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 0.1.24-13a467a-m [2019-10-15 00:56:56,701 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 00:56:56,703 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 00:56:56,715 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 00:56:56,716 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 00:56:56,717 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 00:56:56,720 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 00:56:56,722 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 00:56:56,730 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 00:56:56,731 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 00:56:56,734 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 00:56:56,735 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 00:56:56,736 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 00:56:56,737 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 00:56:56,738 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 00:56:56,738 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 00:56:56,739 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 00:56:56,740 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 00:56:56,742 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 00:56:56,744 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 00:56:56,745 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 00:56:56,746 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 00:56:56,747 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 00:56:56,748 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 00:56:56,750 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 00:56:56,750 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 00:56:56,751 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 00:56:56,752 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 00:56:56,752 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 00:56:56,756 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 00:56:56,756 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 00:56:56,757 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 00:56:56,758 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 00:56:56,760 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 00:56:56,761 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 00:56:56,762 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 00:56:56,762 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 00:56:56,763 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 00:56:56,763 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 00:56:56,767 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 00:56:56,767 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 00:56:56,771 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 00:56:56,798 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 00:56:56,798 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 00:56:56,800 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 00:56:56,800 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 00:56:56,800 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 00:56:56,801 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 00:56:56,801 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 00:56:56,801 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 00:56:56,801 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 00:56:56,802 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 00:56:56,803 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 00:56:56,803 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 00:56:56,803 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 00:56:56,804 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 00:56:56,804 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 00:56:56,804 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 00:56:56,804 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 00:56:56,805 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 00:56:56,805 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 00:56:56,805 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 00:56:56,806 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 00:56:56,806 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 00:56:56,806 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 00:56:56,806 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 00:56:56,807 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 00:56:56,807 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 00:56:56,807 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 00:56:56,807 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 00:56:56,807 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-15 00:56:57,133 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 00:56:57,147 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 00:56:57,151 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 00:56:57,152 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 00:56:57,152 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 00:56:57,153 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia_rsrc.ko-entry_point.cil.out.i [2019-10-15 00:56:57,229 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93d09b1cd/d84c89ff07074e29995c2617128bf6f3/FLAG9790652c9 [2019-10-15 00:56:57,943 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 00:56:57,946 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia_rsrc.ko-entry_point.cil.out.i [2019-10-15 00:56:57,981 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93d09b1cd/d84c89ff07074e29995c2617128bf6f3/FLAG9790652c9 [2019-10-15 00:56:58,045 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93d09b1cd/d84c89ff07074e29995c2617128bf6f3 [2019-10-15 00:56:58,056 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 00:56:58,058 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 00:56:58,059 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 00:56:58,059 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 00:56:58,062 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 00:56:58,063 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:56:58" (1/1) ... [2019-10-15 00:56:58,066 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dc6be10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:56:58, skipping insertion in model container [2019-10-15 00:56:58,067 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:56:58" (1/1) ... [2019-10-15 00:56:58,076 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 00:56:58,204 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 00:56:59,832 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 00:56:59,875 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 00:57:00,246 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 00:57:00,483 INFO L192 MainTranslator]: Completed translation [2019-10-15 00:57:00,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:57:00 WrapperNode [2019-10-15 00:57:00,484 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 00:57:00,485 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 00:57:00,486 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 00:57:00,486 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 00:57:00,502 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:57:00" (1/1) ... [2019-10-15 00:57:00,502 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:57:00" (1/1) ... [2019-10-15 00:57:00,593 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:57:00" (1/1) ... [2019-10-15 00:57:00,594 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:57:00" (1/1) ... [2019-10-15 00:57:00,734 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:57:00" (1/1) ... [2019-10-15 00:57:00,754 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:57:00" (1/1) ... [2019-10-15 00:57:00,773 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:57:00" (1/1) ... [2019-10-15 00:57:00,812 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 00:57:00,813 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 00:57:00,813 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 00:57:00,813 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 00:57:00,816 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:57:00" (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 [2019-10-15 00:57:00,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 00:57:00,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 00:57:00,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-15 00:57:00,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2019-10-15 00:57:00,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-15 00:57:00,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-15 00:57:00,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-15 00:57:00,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-15 00:57:00,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-15 00:57:00,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-15 00:57:00,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-15 00:57:00,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-15 00:57:00,899 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-15 00:57:00,900 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-15 00:57:00,900 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-15 00:57:00,900 INFO L138 BoogieDeclarations]: Found implementation of procedure static_init [2019-10-15 00:57:00,903 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_make_resource [2019-10-15 00:57:00,903 INFO L138 BoogieDeclarations]: Found implementation of procedure static_find_io [2019-10-15 00:57:00,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_pccard_resource_ops_7 [2019-10-15 00:57:00,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_pccard_resource_ops_6 [2019-10-15 00:57:00,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_6 [2019-10-15 00:57:00,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_7 [2019-10-15 00:57:00,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_5 [2019-10-15 00:57:00,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_6 [2019-10-15 00:57:00,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_7 [2019-10-15 00:57:00,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_8 [2019-10-15 00:57:00,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2019-10-15 00:57:00,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-15 00:57:00,906 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2019-10-15 00:57:00,907 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2019-10-15 00:57:00,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2019-10-15 00:57:00,907 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-10-15 00:57:00,907 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-10-15 00:57:00,907 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-15 00:57:00,907 INFO L138 BoogieDeclarations]: Found implementation of procedure claim_region [2019-10-15 00:57:00,908 INFO L138 BoogieDeclarations]: Found implementation of procedure free_region [2019-10-15 00:57:00,908 INFO L138 BoogieDeclarations]: Found implementation of procedure add_interval [2019-10-15 00:57:00,908 INFO L138 BoogieDeclarations]: Found implementation of procedure sub_interval [2019-10-15 00:57:00,908 INFO L138 BoogieDeclarations]: Found implementation of procedure readable [2019-10-15 00:57:00,908 INFO L138 BoogieDeclarations]: Found implementation of procedure checksum [2019-10-15 00:57:00,909 INFO L138 BoogieDeclarations]: Found implementation of procedure do_validate_mem [2019-10-15 00:57:00,909 INFO L138 BoogieDeclarations]: Found implementation of procedure do_mem_probe [2019-10-15 00:57:00,909 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_mem [2019-10-15 00:57:00,909 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_nonstatic_validate_mem [2019-10-15 00:57:00,909 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_common_align [2019-10-15 00:57:00,909 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_align [2019-10-15 00:57:00,909 INFO L138 BoogieDeclarations]: Found implementation of procedure __nonstatic_adjust_io_region [2019-10-15 00:57:00,910 INFO L138 BoogieDeclarations]: Found implementation of procedure __nonstatic_find_io_region [2019-10-15 00:57:00,910 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_find_io [2019-10-15 00:57:00,910 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_find_mem_region [2019-10-15 00:57:00,910 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_memory [2019-10-15 00:57:00,910 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_io [2019-10-15 00:57:00,910 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_autoadd_resources [2019-10-15 00:57:00,911 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_init [2019-10-15 00:57:00,911 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_release_resource_db [2019-10-15 00:57:00,911 INFO L138 BoogieDeclarations]: Found implementation of procedure show_io_db [2019-10-15 00:57:00,911 INFO L138 BoogieDeclarations]: Found implementation of procedure store_io_db [2019-10-15 00:57:00,911 INFO L138 BoogieDeclarations]: Found implementation of procedure show_mem_db [2019-10-15 00:57:00,911 INFO L138 BoogieDeclarations]: Found implementation of procedure store_mem_db [2019-10-15 00:57:00,911 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_sysfs_add_rsrc [2019-10-15 00:57:00,912 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_sysfs_remove_rsrc [2019-10-15 00:57:00,912 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_sysfs_init [2019-10-15 00:57:00,913 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_sysfs_exit [2019-10-15 00:57:00,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_pccard_resource_ops_4 [2019-10-15 00:57:00,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_device_attribute_2 [2019-10-15 00:57:00,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_pccard_resource_ops_5 [2019-10-15 00:57:00,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_device_attribute_3 [2019-10-15 00:57:00,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_class_interface_1 [2019-10-15 00:57:00,914 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 00:57:00,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_19 [2019-10-15 00:57:00,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_20 [2019-10-15 00:57:00,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_21 [2019-10-15 00:57:00,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_22 [2019-10-15 00:57:00,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_23 [2019-10-15 00:57:00,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_24 [2019-10-15 00:57:00,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_25 [2019-10-15 00:57:00,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_26 [2019-10-15 00:57:00,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_27 [2019-10-15 00:57:00,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_28 [2019-10-15 00:57:00,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_29 [2019-10-15 00:57:00,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_30 [2019-10-15 00:57:00,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_31 [2019-10-15 00:57:00,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_32 [2019-10-15 00:57:00,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_33 [2019-10-15 00:57:00,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-15 00:57:00,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2019-10-15 00:57:00,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-15 00:57:00,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-15 00:57:00,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-15 00:57:00,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-15 00:57:00,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-10-15 00:57:00,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-10-15 00:57:00,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-10-15 00:57:00,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-10-15 00:57:00,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-15 00:57:00,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-10-15 00:57:00,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-10-15 00:57:00,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_lock [2019-10-15 00:57:00,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_lock [2019-10-15 00:57:00,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_lock [2019-10-15 00:57:00,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_lock [2019-10-15 00:57:00,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-15 00:57:00,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-15 00:57:00,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-10-15 00:57:00,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-10-15 00:57:00,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-15 00:57:00,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-15 00:57:00,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-10-15 00:57:00,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_mutex_of_device [2019-10-15 00:57:00,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_mutex_of_device [2019-10-15 00:57:00,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-10-15 00:57:00,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_mutex_of_device [2019-10-15 00:57:00,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_ops_mutex_of_pcmcia_socket [2019-10-15 00:57:00,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_ops_mutex_of_pcmcia_socket [2019-10-15 00:57:00,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_ops_mutex_of_pcmcia_socket [2019-10-15 00:57:00,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_ops_mutex_of_pcmcia_socket [2019-10-15 00:57:00,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_ops_mutex_of_pcmcia_socket [2019-10-15 00:57:00,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_ops_mutex_of_pcmcia_socket [2019-10-15 00:57:00,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_ops_mutex_of_pcmcia_socket [2019-10-15 00:57:00,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_ops_mutex_of_pcmcia_socket [2019-10-15 00:57:00,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_ops_mutex_of_pcmcia_socket [2019-10-15 00:57:00,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_ops_mutex_of_pcmcia_socket [2019-10-15 00:57:00,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_ops_mutex_of_pcmcia_socket [2019-10-15 00:57:00,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-15 00:57:00,924 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2019-10-15 00:57:00,924 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-10-15 00:57:00,924 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_resource [2019-10-15 00:57:00,924 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_resource [2019-10-15 00:57:00,924 INFO L138 BoogieDeclarations]: Found implementation of procedure class_interface_register [2019-10-15 00:57:00,924 INFO L138 BoogieDeclarations]: Found implementation of procedure class_interface_unregister [2019-10-15 00:57:00,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2019-10-15 00:57:00,925 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2019-10-15 00:57:00,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-15 00:57:00,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_6 [2019-10-15 00:57:00,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_7 [2019-10-15 00:57:00,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_setup_6 [2019-10-15 00:57:00,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_setup_7 [2019-10-15 00:57:00,926 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-10-15 00:57:00,926 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-10-15 00:57:00,926 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-15 00:57:00,926 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_alloc_resource [2019-10-15 00:57:00,926 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_find_parent_resource [2019-10-15 00:57:00,927 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-15 00:57:00,927 INFO L138 BoogieDeclarations]: Found implementation of procedure release_resource [2019-10-15 00:57:00,932 INFO L138 BoogieDeclarations]: Found implementation of procedure request_resource [2019-10-15 00:57:00,932 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2019-10-15 00:57:00,932 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2019-10-15 00:57:00,932 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-15 00:57:00,932 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-15 00:57:00,933 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-15 00:57:00,933 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-15 00:57:00,933 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 00:57:00,933 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-15 00:57:00,933 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-10-15 00:57:00,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_8 [2019-10-15 00:57:00,934 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-15 00:57:00,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_6 [2019-10-15 00:57:00,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2019-10-15 00:57:00,934 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 00:57:00,934 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-15 00:57:00,934 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 00:57:00,935 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-15 00:57:00,935 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-15 00:57:00,935 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-15 00:57:00,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-15 00:57:00,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 00:57:00,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-15 00:57:00,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-15 00:57:00,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-15 00:57:00,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-15 00:57:00,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-15 00:57:00,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-15 00:57:00,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-15 00:57:00,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-15 00:57:00,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-15 00:57:00,936 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-10-15 00:57:00,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_5 [2019-10-15 00:57:00,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_7 [2019-10-15 00:57:00,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-10-15 00:57:00,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-10-15 00:57:00,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-10-15 00:57:00,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-10-15 00:57:00,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-10-15 00:57:00,937 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-15 00:57:00,938 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-15 00:57:00,938 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-15 00:57:00,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_pccard_resource_ops_7 [2019-10-15 00:57:00,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_pccard_resource_ops_6 [2019-10-15 00:57:00,938 INFO L130 BoogieDeclarations]: Found specification of procedure static_init [2019-10-15 00:57:00,938 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_make_resource [2019-10-15 00:57:00,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 00:57:00,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 00:57:00,939 INFO L130 BoogieDeclarations]: Found specification of procedure static_find_io [2019-10-15 00:57:00,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 00:57:00,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_6 [2019-10-15 00:57:00,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_setup_6 [2019-10-15 00:57:00,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_7 [2019-10-15 00:57:00,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_setup_7 [2019-10-15 00:57:00,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_6 [2019-10-15 00:57:00,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 00:57:00,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 00:57:00,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_7 [2019-10-15 00:57:00,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-15 00:57:00,940 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-15 00:57:00,941 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2019-10-15 00:57:00,941 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-10-15 00:57:00,941 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2019-10-15 00:57:00,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_22 [2019-10-15 00:57:00,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_20 [2019-10-15 00:57:00,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_23 [2019-10-15 00:57:00,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_24 [2019-10-15 00:57:00,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_27 [2019-10-15 00:57:00,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_29 [2019-10-15 00:57:00,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_31 [2019-10-15 00:57:00,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_33 [2019-10-15 00:57:00,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_19 [2019-10-15 00:57:00,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_21 [2019-10-15 00:57:00,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_25 [2019-10-15 00:57:00,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_26 [2019-10-15 00:57:00,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_28 [2019-10-15 00:57:00,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_30 [2019-10-15 00:57:00,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_32 [2019-10-15 00:57:00,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_ops_mutex_of_pcmcia_socket [2019-10-15 00:57:00,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_ops_mutex_of_pcmcia_socket [2019-10-15 00:57:00,943 INFO L130 BoogieDeclarations]: Found specification of procedure request_resource [2019-10-15 00:57:00,943 INFO L130 BoogieDeclarations]: Found specification of procedure release_resource [2019-10-15 00:57:00,943 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_resource [2019-10-15 00:57:00,943 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_resource [2019-10-15 00:57:00,944 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2019-10-15 00:57:00,944 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2019-10-15 00:57:00,944 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2019-10-15 00:57:00,944 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2019-10-15 00:57:00,944 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2019-10-15 00:57:00,944 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-15 00:57:00,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_pccard_resource_ops_4 [2019-10-15 00:57:00,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_device_attribute_2 [2019-10-15 00:57:00,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_pccard_resource_ops_5 [2019-10-15 00:57:00,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_device_attribute_3 [2019-10-15 00:57:00,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_class_interface_1 [2019-10-15 00:57:00,945 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2019-10-15 00:57:00,945 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2019-10-15 00:57:00,945 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-10-15 00:57:00,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 00:57:00,945 INFO L130 BoogieDeclarations]: Found specification of procedure class_interface_register [2019-10-15 00:57:00,946 INFO L130 BoogieDeclarations]: Found specification of procedure class_interface_unregister [2019-10-15 00:57:00,946 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-10-15 00:57:00,946 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-15 00:57:00,946 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-10-15 00:57:00,946 INFO L130 BoogieDeclarations]: Found specification of procedure pci_find_parent_resource [2019-10-15 00:57:00,946 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_alloc_resource [2019-10-15 00:57:00,946 INFO L130 BoogieDeclarations]: Found specification of procedure claim_region [2019-10-15 00:57:00,946 INFO L130 BoogieDeclarations]: Found specification of procedure free_region [2019-10-15 00:57:00,946 INFO L130 BoogieDeclarations]: Found specification of procedure add_interval [2019-10-15 00:57:00,947 INFO L130 BoogieDeclarations]: Found specification of procedure sub_interval [2019-10-15 00:57:00,947 INFO L130 BoogieDeclarations]: Found specification of procedure readable [2019-10-15 00:57:00,947 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-15 00:57:00,947 INFO L130 BoogieDeclarations]: Found specification of procedure checksum [2019-10-15 00:57:00,947 INFO L130 BoogieDeclarations]: Found specification of procedure do_validate_mem [2019-10-15 00:57:00,947 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2019-10-15 00:57:00,947 INFO L130 BoogieDeclarations]: Found specification of procedure do_mem_probe [2019-10-15 00:57:00,947 INFO L130 BoogieDeclarations]: Found specification of procedure validate_mem [2019-10-15 00:57:00,948 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_nonstatic_validate_mem [2019-10-15 00:57:00,948 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_common_align [2019-10-15 00:57:00,948 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_align [2019-10-15 00:57:00,948 INFO L130 BoogieDeclarations]: Found specification of procedure __nonstatic_adjust_io_region [2019-10-15 00:57:00,951 INFO L130 BoogieDeclarations]: Found specification of procedure __nonstatic_find_io_region [2019-10-15 00:57:00,952 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_find_io [2019-10-15 00:57:00,952 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_find_mem_region [2019-10-15 00:57:00,952 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_memory [2019-10-15 00:57:00,953 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_io [2019-10-15 00:57:00,953 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_autoadd_resources [2019-10-15 00:57:00,954 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_init [2019-10-15 00:57:00,961 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_release_resource_db [2019-10-15 00:57:00,961 INFO L130 BoogieDeclarations]: Found specification of procedure show_io_db [2019-10-15 00:57:00,961 INFO L130 BoogieDeclarations]: Found specification of procedure store_io_db [2019-10-15 00:57:00,961 INFO L130 BoogieDeclarations]: Found specification of procedure show_mem_db [2019-10-15 00:57:00,961 INFO L130 BoogieDeclarations]: Found specification of procedure store_mem_db [2019-10-15 00:57:00,962 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_sysfs_add_rsrc [2019-10-15 00:57:00,962 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_sysfs_remove_rsrc [2019-10-15 00:57:00,962 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_sysfs_init [2019-10-15 00:57:00,962 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_sysfs_exit [2019-10-15 00:57:00,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-15 00:57:00,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-15 00:57:00,962 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 00:57:00,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-15 00:57:00,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2019-10-15 00:57:00,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-15 00:57:00,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-15 00:57:00,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-15 00:57:00,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-15 00:57:00,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-10-15 00:57:00,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-10-15 00:57:00,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-10-15 00:57:00,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-15 00:57:00,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-10-15 00:57:00,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_lock [2019-10-15 00:57:00,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_lock [2019-10-15 00:57:00,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_lock [2019-10-15 00:57:00,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_lock [2019-10-15 00:57:00,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-15 00:57:00,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-15 00:57:00,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-15 00:57:00,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-15 00:57:00,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_mutex_of_device [2019-10-15 00:57:00,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_mutex_of_device [2019-10-15 00:57:00,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-10-15 00:57:00,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_mutex_of_device [2019-10-15 00:57:00,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_ops_mutex_of_pcmcia_socket [2019-10-15 00:57:00,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_ops_mutex_of_pcmcia_socket [2019-10-15 00:57:00,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_ops_mutex_of_pcmcia_socket [2019-10-15 00:57:00,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_ops_mutex_of_pcmcia_socket [2019-10-15 00:57:00,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_ops_mutex_of_pcmcia_socket [2019-10-15 00:57:00,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_ops_mutex_of_pcmcia_socket [2019-10-15 00:57:00,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_ops_mutex_of_pcmcia_socket [2019-10-15 00:57:00,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_ops_mutex_of_pcmcia_socket [2019-10-15 00:57:00,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_ops_mutex_of_pcmcia_socket [2019-10-15 00:57:00,966 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-15 00:57:00,967 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 00:57:00,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 00:57:00,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-15 00:57:00,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 00:57:00,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 00:57:01,828 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-15 00:57:04,853 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 00:57:04,854 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-15 00:57:04,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:57:04 BoogieIcfgContainer [2019-10-15 00:57:04,856 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 00:57:04,858 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 00:57:04,858 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 00:57:04,861 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 00:57:04,862 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 12:56:58" (1/3) ... [2019-10-15 00:57:04,863 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@388993bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 12:57:04, skipping insertion in model container [2019-10-15 00:57:04,863 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:57:00" (2/3) ... [2019-10-15 00:57:04,863 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@388993bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 12:57:04, skipping insertion in model container [2019-10-15 00:57:04,863 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:57:04" (3/3) ... [2019-10-15 00:57:04,866 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia_rsrc.ko-entry_point.cil.out.i [2019-10-15 00:57:04,877 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 00:57:04,891 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 00:57:04,904 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 00:57:04,948 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 00:57:04,949 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 00:57:04,949 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 00:57:04,949 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 00:57:04,949 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 00:57:04,949 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 00:57:04,949 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 00:57:04,949 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 00:57:05,001 INFO L276 IsEmpty]: Start isEmpty. Operand 1160 states. [2019-10-15 00:57:05,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2019-10-15 00:57:05,036 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:57:05,040 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] [2019-10-15 00:57:05,043 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:57:05,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:57:05,051 INFO L82 PathProgramCache]: Analyzing trace with hash -1180640238, now seen corresponding path program 1 times [2019-10-15 00:57:05,063 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:57:05,063 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124235308] [2019-10-15 00:57:05,064 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:57:05,064 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:57:05,064 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:57:05,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:57:06,156 INFO L134 CoverageAnalysis]: Checked inductivity of 1304 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1304 trivial. 0 not checked. [2019-10-15 00:57:06,157 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124235308] [2019-10-15 00:57:06,158 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:57:06,159 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:57:06,159 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845998335] [2019-10-15 00:57:06,165 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:57:06,167 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:57:06,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:57:06,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:57:06,185 INFO L87 Difference]: Start difference. First operand 1160 states. Second operand 3 states. [2019-10-15 00:57:06,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:57:06,450 INFO L93 Difference]: Finished difference Result 2756 states and 3821 transitions. [2019-10-15 00:57:06,451 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:57:06,452 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 286 [2019-10-15 00:57:06,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:57:06,483 INFO L225 Difference]: With dead ends: 2756 [2019-10-15 00:57:06,483 INFO L226 Difference]: Without dead ends: 1799 [2019-10-15 00:57:06,495 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:57:06,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1799 states. [2019-10-15 00:57:06,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1799 to 1779. [2019-10-15 00:57:06,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1779 states. [2019-10-15 00:57:06,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1779 states to 1779 states and 2407 transitions. [2019-10-15 00:57:06,723 INFO L78 Accepts]: Start accepts. Automaton has 1779 states and 2407 transitions. Word has length 286 [2019-10-15 00:57:06,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:57:06,726 INFO L462 AbstractCegarLoop]: Abstraction has 1779 states and 2407 transitions. [2019-10-15 00:57:06,727 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:57:06,727 INFO L276 IsEmpty]: Start isEmpty. Operand 1779 states and 2407 transitions. [2019-10-15 00:57:06,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2019-10-15 00:57:06,736 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:57:06,737 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] [2019-10-15 00:57:06,737 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:57:06,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:57:06,741 INFO L82 PathProgramCache]: Analyzing trace with hash 961261964, now seen corresponding path program 1 times [2019-10-15 00:57:06,741 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:57:06,743 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438387144] [2019-10-15 00:57:06,743 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:57:06,743 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:57:06,743 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:57:06,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:57:07,228 INFO L134 CoverageAnalysis]: Checked inductivity of 1304 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1304 trivial. 0 not checked. [2019-10-15 00:57:07,229 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438387144] [2019-10-15 00:57:07,229 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:57:07,230 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:57:07,230 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740866205] [2019-10-15 00:57:07,233 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:57:07,234 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:57:07,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:57:07,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:57:07,234 INFO L87 Difference]: Start difference. First operand 1779 states and 2407 transitions. Second operand 3 states. [2019-10-15 00:57:07,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:57:07,432 INFO L93 Difference]: Finished difference Result 5087 states and 6879 transitions. [2019-10-15 00:57:07,432 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:57:07,433 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 288 [2019-10-15 00:57:07,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:57:07,458 INFO L225 Difference]: With dead ends: 5087 [2019-10-15 00:57:07,458 INFO L226 Difference]: Without dead ends: 3365 [2019-10-15 00:57:07,469 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:57:07,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3365 states. [2019-10-15 00:57:07,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3365 to 3344. [2019-10-15 00:57:07,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3344 states. [2019-10-15 00:57:07,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3344 states to 3344 states and 4529 transitions. [2019-10-15 00:57:07,642 INFO L78 Accepts]: Start accepts. Automaton has 3344 states and 4529 transitions. Word has length 288 [2019-10-15 00:57:07,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:57:07,643 INFO L462 AbstractCegarLoop]: Abstraction has 3344 states and 4529 transitions. [2019-10-15 00:57:07,643 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:57:07,643 INFO L276 IsEmpty]: Start isEmpty. Operand 3344 states and 4529 transitions. [2019-10-15 00:57:07,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2019-10-15 00:57:07,648 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:57:07,649 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] [2019-10-15 00:57:07,649 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:57:07,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:57:07,650 INFO L82 PathProgramCache]: Analyzing trace with hash 933694256, now seen corresponding path program 1 times [2019-10-15 00:57:07,650 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:57:07,650 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433330149] [2019-10-15 00:57:07,650 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:57:07,651 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:57:07,651 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:57:07,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:57:07,946 INFO L134 CoverageAnalysis]: Checked inductivity of 1304 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1304 trivial. 0 not checked. [2019-10-15 00:57:07,947 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433330149] [2019-10-15 00:57:07,947 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:57:07,948 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:57:07,948 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590026371] [2019-10-15 00:57:07,949 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:57:07,949 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:57:07,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:57:07,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:57:07,950 INFO L87 Difference]: Start difference. First operand 3344 states and 4529 transitions. Second operand 3 states. [2019-10-15 00:57:08,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:57:08,405 INFO L93 Difference]: Finished difference Result 9767 states and 13248 transitions. [2019-10-15 00:57:08,405 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:57:08,405 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 288 [2019-10-15 00:57:08,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:57:08,450 INFO L225 Difference]: With dead ends: 9767 [2019-10-15 00:57:08,450 INFO L226 Difference]: Without dead ends: 6480 [2019-10-15 00:57:08,465 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:57:08,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6480 states. [2019-10-15 00:57:08,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6480 to 6476. [2019-10-15 00:57:08,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6476 states. [2019-10-15 00:57:08,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6476 states to 6476 states and 8785 transitions. [2019-10-15 00:57:08,754 INFO L78 Accepts]: Start accepts. Automaton has 6476 states and 8785 transitions. Word has length 288 [2019-10-15 00:57:08,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:57:08,755 INFO L462 AbstractCegarLoop]: Abstraction has 6476 states and 8785 transitions. [2019-10-15 00:57:08,755 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:57:08,756 INFO L276 IsEmpty]: Start isEmpty. Operand 6476 states and 8785 transitions. [2019-10-15 00:57:08,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2019-10-15 00:57:08,760 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:57:08,761 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] [2019-10-15 00:57:08,761 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:57:08,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:57:08,762 INFO L82 PathProgramCache]: Analyzing trace with hash 2102470740, now seen corresponding path program 1 times [2019-10-15 00:57:08,762 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:57:08,762 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160314811] [2019-10-15 00:57:08,762 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:57:08,763 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:57:08,763 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:57:08,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:57:09,200 INFO L134 CoverageAnalysis]: Checked inductivity of 1304 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1304 trivial. 0 not checked. [2019-10-15 00:57:09,201 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160314811] [2019-10-15 00:57:09,201 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:57:09,202 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:57:09,203 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666298745] [2019-10-15 00:57:09,205 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:57:09,207 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:57:09,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:57:09,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:57:09,208 INFO L87 Difference]: Start difference. First operand 6476 states and 8785 transitions. Second operand 3 states. [2019-10-15 00:57:09,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:57:09,349 INFO L93 Difference]: Finished difference Result 6478 states and 8786 transitions. [2019-10-15 00:57:09,349 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:57:09,350 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 292 [2019-10-15 00:57:09,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:57:09,390 INFO L225 Difference]: With dead ends: 6478 [2019-10-15 00:57:09,390 INFO L226 Difference]: Without dead ends: 6475 [2019-10-15 00:57:09,396 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:57:09,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6475 states. [2019-10-15 00:57:09,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6475 to 6475. [2019-10-15 00:57:09,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6475 states. [2019-10-15 00:57:09,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6475 states to 6475 states and 8783 transitions. [2019-10-15 00:57:09,671 INFO L78 Accepts]: Start accepts. Automaton has 6475 states and 8783 transitions. Word has length 292 [2019-10-15 00:57:09,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:57:09,672 INFO L462 AbstractCegarLoop]: Abstraction has 6475 states and 8783 transitions. [2019-10-15 00:57:09,672 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:57:09,672 INFO L276 IsEmpty]: Start isEmpty. Operand 6475 states and 8783 transitions. [2019-10-15 00:57:09,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2019-10-15 00:57:09,677 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:57:09,678 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] [2019-10-15 00:57:09,678 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:57:09,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:57:09,679 INFO L82 PathProgramCache]: Analyzing trace with hash 751572038, now seen corresponding path program 1 times [2019-10-15 00:57:09,679 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:57:09,679 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818308529] [2019-10-15 00:57:09,679 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:57:09,680 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:57:09,680 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:57:09,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:57:10,121 INFO L134 CoverageAnalysis]: Checked inductivity of 1304 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1304 trivial. 0 not checked. [2019-10-15 00:57:10,122 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818308529] [2019-10-15 00:57:10,122 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:57:10,122 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:57:10,122 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653883615] [2019-10-15 00:57:10,123 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:57:10,123 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:57:10,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:57:10,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:57:10,124 INFO L87 Difference]: Start difference. First operand 6475 states and 8783 transitions. Second operand 3 states. [2019-10-15 00:57:10,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:57:10,268 INFO L93 Difference]: Finished difference Result 6477 states and 8784 transitions. [2019-10-15 00:57:10,269 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:57:10,269 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 293 [2019-10-15 00:57:10,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:57:10,310 INFO L225 Difference]: With dead ends: 6477 [2019-10-15 00:57:10,310 INFO L226 Difference]: Without dead ends: 6474 [2019-10-15 00:57:10,315 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:57:10,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6474 states. [2019-10-15 00:57:10,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6474 to 6474. [2019-10-15 00:57:10,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6474 states. [2019-10-15 00:57:10,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6474 states to 6474 states and 8781 transitions. [2019-10-15 00:57:10,622 INFO L78 Accepts]: Start accepts. Automaton has 6474 states and 8781 transitions. Word has length 293 [2019-10-15 00:57:10,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:57:10,622 INFO L462 AbstractCegarLoop]: Abstraction has 6474 states and 8781 transitions. [2019-10-15 00:57:10,622 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:57:10,623 INFO L276 IsEmpty]: Start isEmpty. Operand 6474 states and 8781 transitions. [2019-10-15 00:57:10,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2019-10-15 00:57:10,628 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:57:10,628 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] [2019-10-15 00:57:10,629 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:57:10,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:57:10,629 INFO L82 PathProgramCache]: Analyzing trace with hash 1823390103, now seen corresponding path program 1 times [2019-10-15 00:57:10,630 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:57:10,630 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65094916] [2019-10-15 00:57:10,630 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:57:10,631 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:57:10,631 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:57:10,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:57:11,065 INFO L134 CoverageAnalysis]: Checked inductivity of 1304 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1304 trivial. 0 not checked. [2019-10-15 00:57:11,066 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65094916] [2019-10-15 00:57:11,066 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:57:11,066 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:57:11,067 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133826270] [2019-10-15 00:57:11,067 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:57:11,067 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:57:11,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:57:11,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:57:11,072 INFO L87 Difference]: Start difference. First operand 6474 states and 8781 transitions. Second operand 3 states. [2019-10-15 00:57:11,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:57:11,339 INFO L93 Difference]: Finished difference Result 14123 states and 19266 transitions. [2019-10-15 00:57:11,340 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:57:11,340 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 294 [2019-10-15 00:57:11,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:57:11,388 INFO L225 Difference]: With dead ends: 14123 [2019-10-15 00:57:11,388 INFO L226 Difference]: Without dead ends: 7694 [2019-10-15 00:57:11,416 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:57:11,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7694 states. [2019-10-15 00:57:11,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7694 to 7644. [2019-10-15 00:57:11,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7644 states. [2019-10-15 00:57:11,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7644 states to 7644 states and 10325 transitions. [2019-10-15 00:57:11,797 INFO L78 Accepts]: Start accepts. Automaton has 7644 states and 10325 transitions. Word has length 294 [2019-10-15 00:57:11,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:57:11,798 INFO L462 AbstractCegarLoop]: Abstraction has 7644 states and 10325 transitions. [2019-10-15 00:57:11,798 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:57:11,798 INFO L276 IsEmpty]: Start isEmpty. Operand 7644 states and 10325 transitions. [2019-10-15 00:57:11,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2019-10-15 00:57:11,812 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:57:11,813 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] [2019-10-15 00:57:11,813 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:57:11,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:57:11,814 INFO L82 PathProgramCache]: Analyzing trace with hash 686610922, now seen corresponding path program 1 times [2019-10-15 00:57:11,814 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:57:11,815 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003529091] [2019-10-15 00:57:11,815 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:57:11,815 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:57:11,816 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:57:11,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:57:12,348 INFO L134 CoverageAnalysis]: Checked inductivity of 1339 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1339 trivial. 0 not checked. [2019-10-15 00:57:12,348 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003529091] [2019-10-15 00:57:12,348 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:57:12,349 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:57:12,349 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871375394] [2019-10-15 00:57:12,349 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:57:12,350 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:57:12,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:57:12,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:57:12,350 INFO L87 Difference]: Start difference. First operand 7644 states and 10325 transitions. Second operand 3 states. [2019-10-15 00:57:12,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:57:12,965 INFO L93 Difference]: Finished difference Result 22629 states and 30502 transitions. [2019-10-15 00:57:12,966 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:57:12,966 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 406 [2019-10-15 00:57:12,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:57:13,060 INFO L225 Difference]: With dead ends: 22629 [2019-10-15 00:57:13,060 INFO L226 Difference]: Without dead ends: 15042 [2019-10-15 00:57:13,098 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:57:13,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15042 states. [2019-10-15 00:57:14,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15042 to 15028. [2019-10-15 00:57:14,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15028 states. [2019-10-15 00:57:14,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15028 states to 15028 states and 20237 transitions. [2019-10-15 00:57:14,621 INFO L78 Accepts]: Start accepts. Automaton has 15028 states and 20237 transitions. Word has length 406 [2019-10-15 00:57:14,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:57:14,622 INFO L462 AbstractCegarLoop]: Abstraction has 15028 states and 20237 transitions. [2019-10-15 00:57:14,622 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:57:14,622 INFO L276 IsEmpty]: Start isEmpty. Operand 15028 states and 20237 transitions. [2019-10-15 00:57:14,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2019-10-15 00:57:14,631 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:57:14,632 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] [2019-10-15 00:57:14,632 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:57:14,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:57:14,633 INFO L82 PathProgramCache]: Analyzing trace with hash -1289053985, now seen corresponding path program 1 times [2019-10-15 00:57:14,633 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:57:14,633 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253419502] [2019-10-15 00:57:14,633 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:57:14,633 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:57:14,634 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:57:14,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:57:15,066 INFO L134 CoverageAnalysis]: Checked inductivity of 1339 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1339 trivial. 0 not checked. [2019-10-15 00:57:15,066 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253419502] [2019-10-15 00:57:15,067 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:57:15,067 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:57:15,067 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576345572] [2019-10-15 00:57:15,068 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:57:15,069 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:57:15,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:57:15,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:57:15,070 INFO L87 Difference]: Start difference. First operand 15028 states and 20237 transitions. Second operand 3 states. [2019-10-15 00:57:15,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:57:15,891 INFO L93 Difference]: Finished difference Result 41676 states and 56003 transitions. [2019-10-15 00:57:15,892 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:57:15,892 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 408 [2019-10-15 00:57:15,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:57:16,077 INFO L225 Difference]: With dead ends: 41676 [2019-10-15 00:57:16,077 INFO L226 Difference]: Without dead ends: 26705 [2019-10-15 00:57:16,430 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:57:16,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26705 states. [2019-10-15 00:57:17,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26705 to 26692. [2019-10-15 00:57:17,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26692 states. [2019-10-15 00:57:17,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26692 states to 26692 states and 35819 transitions. [2019-10-15 00:57:17,426 INFO L78 Accepts]: Start accepts. Automaton has 26692 states and 35819 transitions. Word has length 408 [2019-10-15 00:57:17,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:57:17,427 INFO L462 AbstractCegarLoop]: Abstraction has 26692 states and 35819 transitions. [2019-10-15 00:57:17,427 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:57:17,427 INFO L276 IsEmpty]: Start isEmpty. Operand 26692 states and 35819 transitions. [2019-10-15 00:57:17,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 461 [2019-10-15 00:57:17,448 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:57:17,448 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] [2019-10-15 00:57:17,448 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:57:17,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:57:17,449 INFO L82 PathProgramCache]: Analyzing trace with hash -149705853, now seen corresponding path program 1 times [2019-10-15 00:57:17,449 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:57:17,449 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982358363] [2019-10-15 00:57:17,449 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:57:17,450 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:57:17,450 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:57:17,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:57:18,083 INFO L134 CoverageAnalysis]: Checked inductivity of 2307 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2307 trivial. 0 not checked. [2019-10-15 00:57:18,084 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982358363] [2019-10-15 00:57:18,084 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:57:18,085 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:57:18,085 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113653847] [2019-10-15 00:57:18,086 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:57:18,087 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:57:18,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:57:18,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:57:18,088 INFO L87 Difference]: Start difference. First operand 26692 states and 35819 transitions. Second operand 3 states. [2019-10-15 00:57:18,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:57:18,773 INFO L93 Difference]: Finished difference Result 30634 states and 40715 transitions. [2019-10-15 00:57:18,773 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:57:18,774 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 460 [2019-10-15 00:57:18,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:57:18,931 INFO L225 Difference]: With dead ends: 30634 [2019-10-15 00:57:18,931 INFO L226 Difference]: Without dead ends: 25758 [2019-10-15 00:57:18,957 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:57:18,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25758 states. [2019-10-15 00:57:20,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25758 to 25606. [2019-10-15 00:57:20,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25606 states. [2019-10-15 00:57:20,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25606 states to 25606 states and 34219 transitions. [2019-10-15 00:57:20,922 INFO L78 Accepts]: Start accepts. Automaton has 25606 states and 34219 transitions. Word has length 460 [2019-10-15 00:57:20,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:57:20,923 INFO L462 AbstractCegarLoop]: Abstraction has 25606 states and 34219 transitions. [2019-10-15 00:57:20,923 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:57:20,923 INFO L276 IsEmpty]: Start isEmpty. Operand 25606 states and 34219 transitions. [2019-10-15 00:57:21,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 565 [2019-10-15 00:57:21,024 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:57:21,025 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, 1] [2019-10-15 00:57:21,025 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:57:21,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:57:21,026 INFO L82 PathProgramCache]: Analyzing trace with hash -1346107867, now seen corresponding path program 1 times [2019-10-15 00:57:21,026 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:57:21,026 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989123481] [2019-10-15 00:57:21,026 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:57:21,027 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:57:21,027 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:57:21,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:57:21,563 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2346 trivial. 0 not checked. [2019-10-15 00:57:21,564 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989123481] [2019-10-15 00:57:21,564 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:57:21,564 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:57:21,565 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151860399] [2019-10-15 00:57:21,566 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:57:21,566 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:57:21,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:57:21,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:57:21,567 INFO L87 Difference]: Start difference. First operand 25606 states and 34219 transitions. Second operand 3 states. [2019-10-15 00:57:22,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:57:22,522 INFO L93 Difference]: Finished difference Result 51179 states and 68437 transitions. [2019-10-15 00:57:22,522 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:57:22,523 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 564 [2019-10-15 00:57:22,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:57:22,635 INFO L225 Difference]: With dead ends: 51179 [2019-10-15 00:57:22,636 INFO L226 Difference]: Without dead ends: 25630 [2019-10-15 00:57:22,687 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:57:22,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25630 states. [2019-10-15 00:57:23,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25630 to 25630. [2019-10-15 00:57:23,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25630 states. [2019-10-15 00:57:23,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25630 states to 25630 states and 34243 transitions. [2019-10-15 00:57:23,566 INFO L78 Accepts]: Start accepts. Automaton has 25630 states and 34243 transitions. Word has length 564 [2019-10-15 00:57:23,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:57:23,567 INFO L462 AbstractCegarLoop]: Abstraction has 25630 states and 34243 transitions. [2019-10-15 00:57:23,567 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:57:23,567 INFO L276 IsEmpty]: Start isEmpty. Operand 25630 states and 34243 transitions. [2019-10-15 00:57:23,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 565 [2019-10-15 00:57:23,649 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:57:23,649 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, 1] [2019-10-15 00:57:23,650 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:57:23,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:57:23,650 INFO L82 PathProgramCache]: Analyzing trace with hash -1930879517, now seen corresponding path program 1 times [2019-10-15 00:57:23,650 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:57:23,651 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12845730] [2019-10-15 00:57:23,651 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:57:23,651 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:57:23,651 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:57:24,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:57:24,944 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 2325 trivial. 0 not checked. [2019-10-15 00:57:24,944 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12845730] [2019-10-15 00:57:24,944 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [392326473] [2019-10-15 00:57:24,945 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