/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/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-fb55353 [2019-11-06 23:39:09,069 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 23:39:09,071 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 23:39:09,083 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-06 23:39:09,084 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-06 23:39:09,085 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-06 23:39:09,086 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-06 23:39:09,088 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-06 23:39:09,090 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-06 23:39:09,091 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-06 23:39:09,092 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-06 23:39:09,093 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-06 23:39:09,093 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 23:39:09,094 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 23:39:09,095 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 23:39:09,096 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 23:39:09,097 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 23:39:09,098 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 23:39:09,100 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 23:39:09,102 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 23:39:09,104 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 23:39:09,105 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 23:39:09,109 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 23:39:09,110 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 23:39:09,112 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-06 23:39:09,113 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-06 23:39:09,113 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-06 23:39:09,114 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-06 23:39:09,117 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-06 23:39:09,121 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-06 23:39:09,121 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-06 23:39:09,122 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-06 23:39:09,122 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-06 23:39:09,123 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-06 23:39:09,124 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-06 23:39:09,124 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-06 23:39:09,125 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-06 23:39:09,125 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-06 23:39:09,125 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 23:39:09,129 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 23:39:09,130 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 23:39:09,133 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-06 23:39:09,159 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 23:39:09,159 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 23:39:09,161 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 23:39:09,161 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 23:39:09,161 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 23:39:09,162 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 23:39:09,162 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 23:39:09,162 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 23:39:09,162 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 23:39:09,162 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 23:39:09,163 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 23:39:09,164 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 23:39:09,164 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 23:39:09,164 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 23:39:09,165 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 23:39:09,165 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 23:39:09,165 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 23:39:09,165 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 23:39:09,166 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 23:39:09,166 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 23:39:09,166 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 23:39:09,167 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 23:39:09,167 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 23:39:09,167 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 23:39:09,167 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 23:39:09,167 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 23:39:09,168 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 23:39:09,168 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 23:39:09,168 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-11-06 23:39:09,451 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 23:39:09,464 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 23:39:09,467 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 23:39:09,469 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 23:39:09,469 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 23:39:09,470 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--nfc--st21nfca--st21nfca_i2c.ko-entry_point.cil.out.i [2019-11-06 23:39:09,549 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68ece1786/acb5d0b133de467f88646113a4b47e9e/FLAG6172a2add [2019-11-06 23:39:10,316 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 23:39:10,316 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--nfc--st21nfca--st21nfca_i2c.ko-entry_point.cil.out.i [2019-11-06 23:39:10,346 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68ece1786/acb5d0b133de467f88646113a4b47e9e/FLAG6172a2add [2019-11-06 23:39:10,397 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68ece1786/acb5d0b133de467f88646113a4b47e9e [2019-11-06 23:39:10,405 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 23:39:10,407 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 23:39:10,408 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 23:39:10,408 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 23:39:10,411 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 23:39:10,413 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:39:10" (1/1) ... [2019-11-06 23:39:10,416 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67a04251 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:39:10, skipping insertion in model container [2019-11-06 23:39:10,416 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:39:10" (1/1) ... [2019-11-06 23:39:10,424 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 23:39:10,514 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 23:39:11,085 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2704] [2019-11-06 23:39:11,085 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] [2019-11-06 23:39:11,904 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 23:39:11,940 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 23:39:12,014 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2704] [2019-11-06 23:39:12,014 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] [2019-11-06 23:39:12,120 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 23:39:12,233 INFO L192 MainTranslator]: Completed translation [2019-11-06 23:39:12,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:39:12 WrapperNode [2019-11-06 23:39:12,233 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 23:39:12,234 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 23:39:12,235 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 23:39:12,235 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 23:39:12,249 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:39:12" (1/1) ... [2019-11-06 23:39:12,250 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:39:12" (1/1) ... [2019-11-06 23:39:12,295 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:39:12" (1/1) ... [2019-11-06 23:39:12,295 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:39:12" (1/1) ... [2019-11-06 23:39:12,426 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:39:12" (1/1) ... [2019-11-06 23:39:12,439 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:39:12" (1/1) ... [2019-11-06 23:39:12,465 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:39:12" (1/1) ... [2019-11-06 23:39:12,510 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 23:39:12,510 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 23:39:12,511 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 23:39:12,511 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 23:39:12,513 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:39:12" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 23:39:12,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 23:39:12,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 23:39:12,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~u32~0 [2019-11-06 23:39:12,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-06 23:39:12,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-06 23:39:12,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-11-06 23:39:12,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-11-06 23:39:12,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-11-06 23:39:12,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-11-06 23:39:12,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-11-06 23:39:12,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-11-06 23:39:12,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-11-06 23:39:12,624 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2019-11-06 23:39:12,624 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-11-06 23:39:12,624 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-11-06 23:39:12,624 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2019-11-06 23:39:12,625 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_set_clientdata [2019-11-06 23:39:12,625 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_functionality [2019-11-06 23:39:12,625 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_check_functionality [2019-11-06 23:39:12,625 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_direction_input [2019-11-06 23:39:12,626 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_direction_output [2019-11-06 23:39:12,626 INFO L138 BoogieDeclarations]: Found implementation of procedure __gpio_set_value [2019-11-06 23:39:12,626 INFO L138 BoogieDeclarations]: Found implementation of procedure __gpio_to_irq [2019-11-06 23:39:12,626 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_set_value [2019-11-06 23:39:12,626 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_to_irq [2019-11-06 23:39:12,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_skb_21 [2019-11-06 23:39:12,627 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_platform_init [2019-11-06 23:39:12,627 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_enable [2019-11-06 23:39:12,627 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_disable [2019-11-06 23:39:12,627 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_add_len_crc [2019-11-06 23:39:12,627 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_remove_len_crc [2019-11-06 23:39:12,628 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_write [2019-11-06 23:39:12,628 INFO L138 BoogieDeclarations]: Found implementation of procedure get_frame_size [2019-11-06 23:39:12,628 INFO L138 BoogieDeclarations]: Found implementation of procedure check_crc [2019-11-06 23:39:12,628 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_repack [2019-11-06 23:39:12,628 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_read [2019-11-06 23:39:12,629 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_irq_thread_fn [2019-11-06 23:39:12,629 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_of_request_resources [2019-11-06 23:39:12,629 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_request_resources [2019-11-06 23:39:12,629 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_probe [2019-11-06 23:39:12,629 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_remove [2019-11-06 23:39:12,629 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_driver_init [2019-11-06 23:39:12,629 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_driver_exit [2019-11-06 23:39:12,630 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_2 [2019-11-06 23:39:12,630 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_2 [2019-11-06 23:39:12,630 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2019-11-06 23:39:12,630 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2019-11-06 23:39:12,630 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2019-11-06 23:39:12,630 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2019-11-06 23:39:12,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2019-11-06 23:39:12,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2019-11-06 23:39:12,631 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2019-11-06 23:39:12,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_i2c_driver_3 [2019-11-06 23:39:12,631 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2019-11-06 23:39:12,631 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 23:39:12,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_16 [2019-11-06 23:39:12,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_devm_request_threaded_irq_19 [2019-11-06 23:39:12,632 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2019-11-06 23:39:12,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_23 [2019-11-06 23:39:12,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_25 [2019-11-06 23:39:12,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_copy_27 [2019-11-06 23:39:12,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_28 [2019-11-06 23:39:12,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_29 [2019-11-06 23:39:12,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_30 [2019-11-06 23:39:12,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_31 [2019-11-06 23:39:12,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_32 [2019-11-06 23:39:12,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_devm_request_threaded_irq_33 [2019-11-06 23:39:12,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-11-06 23:39:12,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2019-11-06 23:39:12,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2019-11-06 23:39:12,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2019-11-06 23:39:12,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2019-11-06 23:39:12,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2019-11-06 23:39:12,636 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_skb [2019-11-06 23:39:12,636 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2019-11-06 23:39:12,637 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2019-11-06 23:39:12,637 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-11-06 23:39:12,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2019-11-06 23:39:12,638 INFO L138 BoogieDeclarations]: Found implementation of procedure crc_ccitt [2019-11-06 23:39:12,638 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-11-06 23:39:12,639 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_gpio_request [2019-11-06 23:39:12,640 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kmalloc [2019-11-06 23:39:12,640 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_request_threaded_irq [2019-11-06 23:39:12,641 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_to_desc [2019-11-06 23:39:12,642 INFO L138 BoogieDeclarations]: Found implementation of procedure gpiod_direction_input [2019-11-06 23:39:12,642 INFO L138 BoogieDeclarations]: Found implementation of procedure gpiod_direction_output_raw [2019-11-06 23:39:12,642 INFO L138 BoogieDeclarations]: Found implementation of procedure gpiod_to_irq [2019-11-06 23:39:12,642 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_del_driver [2019-11-06 23:39:12,643 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_master_recv [2019-11-06 23:39:12,643 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_master_send [2019-11-06 23:39:12,643 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_register_driver [2019-11-06 23:39:12,643 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2019-11-06 23:39:12,644 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2019-11-06 23:39:12,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-11-06 23:39:12,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler1_1 [2019-11-06 23:39:12,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler1_2 [2019-11-06 23:39:12,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-11-06 23:39:12,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2019-11-06 23:39:12,645 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2019-11-06 23:39:12,645 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-11-06 23:39:12,646 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-11-06 23:39:12,646 INFO L138 BoogieDeclarations]: Found implementation of procedure nfc_hci_recv_frame [2019-11-06 23:39:12,646 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2019-11-06 23:39:12,646 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-11-06 23:39:12,647 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2019-11-06 23:39:12,647 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone [2019-11-06 23:39:12,647 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy [2019-11-06 23:39:12,647 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2019-11-06 23:39:12,648 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2019-11-06 23:39:12,648 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-11-06 23:39:12,648 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2019-11-06 23:39:12,648 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_probe [2019-11-06 23:39:12,649 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_remove [2019-11-06 23:39:12,649 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2019-11-06 23:39:12,649 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-11-06 23:39:12,650 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-11-06 23:39:12,650 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-11-06 23:39:12,651 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-06 23:39:12,651 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-06 23:39:12,651 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 23:39:12,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-11-06 23:39:12,653 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-11-06 23:39:12,654 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2019-11-06 23:39:12,654 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2019-11-06 23:39:12,654 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2019-11-06 23:39:12,654 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-11-06 23:39:12,655 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-11-06 23:39:12,655 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-11-06 23:39:12,656 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-11-06 23:39:12,656 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2019-11-06 23:39:12,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_16 [2019-11-06 23:39:12,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-11-06 23:39:12,657 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-06 23:39:12,661 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-06 23:39:12,662 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 23:39:12,662 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-11-06 23:39:12,663 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-06 23:39:12,664 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-11-06 23:39:12,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-06 23:39:12,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-06 23:39:12,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-06 23:39:12,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-06 23:39:12,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-11-06 23:39:12,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-11-06 23:39:12,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-11-06 23:39:12,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-11-06 23:39:12,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-11-06 23:39:12,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-11-06 23:39:12,676 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_2 [2019-11-06 23:39:12,677 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_2 [2019-11-06 23:39:12,677 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2019-11-06 23:39:12,677 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2019-11-06 23:39:12,677 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2019-11-06 23:39:12,677 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2019-11-06 23:39:12,677 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2019-11-06 23:39:12,677 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2019-11-06 23:39:12,678 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2019-11-06 23:39:12,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_i2c_driver_3 [2019-11-06 23:39:12,678 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2019-11-06 23:39:12,678 INFO L130 BoogieDeclarations]: Found specification of procedure crc_ccitt [2019-11-06 23:39:12,678 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kmalloc [2019-11-06 23:39:12,678 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2019-11-06 23:39:12,678 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-11-06 23:39:12,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-06 23:39:12,679 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-11-06 23:39:12,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-06 23:39:12,679 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-11-06 23:39:12,679 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_master_send [2019-11-06 23:39:12,679 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_master_recv [2019-11-06 23:39:12,680 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2019-11-06 23:39:12,680 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_set_clientdata [2019-11-06 23:39:12,680 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_register_driver [2019-11-06 23:39:12,680 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_del_driver [2019-11-06 23:39:12,680 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_functionality [2019-11-06 23:39:12,680 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~u32~0 [2019-11-06 23:39:12,681 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_check_functionality [2019-11-06 23:39:12,681 INFO L130 BoogieDeclarations]: Found specification of procedure gpiod_direction_input [2019-11-06 23:39:12,681 INFO L130 BoogieDeclarations]: Found specification of procedure gpiod_direction_output_raw [2019-11-06 23:39:12,681 INFO L130 BoogieDeclarations]: Found specification of procedure gpiod_to_irq [2019-11-06 23:39:12,681 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_to_desc [2019-11-06 23:39:12,681 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_direction_input [2019-11-06 23:39:12,681 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_direction_output [2019-11-06 23:39:12,682 INFO L130 BoogieDeclarations]: Found specification of procedure __gpio_set_value [2019-11-06 23:39:12,682 INFO L130 BoogieDeclarations]: Found specification of procedure __gpio_to_irq [2019-11-06 23:39:12,682 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_set_value [2019-11-06 23:39:12,682 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_to_irq [2019-11-06 23:39:12,683 INFO L130 BoogieDeclarations]: Found specification of procedure devm_gpio_request [2019-11-06 23:39:12,683 INFO L130 BoogieDeclarations]: Found specification of procedure devm_request_threaded_irq [2019-11-06 23:39:12,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_devm_request_threaded_irq_19 [2019-11-06 23:39:12,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_devm_request_threaded_irq_33 [2019-11-06 23:39:12,683 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2019-11-06 23:39:12,683 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2019-11-06 23:39:12,684 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2019-11-06 23:39:12,684 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_skb [2019-11-06 23:39:12,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_skb_21 [2019-11-06 23:39:12,684 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2019-11-06 23:39:12,684 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone [2019-11-06 23:39:12,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_25 [2019-11-06 23:39:12,685 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy [2019-11-06 23:39:12,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_copy_27 [2019-11-06 23:39:12,685 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2019-11-06 23:39:12,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_23 [2019-11-06 23:39:12,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_31 [2019-11-06 23:39:12,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_32 [2019-11-06 23:39:12,685 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-11-06 23:39:12,686 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2019-11-06 23:39:12,686 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2019-11-06 23:39:12,686 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2019-11-06 23:39:12,686 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2019-11-06 23:39:12,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_28 [2019-11-06 23:39:12,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_29 [2019-11-06 23:39:12,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_30 [2019-11-06 23:39:12,687 INFO L130 BoogieDeclarations]: Found specification of procedure nfc_hci_recv_frame [2019-11-06 23:39:12,687 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_probe [2019-11-06 23:39:12,687 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_remove [2019-11-06 23:39:12,687 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_platform_init [2019-11-06 23:39:12,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-06 23:39:12,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-06 23:39:12,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-06 23:39:12,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-06 23:39:12,688 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_enable [2019-11-06 23:39:12,688 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_disable [2019-11-06 23:39:12,688 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_add_len_crc [2019-11-06 23:39:12,688 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_remove_len_crc [2019-11-06 23:39:12,688 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_write [2019-11-06 23:39:12,688 INFO L130 BoogieDeclarations]: Found specification of procedure get_frame_size [2019-11-06 23:39:12,689 INFO L130 BoogieDeclarations]: Found specification of procedure check_crc [2019-11-06 23:39:12,689 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_repack [2019-11-06 23:39:12,689 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-06 23:39:12,689 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_read [2019-11-06 23:39:12,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-06 23:39:12,689 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_irq_thread_fn [2019-11-06 23:39:12,689 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_of_request_resources [2019-11-06 23:39:12,689 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_request_resources [2019-11-06 23:39:12,690 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_probe [2019-11-06 23:39:12,690 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_remove [2019-11-06 23:39:12,690 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_driver_init [2019-11-06 23:39:12,690 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_driver_exit [2019-11-06 23:39:12,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler1_1 [2019-11-06 23:39:12,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-11-06 23:39:12,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-11-06 23:39:12,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler1_2 [2019-11-06 23:39:12,691 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 23:39:12,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2019-11-06 23:39:12,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2019-11-06 23:39:12,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2019-11-06 23:39:12,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2019-11-06 23:39:12,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2019-11-06 23:39:12,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2019-11-06 23:39:12,692 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-11-06 23:39:12,692 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-11-06 23:39:12,692 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-06 23:39:12,692 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-06 23:39:12,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 23:39:12,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-11-06 23:39:12,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-06 23:39:12,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-06 23:39:12,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 23:39:12,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-11-06 23:39:12,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-06 23:39:12,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-06 23:39:13,950 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-11-06 23:39:18,174 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 23:39:18,175 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-11-06 23:39:18,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:39:18 BoogieIcfgContainer [2019-11-06 23:39:18,178 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 23:39:18,179 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 23:39:18,179 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 23:39:18,187 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 23:39:18,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:39:10" (1/3) ... [2019-11-06 23:39:18,188 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e9d82e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:39:18, skipping insertion in model container [2019-11-06 23:39:18,189 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:39:12" (2/3) ... [2019-11-06 23:39:18,189 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e9d82e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:39:18, skipping insertion in model container [2019-11-06 23:39:18,189 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:39:18" (3/3) ... [2019-11-06 23:39:18,191 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 [2019-11-06 23:39:18,203 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 23:39:18,219 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 23:39:18,234 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 23:39:18,286 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 23:39:18,286 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 23:39:18,286 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 23:39:18,286 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 23:39:18,286 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 23:39:18,286 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 23:39:18,286 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 23:39:18,287 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 23:39:18,329 INFO L276 IsEmpty]: Start isEmpty. Operand 777 states. [2019-11-06 23:39:18,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-11-06 23:39:18,358 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:39:18,359 INFO L410 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] [2019-11-06 23:39:18,362 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:39:18,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:39:18,368 INFO L82 PathProgramCache]: Analyzing trace with hash -707493983, now seen corresponding path program 1 times [2019-11-06 23:39:18,378 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:39:18,378 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388447784] [2019-11-06 23:39:18,379 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:39:18,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:39:19,265 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-11-06 23:39:19,266 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388447784] [2019-11-06 23:39:19,267 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:39:19,267 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-06 23:39:19,268 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710284731] [2019-11-06 23:39:19,274 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-06 23:39:19,276 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:39:19,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-06 23:39:19,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-06 23:39:19,295 INFO L87 Difference]: Start difference. First operand 777 states. Second operand 5 states. [2019-11-06 23:39:19,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:39:19,645 INFO L93 Difference]: Finished difference Result 2056 states and 2679 transitions. [2019-11-06 23:39:19,645 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-06 23:39:19,650 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 83 [2019-11-06 23:39:19,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:39:19,684 INFO L225 Difference]: With dead ends: 2056 [2019-11-06 23:39:19,685 INFO L226 Difference]: Without dead ends: 1328 [2019-11-06 23:39:19,706 INFO L630 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 [2019-11-06 23:39:19,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1328 states. [2019-11-06 23:39:19,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1328 to 1315. [2019-11-06 23:39:19,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1315 states. [2019-11-06 23:39:19,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1315 states to 1315 states and 1684 transitions. [2019-11-06 23:39:19,904 INFO L78 Accepts]: Start accepts. Automaton has 1315 states and 1684 transitions. Word has length 83 [2019-11-06 23:39:19,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:39:19,904 INFO L462 AbstractCegarLoop]: Abstraction has 1315 states and 1684 transitions. [2019-11-06 23:39:19,905 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-06 23:39:19,905 INFO L276 IsEmpty]: Start isEmpty. Operand 1315 states and 1684 transitions. [2019-11-06 23:39:19,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-11-06 23:39:19,912 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:39:19,912 INFO L410 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, 1] [2019-11-06 23:39:19,913 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:39:19,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:39:19,913 INFO L82 PathProgramCache]: Analyzing trace with hash -1008133295, now seen corresponding path program 1 times [2019-11-06 23:39:19,914 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:39:19,914 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680319819] [2019-11-06 23:39:19,914 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:39:20,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:39:20,214 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-11-06 23:39:20,214 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680319819] [2019-11-06 23:39:20,215 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:39:20,215 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-06 23:39:20,215 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346952612] [2019-11-06 23:39:20,217 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-06 23:39:20,217 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:39:20,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-06 23:39:20,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-06 23:39:20,218 INFO L87 Difference]: Start difference. First operand 1315 states and 1684 transitions. Second operand 5 states. [2019-11-06 23:39:20,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:39:20,377 INFO L93 Difference]: Finished difference Result 2844 states and 3648 transitions. [2019-11-06 23:39:20,377 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-06 23:39:20,377 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 84 [2019-11-06 23:39:20,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:39:20,391 INFO L225 Difference]: With dead ends: 2844 [2019-11-06 23:39:20,391 INFO L226 Difference]: Without dead ends: 1983 [2019-11-06 23:39:20,397 INFO L630 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 [2019-11-06 23:39:20,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1983 states. [2019-11-06 23:39:20,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1983 to 1965. [2019-11-06 23:39:20,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1965 states. [2019-11-06 23:39:20,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1965 states to 1965 states and 2515 transitions. [2019-11-06 23:39:20,516 INFO L78 Accepts]: Start accepts. Automaton has 1965 states and 2515 transitions. Word has length 84 [2019-11-06 23:39:20,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:39:20,518 INFO L462 AbstractCegarLoop]: Abstraction has 1965 states and 2515 transitions. [2019-11-06 23:39:20,518 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-06 23:39:20,518 INFO L276 IsEmpty]: Start isEmpty. Operand 1965 states and 2515 transitions. [2019-11-06 23:39:20,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2019-11-06 23:39:20,527 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:39:20,527 INFO L410 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, 1, 1, 1] [2019-11-06 23:39:20,528 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:39:20,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:39:20,528 INFO L82 PathProgramCache]: Analyzing trace with hash 340543681, now seen corresponding path program 1 times [2019-11-06 23:39:20,528 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:39:20,529 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744274484] [2019-11-06 23:39:20,529 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:39:20,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:39:20,805 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-11-06 23:39:20,806 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744274484] [2019-11-06 23:39:20,807 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:39:20,807 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-06 23:39:20,807 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051807038] [2019-11-06 23:39:20,808 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-06 23:39:20,808 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:39:20,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-06 23:39:20,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-06 23:39:20,809 INFO L87 Difference]: Start difference. First operand 1965 states and 2515 transitions. Second operand 5 states. [2019-11-06 23:39:21,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:39:21,029 INFO L93 Difference]: Finished difference Result 5888 states and 7552 transitions. [2019-11-06 23:39:21,030 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-06 23:39:21,030 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 86 [2019-11-06 23:39:21,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:39:21,057 INFO L225 Difference]: With dead ends: 5888 [2019-11-06 23:39:21,057 INFO L226 Difference]: Without dead ends: 3943 [2019-11-06 23:39:21,066 INFO L630 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 [2019-11-06 23:39:21,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3943 states. [2019-11-06 23:39:21,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3943 to 3910. [2019-11-06 23:39:21,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3910 states. [2019-11-06 23:39:21,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3910 states to 3910 states and 5006 transitions. [2019-11-06 23:39:21,325 INFO L78 Accepts]: Start accepts. Automaton has 3910 states and 5006 transitions. Word has length 86 [2019-11-06 23:39:21,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:39:21,326 INFO L462 AbstractCegarLoop]: Abstraction has 3910 states and 5006 transitions. [2019-11-06 23:39:21,326 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-06 23:39:21,326 INFO L276 IsEmpty]: Start isEmpty. Operand 3910 states and 5006 transitions. [2019-11-06 23:39:21,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2019-11-06 23:39:21,331 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:39:21,331 INFO L410 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, 1, 1] [2019-11-06 23:39:21,332 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:39:21,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:39:21,332 INFO L82 PathProgramCache]: Analyzing trace with hash -483555356, now seen corresponding path program 1 times [2019-11-06 23:39:21,332 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:39:21,333 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310999059] [2019-11-06 23:39:21,333 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:39:21,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:39:21,536 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-11-06 23:39:21,537 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310999059] [2019-11-06 23:39:21,537 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:39:21,537 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-06 23:39:21,537 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356743272] [2019-11-06 23:39:21,538 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-06 23:39:21,538 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:39:21,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-06 23:39:21,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-06 23:39:21,539 INFO L87 Difference]: Start difference. First operand 3910 states and 5006 transitions. Second operand 5 states. [2019-11-06 23:39:21,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:39:21,789 INFO L93 Difference]: Finished difference Result 8285 states and 10623 transitions. [2019-11-06 23:39:21,790 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-06 23:39:21,790 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 85 [2019-11-06 23:39:21,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:39:21,821 INFO L225 Difference]: With dead ends: 8285 [2019-11-06 23:39:21,821 INFO L226 Difference]: Without dead ends: 5262 [2019-11-06 23:39:21,832 INFO L630 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 [2019-11-06 23:39:21,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5262 states. [2019-11-06 23:39:22,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5262 to 5223. [2019-11-06 23:39:22,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5223 states. [2019-11-06 23:39:22,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5223 states to 5223 states and 6681 transitions. [2019-11-06 23:39:22,068 INFO L78 Accepts]: Start accepts. Automaton has 5223 states and 6681 transitions. Word has length 85 [2019-11-06 23:39:22,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:39:22,068 INFO L462 AbstractCegarLoop]: Abstraction has 5223 states and 6681 transitions. [2019-11-06 23:39:22,068 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-06 23:39:22,068 INFO L276 IsEmpty]: Start isEmpty. Operand 5223 states and 6681 transitions. [2019-11-06 23:39:22,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2019-11-06 23:39:22,072 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:39:22,072 INFO L410 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, 1, 1, 1] [2019-11-06 23:39:22,073 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:39:22,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:39:22,073 INFO L82 PathProgramCache]: Analyzing trace with hash -147046412, now seen corresponding path program 1 times [2019-11-06 23:39:22,073 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:39:22,073 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042406572] [2019-11-06 23:39:22,074 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:39:22,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:39:22,243 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-11-06 23:39:22,244 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042406572] [2019-11-06 23:39:22,244 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:39:22,244 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-06 23:39:22,245 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810107548] [2019-11-06 23:39:22,245 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-06 23:39:22,245 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:39:22,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-06 23:39:22,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-06 23:39:22,246 INFO L87 Difference]: Start difference. First operand 5223 states and 6681 transitions. Second operand 5 states. [2019-11-06 23:39:22,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:39:22,663 INFO L93 Difference]: Finished difference Result 10883 states and 13939 transitions. [2019-11-06 23:39:22,663 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-06 23:39:22,663 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 86 [2019-11-06 23:39:22,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:39:22,719 INFO L225 Difference]: With dead ends: 10883 [2019-11-06 23:39:22,719 INFO L226 Difference]: Without dead ends: 6545 [2019-11-06 23:39:22,736 INFO L630 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 [2019-11-06 23:39:22,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6545 states. [2019-11-06 23:39:23,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6545 to 6506. [2019-11-06 23:39:23,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6506 states. [2019-11-06 23:39:23,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6506 states to 6506 states and 8312 transitions. [2019-11-06 23:39:23,048 INFO L78 Accepts]: Start accepts. Automaton has 6506 states and 8312 transitions. Word has length 86 [2019-11-06 23:39:23,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:39:23,049 INFO L462 AbstractCegarLoop]: Abstraction has 6506 states and 8312 transitions. [2019-11-06 23:39:23,049 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-06 23:39:23,049 INFO L276 IsEmpty]: Start isEmpty. Operand 6506 states and 8312 transitions. [2019-11-06 23:39:23,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-11-06 23:39:23,056 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:39:23,056 INFO L410 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, 1, 1, 1, 1] [2019-11-06 23:39:23,056 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:39:23,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:39:23,057 INFO L82 PathProgramCache]: Analyzing trace with hash 1503750876, now seen corresponding path program 1 times [2019-11-06 23:39:23,058 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:39:23,058 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444571040] [2019-11-06 23:39:23,058 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:39:23,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:39:23,249 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-11-06 23:39:23,249 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444571040] [2019-11-06 23:39:23,250 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:39:23,250 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-06 23:39:23,250 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140784843] [2019-11-06 23:39:23,250 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-06 23:39:23,251 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:39:23,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-06 23:39:23,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-06 23:39:23,251 INFO L87 Difference]: Start difference. First operand 6506 states and 8312 transitions. Second operand 5 states. [2019-11-06 23:39:23,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:39:23,494 INFO L93 Difference]: Finished difference Result 10878 states and 13904 transitions. [2019-11-06 23:39:23,494 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-06 23:39:23,494 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 87 [2019-11-06 23:39:23,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:39:23,530 INFO L225 Difference]: With dead ends: 10878 [2019-11-06 23:39:23,530 INFO L226 Difference]: Without dead ends: 6586 [2019-11-06 23:39:23,545 INFO L630 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 [2019-11-06 23:39:23,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6586 states. [2019-11-06 23:39:23,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6586 to 6526. [2019-11-06 23:39:23,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6526 states. [2019-11-06 23:39:23,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6526 states to 6526 states and 8322 transitions. [2019-11-06 23:39:23,867 INFO L78 Accepts]: Start accepts. Automaton has 6526 states and 8322 transitions. Word has length 87 [2019-11-06 23:39:23,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:39:23,867 INFO L462 AbstractCegarLoop]: Abstraction has 6526 states and 8322 transitions. [2019-11-06 23:39:23,868 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-06 23:39:23,868 INFO L276 IsEmpty]: Start isEmpty. Operand 6526 states and 8322 transitions. [2019-11-06 23:39:23,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-11-06 23:39:23,874 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:39:23,874 INFO L410 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, 1, 1, 1, 1, 1] [2019-11-06 23:39:23,878 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:39:23,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:39:23,879 INFO L82 PathProgramCache]: Analyzing trace with hash 162930276, now seen corresponding path program 1 times [2019-11-06 23:39:23,879 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:39:23,880 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558965555] [2019-11-06 23:39:23,880 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:39:23,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:39:24,098 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-11-06 23:39:24,099 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558965555] [2019-11-06 23:39:24,099 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:39:24,100 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-06 23:39:24,100 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028533886] [2019-11-06 23:39:24,101 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-06 23:39:24,101 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:39:24,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-06 23:39:24,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-06 23:39:24,102 INFO L87 Difference]: Start difference. First operand 6526 states and 8322 transitions. Second operand 5 states. [2019-11-06 23:39:24,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:39:24,450 INFO L93 Difference]: Finished difference Result 10923 states and 13924 transitions. [2019-11-06 23:39:24,450 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-06 23:39:24,450 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 88 [2019-11-06 23:39:24,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:39:24,491 INFO L225 Difference]: With dead ends: 10923 [2019-11-06 23:39:24,492 INFO L226 Difference]: Without dead ends: 6606 [2019-11-06 23:39:24,507 INFO L630 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 [2019-11-06 23:39:24,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6606 states. [2019-11-06 23:39:24,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6606 to 6546. [2019-11-06 23:39:24,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6546 states. [2019-11-06 23:39:24,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6546 states to 6546 states and 8332 transitions. [2019-11-06 23:39:24,787 INFO L78 Accepts]: Start accepts. Automaton has 6546 states and 8332 transitions. Word has length 88 [2019-11-06 23:39:24,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:39:24,787 INFO L462 AbstractCegarLoop]: Abstraction has 6546 states and 8332 transitions. [2019-11-06 23:39:24,787 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-06 23:39:24,788 INFO L276 IsEmpty]: Start isEmpty. Operand 6546 states and 8332 transitions. [2019-11-06 23:39:24,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-11-06 23:39:24,793 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:39:24,794 INFO L410 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, 1, 1, 1, 1, 1, 1] [2019-11-06 23:39:24,794 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:39:24,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:39:24,794 INFO L82 PathProgramCache]: Analyzing trace with hash -1493340641, now seen corresponding path program 1 times [2019-11-06 23:39:24,795 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:39:24,795 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585975986] [2019-11-06 23:39:24,795 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:39:24,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:39:24,982 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-11-06 23:39:24,983 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585975986] [2019-11-06 23:39:24,983 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:39:24,983 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-06 23:39:24,983 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536940327] [2019-11-06 23:39:24,984 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-06 23:39:24,984 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:39:24,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-06 23:39:24,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-06 23:39:24,985 INFO L87 Difference]: Start difference. First operand 6546 states and 8332 transitions. Second operand 5 states. [2019-11-06 23:39:25,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:39:25,245 INFO L93 Difference]: Finished difference Result 10714 states and 13601 transitions. [2019-11-06 23:39:25,245 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-06 23:39:25,246 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 89 [2019-11-06 23:39:25,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:39:25,273 INFO L225 Difference]: With dead ends: 10714 [2019-11-06 23:39:25,273 INFO L226 Difference]: Without dead ends: 6372 [2019-11-06 23:39:25,295 INFO L630 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 [2019-11-06 23:39:25,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6372 states. [2019-11-06 23:39:25,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6372 to 6327. [2019-11-06 23:39:25,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6327 states. [2019-11-06 23:39:25,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6327 states to 6327 states and 8009 transitions. [2019-11-06 23:39:25,619 INFO L78 Accepts]: Start accepts. Automaton has 6327 states and 8009 transitions. Word has length 89 [2019-11-06 23:39:25,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:39:25,622 INFO L462 AbstractCegarLoop]: Abstraction has 6327 states and 8009 transitions. [2019-11-06 23:39:25,622 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-06 23:39:25,622 INFO L276 IsEmpty]: Start isEmpty. Operand 6327 states and 8009 transitions. [2019-11-06 23:39:25,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-11-06 23:39:25,629 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:39:25,629 INFO L410 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, 1, 1, 1, 1, 1, 1] [2019-11-06 23:39:25,630 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:39:25,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:39:25,630 INFO L82 PathProgramCache]: Analyzing trace with hash 601773685, now seen corresponding path program 1 times [2019-11-06 23:39:25,630 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:39:25,631 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769524439] [2019-11-06 23:39:25,631 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:39:25,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:39:25,861 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2019-11-06 23:39:25,861 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769524439] [2019-11-06 23:39:25,861 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [577217877] [2019-11-06 23:39:25,862 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 [2019-11-06 23:39:26,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:39:26,703 INFO L256 TraceCheckSpWp]: Trace formula consists of 2234 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-06 23:39:26,734 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 23:39:26,798 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2019-11-06 23:39:26,798 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-06 23:39:26,915 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2019-11-06 23:39:26,916 INFO L218 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-11-06 23:39:26,916 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [9] total 10 [2019-11-06 23:39:26,917 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314168479] [2019-11-06 23:39:26,917 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 23:39:26,917 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:39:26,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 23:39:26,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-11-06 23:39:26,918 INFO L87 Difference]: Start difference. First operand 6327 states and 8009 transitions. Second operand 3 states. [2019-11-06 23:39:27,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:39:27,214 INFO L93 Difference]: Finished difference Result 12180 states and 15496 transitions. [2019-11-06 23:39:27,216 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 23:39:27,216 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 99 [2019-11-06 23:39:27,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:39:27,255 INFO L225 Difference]: With dead ends: 12180 [2019-11-06 23:39:27,255 INFO L226 Difference]: Without dead ends: 6336 [2019-11-06 23:39:27,274 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-11-06 23:39:27,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6336 states. [2019-11-06 23:39:27,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6336 to 6336. [2019-11-06 23:39:27,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6336 states. [2019-11-06 23:39:27,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6336 states to 6336 states and 8018 transitions. [2019-11-06 23:39:27,532 INFO L78 Accepts]: Start accepts. Automaton has 6336 states and 8018 transitions. Word has length 99 [2019-11-06 23:39:27,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:39:27,533 INFO L462 AbstractCegarLoop]: Abstraction has 6336 states and 8018 transitions. [2019-11-06 23:39:27,533 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 23:39:27,533 INFO L276 IsEmpty]: Start isEmpty. Operand 6336 states and 8018 transitions. [2019-11-06 23:39:27,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-11-06 23:39:27,539 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:39:27,539 INFO L410 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, 1, 1, 1, 1, 1, 1] [2019-11-06 23:39:27,757 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 23:39:27,757 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:39:27,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:39:27,758 INFO L82 PathProgramCache]: Analyzing trace with hash 92300595, now seen corresponding path program 1 times [2019-11-06 23:39:27,758 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:39:27,758 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848839300] [2019-11-06 23:39:27,758 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:39:27,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:39:28,660 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2019-11-06 23:39:28,660 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848839300] [2019-11-06 23:39:28,661 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1455806444] [2019-11-06 23:39:28,661 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 23:39:29,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:39:29,516 INFO L256 TraceCheckSpWp]: Trace formula consists of 2241 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-06 23:39:29,523 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 23:39:29,556 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2019-11-06 23:39:29,557 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-06 23:39:29,625 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2019-11-06 23:39:29,626 INFO L218 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-11-06 23:39:29,626 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [9] total 10 [2019-11-06 23:39:29,627 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501100696] [2019-11-06 23:39:29,627 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 23:39:29,628 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:39:29,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 23:39:29,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-11-06 23:39:29,629 INFO L87 Difference]: Start difference. First operand 6336 states and 8018 transitions. Second operand 3 states. [2019-11-06 23:39:29,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:39:29,768 INFO L93 Difference]: Finished difference Result 6336 states and 8018 transitions. [2019-11-06 23:39:29,769 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 23:39:29,769 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 99 [2019-11-06 23:39:29,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:39:29,770 INFO L225 Difference]: With dead ends: 6336 [2019-11-06 23:39:29,770 INFO L226 Difference]: Without dead ends: 0 [2019-11-06 23:39:29,786 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-11-06 23:39:29,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-06 23:39:29,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-06 23:39:29,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-06 23:39:29,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-06 23:39:29,788 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 99 [2019-11-06 23:39:29,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:39:29,788 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-06 23:39:29,788 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 23:39:29,788 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-06 23:39:29,789 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-06 23:39:29,997 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 23:39:30,003 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-06 23:39:34,025 WARN L191 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 38 [2019-11-06 23:39:35,085 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 38 [2019-11-06 23:39:35,550 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 38 [2019-11-06 23:39:35,704 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 18 [2019-11-06 23:39:35,928 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 38 [2019-11-06 23:39:36,311 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 38 [2019-11-06 23:39:36,664 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 38 [2019-11-06 23:39:36,889 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 38 [2019-11-06 23:39:37,391 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 38 [2019-11-06 23:39:37,815 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 22 [2019-11-06 23:39:38,390 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 35 [2019-11-06 23:39:38,666 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 38 [2019-11-06 23:39:38,891 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 38 [2019-11-06 23:39:39,930 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 38 [2019-11-06 23:39:41,061 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 38 [2019-11-06 23:39:42,294 WARN L191 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 20 [2019-11-06 23:39:42,800 WARN L191 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 38 [2019-11-06 23:39:43,425 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 38