/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--smsc--smsc9420.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 21:13:56,300 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 21:13:56,303 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 21:13:56,342 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 21:13:56,343 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 21:13:56,345 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 21:13:56,347 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 21:13:56,374 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 21:13:56,382 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 21:13:56,386 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 21:13:56,388 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 21:13:56,393 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 21:13:56,396 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 21:13:56,399 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 21:13:56,402 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 21:13:56,407 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 21:13:56,409 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 21:13:56,410 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 21:13:56,415 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 21:13:56,422 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 21:13:56,426 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 21:13:56,428 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 21:13:56,430 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 21:13:56,433 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 21:13:56,443 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 21:13:56,444 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 21:13:56,444 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 21:13:56,447 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 21:13:56,448 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 21:13:56,449 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 21:13:56,449 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 21:13:56,450 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 21:13:56,452 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 21:13:56,453 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 21:13:56,454 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 21:13:56,454 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 21:13:56,455 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 21:13:56,456 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 21:13:56,456 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 21:13:56,457 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 21:13:56,459 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 21:13:56,460 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-15 21:13:56,525 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 21:13:56,525 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 21:13:56,527 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 21:13:56,527 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 21:13:56,529 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 21:13:56,530 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 21:13:56,533 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 21:13:56,533 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 21:13:56,534 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 21:13:56,534 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 21:13:56,536 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 21:13:56,536 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 21:13:56,536 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 21:13:56,536 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 21:13:56,537 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 21:13:56,537 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 21:13:56,537 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 21:13:56,537 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 21:13:56,538 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 21:13:56,538 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 21:13:56,539 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 21:13:56,539 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 21:13:56,539 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 21:13:56,539 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 21:13:56,540 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 21:13:56,540 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 21:13:56,540 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:13:56,541 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 21:13:56,541 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 21:13:56,541 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 21:13:56,541 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 21:13:56,542 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 21:13:56,542 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 21:13:56,542 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 21:13:57,015 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 21:13:57,054 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 21:13:57,057 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 21:13:57,059 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 21:13:57,060 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 21:13:57,062 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--smsc--smsc9420.ko-entry_point.cil.out.i [2022-10-15 21:13:57,158 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54b10fd4c/82e9e261edac4f73851288d175218b6d/FLAG084ee33f8 [2022-10-15 21:13:58,415 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 21:13:58,416 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--smsc--smsc9420.ko-entry_point.cil.out.i [2022-10-15 21:13:58,489 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54b10fd4c/82e9e261edac4f73851288d175218b6d/FLAG084ee33f8 [2022-10-15 21:13:58,597 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54b10fd4c/82e9e261edac4f73851288d175218b6d [2022-10-15 21:13:58,601 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 21:13:58,607 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 21:13:58,609 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 21:13:58,609 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 21:13:58,615 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 21:13:58,616 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:13:58" (1/1) ... [2022-10-15 21:13:58,617 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73b7e0a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:13:58, skipping insertion in model container [2022-10-15 21:13:58,618 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:13:58" (1/1) ... [2022-10-15 21:13:58,628 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 21:13:58,812 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 21:14:00,036 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--smsc--smsc9420.ko-entry_point.cil.out.i[172824,172837] [2022-10-15 21:14:01,309 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:14:01,349 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 21:14:01,576 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--smsc--smsc9420.ko-entry_point.cil.out.i[172824,172837] [2022-10-15 21:14:01,894 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:14:02,128 INFO L208 MainTranslator]: Completed translation [2022-10-15 21:14:02,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:14:02 WrapperNode [2022-10-15 21:14:02,129 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 21:14:02,130 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 21:14:02,130 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 21:14:02,130 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 21:14:02,139 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:14:02" (1/1) ... [2022-10-15 21:14:02,270 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:14:02" (1/1) ... [2022-10-15 21:14:02,500 INFO L138 Inliner]: procedures = 310, calls = 1780, calls flagged for inlining = 174, calls inlined = 157, statements flattened = 5152 [2022-10-15 21:14:02,501 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 21:14:02,502 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 21:14:02,503 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 21:14:02,503 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 21:14:02,514 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:14:02" (1/1) ... [2022-10-15 21:14:02,514 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:14:02" (1/1) ... [2022-10-15 21:14:02,559 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:14:02" (1/1) ... [2022-10-15 21:14:02,560 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:14:02" (1/1) ... [2022-10-15 21:14:02,697 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:14:02" (1/1) ... [2022-10-15 21:14:02,722 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:14:02" (1/1) ... [2022-10-15 21:14:02,753 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:14:02" (1/1) ... [2022-10-15 21:14:02,771 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:14:02" (1/1) ... [2022-10-15 21:14:02,806 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 21:14:02,807 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 21:14:02,808 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 21:14:02,808 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 21:14:02,809 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:14:02" (1/1) ... [2022-10-15 21:14:02,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:14:02,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:14:02,855 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-15 21:14:02,871 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-15 21:14:02,921 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-10-15 21:14:02,922 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-10-15 21:14:02,922 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2022-10-15 21:14:02,922 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2022-10-15 21:14:02,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-15 21:14:02,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-15 21:14:02,922 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-10-15 21:14:02,923 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-10-15 21:14:02,923 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_dmac_soft_reset [2022-10-15 21:14:02,923 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_dmac_soft_reset [2022-10-15 21:14:02,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-15 21:14:02,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-15 21:14:02,923 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_unregister [2022-10-15 21:14:02,923 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_unregister [2022-10-15 21:14:02,924 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-10-15 21:14:02,924 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-10-15 21:14:02,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-15 21:14:02,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-15 21:14:02,924 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_remove [2022-10-15 21:14:02,924 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_remove [2022-10-15 21:14:02,925 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-10-15 21:14:02,925 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_eeprom_send_cmd [2022-10-15 21:14:02,925 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_eeprom_send_cmd [2022-10-15 21:14:02,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2022-10-15 21:14:02,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2022-10-15 21:14:02,925 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-10-15 21:14:02,926 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-10-15 21:14:02,926 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_free_rx_ring [2022-10-15 21:14:02,926 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_free_rx_ring [2022-10-15 21:14:02,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-15 21:14:02,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-15 21:14:02,926 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-10-15 21:14:02,927 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-10-15 21:14:02,927 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-10-15 21:14:02,927 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-10-15 21:14:02,927 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-10-15 21:14:02,927 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-10-15 21:14:02,927 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-15 21:14:02,927 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-15 21:14:02,927 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_reg_read [2022-10-15 21:14:02,928 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_reg_read [2022-10-15 21:14:02,928 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-15 21:14:02,928 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-15 21:14:02,928 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_set_mac_address [2022-10-15 21:14:02,928 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_set_mac_address [2022-10-15 21:14:02,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-15 21:14:02,929 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_get_stats [2022-10-15 21:14:02,929 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_get_stats [2022-10-15 21:14:02,929 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-10-15 21:14:02,929 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-10-15 21:14:02,930 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-10-15 21:14:02,930 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-10-15 21:14:02,931 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2022-10-15 21:14:02,931 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2022-10-15 21:14:02,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-15 21:14:02,932 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-10-15 21:14:02,932 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-10-15 21:14:02,932 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-10-15 21:14:02,932 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-10-15 21:14:02,932 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-10-15 21:14:02,932 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-10-15 21:14:02,933 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-10-15 21:14:02,933 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-10-15 21:14:02,933 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2022-10-15 21:14:02,933 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_open [2022-10-15 21:14:02,933 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_open [2022-10-15 21:14:02,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-10-15 21:14:02,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-10-15 21:14:02,934 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-15 21:14:02,935 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-15 21:14:02,935 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-10-15 21:14:02,935 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-10-15 21:14:02,936 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-10-15 21:14:02,936 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-10-15 21:14:02,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-15 21:14:02,936 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-10-15 21:14:02,937 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-10-15 21:14:02,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-15 21:14:02,938 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-10-15 21:14:02,938 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-10-15 21:14:02,938 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-10-15 21:14:02,938 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-10-15 21:14:02,938 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-10-15 21:14:02,938 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-10-15 21:14:02,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-15 21:14:02,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-10-15 21:14:02,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-10-15 21:14:02,939 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-10-15 21:14:02,939 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-10-15 21:14:02,940 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-10-15 21:14:02,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-10-15 21:14:02,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-15 21:14:02,940 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_eeprom_enable_access [2022-10-15 21:14:02,941 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_eeprom_enable_access [2022-10-15 21:14:02,941 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2022-10-15 21:14:02,942 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2022-10-15 21:14:02,942 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_reg_write [2022-10-15 21:14:02,943 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_reg_write [2022-10-15 21:14:02,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-15 21:14:02,943 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-10-15 21:14:02,943 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-10-15 21:14:02,943 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-10-15 21:14:02,943 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-10-15 21:14:02,943 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-10-15 21:14:02,944 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-10-15 21:14:02,944 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2022-10-15 21:14:02,944 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2022-10-15 21:14:02,944 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-10-15 21:14:02,944 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-10-15 21:14:02,944 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-15 21:14:02,945 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-15 21:14:02,945 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-10-15 21:14:02,945 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-10-15 21:14:02,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-15 21:14:02,945 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-10-15 21:14:02,945 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-10-15 21:14:02,945 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2022-10-15 21:14:02,945 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2022-10-15 21:14:02,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-15 21:14:02,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-15 21:14:02,946 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_set_multicast_list [2022-10-15 21:14:02,948 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_set_multicast_list [2022-10-15 21:14:02,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-15 21:14:02,949 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-10-15 21:14:02,952 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-10-15 21:14:02,957 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-10-15 21:14:02,957 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-10-15 21:14:02,957 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_alloc_rx_buffer [2022-10-15 21:14:02,957 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_alloc_rx_buffer [2022-10-15 21:14:02,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 21:14:02,959 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-10-15 21:14:02,959 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-10-15 21:14:02,960 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_stop_rx [2022-10-15 21:14:02,960 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_stop_rx [2022-10-15 21:14:02,960 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-10-15 21:14:02,960 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-10-15 21:14:02,960 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-10-15 21:14:02,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-10-15 21:14:02,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-15 21:14:02,960 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-10-15 21:14:02,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-10-15 21:14:02,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-10-15 21:14:02,961 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-10-15 21:14:02,961 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-10-15 21:14:02,961 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_isr [2022-10-15 21:14:02,961 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_isr [2022-10-15 21:14:02,961 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_disable [2022-10-15 21:14:02,961 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_disable [2022-10-15 21:14:02,961 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_do_ioctl [2022-10-15 21:14:02,961 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_do_ioctl [2022-10-15 21:14:02,962 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_poll_controller [2022-10-15 21:14:02,962 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_poll_controller [2022-10-15 21:14:02,962 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-10-15 21:14:02,962 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-10-15 21:14:02,962 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-10-15 21:14:02,962 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-10-15 21:14:02,962 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-10-15 21:14:02,962 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-10-15 21:14:02,962 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_stop_tx [2022-10-15 21:14:02,963 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_stop_tx [2022-10-15 21:14:02,963 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-10-15 21:14:02,963 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-10-15 21:14:02,963 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-10-15 21:14:02,963 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-10-15 21:14:02,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 21:14:02,963 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_free_tx_ring [2022-10-15 21:14:02,963 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_free_tx_ring [2022-10-15 21:14:02,963 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2022-10-15 21:14:02,964 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2022-10-15 21:14:02,964 INFO L130 BoogieDeclarations]: Found specification of procedure smsc9420_pci_flush_write [2022-10-15 21:14:02,964 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc9420_pci_flush_write [2022-10-15 21:14:02,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 21:14:02,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 21:14:02,964 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-10-15 21:14:02,964 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-10-15 21:14:03,987 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 21:14:03,993 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 21:14:04,457 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-15 21:14:09,174 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 21:14:09,212 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 21:14:09,212 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-15 21:14:09,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:14:09 BoogieIcfgContainer [2022-10-15 21:14:09,219 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 21:14:09,223 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 21:14:09,223 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 21:14:09,227 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 21:14:09,228 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 09:13:58" (1/3) ... [2022-10-15 21:14:09,229 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31dd8bde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:14:09, skipping insertion in model container [2022-10-15 21:14:09,230 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:14:02" (2/3) ... [2022-10-15 21:14:09,230 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31dd8bde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:14:09, skipping insertion in model container [2022-10-15 21:14:09,230 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:14:09" (3/3) ... [2022-10-15 21:14:09,234 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--smsc--smsc9420.ko-entry_point.cil.out.i [2022-10-15 21:14:09,263 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 21:14:09,263 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 66 error locations. [2022-10-15 21:14:09,416 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 21:14:09,424 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@46e28e33, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 21:14:09,424 INFO L358 AbstractCegarLoop]: Starting to check reachability of 66 error locations. [2022-10-15 21:14:09,438 INFO L276 IsEmpty]: Start isEmpty. Operand has 1917 states, 1358 states have (on average 1.458762886597938) internal successors, (1981), 1450 states have internal predecessors, (1981), 415 states have call successors, (415), 78 states have call predecessors, (415), 77 states have return successors, (408), 405 states have call predecessors, (408), 408 states have call successors, (408) [2022-10-15 21:14:09,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-15 21:14:09,457 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:14:09,458 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:14:09,459 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [smsc9420_stop_rxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, smsc9420_stop_rxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, smsc9420_openErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 63 more)] === [2022-10-15 21:14:09,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:14:09,466 INFO L85 PathProgramCache]: Analyzing trace with hash 1931240625, now seen corresponding path program 1 times [2022-10-15 21:14:09,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:14:09,478 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670736087] [2022-10-15 21:14:09,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:14:09,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:14:10,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:11,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:14:11,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:11,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 21:14:11,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:11,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 21:14:11,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:11,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-15 21:14:11,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:11,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-15 21:14:11,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:11,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-15 21:14:11,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:11,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-15 21:14:11,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:11,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-15 21:14:11,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:11,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-15 21:14:11,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:11,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-15 21:14:11,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:11,382 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2022-10-15 21:14:11,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:14:11,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670736087] [2022-10-15 21:14:11,385 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670736087] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:14:11,385 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:14:11,385 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:14:11,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302399975] [2022-10-15 21:14:11,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:14:11,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:14:11,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:14:11,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:14:11,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:14:11,462 INFO L87 Difference]: Start difference. First operand has 1917 states, 1358 states have (on average 1.458762886597938) internal successors, (1981), 1450 states have internal predecessors, (1981), 415 states have call successors, (415), 78 states have call predecessors, (415), 77 states have return successors, (408), 405 states have call predecessors, (408), 408 states have call successors, (408) Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-10-15 21:14:18,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:14:18,034 INFO L93 Difference]: Finished difference Result 4610 states and 6941 transitions. [2022-10-15 21:14:18,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:14:18,038 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 77 [2022-10-15 21:14:18,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:14:18,110 INFO L225 Difference]: With dead ends: 4610 [2022-10-15 21:14:18,111 INFO L226 Difference]: Without dead ends: 2624 [2022-10-15 21:14:18,140 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-10-15 21:14:18,149 INFO L413 NwaCegarLoop]: 3214 mSDtfsCounter, 3784 mSDsluCounter, 3308 mSDsCounter, 0 mSdLazyCounter, 2168 mSolverCounterSat, 1211 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4057 SdHoareTripleChecker+Valid, 6522 SdHoareTripleChecker+Invalid, 3379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1211 IncrementalHoareTripleChecker+Valid, 2168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-10-15 21:14:18,157 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4057 Valid, 6522 Invalid, 3379 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1211 Valid, 2168 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2022-10-15 21:14:18,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2624 states. [2022-10-15 21:14:18,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2624 to 1852. [2022-10-15 21:14:18,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1852 states, 1316 states have (on average 1.3411854103343466) internal successors, (1765), 1386 states have internal predecessors, (1765), 407 states have call successors, (407), 76 states have call predecessors, (407), 76 states have return successors, (407), 404 states have call predecessors, (407), 407 states have call successors, (407) [2022-10-15 21:14:18,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1852 states to 1852 states and 2579 transitions. [2022-10-15 21:14:18,504 INFO L78 Accepts]: Start accepts. Automaton has 1852 states and 2579 transitions. Word has length 77 [2022-10-15 21:14:18,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:14:18,506 INFO L495 AbstractCegarLoop]: Abstraction has 1852 states and 2579 transitions. [2022-10-15 21:14:18,506 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-10-15 21:14:18,506 INFO L276 IsEmpty]: Start isEmpty. Operand 1852 states and 2579 transitions. [2022-10-15 21:14:18,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-15 21:14:18,559 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:14:18,560 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:14:18,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 21:14:18,561 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [smsc9420_stop_rxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, smsc9420_stop_rxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, smsc9420_openErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 63 more)] === [2022-10-15 21:14:18,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:14:18,563 INFO L85 PathProgramCache]: Analyzing trace with hash 1243755754, now seen corresponding path program 1 times [2022-10-15 21:14:18,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:14:18,563 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822948979] [2022-10-15 21:14:18,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:14:18,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:14:18,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:18,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:14:18,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:18,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 21:14:18,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:18,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 21:14:18,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:18,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-15 21:14:18,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:18,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-15 21:14:18,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:18,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-15 21:14:18,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:18,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-15 21:14:18,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:18,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-15 21:14:18,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:18,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-15 21:14:18,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:18,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-15 21:14:18,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:18,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-10-15 21:14:18,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:18,984 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2022-10-15 21:14:18,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:14:18,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822948979] [2022-10-15 21:14:18,985 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822948979] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:14:18,986 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:14:18,986 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:14:18,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48090979] [2022-10-15 21:14:18,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:14:18,988 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:14:18,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:14:18,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:14:18,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:14:18,990 INFO L87 Difference]: Start difference. First operand 1852 states and 2579 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-10-15 21:14:25,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:14:25,485 INFO L93 Difference]: Finished difference Result 5281 states and 7370 transitions. [2022-10-15 21:14:25,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:14:25,486 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 87 [2022-10-15 21:14:25,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:14:25,519 INFO L225 Difference]: With dead ends: 5281 [2022-10-15 21:14:25,519 INFO L226 Difference]: Without dead ends: 3455 [2022-10-15 21:14:25,534 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:14:25,536 INFO L413 NwaCegarLoop]: 2707 mSDtfsCounter, 2777 mSDsluCounter, 2506 mSDsCounter, 0 mSdLazyCounter, 2096 mSolverCounterSat, 1073 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3095 SdHoareTripleChecker+Valid, 5213 SdHoareTripleChecker+Invalid, 3169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1073 IncrementalHoareTripleChecker+Valid, 2096 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2022-10-15 21:14:25,537 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3095 Valid, 5213 Invalid, 3169 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1073 Valid, 2096 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2022-10-15 21:14:25,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3455 states. [2022-10-15 21:14:25,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3455 to 3219. [2022-10-15 21:14:25,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3219 states, 2311 states have (on average 1.3414106447425358) internal successors, (3100), 2403 states have internal predecessors, (3100), 711 states have call successors, (711), 144 states have call predecessors, (711), 144 states have return successors, (713), 700 states have call predecessors, (713), 711 states have call successors, (713) [2022-10-15 21:14:25,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3219 states to 3219 states and 4524 transitions. [2022-10-15 21:14:25,822 INFO L78 Accepts]: Start accepts. Automaton has 3219 states and 4524 transitions. Word has length 87 [2022-10-15 21:14:25,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:14:25,823 INFO L495 AbstractCegarLoop]: Abstraction has 3219 states and 4524 transitions. [2022-10-15 21:14:25,823 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-10-15 21:14:25,823 INFO L276 IsEmpty]: Start isEmpty. Operand 3219 states and 4524 transitions. [2022-10-15 21:14:25,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-15 21:14:25,827 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:14:25,827 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:14:25,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 21:14:25,828 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [smsc9420_stop_rxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, smsc9420_stop_rxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, smsc9420_openErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 63 more)] === [2022-10-15 21:14:25,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:14:25,829 INFO L85 PathProgramCache]: Analyzing trace with hash 1549282724, now seen corresponding path program 1 times [2022-10-15 21:14:25,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:14:25,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504324860] [2022-10-15 21:14:25,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:14:25,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:14:25,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:26,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:14:26,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:26,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 21:14:26,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:26,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 21:14:26,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:26,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-15 21:14:26,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:26,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-15 21:14:26,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:26,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-15 21:14:26,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:26,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-15 21:14:26,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:26,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-15 21:14:26,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:26,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-15 21:14:26,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:26,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-15 21:14:26,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:26,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-10-15 21:14:26,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:26,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:14:26,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:26,335 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2022-10-15 21:14:26,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:14:26,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504324860] [2022-10-15 21:14:26,336 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [504324860] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:14:26,336 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:14:26,337 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:14:26,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973829201] [2022-10-15 21:14:26,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:14:26,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:14:26,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:14:26,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:14:26,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:14:26,339 INFO L87 Difference]: Start difference. First operand 3219 states and 4524 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-10-15 21:14:36,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:14:36,621 INFO L93 Difference]: Finished difference Result 8563 states and 12045 transitions. [2022-10-15 21:14:36,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-15 21:14:36,622 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 91 [2022-10-15 21:14:36,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:14:36,666 INFO L225 Difference]: With dead ends: 8563 [2022-10-15 21:14:36,666 INFO L226 Difference]: Without dead ends: 5370 [2022-10-15 21:14:36,684 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-15 21:14:36,685 INFO L413 NwaCegarLoop]: 3559 mSDtfsCounter, 3616 mSDsluCounter, 2380 mSDsCounter, 0 mSdLazyCounter, 4391 mSolverCounterSat, 2080 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3885 SdHoareTripleChecker+Valid, 5939 SdHoareTripleChecker+Invalid, 6471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2080 IncrementalHoareTripleChecker+Valid, 4391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2022-10-15 21:14:36,686 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3885 Valid, 5939 Invalid, 6471 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2080 Valid, 4391 Invalid, 0 Unknown, 0 Unchecked, 9.5s Time] [2022-10-15 21:14:36,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5370 states. [2022-10-15 21:14:37,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5370 to 5043. [2022-10-15 21:14:37,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5043 states, 3663 states have (on average 1.3456183456183457) internal successors, (4929), 3769 states have internal predecessors, (4929), 1095 states have call successors, (1095), 231 states have call predecessors, (1095), 232 states have return successors, (1099), 1081 states have call predecessors, (1099), 1095 states have call successors, (1099) [2022-10-15 21:14:37,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5043 states to 5043 states and 7123 transitions. [2022-10-15 21:14:37,166 INFO L78 Accepts]: Start accepts. Automaton has 5043 states and 7123 transitions. Word has length 91 [2022-10-15 21:14:37,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:14:37,167 INFO L495 AbstractCegarLoop]: Abstraction has 5043 states and 7123 transitions. [2022-10-15 21:14:37,168 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-10-15 21:14:37,168 INFO L276 IsEmpty]: Start isEmpty. Operand 5043 states and 7123 transitions. [2022-10-15 21:14:37,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-10-15 21:14:37,176 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:14:37,176 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 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, 1, 1] [2022-10-15 21:14:37,176 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 21:14:37,177 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [smsc9420_stop_rxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, smsc9420_stop_rxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, smsc9420_openErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 63 more)] === [2022-10-15 21:14:37,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:14:37,177 INFO L85 PathProgramCache]: Analyzing trace with hash 1022867527, now seen corresponding path program 1 times [2022-10-15 21:14:37,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:14:37,178 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047224470] [2022-10-15 21:14:37,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:14:37,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:14:37,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:37,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:14:37,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:37,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 21:14:37,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:37,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 21:14:37,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:37,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-15 21:14:37,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:37,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-15 21:14:37,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:37,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-15 21:14:37,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:37,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-15 21:14:37,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:37,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-15 21:14:37,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:37,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-15 21:14:37,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:37,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-15 21:14:37,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:37,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-10-15 21:14:37,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:37,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-10-15 21:14:37,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:37,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-10-15 21:14:37,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:37,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-10-15 21:14:37,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:37,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-10-15 21:14:37,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:37,654 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2022-10-15 21:14:37,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:14:37,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047224470] [2022-10-15 21:14:37,655 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047224470] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:14:37,655 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:14:37,655 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:14:37,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405594283] [2022-10-15 21:14:37,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:14:37,657 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:14:37,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:14:37,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:14:37,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:14:37,658 INFO L87 Difference]: Start difference. First operand 5043 states and 7123 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-10-15 21:14:44,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:14:44,202 INFO L93 Difference]: Finished difference Result 14775 states and 20849 transitions. [2022-10-15 21:14:44,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:14:44,202 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 115 [2022-10-15 21:14:44,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:14:44,275 INFO L225 Difference]: With dead ends: 14775 [2022-10-15 21:14:44,276 INFO L226 Difference]: Without dead ends: 9779 [2022-10-15 21:14:44,303 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:14:44,304 INFO L413 NwaCegarLoop]: 3385 mSDtfsCounter, 2932 mSDsluCounter, 2941 mSDsCounter, 0 mSdLazyCounter, 2225 mSolverCounterSat, 993 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3294 SdHoareTripleChecker+Valid, 6326 SdHoareTripleChecker+Invalid, 3218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 993 IncrementalHoareTripleChecker+Valid, 2225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-10-15 21:14:44,305 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3294 Valid, 6326 Invalid, 3218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [993 Valid, 2225 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2022-10-15 21:14:44,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9779 states.