/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -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-fb55353 [2019-11-06 20:08:59,549 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 20:08:59,553 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 20:08:59,571 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-06 20:08:59,571 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-06 20:08:59,573 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-06 20:08:59,575 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-06 20:08:59,584 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-06 20:08:59,588 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-06 20:08:59,591 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-06 20:08:59,593 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-06 20:08:59,595 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-06 20:08:59,595 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 20:08:59,597 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 20:08:59,599 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 20:08:59,601 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 20:08:59,602 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 20:08:59,603 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 20:08:59,604 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 20:08:59,609 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 20:08:59,613 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 20:08:59,616 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 20:08:59,619 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 20:08:59,620 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 20:08:59,622 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-06 20:08:59,622 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-06 20:08:59,622 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-06 20:08:59,623 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-06 20:08:59,623 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-06 20:08:59,626 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-06 20:08:59,626 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-06 20:08:59,628 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-06 20:08:59,629 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-06 20:08:59,629 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-06 20:08:59,631 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-06 20:08:59,631 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-06 20:08:59,632 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-06 20:08:59,632 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-06 20:08:59,632 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 20:08:59,633 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 20:08:59,635 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 20:08:59,636 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-06 20:08:59,657 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 20:08:59,657 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 20:08:59,658 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 20:08:59,663 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 20:08:59,663 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 20:08:59,663 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 20:08:59,664 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 20:08:59,664 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 20:08:59,664 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 20:08:59,664 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 20:08:59,664 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 20:08:59,664 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 20:08:59,664 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 20:08:59,665 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 20:08:59,665 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 20:08:59,665 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 20:08:59,665 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 20:08:59,665 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 20:08:59,666 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 20:08:59,666 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 20:08:59,666 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 20:08:59,666 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 20:08:59,666 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 20:08:59,667 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 20:08:59,667 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 20:08:59,667 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 20:08:59,667 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 20:08:59,667 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 20:08:59,667 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-06 20:08:59,954 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 20:08:59,974 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 20:08:59,978 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 20:08:59,980 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 20:08:59,981 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 20:08:59,982 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--serial--8250--8250_pci.ko-entry_point.cil.out.i [2019-11-06 20:09:00,058 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/832e1f8ca/af8666a3af7440e8a1c4df0b566d06ae/FLAG2e670c5a5 [2019-11-06 20:09:00,908 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 20:09:00,908 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--serial--8250--8250_pci.ko-entry_point.cil.out.i [2019-11-06 20:09:00,940 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/832e1f8ca/af8666a3af7440e8a1c4df0b566d06ae/FLAG2e670c5a5 [2019-11-06 20:09:01,391 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/832e1f8ca/af8666a3af7440e8a1c4df0b566d06ae [2019-11-06 20:09:01,400 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 20:09:01,402 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 20:09:01,403 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 20:09:01,403 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 20:09:01,407 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 20:09:01,407 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:09:01" (1/1) ... [2019-11-06 20:09:01,410 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22b28129 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:09:01, skipping insertion in model container [2019-11-06 20:09:01,411 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:09:01" (1/1) ... [2019-11-06 20:09:01,418 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 20:09:01,553 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 20:09:02,182 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3932] [2019-11-06 20:09:02,182 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] [2019-11-06 20:09:03,673 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 20:09:03,805 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 20:09:03,916 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3932] [2019-11-06 20:09:03,917 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] [2019-11-06 20:09:04,203 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 20:09:04,788 INFO L192 MainTranslator]: Completed translation [2019-11-06 20:09:04,788 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:09:04 WrapperNode [2019-11-06 20:09:04,789 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 20:09:04,789 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 20:09:04,790 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 20:09:04,790 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 20:09:04,805 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:09:04" (1/1) ... [2019-11-06 20:09:04,805 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:09:04" (1/1) ... [2019-11-06 20:09:04,916 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:09:04" (1/1) ... [2019-11-06 20:09:04,916 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:09:04" (1/1) ... [2019-11-06 20:09:05,116 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:09:04" (1/1) ... [2019-11-06 20:09:05,152 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:09:04" (1/1) ... [2019-11-06 20:09:05,205 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:09:04" (1/1) ... [2019-11-06 20:09:05,256 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 20:09:05,257 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 20:09:05,257 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 20:09:05,258 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 20:09:05,259 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:09:04" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 20:09:05,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 20:09:05,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 20:09:05,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-11-06 20:09:05,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2019-11-06 20:09:05,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-06 20:09:05,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2019-11-06 20:09:05,359 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-11-06 20:09:05,360 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-11-06 20:09:05,362 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2019-11-06 20:09:05,362 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2019-11-06 20:09:05,365 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2019-11-06 20:09:05,365 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2019-11-06 20:09:05,369 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2019-11-06 20:09:05,369 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2019-11-06 20:09:05,370 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2019-11-06 20:09:05,370 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2019-11-06 20:09:05,370 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2019-11-06 20:09:05,370 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2019-11-06 20:09:05,371 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-11-06 20:09:05,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-06 20:09:05,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-06 20:09:05,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-11-06 20:09:05,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-11-06 20:09:05,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-11-06 20:09:05,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-11-06 20:09:05,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-11-06 20:09:05,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-11-06 20:09:05,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-11-06 20:09:05,373 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2019-11-06 20:09:05,373 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-11-06 20:09:05,374 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-11-06 20:09:05,374 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-11-06 20:09:05,374 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2019-11-06 20:09:05,374 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2019-11-06 20:09:05,374 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2019-11-06 20:09:05,375 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2019-11-06 20:09:05,375 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2019-11-06 20:09:05,375 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2019-11-06 20:09:05,375 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2019-11-06 20:09:05,376 INFO L138 BoogieDeclarations]: Found implementation of procedure moan_device [2019-11-06 20:09:05,376 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_port [2019-11-06 20:09:05,376 INFO L138 BoogieDeclarations]: Found implementation of procedure addidata_apci7800_setup [2019-11-06 20:09:05,376 INFO L138 BoogieDeclarations]: Found implementation of procedure afavlab_setup [2019-11-06 20:09:05,376 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_hp_diva_init [2019-11-06 20:09:05,377 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_hp_diva_setup [2019-11-06 20:09:05,377 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_inteli960ni_init [2019-11-06 20:09:05,377 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_plx9050_init [2019-11-06 20:09:05,377 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_plx9050_exit [2019-11-06 20:09:05,378 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_ni8420_exit [2019-11-06 20:09:05,378 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_ni8430_exit [2019-11-06 20:09:05,378 INFO L138 BoogieDeclarations]: Found implementation of procedure sbs_setup [2019-11-06 20:09:05,378 INFO L138 BoogieDeclarations]: Found implementation of procedure sbs_init [2019-11-06 20:09:05,378 INFO L138 BoogieDeclarations]: Found implementation of procedure sbs_exit [2019-11-06 20:09:05,379 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_siig10x_init [2019-11-06 20:09:05,379 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_siig20x_init [2019-11-06 20:09:05,379 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_siig_init [2019-11-06 20:09:05,379 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_siig_setup [2019-11-06 20:09:05,380 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_timedia_probe [2019-11-06 20:09:05,380 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_timedia_init [2019-11-06 20:09:05,380 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_timedia_setup [2019-11-06 20:09:05,381 INFO L138 BoogieDeclarations]: Found implementation of procedure titan_400l_800l_setup [2019-11-06 20:09:05,381 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_xircom_init [2019-11-06 20:09:05,381 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_ni8420_init [2019-11-06 20:09:05,381 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_ni8430_init [2019-11-06 20:09:05,382 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_ni8430_setup [2019-11-06 20:09:05,382 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_netmos_9900_setup [2019-11-06 20:09:05,382 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_netmos_9900_numports [2019-11-06 20:09:05,382 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_netmos_init [2019-11-06 20:09:05,383 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_ite887x_init [2019-11-06 20:09:05,383 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_ite887x_exit [2019-11-06 20:09:05,384 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_oxsemi_tornado_init [2019-11-06 20:09:05,384 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_asix_setup [2019-11-06 20:09:05,385 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_quatech_amcc [2019-11-06 20:09:05,385 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_quatech_rqopr [2019-11-06 20:09:05,385 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_quatech_wqopr [2019-11-06 20:09:05,385 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_quatech_rqmcr [2019-11-06 20:09:05,385 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_quatech_wqmcr [2019-11-06 20:09:05,386 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_quatech_has_qmcr [2019-11-06 20:09:05,387 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_quatech_test [2019-11-06 20:09:05,387 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_quatech_clock [2019-11-06 20:09:05,387 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_quatech_rs422 [2019-11-06 20:09:05,387 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_quatech_init [2019-11-06 20:09:05,387 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_quatech_setup [2019-11-06 20:09:05,388 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_quatech_exit [2019-11-06 20:09:05,388 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_default_setup [2019-11-06 20:09:05,389 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_pericom_setup [2019-11-06 20:09:05,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ce4100_serial_setup [2019-11-06 20:09:05,390 INFO L138 BoogieDeclarations]: Found implementation of procedure byt_set_termios [2019-11-06 20:09:05,390 INFO L138 BoogieDeclarations]: Found implementation of procedure byt_dma_filter [2019-11-06 20:09:05,390 INFO L138 BoogieDeclarations]: Found implementation of procedure byt_serial_setup [2019-11-06 20:09:05,390 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_omegapci_setup [2019-11-06 20:09:05,391 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_brcm_trumanage_setup [2019-11-06 20:09:05,391 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_fintek_setup [2019-11-06 20:09:05,391 INFO L138 BoogieDeclarations]: Found implementation of procedure skip_tx_en_setup [2019-11-06 20:09:05,391 INFO L138 BoogieDeclarations]: Found implementation of procedure kt_handle_break [2019-11-06 20:09:05,392 INFO L138 BoogieDeclarations]: Found implementation of procedure kt_serial_in [2019-11-06 20:09:05,392 INFO L138 BoogieDeclarations]: Found implementation of procedure kt_serial_setup [2019-11-06 20:09:05,392 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_eg20t_init [2019-11-06 20:09:05,392 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_xr17c154_setup [2019-11-06 20:09:05,393 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_xr17v35x_setup [2019-11-06 20:09:05,393 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_fastcom335_setup [2019-11-06 20:09:05,393 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_wch_ch353_setup [2019-11-06 20:09:05,393 INFO L138 BoogieDeclarations]: Found implementation of procedure quirk_id_matches [2019-11-06 20:09:05,393 INFO L138 BoogieDeclarations]: Found implementation of procedure find_quirk [2019-11-06 20:09:05,393 INFO L138 BoogieDeclarations]: Found implementation of procedure get_pci_irq [2019-11-06 20:09:05,394 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_pci_guess_board [2019-11-06 20:09:05,394 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_pci_matches [2019-11-06 20:09:05,394 INFO L138 BoogieDeclarations]: Found implementation of procedure pciserial_init_ports [2019-11-06 20:09:05,394 INFO L138 BoogieDeclarations]: Found implementation of procedure pciserial_remove_ports [2019-11-06 20:09:05,394 INFO L138 BoogieDeclarations]: Found implementation of procedure pciserial_suspend_ports [2019-11-06 20:09:05,395 INFO L138 BoogieDeclarations]: Found implementation of procedure pciserial_resume_ports [2019-11-06 20:09:05,395 INFO L138 BoogieDeclarations]: Found implementation of procedure pciserial_init_one [2019-11-06 20:09:05,395 INFO L138 BoogieDeclarations]: Found implementation of procedure pciserial_remove_one [2019-11-06 20:09:05,395 INFO L138 BoogieDeclarations]: Found implementation of procedure pciserial_suspend_one [2019-11-06 20:09:05,395 INFO L138 BoogieDeclarations]: Found implementation of procedure pciserial_resume_one [2019-11-06 20:09:05,395 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_io_error_detected [2019-11-06 20:09:05,396 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_io_slot_reset [2019-11-06 20:09:05,396 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_io_resume [2019-11-06 20:09:05,396 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_pci_driver_init [2019-11-06 20:09:05,396 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_pci_driver_exit [2019-11-06 20:09:05,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_pci_driver_1 [2019-11-06 20:09:05,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_pci_error_handlers_2 [2019-11-06 20:09:05,397 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 20:09:05,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_16 [2019-11-06 20:09:05,467 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-11-06 20:09:05,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-11-06 20:09:05,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2019-11-06 20:09:05,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2019-11-06 20:09:05,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2019-11-06 20:09:05,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2019-11-06 20:09:05,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2019-11-06 20:09:05,468 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-11-06 20:09:05,468 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2019-11-06 20:09:05,468 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2019-11-06 20:09:05,468 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2019-11-06 20:09:05,469 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2019-11-06 20:09:05,469 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-11-06 20:09:05,469 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-11-06 20:09:05,469 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kmalloc [2019-11-06 20:09:05,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2019-11-06 20:09:05,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2019-11-06 20:09:05,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2019-11-06 20:09:05,471 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2019-11-06 20:09:05,471 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2019-11-06 20:09:05,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-11-06 20:09:05,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-11-06 20:09:05,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_2 [2019-11-06 20:09:05,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_2 [2019-11-06 20:09:05,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2019-11-06 20:09:05,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_suspend_2 [2019-11-06 20:09:05,473 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2019-11-06 20:09:05,473 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_read_config_byte [2019-11-06 20:09:05,473 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_read_config_dword [2019-11-06 20:09:05,473 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_write_config_byte [2019-11-06 20:09:05,473 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_write_config_dword [2019-11-06 20:09:05,474 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2019-11-06 20:09:05,474 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2019-11-06 20:09:05,474 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2019-11-06 20:09:05,474 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2019-11-06 20:09:05,475 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_ioremap_bar [2019-11-06 20:09:05,475 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2019-11-06 20:09:05,475 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2019-11-06 20:09:05,475 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2019-11-06 20:09:05,476 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2019-11-06 20:09:05,477 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2019-11-06 20:09:05,477 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-11-06 20:09:05,477 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_clear_and_reinit_fifos [2019-11-06 20:09:05,477 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_do_set_termios [2019-11-06 20:09:05,477 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_register_8250_port [2019-11-06 20:09:05,478 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_resume_port [2019-11-06 20:09:05,478 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_suspend_port [2019-11-06 20:09:05,478 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_unregister_port [2019-11-06 20:09:05,478 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_termios_baud_rate [2019-11-06 20:09:05,479 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-11-06 20:09:05,479 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-11-06 20:09:05,479 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-06 20:09:05,479 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-06 20:09:05,480 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-06 20:09:05,480 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 20:09:05,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-11-06 20:09:05,480 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-11-06 20:09:05,480 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2019-11-06 20:09:05,481 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-06 20:09:05,481 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-06 20:09:05,481 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2019-11-06 20:09:05,481 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-11-06 20:09:05,481 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-11-06 20:09:05,482 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2019-11-06 20:09:05,482 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2019-11-06 20:09:05,482 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2019-11-06 20:09:05,482 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2019-11-06 20:09:05,482 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2019-11-06 20:09:05,483 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2019-11-06 20:09:05,483 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2019-11-06 20:09:05,483 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2019-11-06 20:09:05,483 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2019-11-06 20:09:05,484 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2019-11-06 20:09:05,484 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2019-11-06 20:09:05,484 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2019-11-06 20:09:05,484 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2019-11-06 20:09:05,484 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2019-11-06 20:09:05,485 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2019-11-06 20:09:05,485 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2019-11-06 20:09:05,485 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2019-11-06 20:09:05,485 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2019-11-06 20:09:05,486 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-11-06 20:09:05,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-06 20:09:05,486 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-06 20:09:05,486 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2019-11-06 20:09:05,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_16 [2019-11-06 20:09:05,487 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-11-06 20:09:05,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-11-06 20:09:05,487 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-06 20:09:05,487 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-06 20:09:05,487 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 20:09:05,488 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-11-06 20:09:05,488 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-06 20:09:05,488 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-11-06 20:09:05,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-06 20:09:05,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-06 20:09:05,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-06 20:09:05,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-06 20:09:05,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-11-06 20:09:05,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-11-06 20:09:05,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-11-06 20:09:05,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-11-06 20:09:05,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-11-06 20:09:05,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-11-06 20:09:05,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_pci_driver_1 [2019-11-06 20:09:05,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_pci_error_handlers_2 [2019-11-06 20:09:05,491 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kmalloc [2019-11-06 20:09:05,491 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2019-11-06 20:09:05,491 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-11-06 20:09:05,491 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-11-06 20:09:05,491 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-11-06 20:09:05,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-06 20:09:05,492 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-11-06 20:09:05,492 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-11-06 20:09:05,492 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_read_config_byte [2019-11-06 20:09:05,492 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_read_config_dword [2019-11-06 20:09:05,493 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_write_config_byte [2019-11-06 20:09:05,493 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_write_config_dword [2019-11-06 20:09:05,493 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2019-11-06 20:09:05,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-06 20:09:05,494 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2019-11-06 20:09:05,494 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2019-11-06 20:09:05,494 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2019-11-06 20:09:05,494 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2019-11-06 20:09:05,494 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2019-11-06 20:09:05,494 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2019-11-06 20:09:05,495 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2019-11-06 20:09:05,495 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2019-11-06 20:09:05,495 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2019-11-06 20:09:05,495 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2019-11-06 20:09:05,495 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2019-11-06 20:09:05,496 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2019-11-06 20:09:05,496 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2019-11-06 20:09:05,496 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2019-11-06 20:09:05,496 INFO L130 BoogieDeclarations]: Found specification of procedure pci_ioremap_bar [2019-11-06 20:09:05,496 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-11-06 20:09:05,497 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2019-11-06 20:09:05,497 INFO L130 BoogieDeclarations]: Found specification of procedure tty_termios_baud_rate [2019-11-06 20:09:05,497 INFO L130 BoogieDeclarations]: Found specification of procedure pciserial_init_ports [2019-11-06 20:09:05,498 INFO L130 BoogieDeclarations]: Found specification of procedure pciserial_remove_ports [2019-11-06 20:09:05,501 INFO L130 BoogieDeclarations]: Found specification of procedure pciserial_suspend_ports [2019-11-06 20:09:05,501 INFO L130 BoogieDeclarations]: Found specification of procedure pciserial_resume_ports [2019-11-06 20:09:05,501 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_register_8250_port [2019-11-06 20:09:05,501 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_unregister_port [2019-11-06 20:09:05,501 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_suspend_port [2019-11-06 20:09:05,501 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_resume_port [2019-11-06 20:09:05,502 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_do_set_termios [2019-11-06 20:09:05,502 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_clear_and_reinit_fifos [2019-11-06 20:09:05,502 INFO L130 BoogieDeclarations]: Found specification of procedure pci_default_setup [2019-11-06 20:09:05,502 INFO L130 BoogieDeclarations]: Found specification of procedure moan_device [2019-11-06 20:09:05,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-06 20:09:05,502 INFO L130 BoogieDeclarations]: Found specification of procedure setup_port [2019-11-06 20:09:05,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-06 20:09:05,503 INFO L130 BoogieDeclarations]: Found specification of procedure addidata_apci7800_setup [2019-11-06 20:09:05,503 INFO L130 BoogieDeclarations]: Found specification of procedure afavlab_setup [2019-11-06 20:09:05,503 INFO L130 BoogieDeclarations]: Found specification of procedure pci_hp_diva_init [2019-11-06 20:09:05,503 INFO L130 BoogieDeclarations]: Found specification of procedure pci_hp_diva_setup [2019-11-06 20:09:05,503 INFO L130 BoogieDeclarations]: Found specification of procedure pci_inteli960ni_init [2019-11-06 20:09:05,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-06 20:09:05,504 INFO L130 BoogieDeclarations]: Found specification of procedure pci_plx9050_init [2019-11-06 20:09:05,504 INFO L130 BoogieDeclarations]: Found specification of procedure pci_plx9050_exit [2019-11-06 20:09:05,504 INFO L130 BoogieDeclarations]: Found specification of procedure pci_ni8420_exit [2019-11-06 20:09:05,504 INFO L130 BoogieDeclarations]: Found specification of procedure pci_ni8430_exit [2019-11-06 20:09:05,505 INFO L130 BoogieDeclarations]: Found specification of procedure sbs_setup [2019-11-06 20:09:05,505 INFO L130 BoogieDeclarations]: Found specification of procedure sbs_init [2019-11-06 20:09:05,505 INFO L130 BoogieDeclarations]: Found specification of procedure sbs_exit [2019-11-06 20:09:05,505 INFO L130 BoogieDeclarations]: Found specification of procedure pci_siig10x_init [2019-11-06 20:09:05,506 INFO L130 BoogieDeclarations]: Found specification of procedure pci_siig20x_init [2019-11-06 20:09:05,506 INFO L130 BoogieDeclarations]: Found specification of procedure pci_siig_init [2019-11-06 20:09:05,506 INFO L130 BoogieDeclarations]: Found specification of procedure pci_siig_setup [2019-11-06 20:09:05,507 INFO L130 BoogieDeclarations]: Found specification of procedure pci_timedia_probe [2019-11-06 20:09:05,507 INFO L130 BoogieDeclarations]: Found specification of procedure pci_timedia_init [2019-11-06 20:09:05,507 INFO L130 BoogieDeclarations]: Found specification of procedure pci_timedia_setup [2019-11-06 20:09:05,507 INFO L130 BoogieDeclarations]: Found specification of procedure titan_400l_800l_setup [2019-11-06 20:09:05,508 INFO L130 BoogieDeclarations]: Found specification of procedure pci_xircom_init [2019-11-06 20:09:05,508 INFO L130 BoogieDeclarations]: Found specification of procedure pci_ni8420_init [2019-11-06 20:09:05,508 INFO L130 BoogieDeclarations]: Found specification of procedure pci_ni8430_init [2019-11-06 20:09:05,508 INFO L130 BoogieDeclarations]: Found specification of procedure pci_ni8430_setup [2019-11-06 20:09:05,508 INFO L130 BoogieDeclarations]: Found specification of procedure pci_netmos_9900_setup [2019-11-06 20:09:05,509 INFO L130 BoogieDeclarations]: Found specification of procedure pci_netmos_9900_numports [2019-11-06 20:09:05,509 INFO L130 BoogieDeclarations]: Found specification of procedure pci_netmos_init [2019-11-06 20:09:05,509 INFO L130 BoogieDeclarations]: Found specification of procedure pci_ite887x_init [2019-11-06 20:09:05,509 INFO L130 BoogieDeclarations]: Found specification of procedure pci_ite887x_exit [2019-11-06 20:09:05,509 INFO L130 BoogieDeclarations]: Found specification of procedure pci_oxsemi_tornado_init [2019-11-06 20:09:05,510 INFO L130 BoogieDeclarations]: Found specification of procedure pci_asix_setup [2019-11-06 20:09:05,510 INFO L130 BoogieDeclarations]: Found specification of procedure pci_quatech_amcc [2019-11-06 20:09:05,510 INFO L130 BoogieDeclarations]: Found specification of procedure pci_quatech_rqopr [2019-11-06 20:09:05,510 INFO L130 BoogieDeclarations]: Found specification of procedure pci_quatech_wqopr [2019-11-06 20:09:05,510 INFO L130 BoogieDeclarations]: Found specification of procedure pci_quatech_rqmcr [2019-11-06 20:09:05,511 INFO L130 BoogieDeclarations]: Found specification of procedure pci_quatech_wqmcr [2019-11-06 20:09:05,511 INFO L130 BoogieDeclarations]: Found specification of procedure pci_quatech_has_qmcr [2019-11-06 20:09:05,511 INFO L130 BoogieDeclarations]: Found specification of procedure pci_quatech_test [2019-11-06 20:09:05,511 INFO L130 BoogieDeclarations]: Found specification of procedure pci_quatech_clock [2019-11-06 20:09:05,511 INFO L130 BoogieDeclarations]: Found specification of procedure pci_quatech_rs422 [2019-11-06 20:09:05,512 INFO L130 BoogieDeclarations]: Found specification of procedure pci_quatech_init [2019-11-06 20:09:05,512 INFO L130 BoogieDeclarations]: Found specification of procedure pci_quatech_setup [2019-11-06 20:09:05,512 INFO L130 BoogieDeclarations]: Found specification of procedure pci_quatech_exit [2019-11-06 20:09:05,512 INFO L130 BoogieDeclarations]: Found specification of procedure pci_pericom_setup [2019-11-06 20:09:05,512 INFO L130 BoogieDeclarations]: Found specification of procedure ce4100_serial_setup [2019-11-06 20:09:05,513 INFO L130 BoogieDeclarations]: Found specification of procedure byt_set_termios [2019-11-06 20:09:05,513 INFO L130 BoogieDeclarations]: Found specification of procedure byt_dma_filter [2019-11-06 20:09:05,513 INFO L130 BoogieDeclarations]: Found specification of procedure byt_serial_setup [2019-11-06 20:09:05,513 INFO L130 BoogieDeclarations]: Found specification of procedure pci_omegapci_setup [2019-11-06 20:09:05,514 INFO L130 BoogieDeclarations]: Found specification of procedure pci_brcm_trumanage_setup [2019-11-06 20:09:05,514 INFO L130 BoogieDeclarations]: Found specification of procedure pci_fintek_setup [2019-11-06 20:09:05,514 INFO L130 BoogieDeclarations]: Found specification of procedure skip_tx_en_setup [2019-11-06 20:09:05,514 INFO L130 BoogieDeclarations]: Found specification of procedure kt_handle_break [2019-11-06 20:09:05,514 INFO L130 BoogieDeclarations]: Found specification of procedure kt_serial_in [2019-11-06 20:09:05,515 INFO L130 BoogieDeclarations]: Found specification of procedure kt_serial_setup [2019-11-06 20:09:05,515 INFO L130 BoogieDeclarations]: Found specification of procedure pci_eg20t_init [2019-11-06 20:09:05,515 INFO L130 BoogieDeclarations]: Found specification of procedure pci_xr17c154_setup [2019-11-06 20:09:05,515 INFO L130 BoogieDeclarations]: Found specification of procedure pci_xr17v35x_setup [2019-11-06 20:09:05,515 INFO L130 BoogieDeclarations]: Found specification of procedure pci_fastcom335_setup [2019-11-06 20:09:05,516 INFO L130 BoogieDeclarations]: Found specification of procedure pci_wch_ch353_setup [2019-11-06 20:09:05,516 INFO L130 BoogieDeclarations]: Found specification of procedure quirk_id_matches [2019-11-06 20:09:05,516 INFO L130 BoogieDeclarations]: Found specification of procedure find_quirk [2019-11-06 20:09:05,516 INFO L130 BoogieDeclarations]: Found specification of procedure get_pci_irq [2019-11-06 20:09:05,516 INFO L130 BoogieDeclarations]: Found specification of procedure serial_pci_guess_board [2019-11-06 20:09:05,517 INFO L130 BoogieDeclarations]: Found specification of procedure serial_pci_matches [2019-11-06 20:09:05,517 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-11-06 20:09:05,517 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2019-11-06 20:09:05,517 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-06 20:09:05,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-06 20:09:05,518 INFO L130 BoogieDeclarations]: Found specification of procedure pciserial_init_one [2019-11-06 20:09:05,518 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-06 20:09:05,518 INFO L130 BoogieDeclarations]: Found specification of procedure pciserial_remove_one [2019-11-06 20:09:05,518 INFO L130 BoogieDeclarations]: Found specification of procedure pciserial_suspend_one [2019-11-06 20:09:05,518 INFO L130 BoogieDeclarations]: Found specification of procedure pciserial_resume_one [2019-11-06 20:09:05,519 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_io_error_detected [2019-11-06 20:09:05,519 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_io_slot_reset [2019-11-06 20:09:05,519 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_io_resume [2019-11-06 20:09:05,519 INFO L130 BoogieDeclarations]: Found specification of procedure serial_pci_driver_init [2019-11-06 20:09:05,519 INFO L130 BoogieDeclarations]: Found specification of procedure serial_pci_driver_exit [2019-11-06 20:09:05,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_2 [2019-11-06 20:09:05,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-11-06 20:09:05,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-11-06 20:09:05,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_2 [2019-11-06 20:09:05,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_suspend_2 [2019-11-06 20:09:05,521 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 20:09:05,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2019-11-06 20:09:05,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2019-11-06 20:09:05,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2019-11-06 20:09:05,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2019-11-06 20:09:05,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2019-11-06 20:09:05,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2019-11-06 20:09:05,522 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-11-06 20:09:05,523 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-11-06 20:09:05,523 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-06 20:09:05,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 20:09:05,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-06 20:09:05,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-06 20:09:05,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 20:09:05,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-06 20:09:05,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-06 20:09:05,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-11-06 20:09:05,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-11-06 20:09:07,202 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-11-06 20:09:16,446 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 20:09:16,446 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-11-06 20:09:16,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 08:09:16 BoogieIcfgContainer [2019-11-06 20:09:16,449 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 20:09:16,450 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 20:09:16,450 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 20:09:16,456 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 20:09:16,457 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 08:09:01" (1/3) ... [2019-11-06 20:09:16,457 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14b60b73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 08:09:16, skipping insertion in model container [2019-11-06 20:09:16,459 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:09:04" (2/3) ... [2019-11-06 20:09:16,459 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14b60b73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 08:09:16, skipping insertion in model container [2019-11-06 20:09:16,459 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 08:09:16" (3/3) ... [2019-11-06 20:09:16,463 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 [2019-11-06 20:09:16,474 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 20:09:16,488 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 20:09:16,513 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 20:09:16,553 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 20:09:16,553 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 20:09:16,553 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 20:09:16,553 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 20:09:16,554 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 20:09:16,554 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 20:09:16,554 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 20:09:16,554 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 20:09:16,611 INFO L276 IsEmpty]: Start isEmpty. Operand 1595 states. [2019-11-06 20:09:16,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-11-06 20:09:16,650 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 20:09:16,651 INFO L410 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] [2019-11-06 20:09:16,654 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 20:09:16,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 20:09:16,658 INFO L82 PathProgramCache]: Analyzing trace with hash 25341895, now seen corresponding path program 1 times [2019-11-06 20:09:16,665 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 20:09:16,665 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166107471] [2019-11-06 20:09:16,665 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 20:09:17,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:19,617 WARN L191 SmtUtils]: Spent 1.82 s on a formula simplification that was a NOOP. DAG size: 496 [2019-11-06 20:09:19,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:19,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:19,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:20,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:20,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:20,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:20,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:20,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:20,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:20,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:20,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:20,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:20,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:20,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:20,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:20,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:20,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:20,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:20,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:20,370 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2019-11-06 20:09:20,370 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166107471] [2019-11-06 20:09:20,371 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 20:09:20,372 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-06 20:09:20,372 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959022407] [2019-11-06 20:09:20,380 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-06 20:09:20,380 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 20:09:20,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-06 20:09:20,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-06 20:09:20,397 INFO L87 Difference]: Start difference. First operand 1595 states. Second operand 6 states. [2019-11-06 20:09:22,234 WARN L191 SmtUtils]: Spent 1.79 s on a formula simplification that was a NOOP. DAG size: 505 [2019-11-06 20:09:27,449 WARN L191 SmtUtils]: Spent 1.73 s on a formula simplification that was a NOOP. DAG size: 507 [2019-11-06 20:09:29,230 WARN L191 SmtUtils]: Spent 1.61 s on a formula simplification that was a NOOP. DAG size: 498