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/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--vfio--vfio.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 00:54:47,716 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 00:54:47,719 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 00:54:47,734 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 00:54:47,734 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 00:54:47,735 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 00:54:47,737 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 00:54:47,739 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 00:54:47,740 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 00:54:47,741 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 00:54:47,742 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 00:54:47,743 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 00:54:47,744 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 00:54:47,745 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 00:54:47,746 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 00:54:47,747 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 00:54:47,748 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 00:54:47,749 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 00:54:47,751 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 00:54:47,753 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 00:54:47,754 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 00:54:47,755 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 00:54:47,756 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 00:54:47,757 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 00:54:47,759 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 00:54:47,760 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 00:54:47,760 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 00:54:47,761 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 00:54:47,761 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 00:54:47,762 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 00:54:47,762 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 00:54:47,763 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 00:54:47,764 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 00:54:47,764 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 00:54:47,765 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 00:54:47,766 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 00:54:47,766 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 00:54:47,767 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 00:54:47,767 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 00:54:47,768 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 00:54:47,768 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 00:54:47,769 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 00:54:47,792 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 00:54:47,792 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 00:54:47,795 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 00:54:47,795 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 00:54:47,795 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 00:54:47,795 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 00:54:47,796 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 00:54:47,796 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 00:54:47,796 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 00:54:47,796 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 00:54:47,797 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 00:54:47,797 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 00:54:47,798 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 00:54:47,798 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 00:54:47,798 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 00:54:47,798 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 00:54:47,799 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 00:54:47,799 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 00:54:47,799 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 00:54:47,799 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 00:54:47,800 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 00:54:47,800 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 00:54:47,800 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 00:54:47,801 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 00:54:47,801 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 00:54:47,801 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 00:54:47,801 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 00:54:47,801 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 00:54:47,802 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 [2019-10-15 00:54:48,077 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 00:54:48,090 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 00:54:48,093 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 00:54:48,095 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 00:54:48,095 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 00:54:48,096 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--vfio--vfio.ko-entry_point.cil.out.i [2019-10-15 00:54:48,158 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d37c8f754/380ac6a4cd89487e8076355678799480/FLAGf0ecc6fcd [2019-10-15 00:54:48,972 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 00:54:48,975 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--vfio--vfio.ko-entry_point.cil.out.i [2019-10-15 00:54:49,032 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d37c8f754/380ac6a4cd89487e8076355678799480/FLAGf0ecc6fcd [2019-10-15 00:54:49,516 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d37c8f754/380ac6a4cd89487e8076355678799480 [2019-10-15 00:54:49,526 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 00:54:49,527 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 00:54:49,528 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 00:54:49,528 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 00:54:49,532 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 00:54:49,532 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:54:49" (1/1) ... [2019-10-15 00:54:49,535 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e4d3905 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:54:49, skipping insertion in model container [2019-10-15 00:54:49,536 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:54:49" (1/1) ... [2019-10-15 00:54:49,543 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 00:54:49,662 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 00:54:51,614 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 00:54:51,710 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 00:54:52,145 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 00:54:52,505 INFO L192 MainTranslator]: Completed translation [2019-10-15 00:54:52,506 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:54:52 WrapperNode [2019-10-15 00:54:52,506 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 00:54:52,507 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 00:54:52,507 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 00:54:52,508 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 00:54:52,523 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:54:52" (1/1) ... [2019-10-15 00:54:52,523 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:54:52" (1/1) ... [2019-10-15 00:54:52,626 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:54:52" (1/1) ... [2019-10-15 00:54:52,629 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:54:52" (1/1) ... [2019-10-15 00:54:52,860 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:54:52" (1/1) ... [2019-10-15 00:54:52,890 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:54:52" (1/1) ... [2019-10-15 00:54:52,922 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:54:52" (1/1) ... [2019-10-15 00:54:52,955 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 00:54:52,956 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 00:54:52,956 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 00:54:52,956 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 00:54:52,957 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:54:52" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 00:54:53,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 00:54:53,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 00:54:53,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-15 00:54:53,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2019-10-15 00:54:53,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2019-10-15 00:54:53,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-15 00:54:53,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-10-15 00:54:53,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~$Pointer$ [2019-10-15 00:54:53,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2019-10-15 00:54:53,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-10-15 00:54:53,029 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2019-10-15 00:54:53,030 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-15 00:54:53,030 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2019-10-15 00:54:53,032 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2019-10-15 00:54:53,032 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-10-15 00:54:53,032 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2019-10-15 00:54:53,036 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2019-10-15 00:54:53,036 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub_and_test [2019-10-15 00:54:53,036 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2019-10-15 00:54:53,037 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2019-10-15 00:54:53,037 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2019-10-15 00:54:53,037 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2019-10-15 00:54:53,038 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_cmpxchg [2019-10-15 00:54:53,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __atomic_add_unless [2019-10-15 00:54:53,038 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_unless [2019-10-15 00:54:53,038 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_if_positive [2019-10-15 00:54:53,039 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_find [2019-10-15 00:54:53,040 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2019-10-15 00:54:53,040 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2019-10-15 00:54:53,040 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2019-10-15 00:54:53,040 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2019-10-15 00:54:53,040 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put_mutex [2019-10-15 00:54:53,041 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-10-15 00:54:53,041 INFO L138 BoogieDeclarations]: Found implementation of procedure task_pid_nr [2019-10-15 00:54:53,041 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-15 00:54:53,041 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-15 00:54:53,042 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-15 00:54:53,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-15 00:54:53,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-15 00:54:53,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-15 00:54:53,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-15 00:54:53,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-15 00:54:53,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-15 00:54:53,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-15 00:54:53,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-15 00:54:53,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-15 00:54:53,044 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2019-10-15 00:54:53,044 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2019-10-15 00:54:53,044 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-10-15 00:54:53,045 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-15 00:54:53,045 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-15 00:54:53,045 INFO L138 BoogieDeclarations]: Found implementation of procedure fdput [2019-10-15 00:54:53,045 INFO L138 BoogieDeclarations]: Found implementation of procedure __to_fd [2019-10-15 00:54:53,045 INFO L138 BoogieDeclarations]: Found implementation of procedure fdget [2019-10-15 00:54:53,046 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-10-15 00:54:53,046 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-10-15 00:54:53,046 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_register_iommu_driver [2019-10-15 00:54:53,046 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_unregister_iommu_driver [2019-10-15 00:54:53,046 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_alloc_group_minor [2019-10-15 00:54:53,047 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_free_group_minor [2019-10-15 00:54:53,047 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_container_get [2019-10-15 00:54:53,047 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_container_release [2019-10-15 00:54:53,048 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_container_put [2019-10-15 00:54:53,048 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_unlock_and_free [2019-10-15 00:54:53,048 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_create_group [2019-10-15 00:54:53,048 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_release [2019-10-15 00:54:53,048 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_put [2019-10-15 00:54:53,048 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_get [2019-10-15 00:54:53,049 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_try_get [2019-10-15 00:54:53,049 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_get_from_iommu [2019-10-15 00:54:53,049 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_get_from_minor [2019-10-15 00:54:53,049 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_create_device [2019-10-15 00:54:53,049 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_release [2019-10-15 00:54:53,050 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_put [2019-10-15 00:54:53,050 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_get [2019-10-15 00:54:53,050 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_get_device [2019-10-15 00:54:53,050 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_whitelisted_driver [2019-10-15 00:54:53,051 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_dev_viable [2019-10-15 00:54:53,051 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_nb_add_dev [2019-10-15 00:54:53,051 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_nb_verify [2019-10-15 00:54:53,052 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_iommu_group_notifier [2019-10-15 00:54:53,052 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_add_group_dev [2019-10-15 00:54:53,052 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_get_from_dev [2019-10-15 00:54:53,052 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_data [2019-10-15 00:54:53,053 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_dev_present [2019-10-15 00:54:53,053 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_del_group_dev [2019-10-15 00:54:53,053 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_ioctl_check_extension [2019-10-15 00:54:53,054 INFO L138 BoogieDeclarations]: Found implementation of procedure __vfio_container_attach_groups [2019-10-15 00:54:53,054 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_ioctl_set_iommu [2019-10-15 00:54:53,054 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fops_unl_ioctl [2019-10-15 00:54:53,054 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fops_compat_ioctl [2019-10-15 00:54:53,054 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fops_open [2019-10-15 00:54:53,055 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fops_release [2019-10-15 00:54:53,055 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fops_read [2019-10-15 00:54:53,055 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fops_write [2019-10-15 00:54:53,055 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fops_mmap [2019-10-15 00:54:53,055 INFO L138 BoogieDeclarations]: Found implementation of procedure __vfio_group_unset_container [2019-10-15 00:54:53,055 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_unset_container [2019-10-15 00:54:53,055 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_try_dissolve_container [2019-10-15 00:54:53,056 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_set_container [2019-10-15 00:54:53,056 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_viable [2019-10-15 00:54:53,056 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_get_device_fd [2019-10-15 00:54:53,056 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_fops_unl_ioctl [2019-10-15 00:54:53,056 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_fops_compat_ioctl [2019-10-15 00:54:53,056 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_fops_open [2019-10-15 00:54:53,057 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_fops_release [2019-10-15 00:54:53,057 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_fops_release [2019-10-15 00:54:53,057 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_fops_unl_ioctl [2019-10-15 00:54:53,057 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_fops_read [2019-10-15 00:54:53,058 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_fops_write [2019-10-15 00:54:53,058 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_fops_mmap [2019-10-15 00:54:53,058 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_fops_compat_ioctl [2019-10-15 00:54:53,058 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_get_external_user [2019-10-15 00:54:53,059 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_put_external_user [2019-10-15 00:54:53,059 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_external_user_iommu_id [2019-10-15 00:54:53,059 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_external_check_extension [2019-10-15 00:54:53,060 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_devnode [2019-10-15 00:54:53,060 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_init [2019-10-15 00:54:53,060 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_cleanup [2019-10-15 00:54:53,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_2 [2019-10-15 00:54:53,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_1 [2019-10-15 00:54:53,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_3 [2019-10-15 00:54:53,061 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 00:54:53,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2019-10-15 00:54:53,063 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-10-15 00:54:53,063 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-10-15 00:54:53,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_5 [2019-10-15 00:54:53,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_6 [2019-10-15 00:54:53,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_7 [2019-10-15 00:54:53,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_8 [2019-10-15 00:54:53,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_9 [2019-10-15 00:54:53,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_10 [2019-10-15 00:54:53,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_11 [2019-10-15 00:54:53,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_misc_register_12 [2019-10-15 00:54:53,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cdev_init_13 [2019-10-15 00:54:53,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_misc_deregister_14 [2019-10-15 00:54:53,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cdev_del_15 [2019-10-15 00:54:53,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_misc_deregister_16 [2019-10-15 00:54:53,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-15 00:54:53,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-15 00:54:53,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-15 00:54:53,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-15 00:54:53,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-15 00:54:53,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2019-10-15 00:54:53,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2019-10-15 00:54:53,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2019-10-15 00:54:53,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2019-10-15 00:54:53,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2019-10-15 00:54:53,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-15 00:54:53,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __class_create [2019-10-15 00:54:53,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow [2019-10-15 00:54:53,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2019-10-15 00:54:53,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2019-10-15 00:54:53,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __fdget [2019-10-15 00:54:53,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_rwsem [2019-10-15 00:54:53,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-10-15 00:54:53,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-10-15 00:54:53,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2019-10-15 00:54:53,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2019-10-15 00:54:53,084 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-15 00:54:53,084 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_module [2019-10-15 00:54:53,084 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2019-10-15 00:54:53,084 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-10-15 00:54:53,084 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-10-15 00:54:53,084 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_chrdev_region [2019-10-15 00:54:53,084 INFO L138 BoogieDeclarations]: Found implementation of procedure anon_inode_getfile [2019-10-15 00:54:53,085 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2019-10-15 00:54:53,085 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_del [2019-10-15 00:54:53,085 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_init [2019-10-15 00:54:53,085 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2019-10-15 00:54:53,085 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2019-10-15 00:54:53,085 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2019-10-15 00:54:53,085 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create [2019-10-15 00:54:53,086 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2019-10-15 00:54:53,086 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2019-10-15 00:54:53,086 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2019-10-15 00:54:53,086 INFO L138 BoogieDeclarations]: Found implementation of procedure fd_install [2019-10-15 00:54:53,086 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2019-10-15 00:54:53,086 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2019-10-15 00:54:53,086 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unused_fd_flags [2019-10-15 00:54:53,087 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_alloc [2019-10-15 00:54:53,087 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_destroy [2019-10-15 00:54:53,087 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_find_slowpath [2019-10-15 00:54:53,087 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_init [2019-10-15 00:54:53,087 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2019-10-15 00:54:53,087 INFO L138 BoogieDeclarations]: Found implementation of procedure iommu_group_for_each_dev [2019-10-15 00:54:53,087 INFO L138 BoogieDeclarations]: Found implementation of procedure iommu_group_get [2019-10-15 00:54:53,087 INFO L138 BoogieDeclarations]: Found implementation of procedure iommu_group_id [2019-10-15 00:54:53,088 INFO L138 BoogieDeclarations]: Found implementation of procedure iommu_group_put [2019-10-15 00:54:53,088 INFO L138 BoogieDeclarations]: Found implementation of procedure iommu_group_register_notifier [2019-10-15 00:54:53,088 INFO L138 BoogieDeclarations]: Found implementation of procedure iommu_group_unregister_notifier [2019-10-15 00:54:53,088 INFO L138 BoogieDeclarations]: Found implementation of procedure kasprintf [2019-10-15 00:54:53,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-15 00:54:53,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_open_1 [2019-10-15 00:54:53,088 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-10-15 00:54:53,089 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2019-10-15 00:54:53,089 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_register [2019-10-15 00:54:53,089 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-10-15 00:54:53,089 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-15 00:54:53,089 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2019-10-15 00:54:53,089 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-15 00:54:53,089 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unused_fd [2019-10-15 00:54:53,090 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2019-10-15 00:54:53,090 INFO L138 BoogieDeclarations]: Found implementation of procedure strndup_user [2019-10-15 00:54:53,090 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2019-10-15 00:54:53,090 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2019-10-15 00:54:53,090 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2019-10-15 00:54:53,090 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2019-10-15 00:54:53,090 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-10-15 00:54:53,091 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-15 00:54:53,091 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-15 00:54:53,091 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-15 00:54:53,091 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-15 00:54:53,091 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-15 00:54:53,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 00:54:53,092 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 00:54:53,092 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-15 00:54:53,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-15 00:54:53,092 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2019-10-15 00:54:53,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-15 00:54:53,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 00:54:53,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 00:54:53,093 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-15 00:54:53,093 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2019-10-15 00:54:53,093 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2019-10-15 00:54:53,093 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2019-10-15 00:54:53,093 INFO L130 BoogieDeclarations]: Found specification of procedure kasprintf [2019-10-15 00:54:53,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-15 00:54:53,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-15 00:54:53,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-15 00:54:53,094 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-15 00:54:53,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 00:54:53,094 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-10-15 00:54:53,094 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2019-10-15 00:54:53,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 00:54:53,094 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-10-15 00:54:53,094 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2019-10-15 00:54:53,095 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-10-15 00:54:53,095 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2019-10-15 00:54:53,095 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-10-15 00:54:53,095 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-10-15 00:54:53,095 INFO L130 BoogieDeclarations]: Found specification of procedure strndup_user [2019-10-15 00:54:53,095 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-15 00:54:53,095 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2019-10-15 00:54:53,095 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2019-10-15 00:54:53,096 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-10-15 00:54:53,096 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-10-15 00:54:53,096 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2019-10-15 00:54:53,096 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2019-10-15 00:54:53,096 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2019-10-15 00:54:53,097 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2019-10-15 00:54:53,097 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub_and_test [2019-10-15 00:54:53,097 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2019-10-15 00:54:53,097 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2019-10-15 00:54:53,097 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2019-10-15 00:54:53,098 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2019-10-15 00:54:53,098 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_cmpxchg [2019-10-15 00:54:53,098 INFO L130 BoogieDeclarations]: Found specification of procedure __atomic_add_unless [2019-10-15 00:54:53,098 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_unless [2019-10-15 00:54:53,099 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_if_positive [2019-10-15 00:54:53,099 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-10-15 00:54:53,099 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2019-10-15 00:54:53,099 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2019-10-15 00:54:53,101 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2019-10-15 00:54:53,106 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-15 00:54:53,106 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-10-15 00:54:53,106 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-15 00:54:53,106 INFO L130 BoogieDeclarations]: Found specification of procedure __init_rwsem [2019-10-15 00:54:53,106 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2019-10-15 00:54:53,107 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2019-10-15 00:54:53,107 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2019-10-15 00:54:53,107 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2019-10-15 00:54:53,110 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2019-10-15 00:54:53,110 INFO L130 BoogieDeclarations]: Found specification of procedure __request_module [2019-10-15 00:54:53,111 INFO L130 BoogieDeclarations]: Found specification of procedure idr_find_slowpath [2019-10-15 00:54:53,111 INFO L130 BoogieDeclarations]: Found specification of procedure idr_alloc [2019-10-15 00:54:53,111 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2019-10-15 00:54:53,111 INFO L130 BoogieDeclarations]: Found specification of procedure idr_destroy [2019-10-15 00:54:53,111 INFO L130 BoogieDeclarations]: Found specification of procedure idr_init [2019-10-15 00:54:53,111 INFO L130 BoogieDeclarations]: Found specification of procedure idr_find [2019-10-15 00:54:53,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 00:54:53,112 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2019-10-15 00:54:53,112 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2019-10-15 00:54:53,112 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2019-10-15 00:54:53,112 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-15 00:54:53,112 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2019-10-15 00:54:53,112 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put_mutex [2019-10-15 00:54:53,112 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-10-15 00:54:53,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_5 [2019-10-15 00:54:53,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_7 [2019-10-15 00:54:53,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_6 [2019-10-15 00:54:53,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_8 [2019-10-15 00:54:53,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_9 [2019-10-15 00:54:53,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_10 [2019-10-15 00:54:53,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_11 [2019-10-15 00:54:53,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2019-10-15 00:54:53,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2019-10-15 00:54:53,114 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2019-10-15 00:54:53,114 INFO L130 BoogieDeclarations]: Found specification of procedure task_pid_nr [2019-10-15 00:54:53,114 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-15 00:54:53,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-15 00:54:53,114 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-15 00:54:53,115 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-15 00:54:53,115 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-15 00:54:53,115 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 00:54:53,115 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-15 00:54:53,115 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 00:54:53,116 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-15 00:54:53,116 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-15 00:54:53,116 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-15 00:54:53,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 00:54:53,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-15 00:54:53,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-15 00:54:53,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-15 00:54:53,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-15 00:54:53,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-15 00:54:53,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-15 00:54:53,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-15 00:54:53,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-15 00:54:53,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-15 00:54:53,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_2 [2019-10-15 00:54:53,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_1 [2019-10-15 00:54:53,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_3 [2019-10-15 00:54:53,119 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_init [2019-10-15 00:54:53,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cdev_init_13 [2019-10-15 00:54:53,119 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2019-10-15 00:54:53,119 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_del [2019-10-15 00:54:53,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cdev_del_15 [2019-10-15 00:54:53,120 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2019-10-15 00:54:53,120 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_chrdev_region [2019-10-15 00:54:53,120 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2019-10-15 00:54:53,120 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2019-10-15 00:54:53,120 INFO L130 BoogieDeclarations]: Found specification of procedure __class_create [2019-10-15 00:54:53,120 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2019-10-15 00:54:53,120 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-10-15 00:54:53,121 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-15 00:54:53,121 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-15 00:54:53,121 INFO L130 BoogieDeclarations]: Found specification of procedure device_create [2019-10-15 00:54:53,121 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2019-10-15 00:54:53,121 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2019-10-15 00:54:53,121 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2019-10-15 00:54:53,122 INFO L130 BoogieDeclarations]: Found specification of procedure fdput [2019-10-15 00:54:53,122 INFO L130 BoogieDeclarations]: Found specification of procedure __fdget [2019-10-15 00:54:53,122 INFO L130 BoogieDeclarations]: Found specification of procedure __to_fd [2019-10-15 00:54:53,122 INFO L130 BoogieDeclarations]: Found specification of procedure fdget [2019-10-15 00:54:53,122 INFO L130 BoogieDeclarations]: Found specification of procedure get_unused_fd_flags [2019-10-15 00:54:53,123 INFO L130 BoogieDeclarations]: Found specification of procedure put_unused_fd [2019-10-15 00:54:53,123 INFO L130 BoogieDeclarations]: Found specification of procedure fd_install [2019-10-15 00:54:53,123 INFO L130 BoogieDeclarations]: Found specification of procedure anon_inode_getfile [2019-10-15 00:54:53,123 INFO L130 BoogieDeclarations]: Found specification of procedure iommu_group_for_each_dev [2019-10-15 00:54:53,123 INFO L130 BoogieDeclarations]: Found specification of procedure iommu_group_get [2019-10-15 00:54:53,124 INFO L130 BoogieDeclarations]: Found specification of procedure iommu_group_put [2019-10-15 00:54:53,124 INFO L130 BoogieDeclarations]: Found specification of procedure iommu_group_register_notifier [2019-10-15 00:54:53,124 INFO L130 BoogieDeclarations]: Found specification of procedure iommu_group_unregister_notifier [2019-10-15 00:54:53,124 INFO L130 BoogieDeclarations]: Found specification of procedure iommu_group_id [2019-10-15 00:54:53,124 INFO L130 BoogieDeclarations]: Found specification of procedure misc_register [2019-10-15 00:54:53,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_misc_register_12 [2019-10-15 00:54:53,125 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2019-10-15 00:54:53,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_misc_deregister_14 [2019-10-15 00:54:53,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_misc_deregister_16 [2019-10-15 00:54:53,125 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-10-15 00:54:53,125 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-10-15 00:54:53,125 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2019-10-15 00:54:53,125 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2019-10-15 00:54:53,125 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-10-15 00:54:53,126 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-10-15 00:54:53,126 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_add_group_dev [2019-10-15 00:54:53,126 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_del_group_dev [2019-10-15 00:54:53,126 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_get_from_dev [2019-10-15 00:54:53,126 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_put [2019-10-15 00:54:53,126 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_data [2019-10-15 00:54:53,126 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_register_iommu_driver [2019-10-15 00:54:53,126 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_unregister_iommu_driver [2019-10-15 00:54:53,127 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_get_external_user [2019-10-15 00:54:53,127 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_put_external_user [2019-10-15 00:54:53,127 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_external_user_iommu_id [2019-10-15 00:54:53,127 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_external_check_extension [2019-10-15 00:54:53,127 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_alloc_group_minor [2019-10-15 00:54:53,127 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_free_group_minor [2019-10-15 00:54:53,127 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_iommu_group_notifier [2019-10-15 00:54:53,127 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_get [2019-10-15 00:54:53,127 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_container_get [2019-10-15 00:54:53,128 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_container_release [2019-10-15 00:54:53,128 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_container_put [2019-10-15 00:54:53,128 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_unlock_and_free [2019-10-15 00:54:53,128 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_create_group [2019-10-15 00:54:53,128 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_release [2019-10-15 00:54:53,128 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_put [2019-10-15 00:54:53,128 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_try_get [2019-10-15 00:54:53,129 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_get_from_iommu [2019-10-15 00:54:53,129 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_get_from_minor [2019-10-15 00:54:53,129 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_create_device [2019-10-15 00:54:53,129 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_release [2019-10-15 00:54:53,129 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_get [2019-10-15 00:54:53,131 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_get_device [2019-10-15 00:54:53,131 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_whitelisted_driver [2019-10-15 00:54:53,131 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_dev_viable [2019-10-15 00:54:53,132 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_nb_add_dev [2019-10-15 00:54:53,132 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_nb_verify [2019-10-15 00:54:53,132 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_dev_present [2019-10-15 00:54:53,133 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2019-10-15 00:54:53,133 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_ioctl_check_extension [2019-10-15 00:54:53,133 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2019-10-15 00:54:53,133 INFO L130 BoogieDeclarations]: Found specification of procedure __vfio_container_attach_groups [2019-10-15 00:54:53,134 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-15 00:54:53,134 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-10-15 00:54:53,134 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_ioctl_set_iommu [2019-10-15 00:54:53,134 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~$Pointer$ [2019-10-15 00:54:53,134 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fops_unl_ioctl [2019-10-15 00:54:53,134 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fops_compat_ioctl [2019-10-15 00:54:53,135 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fops_open [2019-10-15 00:54:53,135 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fops_release [2019-10-15 00:54:53,135 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fops_read [2019-10-15 00:54:53,135 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2019-10-15 00:54:53,135 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fops_write [2019-10-15 00:54:53,135 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fops_mmap [2019-10-15 00:54:53,135 INFO L130 BoogieDeclarations]: Found specification of procedure __vfio_group_unset_container [2019-10-15 00:54:53,136 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_unset_container [2019-10-15 00:54:53,136 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_try_dissolve_container [2019-10-15 00:54:53,136 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_set_container [2019-10-15 00:54:53,136 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_viable [2019-10-15 00:54:53,136 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_get_device_fd [2019-10-15 00:54:53,136 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-10-15 00:54:53,137 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_fops_unl_ioctl [2019-10-15 00:54:53,137 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_fops_compat_ioctl [2019-10-15 00:54:53,137 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_fops_open [2019-10-15 00:54:53,137 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_fops_release [2019-10-15 00:54:53,137 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_fops_release [2019-10-15 00:54:53,138 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_fops_unl_ioctl [2019-10-15 00:54:53,138 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_fops_read [2019-10-15 00:54:53,138 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_fops_write [2019-10-15 00:54:53,138 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_fops_mmap [2019-10-15 00:54:53,138 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_fops_compat_ioctl [2019-10-15 00:54:53,139 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_devnode [2019-10-15 00:54:53,139 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_init [2019-10-15 00:54:53,139 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_cleanup [2019-10-15 00:54:53,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_open_1 [2019-10-15 00:54:53,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-15 00:54:53,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-15 00:54:53,139 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 00:54:53,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-15 00:54:53,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-15 00:54:53,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2019-10-15 00:54:53,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2019-10-15 00:54:53,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2019-10-15 00:54:53,140 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-15 00:54:53,140 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-15 00:54:53,140 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 00:54:53,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 00:54:53,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 00:54:53,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-15 00:54:53,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 00:54:53,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-15 00:54:53,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-15 00:54:53,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-15 00:54:53,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-15 00:54:54,483 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-15 00:54:59,364 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2019-10-15 00:54:59,970 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 00:54:59,971 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-15 00:54:59,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:54:59 BoogieIcfgContainer [2019-10-15 00:54:59,974 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 00:54:59,975 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 00:54:59,975 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 00:54:59,978 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 00:54:59,978 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 12:54:49" (1/3) ... [2019-10-15 00:54:59,980 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ca10d56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 12:54:59, skipping insertion in model container [2019-10-15 00:54:59,980 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:54:52" (2/3) ... [2019-10-15 00:54:59,981 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ca10d56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 12:54:59, skipping insertion in model container [2019-10-15 00:54:59,981 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:54:59" (3/3) ... [2019-10-15 00:54:59,983 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--vfio--vfio.ko-entry_point.cil.out.i [2019-10-15 00:54:59,993 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 00:55:00,007 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 00:55:00,019 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 00:55:00,057 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 00:55:00,057 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 00:55:00,057 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 00:55:00,057 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 00:55:00,057 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 00:55:00,057 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 00:55:00,058 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 00:55:00,058 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 00:55:00,165 INFO L276 IsEmpty]: Start isEmpty. Operand 1853 states. [2019-10-15 00:55:00,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2019-10-15 00:55:00,202 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:55:00,203 INFO L380 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 10, 10, 10, 10, 10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 00:55:00,205 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:55:00,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:55:00,212 INFO L82 PathProgramCache]: Analyzing trace with hash -198137817, now seen corresponding path program 1 times [2019-10-15 00:55:00,221 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:55:00,221 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89687786] [2019-10-15 00:55:00,222 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:55:00,222 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:55:00,222 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:55:00,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:55:01,485 INFO L134 CoverageAnalysis]: Checked inductivity of 1443 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1443 trivial. 0 not checked. [2019-10-15 00:55:01,486 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89687786] [2019-10-15 00:55:01,487 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:55:01,488 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:55:01,488 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971482969] [2019-10-15 00:55:01,497 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:55:01,499 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:55:01,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:55:01,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:55:01,521 INFO L87 Difference]: Start difference. First operand 1853 states. Second operand 3 states. [2019-10-15 00:55:02,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:55:02,922 INFO L93 Difference]: Finished difference Result 4006 states and 5355 transitions. [2019-10-15 00:55:02,923 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:55:02,925 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 350 [2019-10-15 00:55:02,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:55:02,977 INFO L225 Difference]: With dead ends: 4006 [2019-10-15 00:55:02,977 INFO L226 Difference]: Without dead ends: 2628 [2019-10-15 00:55:02,992 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:55:03,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2628 states. [2019-10-15 00:55:03,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2628 to 2625. [2019-10-15 00:55:03,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2625 states. [2019-10-15 00:55:03,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2625 states to 2625 states and 3398 transitions. [2019-10-15 00:55:03,261 INFO L78 Accepts]: Start accepts. Automaton has 2625 states and 3398 transitions. Word has length 350 [2019-10-15 00:55:03,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:55:03,263 INFO L462 AbstractCegarLoop]: Abstraction has 2625 states and 3398 transitions. [2019-10-15 00:55:03,263 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:55:03,263 INFO L276 IsEmpty]: Start isEmpty. Operand 2625 states and 3398 transitions. [2019-10-15 00:55:03,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2019-10-15 00:55:03,276 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:55:03,276 INFO L380 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 10, 10, 10, 10, 10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 00:55:03,276 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:55:03,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:55:03,277 INFO L82 PathProgramCache]: Analyzing trace with hash -1931354010, now seen corresponding path program 1 times [2019-10-15 00:55:03,277 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:55:03,277 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201674955] [2019-10-15 00:55:03,278 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:55:03,278 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:55:03,278 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:55:03,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:55:03,725 INFO L134 CoverageAnalysis]: Checked inductivity of 1443 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1443 trivial. 0 not checked. [2019-10-15 00:55:03,725 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201674955] [2019-10-15 00:55:03,725 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:55:03,726 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:55:03,726 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124413540] [2019-10-15 00:55:03,728 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:55:03,729 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:55:03,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:55:03,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:55:03,730 INFO L87 Difference]: Start difference. First operand 2625 states and 3398 transitions. Second operand 3 states. [2019-10-15 00:55:04,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:55:04,086 INFO L93 Difference]: Finished difference Result 5134 states and 6629 transitions. [2019-10-15 00:55:04,087 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:55:04,087 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 378 [2019-10-15 00:55:04,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:55:04,116 INFO L225 Difference]: With dead ends: 5134 [2019-10-15 00:55:04,116 INFO L226 Difference]: Without dead ends: 2587 [2019-10-15 00:55:04,134 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:55:04,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2587 states. [2019-10-15 00:55:04,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2587 to 2587. [2019-10-15 00:55:04,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2587 states. [2019-10-15 00:55:04,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2587 states to 2587 states and 3332 transitions. [2019-10-15 00:55:04,336 INFO L78 Accepts]: Start accepts. Automaton has 2587 states and 3332 transitions. Word has length 378 [2019-10-15 00:55:04,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:55:04,340 INFO L462 AbstractCegarLoop]: Abstraction has 2587 states and 3332 transitions. [2019-10-15 00:55:04,341 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:55:04,341 INFO L276 IsEmpty]: Start isEmpty. Operand 2587 states and 3332 transitions. [2019-10-15 00:55:04,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2019-10-15 00:55:04,360 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:55:04,361 INFO L380 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 00:55:04,361 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:55:04,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:55:04,362 INFO L82 PathProgramCache]: Analyzing trace with hash -234996711, now seen corresponding path program 1 times [2019-10-15 00:55:04,362 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:55:04,362 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677407238] [2019-10-15 00:55:04,362 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:55:04,363 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:55:04,363 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:55:04,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:55:04,907 INFO L134 CoverageAnalysis]: Checked inductivity of 1440 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1440 trivial. 0 not checked. [2019-10-15 00:55:04,908 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677407238] [2019-10-15 00:55:04,908 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:55:04,908 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:55:04,908 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631906644] [2019-10-15 00:55:04,909 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:55:04,909 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:55:04,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:55:04,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:55:04,910 INFO L87 Difference]: Start difference. First operand 2587 states and 3332 transitions. Second operand 3 states. [2019-10-15 00:55:05,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:55:05,235 INFO L93 Difference]: Finished difference Result 5022 states and 6435 transitions. [2019-10-15 00:55:05,236 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:55:05,236 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 368 [2019-10-15 00:55:05,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:55:05,403 INFO L225 Difference]: With dead ends: 5022 [2019-10-15 00:55:05,403 INFO L226 Difference]: Without dead ends: 2513 [2019-10-15 00:55:05,419 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:55:05,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2513 states. [2019-10-15 00:55:05,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2513 to 2513. [2019-10-15 00:55:05,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2513 states. [2019-10-15 00:55:05,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2513 states to 2513 states and 3204 transitions. [2019-10-15 00:55:05,569 INFO L78 Accepts]: Start accepts. Automaton has 2513 states and 3204 transitions. Word has length 368 [2019-10-15 00:55:05,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:55:05,570 INFO L462 AbstractCegarLoop]: Abstraction has 2513 states and 3204 transitions. [2019-10-15 00:55:05,570 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:55:05,570 INFO L276 IsEmpty]: Start isEmpty. Operand 2513 states and 3204 transitions. [2019-10-15 00:55:05,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2019-10-15 00:55:05,582 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:55:05,583 INFO L380 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 12, 12, 12, 12, 12, 12, 12, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 00:55:05,583 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:55:05,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:55:05,584 INFO L82 PathProgramCache]: Analyzing trace with hash 1305649067, now seen corresponding path program 1 times [2019-10-15 00:55:05,584 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:55:05,585 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826798135] [2019-10-15 00:55:05,585 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:55:05,585 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:55:05,585 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:55:05,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:55:06,048 INFO L134 CoverageAnalysis]: Checked inductivity of 1614 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1614 trivial. 0 not checked. [2019-10-15 00:55:06,048 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826798135] [2019-10-15 00:55:06,049 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:55:06,049 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 00:55:06,049 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217514412] [2019-10-15 00:55:06,050 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 00:55:06,050 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:55:06,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 00:55:06,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 00:55:06,051 INFO L87 Difference]: Start difference. First operand 2513 states and 3204 transitions. Second operand 5 states. [2019-10-15 00:55:07,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:55:07,844 INFO L93 Difference]: Finished difference Result 4957 states and 6314 transitions. [2019-10-15 00:55:07,845 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-15 00:55:07,845 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 363 [2019-10-15 00:55:07,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:55:07,862 INFO L225 Difference]: With dead ends: 4957 [2019-10-15 00:55:07,862 INFO L226 Difference]: Without dead ends: 2522 [2019-10-15 00:55:07,872 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 00:55:07,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2522 states. [2019-10-15 00:55:07,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2522 to 2517. [2019-10-15 00:55:07,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2517 states. [2019-10-15 00:55:07,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2517 states to 2517 states and 3207 transitions. [2019-10-15 00:55:07,991 INFO L78 Accepts]: Start accepts. Automaton has 2517 states and 3207 transitions. Word has length 363 [2019-10-15 00:55:07,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:55:07,991 INFO L462 AbstractCegarLoop]: Abstraction has 2517 states and 3207 transitions. [2019-10-15 00:55:07,992 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 00:55:07,992 INFO L276 IsEmpty]: Start isEmpty. Operand 2517 states and 3207 transitions. [2019-10-15 00:55:08,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2019-10-15 00:55:08,003 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:55:08,003 INFO L380 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 12, 12, 12, 12, 12, 12, 12, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 00:55:08,004 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:55:08,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:55:08,004 INFO L82 PathProgramCache]: Analyzing trace with hash 1362907369, now seen corresponding path program 1 times [2019-10-15 00:55:08,005 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:55:08,005 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232449276] [2019-10-15 00:55:08,005 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:55:08,005 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:55:08,006 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:55:08,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:55:08,583 INFO L134 CoverageAnalysis]: Checked inductivity of 1614 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1614 trivial. 0 not checked. [2019-10-15 00:55:08,583 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232449276] [2019-10-15 00:55:08,584 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:55:08,584 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:55:08,585 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445903573] [2019-10-15 00:55:08,586 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:55:08,586 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:55:08,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:55:08,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:55:08,587 INFO L87 Difference]: Start difference. First operand 2517 states and 3207 transitions. Second operand 3 states. [2019-10-15 00:55:08,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:55:08,807 INFO L93 Difference]: Finished difference Result 7392 states and 9596 transitions. [2019-10-15 00:55:08,807 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:55:08,807 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 363 [2019-10-15 00:55:08,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:55:08,847 INFO L225 Difference]: With dead ends: 7392 [2019-10-15 00:55:08,847 INFO L226 Difference]: Without dead ends: 4899 [2019-10-15 00:55:08,864 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:55:08,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4899 states. [2019-10-15 00:55:09,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4899 to 4895. [2019-10-15 00:55:09,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4895 states. [2019-10-15 00:55:09,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4895 states to 4895 states and 6278 transitions. [2019-10-15 00:55:09,141 INFO L78 Accepts]: Start accepts. Automaton has 4895 states and 6278 transitions. Word has length 363 [2019-10-15 00:55:09,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:55:09,143 INFO L462 AbstractCegarLoop]: Abstraction has 4895 states and 6278 transitions. [2019-10-15 00:55:09,143 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:55:09,143 INFO L276 IsEmpty]: Start isEmpty. Operand 4895 states and 6278 transitions. [2019-10-15 00:55:09,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 390 [2019-10-15 00:55:09,154 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:55:09,154 INFO L380 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 10, 10, 10, 10, 10, 10, 10, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 00:55:09,155 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:55:09,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:55:09,155 INFO L82 PathProgramCache]: Analyzing trace with hash -1532368556, now seen corresponding path program 1 times [2019-10-15 00:55:09,156 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:55:09,156 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229072912] [2019-10-15 00:55:09,156 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:55:09,156 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:55:09,156 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:55:09,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:55:09,644 INFO L134 CoverageAnalysis]: Checked inductivity of 1446 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1446 trivial. 0 not checked. [2019-10-15 00:55:09,645 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229072912] [2019-10-15 00:55:09,645 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:55:09,645 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:55:09,646 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975540423] [2019-10-15 00:55:09,646 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:55:09,647 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:55:09,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:55:09,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:55:09,647 INFO L87 Difference]: Start difference. First operand 4895 states and 6278 transitions. Second operand 3 states. [2019-10-15 00:55:09,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:55:09,971 INFO L93 Difference]: Finished difference Result 7635 states and 9748 transitions. [2019-10-15 00:55:09,971 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:55:09,971 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 389 [2019-10-15 00:55:09,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:55:09,990 INFO L225 Difference]: With dead ends: 7635 [2019-10-15 00:55:09,990 INFO L226 Difference]: Without dead ends: 2818 [2019-10-15 00:55:10,010 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:55:10,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2818 states. [2019-10-15 00:55:10,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2818 to 2746. [2019-10-15 00:55:10,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2746 states. [2019-10-15 00:55:10,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2746 states to 2746 states and 3487 transitions. [2019-10-15 00:55:10,146 INFO L78 Accepts]: Start accepts. Automaton has 2746 states and 3487 transitions. Word has length 389 [2019-10-15 00:55:10,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:55:10,146 INFO L462 AbstractCegarLoop]: Abstraction has 2746 states and 3487 transitions. [2019-10-15 00:55:10,146 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:55:10,147 INFO L276 IsEmpty]: Start isEmpty. Operand 2746 states and 3487 transitions. [2019-10-15 00:55:10,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 531 [2019-10-15 00:55:10,162 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:55:10,163 INFO L380 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 14, 14, 14, 14, 14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 00:55:10,163 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:55:10,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:55:10,164 INFO L82 PathProgramCache]: Analyzing trace with hash 1574882870, now seen corresponding path program 1 times [2019-10-15 00:55:10,164 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:55:10,164 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505152599] [2019-10-15 00:55:10,164 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:55:10,165 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:55:10,165 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:55:10,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:55:11,897 INFO L134 CoverageAnalysis]: Checked inductivity of 1829 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1827 trivial. 0 not checked. [2019-10-15 00:55:11,898 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505152599] [2019-10-15 00:55:11,898 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:55:11,898 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:55:11,899 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063981022] [2019-10-15 00:55:11,899 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:55:11,900 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:55:11,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:55:11,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:55:11,900 INFO L87 Difference]: Start difference. First operand 2746 states and 3487 transitions. Second operand 3 states. [2019-10-15 00:55:13,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:55:13,590 INFO L93 Difference]: Finished difference Result 6752 states and 8580 transitions. [2019-10-15 00:55:13,590 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:55:13,591 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 530 [2019-10-15 00:55:13,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:55:13,629 INFO L225 Difference]: With dead ends: 6752 [2019-10-15 00:55:13,629 INFO L226 Difference]: Without dead ends: 4101 [2019-10-15 00:55:13,645 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:55:13,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4101 states. [2019-10-15 00:55:13,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4101 to 4027. [2019-10-15 00:55:13,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4027 states. [2019-10-15 00:55:13,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4027 states to 4027 states and 5114 transitions. [2019-10-15 00:55:13,904 INFO L78 Accepts]: Start accepts. Automaton has 4027 states and 5114 transitions. Word has length 530 [2019-10-15 00:55:13,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:55:13,905 INFO L462 AbstractCegarLoop]: Abstraction has 4027 states and 5114 transitions. [2019-10-15 00:55:13,905 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:55:13,906 INFO L276 IsEmpty]: Start isEmpty. Operand 4027 states and 5114 transitions. [2019-10-15 00:55:13,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 546 [2019-10-15 00:55:13,940 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:55:13,941 INFO L380 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 14, 14, 14, 14, 14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 00:55:13,941 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:55:13,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:55:13,942 INFO L82 PathProgramCache]: Analyzing trace with hash 746503148, now seen corresponding path program 1 times [2019-10-15 00:55:13,943 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:55:13,943 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313631666] [2019-10-15 00:55:13,943 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:55:13,944 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:55:13,944 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:55:14,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:55:14,662 INFO L134 CoverageAnalysis]: Checked inductivity of 1838 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1838 trivial. 0 not checked. [2019-10-15 00:55:14,663 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313631666] [2019-10-15 00:55:14,663 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:55:14,663 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:55:14,663 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647905927] [2019-10-15 00:55:14,664 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:55:14,665 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:55:14,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:55:14,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:55:14,665 INFO L87 Difference]: Start difference. First operand 4027 states and 5114 transitions. Second operand 3 states. [2019-10-15 00:55:14,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:55:14,862 INFO L93 Difference]: Finished difference Result 7987 states and 10357 transitions. [2019-10-15 00:55:14,862 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:55:14,863 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 545 [2019-10-15 00:55:14,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:55:14,897 INFO L225 Difference]: With dead ends: 7987 [2019-10-15 00:55:14,897 INFO L226 Difference]: Without dead ends: 4055 [2019-10-15 00:55:14,921 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:55:14,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4055 states. [2019-10-15 00:55:15,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4055 to 4039. [2019-10-15 00:55:15,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4039 states. [2019-10-15 00:55:15,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4039 states to 4039 states and 5130 transitions. [2019-10-15 00:55:15,115 INFO L78 Accepts]: Start accepts. Automaton has 4039 states and 5130 transitions. Word has length 545 [2019-10-15 00:55:15,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:55:15,116 INFO L462 AbstractCegarLoop]: Abstraction has 4039 states and 5130 transitions. [2019-10-15 00:55:15,117 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:55:15,117 INFO L276 IsEmpty]: Start isEmpty. Operand 4039 states and 5130 transitions. [2019-10-15 00:55:15,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 551 [2019-10-15 00:55:15,137 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:55:15,137 INFO L380 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 14, 14, 14, 14, 14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 00:55:15,138 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:55:15,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:55:15,138 INFO L82 PathProgramCache]: Analyzing trace with hash 1040590151, now seen corresponding path program 1 times [2019-10-15 00:55:15,138 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:55:15,139 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926876570] [2019-10-15 00:55:15,139 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:55:15,139 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:55:15,139 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:55:16,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:55:17,536 INFO L134 CoverageAnalysis]: Checked inductivity of 1838 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 1733 trivial. 0 not checked. [2019-10-15 00:55:17,536 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926876570] [2019-10-15 00:55:17,537 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1529016784] [2019-10-15 00:55:17,538 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true