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 0.1.24-13a467a-m [2019-10-15 00:33:47,619 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 00:33:47,622 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 00:33:47,642 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 00:33:47,642 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 00:33:47,644 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 00:33:47,646 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 00:33:47,657 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 00:33:47,661 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 00:33:47,666 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 00:33:47,667 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 00:33:47,669 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 00:33:47,669 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 00:33:47,671 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 00:33:47,673 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 00:33:47,675 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 00:33:47,676 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 00:33:47,677 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 00:33:47,679 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 00:33:47,684 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 00:33:47,689 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 00:33:47,692 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 00:33:47,695 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 00:33:47,695 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 00:33:47,697 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 00:33:47,697 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 00:33:47,698 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 00:33:47,699 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 00:33:47,700 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 00:33:47,701 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 00:33:47,701 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 00:33:47,703 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 00:33:47,704 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 00:33:47,705 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 00:33:47,707 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 00:33:47,707 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 00:33:47,708 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 00:33:47,708 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 00:33:47,708 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 00:33:47,709 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 00:33:47,710 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 00:33:47,711 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 00:33:47,751 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 00:33:47,751 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 00:33:47,752 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 00:33:47,753 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 00:33:47,753 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 00:33:47,753 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 00:33:47,753 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 00:33:47,753 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 00:33:47,754 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 00:33:47,754 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 00:33:47,754 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 00:33:47,754 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 00:33:47,754 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 00:33:47,755 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 00:33:47,755 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 00:33:47,755 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 00:33:47,759 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 00:33:47,760 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 00:33:47,760 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 00:33:47,760 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 00:33:47,760 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 00:33:47,760 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 00:33:47,761 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 00:33:47,762 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 00:33:47,763 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 00:33:47,763 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 00:33:47,763 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 00:33:47,763 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 00:33:47,763 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-15 00:33:48,054 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 00:33:48,073 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 00:33:48,076 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 00:33:48,078 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 00:33:48,078 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 00:33:48,079 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--nfc--st21nfca--st21nfca_i2c.ko-entry_point.cil.out.i [2019-10-15 00:33:48,160 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/521d0d2e7/417e985e8965455daa692d0571237e75/FLAG437c1285f [2019-10-15 00:33:48,889 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 00:33:48,890 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--nfc--st21nfca--st21nfca_i2c.ko-entry_point.cil.out.i [2019-10-15 00:33:48,923 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/521d0d2e7/417e985e8965455daa692d0571237e75/FLAG437c1285f [2019-10-15 00:33:49,035 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/521d0d2e7/417e985e8965455daa692d0571237e75 [2019-10-15 00:33:49,045 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 00:33:49,047 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 00:33:49,048 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 00:33:49,048 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 00:33:49,052 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 00:33:49,052 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:33:49" (1/1) ... [2019-10-15 00:33:49,055 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22fefd9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:33:49, skipping insertion in model container [2019-10-15 00:33:49,056 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:33:49" (1/1) ... [2019-10-15 00:33:49,064 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 00:33:49,165 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 00:33:49,823 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2704] [2019-10-15 00:33:49,824 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2705-2706] [2019-10-15 00:33:50,470 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 00:33:50,512 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 00:33:50,614 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2704] [2019-10-15 00:33:50,615 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2705-2706] [2019-10-15 00:33:50,812 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 00:33:50,958 INFO L192 MainTranslator]: Completed translation [2019-10-15 00:33:50,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:33:50 WrapperNode [2019-10-15 00:33:50,959 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 00:33:50,960 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 00:33:50,960 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 00:33:50,960 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 00:33:50,979 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:33:50" (1/1) ... [2019-10-15 00:33:50,979 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:33:50" (1/1) ... [2019-10-15 00:33:51,048 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:33:50" (1/1) ... [2019-10-15 00:33:51,049 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:33:50" (1/1) ... [2019-10-15 00:33:51,235 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:33:50" (1/1) ... [2019-10-15 00:33:51,265 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:33:50" (1/1) ... [2019-10-15 00:33:51,283 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:33:50" (1/1) ... [2019-10-15 00:33:51,308 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 00:33:51,312 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 00:33:51,312 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 00:33:51,312 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 00:33:51,314 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:33:50" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 00:33:51,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 00:33:51,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 00:33:51,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~u32~0 [2019-10-15 00:33:51,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-15 00:33:51,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-15 00:33:51,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-15 00:33:51,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-15 00:33:51,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-15 00:33:51,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-15 00:33:51,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-15 00:33:51,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-15 00:33:51,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-15 00:33:51,426 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2019-10-15 00:33:51,426 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-15 00:33:51,427 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-15 00:33:51,427 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2019-10-15 00:33:51,427 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_set_clientdata [2019-10-15 00:33:51,428 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_functionality [2019-10-15 00:33:51,428 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_check_functionality [2019-10-15 00:33:51,428 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_direction_input [2019-10-15 00:33:51,428 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_direction_output [2019-10-15 00:33:51,428 INFO L138 BoogieDeclarations]: Found implementation of procedure __gpio_set_value [2019-10-15 00:33:51,428 INFO L138 BoogieDeclarations]: Found implementation of procedure __gpio_to_irq [2019-10-15 00:33:51,429 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_set_value [2019-10-15 00:33:51,429 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_to_irq [2019-10-15 00:33:51,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_skb_21 [2019-10-15 00:33:51,429 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_platform_init [2019-10-15 00:33:51,429 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_enable [2019-10-15 00:33:51,429 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_disable [2019-10-15 00:33:51,430 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_add_len_crc [2019-10-15 00:33:51,430 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_remove_len_crc [2019-10-15 00:33:51,431 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_write [2019-10-15 00:33:51,431 INFO L138 BoogieDeclarations]: Found implementation of procedure get_frame_size [2019-10-15 00:33:51,431 INFO L138 BoogieDeclarations]: Found implementation of procedure check_crc [2019-10-15 00:33:51,431 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_repack [2019-10-15 00:33:51,431 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_read [2019-10-15 00:33:51,432 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_irq_thread_fn [2019-10-15 00:33:51,432 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_of_request_resources [2019-10-15 00:33:51,432 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_request_resources [2019-10-15 00:33:51,432 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_probe [2019-10-15 00:33:51,433 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_remove [2019-10-15 00:33:51,433 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_driver_init [2019-10-15 00:33:51,433 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_driver_exit [2019-10-15 00:33:51,433 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_2 [2019-10-15 00:33:51,434 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_2 [2019-10-15 00:33:51,434 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2019-10-15 00:33:51,434 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2019-10-15 00:33:51,434 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2019-10-15 00:33:51,434 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2019-10-15 00:33:51,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2019-10-15 00:33:51,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2019-10-15 00:33:51,435 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2019-10-15 00:33:51,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_i2c_driver_3 [2019-10-15 00:33:51,436 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2019-10-15 00:33:51,436 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 00:33:51,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_16 [2019-10-15 00:33:51,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_devm_request_threaded_irq_19 [2019-10-15 00:33:51,436 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2019-10-15 00:33:51,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_23 [2019-10-15 00:33:51,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_25 [2019-10-15 00:33:51,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_copy_27 [2019-10-15 00:33:51,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_28 [2019-10-15 00:33:51,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_29 [2019-10-15 00:33:51,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_30 [2019-10-15 00:33:51,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_31 [2019-10-15 00:33:51,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_32 [2019-10-15 00:33:51,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_devm_request_threaded_irq_33 [2019-10-15 00:33:51,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-10-15 00:33:51,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-15 00:33:51,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2019-10-15 00:33:51,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2019-10-15 00:33:51,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2019-10-15 00:33:51,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2019-10-15 00:33:51,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_skb [2019-10-15 00:33:51,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2019-10-15 00:33:51,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2019-10-15 00:33:51,441 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-15 00:33:51,441 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2019-10-15 00:33:51,441 INFO L138 BoogieDeclarations]: Found implementation of procedure crc_ccitt [2019-10-15 00:33:51,441 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-10-15 00:33:51,442 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_gpio_request [2019-10-15 00:33:51,442 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kmalloc [2019-10-15 00:33:51,442 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_request_threaded_irq [2019-10-15 00:33:51,443 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_to_desc [2019-10-15 00:33:51,443 INFO L138 BoogieDeclarations]: Found implementation of procedure gpiod_direction_input [2019-10-15 00:33:51,443 INFO L138 BoogieDeclarations]: Found implementation of procedure gpiod_direction_output_raw [2019-10-15 00:33:51,443 INFO L138 BoogieDeclarations]: Found implementation of procedure gpiod_to_irq [2019-10-15 00:33:51,443 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_del_driver [2019-10-15 00:33:51,444 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_master_recv [2019-10-15 00:33:51,444 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_master_send [2019-10-15 00:33:51,444 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_register_driver [2019-10-15 00:33:51,444 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2019-10-15 00:33:51,445 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2019-10-15 00:33:51,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-15 00:33:51,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler1_1 [2019-10-15 00:33:51,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler1_2 [2019-10-15 00:33:51,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-15 00:33:51,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2019-10-15 00:33:51,446 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2019-10-15 00:33:51,446 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-10-15 00:33:51,446 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-15 00:33:51,447 INFO L138 BoogieDeclarations]: Found implementation of procedure nfc_hci_recv_frame [2019-10-15 00:33:51,447 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2019-10-15 00:33:51,447 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-15 00:33:51,447 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2019-10-15 00:33:51,448 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone [2019-10-15 00:33:51,448 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy [2019-10-15 00:33:51,448 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2019-10-15 00:33:51,448 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2019-10-15 00:33:51,448 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-10-15 00:33:51,449 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2019-10-15 00:33:51,449 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_probe [2019-10-15 00:33:51,449 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_remove [2019-10-15 00:33:51,450 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2019-10-15 00:33:51,450 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-10-15 00:33:51,450 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-15 00:33:51,451 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-15 00:33:51,451 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-15 00:33:51,451 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-15 00:33:51,452 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 00:33:51,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-15 00:33:51,453 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-15 00:33:51,453 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2019-10-15 00:33:51,453 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2019-10-15 00:33:51,454 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2019-10-15 00:33:51,454 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-10-15 00:33:51,454 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-15 00:33:51,455 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-10-15 00:33:51,455 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-15 00:33:51,456 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2019-10-15 00:33:51,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_16 [2019-10-15 00:33:51,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-10-15 00:33:51,457 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 00:33:51,461 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-15 00:33:51,462 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 00:33:51,462 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-15 00:33:51,463 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-15 00:33:51,463 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-15 00:33:51,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-15 00:33:51,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 00:33:51,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-15 00:33:51,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-15 00:33:51,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-15 00:33:51,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-15 00:33:51,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-15 00:33:51,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-15 00:33:51,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-15 00:33:51,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-15 00:33:51,475 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_2 [2019-10-15 00:33:51,475 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_2 [2019-10-15 00:33:51,475 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2019-10-15 00:33:51,475 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2019-10-15 00:33:51,476 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2019-10-15 00:33:51,476 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2019-10-15 00:33:51,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2019-10-15 00:33:51,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2019-10-15 00:33:51,476 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2019-10-15 00:33:51,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_i2c_driver_3 [2019-10-15 00:33:51,477 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2019-10-15 00:33:51,477 INFO L130 BoogieDeclarations]: Found specification of procedure crc_ccitt [2019-10-15 00:33:51,477 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kmalloc [2019-10-15 00:33:51,477 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2019-10-15 00:33:51,478 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-15 00:33:51,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 00:33:51,478 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-15 00:33:51,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 00:33:51,479 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-10-15 00:33:51,479 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_master_send [2019-10-15 00:33:51,479 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_master_recv [2019-10-15 00:33:51,479 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2019-10-15 00:33:51,479 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_set_clientdata [2019-10-15 00:33:51,480 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_register_driver [2019-10-15 00:33:51,480 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_del_driver [2019-10-15 00:33:51,480 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_functionality [2019-10-15 00:33:51,480 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~u32~0 [2019-10-15 00:33:51,480 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_check_functionality [2019-10-15 00:33:51,481 INFO L130 BoogieDeclarations]: Found specification of procedure gpiod_direction_input [2019-10-15 00:33:51,481 INFO L130 BoogieDeclarations]: Found specification of procedure gpiod_direction_output_raw [2019-10-15 00:33:51,481 INFO L130 BoogieDeclarations]: Found specification of procedure gpiod_to_irq [2019-10-15 00:33:51,481 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_to_desc [2019-10-15 00:33:51,482 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_direction_input [2019-10-15 00:33:51,482 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_direction_output [2019-10-15 00:33:51,482 INFO L130 BoogieDeclarations]: Found specification of procedure __gpio_set_value [2019-10-15 00:33:51,482 INFO L130 BoogieDeclarations]: Found specification of procedure __gpio_to_irq [2019-10-15 00:33:51,482 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_set_value [2019-10-15 00:33:51,483 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_to_irq [2019-10-15 00:33:51,483 INFO L130 BoogieDeclarations]: Found specification of procedure devm_gpio_request [2019-10-15 00:33:51,483 INFO L130 BoogieDeclarations]: Found specification of procedure devm_request_threaded_irq [2019-10-15 00:33:51,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_devm_request_threaded_irq_19 [2019-10-15 00:33:51,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_devm_request_threaded_irq_33 [2019-10-15 00:33:51,484 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2019-10-15 00:33:51,484 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2019-10-15 00:33:51,484 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2019-10-15 00:33:51,484 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_skb [2019-10-15 00:33:51,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_skb_21 [2019-10-15 00:33:51,485 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2019-10-15 00:33:51,485 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone [2019-10-15 00:33:51,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_25 [2019-10-15 00:33:51,485 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy [2019-10-15 00:33:51,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_copy_27 [2019-10-15 00:33:51,486 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2019-10-15 00:33:51,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_23 [2019-10-15 00:33:51,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_31 [2019-10-15 00:33:51,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_32 [2019-10-15 00:33:51,487 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-10-15 00:33:51,487 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2019-10-15 00:33:51,487 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2019-10-15 00:33:51,487 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2019-10-15 00:33:51,487 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2019-10-15 00:33:51,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_28 [2019-10-15 00:33:51,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_29 [2019-10-15 00:33:51,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_30 [2019-10-15 00:33:51,488 INFO L130 BoogieDeclarations]: Found specification of procedure nfc_hci_recv_frame [2019-10-15 00:33:51,488 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_probe [2019-10-15 00:33:51,489 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_remove [2019-10-15 00:33:51,489 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_platform_init [2019-10-15 00:33:51,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 00:33:51,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 00:33:51,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 00:33:51,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 00:33:51,489 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_enable [2019-10-15 00:33:51,490 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_disable [2019-10-15 00:33:51,490 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_add_len_crc [2019-10-15 00:33:51,490 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_remove_len_crc [2019-10-15 00:33:51,490 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_write [2019-10-15 00:33:51,490 INFO L130 BoogieDeclarations]: Found specification of procedure get_frame_size [2019-10-15 00:33:51,490 INFO L130 BoogieDeclarations]: Found specification of procedure check_crc [2019-10-15 00:33:51,491 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_repack [2019-10-15 00:33:51,491 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-15 00:33:51,491 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_read [2019-10-15 00:33:51,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-15 00:33:51,491 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_irq_thread_fn [2019-10-15 00:33:51,491 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_of_request_resources [2019-10-15 00:33:51,491 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_request_resources [2019-10-15 00:33:51,492 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_probe [2019-10-15 00:33:51,492 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_remove [2019-10-15 00:33:51,492 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_driver_init [2019-10-15 00:33:51,492 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_driver_exit [2019-10-15 00:33:51,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler1_1 [2019-10-15 00:33:51,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-15 00:33:51,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-15 00:33:51,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler1_2 [2019-10-15 00:33:51,493 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 00:33:51,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2019-10-15 00:33:51,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-15 00:33:51,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2019-10-15 00:33:51,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2019-10-15 00:33:51,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2019-10-15 00:33:51,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2019-10-15 00:33:51,494 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-15 00:33:51,494 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-10-15 00:33:51,494 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 00:33:51,495 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-15 00:33:51,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 00:33:51,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-15 00:33:51,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 00:33:51,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-15 00:33:51,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 00:33:51,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-15 00:33:51,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-15 00:33:51,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-15 00:33:52,636 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-15 00:33:57,065 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 00:33:57,066 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-15 00:33:57,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:33:57 BoogieIcfgContainer [2019-10-15 00:33:57,068 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 00:33:57,070 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 00:33:57,070 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 00:33:57,077 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 00:33:57,077 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 12:33:49" (1/3) ... [2019-10-15 00:33:57,078 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d685410 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 12:33:57, skipping insertion in model container [2019-10-15 00:33:57,078 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:33:50" (2/3) ... [2019-10-15 00:33:57,079 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d685410 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 12:33:57, skipping insertion in model container [2019-10-15 00:33:57,080 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:33:57" (3/3) ... [2019-10-15 00:33:57,082 INFO L109 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--nfc--st21nfca--st21nfca_i2c.ko-entry_point.cil.out.i [2019-10-15 00:33:57,091 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 00:33:57,111 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 00:33:57,120 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 00:33:57,158 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 00:33:57,159 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 00:33:57,159 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 00:33:57,159 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 00:33:57,160 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 00:33:57,160 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 00:33:57,160 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 00:33:57,160 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 00:33:57,208 INFO L276 IsEmpty]: Start isEmpty. Operand 777 states. [2019-10-15 00:33:57,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-10-15 00:33:57,229 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:33:57,230 INFO L380 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 00:33:57,232 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:33:57,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:33:57,238 INFO L82 PathProgramCache]: Analyzing trace with hash -707493983, now seen corresponding path program 1 times [2019-10-15 00:33:57,247 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:33:57,248 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645098742] [2019-10-15 00:33:57,248 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:33:57,248 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:33:57,248 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:33:57,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:33:58,124 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-10-15 00:33:58,125 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645098742] [2019-10-15 00:33:58,125 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:33:58,126 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 00:33:58,126 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855428898] [2019-10-15 00:33:58,131 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 00:33:58,133 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:33:58,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 00:33:58,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 00:33:58,151 INFO L87 Difference]: Start difference. First operand 777 states. Second operand 5 states. [2019-10-15 00:33:58,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:33:58,443 INFO L93 Difference]: Finished difference Result 2056 states and 2679 transitions. [2019-10-15 00:33:58,443 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 00:33:58,445 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 83 [2019-10-15 00:33:58,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:33:58,486 INFO L225 Difference]: With dead ends: 2056 [2019-10-15 00:33:58,486 INFO L226 Difference]: Without dead ends: 1328 [2019-10-15 00:33:58,499 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-15 00:33:58,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1328 states. [2019-10-15 00:33:58,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1328 to 1315. [2019-10-15 00:33:58,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1315 states. [2019-10-15 00:33:58,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1315 states to 1315 states and 1684 transitions. [2019-10-15 00:33:58,692 INFO L78 Accepts]: Start accepts. Automaton has 1315 states and 1684 transitions. Word has length 83 [2019-10-15 00:33:58,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:33:58,692 INFO L462 AbstractCegarLoop]: Abstraction has 1315 states and 1684 transitions. [2019-10-15 00:33:58,692 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 00:33:58,693 INFO L276 IsEmpty]: Start isEmpty. Operand 1315 states and 1684 transitions. [2019-10-15 00:33:58,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-10-15 00:33:58,701 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:33:58,702 INFO L380 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 00:33:58,702 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:33:58,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:33:58,702 INFO L82 PathProgramCache]: Analyzing trace with hash -1008133295, now seen corresponding path program 1 times [2019-10-15 00:33:58,703 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:33:58,703 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239902817] [2019-10-15 00:33:58,703 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:33:58,703 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:33:58,703 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:33:58,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:33:58,982 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-10-15 00:33:58,983 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239902817] [2019-10-15 00:33:58,983 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:33:58,983 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 00:33:58,984 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50385920] [2019-10-15 00:33:58,987 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 00:33:58,988 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:33:58,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 00:33:58,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 00:33:58,989 INFO L87 Difference]: Start difference. First operand 1315 states and 1684 transitions. Second operand 5 states. [2019-10-15 00:33:59,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:33:59,196 INFO L93 Difference]: Finished difference Result 2844 states and 3648 transitions. [2019-10-15 00:33:59,197 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 00:33:59,197 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 84 [2019-10-15 00:33:59,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:33:59,209 INFO L225 Difference]: With dead ends: 2844 [2019-10-15 00:33:59,209 INFO L226 Difference]: Without dead ends: 1983 [2019-10-15 00:33:59,213 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-15 00:33:59,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1983 states. [2019-10-15 00:33:59,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1983 to 1965. [2019-10-15 00:33:59,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1965 states. [2019-10-15 00:33:59,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1965 states to 1965 states and 2515 transitions. [2019-10-15 00:33:59,302 INFO L78 Accepts]: Start accepts. Automaton has 1965 states and 2515 transitions. Word has length 84 [2019-10-15 00:33:59,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:33:59,303 INFO L462 AbstractCegarLoop]: Abstraction has 1965 states and 2515 transitions. [2019-10-15 00:33:59,303 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 00:33:59,303 INFO L276 IsEmpty]: Start isEmpty. Operand 1965 states and 2515 transitions. [2019-10-15 00:33:59,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2019-10-15 00:33:59,307 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:33:59,307 INFO L380 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 00:33:59,307 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:33:59,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:33:59,308 INFO L82 PathProgramCache]: Analyzing trace with hash 340543681, now seen corresponding path program 1 times [2019-10-15 00:33:59,308 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:33:59,308 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620276958] [2019-10-15 00:33:59,309 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:33:59,309 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:33:59,309 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:33:59,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:33:59,522 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-10-15 00:33:59,522 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620276958] [2019-10-15 00:33:59,523 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:33:59,523 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 00:33:59,523 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487708367] [2019-10-15 00:33:59,524 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 00:33:59,524 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:33:59,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 00:33:59,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 00:33:59,526 INFO L87 Difference]: Start difference. First operand 1965 states and 2515 transitions. Second operand 5 states. [2019-10-15 00:33:59,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:33:59,796 INFO L93 Difference]: Finished difference Result 5888 states and 7552 transitions. [2019-10-15 00:33:59,797 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 00:33:59,797 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 86 [2019-10-15 00:33:59,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:33:59,828 INFO L225 Difference]: With dead ends: 5888 [2019-10-15 00:33:59,828 INFO L226 Difference]: Without dead ends: 3943 [2019-10-15 00:33:59,838 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-15 00:33:59,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3943 states. [2019-10-15 00:33:59,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3943 to 3910. [2019-10-15 00:33:59,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3910 states. [2019-10-15 00:34:00,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3910 states to 3910 states and 5006 transitions. [2019-10-15 00:34:00,017 INFO L78 Accepts]: Start accepts. Automaton has 3910 states and 5006 transitions. Word has length 86 [2019-10-15 00:34:00,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:34:00,020 INFO L462 AbstractCegarLoop]: Abstraction has 3910 states and 5006 transitions. [2019-10-15 00:34:00,020 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 00:34:00,020 INFO L276 IsEmpty]: Start isEmpty. Operand 3910 states and 5006 transitions. [2019-10-15 00:34:00,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2019-10-15 00:34:00,025 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:34:00,025 INFO L380 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 00:34:00,026 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:34:00,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:34:00,026 INFO L82 PathProgramCache]: Analyzing trace with hash -483555356, now seen corresponding path program 1 times [2019-10-15 00:34:00,026 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:34:00,026 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401012083] [2019-10-15 00:34:00,027 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:34:00,027 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:34:00,027 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:34:00,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:34:00,254 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-10-15 00:34:00,255 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401012083] [2019-10-15 00:34:00,255 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:34:00,255 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 00:34:00,255 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722662815] [2019-10-15 00:34:00,257 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 00:34:00,257 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:34:00,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 00:34:00,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 00:34:00,259 INFO L87 Difference]: Start difference. First operand 3910 states and 5006 transitions. Second operand 5 states. [2019-10-15 00:34:00,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:34:00,577 INFO L93 Difference]: Finished difference Result 8285 states and 10623 transitions. [2019-10-15 00:34:00,578 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 00:34:00,578 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 85 [2019-10-15 00:34:00,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:34:00,612 INFO L225 Difference]: With dead ends: 8285 [2019-10-15 00:34:00,612 INFO L226 Difference]: Without dead ends: 5262 [2019-10-15 00:34:00,624 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-15 00:34:00,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5262 states. [2019-10-15 00:34:00,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5262 to 5223. [2019-10-15 00:34:00,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5223 states. [2019-10-15 00:34:00,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5223 states to 5223 states and 6681 transitions. [2019-10-15 00:34:00,843 INFO L78 Accepts]: Start accepts. Automaton has 5223 states and 6681 transitions. Word has length 85 [2019-10-15 00:34:00,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:34:00,844 INFO L462 AbstractCegarLoop]: Abstraction has 5223 states and 6681 transitions. [2019-10-15 00:34:00,844 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 00:34:00,844 INFO L276 IsEmpty]: Start isEmpty. Operand 5223 states and 6681 transitions. [2019-10-15 00:34:00,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2019-10-15 00:34:00,848 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:34:00,849 INFO L380 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 00:34:00,849 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:34:00,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:34:00,850 INFO L82 PathProgramCache]: Analyzing trace with hash -147046412, now seen corresponding path program 1 times [2019-10-15 00:34:00,850 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:34:00,851 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457461728] [2019-10-15 00:34:00,851 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:34:00,851 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:34:00,851 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:34:00,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:34:01,061 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-10-15 00:34:01,061 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457461728] [2019-10-15 00:34:01,061 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:34:01,062 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 00:34:01,062 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413409458] [2019-10-15 00:34:01,063 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 00:34:01,063 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:34:01,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 00:34:01,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 00:34:01,064 INFO L87 Difference]: Start difference. First operand 5223 states and 6681 transitions. Second operand 5 states. [2019-10-15 00:34:01,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:34:01,348 INFO L93 Difference]: Finished difference Result 10883 states and 13939 transitions. [2019-10-15 00:34:01,349 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 00:34:01,349 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 86 [2019-10-15 00:34:01,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:34:01,408 INFO L225 Difference]: With dead ends: 10883 [2019-10-15 00:34:01,408 INFO L226 Difference]: Without dead ends: 6545 [2019-10-15 00:34:01,430 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-15 00:34:01,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6545 states. [2019-10-15 00:34:01,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6545 to 6506. [2019-10-15 00:34:01,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6506 states. [2019-10-15 00:34:01,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6506 states to 6506 states and 8312 transitions. [2019-10-15 00:34:01,790 INFO L78 Accepts]: Start accepts. Automaton has 6506 states and 8312 transitions. Word has length 86 [2019-10-15 00:34:01,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:34:01,792 INFO L462 AbstractCegarLoop]: Abstraction has 6506 states and 8312 transitions. [2019-10-15 00:34:01,792 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 00:34:01,792 INFO L276 IsEmpty]: Start isEmpty. Operand 6506 states and 8312 transitions. [2019-10-15 00:34:01,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-10-15 00:34:01,802 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:34:01,803 INFO L380 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 00:34:01,803 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:34:01,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:34:01,804 INFO L82 PathProgramCache]: Analyzing trace with hash 1503750876, now seen corresponding path program 1 times [2019-10-15 00:34:01,804 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:34:01,805 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529263292] [2019-10-15 00:34:01,805 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:34:01,805 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:34:01,806 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:34:01,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:34:02,053 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-10-15 00:34:02,054 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529263292] [2019-10-15 00:34:02,055 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:34:02,055 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 00:34:02,055 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191037726] [2019-10-15 00:34:02,056 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 00:34:02,057 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:34:02,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 00:34:02,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 00:34:02,058 INFO L87 Difference]: Start difference. First operand 6506 states and 8312 transitions. Second operand 5 states. [2019-10-15 00:34:02,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:34:02,414 INFO L93 Difference]: Finished difference Result 10878 states and 13904 transitions. [2019-10-15 00:34:02,415 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 00:34:02,415 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 87 [2019-10-15 00:34:02,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:34:02,469 INFO L225 Difference]: With dead ends: 10878 [2019-10-15 00:34:02,470 INFO L226 Difference]: Without dead ends: 6586 [2019-10-15 00:34:02,501 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-15 00:34:02,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6586 states. [2019-10-15 00:34:02,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6586 to 6526. [2019-10-15 00:34:02,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6526 states. [2019-10-15 00:34:02,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6526 states to 6526 states and 8322 transitions. [2019-10-15 00:34:02,778 INFO L78 Accepts]: Start accepts. Automaton has 6526 states and 8322 transitions. Word has length 87 [2019-10-15 00:34:02,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:34:02,778 INFO L462 AbstractCegarLoop]: Abstraction has 6526 states and 8322 transitions. [2019-10-15 00:34:02,778 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 00:34:02,779 INFO L276 IsEmpty]: Start isEmpty. Operand 6526 states and 8322 transitions. [2019-10-15 00:34:02,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-10-15 00:34:02,782 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:34:02,782 INFO L380 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 00:34:02,783 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:34:02,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:34:02,783 INFO L82 PathProgramCache]: Analyzing trace with hash 162930276, now seen corresponding path program 1 times [2019-10-15 00:34:02,783 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:34:02,785 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985258431] [2019-10-15 00:34:02,785 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:34:02,785 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:34:02,785 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:34:02,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:34:02,973 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-10-15 00:34:02,974 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985258431] [2019-10-15 00:34:02,974 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:34:02,974 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 00:34:02,974 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909047746] [2019-10-15 00:34:02,975 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 00:34:02,975 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:34:02,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 00:34:02,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 00:34:02,976 INFO L87 Difference]: Start difference. First operand 6526 states and 8322 transitions. Second operand 5 states. [2019-10-15 00:34:03,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:34:03,223 INFO L93 Difference]: Finished difference Result 10923 states and 13924 transitions. [2019-10-15 00:34:03,223 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 00:34:03,224 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 88 [2019-10-15 00:34:03,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:34:03,270 INFO L225 Difference]: With dead ends: 10923 [2019-10-15 00:34:03,270 INFO L226 Difference]: Without dead ends: 6606 [2019-10-15 00:34:03,286 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-15 00:34:03,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6606 states. [2019-10-15 00:34:03,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6606 to 6546. [2019-10-15 00:34:03,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6546 states. [2019-10-15 00:34:03,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6546 states to 6546 states and 8332 transitions. [2019-10-15 00:34:03,666 INFO L78 Accepts]: Start accepts. Automaton has 6546 states and 8332 transitions. Word has length 88 [2019-10-15 00:34:03,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:34:03,667 INFO L462 AbstractCegarLoop]: Abstraction has 6546 states and 8332 transitions. [2019-10-15 00:34:03,667 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 00:34:03,667 INFO L276 IsEmpty]: Start isEmpty. Operand 6546 states and 8332 transitions. [2019-10-15 00:34:03,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-10-15 00:34:03,672 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:34:03,672 INFO L380 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 00:34:03,673 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:34:03,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:34:03,673 INFO L82 PathProgramCache]: Analyzing trace with hash -1493340641, now seen corresponding path program 1 times [2019-10-15 00:34:03,673 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:34:03,674 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933756587] [2019-10-15 00:34:03,674 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:34:03,674 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:34:03,674 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:34:03,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:34:03,878 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-10-15 00:34:03,879 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933756587] [2019-10-15 00:34:03,879 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:34:03,879 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 00:34:03,879 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942944544] [2019-10-15 00:34:03,880 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 00:34:03,880 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:34:03,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 00:34:03,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 00:34:03,881 INFO L87 Difference]: Start difference. First operand 6546 states and 8332 transitions. Second operand 5 states. [2019-10-15 00:34:04,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:34:04,148 INFO L93 Difference]: Finished difference Result 10714 states and 13601 transitions. [2019-10-15 00:34:04,148 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 00:34:04,148 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 89 [2019-10-15 00:34:04,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:34:04,179 INFO L225 Difference]: With dead ends: 10714 [2019-10-15 00:34:04,179 INFO L226 Difference]: Without dead ends: 6372 [2019-10-15 00:34:04,194 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-15 00:34:04,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6372 states. [2019-10-15 00:34:04,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6372 to 6327. [2019-10-15 00:34:04,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6327 states. [2019-10-15 00:34:04,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6327 states to 6327 states and 8009 transitions. [2019-10-15 00:34:04,477 INFO L78 Accepts]: Start accepts. Automaton has 6327 states and 8009 transitions. Word has length 89 [2019-10-15 00:34:04,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:34:04,479 INFO L462 AbstractCegarLoop]: Abstraction has 6327 states and 8009 transitions. [2019-10-15 00:34:04,479 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 00:34:04,479 INFO L276 IsEmpty]: Start isEmpty. Operand 6327 states and 8009 transitions. [2019-10-15 00:34:04,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-10-15 00:34:04,487 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:34:04,487 INFO L380 BasicCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 00:34:04,488 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:34:04,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:34:04,488 INFO L82 PathProgramCache]: Analyzing trace with hash 601773685, now seen corresponding path program 1 times [2019-10-15 00:34:04,489 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:34:04,489 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44982228] [2019-10-15 00:34:04,489 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:34:04,490 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:34:04,490 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:34:04,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:34:04,760 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2019-10-15 00:34:04,760 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44982228] [2019-10-15 00:34:04,761 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1303034749] [2019-10-15 00:34:04,761 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 00:34:05,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:34:05,713 INFO L256 TraceCheckSpWp]: Trace formula consists of 2234 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-15 00:34:05,727 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 00:34:05,767 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2019-10-15 00:34:05,768 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 00:34:05,840 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2019-10-15 00:34:05,841 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-15 00:34:05,841 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [9] total 10 [2019-10-15 00:34:05,841 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218032848] [2019-10-15 00:34:05,842 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:34:05,842 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:34:05,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:34:05,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-10-15 00:34:05,843 INFO L87 Difference]: Start difference. First operand 6327 states and 8009 transitions. Second operand 3 states. [2019-10-15 00:34:06,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:34:06,075 INFO L93 Difference]: Finished difference Result 12180 states and 15496 transitions. [2019-10-15 00:34:06,077 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:34:06,077 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 99 [2019-10-15 00:34:06,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:34:06,118 INFO L225 Difference]: With dead ends: 12180 [2019-10-15 00:34:06,119 INFO L226 Difference]: Without dead ends: 6336 [2019-10-15 00:34:06,138 INFO L600 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 [2019-10-15 00:34:06,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6336 states. [2019-10-15 00:34:06,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6336 to 6336. [2019-10-15 00:34:06,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6336 states. [2019-10-15 00:34:06,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6336 states to 6336 states and 8018 transitions. [2019-10-15 00:34:06,408 INFO L78 Accepts]: Start accepts. Automaton has 6336 states and 8018 transitions. Word has length 99 [2019-10-15 00:34:06,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:34:06,408 INFO L462 AbstractCegarLoop]: Abstraction has 6336 states and 8018 transitions. [2019-10-15 00:34:06,409 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:34:06,409 INFO L276 IsEmpty]: Start isEmpty. Operand 6336 states and 8018 transitions. [2019-10-15 00:34:06,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-10-15 00:34:06,415 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:34:06,415 INFO L380 BasicCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 00:34:06,626 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 00:34:06,627 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:34:06,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:34:06,627 INFO L82 PathProgramCache]: Analyzing trace with hash 92300595, now seen corresponding path program 1 times [2019-10-15 00:34:06,627 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:34:06,628 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053409164] [2019-10-15 00:34:06,628 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:34:06,628 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:34:06,628 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:34:06,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:34:06,905 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2019-10-15 00:34:06,906 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053409164] [2019-10-15 00:34:06,906 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [31181559] [2019-10-15 00:34:06,906 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 [2019-10-15 00:34:08,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:34:08,514 INFO L256 TraceCheckSpWp]: Trace formula consists of 2241 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-15 00:34:08,532 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 00:34:08,573 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2019-10-15 00:34:08,574 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 00:34:08,656 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2019-10-15 00:34:08,657 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-15 00:34:08,657 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [9] total 10 [2019-10-15 00:34:08,657 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439519047] [2019-10-15 00:34:08,658 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:34:08,658 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:34:08,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:34:08,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-10-15 00:34:08,659 INFO L87 Difference]: Start difference. First operand 6336 states and 8018 transitions. Second operand 3 states. [2019-10-15 00:34:08,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:34:08,813 INFO L93 Difference]: Finished difference Result 6336 states and 8018 transitions. [2019-10-15 00:34:08,814 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:34:08,814 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 99 [2019-10-15 00:34:08,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:34:08,815 INFO L225 Difference]: With dead ends: 6336 [2019-10-15 00:34:08,815 INFO L226 Difference]: Without dead ends: 0 [2019-10-15 00:34:08,831 INFO L600 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 [2019-10-15 00:34:08,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-15 00:34:08,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-15 00:34:08,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-15 00:34:08,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-15 00:34:08,833 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 99 [2019-10-15 00:34:08,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:34:08,834 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-15 00:34:08,834 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:34:08,834 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-15 00:34:08,834 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-15 00:34:09,043 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 00:34:09,051 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-15 00:34:13,080 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 38 [2019-10-15 00:34:14,123 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 38 [2019-10-15 00:34:14,551 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 38 [2019-10-15 00:34:14,701 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 18 [2019-10-15 00:34:14,922 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 38 [2019-10-15 00:34:15,297 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 38 [2019-10-15 00:34:15,665 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 38 [2019-10-15 00:34:15,899 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 38 [2019-10-15 00:34:16,403 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 38 [2019-10-15 00:34:16,897 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 22 [2019-10-15 00:34:17,517 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 35 [2019-10-15 00:34:17,828 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 38 [2019-10-15 00:34:18,048 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 38 [2019-10-15 00:34:19,133 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 38