java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--nfc--st21nfca--st21nfca_i2c.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 22:20:55,912 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 22:20:55,915 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 22:20:55,928 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 22:20:55,929 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 22:20:55,930 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 22:20:55,931 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 22:20:55,933 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 22:20:55,935 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 22:20:55,936 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 22:20:55,937 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 22:20:55,938 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 22:20:55,938 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 22:20:55,939 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 22:20:55,940 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 22:20:55,941 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 22:20:55,942 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 22:20:55,943 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 22:20:55,944 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 22:20:55,946 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 22:20:55,948 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 22:20:55,949 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 22:20:55,950 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 22:20:55,951 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 22:20:55,953 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 22:20:55,953 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 22:20:55,953 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 22:20:55,954 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 22:20:55,955 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 22:20:55,956 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 22:20:55,956 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 22:20:55,957 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 22:20:55,958 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 22:20:55,959 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 22:20:55,960 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 22:20:55,960 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 22:20:55,960 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 22:20:55,961 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 22:20:55,961 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 22:20:55,962 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 22:20:55,963 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 22:20:55,964 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 22:20:55,988 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 22:20:55,988 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 22:20:55,991 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 22:20:55,991 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 22:20:55,991 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 22:20:55,991 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 22:20:55,992 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 22:20:55,992 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 22:20:55,992 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 22:20:55,992 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 22:20:55,993 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 22:20:55,994 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 22:20:55,994 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 22:20:55,994 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 22:20:55,995 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 22:20:55,995 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 22:20:55,995 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 22:20:55,995 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 22:20:55,995 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 22:20:55,996 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 22:20:55,996 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 22:20:55,996 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 22:20:55,997 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 22:20:55,997 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 22:20:55,997 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 22:20:55,997 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 22:20:55,998 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 22:20:55,998 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 22:20:55,998 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-13 22:20:56,308 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 22:20:56,322 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 22:20:56,328 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 22:20:56,330 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 22:20:56,330 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 22:20:56,331 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--nfc--st21nfca--st21nfca_i2c.ko-entry_point.cil.out.i [2019-10-13 22:20:56,403 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1f6a684f/0392a3e982454c6187748d7043edeefd/FLAG77bdbd94f [2019-10-13 22:20:57,194 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 22:20:57,195 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--nfc--st21nfca--st21nfca_i2c.ko-entry_point.cil.out.i [2019-10-13 22:20:57,237 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1f6a684f/0392a3e982454c6187748d7043edeefd/FLAG77bdbd94f [2019-10-13 22:20:57,751 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1f6a684f/0392a3e982454c6187748d7043edeefd [2019-10-13 22:20:57,763 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 22:20:57,764 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 22:20:57,766 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 22:20:57,766 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 22:20:57,771 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 22:20:57,774 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:20:57" (1/1) ... [2019-10-13 22:20:57,778 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@795d070c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:20:57, skipping insertion in model container [2019-10-13 22:20:57,778 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:20:57" (1/1) ... [2019-10-13 22:20:57,786 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 22:20:57,892 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 22:20:58,499 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2704] [2019-10-13 22:20:58,500 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2705-2706] [2019-10-13 22:20:59,295 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 22:20:59,334 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 22:20:59,415 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2704] [2019-10-13 22:20:59,415 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2705-2706] [2019-10-13 22:20:59,532 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 22:20:59,688 INFO L192 MainTranslator]: Completed translation [2019-10-13 22:20:59,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:20:59 WrapperNode [2019-10-13 22:20:59,689 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 22:20:59,690 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 22:20:59,690 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 22:20:59,690 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 22:20:59,709 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:20:59" (1/1) ... [2019-10-13 22:20:59,710 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:20:59" (1/1) ... [2019-10-13 22:20:59,793 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:20:59" (1/1) ... [2019-10-13 22:20:59,793 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:20:59" (1/1) ... [2019-10-13 22:20:59,931 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:20:59" (1/1) ... [2019-10-13 22:20:59,960 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:20:59" (1/1) ... [2019-10-13 22:21:00,059 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:20:59" (1/1) ... [2019-10-13 22:21:00,088 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 22:21:00,089 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 22:21:00,089 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 22:21:00,089 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 22:21:00,090 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:20:59" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 22:21:00,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 22:21:00,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 22:21:00,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~u32~0 [2019-10-13 22:21:00,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-13 22:21:00,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-13 22:21:00,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-13 22:21:00,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-13 22:21:00,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-13 22:21:00,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-13 22:21:00,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-13 22:21:00,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-13 22:21:00,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-13 22:21:00,170 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2019-10-13 22:21:00,170 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-13 22:21:00,170 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-13 22:21:00,171 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2019-10-13 22:21:00,171 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_set_clientdata [2019-10-13 22:21:00,171 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_functionality [2019-10-13 22:21:00,171 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_check_functionality [2019-10-13 22:21:00,171 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_direction_input [2019-10-13 22:21:00,171 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_direction_output [2019-10-13 22:21:00,172 INFO L138 BoogieDeclarations]: Found implementation of procedure __gpio_set_value [2019-10-13 22:21:00,172 INFO L138 BoogieDeclarations]: Found implementation of procedure __gpio_to_irq [2019-10-13 22:21:00,172 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_set_value [2019-10-13 22:21:00,172 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_to_irq [2019-10-13 22:21:00,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_skb_21 [2019-10-13 22:21:00,172 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_platform_init [2019-10-13 22:21:00,173 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_enable [2019-10-13 22:21:00,173 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_disable [2019-10-13 22:21:00,173 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_add_len_crc [2019-10-13 22:21:00,174 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_remove_len_crc [2019-10-13 22:21:00,174 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_write [2019-10-13 22:21:00,174 INFO L138 BoogieDeclarations]: Found implementation of procedure get_frame_size [2019-10-13 22:21:00,174 INFO L138 BoogieDeclarations]: Found implementation of procedure check_crc [2019-10-13 22:21:00,175 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_repack [2019-10-13 22:21:00,175 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_read [2019-10-13 22:21:00,175 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_irq_thread_fn [2019-10-13 22:21:00,175 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_of_request_resources [2019-10-13 22:21:00,175 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_request_resources [2019-10-13 22:21:00,175 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_probe [2019-10-13 22:21:00,175 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_remove [2019-10-13 22:21:00,176 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_driver_init [2019-10-13 22:21:00,176 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_driver_exit [2019-10-13 22:21:00,176 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_2 [2019-10-13 22:21:00,176 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_2 [2019-10-13 22:21:00,176 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2019-10-13 22:21:00,176 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2019-10-13 22:21:00,177 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2019-10-13 22:21:00,177 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2019-10-13 22:21:00,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2019-10-13 22:21:00,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2019-10-13 22:21:00,177 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2019-10-13 22:21:00,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_i2c_driver_3 [2019-10-13 22:21:00,177 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2019-10-13 22:21:00,178 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 22:21:00,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_16 [2019-10-13 22:21:00,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_devm_request_threaded_irq_19 [2019-10-13 22:21:00,179 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2019-10-13 22:21:00,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_23 [2019-10-13 22:21:00,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_25 [2019-10-13 22:21:00,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_copy_27 [2019-10-13 22:21:00,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_28 [2019-10-13 22:21:00,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_29 [2019-10-13 22:21:00,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_30 [2019-10-13 22:21:00,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_31 [2019-10-13 22:21:00,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_32 [2019-10-13 22:21:00,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_devm_request_threaded_irq_33 [2019-10-13 22:21:00,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-10-13 22:21:00,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-13 22:21:00,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2019-10-13 22:21:00,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2019-10-13 22:21:00,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2019-10-13 22:21:00,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2019-10-13 22:21:00,183 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_skb [2019-10-13 22:21:00,183 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2019-10-13 22:21:00,184 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2019-10-13 22:21:00,184 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-13 22:21:00,185 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2019-10-13 22:21:00,185 INFO L138 BoogieDeclarations]: Found implementation of procedure crc_ccitt [2019-10-13 22:21:00,186 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-10-13 22:21:00,186 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_gpio_request [2019-10-13 22:21:00,186 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kmalloc [2019-10-13 22:21:00,186 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_request_threaded_irq [2019-10-13 22:21:00,187 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_to_desc [2019-10-13 22:21:00,188 INFO L138 BoogieDeclarations]: Found implementation of procedure gpiod_direction_input [2019-10-13 22:21:00,188 INFO L138 BoogieDeclarations]: Found implementation of procedure gpiod_direction_output_raw [2019-10-13 22:21:00,188 INFO L138 BoogieDeclarations]: Found implementation of procedure gpiod_to_irq [2019-10-13 22:21:00,189 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_del_driver [2019-10-13 22:21:00,189 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_master_recv [2019-10-13 22:21:00,189 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_master_send [2019-10-13 22:21:00,189 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_register_driver [2019-10-13 22:21:00,189 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2019-10-13 22:21:00,189 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2019-10-13 22:21:00,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-13 22:21:00,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler1_1 [2019-10-13 22:21:00,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler1_2 [2019-10-13 22:21:00,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-13 22:21:00,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2019-10-13 22:21:00,190 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2019-10-13 22:21:00,190 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-10-13 22:21:00,190 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-13 22:21:00,190 INFO L138 BoogieDeclarations]: Found implementation of procedure nfc_hci_recv_frame [2019-10-13 22:21:00,190 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2019-10-13 22:21:00,191 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-13 22:21:00,191 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2019-10-13 22:21:00,191 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone [2019-10-13 22:21:00,191 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy [2019-10-13 22:21:00,191 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2019-10-13 22:21:00,191 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2019-10-13 22:21:00,191 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-10-13 22:21:00,191 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2019-10-13 22:21:00,192 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_probe [2019-10-13 22:21:00,192 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_remove [2019-10-13 22:21:00,192 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2019-10-13 22:21:00,192 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-10-13 22:21:00,192 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-13 22:21:00,193 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-13 22:21:00,193 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-13 22:21:00,193 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-13 22:21:00,193 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 22:21:00,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-13 22:21:00,195 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-13 22:21:00,195 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2019-10-13 22:21:00,195 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2019-10-13 22:21:00,195 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2019-10-13 22:21:00,195 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-10-13 22:21:00,195 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-13 22:21:00,196 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-10-13 22:21:00,196 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-13 22:21:00,197 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2019-10-13 22:21:00,200 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_16 [2019-10-13 22:21:00,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-10-13 22:21:00,201 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 22:21:00,201 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-13 22:21:00,202 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 22:21:00,202 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-13 22:21:00,203 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-13 22:21:00,203 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-13 22:21:00,203 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-13 22:21:00,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 22:21:00,214 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-13 22:21:00,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-13 22:21:00,214 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-13 22:21:00,215 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-13 22:21:00,215 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-13 22:21:00,215 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-13 22:21:00,215 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-13 22:21:00,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-13 22:21:00,216 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_2 [2019-10-13 22:21:00,216 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_2 [2019-10-13 22:21:00,216 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2019-10-13 22:21:00,216 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2019-10-13 22:21:00,216 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2019-10-13 22:21:00,216 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2019-10-13 22:21:00,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2019-10-13 22:21:00,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2019-10-13 22:21:00,217 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2019-10-13 22:21:00,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_i2c_driver_3 [2019-10-13 22:21:00,218 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2019-10-13 22:21:00,218 INFO L130 BoogieDeclarations]: Found specification of procedure crc_ccitt [2019-10-13 22:21:00,218 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kmalloc [2019-10-13 22:21:00,218 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2019-10-13 22:21:00,218 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-13 22:21:00,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 22:21:00,219 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-13 22:21:00,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 22:21:00,219 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-10-13 22:21:00,219 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_master_send [2019-10-13 22:21:00,219 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_master_recv [2019-10-13 22:21:00,219 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2019-10-13 22:21:00,220 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_set_clientdata [2019-10-13 22:21:00,220 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_register_driver [2019-10-13 22:21:00,220 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_del_driver [2019-10-13 22:21:00,220 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_functionality [2019-10-13 22:21:00,220 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~u32~0 [2019-10-13 22:21:00,220 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_check_functionality [2019-10-13 22:21:00,220 INFO L130 BoogieDeclarations]: Found specification of procedure gpiod_direction_input [2019-10-13 22:21:00,221 INFO L130 BoogieDeclarations]: Found specification of procedure gpiod_direction_output_raw [2019-10-13 22:21:00,221 INFO L130 BoogieDeclarations]: Found specification of procedure gpiod_to_irq [2019-10-13 22:21:00,221 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_to_desc [2019-10-13 22:21:00,221 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_direction_input [2019-10-13 22:21:00,221 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_direction_output [2019-10-13 22:21:00,221 INFO L130 BoogieDeclarations]: Found specification of procedure __gpio_set_value [2019-10-13 22:21:00,221 INFO L130 BoogieDeclarations]: Found specification of procedure __gpio_to_irq [2019-10-13 22:21:00,221 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_set_value [2019-10-13 22:21:00,222 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_to_irq [2019-10-13 22:21:00,222 INFO L130 BoogieDeclarations]: Found specification of procedure devm_gpio_request [2019-10-13 22:21:00,222 INFO L130 BoogieDeclarations]: Found specification of procedure devm_request_threaded_irq [2019-10-13 22:21:00,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_devm_request_threaded_irq_19 [2019-10-13 22:21:00,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_devm_request_threaded_irq_33 [2019-10-13 22:21:00,222 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2019-10-13 22:21:00,222 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2019-10-13 22:21:00,222 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2019-10-13 22:21:00,223 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_skb [2019-10-13 22:21:00,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_skb_21 [2019-10-13 22:21:00,223 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2019-10-13 22:21:00,223 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone [2019-10-13 22:21:00,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_25 [2019-10-13 22:21:00,223 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy [2019-10-13 22:21:00,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_copy_27 [2019-10-13 22:21:00,223 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2019-10-13 22:21:00,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_23 [2019-10-13 22:21:00,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_31 [2019-10-13 22:21:00,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_32 [2019-10-13 22:21:00,224 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-10-13 22:21:00,224 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2019-10-13 22:21:00,224 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2019-10-13 22:21:00,224 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2019-10-13 22:21:00,225 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2019-10-13 22:21:00,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_28 [2019-10-13 22:21:00,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_29 [2019-10-13 22:21:00,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_30 [2019-10-13 22:21:00,225 INFO L130 BoogieDeclarations]: Found specification of procedure nfc_hci_recv_frame [2019-10-13 22:21:00,225 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_probe [2019-10-13 22:21:00,225 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_remove [2019-10-13 22:21:00,226 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_platform_init [2019-10-13 22:21:00,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 22:21:00,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 22:21:00,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 22:21:00,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 22:21:00,226 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_enable [2019-10-13 22:21:00,226 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_disable [2019-10-13 22:21:00,227 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_add_len_crc [2019-10-13 22:21:00,227 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_remove_len_crc [2019-10-13 22:21:00,227 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_write [2019-10-13 22:21:00,227 INFO L130 BoogieDeclarations]: Found specification of procedure get_frame_size [2019-10-13 22:21:00,228 INFO L130 BoogieDeclarations]: Found specification of procedure check_crc [2019-10-13 22:21:00,228 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_repack [2019-10-13 22:21:00,228 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-13 22:21:00,228 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_read [2019-10-13 22:21:00,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-13 22:21:00,228 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_irq_thread_fn [2019-10-13 22:21:00,228 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_of_request_resources [2019-10-13 22:21:00,228 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_request_resources [2019-10-13 22:21:00,229 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_probe [2019-10-13 22:21:00,229 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_remove [2019-10-13 22:21:00,229 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_driver_init [2019-10-13 22:21:00,229 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_driver_exit [2019-10-13 22:21:00,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler1_1 [2019-10-13 22:21:00,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-13 22:21:00,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-13 22:21:00,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler1_2 [2019-10-13 22:21:00,230 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 22:21:00,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2019-10-13 22:21:00,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-13 22:21:00,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2019-10-13 22:21:00,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2019-10-13 22:21:00,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2019-10-13 22:21:00,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2019-10-13 22:21:00,231 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-13 22:21:00,231 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-10-13 22:21:00,231 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 22:21:00,231 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-13 22:21:00,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 22:21:00,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-13 22:21:00,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 22:21:00,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-13 22:21:00,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 22:21:00,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-13 22:21:00,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-13 22:21:00,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-13 22:21:01,251 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-13 22:21:09,494 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 22:21:09,494 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-13 22:21:09,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:21:09 BoogieIcfgContainer [2019-10-13 22:21:09,496 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 22:21:09,498 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 22:21:09,498 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 22:21:09,507 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 22:21:09,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 10:20:57" (1/3) ... [2019-10-13 22:21:09,509 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ba424a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:21:09, skipping insertion in model container [2019-10-13 22:21:09,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:20:59" (2/3) ... [2019-10-13 22:21:09,509 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ba424a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:21:09, skipping insertion in model container [2019-10-13 22:21:09,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:21:09" (3/3) ... [2019-10-13 22:21:09,511 INFO L109 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--nfc--st21nfca--st21nfca_i2c.ko-entry_point.cil.out.i [2019-10-13 22:21:09,522 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 22:21:09,534 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 22:21:09,544 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 22:21:09,582 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 22:21:09,583 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 22:21:09,583 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 22:21:09,583 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 22:21:09,583 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 22:21:09,583 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 22:21:09,583 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 22:21:09,584 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 22:21:09,629 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states. [2019-10-13 22:21:09,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-10-13 22:21:09,659 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:21:09,660 INFO L380 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:21:09,663 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:21:09,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:21:09,667 INFO L82 PathProgramCache]: Analyzing trace with hash 1837159820, now seen corresponding path program 1 times [2019-10-13 22:21:09,675 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:21:09,675 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725261747] [2019-10-13 22:21:09,675 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:21:09,676 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:21:09,676 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:21:10,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:21:10,401 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-10-13 22:21:10,403 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725261747] [2019-10-13 22:21:10,404 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:21:10,404 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 22:21:10,404 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223752668] [2019-10-13 22:21:10,412 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 22:21:10,412 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:21:10,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 22:21:10,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 22:21:10,430 INFO L87 Difference]: Start difference. First operand 649 states. Second operand 5 states. [2019-10-13 22:21:10,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:21:10,804 INFO L93 Difference]: Finished difference Result 1731 states and 2256 transitions. [2019-10-13 22:21:10,806 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 22:21:10,808 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 77 [2019-10-13 22:21:10,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:21:10,837 INFO L225 Difference]: With dead ends: 1731 [2019-10-13 22:21:10,837 INFO L226 Difference]: Without dead ends: 1117 [2019-10-13 22:21:10,845 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-13 22:21:10,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1117 states. [2019-10-13 22:21:10,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1117 to 1102. [2019-10-13 22:21:11,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1102 states. [2019-10-13 22:21:11,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1102 states to 1102 states and 1408 transitions. [2019-10-13 22:21:11,013 INFO L78 Accepts]: Start accepts. Automaton has 1102 states and 1408 transitions. Word has length 77 [2019-10-13 22:21:11,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:21:11,014 INFO L462 AbstractCegarLoop]: Abstraction has 1102 states and 1408 transitions. [2019-10-13 22:21:11,015 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 22:21:11,015 INFO L276 IsEmpty]: Start isEmpty. Operand 1102 states and 1408 transitions. [2019-10-13 22:21:11,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-10-13 22:21:11,021 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:21:11,021 INFO L380 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:21:11,021 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:21:11,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:21:11,022 INFO L82 PathProgramCache]: Analyzing trace with hash -216370840, now seen corresponding path program 1 times [2019-10-13 22:21:11,022 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:21:11,022 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074692386] [2019-10-13 22:21:11,022 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:21:11,022 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:21:11,023 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:21:11,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:21:11,290 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-10-13 22:21:11,291 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074692386] [2019-10-13 22:21:11,291 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:21:11,291 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 22:21:11,291 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24217918] [2019-10-13 22:21:11,293 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 22:21:11,293 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:21:11,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 22:21:11,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 22:21:11,294 INFO L87 Difference]: Start difference. First operand 1102 states and 1408 transitions. Second operand 5 states. [2019-10-13 22:21:11,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:21:11,465 INFO L93 Difference]: Finished difference Result 2378 states and 3038 transitions. [2019-10-13 22:21:11,465 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 22:21:11,465 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 78 [2019-10-13 22:21:11,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:21:11,478 INFO L225 Difference]: With dead ends: 2378 [2019-10-13 22:21:11,478 INFO L226 Difference]: Without dead ends: 1664 [2019-10-13 22:21:11,483 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-13 22:21:11,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1664 states. [2019-10-13 22:21:11,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1664 to 1644. [2019-10-13 22:21:11,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1644 states. [2019-10-13 22:21:11,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1644 states to 1644 states and 2100 transitions. [2019-10-13 22:21:11,583 INFO L78 Accepts]: Start accepts. Automaton has 1644 states and 2100 transitions. Word has length 78 [2019-10-13 22:21:11,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:21:11,584 INFO L462 AbstractCegarLoop]: Abstraction has 1644 states and 2100 transitions. [2019-10-13 22:21:11,584 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 22:21:11,584 INFO L276 IsEmpty]: Start isEmpty. Operand 1644 states and 2100 transitions. [2019-10-13 22:21:11,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-10-13 22:21:11,588 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:21:11,588 INFO L380 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:21:11,588 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:21:11,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:21:11,589 INFO L82 PathProgramCache]: Analyzing trace with hash -210296599, now seen corresponding path program 1 times [2019-10-13 22:21:11,589 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:21:11,589 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092681782] [2019-10-13 22:21:11,589 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:21:11,590 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:21:11,590 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:21:11,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:21:11,766 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-10-13 22:21:11,766 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092681782] [2019-10-13 22:21:11,767 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:21:11,767 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 22:21:11,767 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301812138] [2019-10-13 22:21:11,768 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 22:21:11,768 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:21:11,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 22:21:11,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 22:21:11,768 INFO L87 Difference]: Start difference. First operand 1644 states and 2100 transitions. Second operand 5 states. [2019-10-13 22:21:11,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:21:11,946 INFO L93 Difference]: Finished difference Result 2925 states and 3732 transitions. [2019-10-13 22:21:11,946 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 22:21:11,946 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 79 [2019-10-13 22:21:11,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:21:11,959 INFO L225 Difference]: With dead ends: 2925 [2019-10-13 22:21:11,960 INFO L226 Difference]: Without dead ends: 1668 [2019-10-13 22:21:11,966 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-13 22:21:11,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1668 states. [2019-10-13 22:21:12,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1668 to 1648. [2019-10-13 22:21:12,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1648 states. [2019-10-13 22:21:12,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1648 states to 1648 states and 2102 transitions. [2019-10-13 22:21:12,078 INFO L78 Accepts]: Start accepts. Automaton has 1648 states and 2102 transitions. Word has length 79 [2019-10-13 22:21:12,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:21:12,079 INFO L462 AbstractCegarLoop]: Abstraction has 1648 states and 2102 transitions. [2019-10-13 22:21:12,079 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 22:21:12,079 INFO L276 IsEmpty]: Start isEmpty. Operand 1648 states and 2102 transitions. [2019-10-13 22:21:12,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-10-13 22:21:12,083 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:21:12,083 INFO L380 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:21:12,083 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:21:12,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:21:12,084 INFO L82 PathProgramCache]: Analyzing trace with hash -780979867, now seen corresponding path program 1 times [2019-10-13 22:21:12,084 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:21:12,084 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616656010] [2019-10-13 22:21:12,084 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:21:12,085 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:21:12,085 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:21:12,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:21:12,285 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-10-13 22:21:12,286 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616656010] [2019-10-13 22:21:12,286 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:21:12,287 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 22:21:12,287 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725857250] [2019-10-13 22:21:12,287 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 22:21:12,288 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:21:12,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 22:21:12,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 22:21:12,289 INFO L87 Difference]: Start difference. First operand 1648 states and 2102 transitions. Second operand 5 states. [2019-10-13 22:21:12,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:21:12,501 INFO L93 Difference]: Finished difference Result 2914 states and 3712 transitions. [2019-10-13 22:21:12,501 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 22:21:12,501 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 80 [2019-10-13 22:21:12,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:21:12,512 INFO L225 Difference]: With dead ends: 2914 [2019-10-13 22:21:12,513 INFO L226 Difference]: Without dead ends: 1652 [2019-10-13 22:21:12,518 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-13 22:21:12,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1652 states. [2019-10-13 22:21:12,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1652 to 1635. [2019-10-13 22:21:12,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1635 states. [2019-10-13 22:21:12,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1635 states to 1635 states and 2082 transitions. [2019-10-13 22:21:12,606 INFO L78 Accepts]: Start accepts. Automaton has 1635 states and 2082 transitions. Word has length 80 [2019-10-13 22:21:12,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:21:12,606 INFO L462 AbstractCegarLoop]: Abstraction has 1635 states and 2082 transitions. [2019-10-13 22:21:12,607 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 22:21:12,607 INFO L276 IsEmpty]: Start isEmpty. Operand 1635 states and 2082 transitions. [2019-10-13 22:21:12,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-10-13 22:21:12,610 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:21:12,610 INFO L380 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:21:12,610 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:21:12,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:21:12,611 INFO L82 PathProgramCache]: Analyzing trace with hash 1634344056, now seen corresponding path program 1 times [2019-10-13 22:21:12,611 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:21:12,611 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011262540] [2019-10-13 22:21:12,612 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:21:12,612 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:21:12,612 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:21:12,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:21:12,791 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-10-13 22:21:12,792 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011262540] [2019-10-13 22:21:12,792 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:21:12,792 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 22:21:12,793 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590360958] [2019-10-13 22:21:12,793 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 22:21:12,793 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:21:12,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 22:21:12,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 22:21:12,794 INFO L87 Difference]: Start difference. First operand 1635 states and 2082 transitions. Second operand 5 states. [2019-10-13 22:21:12,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:21:12,996 INFO L93 Difference]: Finished difference Result 4900 states and 6255 transitions. [2019-10-13 22:21:12,996 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 22:21:12,997 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 80 [2019-10-13 22:21:12,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:21:13,019 INFO L225 Difference]: With dead ends: 4900 [2019-10-13 22:21:13,020 INFO L226 Difference]: Without dead ends: 3284 [2019-10-13 22:21:13,027 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-13 22:21:13,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3284 states. [2019-10-13 22:21:13,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3284 to 3251. [2019-10-13 22:21:13,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3251 states. [2019-10-13 22:21:13,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3251 states to 3251 states and 4141 transitions. [2019-10-13 22:21:13,210 INFO L78 Accepts]: Start accepts. Automaton has 3251 states and 4141 transitions. Word has length 80 [2019-10-13 22:21:13,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:21:13,211 INFO L462 AbstractCegarLoop]: Abstraction has 3251 states and 4141 transitions. [2019-10-13 22:21:13,211 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 22:21:13,211 INFO L276 IsEmpty]: Start isEmpty. Operand 3251 states and 4141 transitions. [2019-10-13 22:21:13,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2019-10-13 22:21:13,215 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:21:13,215 INFO L380 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:21:13,215 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:21:13,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:21:13,216 INFO L82 PathProgramCache]: Analyzing trace with hash 1503761521, now seen corresponding path program 1 times [2019-10-13 22:21:13,216 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:21:13,216 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500360746] [2019-10-13 22:21:13,216 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:21:13,216 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:21:13,216 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:21:13,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:21:13,389 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-10-13 22:21:13,389 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500360746] [2019-10-13 22:21:13,389 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:21:13,390 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 22:21:13,390 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12623563] [2019-10-13 22:21:13,390 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 22:21:13,391 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:21:13,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 22:21:13,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 22:21:13,391 INFO L87 Difference]: Start difference. First operand 3251 states and 4141 transitions. Second operand 5 states. [2019-10-13 22:21:13,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:21:13,582 INFO L93 Difference]: Finished difference Result 5425 states and 6907 transitions. [2019-10-13 22:21:13,583 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 22:21:13,583 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 81 [2019-10-13 22:21:13,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:21:13,603 INFO L225 Difference]: With dead ends: 5425 [2019-10-13 22:21:13,603 INFO L226 Difference]: Without dead ends: 3299 [2019-10-13 22:21:13,612 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-13 22:21:13,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3299 states. [2019-10-13 22:21:13,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3299 to 3263. [2019-10-13 22:21:13,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3263 states. [2019-10-13 22:21:13,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3263 states to 3263 states and 4147 transitions. [2019-10-13 22:21:13,789 INFO L78 Accepts]: Start accepts. Automaton has 3263 states and 4147 transitions. Word has length 81 [2019-10-13 22:21:13,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:21:13,790 INFO L462 AbstractCegarLoop]: Abstraction has 3263 states and 4147 transitions. [2019-10-13 22:21:13,790 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 22:21:13,790 INFO L276 IsEmpty]: Start isEmpty. Operand 3263 states and 4147 transitions. [2019-10-13 22:21:13,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-10-13 22:21:13,794 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:21:13,795 INFO L380 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:21:13,795 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:21:13,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:21:13,795 INFO L82 PathProgramCache]: Analyzing trace with hash 991685493, now seen corresponding path program 1 times [2019-10-13 22:21:13,796 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:21:13,796 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450860448] [2019-10-13 22:21:13,796 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:21:13,796 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:21:13,796 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:21:13,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:21:14,102 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-10-13 22:21:14,102 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450860448] [2019-10-13 22:21:14,102 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:21:14,103 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 22:21:14,103 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516644762] [2019-10-13 22:21:14,104 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 22:21:14,104 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:21:14,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 22:21:14,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 22:21:14,105 INFO L87 Difference]: Start difference. First operand 3263 states and 4147 transitions. Second operand 5 states. [2019-10-13 22:21:14,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:21:14,288 INFO L93 Difference]: Finished difference Result 5452 states and 6919 transitions. [2019-10-13 22:21:14,288 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 22:21:14,288 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2019-10-13 22:21:14,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:21:14,309 INFO L225 Difference]: With dead ends: 5452 [2019-10-13 22:21:14,309 INFO L226 Difference]: Without dead ends: 3311 [2019-10-13 22:21:14,316 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-13 22:21:14,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3311 states. [2019-10-13 22:21:14,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3311 to 3275. [2019-10-13 22:21:14,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3275 states. [2019-10-13 22:21:14,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3275 states to 3275 states and 4153 transitions. [2019-10-13 22:21:14,524 INFO L78 Accepts]: Start accepts. Automaton has 3275 states and 4153 transitions. Word has length 82 [2019-10-13 22:21:14,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:21:14,524 INFO L462 AbstractCegarLoop]: Abstraction has 3275 states and 4153 transitions. [2019-10-13 22:21:14,524 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 22:21:14,525 INFO L276 IsEmpty]: Start isEmpty. Operand 3275 states and 4153 transitions. [2019-10-13 22:21:14,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-10-13 22:21:14,530 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:21:14,530 INFO L380 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:21:14,531 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:21:14,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:21:14,531 INFO L82 PathProgramCache]: Analyzing trace with hash 1538213070, now seen corresponding path program 1 times [2019-10-13 22:21:14,532 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:21:14,532 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151747754] [2019-10-13 22:21:14,532 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:21:14,532 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:21:14,533 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:21:14,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:21:14,766 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-10-13 22:21:14,767 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151747754] [2019-10-13 22:21:14,767 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:21:14,767 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 22:21:14,767 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325881798] [2019-10-13 22:21:14,768 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 22:21:14,768 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:21:14,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 22:21:14,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 22:21:14,769 INFO L87 Difference]: Start difference. First operand 3275 states and 4153 transitions. Second operand 5 states. [2019-10-13 22:21:15,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:21:15,010 INFO L93 Difference]: Finished difference Result 5307 states and 6700 transitions. [2019-10-13 22:21:15,011 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 22:21:15,011 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 83 [2019-10-13 22:21:15,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:21:15,036 INFO L225 Difference]: With dead ends: 5307 [2019-10-13 22:21:15,036 INFO L226 Difference]: Without dead ends: 3151 [2019-10-13 22:21:15,048 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-13 22:21:15,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3151 states. [2019-10-13 22:21:15,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3151 to 3124. [2019-10-13 22:21:15,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3124 states. [2019-10-13 22:21:15,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3124 states to 3124 states and 3934 transitions. [2019-10-13 22:21:15,257 INFO L78 Accepts]: Start accepts. Automaton has 3124 states and 3934 transitions. Word has length 83 [2019-10-13 22:21:15,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:21:15,258 INFO L462 AbstractCegarLoop]: Abstraction has 3124 states and 3934 transitions. [2019-10-13 22:21:15,258 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 22:21:15,258 INFO L276 IsEmpty]: Start isEmpty. Operand 3124 states and 3934 transitions. [2019-10-13 22:21:15,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2019-10-13 22:21:15,262 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:21:15,263 INFO L380 BasicCegarLoop]: trace histogram [5, 5, 5, 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] [2019-10-13 22:21:15,263 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:21:15,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:21:15,263 INFO L82 PathProgramCache]: Analyzing trace with hash 1662776287, now seen corresponding path program 1 times [2019-10-13 22:21:15,264 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:21:15,264 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626552899] [2019-10-13 22:21:15,264 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:21:15,264 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:21:15,264 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:21:15,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:21:15,403 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2019-10-13 22:21:15,404 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626552899] [2019-10-13 22:21:15,404 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:21:15,404 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:21:15,404 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561645225] [2019-10-13 22:21:15,405 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:21:15,405 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:21:15,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:21:15,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:21:15,406 INFO L87 Difference]: Start difference. First operand 3124 states and 3934 transitions. Second operand 3 states. [2019-10-13 22:21:15,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:21:15,708 INFO L93 Difference]: Finished difference Result 8105 states and 10235 transitions. [2019-10-13 22:21:15,708 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:21:15,709 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 90 [2019-10-13 22:21:15,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:21:15,748 INFO L225 Difference]: With dead ends: 8105 [2019-10-13 22:21:15,749 INFO L226 Difference]: Without dead ends: 5000 [2019-10-13 22:21:15,767 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:21:15,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5000 states. [2019-10-13 22:21:16,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5000 to 4997. [2019-10-13 22:21:16,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4997 states. [2019-10-13 22:21:16,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4997 states to 4997 states and 6317 transitions. [2019-10-13 22:21:16,354 INFO L78 Accepts]: Start accepts. Automaton has 4997 states and 6317 transitions. Word has length 90 [2019-10-13 22:21:16,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:21:16,355 INFO L462 AbstractCegarLoop]: Abstraction has 4997 states and 6317 transitions. [2019-10-13 22:21:16,355 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:21:16,355 INFO L276 IsEmpty]: Start isEmpty. Operand 4997 states and 6317 transitions. [2019-10-13 22:21:16,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-10-13 22:21:16,363 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:21:16,364 INFO L380 BasicCegarLoop]: trace histogram [5, 5, 5, 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] [2019-10-13 22:21:16,364 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:21:16,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:21:16,365 INFO L82 PathProgramCache]: Analyzing trace with hash 583800376, now seen corresponding path program 1 times [2019-10-13 22:21:16,365 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:21:16,365 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487800659] [2019-10-13 22:21:16,365 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:21:16,366 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:21:16,366 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:21:16,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:21:16,606 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2019-10-13 22:21:16,607 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487800659] [2019-10-13 22:21:16,607 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1189663272] [2019-10-13 22:21:16,607 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 22:21:17,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:21:17,298 INFO L256 TraceCheckSpWp]: Trace formula consists of 2228 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-13 22:21:17,313 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 22:21:17,358 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2019-10-13 22:21:17,359 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 22:21:17,446 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2019-10-13 22:21:17,447 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-13 22:21:17,447 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [9] total 10 [2019-10-13 22:21:17,447 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913374877] [2019-10-13 22:21:17,448 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:21:17,448 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:21:17,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:21:17,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-10-13 22:21:17,449 INFO L87 Difference]: Start difference. First operand 4997 states and 6317 transitions. Second operand 3 states. [2019-10-13 22:21:17,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:21:17,630 INFO L93 Difference]: Finished difference Result 4997 states and 6317 transitions. [2019-10-13 22:21:17,631 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:21:17,631 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 93 [2019-10-13 22:21:17,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:21:17,632 INFO L225 Difference]: With dead ends: 4997 [2019-10-13 22:21:17,632 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 22:21:17,650 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-10-13 22:21:17,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 22:21:17,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 22:21:17,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 22:21:17,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 22:21:17,653 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 93 [2019-10-13 22:21:17,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:21:17,653 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 22:21:17,653 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:21:17,654 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 22:21:17,654 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 22:21:17,859 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 22:21:17,867 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 22:21:21,542 WARN L191 SmtUtils]: Spent 488.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2019-10-13 22:21:21,813 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 37 [2019-10-13 22:21:22,466 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 27 [2019-10-13 22:21:22,671 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 1 [2019-10-13 22:21:22,905 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 37 [2019-10-13 22:21:23,224 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 37 [2019-10-13 22:21:23,451 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 18 [2019-10-13 22:21:23,601 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 37 [2019-10-13 22:21:23,881 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 37 [2019-10-13 22:21:24,178 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 37 [2019-10-13 22:21:24,318 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 37 [2019-10-13 22:21:24,641 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 37 [2019-10-13 22:21:25,038 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 18 [2019-10-13 22:21:25,345 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 29 [2019-10-13 22:21:25,896 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 37 [2019-10-13 22:21:26,029 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 37 [2019-10-13 22:21:26,374 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 27 [2019-10-13 22:21:27,994 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 37 [2019-10-13 22:21:29,297 WARN L191 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 20