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 -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--serial--8250--8250_pci.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 22:33:19,535 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 22:33:19,538 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 22:33:19,558 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 22:33:19,559 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 22:33:19,561 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 22:33:19,563 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 22:33:19,574 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 22:33:19,578 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 22:33:19,581 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 22:33:19,583 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 22:33:19,585 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 22:33:19,585 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 22:33:19,587 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 22:33:19,590 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 22:33:19,591 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 22:33:19,592 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 22:33:19,593 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 22:33:19,595 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 22:33:19,599 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 22:33:19,604 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 22:33:19,607 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 22:33:19,609 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 22:33:19,610 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 22:33:19,612 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 22:33:19,612 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 22:33:19,613 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 22:33:19,614 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 22:33:19,616 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 22:33:19,617 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 22:33:19,617 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 22:33:19,618 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 22:33:19,619 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 22:33:19,620 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 22:33:19,621 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 22:33:19,622 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 22:33:19,622 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 22:33:19,623 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 22:33:19,623 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 22:33:19,624 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 22:33:19,625 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 22:33:19,626 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 [2019-10-14 22:33:19,659 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 22:33:19,660 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 22:33:19,665 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 22:33:19,666 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 22:33:19,666 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 22:33:19,666 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 22:33:19,666 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 22:33:19,667 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 22:33:19,667 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 22:33:19,667 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 22:33:19,667 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 22:33:19,667 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 22:33:19,668 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 22:33:19,668 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 22:33:19,668 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 22:33:19,668 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 22:33:19,668 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 22:33:19,669 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 22:33:19,669 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 22:33:19,669 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 22:33:19,670 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 22:33:19,670 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 22:33:19,670 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 22:33:19,670 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 22:33:19,671 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 22:33:19,671 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 22:33:19,671 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 22:33:19,671 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 22:33:19,672 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 22:33:19,958 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 22:33:19,970 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 22:33:19,973 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 22:33:19,975 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 22:33:19,975 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 22:33:19,976 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--serial--8250--8250_pci.ko-entry_point.cil.out.i [2019-10-14 22:33:20,050 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df610c016/d1275b62a33a472aba5e2519e4a9aa4a/FLAG1dc0f842c [2019-10-14 22:33:20,992 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 22:33:20,993 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--serial--8250--8250_pci.ko-entry_point.cil.out.i [2019-10-14 22:33:21,049 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df610c016/d1275b62a33a472aba5e2519e4a9aa4a/FLAG1dc0f842c [2019-10-14 22:33:21,397 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df610c016/d1275b62a33a472aba5e2519e4a9aa4a [2019-10-14 22:33:21,409 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 22:33:21,411 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 22:33:21,416 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 22:33:21,416 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 22:33:21,420 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 22:33:21,421 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:33:21" (1/1) ... [2019-10-14 22:33:21,425 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bf6e451 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:33:21, skipping insertion in model container [2019-10-14 22:33:21,425 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:33:21" (1/1) ... [2019-10-14 22:33:21,434 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 22:33:21,598 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 22:33:22,253 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3932] [2019-10-14 22:33:22,254 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3933-3934] [2019-10-14 22:33:23,577 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 22:33:23,713 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 22:33:23,839 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3932] [2019-10-14 22:33:23,840 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3933-3934] [2019-10-14 22:33:24,164 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 22:33:24,758 INFO L192 MainTranslator]: Completed translation [2019-10-14 22:33:24,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:33:24 WrapperNode [2019-10-14 22:33:24,759 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 22:33:24,760 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 22:33:24,760 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 22:33:24,760 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 22:33:24,779 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:33:24" (1/1) ... [2019-10-14 22:33:24,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:33:24" (1/1) ... [2019-10-14 22:33:24,908 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:33:24" (1/1) ... [2019-10-14 22:33:24,909 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:33:24" (1/1) ... [2019-10-14 22:33:25,136 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:33:24" (1/1) ... [2019-10-14 22:33:25,168 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:33:24" (1/1) ... [2019-10-14 22:33:25,212 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:33:24" (1/1) ... [2019-10-14 22:33:25,252 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 22:33:25,252 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 22:33:25,252 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 22:33:25,253 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 22:33:25,253 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:33:24" (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 [2019-10-14 22:33:25,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 22:33:25,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 22:33:25,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-10-14 22:33:25,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2019-10-14 22:33:25,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-14 22:33:25,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2019-10-14 22:33:25,313 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-10-14 22:33:25,313 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-10-14 22:33:25,313 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2019-10-14 22:33:25,313 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2019-10-14 22:33:25,314 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2019-10-14 22:33:25,314 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2019-10-14 22:33:25,314 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2019-10-14 22:33:25,314 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2019-10-14 22:33:25,314 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2019-10-14 22:33:25,316 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2019-10-14 22:33:25,316 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2019-10-14 22:33:25,316 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2019-10-14 22:33:25,316 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-10-14 22:33:25,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-14 22:33:25,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-14 22:33:25,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-14 22:33:25,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-14 22:33:25,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-14 22:33:25,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-14 22:33:25,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-14 22:33:25,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-14 22:33:25,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-14 22:33:25,318 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2019-10-14 22:33:25,318 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-10-14 22:33:25,318 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-14 22:33:25,318 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-14 22:33:25,318 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2019-10-14 22:33:25,318 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2019-10-14 22:33:25,319 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2019-10-14 22:33:25,319 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2019-10-14 22:33:25,319 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2019-10-14 22:33:25,319 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2019-10-14 22:33:25,319 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2019-10-14 22:33:25,319 INFO L138 BoogieDeclarations]: Found implementation of procedure moan_device [2019-10-14 22:33:25,319 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_port [2019-10-14 22:33:25,320 INFO L138 BoogieDeclarations]: Found implementation of procedure addidata_apci7800_setup [2019-10-14 22:33:25,320 INFO L138 BoogieDeclarations]: Found implementation of procedure afavlab_setup [2019-10-14 22:33:25,320 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_hp_diva_init [2019-10-14 22:33:25,320 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_hp_diva_setup [2019-10-14 22:33:25,320 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_inteli960ni_init [2019-10-14 22:33:25,320 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_plx9050_init [2019-10-14 22:33:25,320 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_plx9050_exit [2019-10-14 22:33:25,321 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_ni8420_exit [2019-10-14 22:33:25,321 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_ni8430_exit [2019-10-14 22:33:25,321 INFO L138 BoogieDeclarations]: Found implementation of procedure sbs_setup [2019-10-14 22:33:25,321 INFO L138 BoogieDeclarations]: Found implementation of procedure sbs_init [2019-10-14 22:33:25,321 INFO L138 BoogieDeclarations]: Found implementation of procedure sbs_exit [2019-10-14 22:33:25,321 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_siig10x_init [2019-10-14 22:33:25,321 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_siig20x_init [2019-10-14 22:33:25,322 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_siig_init [2019-10-14 22:33:25,322 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_siig_setup [2019-10-14 22:33:25,322 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_timedia_probe [2019-10-14 22:33:25,322 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_timedia_init [2019-10-14 22:33:25,322 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_timedia_setup [2019-10-14 22:33:25,322 INFO L138 BoogieDeclarations]: Found implementation of procedure titan_400l_800l_setup [2019-10-14 22:33:25,322 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_xircom_init [2019-10-14 22:33:25,323 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_ni8420_init [2019-10-14 22:33:25,323 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_ni8430_init [2019-10-14 22:33:25,323 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_ni8430_setup [2019-10-14 22:33:25,323 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_netmos_9900_setup [2019-10-14 22:33:25,323 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_netmos_9900_numports [2019-10-14 22:33:25,323 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_netmos_init [2019-10-14 22:33:25,324 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_ite887x_init [2019-10-14 22:33:25,324 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_ite887x_exit [2019-10-14 22:33:25,324 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_oxsemi_tornado_init [2019-10-14 22:33:25,324 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_asix_setup [2019-10-14 22:33:25,324 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_quatech_amcc [2019-10-14 22:33:25,324 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_quatech_rqopr [2019-10-14 22:33:25,324 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_quatech_wqopr [2019-10-14 22:33:25,325 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_quatech_rqmcr [2019-10-14 22:33:25,325 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_quatech_wqmcr [2019-10-14 22:33:25,325 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_quatech_has_qmcr [2019-10-14 22:33:25,325 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_quatech_test [2019-10-14 22:33:25,325 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_quatech_clock [2019-10-14 22:33:25,325 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_quatech_rs422 [2019-10-14 22:33:25,326 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_quatech_init [2019-10-14 22:33:25,326 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_quatech_setup [2019-10-14 22:33:25,326 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_quatech_exit [2019-10-14 22:33:25,326 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_default_setup [2019-10-14 22:33:25,326 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_pericom_setup [2019-10-14 22:33:25,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ce4100_serial_setup [2019-10-14 22:33:25,326 INFO L138 BoogieDeclarations]: Found implementation of procedure byt_set_termios [2019-10-14 22:33:25,327 INFO L138 BoogieDeclarations]: Found implementation of procedure byt_dma_filter [2019-10-14 22:33:25,327 INFO L138 BoogieDeclarations]: Found implementation of procedure byt_serial_setup [2019-10-14 22:33:25,327 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_omegapci_setup [2019-10-14 22:33:25,327 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_brcm_trumanage_setup [2019-10-14 22:33:25,327 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_fintek_setup [2019-10-14 22:33:25,327 INFO L138 BoogieDeclarations]: Found implementation of procedure skip_tx_en_setup [2019-10-14 22:33:25,327 INFO L138 BoogieDeclarations]: Found implementation of procedure kt_handle_break [2019-10-14 22:33:25,328 INFO L138 BoogieDeclarations]: Found implementation of procedure kt_serial_in [2019-10-14 22:33:25,328 INFO L138 BoogieDeclarations]: Found implementation of procedure kt_serial_setup [2019-10-14 22:33:25,328 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_eg20t_init [2019-10-14 22:33:25,328 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_xr17c154_setup [2019-10-14 22:33:25,328 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_xr17v35x_setup [2019-10-14 22:33:25,328 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_fastcom335_setup [2019-10-14 22:33:25,328 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_wch_ch353_setup [2019-10-14 22:33:25,329 INFO L138 BoogieDeclarations]: Found implementation of procedure quirk_id_matches [2019-10-14 22:33:25,329 INFO L138 BoogieDeclarations]: Found implementation of procedure find_quirk [2019-10-14 22:33:25,329 INFO L138 BoogieDeclarations]: Found implementation of procedure get_pci_irq [2019-10-14 22:33:25,329 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_pci_guess_board [2019-10-14 22:33:25,329 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_pci_matches [2019-10-14 22:33:25,329 INFO L138 BoogieDeclarations]: Found implementation of procedure pciserial_init_ports [2019-10-14 22:33:25,329 INFO L138 BoogieDeclarations]: Found implementation of procedure pciserial_remove_ports [2019-10-14 22:33:25,330 INFO L138 BoogieDeclarations]: Found implementation of procedure pciserial_suspend_ports [2019-10-14 22:33:25,330 INFO L138 BoogieDeclarations]: Found implementation of procedure pciserial_resume_ports [2019-10-14 22:33:25,330 INFO L138 BoogieDeclarations]: Found implementation of procedure pciserial_init_one [2019-10-14 22:33:25,330 INFO L138 BoogieDeclarations]: Found implementation of procedure pciserial_remove_one [2019-10-14 22:33:25,330 INFO L138 BoogieDeclarations]: Found implementation of procedure pciserial_suspend_one [2019-10-14 22:33:25,330 INFO L138 BoogieDeclarations]: Found implementation of procedure pciserial_resume_one [2019-10-14 22:33:25,330 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_io_error_detected [2019-10-14 22:33:25,331 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_io_slot_reset [2019-10-14 22:33:25,331 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_io_resume [2019-10-14 22:33:25,331 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_pci_driver_init [2019-10-14 22:33:25,331 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_pci_driver_exit [2019-10-14 22:33:25,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_pci_driver_1 [2019-10-14 22:33:25,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_pci_error_handlers_2 [2019-10-14 22:33:25,331 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 22:33:25,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_16 [2019-10-14 22:33:25,332 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-14 22:33:25,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-10-14 22:33:25,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-14 22:33:25,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2019-10-14 22:33:25,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2019-10-14 22:33:25,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2019-10-14 22:33:25,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2019-10-14 22:33:25,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-10-14 22:33:25,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2019-10-14 22:33:25,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2019-10-14 22:33:25,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2019-10-14 22:33:25,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2019-10-14 22:33:25,334 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-10-14 22:33:25,334 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-10-14 22:33:25,334 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kmalloc [2019-10-14 22:33:25,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2019-10-14 22:33:25,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2019-10-14 22:33:25,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2019-10-14 22:33:25,334 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2019-10-14 22:33:25,335 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2019-10-14 22:33:25,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-14 22:33:25,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-14 22:33:25,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_2 [2019-10-14 22:33:25,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_2 [2019-10-14 22:33:25,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2019-10-14 22:33:25,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_suspend_2 [2019-10-14 22:33:25,336 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2019-10-14 22:33:25,336 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_read_config_byte [2019-10-14 22:33:25,336 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_read_config_dword [2019-10-14 22:33:25,336 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_write_config_byte [2019-10-14 22:33:25,336 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_write_config_dword [2019-10-14 22:33:25,336 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2019-10-14 22:33:25,336 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2019-10-14 22:33:25,337 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2019-10-14 22:33:25,337 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2019-10-14 22:33:25,337 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_ioremap_bar [2019-10-14 22:33:25,337 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2019-10-14 22:33:25,337 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2019-10-14 22:33:25,337 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2019-10-14 22:33:25,337 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2019-10-14 22:33:25,338 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2019-10-14 22:33:25,338 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-14 22:33:25,338 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_clear_and_reinit_fifos [2019-10-14 22:33:25,338 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_do_set_termios [2019-10-14 22:33:25,338 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_register_8250_port [2019-10-14 22:33:25,338 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_resume_port [2019-10-14 22:33:25,338 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_suspend_port [2019-10-14 22:33:25,338 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_unregister_port [2019-10-14 22:33:25,339 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_termios_baud_rate [2019-10-14 22:33:25,339 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-14 22:33:25,339 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-14 22:33:25,339 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-14 22:33:25,339 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-14 22:33:25,339 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-14 22:33:25,340 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 22:33:25,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-14 22:33:25,340 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-14 22:33:25,340 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2019-10-14 22:33:25,340 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-14 22:33:25,340 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-14 22:33:25,340 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2019-10-14 22:33:25,340 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-10-14 22:33:25,341 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-10-14 22:33:25,341 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2019-10-14 22:33:25,341 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2019-10-14 22:33:25,341 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2019-10-14 22:33:25,341 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2019-10-14 22:33:25,341 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2019-10-14 22:33:25,341 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2019-10-14 22:33:25,342 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2019-10-14 22:33:25,342 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2019-10-14 22:33:25,342 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2019-10-14 22:33:25,342 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2019-10-14 22:33:25,342 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2019-10-14 22:33:25,342 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2019-10-14 22:33:25,342 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2019-10-14 22:33:25,342 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2019-10-14 22:33:25,343 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2019-10-14 22:33:25,343 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2019-10-14 22:33:25,343 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2019-10-14 22:33:25,343 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2019-10-14 22:33:25,343 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-10-14 22:33:25,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 22:33:25,344 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-14 22:33:25,344 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2019-10-14 22:33:25,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_16 [2019-10-14 22:33:25,344 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-14 22:33:25,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-10-14 22:33:25,344 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 22:33:25,344 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-14 22:33:25,345 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 22:33:25,345 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-14 22:33:25,345 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-14 22:33:25,345 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-14 22:33:25,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-14 22:33:25,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 22:33:25,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-14 22:33:25,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-14 22:33:25,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-14 22:33:25,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-14 22:33:25,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-14 22:33:25,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-14 22:33:25,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-14 22:33:25,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-14 22:33:25,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_pci_driver_1 [2019-10-14 22:33:25,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_pci_error_handlers_2 [2019-10-14 22:33:25,347 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kmalloc [2019-10-14 22:33:25,347 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2019-10-14 22:33:25,347 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-10-14 22:33:25,347 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-14 22:33:25,348 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-14 22:33:25,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 22:33:25,348 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-10-14 22:33:25,348 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-10-14 22:33:25,348 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_read_config_byte [2019-10-14 22:33:25,348 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_read_config_dword [2019-10-14 22:33:25,348 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_write_config_byte [2019-10-14 22:33:25,349 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_write_config_dword [2019-10-14 22:33:25,349 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2019-10-14 22:33:25,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 22:33:25,349 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2019-10-14 22:33:25,349 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2019-10-14 22:33:25,349 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2019-10-14 22:33:25,349 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2019-10-14 22:33:25,350 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2019-10-14 22:33:25,350 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2019-10-14 22:33:25,350 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2019-10-14 22:33:25,350 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2019-10-14 22:33:25,350 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2019-10-14 22:33:25,350 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2019-10-14 22:33:25,350 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2019-10-14 22:33:25,350 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2019-10-14 22:33:25,351 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2019-10-14 22:33:25,351 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2019-10-14 22:33:25,420 INFO L130 BoogieDeclarations]: Found specification of procedure pci_ioremap_bar [2019-10-14 22:33:25,420 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-10-14 22:33:25,421 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2019-10-14 22:33:25,421 INFO L130 BoogieDeclarations]: Found specification of procedure tty_termios_baud_rate [2019-10-14 22:33:25,421 INFO L130 BoogieDeclarations]: Found specification of procedure pciserial_init_ports [2019-10-14 22:33:25,421 INFO L130 BoogieDeclarations]: Found specification of procedure pciserial_remove_ports [2019-10-14 22:33:25,421 INFO L130 BoogieDeclarations]: Found specification of procedure pciserial_suspend_ports [2019-10-14 22:33:25,421 INFO L130 BoogieDeclarations]: Found specification of procedure pciserial_resume_ports [2019-10-14 22:33:25,421 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_register_8250_port [2019-10-14 22:33:25,422 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_unregister_port [2019-10-14 22:33:25,422 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_suspend_port [2019-10-14 22:33:25,422 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_resume_port [2019-10-14 22:33:25,422 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_do_set_termios [2019-10-14 22:33:25,422 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_clear_and_reinit_fifos [2019-10-14 22:33:25,422 INFO L130 BoogieDeclarations]: Found specification of procedure pci_default_setup [2019-10-14 22:33:25,422 INFO L130 BoogieDeclarations]: Found specification of procedure moan_device [2019-10-14 22:33:25,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 22:33:25,423 INFO L130 BoogieDeclarations]: Found specification of procedure setup_port [2019-10-14 22:33:25,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 22:33:25,423 INFO L130 BoogieDeclarations]: Found specification of procedure addidata_apci7800_setup [2019-10-14 22:33:25,423 INFO L130 BoogieDeclarations]: Found specification of procedure afavlab_setup [2019-10-14 22:33:25,423 INFO L130 BoogieDeclarations]: Found specification of procedure pci_hp_diva_init [2019-10-14 22:33:25,423 INFO L130 BoogieDeclarations]: Found specification of procedure pci_hp_diva_setup [2019-10-14 22:33:25,424 INFO L130 BoogieDeclarations]: Found specification of procedure pci_inteli960ni_init [2019-10-14 22:33:25,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 22:33:25,424 INFO L130 BoogieDeclarations]: Found specification of procedure pci_plx9050_init [2019-10-14 22:33:25,424 INFO L130 BoogieDeclarations]: Found specification of procedure pci_plx9050_exit [2019-10-14 22:33:25,424 INFO L130 BoogieDeclarations]: Found specification of procedure pci_ni8420_exit [2019-10-14 22:33:25,424 INFO L130 BoogieDeclarations]: Found specification of procedure pci_ni8430_exit [2019-10-14 22:33:25,425 INFO L130 BoogieDeclarations]: Found specification of procedure sbs_setup [2019-10-14 22:33:25,425 INFO L130 BoogieDeclarations]: Found specification of procedure sbs_init [2019-10-14 22:33:25,425 INFO L130 BoogieDeclarations]: Found specification of procedure sbs_exit [2019-10-14 22:33:25,425 INFO L130 BoogieDeclarations]: Found specification of procedure pci_siig10x_init [2019-10-14 22:33:25,425 INFO L130 BoogieDeclarations]: Found specification of procedure pci_siig20x_init [2019-10-14 22:33:25,425 INFO L130 BoogieDeclarations]: Found specification of procedure pci_siig_init [2019-10-14 22:33:25,425 INFO L130 BoogieDeclarations]: Found specification of procedure pci_siig_setup [2019-10-14 22:33:25,425 INFO L130 BoogieDeclarations]: Found specification of procedure pci_timedia_probe [2019-10-14 22:33:25,426 INFO L130 BoogieDeclarations]: Found specification of procedure pci_timedia_init [2019-10-14 22:33:25,426 INFO L130 BoogieDeclarations]: Found specification of procedure pci_timedia_setup [2019-10-14 22:33:25,426 INFO L130 BoogieDeclarations]: Found specification of procedure titan_400l_800l_setup [2019-10-14 22:33:25,426 INFO L130 BoogieDeclarations]: Found specification of procedure pci_xircom_init [2019-10-14 22:33:25,426 INFO L130 BoogieDeclarations]: Found specification of procedure pci_ni8420_init [2019-10-14 22:33:25,426 INFO L130 BoogieDeclarations]: Found specification of procedure pci_ni8430_init [2019-10-14 22:33:25,426 INFO L130 BoogieDeclarations]: Found specification of procedure pci_ni8430_setup [2019-10-14 22:33:25,427 INFO L130 BoogieDeclarations]: Found specification of procedure pci_netmos_9900_setup [2019-10-14 22:33:25,427 INFO L130 BoogieDeclarations]: Found specification of procedure pci_netmos_9900_numports [2019-10-14 22:33:25,427 INFO L130 BoogieDeclarations]: Found specification of procedure pci_netmos_init [2019-10-14 22:33:25,427 INFO L130 BoogieDeclarations]: Found specification of procedure pci_ite887x_init [2019-10-14 22:33:25,427 INFO L130 BoogieDeclarations]: Found specification of procedure pci_ite887x_exit [2019-10-14 22:33:25,427 INFO L130 BoogieDeclarations]: Found specification of procedure pci_oxsemi_tornado_init [2019-10-14 22:33:25,427 INFO L130 BoogieDeclarations]: Found specification of procedure pci_asix_setup [2019-10-14 22:33:25,428 INFO L130 BoogieDeclarations]: Found specification of procedure pci_quatech_amcc [2019-10-14 22:33:25,428 INFO L130 BoogieDeclarations]: Found specification of procedure pci_quatech_rqopr [2019-10-14 22:33:25,428 INFO L130 BoogieDeclarations]: Found specification of procedure pci_quatech_wqopr [2019-10-14 22:33:25,428 INFO L130 BoogieDeclarations]: Found specification of procedure pci_quatech_rqmcr [2019-10-14 22:33:25,428 INFO L130 BoogieDeclarations]: Found specification of procedure pci_quatech_wqmcr [2019-10-14 22:33:25,428 INFO L130 BoogieDeclarations]: Found specification of procedure pci_quatech_has_qmcr [2019-10-14 22:33:25,428 INFO L130 BoogieDeclarations]: Found specification of procedure pci_quatech_test [2019-10-14 22:33:25,428 INFO L130 BoogieDeclarations]: Found specification of procedure pci_quatech_clock [2019-10-14 22:33:25,429 INFO L130 BoogieDeclarations]: Found specification of procedure pci_quatech_rs422 [2019-10-14 22:33:25,429 INFO L130 BoogieDeclarations]: Found specification of procedure pci_quatech_init [2019-10-14 22:33:25,429 INFO L130 BoogieDeclarations]: Found specification of procedure pci_quatech_setup [2019-10-14 22:33:25,429 INFO L130 BoogieDeclarations]: Found specification of procedure pci_quatech_exit [2019-10-14 22:33:25,429 INFO L130 BoogieDeclarations]: Found specification of procedure pci_pericom_setup [2019-10-14 22:33:25,429 INFO L130 BoogieDeclarations]: Found specification of procedure ce4100_serial_setup [2019-10-14 22:33:25,429 INFO L130 BoogieDeclarations]: Found specification of procedure byt_set_termios [2019-10-14 22:33:25,430 INFO L130 BoogieDeclarations]: Found specification of procedure byt_dma_filter [2019-10-14 22:33:25,430 INFO L130 BoogieDeclarations]: Found specification of procedure byt_serial_setup [2019-10-14 22:33:25,430 INFO L130 BoogieDeclarations]: Found specification of procedure pci_omegapci_setup [2019-10-14 22:33:25,430 INFO L130 BoogieDeclarations]: Found specification of procedure pci_brcm_trumanage_setup [2019-10-14 22:33:25,430 INFO L130 BoogieDeclarations]: Found specification of procedure pci_fintek_setup [2019-10-14 22:33:25,430 INFO L130 BoogieDeclarations]: Found specification of procedure skip_tx_en_setup [2019-10-14 22:33:25,430 INFO L130 BoogieDeclarations]: Found specification of procedure kt_handle_break [2019-10-14 22:33:25,430 INFO L130 BoogieDeclarations]: Found specification of procedure kt_serial_in [2019-10-14 22:33:25,431 INFO L130 BoogieDeclarations]: Found specification of procedure kt_serial_setup [2019-10-14 22:33:25,431 INFO L130 BoogieDeclarations]: Found specification of procedure pci_eg20t_init [2019-10-14 22:33:25,431 INFO L130 BoogieDeclarations]: Found specification of procedure pci_xr17c154_setup [2019-10-14 22:33:25,431 INFO L130 BoogieDeclarations]: Found specification of procedure pci_xr17v35x_setup [2019-10-14 22:33:25,431 INFO L130 BoogieDeclarations]: Found specification of procedure pci_fastcom335_setup [2019-10-14 22:33:25,431 INFO L130 BoogieDeclarations]: Found specification of procedure pci_wch_ch353_setup [2019-10-14 22:33:25,431 INFO L130 BoogieDeclarations]: Found specification of procedure quirk_id_matches [2019-10-14 22:33:25,432 INFO L130 BoogieDeclarations]: Found specification of procedure find_quirk [2019-10-14 22:33:25,432 INFO L130 BoogieDeclarations]: Found specification of procedure get_pci_irq [2019-10-14 22:33:25,432 INFO L130 BoogieDeclarations]: Found specification of procedure serial_pci_guess_board [2019-10-14 22:33:25,432 INFO L130 BoogieDeclarations]: Found specification of procedure serial_pci_matches [2019-10-14 22:33:25,432 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-10-14 22:33:25,432 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2019-10-14 22:33:25,432 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-14 22:33:25,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-14 22:33:25,433 INFO L130 BoogieDeclarations]: Found specification of procedure pciserial_init_one [2019-10-14 22:33:25,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-14 22:33:25,433 INFO L130 BoogieDeclarations]: Found specification of procedure pciserial_remove_one [2019-10-14 22:33:25,433 INFO L130 BoogieDeclarations]: Found specification of procedure pciserial_suspend_one [2019-10-14 22:33:25,433 INFO L130 BoogieDeclarations]: Found specification of procedure pciserial_resume_one [2019-10-14 22:33:25,433 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_io_error_detected [2019-10-14 22:33:25,433 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_io_slot_reset [2019-10-14 22:33:25,434 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_io_resume [2019-10-14 22:33:25,434 INFO L130 BoogieDeclarations]: Found specification of procedure serial_pci_driver_init [2019-10-14 22:33:25,434 INFO L130 BoogieDeclarations]: Found specification of procedure serial_pci_driver_exit [2019-10-14 22:33:25,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_2 [2019-10-14 22:33:25,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-14 22:33:25,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-14 22:33:25,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_2 [2019-10-14 22:33:25,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_suspend_2 [2019-10-14 22:33:25,435 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 22:33:25,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2019-10-14 22:33:25,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-14 22:33:25,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2019-10-14 22:33:25,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2019-10-14 22:33:25,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2019-10-14 22:33:25,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2019-10-14 22:33:25,436 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-14 22:33:25,436 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-14 22:33:25,436 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 22:33:25,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 22:33:25,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 22:33:25,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-14 22:33:25,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 22:33:25,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-14 22:33:25,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-14 22:33:25,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-14 22:33:25,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-14 22:33:26,730 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-14 22:33:35,424 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 22:33:35,424 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-14 22:33:35,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:33:35 BoogieIcfgContainer [2019-10-14 22:33:35,427 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 22:33:35,428 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 22:33:35,428 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 22:33:35,431 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 22:33:35,432 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 10:33:21" (1/3) ... [2019-10-14 22:33:35,432 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c5e7e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:33:35, skipping insertion in model container [2019-10-14 22:33:35,433 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:33:24" (2/3) ... [2019-10-14 22:33:35,433 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c5e7e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:33:35, skipping insertion in model container [2019-10-14 22:33:35,434 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:33:35" (3/3) ... [2019-10-14 22:33:35,436 INFO L109 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--serial--8250--8250_pci.ko-entry_point.cil.out.i [2019-10-14 22:33:35,446 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 22:33:35,462 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 22:33:35,480 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 22:33:35,515 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 22:33:35,516 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 22:33:35,516 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 22:33:35,516 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 22:33:35,516 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 22:33:35,516 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 22:33:35,516 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 22:33:35,516 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 22:33:35,564 INFO L276 IsEmpty]: Start isEmpty. Operand 1595 states. [2019-10-14 22:33:35,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-10-14 22:33:35,600 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 22:33:35,601 INFO L380 BasicCegarLoop]: trace histogram [8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 22:33:35,603 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 22:33:35,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 22:33:35,610 INFO L82 PathProgramCache]: Analyzing trace with hash 25341895, now seen corresponding path program 1 times [2019-10-14 22:33:35,619 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 22:33:35,620 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549638105] [2019-10-14 22:33:35,620 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 22:33:35,620 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 22:33:35,621 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 22:33:36,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:33:38,528 WARN L191 SmtUtils]: Spent 1.74 s on a formula simplification that was a NOOP. DAG size: 496 [2019-10-14 22:33:38,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:33:38,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:33:38,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:33:38,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:33:38,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:33:38,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:33:38,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:33:38,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:33:38,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:33:38,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:33:38,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:33:38,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:33:38,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:33:38,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:33:38,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:33:38,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:33:38,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:33:38,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:33:39,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:33:39,071 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2019-10-14 22:33:39,072 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549638105] [2019-10-14 22:33:39,073 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 22:33:39,073 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-14 22:33:39,073 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270923980] [2019-10-14 22:33:39,078 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-14 22:33:39,079 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 22:33:39,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-14 22:33:39,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-14 22:33:39,095 INFO L87 Difference]: Start difference. First operand 1595 states. Second operand 6 states. [2019-10-14 22:33:40,596 WARN L191 SmtUtils]: Spent 1.45 s on a formula simplification that was a NOOP. DAG size: 505 [2019-10-14 22:33:45,658 WARN L191 SmtUtils]: Spent 1.45 s on a formula simplification that was a NOOP. DAG size: 507 [2019-10-14 22:33:47,377 WARN L191 SmtUtils]: Spent 1.53 s on a formula simplification that was a NOOP. DAG size: 498