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-32_7a-drivers--pcmcia--pcmcia_rsrc.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 20:57:56,811 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 20:57:56,814 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 20:57:56,826 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 20:57:56,827 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 20:57:56,828 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 20:57:56,829 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 20:57:56,831 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 20:57:56,833 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 20:57:56,834 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 20:57:56,835 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 20:57:56,836 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 20:57:56,837 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 20:57:56,838 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 20:57:56,839 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 20:57:56,840 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 20:57:56,841 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 20:57:56,842 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 20:57:56,844 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 20:57:56,846 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 20:57:56,848 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 20:57:56,849 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 20:57:56,851 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 20:57:56,851 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 20:57:56,854 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 20:57:56,854 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 20:57:56,854 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 20:57:56,855 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 20:57:56,856 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 20:57:56,857 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 20:57:56,857 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 20:57:56,858 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 20:57:56,859 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 20:57:56,860 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 20:57:56,861 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 20:57:56,861 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 20:57:56,862 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 20:57:56,862 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 20:57:56,862 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 20:57:56,863 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 20:57:56,864 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 20:57:56,865 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 [2019-10-13 20:57:56,887 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 20:57:56,887 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 20:57:56,889 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 20:57:56,889 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 20:57:56,890 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 20:57:56,890 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 20:57:56,890 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 20:57:56,890 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 20:57:56,891 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 20:57:56,891 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 20:57:56,892 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 20:57:56,892 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 20:57:56,892 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 20:57:56,893 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 20:57:56,893 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 20:57:56,893 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 20:57:56,893 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 20:57:56,894 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 20:57:56,894 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 20:57:56,894 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 20:57:56,894 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 20:57:56,895 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 20:57:56,895 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 20:57:56,895 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 20:57:56,895 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 20:57:56,896 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 20:57:56,896 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 20:57:56,896 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 20:57:56,896 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 [2019-10-13 20:57:57,198 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 20:57:57,212 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 20:57:57,215 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 20:57:57,217 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 20:57:57,217 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 20:57:57,218 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia_rsrc.ko-entry_point.cil.out.i [2019-10-13 20:57:57,287 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f22e1af3/b290b7cd158241d696fd3f6f1e7fc9d5/FLAG457573836 [2019-10-13 20:57:58,056 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 20:57:58,059 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia_rsrc.ko-entry_point.cil.out.i [2019-10-13 20:57:58,097 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f22e1af3/b290b7cd158241d696fd3f6f1e7fc9d5/FLAG457573836 [2019-10-13 20:57:58,156 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f22e1af3/b290b7cd158241d696fd3f6f1e7fc9d5 [2019-10-13 20:57:58,168 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 20:57:58,170 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 20:57:58,173 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 20:57:58,173 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 20:57:58,176 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 20:57:58,177 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:57:58" (1/1) ... [2019-10-13 20:57:58,180 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d0310ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:57:58, skipping insertion in model container [2019-10-13 20:57:58,180 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:57:58" (1/1) ... [2019-10-13 20:57:58,188 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 20:57:58,286 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 20:57:59,960 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 20:57:59,999 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 20:58:00,278 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 20:58:00,502 INFO L192 MainTranslator]: Completed translation [2019-10-13 20:58:00,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:58:00 WrapperNode [2019-10-13 20:58:00,504 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 20:58:00,505 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 20:58:00,505 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 20:58:00,505 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 20:58:00,520 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:58:00" (1/1) ... [2019-10-13 20:58:00,520 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:58:00" (1/1) ... [2019-10-13 20:58:00,609 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:58:00" (1/1) ... [2019-10-13 20:58:00,610 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:58:00" (1/1) ... [2019-10-13 20:58:00,720 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:58:00" (1/1) ... [2019-10-13 20:58:00,736 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:58:00" (1/1) ... [2019-10-13 20:58:00,761 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:58:00" (1/1) ... [2019-10-13 20:58:00,790 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 20:58:00,791 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 20:58:00,791 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 20:58:00,792 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 20:58:00,793 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:58:00" (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 [2019-10-13 20:58:00,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 20:58:00,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 20:58:00,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-13 20:58:00,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2019-10-13 20:58:00,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-13 20:58:00,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-13 20:58:00,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-13 20:58:00,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-13 20:58:00,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-13 20:58:00,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-13 20:58:00,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-13 20:58:00,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-13 20:58:00,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-13 20:58:00,865 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-13 20:58:00,865 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-13 20:58:00,865 INFO L138 BoogieDeclarations]: Found implementation of procedure static_init [2019-10-13 20:58:00,868 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_make_resource [2019-10-13 20:58:00,868 INFO L138 BoogieDeclarations]: Found implementation of procedure static_find_io [2019-10-13 20:58:00,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_pccard_resource_ops_7 [2019-10-13 20:58:00,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_pccard_resource_ops_6 [2019-10-13 20:58:00,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_6 [2019-10-13 20:58:00,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_7 [2019-10-13 20:58:00,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_5 [2019-10-13 20:58:00,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_6 [2019-10-13 20:58:00,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_7 [2019-10-13 20:58:00,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_8 [2019-10-13 20:58:00,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2019-10-13 20:58:00,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-13 20:58:00,870 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2019-10-13 20:58:00,870 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2019-10-13 20:58:00,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2019-10-13 20:58:00,871 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-10-13 20:58:00,871 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-10-13 20:58:00,871 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-13 20:58:00,871 INFO L138 BoogieDeclarations]: Found implementation of procedure claim_region [2019-10-13 20:58:00,871 INFO L138 BoogieDeclarations]: Found implementation of procedure free_region [2019-10-13 20:58:00,872 INFO L138 BoogieDeclarations]: Found implementation of procedure add_interval [2019-10-13 20:58:00,872 INFO L138 BoogieDeclarations]: Found implementation of procedure sub_interval [2019-10-13 20:58:00,872 INFO L138 BoogieDeclarations]: Found implementation of procedure readable [2019-10-13 20:58:00,872 INFO L138 BoogieDeclarations]: Found implementation of procedure checksum [2019-10-13 20:58:00,872 INFO L138 BoogieDeclarations]: Found implementation of procedure do_validate_mem [2019-10-13 20:58:00,872 INFO L138 BoogieDeclarations]: Found implementation of procedure do_mem_probe [2019-10-13 20:58:00,872 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_mem [2019-10-13 20:58:00,873 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_nonstatic_validate_mem [2019-10-13 20:58:00,873 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_common_align [2019-10-13 20:58:00,873 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_align [2019-10-13 20:58:00,873 INFO L138 BoogieDeclarations]: Found implementation of procedure __nonstatic_adjust_io_region [2019-10-13 20:58:00,873 INFO L138 BoogieDeclarations]: Found implementation of procedure __nonstatic_find_io_region [2019-10-13 20:58:00,873 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_find_io [2019-10-13 20:58:00,874 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_find_mem_region [2019-10-13 20:58:00,874 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_memory [2019-10-13 20:58:00,874 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_io [2019-10-13 20:58:00,874 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_autoadd_resources [2019-10-13 20:58:00,874 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_init [2019-10-13 20:58:00,874 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_release_resource_db [2019-10-13 20:58:00,875 INFO L138 BoogieDeclarations]: Found implementation of procedure show_io_db [2019-10-13 20:58:00,875 INFO L138 BoogieDeclarations]: Found implementation of procedure store_io_db [2019-10-13 20:58:00,875 INFO L138 BoogieDeclarations]: Found implementation of procedure show_mem_db [2019-10-13 20:58:00,875 INFO L138 BoogieDeclarations]: Found implementation of procedure store_mem_db [2019-10-13 20:58:00,875 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_sysfs_add_rsrc [2019-10-13 20:58:00,875 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_sysfs_remove_rsrc [2019-10-13 20:58:00,876 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_sysfs_init [2019-10-13 20:58:00,876 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_sysfs_exit [2019-10-13 20:58:00,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_pccard_resource_ops_4 [2019-10-13 20:58:00,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_device_attribute_2 [2019-10-13 20:58:00,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_pccard_resource_ops_5 [2019-10-13 20:58:00,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_device_attribute_3 [2019-10-13 20:58:00,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_class_interface_1 [2019-10-13 20:58:00,877 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 20:58:00,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_19 [2019-10-13 20:58:00,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_20 [2019-10-13 20:58:00,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_21 [2019-10-13 20:58:00,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_22 [2019-10-13 20:58:00,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_23 [2019-10-13 20:58:00,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_24 [2019-10-13 20:58:00,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_25 [2019-10-13 20:58:00,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_26 [2019-10-13 20:58:00,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_27 [2019-10-13 20:58:00,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_28 [2019-10-13 20:58:00,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_29 [2019-10-13 20:58:00,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_30 [2019-10-13 20:58:00,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_31 [2019-10-13 20:58:00,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_32 [2019-10-13 20:58:00,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_33 [2019-10-13 20:58:00,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-13 20:58:00,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2019-10-13 20:58:00,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-13 20:58:00,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-13 20:58:00,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-13 20:58:00,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-13 20:58:00,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-10-13 20:58:00,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-10-13 20:58:00,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-10-13 20:58:00,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-10-13 20:58:00,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-13 20:58:00,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-10-13 20:58:00,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-10-13 20:58:00,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_lock [2019-10-13 20:58:00,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_lock [2019-10-13 20:58:00,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_lock [2019-10-13 20:58:00,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_lock [2019-10-13 20:58:00,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-13 20:58:00,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-13 20:58:00,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-10-13 20:58:00,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-10-13 20:58:00,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-13 20:58:00,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-13 20:58:00,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-10-13 20:58:00,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_mutex_of_device [2019-10-13 20:58:00,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_mutex_of_device [2019-10-13 20:58:00,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-10-13 20:58:00,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_mutex_of_device [2019-10-13 20:58:00,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_ops_mutex_of_pcmcia_socket [2019-10-13 20:58:00,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_ops_mutex_of_pcmcia_socket [2019-10-13 20:58:00,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_ops_mutex_of_pcmcia_socket [2019-10-13 20:58:00,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_ops_mutex_of_pcmcia_socket [2019-10-13 20:58:00,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_ops_mutex_of_pcmcia_socket [2019-10-13 20:58:00,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_ops_mutex_of_pcmcia_socket [2019-10-13 20:58:00,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_ops_mutex_of_pcmcia_socket [2019-10-13 20:58:00,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_ops_mutex_of_pcmcia_socket [2019-10-13 20:58:00,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_ops_mutex_of_pcmcia_socket [2019-10-13 20:58:00,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_ops_mutex_of_pcmcia_socket [2019-10-13 20:58:00,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_ops_mutex_of_pcmcia_socket [2019-10-13 20:58:00,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-13 20:58:00,885 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2019-10-13 20:58:00,886 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-10-13 20:58:00,886 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_resource [2019-10-13 20:58:00,886 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_resource [2019-10-13 20:58:00,886 INFO L138 BoogieDeclarations]: Found implementation of procedure class_interface_register [2019-10-13 20:58:00,886 INFO L138 BoogieDeclarations]: Found implementation of procedure class_interface_unregister [2019-10-13 20:58:00,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2019-10-13 20:58:00,886 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2019-10-13 20:58:00,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-13 20:58:00,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_6 [2019-10-13 20:58:00,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_7 [2019-10-13 20:58:00,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_setup_6 [2019-10-13 20:58:00,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_setup_7 [2019-10-13 20:58:00,887 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-10-13 20:58:00,887 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-10-13 20:58:00,888 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-13 20:58:00,888 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_alloc_resource [2019-10-13 20:58:00,888 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_find_parent_resource [2019-10-13 20:58:00,888 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-13 20:58:00,888 INFO L138 BoogieDeclarations]: Found implementation of procedure release_resource [2019-10-13 20:58:00,888 INFO L138 BoogieDeclarations]: Found implementation of procedure request_resource [2019-10-13 20:58:00,889 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2019-10-13 20:58:00,889 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2019-10-13 20:58:00,889 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-13 20:58:00,889 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-13 20:58:00,889 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-13 20:58:00,889 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-13 20:58:00,889 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 20:58:00,890 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-13 20:58:00,890 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-10-13 20:58:00,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_8 [2019-10-13 20:58:00,890 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-13 20:58:00,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_6 [2019-10-13 20:58:00,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2019-10-13 20:58:00,890 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 20:58:00,891 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-13 20:58:00,891 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 20:58:00,891 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-13 20:58:00,891 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-13 20:58:00,891 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-13 20:58:00,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-13 20:58:00,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 20:58:00,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-13 20:58:00,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-13 20:58:00,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-13 20:58:00,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-13 20:58:00,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-13 20:58:00,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-13 20:58:00,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-13 20:58:00,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-13 20:58:00,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-13 20:58:00,893 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-10-13 20:58:00,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_5 [2019-10-13 20:58:00,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_7 [2019-10-13 20:58:00,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-10-13 20:58:00,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-10-13 20:58:00,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-10-13 20:58:00,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-10-13 20:58:00,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-10-13 20:58:00,894 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-13 20:58:00,894 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-13 20:58:00,894 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-13 20:58:00,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_pccard_resource_ops_7 [2019-10-13 20:58:00,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_pccard_resource_ops_6 [2019-10-13 20:58:00,895 INFO L130 BoogieDeclarations]: Found specification of procedure static_init [2019-10-13 20:58:00,895 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_make_resource [2019-10-13 20:58:00,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 20:58:00,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 20:58:00,895 INFO L130 BoogieDeclarations]: Found specification of procedure static_find_io [2019-10-13 20:58:00,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 20:58:00,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_6 [2019-10-13 20:58:00,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_setup_6 [2019-10-13 20:58:00,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_7 [2019-10-13 20:58:00,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_setup_7 [2019-10-13 20:58:00,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_6 [2019-10-13 20:58:00,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 20:58:00,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 20:58:00,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_7 [2019-10-13 20:58:00,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-13 20:58:00,897 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-13 20:58:00,897 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2019-10-13 20:58:00,897 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-10-13 20:58:00,897 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2019-10-13 20:58:00,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_22 [2019-10-13 20:58:00,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_20 [2019-10-13 20:58:00,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_23 [2019-10-13 20:58:00,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_24 [2019-10-13 20:58:00,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_27 [2019-10-13 20:58:00,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_29 [2019-10-13 20:58:00,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_31 [2019-10-13 20:58:00,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_33 [2019-10-13 20:58:00,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_19 [2019-10-13 20:58:00,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_21 [2019-10-13 20:58:00,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_25 [2019-10-13 20:58:00,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_26 [2019-10-13 20:58:00,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_28 [2019-10-13 20:58:00,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_30 [2019-10-13 20:58:00,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_32 [2019-10-13 20:58:00,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_ops_mutex_of_pcmcia_socket [2019-10-13 20:58:00,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_ops_mutex_of_pcmcia_socket [2019-10-13 20:58:00,900 INFO L130 BoogieDeclarations]: Found specification of procedure request_resource [2019-10-13 20:58:00,900 INFO L130 BoogieDeclarations]: Found specification of procedure release_resource [2019-10-13 20:58:00,900 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_resource [2019-10-13 20:58:00,900 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_resource [2019-10-13 20:58:00,901 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2019-10-13 20:58:00,901 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2019-10-13 20:58:00,901 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2019-10-13 20:58:00,901 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2019-10-13 20:58:00,901 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2019-10-13 20:58:00,901 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-13 20:58:00,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_pccard_resource_ops_4 [2019-10-13 20:58:00,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_device_attribute_2 [2019-10-13 20:58:00,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_pccard_resource_ops_5 [2019-10-13 20:58:00,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_device_attribute_3 [2019-10-13 20:58:00,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_class_interface_1 [2019-10-13 20:58:00,902 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2019-10-13 20:58:00,902 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2019-10-13 20:58:00,902 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-10-13 20:58:00,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 20:58:00,903 INFO L130 BoogieDeclarations]: Found specification of procedure class_interface_register [2019-10-13 20:58:00,903 INFO L130 BoogieDeclarations]: Found specification of procedure class_interface_unregister [2019-10-13 20:58:00,903 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-10-13 20:58:00,903 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-13 20:58:00,903 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-10-13 20:58:00,903 INFO L130 BoogieDeclarations]: Found specification of procedure pci_find_parent_resource [2019-10-13 20:58:00,903 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_alloc_resource [2019-10-13 20:58:00,904 INFO L130 BoogieDeclarations]: Found specification of procedure claim_region [2019-10-13 20:58:00,904 INFO L130 BoogieDeclarations]: Found specification of procedure free_region [2019-10-13 20:58:00,904 INFO L130 BoogieDeclarations]: Found specification of procedure add_interval [2019-10-13 20:58:00,904 INFO L130 BoogieDeclarations]: Found specification of procedure sub_interval [2019-10-13 20:58:00,904 INFO L130 BoogieDeclarations]: Found specification of procedure readable [2019-10-13 20:58:00,904 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-13 20:58:00,904 INFO L130 BoogieDeclarations]: Found specification of procedure checksum [2019-10-13 20:58:00,905 INFO L130 BoogieDeclarations]: Found specification of procedure do_validate_mem [2019-10-13 20:58:00,905 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2019-10-13 20:58:00,905 INFO L130 BoogieDeclarations]: Found specification of procedure do_mem_probe [2019-10-13 20:58:00,905 INFO L130 BoogieDeclarations]: Found specification of procedure validate_mem [2019-10-13 20:58:00,905 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_nonstatic_validate_mem [2019-10-13 20:58:00,905 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_common_align [2019-10-13 20:58:00,906 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_align [2019-10-13 20:58:00,906 INFO L130 BoogieDeclarations]: Found specification of procedure __nonstatic_adjust_io_region [2019-10-13 20:58:00,906 INFO L130 BoogieDeclarations]: Found specification of procedure __nonstatic_find_io_region [2019-10-13 20:58:00,906 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_find_io [2019-10-13 20:58:00,906 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_find_mem_region [2019-10-13 20:58:00,906 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_memory [2019-10-13 20:58:00,907 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_io [2019-10-13 20:58:00,907 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_autoadd_resources [2019-10-13 20:58:00,907 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_init [2019-10-13 20:58:00,907 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_release_resource_db [2019-10-13 20:58:00,907 INFO L130 BoogieDeclarations]: Found specification of procedure show_io_db [2019-10-13 20:58:00,907 INFO L130 BoogieDeclarations]: Found specification of procedure store_io_db [2019-10-13 20:58:00,908 INFO L130 BoogieDeclarations]: Found specification of procedure show_mem_db [2019-10-13 20:58:00,908 INFO L130 BoogieDeclarations]: Found specification of procedure store_mem_db [2019-10-13 20:58:00,908 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_sysfs_add_rsrc [2019-10-13 20:58:00,908 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_sysfs_remove_rsrc [2019-10-13 20:58:00,908 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_sysfs_init [2019-10-13 20:58:00,908 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_sysfs_exit [2019-10-13 20:58:00,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-13 20:58:00,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-13 20:58:00,909 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 20:58:00,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-13 20:58:00,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2019-10-13 20:58:00,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-13 20:58:00,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-13 20:58:00,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-13 20:58:00,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-13 20:58:00,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-10-13 20:58:00,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-10-13 20:58:00,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-10-13 20:58:00,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-13 20:58:00,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-10-13 20:58:00,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_lock [2019-10-13 20:58:00,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_lock [2019-10-13 20:58:00,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_lock [2019-10-13 20:58:00,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_lock [2019-10-13 20:58:00,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-13 20:58:00,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-13 20:58:00,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-13 20:58:00,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-13 20:58:00,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_mutex_of_device [2019-10-13 20:58:00,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_mutex_of_device [2019-10-13 20:58:00,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-10-13 20:58:00,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_mutex_of_device [2019-10-13 20:58:00,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_ops_mutex_of_pcmcia_socket [2019-10-13 20:58:00,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_ops_mutex_of_pcmcia_socket [2019-10-13 20:58:00,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_ops_mutex_of_pcmcia_socket [2019-10-13 20:58:00,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_ops_mutex_of_pcmcia_socket [2019-10-13 20:58:00,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_ops_mutex_of_pcmcia_socket [2019-10-13 20:58:00,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_ops_mutex_of_pcmcia_socket [2019-10-13 20:58:00,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_ops_mutex_of_pcmcia_socket [2019-10-13 20:58:00,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_ops_mutex_of_pcmcia_socket [2019-10-13 20:58:00,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_ops_mutex_of_pcmcia_socket [2019-10-13 20:58:00,914 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-13 20:58:00,914 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 20:58:00,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 20:58:00,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-13 20:58:00,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 20:58:00,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 20:58:01,832 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-13 20:58:04,803 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 20:58:04,804 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-13 20:58:04,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:58:04 BoogieIcfgContainer [2019-10-13 20:58:04,806 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 20:58:04,807 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 20:58:04,807 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 20:58:04,810 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 20:58:04,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:57:58" (1/3) ... [2019-10-13 20:58:04,812 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@643dea4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:58:04, skipping insertion in model container [2019-10-13 20:58:04,812 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:58:00" (2/3) ... [2019-10-13 20:58:04,812 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@643dea4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:58:04, skipping insertion in model container [2019-10-13 20:58:04,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:58:04" (3/3) ... [2019-10-13 20:58:04,814 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia_rsrc.ko-entry_point.cil.out.i [2019-10-13 20:58:04,825 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 20:58:04,835 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 20:58:04,847 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 20:58:04,880 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 20:58:04,880 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 20:58:04,880 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 20:58:04,880 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 20:58:04,881 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 20:58:04,881 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 20:58:04,881 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 20:58:04,881 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 20:58:04,921 INFO L276 IsEmpty]: Start isEmpty. Operand 1160 states. [2019-10-13 20:58:04,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2019-10-13 20:58:04,939 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:58:04,941 INFO L380 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:58:04,943 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:58:04,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:58:04,949 INFO L82 PathProgramCache]: Analyzing trace with hash -1180640238, now seen corresponding path program 1 times [2019-10-13 20:58:04,959 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:58:04,959 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775920202] [2019-10-13 20:58:04,960 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:58:04,960 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:58:04,960 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:58:05,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:58:06,144 INFO L134 CoverageAnalysis]: Checked inductivity of 1304 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1304 trivial. 0 not checked. [2019-10-13 20:58:06,145 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775920202] [2019-10-13 20:58:06,147 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:58:06,148 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:58:06,148 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535258529] [2019-10-13 20:58:06,162 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:58:06,164 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:58:06,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:58:06,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:58:06,188 INFO L87 Difference]: Start difference. First operand 1160 states. Second operand 3 states. [2019-10-13 20:58:06,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:58:06,489 INFO L93 Difference]: Finished difference Result 2756 states and 3821 transitions. [2019-10-13 20:58:06,490 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:58:06,492 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 286 [2019-10-13 20:58:06,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:58:06,525 INFO L225 Difference]: With dead ends: 2756 [2019-10-13 20:58:06,525 INFO L226 Difference]: Without dead ends: 1799 [2019-10-13 20:58:06,538 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 [2019-10-13 20:58:06,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1799 states. [2019-10-13 20:58:06,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1799 to 1779. [2019-10-13 20:58:06,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1779 states. [2019-10-13 20:58:06,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1779 states to 1779 states and 2407 transitions. [2019-10-13 20:58:06,764 INFO L78 Accepts]: Start accepts. Automaton has 1779 states and 2407 transitions. Word has length 286 [2019-10-13 20:58:06,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:58:06,767 INFO L462 AbstractCegarLoop]: Abstraction has 1779 states and 2407 transitions. [2019-10-13 20:58:06,768 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:58:06,768 INFO L276 IsEmpty]: Start isEmpty. Operand 1779 states and 2407 transitions. [2019-10-13 20:58:06,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2019-10-13 20:58:06,784 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:58:06,784 INFO L380 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:58:06,784 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:58:06,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:58:06,785 INFO L82 PathProgramCache]: Analyzing trace with hash 961261964, now seen corresponding path program 1 times [2019-10-13 20:58:06,787 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:58:06,787 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939989153] [2019-10-13 20:58:06,787 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:58:06,788 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:58:06,788 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:58:06,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:58:07,287 INFO L134 CoverageAnalysis]: Checked inductivity of 1304 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1304 trivial. 0 not checked. [2019-10-13 20:58:07,287 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939989153] [2019-10-13 20:58:07,288 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:58:07,288 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:58:07,288 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412581944] [2019-10-13 20:58:07,290 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:58:07,290 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:58:07,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:58:07,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:58:07,291 INFO L87 Difference]: Start difference. First operand 1779 states and 2407 transitions. Second operand 3 states. [2019-10-13 20:58:07,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:58:07,448 INFO L93 Difference]: Finished difference Result 5087 states and 6879 transitions. [2019-10-13 20:58:07,448 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:58:07,448 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 288 [2019-10-13 20:58:07,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:58:07,469 INFO L225 Difference]: With dead ends: 5087 [2019-10-13 20:58:07,470 INFO L226 Difference]: Without dead ends: 3365 [2019-10-13 20:58:07,477 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 [2019-10-13 20:58:07,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3365 states. [2019-10-13 20:58:07,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3365 to 3344. [2019-10-13 20:58:07,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3344 states. [2019-10-13 20:58:07,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3344 states to 3344 states and 4529 transitions. [2019-10-13 20:58:07,616 INFO L78 Accepts]: Start accepts. Automaton has 3344 states and 4529 transitions. Word has length 288 [2019-10-13 20:58:07,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:58:07,617 INFO L462 AbstractCegarLoop]: Abstraction has 3344 states and 4529 transitions. [2019-10-13 20:58:07,617 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:58:07,617 INFO L276 IsEmpty]: Start isEmpty. Operand 3344 states and 4529 transitions. [2019-10-13 20:58:07,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2019-10-13 20:58:07,622 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:58:07,622 INFO L380 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:58:07,622 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:58:07,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:58:07,623 INFO L82 PathProgramCache]: Analyzing trace with hash 933694256, now seen corresponding path program 1 times [2019-10-13 20:58:07,623 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:58:07,623 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622555657] [2019-10-13 20:58:07,624 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:58:07,624 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:58:07,624 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:58:07,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:58:08,135 INFO L134 CoverageAnalysis]: Checked inductivity of 1304 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1304 trivial. 0 not checked. [2019-10-13 20:58:08,136 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622555657] [2019-10-13 20:58:08,136 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:58:08,136 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:58:08,137 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467832264] [2019-10-13 20:58:08,138 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:58:08,138 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:58:08,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:58:08,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:58:08,139 INFO L87 Difference]: Start difference. First operand 3344 states and 4529 transitions. Second operand 3 states. [2019-10-13 20:58:08,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:58:08,623 INFO L93 Difference]: Finished difference Result 9767 states and 13248 transitions. [2019-10-13 20:58:08,624 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:58:08,624 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 288 [2019-10-13 20:58:08,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:58:08,677 INFO L225 Difference]: With dead ends: 9767 [2019-10-13 20:58:08,677 INFO L226 Difference]: Without dead ends: 6480 [2019-10-13 20:58:08,690 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 [2019-10-13 20:58:08,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6480 states. [2019-10-13 20:58:08,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6480 to 6476. [2019-10-13 20:58:08,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6476 states. [2019-10-13 20:58:08,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6476 states to 6476 states and 8785 transitions. [2019-10-13 20:58:08,991 INFO L78 Accepts]: Start accepts. Automaton has 6476 states and 8785 transitions. Word has length 288 [2019-10-13 20:58:08,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:58:08,993 INFO L462 AbstractCegarLoop]: Abstraction has 6476 states and 8785 transitions. [2019-10-13 20:58:08,993 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:58:08,993 INFO L276 IsEmpty]: Start isEmpty. Operand 6476 states and 8785 transitions. [2019-10-13 20:58:09,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2019-10-13 20:58:09,003 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:58:09,004 INFO L380 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:58:09,004 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:58:09,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:58:09,005 INFO L82 PathProgramCache]: Analyzing trace with hash 2102470740, now seen corresponding path program 1 times [2019-10-13 20:58:09,006 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:58:09,006 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787428201] [2019-10-13 20:58:09,006 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:58:09,006 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:58:09,006 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:58:09,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:58:09,508 INFO L134 CoverageAnalysis]: Checked inductivity of 1304 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1304 trivial. 0 not checked. [2019-10-13 20:58:09,509 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787428201] [2019-10-13 20:58:09,509 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:58:09,509 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:58:09,511 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304970232] [2019-10-13 20:58:09,512 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:58:09,514 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:58:09,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:58:09,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:58:09,515 INFO L87 Difference]: Start difference. First operand 6476 states and 8785 transitions. Second operand 3 states. [2019-10-13 20:58:09,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:58:09,718 INFO L93 Difference]: Finished difference Result 6478 states and 8786 transitions. [2019-10-13 20:58:09,718 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:58:09,718 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 292 [2019-10-13 20:58:09,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:58:09,774 INFO L225 Difference]: With dead ends: 6478 [2019-10-13 20:58:09,774 INFO L226 Difference]: Without dead ends: 6475 [2019-10-13 20:58:09,781 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 [2019-10-13 20:58:09,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6475 states. [2019-10-13 20:58:10,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6475 to 6475. [2019-10-13 20:58:10,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6475 states. [2019-10-13 20:58:10,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6475 states to 6475 states and 8783 transitions. [2019-10-13 20:58:10,126 INFO L78 Accepts]: Start accepts. Automaton has 6475 states and 8783 transitions. Word has length 292 [2019-10-13 20:58:10,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:58:10,127 INFO L462 AbstractCegarLoop]: Abstraction has 6475 states and 8783 transitions. [2019-10-13 20:58:10,127 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:58:10,127 INFO L276 IsEmpty]: Start isEmpty. Operand 6475 states and 8783 transitions. [2019-10-13 20:58:10,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2019-10-13 20:58:10,132 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:58:10,133 INFO L380 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:58:10,133 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:58:10,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:58:10,134 INFO L82 PathProgramCache]: Analyzing trace with hash 751572038, now seen corresponding path program 1 times [2019-10-13 20:58:10,134 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:58:10,134 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396446110] [2019-10-13 20:58:10,134 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:58:10,134 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:58:10,135 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:58:10,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:58:10,624 INFO L134 CoverageAnalysis]: Checked inductivity of 1304 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1304 trivial. 0 not checked. [2019-10-13 20:58:10,625 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396446110] [2019-10-13 20:58:10,625 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:58:10,626 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:58:10,630 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024216862] [2019-10-13 20:58:10,632 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:58:10,633 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:58:10,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:58:10,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:58:10,633 INFO L87 Difference]: Start difference. First operand 6475 states and 8783 transitions. Second operand 3 states. [2019-10-13 20:58:10,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:58:10,812 INFO L93 Difference]: Finished difference Result 6477 states and 8784 transitions. [2019-10-13 20:58:10,818 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:58:10,818 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 293 [2019-10-13 20:58:10,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:58:10,857 INFO L225 Difference]: With dead ends: 6477 [2019-10-13 20:58:10,858 INFO L226 Difference]: Without dead ends: 6474 [2019-10-13 20:58:10,863 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 [2019-10-13 20:58:10,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6474 states. [2019-10-13 20:58:11,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6474 to 6474. [2019-10-13 20:58:11,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6474 states. [2019-10-13 20:58:11,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6474 states to 6474 states and 8781 transitions. [2019-10-13 20:58:11,186 INFO L78 Accepts]: Start accepts. Automaton has 6474 states and 8781 transitions. Word has length 293 [2019-10-13 20:58:11,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:58:11,188 INFO L462 AbstractCegarLoop]: Abstraction has 6474 states and 8781 transitions. [2019-10-13 20:58:11,188 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:58:11,189 INFO L276 IsEmpty]: Start isEmpty. Operand 6474 states and 8781 transitions. [2019-10-13 20:58:11,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2019-10-13 20:58:11,194 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:58:11,194 INFO L380 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:58:11,194 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:58:11,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:58:11,195 INFO L82 PathProgramCache]: Analyzing trace with hash 1823390103, now seen corresponding path program 1 times [2019-10-13 20:58:11,195 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:58:11,195 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865358302] [2019-10-13 20:58:11,195 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:58:11,195 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:58:11,196 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:58:11,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:58:11,660 INFO L134 CoverageAnalysis]: Checked inductivity of 1304 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1304 trivial. 0 not checked. [2019-10-13 20:58:11,661 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865358302] [2019-10-13 20:58:11,661 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:58:11,662 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:58:11,662 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621705729] [2019-10-13 20:58:11,663 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:58:11,664 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:58:11,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:58:11,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:58:11,669 INFO L87 Difference]: Start difference. First operand 6474 states and 8781 transitions. Second operand 3 states. [2019-10-13 20:58:11,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:58:11,973 INFO L93 Difference]: Finished difference Result 14123 states and 19266 transitions. [2019-10-13 20:58:11,974 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:58:11,974 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 294 [2019-10-13 20:58:11,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:58:12,023 INFO L225 Difference]: With dead ends: 14123 [2019-10-13 20:58:12,023 INFO L226 Difference]: Without dead ends: 7694 [2019-10-13 20:58:12,048 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 [2019-10-13 20:58:12,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7694 states. [2019-10-13 20:58:12,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7694 to 7644. [2019-10-13 20:58:12,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7644 states. [2019-10-13 20:58:12,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7644 states to 7644 states and 10325 transitions. [2019-10-13 20:58:12,444 INFO L78 Accepts]: Start accepts. Automaton has 7644 states and 10325 transitions. Word has length 294 [2019-10-13 20:58:12,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:58:12,445 INFO L462 AbstractCegarLoop]: Abstraction has 7644 states and 10325 transitions. [2019-10-13 20:58:12,446 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:58:12,446 INFO L276 IsEmpty]: Start isEmpty. Operand 7644 states and 10325 transitions. [2019-10-13 20:58:12,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2019-10-13 20:58:12,460 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:58:12,460 INFO L380 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-13 20:58:12,461 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:58:12,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:58:12,461 INFO L82 PathProgramCache]: Analyzing trace with hash 686610922, now seen corresponding path program 1 times [2019-10-13 20:58:12,461 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:58:12,461 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717926011] [2019-10-13 20:58:12,462 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:58:12,462 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:58:12,462 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:58:12,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:58:13,021 INFO L134 CoverageAnalysis]: Checked inductivity of 1339 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1339 trivial. 0 not checked. [2019-10-13 20:58:13,022 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717926011] [2019-10-13 20:58:13,022 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:58:13,022 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:58:13,023 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784947347] [2019-10-13 20:58:13,023 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:58:13,023 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:58:13,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:58:13,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:58:13,024 INFO L87 Difference]: Start difference. First operand 7644 states and 10325 transitions. Second operand 3 states. [2019-10-13 20:58:13,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:58:13,622 INFO L93 Difference]: Finished difference Result 22629 states and 30502 transitions. [2019-10-13 20:58:13,623 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:58:13,623 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 406 [2019-10-13 20:58:13,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:58:13,698 INFO L225 Difference]: With dead ends: 22629 [2019-10-13 20:58:13,699 INFO L226 Difference]: Without dead ends: 15042 [2019-10-13 20:58:13,729 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 [2019-10-13 20:58:13,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15042 states. [2019-10-13 20:58:15,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15042 to 15028. [2019-10-13 20:58:15,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15028 states. [2019-10-13 20:58:15,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15028 states to 15028 states and 20237 transitions. [2019-10-13 20:58:15,151 INFO L78 Accepts]: Start accepts. Automaton has 15028 states and 20237 transitions. Word has length 406 [2019-10-13 20:58:15,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:58:15,152 INFO L462 AbstractCegarLoop]: Abstraction has 15028 states and 20237 transitions. [2019-10-13 20:58:15,152 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:58:15,152 INFO L276 IsEmpty]: Start isEmpty. Operand 15028 states and 20237 transitions. [2019-10-13 20:58:15,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2019-10-13 20:58:15,161 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:58:15,161 INFO L380 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-13 20:58:15,161 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:58:15,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:58:15,162 INFO L82 PathProgramCache]: Analyzing trace with hash -1289053985, now seen corresponding path program 1 times [2019-10-13 20:58:15,162 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:58:15,162 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089568291] [2019-10-13 20:58:15,162 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:58:15,163 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:58:15,163 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:58:15,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:58:15,539 INFO L134 CoverageAnalysis]: Checked inductivity of 1339 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1339 trivial. 0 not checked. [2019-10-13 20:58:15,540 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089568291] [2019-10-13 20:58:15,540 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:58:15,540 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:58:15,540 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438266439] [2019-10-13 20:58:15,541 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:58:15,541 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:58:15,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:58:15,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:58:15,542 INFO L87 Difference]: Start difference. First operand 15028 states and 20237 transitions. Second operand 3 states. [2019-10-13 20:58:16,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:58:16,549 INFO L93 Difference]: Finished difference Result 41676 states and 56003 transitions. [2019-10-13 20:58:16,550 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:58:16,550 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 408 [2019-10-13 20:58:16,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:58:16,657 INFO L225 Difference]: With dead ends: 41676 [2019-10-13 20:58:16,658 INFO L226 Difference]: Without dead ends: 26705 [2019-10-13 20:58:16,710 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 [2019-10-13 20:58:16,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26705 states. [2019-10-13 20:58:17,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26705 to 26692. [2019-10-13 20:58:17,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26692 states. [2019-10-13 20:58:17,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26692 states to 26692 states and 35819 transitions. [2019-10-13 20:58:17,681 INFO L78 Accepts]: Start accepts. Automaton has 26692 states and 35819 transitions. Word has length 408 [2019-10-13 20:58:17,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:58:17,682 INFO L462 AbstractCegarLoop]: Abstraction has 26692 states and 35819 transitions. [2019-10-13 20:58:17,682 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:58:17,682 INFO L276 IsEmpty]: Start isEmpty. Operand 26692 states and 35819 transitions. [2019-10-13 20:58:17,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 461 [2019-10-13 20:58:17,699 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:58:17,699 INFO L380 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 16, 16, 16, 16, 16, 16, 16, 16, 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] [2019-10-13 20:58:17,700 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:58:17,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:58:17,700 INFO L82 PathProgramCache]: Analyzing trace with hash -149705853, now seen corresponding path program 1 times [2019-10-13 20:58:17,701 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:58:17,701 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889931688] [2019-10-13 20:58:17,701 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:58:17,701 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:58:17,701 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:58:17,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:58:18,291 INFO L134 CoverageAnalysis]: Checked inductivity of 2307 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2307 trivial. 0 not checked. [2019-10-13 20:58:18,292 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889931688] [2019-10-13 20:58:18,292 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:58:18,293 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:58:18,293 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965632092] [2019-10-13 20:58:18,294 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:58:18,294 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:58:18,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:58:18,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:58:18,295 INFO L87 Difference]: Start difference. First operand 26692 states and 35819 transitions. Second operand 3 states. [2019-10-13 20:58:19,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:58:19,011 INFO L93 Difference]: Finished difference Result 30634 states and 40715 transitions. [2019-10-13 20:58:19,011 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:58:19,012 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 460 [2019-10-13 20:58:19,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:58:19,139 INFO L225 Difference]: With dead ends: 30634 [2019-10-13 20:58:19,140 INFO L226 Difference]: Without dead ends: 25758 [2019-10-13 20:58:19,165 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:58:19,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25758 states. [2019-10-13 20:58:20,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25758 to 25606. [2019-10-13 20:58:20,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25606 states. [2019-10-13 20:58:21,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25606 states to 25606 states and 34219 transitions. [2019-10-13 20:58:21,067 INFO L78 Accepts]: Start accepts. Automaton has 25606 states and 34219 transitions. Word has length 460 [2019-10-13 20:58:21,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:58:21,068 INFO L462 AbstractCegarLoop]: Abstraction has 25606 states and 34219 transitions. [2019-10-13 20:58:21,068 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:58:21,068 INFO L276 IsEmpty]: Start isEmpty. Operand 25606 states and 34219 transitions. [2019-10-13 20:58:21,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 564 [2019-10-13 20:58:21,159 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:58:21,159 INFO L380 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 16, 16, 16, 16, 16, 16, 16, 16, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-13 20:58:21,160 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:58:21,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:58:21,160 INFO L82 PathProgramCache]: Analyzing trace with hash 1963997821, now seen corresponding path program 1 times [2019-10-13 20:58:21,160 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:58:21,160 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335613658] [2019-10-13 20:58:21,161 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:58:21,161 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:58:21,161 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:58:21,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:58:21,649 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2346 trivial. 0 not checked. [2019-10-13 20:58:21,650 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335613658] [2019-10-13 20:58:21,650 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:58:21,650 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:58:21,651 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508648372] [2019-10-13 20:58:21,652 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:58:21,652 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:58:21,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:58:21,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:58:21,653 INFO L87 Difference]: Start difference. First operand 25606 states and 34219 transitions. Second operand 3 states. [2019-10-13 20:58:22,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:58:22,393 INFO L93 Difference]: Finished difference Result 51179 states and 68437 transitions. [2019-10-13 20:58:22,394 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:58:22,394 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 563 [2019-10-13 20:58:22,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:58:22,499 INFO L225 Difference]: With dead ends: 51179 [2019-10-13 20:58:22,499 INFO L226 Difference]: Without dead ends: 25630 [2019-10-13 20:58:22,557 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 [2019-10-13 20:58:22,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25630 states. [2019-10-13 20:58:23,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25630 to 25630. [2019-10-13 20:58:23,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25630 states. [2019-10-13 20:58:23,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25630 states to 25630 states and 34243 transitions. [2019-10-13 20:58:23,352 INFO L78 Accepts]: Start accepts. Automaton has 25630 states and 34243 transitions. Word has length 563 [2019-10-13 20:58:23,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:58:23,354 INFO L462 AbstractCegarLoop]: Abstraction has 25630 states and 34243 transitions. [2019-10-13 20:58:23,354 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:58:23,354 INFO L276 IsEmpty]: Start isEmpty. Operand 25630 states and 34243 transitions. [2019-10-13 20:58:23,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 564 [2019-10-13 20:58:23,431 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:58:23,431 INFO L380 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 16, 16, 16, 16, 16, 16, 16, 16, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-13 20:58:23,432 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:58:23,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:58:23,432 INFO L82 PathProgramCache]: Analyzing trace with hash 1529492223, now seen corresponding path program 1 times [2019-10-13 20:58:23,432 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:58:23,433 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23885754] [2019-10-13 20:58:23,433 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:58:23,433 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:58:23,433 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:58:23,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:58:24,503 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 2325 trivial. 0 not checked. [2019-10-13 20:58:24,504 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23885754] [2019-10-13 20:58:24,504 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [305949358] [2019-10-13 20:58:24,504 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 [2019-10-13 20:58:25,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:58:25,627 INFO L256 TraceCheckSpWp]: Trace formula consists of 4515 conjuncts, 52 conjunts are in the unsatisfiable core [2019-10-13 20:58:25,658 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 20:58:25,980 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 2319 trivial. 0 not checked. [2019-10-13 20:58:25,980 INFO L321 TraceCheckSpWp]: Computing backward predicates...