0, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=0, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=0, MPR3=0, myStatus=0, NP=0, PagingMutex=0, PagingReferenceCount=0, pended=0, pirp=0, s=0, setEventCalled=0, SKIP1=0, SKIP2=0, status=0, Suspended=0, UNLOADED=0] [L704] CALL _BLAST_init() VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=0, MPR3=0, myStatus=0, NP=0, PagingMutex=0, PagingReferenceCount=0, pended=0, s=0, setEventCalled=0, SKIP1=0, SKIP2=0, Suspended=0, UNLOADED=0] [L70] UNLOADED = 0 [L71] NP = 1 [L72] DC = 2 [L73] SKIP1 = 3 [L74] SKIP2 = 4 [L75] MPR1 = 5 [L76] MPR3 = 6 [L77] IPC = 7 [L78] s = UNLOADED [L79] pended = 0 [L80] compRegistered = 0 [L81] lowerDriverReturn = 0 [L82] setEventCalled = 0 [L83] customIrp = 0 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=0, s=0, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L704] RET _BLAST_init() VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, pirp=0, s=0, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, UNLOADED=0] [L706] COND TRUE status >= 0 [L707] s = NP [L708] customIrp = 0 [L709] setEventCalled = customIrp [L710] lowerDriverReturn = setEventCalled [L711] compRegistered = lowerDriverReturn [L712] pended = compRegistered [L713] pirp__IoStatus__Status = 0 [L714] myStatus = 0 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, pirp__IoStatus__Status=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, UNLOADED=0] [L715] COND TRUE irp_choice == 0 [L716] pirp__IoStatus__Status = -1073741637 [L717] myStatus = -1073741637 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, pirp=0, pirp__IoStatus__Status=-1073741637, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, UNLOADED=0] [L720] CALL stub_driver_init() VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L657] s = NP [L658] pended = 0 [L659] compRegistered = 0 [L660] lowerDriverReturn = 0 [L661] setEventCalled = 0 [L662] customIrp = 0 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] [L720] RET stub_driver_init() VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, pirp=0, pirp__IoStatus__Status=-1073741637, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, UNLOADED=0] [L723] COND FALSE !(status < 0) [L727] int tmp_ndt_1; [L728] tmp_ndt_1 = __VERIFIER_nondet_int() [L729] COND FALSE !(tmp_ndt_1 == 0) [L732] int tmp_ndt_2; [L733] tmp_ndt_2 = __VERIFIER_nondet_int() [L734] COND FALSE !(tmp_ndt_2 == 1) [L737] int tmp_ndt_3; [L738] tmp_ndt_3 = __VERIFIER_nondet_int() [L739] COND FALSE !(tmp_ndt_3 == 2) [L742] int tmp_ndt_4; [L743] tmp_ndt_4 = __VERIFIER_nondet_int() [L744] COND TRUE tmp_ndt_4 == 3 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, pirp=0, pirp__IoStatus__Status=-1073741637, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=0, tmp_ndt_1=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0] [L766] CALL, EXPR FloppyPnp(devobj, pirp) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L160] int DeviceObject__DeviceExtension = __VERIFIER_nondet_int() ; [L161] int Irp__Tail__Overlay__CurrentStackLocation = __VERIFIER_nondet_int() ; [L162] int Irp__IoStatus__Information ; [L163] int Irp__IoStatus__Status ; [L164] int Irp__CurrentLocation = __VERIFIER_nondet_int() ; [L165] int disketteExtension__IsRemoved = __VERIFIER_nondet_int() ; [L166] int disketteExtension__IsStarted = __VERIFIER_nondet_int() ; [L167] int disketteExtension__TargetObject = __VERIFIER_nondet_int() ; [L168] int disketteExtension__HoldNewRequests ; [L169] int disketteExtension__FloppyThread = __VERIFIER_nondet_int() ; [L170] int disketteExtension__InterfaceString__Buffer = __VERIFIER_nondet_int() ; [L171] int disketteExtension__InterfaceString = __VERIFIER_nondet_int() ; [L172] int disketteExtension__ArcName__Length = __VERIFIER_nondet_int() ; [L173] int disketteExtension__ArcName = __VERIFIER_nondet_int() ; [L174] int irpSp__MinorFunction = __VERIFIER_nondet_int() ; [L175] int IoGetConfigurationInformation__FloppyCount = __VERIFIER_nondet_int() ; [L176] int irpSp ; [L177] int disketteExtension ; [L178] int ntStatus ; [L179] int doneEvent = __VERIFIER_nondet_int() ; [L180] int irpSp___0 ; [L181] int nextIrpSp ; [L182] int nextIrpSp__Control ; [L183] int irpSp___1 ; [L184] int irpSp__Context ; [L185] int irpSp__Control ; [L186] long __cil_tmp29 ; [L187] long __cil_tmp30 ; [L190] ntStatus = 0 [L191] PagingReferenceCount ++ 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__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=0, 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] [L192] COND TRUE PagingReferenceCount == 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__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=0, 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] [L195] disketteExtension = DeviceObject__DeviceExtension [L196] irpSp = Irp__Tail__Overlay__CurrentStackLocation VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=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=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L197] COND FALSE !(\read(disketteExtension__IsRemoved)) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=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=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L206] COND FALSE !(irpSp__MinorFunction == 0) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=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=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L209] COND TRUE irpSp__MinorFunction == 5 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=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=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L235] COND TRUE irpSp__MinorFunction == 5 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=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=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L238] COND FALSE !(! disketteExtension__IsStarted) [L254] disketteExtension__HoldNewRequests = 1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=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=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L255] CALL, EXPR FlQueueIrpToThread(Irp, disketteExtension) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(DisketteExtension)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=1, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L97] int status ; [L98] int threadHandle = __VERIFIER_nondet_int() ; [L99] int DisketteExtension__PoweringDown = __VERIFIER_nondet_int() ; [L100] int DisketteExtension__ThreadReferenceCount = __VERIFIER_nondet_int() ; [L101] int DisketteExtension__FloppyThread = __VERIFIER_nondet_int() ; [L102] int Irp__IoStatus__Status ; [L103] int Irp__IoStatus__Information ; [L104] int Irp__Tail__Overlay__CurrentStackLocation__Control ; [L105] int ObjAttributes = __VERIFIER_nondet_int() ; [L106] int __cil_tmp12 ; [L107] int __cil_tmp13 ; VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(DisketteExtension)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=1, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, DisketteExtension=0, DisketteExtension__FloppyThread=0, DisketteExtension__PoweringDown=0, DisketteExtension__ThreadReferenceCount=-2, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ObjAttributes=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, threadHandle=0, UNLOADED=0] [L110] COND FALSE !(DisketteExtension__PoweringDown == 1) [L116] DisketteExtension__ThreadReferenceCount ++ VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(DisketteExtension)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=1, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, DisketteExtension=0, DisketteExtension__FloppyThread=0, DisketteExtension__PoweringDown=0, DisketteExtension__ThreadReferenceCount=-1, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ObjAttributes=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, threadHandle=0, UNLOADED=0] [L117] COND FALSE !(DisketteExtension__ThreadReferenceCount == 0) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(DisketteExtension)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=1, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, DisketteExtension=0, DisketteExtension__FloppyThread=0, DisketteExtension__PoweringDown=0, DisketteExtension__ThreadReferenceCount=-1, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ObjAttributes=0, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, threadHandle=0, UNLOADED=0] [L149] COND TRUE pended == 0 [L150] pended = 1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(DisketteExtension)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=1, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, DisketteExtension=0, DisketteExtension__FloppyThread=0, DisketteExtension__PoweringDown=0, DisketteExtension__ThreadReferenceCount=-1, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ObjAttributes=0, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, threadHandle=0, UNLOADED=0] [L156] return (259); VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(DisketteExtension)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=1, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, \result=259, compRegistered=0, customIrp=0, DC=2, DiskController=0, DisketteExtension=0, DisketteExtension__FloppyThread=0, DisketteExtension__PoweringDown=0, DisketteExtension__ThreadReferenceCount=-1, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ObjAttributes=0, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, threadHandle=0, UNLOADED=0] [L255] RET, EXPR FlQueueIrpToThread(Irp, disketteExtension) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=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=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=0, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L255] ntStatus = FlQueueIrpToThread(Irp, disketteExtension) [L258] __cil_tmp29 = (long )ntStatus VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=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=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=259, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L259] COND TRUE __cil_tmp29 == 259L VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=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=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=259, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L261-L262] CALL KeWaitForSingleObject(disketteExtension__FloppyThread, Executive, KernelMode, 0, 0) VAL [\old(Alertable)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(Object)=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] [L1065] COND FALSE !(s == MPR3) VAL [\old(Alertable)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(Object)=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] [L1074] COND FALSE !(customIrp == 1) VAL [\old(Alertable)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(Object)=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] [L1078] COND FALSE !(s == MPR3) VAL [\old(Alertable)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(Object)=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] [L1085] int tmp_ndt_12; [L1086] tmp_ndt_12 = __VERIFIER_nondet_int() [L1087] COND FALSE !(tmp_ndt_12 == 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, 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, tmp_ndt_12=1, UNLOADED=0, WaitMode=0, WaitReason=0] [L1095] return (-1073741823); 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, \result=-1073741823, 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, tmp_ndt_12=1, UNLOADED=0, WaitMode=0, WaitReason=0] [L261-L262] RET KeWaitForSingleObject(disketteExtension__FloppyThread, Executive, KernelMode, 0, 0) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=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=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, KeWaitForSingleObject(disketteExtension__FloppyThread, Executive, KernelMode, 0, 0)=-1073741823, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, ntStatus=259, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L264] COND FALSE !(disketteExtension__FloppyThread != 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=0, irpSp=0, 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] [L267] disketteExtension__FloppyThread = 0 [L268] Irp__IoStatus__Status = 0 [L269] myStatus = 0 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__IoStatus__Status=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, ntStatus=259, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L270] COND TRUE s == NP [L271] s = SKIP1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__IoStatus__Status=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, ntStatus=259, PagingMutex=0, PagingReferenceCount=1, pended=1, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L278] Irp__CurrentLocation ++ [L279] Irp__Tail__Overlay__CurrentStackLocation ++ VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=1, Irp__IoStatus__Status=0, Irp__Tail__Overlay__CurrentStackLocation=1, irpSp=0, irpSp__MinorFunction=5, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, ntStatus=259, PagingMutex=0, PagingReferenceCount=1, pended=1, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L280] CALL, EXPR IofCallDriver(disketteExtension__TargetObject, Irp) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L967] int returnVal2 ; [L968] int compRetStatus1 ; [L969] int lcontext = __VERIFIER_nondet_int() ; [L970] unsigned long __cil_tmp7 ; VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L973] COND FALSE !(\read(compRegistered)) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L986] int tmp_ndt_10; [L987] tmp_ndt_10 = __VERIFIER_nondet_int() [L988] COND TRUE tmp_ndt_10 == 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, 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, tmp_ndt_10=0, UNLOADED=0] [L999] 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, 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_10=0, UNLOADED=0] [L1012] COND FALSE !(s == NP) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, 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_10=0, UNLOADED=0] [L1016] COND FALSE !(s == MPR1) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, 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_10=0, UNLOADED=0] [L1025] COND TRUE s == SKIP1 [L1026] s = SKIP2 [L1027] lowerDriverReturn = returnVal2 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, 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_10=0, UNLOADED=0] [L1035] return (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, \result=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_10=0, UNLOADED=0] [L280] RET, EXPR IofCallDriver(disketteExtension__TargetObject, Irp) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, __cil_tmp29=259, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DiskController=0, disketteExtension=0, disketteExtension__ArcName=0, disketteExtension__ArcName__Length=0, disketteExtension__FloppyThread=0, disketteExtension__HoldNewRequests=1, disketteExtension__InterfaceString=0, disketteExtension__InterfaceString__Buffer=0, disketteExtension__IsRemoved=0, disketteExtension__IsStarted=1, disketteExtension__TargetObject=0, doneEvent=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IofCallDriver(disketteExtension__TargetObject, Irp)=0, IoGetConfigurationInformation__FloppyCount=0, IPC=7, Irp=0, Irp__CurrentLocation=1, Irp__IoStatus__Status=0, Irp__Tail__Overlay__CurrentStackLocation=1, irpSp=0, 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] [L280] ntStatus = IofCallDriver(disketteExtension__TargetObject, Irp) [L426] PagingReferenceCount -- 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=1, irpSp=0, 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] [L427] COND TRUE PagingReferenceCount == 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=1, Irp__IoStatus__Status=0, Irp__Tail__Overlay__CurrentStackLocation=1, irpSp=0, 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] [L430] return (ntStatus); VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(Irp)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, \result=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=1, irpSp=0, 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] [L766] RET, EXPR FloppyPnp(devobj, pirp) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyPnp(devobj, pirp)=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=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0] [L766] status = FloppyPnp(devobj, pirp) [L779] COND TRUE pended == 1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=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=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0] [L780] COND FALSE !(s == NP) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=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=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0] [L787] COND TRUE pended == 1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=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=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0] [L788] COND FALSE !(s == MPR3) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=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=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0] [L795] COND TRUE s != UNLOADED VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=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=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0] [L796] COND TRUE status != -1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=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=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0] [L797] COND FALSE !(s != SKIP2) VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=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=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0] [L811] COND TRUE pended == 1 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=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=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0] [L812] COND TRUE status != 259 VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, devobj=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=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=1, tmp_ndt_2=0, tmp_ndt_3=0, tmp_ndt_4=3, UNLOADED=0] [L813] CALL errorFn() VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=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] [L1626] __VERIFIER_error() VAL [\old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DiskController)=0, \old(Executive)=0, \old(FlConfigCallBack)=0, \old(FloppyDiskPeripheral)=0, \old(FloppyThread)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MaximumInterfaceType)=0, \old(MOUNTDEV_MOUNTED_DEVICE_GUID)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(PagingReferenceCount)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(Suspended)=0, \old(UNLOADED)=0, compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=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 30 procedures, 393 locations, 1 error locations. Result: UNSAFE, OverallTime: 27.7s, OverallIterations: 58, TraceHistogramMax: 1, AutomataDifference: 19.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 25910 SDtfs, 13829 SDslu, 78922 SDs, 0 SdLazy, 15174 SolverSat, 2424 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 512 GetRequests, 148 SyntacticMatches, 5 SemanticMatches, 359 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 328 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=929occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.6s AutomataMinimizationTime, 57 MinimizatonAttempts, 1814 StatesRemovedByMinimization, 38 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 3303 NumberOfCodeBlocks, 3303 NumberOfCodeBlocksAsserted, 58 NumberOfCheckSat, 3161 ConstructedInterpolants, 0 QuantifiedInterpolants, 383800 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 57 InterpolantComputations, 57 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...